diff options
Diffstat (limited to 'arch/microblaze/include')
129 files changed, 3835 insertions, 3430 deletions
diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild index 31820dfef56..35b3ecaf25d 100644 --- a/arch/microblaze/include/asm/Kbuild +++ b/arch/microblaze/include/asm/Kbuild @@ -1,26 +1,11 @@ -include include/asm-generic/Kbuild.asm -header-y += auxvec.h -header-y += errno.h -header-y += fcntl.h -header-y += ioctl.h -header-y += ioctls.h -header-y += ipcbuf.h -header-y += linkage.h -header-y += msgbuf.h -header-y += poll.h -header-y += resource.h -header-y += sembuf.h -header-y += shmbuf.h -header-y += sigcontext.h -header-y += siginfo.h -header-y += socket.h -header-y += sockios.h -header-y += statfs.h -header-y += stat.h -header-y += termbits.h -header-y += ucontext.h - -unifdef-y += cputable.h -unifdef-y += elf.h -unifdef-y += termios.h +generic-y += barrier.h +generic-y += clkdev.h +generic-y += cputime.h +generic-y += device.h +generic-y += exec.h +generic-y += hash.h +generic-y += mcs_spinlock.h +generic-y += preempt.h +generic-y += syscalls.h +generic-y += trace_clock.h diff --git a/arch/microblaze/include/asm/asm-compat.h b/arch/microblaze/include/asm/asm-compat.h new file mode 100644 index 00000000000..e7bc9dc11b5 --- /dev/null +++ b/arch/microblaze/include/asm/asm-compat.h @@ -0,0 +1,17 @@ +#ifndef _ASM_MICROBLAZE_ASM_COMPAT_H +#define _ASM_MICROBLAZE_ASM_COMPAT_H + +#include <asm/types.h> + +#ifdef __ASSEMBLY__ +# define stringify_in_c(...) __VA_ARGS__ +# define ASM_CONST(x) x +#else +/* This version of stringify will deal with commas... */ +# define __stringify_in_c(...) #__VA_ARGS__ +# define stringify_in_c(...) __stringify_in_c(__VA_ARGS__) " " +# define __ASM_CONST(x) x##UL +# define ASM_CONST(x) __ASM_CONST(x) +#endif + +#endif /* _ASM_MICROBLAZE_ASM_COMPAT_H */ diff --git a/arch/microblaze/include/asm/asm-offsets.h b/arch/microblaze/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/microblaze/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/microblaze/include/asm/atomic.h b/arch/microblaze/include/asm/atomic.h index a448d94ab72..42ac382a09d 100644 --- a/arch/microblaze/include/asm/atomic.h +++ b/arch/microblaze/include/asm/atomic.h @@ -1,95 +1,9 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - #ifndef _ASM_MICROBLAZE_ATOMIC_H #define _ASM_MICROBLAZE_ATOMIC_H -#include <linux/types.h> -#include <linux/compiler.h> /* likely */ -#include <asm/system.h> /* local_irq_XXX and friends */ - -#define ATOMIC_INIT(i) { (i) } -#define atomic_read(v) ((v)->counter) -#define atomic_set(v, i) (((v)->counter) = (i)) - -#define atomic_inc(v) (atomic_add_return(1, (v))) -#define atomic_dec(v) (atomic_sub_return(1, (v))) - -#define atomic_add(i, v) (atomic_add_return(i, (v))) -#define atomic_sub(i, v) (atomic_sub_return(i, (v))) - -#define atomic_inc_return(v) (atomic_add_return(1, (v))) -#define atomic_dec_return(v) (atomic_sub_return(1, (v))) - -#define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0) -#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) - -#define atomic_inc_not_zero(v) (atomic_add_unless((v), 1, 0)) - -#define atomic_sub_and_test(i, v) (atomic_sub_return((i), (v)) == 0) - -static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -{ - int ret; - unsigned long flags; - - local_irq_save(flags); - ret = v->counter; - if (likely(ret == old)) - v->counter = new; - local_irq_restore(flags); - - return ret; -} - -static inline int atomic_add_unless(atomic_t *v, int a, int u) -{ - int c, old; - - c = atomic_read(v); - while (c != u && (old = atomic_cmpxchg((v), c, c + a)) != c) - c = old; - return c != u; -} - -static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) -{ - unsigned long flags; - - local_irq_save(flags); - *addr &= ~mask; - local_irq_restore(flags); -} - -/** - * atomic_add_return - add and return - * @i: integer value to add - * @v: pointer of type atomic_t - * - * Atomically adds @i to @v and returns @i + @v - */ -static inline int atomic_add_return(int i, atomic_t *v) -{ - unsigned long flags; - int val; - - local_irq_save(flags); - val = v->counter; - v->counter = val += i; - local_irq_restore(flags); - - return val; -} - -static inline int atomic_sub_return(int i, atomic_t *v) -{ - return atomic_add_return(-i, v); -} +#include <asm/cmpxchg.h> +#include <asm-generic/atomic.h> +#include <asm-generic/atomic64.h> /* * Atomically test *v and decrement if it is greater than 0. @@ -108,16 +22,6 @@ static inline int atomic_dec_if_positive(atomic_t *v) return res; } - -#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) - -/* Atomic operations are already serializing */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - -#include <asm-generic/atomic.h> +#define atomic_dec_if_positive atomic_dec_if_positive #endif /* _ASM_MICROBLAZE_ATOMIC_H */ diff --git a/arch/microblaze/include/asm/bitops.h b/arch/microblaze/include/asm/bitops.h index d6df1fd4e1e..a72468f15c8 100644 --- a/arch/microblaze/include/asm/bitops.h +++ b/arch/microblaze/include/asm/bitops.h @@ -1,27 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_BITOPS_H -#define _ASM_MICROBLAZE_BITOPS_H - -/* - * Copyright 1992, Linus Torvalds. - */ - -#include <asm/byteorder.h> /* swab32 */ -#include <asm/system.h> /* save_flags */ - -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() #include <asm-generic/bitops.h> -#include <asm-generic/bitops/__fls.h> - -#endif /* _ASM_MICROBLAZE_BITOPS_H */ diff --git a/arch/microblaze/include/asm/bug.h b/arch/microblaze/include/asm/bug.h index 8eb2cdde11d..b12fd89e42e 100644 --- a/arch/microblaze/include/asm/bug.h +++ b/arch/microblaze/include/asm/bug.h @@ -1,15 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_BUG_H -#define _ASM_MICROBLAZE_BUG_H - -#include <linux/kernel.h> #include <asm-generic/bug.h> - -#endif /* _ASM_MICROBLAZE_BUG_H */ diff --git a/arch/microblaze/include/asm/bugs.h b/arch/microblaze/include/asm/bugs.h index f2c6593653f..61791e1ad9f 100644 --- a/arch/microblaze/include/asm/bugs.h +++ b/arch/microblaze/include/asm/bugs.h @@ -1,17 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_BUGS_H -#define _ASM_MICROBLAZE_BUGS_H - -static inline void check_bugs(void) -{ - /* nothing to do */ -} - -#endif /* _ASM_MICROBLAZE_BUGS_H */ +#include <asm-generic/bugs.h> diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h index c209c47509d..4efe96a036f 100644 --- a/arch/microblaze/include/asm/cache.h +++ b/arch/microblaze/include/asm/cache.h @@ -15,26 +15,10 @@ #include <asm/registers.h> -#define L1_CACHE_SHIFT 2 +#define L1_CACHE_SHIFT 5 /* word-granular cache in microblaze */ #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) #define SMP_CACHE_BYTES L1_CACHE_BYTES -void _enable_icache(void); -void _disable_icache(void); -void _invalidate_icache(unsigned int addr); - -#define __enable_icache() _enable_icache() -#define __disable_icache() _disable_icache() -#define __invalidate_icache(addr) _invalidate_icache(addr) - -void _enable_dcache(void); -void _disable_dcache(void); -void _invalidate_dcache(unsigned int addr); - -#define __enable_dcache() _enable_dcache() -#define __disable_dcache() _disable_dcache() -#define __invalidate_dcache(addr) _invalidate_dcache(addr) - #endif /* _ASM_MICROBLAZE_CACHE_H */ diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h index 3300b785049..ffea82a16d2 100644 --- a/arch/microblaze/include/asm/cacheflush.h +++ b/arch/microblaze/include/asm/cacheflush.h @@ -1,5 +1,6 @@ /* - * Copyright (C) 2007 PetaLogix + * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2007-2009 PetaLogix * Copyright (C) 2007 John Williams <john.williams@petalogix.com> * based on v850 version which was * Copyright (C) 2001,02,03 NEC Electronics Corporation @@ -16,6 +17,9 @@ /* Somebody depends on this; sigh... */ #include <linux/mm.h> +#include <linux/io.h> + +/* Look at Documentation/cachetlb.txt */ /* * Cache handling functions. @@ -26,60 +30,95 @@ * instruction cache to make sure we don't fetch old, bad code. */ +/* struct cache, d=dcache, i=icache, fl = flush, iv = invalidate, + * suffix r = range */ +struct scache { + /* icache */ + void (*ie)(void); /* enable */ + void (*id)(void); /* disable */ + void (*ifl)(void); /* flush */ + void (*iflr)(unsigned long a, unsigned long b); + void (*iin)(void); /* invalidate */ + void (*iinr)(unsigned long a, unsigned long b); + /* dcache */ + void (*de)(void); /* enable */ + void (*dd)(void); /* disable */ + void (*dfl)(void); /* flush */ + void (*dflr)(unsigned long a, unsigned long b); + void (*din)(void); /* invalidate */ + void (*dinr)(unsigned long a, unsigned long b); +}; + +/* microblaze cache */ +extern struct scache *mbc; + +void microblaze_cache_init(void); + +#define enable_icache() mbc->ie(); +#define disable_icache() mbc->id(); +#define flush_icache() mbc->ifl(); +#define flush_icache_range(start, end) mbc->iflr(start, end); +#define invalidate_icache() mbc->iin(); +#define invalidate_icache_range(start, end) mbc->iinr(start, end); + +#define flush_icache_user_range(vma, pg, adr, len) flush_icache(); +#define flush_icache_page(vma, pg) do { } while (0) + +#define enable_dcache() mbc->de(); +#define disable_dcache() mbc->dd(); /* FIXME for LL-temac driver */ -#define invalidate_dcache_range(start, end) \ - __invalidate_dcache_range(start, end) +#define invalidate_dcache() mbc->din(); +#define invalidate_dcache_range(start, end) mbc->dinr(start, end); +#define flush_dcache() mbc->dfl(); +#define flush_dcache_range(start, end) mbc->dflr(start, end); -#define flush_cache_all() __invalidate_cache_all() -#define flush_cache_mm(mm) do { } while (0) -#define flush_cache_range(vma, start, end) __invalidate_cache_all() -#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 +/* MS: We have to implement it because of rootfs-jffs2 issue on WB */ +#define flush_dcache_page(page) \ +do { \ + unsigned long addr = (unsigned long) page_address(page); /* virtual */ \ + addr = (u32)virt_to_phys((void *)addr); \ + flush_dcache_range((unsigned) (addr), (unsigned) (addr) + PAGE_SIZE); \ +} while (0); -#define flush_dcache_range(start, end) __invalidate_dcache_range(start, end) -#define flush_dcache_page(page) do { } while (0) #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) -#define flush_icache_range(start, len) __invalidate_icache_range(start, len) -#define flush_icache_page(vma, pg) do { } while (0) - -#define flush_cache_vmap(start, end) do { } while (0) -#define flush_cache_vunmap(start, end) do { } while (0) - -struct page; -struct mm_struct; -struct vm_area_struct; - -/* see arch/microblaze/kernel/cache.c */ -extern void __invalidate_icache_all(void); -extern void __invalidate_icache_range(unsigned long start, unsigned long end); -extern void __invalidate_icache_page(struct vm_area_struct *vma, - struct page *page); -extern void __invalidate_icache_user_range(struct vm_area_struct *vma, - struct page *page, - unsigned long adr, int len); -extern void __invalidate_cache_sigtramp(unsigned long addr); - -extern void __invalidate_dcache_all(void); -extern void __invalidate_dcache_range(unsigned long start, unsigned long end); -extern void __invalidate_dcache_page(struct vm_area_struct *vma, - struct page *page); -extern void __invalidate_dcache_user_range(struct vm_area_struct *vma, - struct page *page, - unsigned long adr, int len); - -extern inline void __invalidate_cache_all(void) -{ - __invalidate_icache_all(); - __invalidate_dcache_all(); +#define flush_cache_dup_mm(mm) do { } while (0) +#define flush_cache_vmap(start, end) do { } while (0) +#define flush_cache_vunmap(start, end) do { } while (0) +#define flush_cache_mm(mm) do { } while (0) + +#define flush_cache_page(vma, vmaddr, pfn) \ + flush_dcache_range(pfn << PAGE_SHIFT, (pfn << PAGE_SHIFT) + PAGE_SIZE); + +/* MS: kgdb code use this macro, wrong len with FLASH */ +#if 0 +#define flush_cache_range(vma, start, len) { \ + flush_icache_range((unsigned) (start), (unsigned) (start) + (len)); \ + flush_dcache_range((unsigned) (start), (unsigned) (start) + (len)); \ } +#endif + +#define flush_cache_range(vma, start, len) do { } while (0) -#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ -do { memcpy((dst), (src), (len)); \ - flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \ -} while (0) +static inline void copy_to_user_page(struct vm_area_struct *vma, + struct page *page, unsigned long vaddr, + void *dst, void *src, int len) +{ + u32 addr = virt_to_phys(dst); + memcpy(dst, src, len); + if (vma->vm_flags & VM_EXEC) { + invalidate_icache_range(addr, addr + PAGE_SIZE); + flush_dcache_range(addr, addr + PAGE_SIZE); + } +} -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ - memcpy((dst), (src), (len)) +static inline void copy_from_user_page(struct vm_area_struct *vma, + struct page *page, unsigned long vaddr, + void *dst, void *src, int len) +{ + memcpy(dst, src, len); +} #endif /* _ASM_MICROBLAZE_CACHEFLUSH_H */ diff --git a/arch/microblaze/include/asm/checksum.h b/arch/microblaze/include/asm/checksum.h index 92b30762ce5..0185cbefdda 100644 --- a/arch/microblaze/include/asm/checksum.h +++ b/arch/microblaze/include/asm/checksum.h @@ -10,12 +10,11 @@ #ifndef _ASM_MICROBLAZE_CHECKSUM_H #define _ASM_MICROBLAZE_CHECKSUM_H -#include <linux/in6.h> - /* * computes the checksum of the TCP/UDP pseudo-header * returns a 16-bit checksum, already complemented */ +#define csum_tcpudp_nofold csum_tcpudp_nofold static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, unsigned short proto, __wsum sum) @@ -25,74 +24,16 @@ csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, "addc %0, %0, %3\n\t" "addc %0, %0, r0\n\t" : "+&d" (sum) - : "d" (saddr), "d" (daddr), "d" (len + proto)); - + : "d" (saddr), "d" (daddr), +#ifdef __MICROBLAZEEL__ + "d" ((len + proto) << 8) +#else + "d" (len + proto) +#endif +); return sum; } -/* - * computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -extern __wsum csum_partial(const void *buff, int len, __wsum sum); - -/* - * the same as csum_partial, but copies from src while it - * checksums - * - * here even more important to align src and dst on a 32-bit (or even - * better 64-bit) boundary - */ -extern __wsum csum_partial_copy(const char *src, char *dst, int len, int sum); - -/* - * the same as csum_partial_copy, but copies from user space. - * - * here even more important to align src and dst on a 32-bit (or even - * better 64-bit) boundary - */ -extern __wsum csum_partial_copy_from_user(const char *src, char *dst, - int len, int sum, int *csum_err); - -#define csum_partial_copy_nocheck(src, dst, len, sum) \ - csum_partial_copy((src), (dst), (len), (sum)) - -/* - * This is a version of ip_compute_csum() optimized for IP headers, - * which always checksum on 4 octet boundaries. - * - */ -extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); - -/* - * Fold a partial checksum - */ -static inline __sum16 csum_fold(unsigned int sum) -{ - sum = (sum & 0xffff) + (sum >> 16); - sum = (sum & 0xffff) + (sum >> 16); - return ~sum; -} - -static inline __sum16 -csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len, - unsigned short proto, __wsum sum) -{ - return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum)); -} - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ -extern __sum16 ip_compute_csum(const unsigned char *buff, int len); +#include <asm-generic/checksum.h> #endif /* _ASM_MICROBLAZE_CHECKSUM_H */ diff --git a/arch/microblaze/include/asm/clinkage.h b/arch/microblaze/include/asm/clinkage.h deleted file mode 100644 index 9e218435a55..00000000000 --- a/arch/microblaze/include/asm/clinkage.h +++ /dev/null @@ -1 +0,0 @@ -#include <linux/linkage.h> diff --git a/arch/microblaze/include/asm/cmpxchg.h b/arch/microblaze/include/asm/cmpxchg.h new file mode 100644 index 00000000000..538afc0ab9f --- /dev/null +++ b/arch/microblaze/include/asm/cmpxchg.h @@ -0,0 +1,42 @@ +#ifndef _ASM_MICROBLAZE_CMPXCHG_H +#define _ASM_MICROBLAZE_CMPXCHG_H + +#include <linux/irqflags.h> + +void __bad_xchg(volatile void *ptr, int size); + +static inline unsigned long __xchg(unsigned long x, volatile void *ptr, + int size) +{ + unsigned long ret; + unsigned long flags; + + switch (size) { + case 1: + local_irq_save(flags); + ret = *(volatile unsigned char *)ptr; + *(volatile unsigned char *)ptr = x; + local_irq_restore(flags); + break; + + case 4: + local_irq_save(flags); + ret = *(volatile unsigned long *)ptr; + *(volatile unsigned long *)ptr = x; + local_irq_restore(flags); + break; + default: + __bad_xchg(ptr, size), ret = 0; + break; + } + + return ret; +} + +#define xchg(ptr, x) \ + ((__typeof__(*(ptr))) __xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))) + +#include <asm-generic/cmpxchg.h> +#include <asm-generic/cmpxchg-local.h> + +#endif /* _ASM_MICROBLAZE_CMPXCHG_H */ diff --git a/arch/microblaze/include/asm/cpuinfo.h b/arch/microblaze/include/asm/cpuinfo.h index 52f28f6dc4e..3337417fcdc 100644 --- a/arch/microblaze/include/asm/cpuinfo.h +++ b/arch/microblaze/include/asm/cpuinfo.h @@ -38,12 +38,14 @@ struct cpuinfo { u32 use_exc; u32 ver_code; u32 mmu; + u32 mmu_privins; + u32 endian; /* CPU caches */ u32 use_icache; u32 icache_tagbits; u32 icache_write; - u32 icache_line; + u32 icache_line_length; u32 icache_size; unsigned long icache_base; unsigned long icache_high; @@ -51,8 +53,9 @@ struct cpuinfo { u32 use_dcache; u32 dcache_tagbits; u32 dcache_write; - u32 dcache_line; + u32 dcache_line_length; u32 dcache_size; + u32 dcache_wb; unsigned long dcache_base; unsigned long dcache_high; @@ -75,7 +78,6 @@ struct cpuinfo { u32 num_rd_brk; u32 num_wr_brk; u32 cpu_clock_freq; /* store real freq of cpu */ - u32 freq_div_hz; /* store freq/HZ */ /* FPGA family */ u32 fpga_family_code; @@ -89,14 +91,18 @@ extern struct cpuinfo cpuinfo; /* fwd declarations of the various CPUinfo populators */ void setup_cpuinfo(void); +void setup_cpuinfo_clk(void); void set_cpuinfo_static(struct cpuinfo *ci, struct device_node *cpu); void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu); static inline unsigned int fcpu(struct device_node *cpu, char *n) { - int *val; - return (val = (int *) of_get_property(cpu, n, NULL)) ? *val : 0; + u32 val = 0; + + of_property_read_u32(cpu, n, &val); + + return val; } #endif /* _ASM_MICROBLAZE_CPUINFO_H */ diff --git a/arch/microblaze/include/asm/cputime.h b/arch/microblaze/include/asm/cputime.h deleted file mode 100644 index 6d68ad7e0ea..00000000000 --- a/arch/microblaze/include/asm/cputime.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/cputime.h> diff --git a/arch/microblaze/include/asm/current.h b/arch/microblaze/include/asm/current.h index 8375ea991e2..29303ed825c 100644 --- a/arch/microblaze/include/asm/current.h +++ b/arch/microblaze/include/asm/current.h @@ -1,4 +1,6 @@ /* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -9,6 +11,12 @@ #ifndef _ASM_MICROBLAZE_CURRENT_H #define _ASM_MICROBLAZE_CURRENT_H +/* + * Register used to hold the current task pointer while in the kernel. + * Any `call clobbered' register without a special meaning should be OK, + * but check asm/microblaze/kernel/entry.S to be sure. + */ +#define CURRENT_TASK r31 # ifndef __ASSEMBLY__ /* * Dedicate r31 to keeping the current task pointer diff --git a/arch/microblaze/include/asm/delay.h b/arch/microblaze/include/asm/delay.h index 05b7d39e439..66fc24c2423 100644 --- a/arch/microblaze/include/asm/delay.h +++ b/arch/microblaze/include/asm/delay.h @@ -13,6 +13,8 @@ #ifndef _ASM_MICROBLAZE_DELAY_H #define _ASM_MICROBLAZE_DELAY_H +#include <linux/param.h> + extern inline void __delay(unsigned long loops) { asm volatile ("# __delay \n\t" \ diff --git a/arch/microblaze/include/asm/device.h b/arch/microblaze/include/asm/device.h deleted file mode 100644 index c042830793e..00000000000 --- a/arch/microblaze/include/asm/device.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * Arch specific extensions to struct device - * - * This file is subject to the terms and conditions of the GNU General Public - * License v2. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_DEVICE_H -#define _ASM_MICROBLAZE_DEVICE_H - -struct device_node; - -struct dev_archdata { - /* Optional pointer to an OF device node */ - struct device_node *of_node; -}; - -#endif /* _ASM_MICROBLAZE_DEVICE_H */ - - diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h index 17336252a9b..ab353723076 100644 --- a/arch/microblaze/include/asm/dma-mapping.h +++ b/arch/microblaze/include/asm/dma-mapping.h @@ -1,129 +1,142 @@ /* - * Copyright (C) 2006 Atmark Techno, Inc. + * Implements the generic device dma API for microblaze and the pci * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. + * Copyright (C) 2009-2010 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2009-2010 PetaLogix + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file COPYING in the main directory of this + * archive for more details. + * + * This file is base on powerpc and x86 dma-mapping.h versions + * Copyright (C) 2004 IBM */ #ifndef _ASM_MICROBLAZE_DMA_MAPPING_H #define _ASM_MICROBLAZE_DMA_MAPPING_H +/* + * See Documentation/DMA-API-HOWTO.txt and + * Documentation/DMA-API.txt for documentation. + */ + +#include <linux/types.h> +#include <linux/cache.h> +#include <linux/mm.h> +#include <linux/scatterlist.h> +#include <linux/dma-debug.h> +#include <linux/dma-attrs.h> +#include <asm/io.h> +#include <asm-generic/dma-coherent.h> #include <asm/cacheflush.h> -#include <linux/io.h> -#include <linux/bug.h> -struct scatterlist; +#define DMA_ERROR_CODE (~(dma_addr_t)0x0) -#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) -#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) +#define __dma_alloc_coherent(dev, gfp, size, handle) NULL +#define __dma_free_coherent(size, addr) ((void)0) -/* FIXME */ -static inline int -dma_supported(struct device *dev, u64 mask) -{ - return 1; -} +/* + * Available generic sets of operations + */ +extern struct dma_map_ops dma_direct_ops; -static inline dma_addr_t -dma_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction direction) +static inline struct dma_map_ops *get_dma_ops(struct device *dev) { - BUG(); - return 0; + return &dma_direct_ops; } -static inline void -dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, - enum dma_data_direction direction) +static inline int dma_supported(struct device *dev, u64 mask) { - BUG(); + struct dma_map_ops *ops = get_dma_ops(dev); + + if (unlikely(!ops)) + return 0; + if (!ops->dma_supported) + return 1; + return ops->dma_supported(dev, mask); } -static inline int -dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction direction) +static inline int dma_set_mask(struct device *dev, u64 dma_mask) { - BUG(); + struct dma_map_ops *ops = get_dma_ops(dev); + + if (unlikely(ops == NULL)) + return -EIO; + if (ops->set_dma_mask) + return ops->set_dma_mask(dev, dma_mask); + if (!dev->dma_mask || !dma_supported(dev, dma_mask)) + return -EIO; + *dev->dma_mask = dma_mask; return 0; } -static inline void -dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, - enum dma_data_direction direction) -{ - BUG(); -} +#include <asm-generic/dma-mapping-common.h> -static inline void -dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, - enum dma_data_direction direction) +static inline void __dma_sync(unsigned long paddr, + size_t size, enum dma_data_direction direction) { - BUG(); + switch (direction) { + case DMA_TO_DEVICE: + case DMA_BIDIRECTIONAL: + flush_dcache_range(paddr, paddr + size); + break; + case DMA_FROM_DEVICE: + invalidate_dcache_range(paddr, paddr + size); + break; + default: + BUG(); + } } -static inline void -dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, - size_t size, enum dma_data_direction direction) +static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) { - BUG(); -} + struct dma_map_ops *ops = get_dma_ops(dev); -static inline void -dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, - enum dma_data_direction direction) -{ - BUG(); -} + debug_dma_mapping_error(dev, dma_addr); + if (ops->mapping_error) + return ops->mapping_error(dev, dma_addr); -static inline void -dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems, - enum dma_data_direction direction) -{ - BUG(); + return (dma_addr == DMA_ERROR_CODE); } -static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return 0; -} +#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) +#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, int flag) -{ - return NULL; /* consistent_alloc(flag, size, dma_handle); */ -} +#define dma_alloc_coherent(d, s, h, f) dma_alloc_attrs(d, s, h, f, NULL) -static inline void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { - BUG(); + struct dma_map_ops *ops = get_dma_ops(dev); + void *memory; + + BUG_ON(!ops); + + memory = ops->alloc(dev, size, dma_handle, flag, attrs); + + debug_dma_alloc_coherent(dev, size, *dma_handle, memory); + return memory; } -static inline dma_addr_t -dma_map_single(struct device *dev, void *ptr, size_t size, - enum dma_data_direction direction) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d, s, c, h, NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { - BUG_ON(direction == DMA_NONE); + struct dma_map_ops *ops = get_dma_ops(dev); - return virt_to_bus(ptr); + BUG_ON(!ops); + debug_dma_free_coherent(dev, size, cpu_addr, dma_handle); + ops->free(dev, size, cpu_addr, dma_handle, attrs); } -static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, - size_t size, - enum dma_data_direction direction) +static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, + enum dma_data_direction direction) { - switch (direction) { - case DMA_FROM_DEVICE: - flush_dcache_range((unsigned)dma_addr, - (unsigned)dma_addr + size); - /* Fall through */ - case DMA_TO_DEVICE: - break; - default: - BUG(); - } + BUG_ON(direction == DMA_NONE); + __dma_sync(virt_to_phys(vaddr), size, (int)direction); } -#endif /* _ASM_MICROBLAZE_DMA_MAPPING_H */ +#endif /* _ASM_MICROBLAZE_DMA_MAPPING_H */ diff --git a/arch/microblaze/include/asm/dma.h b/arch/microblaze/include/asm/dma.h index 0967fa04fc5..0d73d0c6de3 100644 --- a/arch/microblaze/include/asm/dma.h +++ b/arch/microblaze/include/asm/dma.h @@ -9,8 +9,19 @@ #ifndef _ASM_MICROBLAZE_DMA_H #define _ASM_MICROBLAZE_DMA_H +#ifndef CONFIG_MMU /* we don't have dma address limit. define it as zero to be * unlimited. */ #define MAX_DMA_ADDRESS (0) +#else +/* Virtual address corresponding to last available physical memory address. */ +#define MAX_DMA_ADDRESS (CONFIG_KERNEL_START + memory_size - 1) +#endif + +#ifdef CONFIG_PCI +extern int isa_dma_bridge_buggy; +#else +#define isa_dma_bridge_buggy (0) +#endif #endif /* _ASM_MICROBLAZE_DMA_H */ diff --git a/arch/microblaze/include/asm/elf.h b/arch/microblaze/include/asm/elf.h index 81337f24134..65902444906 100644 --- a/arch/microblaze/include/asm/elf.h +++ b/arch/microblaze/include/asm/elf.h @@ -1,30 +1,30 @@ /* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ - #ifndef _ASM_MICROBLAZE_ELF_H #define _ASM_MICROBLAZE_ELF_H -/* - * Note there is no "official" ELF designation for Microblaze. - * I've snaffled the value from the microblaze binutils source code - * /binutils/microblaze/include/elf/microblaze.h - */ -#define EM_XILINX_MICROBLAZE 0xbaab -#define ELF_ARCH EM_XILINX_MICROBLAZE - -/* - * This is used to ensure we don't load something for the wrong architecture. - */ -#define elf_check_arch(x) ((x)->e_machine == EM_XILINX_MICROBLAZE) - -/* - * These are used to set parameters in the core dumps. - */ -#define ELF_CLASS ELFCLASS32 +#include <uapi/asm/elf.h> +#ifndef __uClinux__ +#ifndef ELF_GREG_T +#endif +#ifndef ELF_NGREG +#endif +#ifndef ELF_GREGSET_T +#endif +#ifndef ELF_FPREGSET_T +#endif +#ifdef __MICROBLAZEEL__ +#else +#endif +#define SET_PERSONALITY(ex) \ + set_personality(PER_LINUX_32BIT | (current->personality & (~PER_MASK))) +#endif /* __uClinux__ */ #endif /* _ASM_MICROBLAZE_ELF_H */ diff --git a/arch/microblaze/include/asm/entry.h b/arch/microblaze/include/asm/entry.h index e4c3aef884d..b4a4cb150aa 100644 --- a/arch/microblaze/include/asm/entry.h +++ b/arch/microblaze/include/asm/entry.h @@ -1,8 +1,8 @@ /* * Definitions used by low-level trap handlers * - * Copyright (C) 2008 Michal Simek - * Copyright (C) 2007 - 2008 PetaLogix + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2007-2009 PetaLogix * Copyright (C) 2007 John Williams <john.williams@petalogix.com> * * This file is subject to the terms and conditions of the GNU General @@ -21,7 +21,7 @@ * places */ -#define PER_CPU(var) per_cpu__##var +#define PER_CPU(var) var # ifndef __ASSEMBLY__ DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */ @@ -29,9 +29,8 @@ DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */ DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */ DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */ DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */ -# endif /* __ASSEMBLY__ */ -/* noMMU hasn't any space for args */ -# define STATE_SAVE_ARG_SPACE (0) +extern asmlinkage void do_notify_resume(struct pt_regs *regs, int in_syscall); +# endif /* __ASSEMBLY__ */ #endif /* _ASM_MICROBLAZE_ENTRY_H */ diff --git a/arch/microblaze/include/asm/exceptions.h b/arch/microblaze/include/asm/exceptions.h index 24ca540e77c..e6a8ddea1dc 100644 --- a/arch/microblaze/include/asm/exceptions.h +++ b/arch/microblaze/include/asm/exceptions.h @@ -1,8 +1,8 @@ /* * Preliminary support for HW exception handing for Microblaze * - * Copyright (C) 2008 Michal Simek - * Copyright (C) 2008 PetaLogix + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2005 John Williams <jwilliams@itee.uq.edu.au> * * This file is subject to the terms and conditions of the GNU General @@ -14,6 +14,11 @@ #define _ASM_MICROBLAZE_EXCEPTIONS_H #ifdef __KERNEL__ + +#ifndef CONFIG_MMU +#define EX_HANDLER_STACK_SIZ (4*19) +#endif + #ifndef __ASSEMBLY__ /* Macros to enable and disable HW exceptions in the MSR */ @@ -61,39 +66,12 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type, int fsr, int addr); +asmlinkage void sw_exception(struct pt_regs *regs); +void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig); + void die(const char *str, struct pt_regs *fp, long err); void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr); -#if defined(CONFIG_XMON) -extern void xmon(struct pt_regs *regs); -extern int xmon_bpt(struct pt_regs *regs); -extern int xmon_sstep(struct pt_regs *regs); -extern int xmon_iabr_match(struct pt_regs *regs); -extern int xmon_dabr_match(struct pt_regs *regs); -extern void (*xmon_fault_handler)(struct pt_regs *regs); - -void (*debugger)(struct pt_regs *regs) = xmon; -int (*debugger_bpt)(struct pt_regs *regs) = xmon_bpt; -int (*debugger_sstep)(struct pt_regs *regs) = xmon_sstep; -int (*debugger_iabr_match)(struct pt_regs *regs) = xmon_iabr_match; -int (*debugger_dabr_match)(struct pt_regs *regs) = xmon_dabr_match; -void (*debugger_fault_handler)(struct pt_regs *regs); -#elif defined(CONFIG_KGDB) -void (*debugger)(struct pt_regs *regs); -int (*debugger_bpt)(struct pt_regs *regs); -int (*debugger_sstep)(struct pt_regs *regs); -int (*debugger_iabr_match)(struct pt_regs *regs); -int (*debugger_dabr_match)(struct pt_regs *regs); -void (*debugger_fault_handler)(struct pt_regs *regs); -#else -#define debugger(regs) do { } while (0) -#define debugger_bpt(regs) 0 -#define debugger_sstep(regs) 0 -#define debugger_iabr_match(regs) 0 -#define debugger_dabr_match(regs) 0 -#define debugger_fault_handler ((void (*)(struct pt_regs *))0) -#endif - #endif /*__ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_MICROBLAZE_EXCEPTIONS_H */ diff --git a/arch/microblaze/include/asm/fb.h b/arch/microblaze/include/asm/fb.h new file mode 100644 index 00000000000..3a4988e8df4 --- /dev/null +++ b/arch/microblaze/include/asm/fb.h @@ -0,0 +1 @@ +#include <asm-generic/fb.h> diff --git a/arch/microblaze/include/asm/fixmap.h b/arch/microblaze/include/asm/fixmap.h new file mode 100644 index 00000000000..06c0e2b1883 --- /dev/null +++ b/arch/microblaze/include/asm/fixmap.h @@ -0,0 +1,69 @@ +/* + * fixmap.h: compile-time virtual memory allocation + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1998 Ingo Molnar + * + * Copyright 2008 Freescale Semiconductor Inc. + * Port to powerpc added by Kumar Gala + * + * Copyright 2011 Michal Simek <monstr@monstr.eu> + * Copyright 2011 PetaLogix Qld Pty Ltd + * Port to Microblaze + */ + +#ifndef _ASM_FIXMAP_H +#define _ASM_FIXMAP_H + +#ifndef __ASSEMBLY__ +#include <linux/kernel.h> +#include <asm/page.h> +#ifdef CONFIG_HIGHMEM +#include <linux/threads.h> +#include <asm/kmap_types.h> +#endif + +#define FIXADDR_TOP ((unsigned long)(-PAGE_SIZE)) + +/* + * Here we define all the compile-time 'special' virtual + * addresses. The point is to have a constant address at + * compile time, but to set the physical address only + * in the boot process. We allocate these special addresses + * from the end of virtual memory (0xfffff000) backwards. + * Also this lets us do fail-safe vmalloc(), we + * can guarantee that these special addresses and + * vmalloc()-ed addresses never overlap. + * + * these 'compile-time allocated' memory buffers are + * fixed-size 4k pages. (or larger if used with an increment + * highger than 1) use fixmap_set(idx,phys) to associate + * physical memory with fixmap indices. + * + * TLB entries of such buffers will not be flushed across + * task switches. + */ +enum fixed_addresses { + FIX_HOLE, +#ifdef CONFIG_HIGHMEM + FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */ + FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * num_possible_cpus()) - 1, +#endif + __end_of_fixed_addresses +}; + +extern void __set_fixmap(enum fixed_addresses idx, + phys_addr_t phys, pgprot_t flags); + +#define __FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) +#define FIXADDR_START (FIXADDR_TOP - __FIXADDR_SIZE) + +#define FIXMAP_PAGE_NOCACHE PAGE_KERNEL_CI + +#include <asm-generic/fixmap.h> + +#endif /* !__ASSEMBLY__ */ +#endif diff --git a/arch/microblaze/include/asm/flat.h b/arch/microblaze/include/asm/flat.h index acf0da543ef..6847c1512c7 100644 --- a/arch/microblaze/include/asm/flat.h +++ b/arch/microblaze/include/asm/flat.h @@ -13,7 +13,6 @@ #include <asm/unaligned.h> -#define flat_stack_align(sp) /* nothing needed */ #define flat_argvp_envp_on_stack() 0 #define flat_old_ram_flag(flags) (flags) #define flat_reloc_valid(reloc, size) ((reloc) <= (size)) diff --git a/arch/microblaze/include/asm/ftrace.h b/arch/microblaze/include/asm/ftrace.h index 8b137891791..fd2fa2eca62 100644 --- a/arch/microblaze/include/asm/ftrace.h +++ b/arch/microblaze/include/asm/ftrace.h @@ -1 +1,26 @@ +#ifndef _ASM_MICROBLAZE_FTRACE +#define _ASM_MICROBLAZE_FTRACE +#ifdef CONFIG_FUNCTION_TRACER + +#define MCOUNT_ADDR ((long)(_mcount)) +#define MCOUNT_INSN_SIZE 8 /* sizeof mcount call */ + +#ifndef __ASSEMBLY__ +extern void _mcount(void); +extern void ftrace_call_graph(void); +#endif + +#ifdef CONFIG_DYNAMIC_FTRACE +/* reloction of mcount call site is the same as the address */ +static inline unsigned long ftrace_call_adjust(unsigned long addr) +{ + return addr; +} + +struct dyn_arch_ftrace { +}; +#endif /* CONFIG_DYNAMIC_FTRACE */ + +#endif /* CONFIG_FUNCTION_TRACER */ +#endif /* _ASM_MICROBLAZE_FTRACE */ diff --git a/arch/microblaze/include/asm/futex.h b/arch/microblaze/include/asm/futex.h index 0b745828f42..01848f056f4 100644 --- a/arch/microblaze/include/asm/futex.h +++ b/arch/microblaze/include/asm/futex.h @@ -1 +1,129 @@ -#include <asm-generic/futex.h> +#ifndef _ASM_MICROBLAZE_FUTEX_H +#define _ASM_MICROBLAZE_FUTEX_H + +#ifdef __KERNEL__ + +#include <linux/futex.h> +#include <linux/uaccess.h> +#include <asm/errno.h> + +#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ +({ \ + __asm__ __volatile__ ( \ + "1: lwx %0, %2, r0; " \ + insn \ + "2: swx %1, %2, r0; \ + addic %1, r0, 0; \ + bnei %1, 1b; \ + 3: \ + .section .fixup,\"ax\"; \ + 4: brid 3b; \ + addik %1, r0, %3; \ + .previous; \ + .section __ex_table,\"a\"; \ + .word 1b,4b,2b,4b; \ + .previous;" \ + : "=&r" (oldval), "=&r" (ret) \ + : "r" (uaddr), "i" (-EFAULT), "r" (oparg) \ + ); \ +}) + +static inline int +futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) +{ + int op = (encoded_op >> 28) & 7; + int cmp = (encoded_op >> 24) & 15; + int oparg = (encoded_op << 8) >> 20; + int cmparg = (encoded_op << 20) >> 20; + int oldval = 0, ret; + if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) + oparg = 1 << oparg; + + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) + return -EFAULT; + + pagefault_disable(); + + switch (op) { + case FUTEX_OP_SET: + __futex_atomic_op("or %1,%4,%4;", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_ADD: + __futex_atomic_op("add %1,%0,%4;", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_OR: + __futex_atomic_op("or %1,%0,%4;", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_ANDN: + __futex_atomic_op("andn %1,%0,%4;", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_XOR: + __futex_atomic_op("xor %1,%0,%4;", ret, oldval, uaddr, oparg); + break; + default: + ret = -ENOSYS; + } + + pagefault_enable(); + + if (!ret) { + switch (cmp) { + case FUTEX_OP_CMP_EQ: + ret = (oldval == cmparg); + break; + case FUTEX_OP_CMP_NE: + ret = (oldval != cmparg); + break; + case FUTEX_OP_CMP_LT: + ret = (oldval < cmparg); + break; + case FUTEX_OP_CMP_GE: + ret = (oldval >= cmparg); + break; + case FUTEX_OP_CMP_LE: + ret = (oldval <= cmparg); + break; + case FUTEX_OP_CMP_GT: + ret = (oldval > cmparg); + break; + default: + ret = -ENOSYS; + } + } + return ret; +} + +static inline int +futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) +{ + int ret = 0, cmp; + u32 prev; + + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) + return -EFAULT; + + __asm__ __volatile__ ("1: lwx %1, %3, r0; \ + cmp %2, %1, %4; \ + bnei %2, 3f; \ + 2: swx %5, %3, r0; \ + addic %2, r0, 0; \ + bnei %2, 1b; \ + 3: \ + .section .fixup,\"ax\"; \ + 4: brid 3b; \ + addik %0, r0, %6; \ + .previous; \ + .section __ex_table,\"a\"; \ + .word 1b,4b,2b,4b; \ + .previous;" \ + : "+r" (ret), "=&r" (prev), "=&r"(cmp) \ + : "r" (uaddr), "r" (oldval), "r" (newval), "i" (-EFAULT)); + + *uval = prev; + return ret; +} + +#endif /* __KERNEL__ */ + +#endif diff --git a/arch/microblaze/include/asm/gpio.h b/arch/microblaze/include/asm/gpio.h index ea04632399d..b3799d88ffc 100644 --- a/arch/microblaze/include/asm/gpio.h +++ b/arch/microblaze/include/asm/gpio.h @@ -1,56 +1,4 @@ -/* - * Generic GPIO API implementation for PowerPC. - * - * Copyright (c) 2007-2008 MontaVista Software, Inc. - * - * Author: Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef __ASM_POWERPC_GPIO_H -#define __ASM_POWERPC_GPIO_H - -#include <linux/errno.h> -#include <asm-generic/gpio.h> - -#ifdef CONFIG_GPIOLIB - -/* - * We don't (yet) implement inlined/rapid versions for on-chip gpios. - * Just call gpiolib. - */ -static inline int gpio_get_value(unsigned int gpio) -{ - return __gpio_get_value(gpio); -} - -static inline void gpio_set_value(unsigned int gpio, int value) -{ - __gpio_set_value(gpio, value); -} - -static inline int gpio_cansleep(unsigned int gpio) -{ - return __gpio_cansleep(gpio); -} - -/* - * Not implemented, yet. - */ -static inline int gpio_to_irq(unsigned int gpio) -{ - return -ENOSYS; -} - -static inline int irq_to_gpio(unsigned int irq) -{ - return -EINVAL; -} - -#endif /* CONFIG_GPIOLIB */ - -#endif /* __ASM_POWERPC_GPIO_H */ +#ifndef __LINUX_GPIO_H +#warning Include linux/gpio.h instead of asm/gpio.h +#include <linux/gpio.h> +#endif diff --git a/arch/microblaze/include/asm/hardirq.h b/arch/microblaze/include/asm/hardirq.h index 0f2d6b013e1..fb3c05a0cbb 100644 --- a/arch/microblaze/include/asm/hardirq.h +++ b/arch/microblaze/include/asm/hardirq.h @@ -1,29 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_HARDIRQ_H -#define _ASM_MICROBLAZE_HARDIRQ_H - -#include <linux/cache.h> -#include <linux/irq.h> -#include <asm/irq.h> -#include <asm/current.h> -#include <linux/ptrace.h> - -/* should be defined in each interrupt controller driver */ -extern unsigned int get_irq(struct pt_regs *regs); - -typedef struct { - unsigned int __softirq_pending; -} ____cacheline_aligned irq_cpustat_t; - -void ack_bad_irq(unsigned int irq); - -#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ - -#endif /* _ASM_MICROBLAZE_HARDIRQ_H */ +#include <asm-generic/hardirq.h> diff --git a/arch/microblaze/include/asm/highmem.h b/arch/microblaze/include/asm/highmem.h new file mode 100644 index 00000000000..d0463893243 --- /dev/null +++ b/arch/microblaze/include/asm/highmem.h @@ -0,0 +1,96 @@ +/* + * highmem.h: virtual kernel memory mappings for high memory + * + * Used in CONFIG_HIGHMEM systems for memory pages which + * are not addressable by direct kernel virtual addresses. + * + * Copyright (C) 1999 Gerhard Wichert, Siemens AG + * Gerhard.Wichert@pdb.siemens.de + * + * + * Redesigned the x86 32-bit VM architecture to deal with + * up to 16 Terabyte physical memory. With current x86 CPUs + * we now support up to 64 Gigabytes physical RAM. + * + * Copyright (C) 1999 Ingo Molnar <mingo@redhat.com> + */ +#ifndef _ASM_HIGHMEM_H +#define _ASM_HIGHMEM_H + +#ifdef __KERNEL__ + +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/uaccess.h> +#include <asm/fixmap.h> + +extern pte_t *kmap_pte; +extern pgprot_t kmap_prot; +extern pte_t *pkmap_page_table; + +/* + * Right now we initialize only a single pte table. It can be extended + * easily, subsequent pte tables have to be allocated in one physical + * chunk of RAM. + */ +/* + * We use one full pte table with 4K pages. And with 16K/64K/256K pages pte + * table covers enough memory (32MB/512MB/2GB resp.), so that both FIXMAP + * and PKMAP can be placed in a single pte table. We use 512 pages for PKMAP + * in case of 16K/64K/256K page sizes. + */ + +#define PKMAP_ORDER PTE_SHIFT +#define LAST_PKMAP (1 << PKMAP_ORDER) + +#define PKMAP_BASE ((FIXADDR_START - PAGE_SIZE * (LAST_PKMAP + 1)) \ + & PMD_MASK) + +#define LAST_PKMAP_MASK (LAST_PKMAP - 1) +#define PKMAP_NR(virt) ((virt - PKMAP_BASE) >> PAGE_SHIFT) +#define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT)) + +extern void *kmap_high(struct page *page); +extern void kunmap_high(struct page *page); +extern void *kmap_atomic_prot(struct page *page, pgprot_t prot); +extern void __kunmap_atomic(void *kvaddr); + +static inline void *kmap(struct page *page) +{ + might_sleep(); + if (!PageHighMem(page)) + return page_address(page); + return kmap_high(page); +} + +static inline void kunmap(struct page *page) +{ + BUG_ON(in_interrupt()); + if (!PageHighMem(page)) + return; + kunmap_high(page); +} + +static inline void *kmap_atomic(struct page *page) +{ + return kmap_atomic_prot(page, kmap_prot); +} + +static inline struct page *kmap_atomic_to_page(void *ptr) +{ + unsigned long idx, vaddr = (unsigned long) ptr; + pte_t *pte; + + if (vaddr < FIXADDR_START) + return virt_to_page(ptr); + + idx = virt_to_fix(vaddr); + pte = kmap_pte - (idx - FIX_KMAP_BEGIN); + return pte_page(*pte); +} + +#define flush_cache_kmaps() { flush_icache(); flush_dcache(); } + +#endif /* __KERNEL__ */ + +#endif /* _ASM_HIGHMEM_H */ diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h index 8b5853ee6b5..433751b2a00 100644 --- a/arch/microblaze/include/asm/io.h +++ b/arch/microblaze/include/asm/io.h @@ -1,4 +1,6 @@ /* + * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2007-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -12,179 +14,50 @@ #include <asm/byteorder.h> #include <asm/page.h> #include <linux/types.h> - +#include <linux/mm.h> /* Get struct page {...} */ + +#ifndef CONFIG_PCI +#define _IO_BASE 0 +#define _ISA_MEM_BASE 0 +#else +#define _IO_BASE isa_io_base +#define _ISA_MEM_BASE isa_mem_base +struct pci_dev; +extern void pci_iounmap(struct pci_dev *dev, void __iomem *); +#define pci_iounmap pci_iounmap + +extern unsigned long isa_io_base; +extern resource_size_t isa_mem_base; +#endif + +#define PCI_IOBASE ((void __iomem *)_IO_BASE) #define IO_SPACE_LIMIT (0xFFFFFFFF) -static inline unsigned char __raw_readb(const volatile void __iomem *addr) -{ - return *(volatile unsigned char __force *)addr; -} -static inline unsigned short __raw_readw(const volatile void __iomem *addr) -{ - return *(volatile unsigned short __force *)addr; -} -static inline unsigned int __raw_readl(const volatile void __iomem *addr) -{ - return *(volatile unsigned int __force *)addr; -} -static inline unsigned long __raw_readq(const volatile void __iomem *addr) -{ - return *(volatile unsigned long __force *)addr; -} -static inline void __raw_writeb(unsigned char v, volatile void __iomem *addr) -{ - *(volatile unsigned char __force *)addr = v; -} -static inline void __raw_writew(unsigned short v, volatile void __iomem *addr) -{ - *(volatile unsigned short __force *)addr = v; -} -static inline void __raw_writel(unsigned int v, volatile void __iomem *addr) -{ - *(volatile unsigned int __force *)addr = v; -} -static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr) -{ - *(volatile unsigned long __force *)addr = v; -} +#ifdef CONFIG_MMU +#define page_to_bus(page) (page_to_phys(page)) -/* - * read (readb, readw, readl, readq) and write (writeb, writew, - * writel, writeq) accessors are for PCI and thus littel endian. - * Linux 2.4 for Microblaze had this wrong. - */ -static inline unsigned char readb(const volatile void __iomem *addr) -{ - return *(volatile unsigned char __force *)addr; -} -static inline unsigned short readw(const volatile void __iomem *addr) -{ - return le16_to_cpu(*(volatile unsigned short __force *)addr); -} -static inline unsigned int readl(const volatile void __iomem *addr) -{ - return le32_to_cpu(*(volatile unsigned int __force *)addr); -} -static inline void writeb(unsigned char v, volatile void __iomem *addr) -{ - *(volatile unsigned char __force *)addr = v; -} -static inline void writew(unsigned short v, volatile void __iomem *addr) -{ - *(volatile unsigned short __force *)addr = cpu_to_le16(v); -} -static inline void writel(unsigned int v, volatile void __iomem *addr) -{ - *(volatile unsigned int __force *)addr = cpu_to_le32(v); -} - -/* ioread and iowrite variants. thease are for now same as __raw_ - * variants of accessors. we might check for endianess in the feature - */ -#define ioread8(addr) __raw_readb((u8 *)(addr)) -#define ioread16(addr) __raw_readw((u16 *)(addr)) -#define ioread32(addr) __raw_readl((u32 *)(addr)) -#define iowrite8(v, addr) __raw_writeb((u8)(v), (u8 *)(addr)) -#define iowrite16(v, addr) __raw_writew((u16)(v), (u16 *)(addr)) -#define iowrite32(v, addr) __raw_writel((u32)(v), (u32 *)(addr)) - -/* These are the definitions for the x86 IO instructions - * inb/inw/inl/outb/outw/outl, the "string" versions - * insb/insw/insl/outsb/outsw/outsl, and the "pausing" versions - * inb_p/inw_p/... - * The macros don't do byte-swapping. - */ -#define inb(port) readb((u8 *)((port))) -#define outb(val, port) writeb((val), (u8 *)((unsigned long)(port))) -#define inw(port) readw((u16 *)((port))) -#define outw(val, port) writew((val), (u16 *)((unsigned long)(port))) -#define inl(port) readl((u32 *)((port))) -#define outl(val, port) writel((val), (u32 *)((unsigned long)(port))) - -#define inb_p(port) inb((port)) -#define outb_p(val, port) outb((val), (port)) -#define inw_p(port) inw((port)) -#define outw_p(val, port) outw((val), (port)) -#define inl_p(port) inl((port)) -#define outl_p(val, port) outl((val), (port)) - -#define memset_io(a, b, c) memset((void *)(a), (b), (c)) -#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c)) -#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c)) - -/** - * virt_to_phys - map virtual addresses to physical - * @address: address to remap - * - * The returned physical address is the physical (CPU) mapping for - * the memory address given. It is only valid to use this function on - * addresses directly mapped or allocated via kmalloc. - * - * This function does not give bus mappings for DMA transfers. In - * almost all conceivable cases a device driver should not be using - * this function - */ -static inline unsigned long __iomem virt_to_phys(volatile void *address) -{ - return __pa((unsigned long)address); -} - -#define virt_to_bus virt_to_phys - -/** - * phys_to_virt - map physical address to virtual - * @address: address to remap - * - * The returned virtual address is a current CPU mapping for - * the memory address given. It is only valid to use this function on - * addresses that have a kernel mapping - * - * This function does not handle bus mappings for DMA transfers. In - * almost all conceivable cases a device driver should not be using - * this function - */ -static inline void *phys_to_virt(unsigned long address) -{ - return (void *)__va(address); -} +extern void iounmap(void __iomem *addr); -#define bus_to_virt(a) phys_to_virt(a) +extern void __iomem *ioremap(phys_addr_t address, unsigned long size); +#define ioremap_writethrough(addr, size) ioremap((addr), (size)) +#define ioremap_nocache(addr, size) ioremap((addr), (size)) +#define ioremap_fullcache(addr, size) ioremap((addr), (size)) +#define ioremap_wc(addr, size) ioremap((addr), (size)) -static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size, - unsigned long flags) -{ - return (void *)address; -} +#endif /* CONFIG_MMU */ -#define ioremap(physaddr, size) ((void __iomem *)(unsigned long)(physaddr)) -#define iounmap(addr) ((void)0) -#define ioremap_nocache(physaddr, size) ioremap(physaddr, size) - -/* - * Convert a physical pointer to a virtual kernel pointer for /dev/mem - * access - */ -#define xlate_dev_mem_ptr(p) __va(p) - -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - -/* - * Big Endian - */ +/* Big Endian */ #define out_be32(a, v) __raw_writel((v), (void __iomem __force *)(a)) #define out_be16(a, v) __raw_writew((v), (a)) #define in_be32(a) __raw_readl((const void __iomem __force *)(a)) #define in_be16(a) __raw_readw(a) -/* - * Little endian - */ +#define writel_be(v, a) out_be32((__force unsigned *)a, v) +#define readl_be(a) in_be32((__force unsigned *)a) -#define out_le32(a, v) __raw_writel(__cpu_to_le32(v), (a)); +/* Little endian */ +#define out_le32(a, v) __raw_writel(__cpu_to_le32(v), (a)) #define out_le16(a, v) __raw_writew(__cpu_to_le16(v), (a)) #define in_le32(a) __le32_to_cpu(__raw_readl(a)) @@ -194,15 +67,14 @@ static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size, #define out_8(a, v) __raw_writeb((v), (a)) #define in_8(a) __raw_readb(a) -/* FIXME */ -static inline void __iomem *ioport_map(unsigned long port, unsigned int len) -{ - return (void __iomem *) (port); -} +#include <asm-generic/io.h> + +#define readb_relaxed readb +#define readw_relaxed readw +#define readl_relaxed readl -static inline void ioport_unmap(void __iomem *addr) -{ - /* Nothing to do */ -} +#define writeb_relaxed writeb +#define writew_relaxed writew +#define writel_relaxed writel #endif /* _ASM_MICROBLAZE_IO_H */ diff --git a/arch/microblaze/include/asm/ioctls.h b/arch/microblaze/include/asm/ioctls.h deleted file mode 100644 index 03582b24920..00000000000 --- a/arch/microblaze/include/asm/ioctls.h +++ /dev/null @@ -1,91 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_IOCTLS_H -#define _ASM_MICROBLAZE_IOCTLS_H - -#include <linux/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -#define TIOCTTYGSTRUCT 0x5426 /* For debugging only */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -/* Get Pty Number (of pty-mux device) */ -#define TIOCGPTN _IOR('T', 0x30, unsigned int) -#define TIOCSPTLCK _IOW('T', 0x31, int) /* Lock/unlock Pty */ - -#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ - -#define FIOQSIZE 0x545E - -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ - -#endif /* _ASM_MICROBLAZE_IOCTLS_H */ diff --git a/arch/microblaze/include/asm/ipc.h b/arch/microblaze/include/asm/ipc.h deleted file mode 100644 index a46e3d9c2a3..00000000000 --- a/arch/microblaze/include/asm/ipc.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/ipc.h> diff --git a/arch/microblaze/include/asm/ipcbuf.h b/arch/microblaze/include/asm/ipcbuf.h deleted file mode 100644 index b056fa42065..00000000000 --- a/arch/microblaze/include/asm/ipcbuf.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_IPCBUF_H -#define _ASM_MICROBLAZE_IPCBUF_H - -/* - * The user_ipc_perm structure for microblaze architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm { - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* _ASM_MICROBLAZE_IPCBUF_H */ diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h index db515deaa72..bab3b1393ad 100644 --- a/arch/microblaze/include/asm/irq.h +++ b/arch/microblaze/include/asm/irq.h @@ -9,39 +9,13 @@ #ifndef _ASM_MICROBLAZE_IRQ_H #define _ASM_MICROBLAZE_IRQ_H -#define NR_IRQS 32 - -#include <linux/interrupt.h> - -extern unsigned int nr_irq; - -#define NO_IRQ (-1) - -static inline int irq_canonicalize(int irq) -{ - return irq; -} +#define NR_IRQS (32 + 1) +#include <asm-generic/irq.h> struct pt_regs; extern void do_IRQ(struct pt_regs *regs); -/* irq_of_parse_and_map - Parse and Map an interrupt into linux virq space - * @device: Device node of the device whose interrupt is to be mapped - * @index: Index of the interrupt to map - * - * This function is a wrapper that chains of_irq_map_one() and - * irq_create_of_mapping() to make things easier to callers - */ -struct device_node; -extern unsigned int irq_of_parse_and_map(struct device_node *dev, int index); - -/** FIXME - not implement - * irq_dispose_mapping - Unmap an interrupt - * @virq: linux virq number of the interrupt to unmap - */ -static inline void irq_dispose_mapping(unsigned int virq) -{ - return; -} +/* should be defined in each interrupt controller driver */ +extern unsigned int get_irq(void); #endif /* _ASM_MICROBLAZE_IRQ_H */ diff --git a/arch/microblaze/include/asm/irqflags.h b/arch/microblaze/include/asm/irqflags.h index dea65645a4f..c9a6262832c 100644 --- a/arch/microblaze/include/asm/irqflags.h +++ b/arch/microblaze/include/asm/irqflags.h @@ -9,115 +9,114 @@ #ifndef _ASM_MICROBLAZE_IRQFLAGS_H #define _ASM_MICROBLAZE_IRQFLAGS_H -#include <linux/irqflags.h> - -# if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR - -# define local_irq_save(flags) \ - do { \ - asm volatile ("# local_irq_save \n\t" \ - "msrclr %0, %1 \n\t" \ - "nop \n\t" \ - : "=r"(flags) \ - : "i"(MSR_IE) \ - : "memory"); \ - } while (0) - -# define local_irq_disable() \ - do { \ - asm volatile ("# local_irq_disable \n\t" \ - "msrclr r0, %0 \n\t" \ - "nop \n\t" \ - : \ - : "i"(MSR_IE) \ - : "memory"); \ - } while (0) - -# define local_irq_enable() \ - do { \ - asm volatile ("# local_irq_enable \n\t" \ - "msrset r0, %0 \n\t" \ - "nop \n\t" \ - : \ - : "i"(MSR_IE) \ - : "memory"); \ - } while (0) - -# else /* CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR == 0 */ - -# define local_irq_save(flags) \ - do { \ - register unsigned tmp; \ - asm volatile ("# local_irq_save \n\t" \ - "mfs %0, rmsr \n\t" \ - "nop \n\t" \ - "andi %1, %0, %2 \n\t" \ - "mts rmsr, %1 \n\t" \ - "nop \n\t" \ - : "=r"(flags), "=r" (tmp) \ - : "i"(~MSR_IE) \ - : "memory"); \ - } while (0) - -# define local_irq_disable() \ - do { \ - register unsigned tmp; \ - asm volatile ("# local_irq_disable \n\t" \ - "mfs %0, rmsr \n\t" \ - "nop \n\t" \ - "andi %0, %0, %1 \n\t" \ - "mts rmsr, %0 \n\t" \ - "nop \n\t" \ - : "=r"(tmp) \ - : "i"(~MSR_IE) \ - : "memory"); \ - } while (0) - -# define local_irq_enable() \ - do { \ - register unsigned tmp; \ - asm volatile ("# local_irq_enable \n\t" \ - "mfs %0, rmsr \n\t" \ - "nop \n\t" \ - "ori %0, %0, %1 \n\t" \ - "mts rmsr, %0 \n\t" \ - "nop \n\t" \ - : "=r"(tmp) \ - : "i"(MSR_IE) \ - : "memory"); \ - } while (0) - -# endif /* CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR */ - -#define local_save_flags(flags) \ - do { \ - asm volatile ("# local_save_flags \n\t" \ - "mfs %0, rmsr \n\t" \ - "nop \n\t" \ - : "=r"(flags) \ - : \ - : "memory"); \ - } while (0) - -#define local_irq_restore(flags) \ - do { \ - asm volatile ("# local_irq_restore \n\t"\ - "mts rmsr, %0 \n\t" \ - "nop \n\t" \ - : \ - : "r"(flags) \ - : "memory"); \ - } while (0) - -static inline int irqs_disabled(void) +#include <linux/types.h> +#include <asm/registers.h> + +#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR + +static inline notrace unsigned long arch_local_irq_save(void) +{ + unsigned long flags; + asm volatile(" msrclr %0, %1 \n" + " nop \n" + : "=r"(flags) + : "i"(MSR_IE) + : "memory"); + return flags; +} + +static inline notrace void arch_local_irq_disable(void) +{ + /* this uses r0 without declaring it - is that correct? */ + asm volatile(" msrclr r0, %0 \n" + " nop \n" + : + : "i"(MSR_IE) + : "memory"); +} + +static inline notrace void arch_local_irq_enable(void) +{ + /* this uses r0 without declaring it - is that correct? */ + asm volatile(" msrset r0, %0 \n" + " nop \n" + : + : "i"(MSR_IE) + : "memory"); +} + +#else /* !CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR */ + +static inline notrace unsigned long arch_local_irq_save(void) +{ + unsigned long flags, tmp; + asm volatile (" mfs %0, rmsr \n" + " nop \n" + " andi %1, %0, %2 \n" + " mts rmsr, %1 \n" + " nop \n" + : "=r"(flags), "=r"(tmp) + : "i"(~MSR_IE) + : "memory"); + return flags; +} + +static inline notrace void arch_local_irq_disable(void) +{ + unsigned long tmp; + asm volatile(" mfs %0, rmsr \n" + " nop \n" + " andi %0, %0, %1 \n" + " mts rmsr, %0 \n" + " nop \n" + : "=r"(tmp) + : "i"(~MSR_IE) + : "memory"); +} + +static inline notrace void arch_local_irq_enable(void) +{ + unsigned long tmp; + asm volatile(" mfs %0, rmsr \n" + " nop \n" + " ori %0, %0, %1 \n" + " mts rmsr, %0 \n" + " nop \n" + : "=r"(tmp) + : "i"(MSR_IE) + : "memory"); +} + +#endif /* CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR */ + +static inline notrace unsigned long arch_local_save_flags(void) { unsigned long flags; + asm volatile(" mfs %0, rmsr \n" + " nop \n" + : "=r"(flags) + : + : "memory"); + return flags; +} - local_save_flags(flags); - return ((flags & MSR_IE) == 0); +static inline notrace void arch_local_irq_restore(unsigned long flags) +{ + asm volatile(" mts rmsr, %0 \n" + " nop \n" + : + : "r"(flags) + : "memory"); } -#define raw_irqs_disabled irqs_disabled -#define raw_irqs_disabled_flags(flags) ((flags) == 0) +static inline notrace bool arch_irqs_disabled_flags(unsigned long flags) +{ + return (flags & MSR_IE) == 0; +} + +static inline notrace bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(arch_local_save_flags()); +} #endif /* _ASM_MICROBLAZE_IRQFLAGS_H */ diff --git a/arch/microblaze/include/asm/kgdb.h b/arch/microblaze/include/asm/kgdb.h new file mode 100644 index 00000000000..78b17d40b23 --- /dev/null +++ b/arch/microblaze/include/asm/kgdb.h @@ -0,0 +1,28 @@ +#ifdef __KERNEL__ +#ifndef __MICROBLAZE_KGDB_H__ +#define __MICROBLAZE_KGDB_H__ + +#ifndef __ASSEMBLY__ + +#define CACHE_FLUSH_IS_SAFE 1 +#define BUFMAX 2048 + +/* + * 32 32-bit general purpose registers (r0-r31) + * 6 32-bit special registers (pc, msr, ear, esr, fsr, btr) + * 12 32-bit PVR + * 7 32-bit MMU Regs (redr, rpid, rzpr, rtlbx, rtlbsx, rtlblo, rtlbhi) + * ------ + * 57 registers + */ +#define NUMREGBYTES (57 * 4) + +#define BREAK_INSTR_SIZE 4 +static inline void arch_kgdb_breakpoint(void) +{ + __asm__ __volatile__("brki r16, 0x18;"); +} + +#endif /* __ASSEMBLY__ */ +#endif /* __MICROBLAZE_KGDB_H__ */ +#endif /* __KERNEL__ */ diff --git a/arch/microblaze/include/asm/kmap_types.h b/arch/microblaze/include/asm/kmap_types.h index 4d7e222f5dd..25975252d83 100644 --- a/arch/microblaze/include/asm/kmap_types.h +++ b/arch/microblaze/include/asm/kmap_types.h @@ -1,29 +1,6 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - #ifndef _ASM_MICROBLAZE_KMAP_TYPES_H #define _ASM_MICROBLAZE_KMAP_TYPES_H -enum km_type { - KM_BOUNCE_READ, - KM_SKB_SUNRPC_DATA, - KM_SKB_DATA_SOFTIRQ, - KM_USER0, - KM_USER1, - KM_BIO_SRC_IRQ, - KM_BIO_DST_IRQ, - KM_PTE0, - KM_PTE1, - KM_IRQ0, - KM_IRQ1, - KM_SOFTIRQ0, - KM_SOFTIRQ1, - KM_TYPE_NR, -}; +#include <asm-generic/kmap_types.h> #endif /* _ASM_MICROBLAZE_KMAP_TYPES_H */ diff --git a/arch/microblaze/include/asm/lmb.h b/arch/microblaze/include/asm/lmb.h deleted file mode 100644 index a0a0a929c29..00000000000 --- a/arch/microblaze/include/asm/lmb.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * Copyright (C) 2008 Michal Simek <monstr@monstr.eu> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_LMB_H -#define _ASM_MICROBLAZE_LMB_H - -/* LMB limit is OFF */ -#define LMB_REAL_LIMIT 0xFFFFFFFF - -#endif /* _ASM_MICROBLAZE_LMB_H */ - - diff --git a/arch/microblaze/include/asm/local64.h b/arch/microblaze/include/asm/local64.h new file mode 100644 index 00000000000..36c93b5cc23 --- /dev/null +++ b/arch/microblaze/include/asm/local64.h @@ -0,0 +1 @@ +#include <asm-generic/local64.h> diff --git a/arch/microblaze/include/asm/mman.h b/arch/microblaze/include/asm/mman.h deleted file mode 100644 index 4914b132944..00000000000 --- a/arch/microblaze/include/asm/mman.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_MMAN_H -#define _ASM_MICROBLAZE_MMAN_H - -#include <asm-generic/mman.h> - -#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ -#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ -#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ -#define MAP_LOCKED 0x2000 /* pages are locked */ -#define MAP_NORESERVE 0x4000 /* don't check for reservations */ -#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ -#define MAP_NONBLOCK 0x10000 /* do not block on IO */ - -#define MCL_CURRENT 1 /* lock all current mappings */ -#define MCL_FUTURE 2 /* lock all future mappings */ - -#endif /* _ASM_MICROBLAZE_MMAN_H */ diff --git a/arch/microblaze/include/asm/mmu.h b/arch/microblaze/include/asm/mmu.h index 0e0431d6163..1f9edddf7f4 100644 --- a/arch/microblaze/include/asm/mmu.h +++ b/arch/microblaze/include/asm/mmu.h @@ -1,4 +1,6 @@ /* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -9,11 +11,116 @@ #ifndef _ASM_MICROBLAZE_MMU_H #define _ASM_MICROBLAZE_MMU_H -#ifndef __ASSEMBLY__ -typedef struct { - struct vm_list_struct *vmlist; - unsigned long end_brk; -} mm_context_t; -#endif /* __ASSEMBLY__ */ +# ifndef CONFIG_MMU +# include <asm-generic/mmu.h> +# else /* CONFIG_MMU */ +# ifdef __KERNEL__ +# ifndef __ASSEMBLY__ +/* Default "unsigned long" context */ +typedef unsigned long mm_context_t; + +/* Hardware Page Table Entry */ +typedef struct _PTE { + unsigned long v:1; /* Entry is valid */ + unsigned long vsid:24; /* Virtual segment identifier */ + unsigned long h:1; /* Hash algorithm indicator */ + unsigned long api:6; /* Abbreviated page index */ + unsigned long rpn:20; /* Real (physical) page number */ + unsigned long :3; /* Unused */ + unsigned long r:1; /* Referenced */ + unsigned long c:1; /* Changed */ + unsigned long w:1; /* Write-thru cache mode */ + unsigned long i:1; /* Cache inhibited */ + unsigned long m:1; /* Memory coherence */ + unsigned long g:1; /* Guarded */ + unsigned long :1; /* Unused */ + unsigned long pp:2; /* Page protection */ +} PTE; + +/* Values for PP (assumes Ks=0, Kp=1) */ +# define PP_RWXX 0 /* Supervisor read/write, User none */ +# define PP_RWRX 1 /* Supervisor read/write, User read */ +# define PP_RWRW 2 /* Supervisor read/write, User read/write */ +# define PP_RXRX 3 /* Supervisor read, User read */ + +/* Segment Register */ +typedef struct _SEGREG { + unsigned long t:1; /* Normal or I/O type */ + unsigned long ks:1; /* Supervisor 'key' (normally 0) */ + unsigned long kp:1; /* User 'key' (normally 1) */ + unsigned long n:1; /* No-execute */ + unsigned long :4; /* Unused */ + unsigned long vsid:24; /* Virtual Segment Identifier */ +} SEGREG; + +extern void _tlbie(unsigned long va); /* invalidate a TLB entry */ +extern void _tlbia(void); /* invalidate all TLB entries */ + +/* + * tlb_skip size stores actual number skipped TLBs from TLB0 - every directy TLB + * mapping has to increase tlb_skip size. + */ +extern u32 tlb_skip; +# endif /* __ASSEMBLY__ */ + +/* + * The MicroBlaze processor has a TLB architecture identical to PPC-40x. The + * instruction and data sides share a unified, 64-entry, semi-associative + * TLB which is maintained totally under software control. In addition, the + * instruction side has a hardware-managed, 2,4, or 8-entry, fully-associative + * TLB which serves as a first level to the shared TLB. These two TLBs are + * known as the UTLB and ITLB, respectively. + */ + +# define MICROBLAZE_TLB_SIZE 64 + +/* For cases when you want to skip some TLB entries */ +# define MICROBLAZE_TLB_SKIP 0 + +/* Use the last TLB for temporary access to LMB */ +# define MICROBLAZE_LMB_TLB_ID 63 + +/* + * TLB entries are defined by a "high" tag portion and a "low" data + * portion. The data portion is 32-bits. + * + * TLB entries are managed entirely under software control by reading, + * writing, and searching using the MTS and MFS instructions. + */ + +# define TLB_LO 1 +# define TLB_HI 0 +# define TLB_DATA TLB_LO +# define TLB_TAG TLB_HI + +/* Tag portion */ +# define TLB_EPN_MASK 0xFFFFFC00 /* Effective Page Number */ +# define TLB_PAGESZ_MASK 0x00000380 +# define TLB_PAGESZ(x) (((x) & 0x7) << 7) +# define PAGESZ_1K 0 +# define PAGESZ_4K 1 +# define PAGESZ_16K 2 +# define PAGESZ_64K 3 +# define PAGESZ_256K 4 +# define PAGESZ_1M 5 +# define PAGESZ_4M 6 +# define PAGESZ_16M 7 +# define TLB_VALID 0x00000040 /* Entry is valid */ + +/* Data portion */ +# define TLB_RPN_MASK 0xFFFFFC00 /* Real Page Number */ +# define TLB_PERM_MASK 0x00000300 +# define TLB_EX 0x00000200 /* Instruction execution allowed */ +# define TLB_WR 0x00000100 /* Writes permitted */ +# define TLB_ZSEL_MASK 0x000000F0 +# define TLB_ZSEL(x) (((x) & 0xF) << 4) +# define TLB_ATTR_MASK 0x0000000F +# define TLB_W 0x00000008 /* Caching is write-through */ +# define TLB_I 0x00000004 /* Caching is inhibited */ +# define TLB_M 0x00000002 /* Memory is coherent */ +# define TLB_G 0x00000001 /* Memory is guarded from prefetch */ + +# endif /* __KERNEL__ */ +# endif /* CONFIG_MMU */ #endif /* _ASM_MICROBLAZE_MMU_H */ diff --git a/arch/microblaze/include/asm/mmu_context.h b/arch/microblaze/include/asm/mmu_context.h index 150ca01b74b..0ccd8c402cd 100644 --- a/arch/microblaze/include/asm/mmu_context.h +++ b/arch/microblaze/include/asm/mmu_context.h @@ -1,21 +1,5 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_MMU_CONTEXT_H -#define _ASM_MICROBLAZE_MMU_CONTEXT_H - -# define init_new_context(tsk, mm) ({ 0; }) - -# define enter_lazy_tlb(mm, tsk) do {} while (0) -# define change_mm_context(old, ctx, _pml4) do {} while (0) -# define destroy_context(mm) do {} while (0) -# define deactivate_mm(tsk, mm) do {} while (0) -# define switch_mm(prev, next, tsk) do {} while (0) -# define activate_mm(prev, next) do {} while (0) - -#endif /* _ASM_MICROBLAZE_MMU_CONTEXT_H */ +#ifdef CONFIG_MMU +# include <asm/mmu_context_mm.h> +#else +# include <asm-generic/mmu_context.h> +#endif diff --git a/arch/microblaze/include/asm/mmu_context_mm.h b/arch/microblaze/include/asm/mmu_context_mm.h new file mode 100644 index 00000000000..d6864774644 --- /dev/null +++ b/arch/microblaze/include/asm/mmu_context_mm.h @@ -0,0 +1,140 @@ +/* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix + * Copyright (C) 2006 Atmark Techno, Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef _ASM_MICROBLAZE_MMU_CONTEXT_H +#define _ASM_MICROBLAZE_MMU_CONTEXT_H + +#include <linux/atomic.h> +#include <asm/bitops.h> +#include <asm/mmu.h> +#include <asm-generic/mm_hooks.h> + +# ifdef __KERNEL__ +/* + * This function defines the mapping from contexts to VSIDs (virtual + * segment IDs). We use a skew on both the context and the high 4 bits + * of the 32-bit virtual address (the "effective segment ID") in order + * to spread out the entries in the MMU hash table. + */ +# define CTX_TO_VSID(ctx, va) (((ctx) * (897 * 16) + ((va) >> 28) * 0x111) \ + & 0xffffff) + +/* + MicroBlaze has 256 contexts, so we can just rotate through these + as a way of "switching" contexts. If the TID of the TLB is zero, + the PID/TID comparison is disabled, so we can use a TID of zero + to represent all kernel pages as shared among all contexts. + */ + +static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) +{ +} + +# define NO_CONTEXT 256 +# define LAST_CONTEXT 255 +# define FIRST_CONTEXT 1 + +/* + * Set the current MMU context. + * This is done byloading up the segment registers for the user part of the + * address space. + * + * Since the PGD is immediately available, it is much faster to simply + * pass this along as a second parameter, which is required for 8xx and + * can be used for debugging on all processors (if you happen to have + * an Abatron). + */ +extern void set_context(mm_context_t context, pgd_t *pgd); + +/* + * Bitmap of contexts in use. + * The size of this bitmap is LAST_CONTEXT + 1 bits. + */ +extern unsigned long context_map[]; + +/* + * This caches the next context number that we expect to be free. + * Its use is an optimization only, we can't rely on this context + * number to be free, but it usually will be. + */ +extern mm_context_t next_mmu_context; + +/* + * Since we don't have sufficient contexts to give one to every task + * that could be in the system, we need to be able to steal contexts. + * These variables support that. + */ +extern atomic_t nr_free_contexts; +extern struct mm_struct *context_mm[LAST_CONTEXT+1]; +extern void steal_context(void); + +/* + * Get a new mmu context for the address space described by `mm'. + */ +static inline void get_mmu_context(struct mm_struct *mm) +{ + mm_context_t ctx; + + if (mm->context != NO_CONTEXT) + return; + while (atomic_dec_if_positive(&nr_free_contexts) < 0) + steal_context(); + ctx = next_mmu_context; + while (test_and_set_bit(ctx, context_map)) { + ctx = find_next_zero_bit(context_map, LAST_CONTEXT+1, ctx); + if (ctx > LAST_CONTEXT) + ctx = 0; + } + next_mmu_context = (ctx + 1) & LAST_CONTEXT; + mm->context = ctx; + context_mm[ctx] = mm; +} + +/* + * Set up the context for a new address space. + */ +# define init_new_context(tsk, mm) (((mm)->context = NO_CONTEXT), 0) + +/* + * We're finished using the context for an address space. + */ +static inline void destroy_context(struct mm_struct *mm) +{ + if (mm->context != NO_CONTEXT) { + clear_bit(mm->context, context_map); + mm->context = NO_CONTEXT; + atomic_inc(&nr_free_contexts); + } +} + +static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, + struct task_struct *tsk) +{ + tsk->thread.pgdir = next->pgd; + get_mmu_context(next); + set_context(next->context, next->pgd); +} + +/* + * After we have set current->mm to a new value, this activates + * the context for the new mm so we see the new mappings. + */ +static inline void activate_mm(struct mm_struct *active_mm, + struct mm_struct *mm) +{ + current->thread.pgdir = mm->pgd; + get_mmu_context(mm); + set_context(mm->context, mm->pgd); +} + +extern void mmu_context_init(void); + +# endif /* __KERNEL__ */ +#endif /* _ASM_MICROBLAZE_MMU_CONTEXT_H */ diff --git a/arch/microblaze/include/asm/module.h b/arch/microblaze/include/asm/module.h index 914565a9031..7be1347fce4 100644 --- a/arch/microblaze/include/asm/module.h +++ b/arch/microblaze/include/asm/module.h @@ -9,6 +9,8 @@ #ifndef _ASM_MICROBLAZE_MODULE_H #define _ASM_MICROBLAZE_MODULE_H +#include <asm-generic/module.h> + /* Microblaze Relocations */ #define R_MICROBLAZE_NONE 0 #define R_MICROBLAZE_32 1 @@ -24,14 +26,6 @@ /* Keep this the last entry. */ #define R_MICROBLAZE_NUM 11 -struct mod_arch_specific { - int foo; -}; - -#define Elf_Shdr Elf32_Shdr -#define Elf_Sym Elf32_Sym -#define Elf_Ehdr Elf32_Ehdr - typedef struct { volatile int counter; } module_t; #endif /* _ASM_MICROBLAZE_MODULE_H */ diff --git a/arch/microblaze/include/asm/msgbuf.h b/arch/microblaze/include/asm/msgbuf.h deleted file mode 100644 index 09dd9709721..00000000000 --- a/arch/microblaze/include/asm/msgbuf.h +++ /dev/null @@ -1,31 +0,0 @@ -#ifndef _ASM_MICROBLAZE_MSGBUF_H -#define _ASM_MICROBLAZE_MSGBUF_H - -/* - * The msqid64_ds structure for microblaze architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -struct msqid64_ds { - struct ipc64_perm msg_perm; - __kernel_time_t msg_stime; /* last msgsnd time */ - unsigned long __unused1; - __kernel_time_t msg_rtime; /* last msgrcv time */ - unsigned long __unused2; - __kernel_time_t msg_ctime; /* last change time */ - unsigned long __unused3; - unsigned long msg_cbytes; /* current number of bytes on queue */ - unsigned long msg_qnum; /* number of messages in queue */ - unsigned long msg_qbytes; /* max number of bytes on queue */ - __kernel_pid_t msg_lspid; /* pid of last msgsnd */ - __kernel_pid_t msg_lrpid; /* last receive pid */ - unsigned long __unused4; - unsigned long __unused5; -}; - -#endif /* _ASM_MICROBLAZE_MSGBUF_H */ diff --git a/arch/microblaze/include/asm/namei.h b/arch/microblaze/include/asm/namei.h deleted file mode 100644 index 61d60b8a07d..00000000000 --- a/arch/microblaze/include/asm/namei.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_NAMEI_H -#define _ASM_MICROBLAZE_NAMEI_H - -#ifdef __KERNEL__ - -/* This dummy routine maybe changed to something useful - * for /usr/gnemul/ emulation stuff. - * Look at asm-sparc/namei.h for details. - */ -#define __emul_prefix() NULL - -#endif /* __KERNEL__ */ - -#endif /* _ASM_MICROBLAZE_NAMEI_H */ diff --git a/arch/microblaze/include/asm/of_device.h b/arch/microblaze/include/asm/of_device.h deleted file mode 100644 index ba917cfaefe..00000000000 --- a/arch/microblaze/include/asm/of_device.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - * Copyright (C) 2007-2008 Michal Simek <monstr@monstr.eu> - * - * based on PowerPC of_device.h - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_OF_DEVICE_H -#define _ASM_MICROBLAZE_OF_DEVICE_H -#ifdef __KERNEL__ - -#include <linux/device.h> -#include <linux/of.h> - -/* - * The of_device is a kind of "base class" that is a superset of - * struct device for use by devices attached to an OF node and - * probed using OF properties. - */ -struct of_device { - struct device_node *node; /* to be obsoleted */ - u64 dma_mask; /* DMA mask */ - struct device dev; /* Generic device interface */ -}; - -extern ssize_t of_device_get_modalias(struct of_device *ofdev, - char *str, ssize_t len); - -extern struct of_device *of_device_alloc(struct device_node *np, - const char *bus_id, - struct device *parent); - -extern int of_device_uevent(struct device *dev, - struct kobj_uevent_env *env); - -extern void of_device_make_bus_id(struct of_device *dev); - -/* This is just here during the transition */ -#include <linux/of_device.h> - -#endif /* __KERNEL__ */ -#endif /* _ASM_MICROBLAZE_OF_DEVICE_H */ diff --git a/arch/microblaze/include/asm/of_platform.h b/arch/microblaze/include/asm/of_platform.h deleted file mode 100644 index 37491276c6c..00000000000 --- a/arch/microblaze/include/asm/of_platform.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#ifndef _ASM_MICROBLAZE_OF_PLATFORM_H -#define _ASM_MICROBLAZE_OF_PLATFORM_H - -/* This is just here during the transition */ -#include <linux/of_platform.h> - -/* - * The list of OF IDs below is used for matching bus types in the - * system whose devices are to be exposed as of_platform_devices. - * - * This is the default list valid for most platforms. This file provides - * functions who can take an explicit list if necessary though - * - * The search is always performed recursively looking for children of - * the provided device_node and recursively if such a children matches - * a bus type in the list - */ - -static const struct of_device_id of_default_bus_ids[] = { - { .type = "soc", }, - { .compatible = "soc", }, - { .type = "plb5", }, - { .type = "plb4", }, - { .type = "opb", }, - { .type = "simple", }, - {}, -}; - -/* Platform devices and busses creation */ -extern struct of_device *of_platform_device_create(struct device_node *np, - const char *bus_id, - struct device *parent); -/* pseudo "matches" value to not do deep probe */ -#define OF_NO_DEEP_PROBE ((struct of_device_id *)-1) - -extern int of_platform_bus_probe(struct device_node *root, - const struct of_device_id *matches, - struct device *parent); - -extern struct of_device *of_find_device_by_phandle(phandle ph); - -extern void of_instantiate_rtc(void); - -#endif /* _ASM_MICROBLAZE_OF_PLATFORM_H */ diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h index 7238dcfcc51..fd850879854 100644 --- a/arch/microblaze/include/asm/page.h +++ b/arch/microblaze/include/asm/page.h @@ -1,6 +1,8 @@ /* - * Copyright (C) 2008 Michal Simek - * Copyright (C) 2008 PetaLogix + * VM ops + * + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * Changes for MMU support: * Copyright (C) 2007 Xilinx, Inc. All rights reserved. @@ -15,26 +17,37 @@ #include <linux/pfn.h> #include <asm/setup.h> +#include <asm/asm-compat.h> +#include <linux/const.h> + +#ifdef __KERNEL__ /* PAGE_SHIFT determines the page size */ -#define PAGE_SHIFT (12) -#define PAGE_SIZE (1UL << PAGE_SHIFT) +#if defined(CONFIG_MICROBLAZE_64K_PAGES) +#define PAGE_SHIFT 16 +#elif defined(CONFIG_MICROBLAZE_16K_PAGES) +#define PAGE_SHIFT 14 +#else +#define PAGE_SHIFT 12 +#endif +#define PAGE_SIZE (ASM_CONST(1) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) -#ifdef __KERNEL__ +#define LOAD_OFFSET ASM_CONST((CONFIG_KERNEL_START-CONFIG_KERNEL_BASE_ADDR)) + +#define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */ #ifndef __ASSEMBLY__ -#define PAGE_UP(addr) (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1))) -#define PAGE_DOWN(addr) ((addr)&(~((PAGE_SIZE)-1))) +/* MS be sure that SLAB allocates aligned objects */ +#define ARCH_DMA_MINALIGN L1_CACHE_BYTES -/* align addr on a size boundary - adjust address up/down if needed */ -#define _ALIGN_UP(addr, size) (((addr)+((size)-1))&(~((size)-1))) -#define _ALIGN_DOWN(addr, size) ((addr)&(~((size)-1))) +#define ARCH_SLAB_MINALIGN L1_CACHE_BYTES -/* align addr on a size boundary - adjust address up if needed */ -#define _ALIGN(addr, size) _ALIGN_UP(addr, size) +#define PAGE_UP(addr) (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1))) +#define PAGE_DOWN(addr) ((addr)&(~((PAGE_SIZE)-1))) +#ifndef CONFIG_MMU /* * PAGE_OFFSET -- the first address of the first page of memory. When not * using MMU this corresponds to the first free page in physical memory (aligned @@ -43,15 +56,30 @@ extern unsigned int __page_offset; #define PAGE_OFFSET __page_offset -#define copy_page(to, from) memcpy((to), (from), PAGE_SIZE) -#define get_user_page(vaddr) __get_free_page(GFP_KERNEL) -#define free_user_page(page, addr) free_page(addr) +#else /* CONFIG_MMU */ -#define clear_page(pgaddr) memset((pgaddr), 0, PAGE_SIZE) +/* + * PAGE_OFFSET -- the first address of the first page of memory. With MMU + * it is set to the kernel start address (aligned on a page boundary). + * + * CONFIG_KERNEL_START is defined in arch/microblaze/config.in and used + * in arch/microblaze/Makefile. + */ +#define PAGE_OFFSET CONFIG_KERNEL_START + +/* + * The basic type of a PTE - 32 bit physical addressing. + */ +typedef unsigned long pte_basic_t; +#define PTE_FMT "%.8lx" + +#endif /* CONFIG_MMU */ +# define copy_page(to, from) memcpy((to), (from), PAGE_SIZE) +# define clear_page(pgaddr) memset((pgaddr), 0, PAGE_SIZE) -#define clear_user_page(pgaddr, vaddr, page) memset((pgaddr), 0, PAGE_SIZE) -#define copy_user_page(vto, vfrom, vaddr, topg) \ +# define clear_user_page(pgaddr, vaddr, page) memset((pgaddr), 0, PAGE_SIZE) +# define copy_user_page(vto, vfrom, vaddr, topg) \ memcpy((vto), (vfrom), PAGE_SIZE) /* @@ -60,21 +88,32 @@ extern unsigned int __page_offset; typedef struct page *pgtable_t; typedef struct { unsigned long pte; } pte_t; typedef struct { unsigned long pgprot; } pgprot_t; +/* FIXME this can depend on linux kernel version */ +# ifdef CONFIG_MMU +typedef struct { unsigned long pmd; } pmd_t; +typedef struct { unsigned long pgd; } pgd_t; +# else /* CONFIG_MMU */ typedef struct { unsigned long ste[64]; } pmd_t; typedef struct { pmd_t pue[1]; } pud_t; typedef struct { pud_t pge[1]; } pgd_t; +# endif /* CONFIG_MMU */ +# define pte_val(x) ((x).pte) +# define pgprot_val(x) ((x).pgprot) -#define pte_val(x) ((x).pte) -#define pgprot_val(x) ((x).pgprot) -#define pmd_val(x) ((x).ste[0]) -#define pud_val(x) ((x).pue[0]) -#define pgd_val(x) ((x).pge[0]) +# ifdef CONFIG_MMU +# define pmd_val(x) ((x).pmd) +# define pgd_val(x) ((x).pgd) +# else /* CONFIG_MMU */ +# define pmd_val(x) ((x).ste[0]) +# define pud_val(x) ((x).pue[0]) +# define pgd_val(x) ((x).pge[0]) +# endif /* CONFIG_MMU */ -#define __pte(x) ((pte_t) { (x) }) -#define __pmd(x) ((pmd_t) { (x) }) -#define __pgd(x) ((pgd_t) { (x) }) -#define __pgprot(x) ((pgprot_t) { (x) }) +# define __pte(x) ((pte_t) { (x) }) +# define __pmd(x) ((pmd_t) { (x) }) +# define __pgd(x) ((pgd_t) { (x) }) +# define __pgprot(x) ((pgprot_t) { (x) }) /** * Conversions for virtual address, physical address, pfn, and struct @@ -94,47 +133,79 @@ extern unsigned long max_low_pfn; extern unsigned long min_low_pfn; extern unsigned long max_pfn; -#define __pa(vaddr) ((unsigned long) (vaddr)) -#define __va(paddr) ((void *) (paddr)) +extern unsigned long memory_start; +extern unsigned long memory_size; +extern unsigned long lowmem_size; -#define phys_to_pfn(phys) (PFN_DOWN(phys)) -#define pfn_to_phys(pfn) (PFN_PHYS(pfn)) +extern unsigned long kernel_tlb; -#define virt_to_pfn(vaddr) (phys_to_pfn((__pa(vaddr)))) -#define pfn_to_virt(pfn) __va(pfn_to_phys((pfn))) +extern int page_is_ram(unsigned long pfn); -#define virt_to_page(vaddr) (pfn_to_page(virt_to_pfn(vaddr))) -#define page_to_virt(page) (pfn_to_virt(page_to_pfn(page))) +# define phys_to_pfn(phys) (PFN_DOWN(phys)) +# define pfn_to_phys(pfn) (PFN_PHYS(pfn)) -#define page_to_phys(page) (pfn_to_phys(page_to_pfn(page))) -#define page_to_bus(page) (page_to_phys(page)) -#define phys_to_page(paddr) (pfn_to_page(phys_to_pfn(paddr))) +# define virt_to_pfn(vaddr) (phys_to_pfn((__pa(vaddr)))) +# define pfn_to_virt(pfn) __va(pfn_to_phys((pfn))) -extern unsigned int memory_start; -extern unsigned int memory_end; -extern unsigned int memory_size; +# ifdef CONFIG_MMU -#define pfn_valid(pfn) ((pfn) >= min_low_pfn && (pfn) < max_mapnr) +# define virt_to_page(kaddr) (pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)) +# define page_to_virt(page) __va(page_to_pfn(page) << PAGE_SHIFT) +# define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) -#define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT) +# else /* CONFIG_MMU */ +# define virt_to_page(vaddr) (pfn_to_page(virt_to_pfn(vaddr))) +# define page_to_virt(page) (pfn_to_virt(page_to_pfn(page))) +# define page_to_phys(page) (pfn_to_phys(page_to_pfn(page))) +# define page_to_bus(page) (page_to_phys(page)) +# define phys_to_page(paddr) (pfn_to_page(phys_to_pfn(paddr))) +# endif /* CONFIG_MMU */ -#else -#define tophys(rd, rs) (addik rd, rs, 0) -#define tovirt(rd, rs) (addik rd, rs, 0) -#endif /* __ASSEMBLY__ */ +# ifndef CONFIG_MMU +# define pfn_valid(pfn) (((pfn) >= min_low_pfn) && \ + ((pfn) <= (min_low_pfn + max_mapnr))) +# define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT) +# else /* CONFIG_MMU */ +# define ARCH_PFN_OFFSET (memory_start >> PAGE_SHIFT) +# define pfn_valid(pfn) ((pfn) < (max_mapnr + ARCH_PFN_OFFSET)) +# endif /* CONFIG_MMU */ -#define virt_addr_valid(vaddr) (pfn_valid(virt_to_pfn(vaddr))) +# endif /* __ASSEMBLY__ */ -/* Convert between virtual and physical address for MMU. */ -/* Handle MicroBlaze processor with virtual memory. */ +#define virt_addr_valid(vaddr) (pfn_valid(virt_to_pfn(vaddr))) + +# define __pa(x) __virt_to_phys((unsigned long)(x)) +# define __va(x) ((void *)__phys_to_virt((unsigned long)(x))) + +/* Convert between virtual and physical address for MMU. */ +/* Handle MicroBlaze processor with virtual memory. */ +#ifndef CONFIG_MMU #define __virt_to_phys(addr) addr #define __phys_to_virt(addr) addr +#define tophys(rd, rs) addik rd, rs, 0 +#define tovirt(rd, rs) addik rd, rs, 0 +#else +#define __virt_to_phys(addr) \ + ((addr) + CONFIG_KERNEL_BASE_ADDR - CONFIG_KERNEL_START) +#define __phys_to_virt(addr) \ + ((addr) + CONFIG_KERNEL_START - CONFIG_KERNEL_BASE_ADDR) +#define tophys(rd, rs) \ + addik rd, rs, (CONFIG_KERNEL_BASE_ADDR - CONFIG_KERNEL_START) +#define tovirt(rd, rs) \ + addik rd, rs, (CONFIG_KERNEL_START - CONFIG_KERNEL_BASE_ADDR) +#endif /* CONFIG_MMU */ #define TOPHYS(addr) __virt_to_phys(addr) +#ifdef CONFIG_MMU + +#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) +#endif /* CONFIG_MMU */ + #endif /* __KERNEL__ */ #include <asm-generic/memory_model.h> -#include <asm-generic/page.h> +#include <asm-generic/getorder.h> #endif /* _ASM_MICROBLAZE_PAGE_H */ diff --git a/arch/microblaze/include/asm/param.h b/arch/microblaze/include/asm/param.h deleted file mode 100644 index 8c538a49616..00000000000 --- a/arch/microblaze/include/asm/param.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_PARAM_H -#define _ASM_MICROBLAZE_PARAM_H - -#ifdef __KERNEL__ -#define HZ CONFIG_HZ /* internal kernel timer frequency */ -#define USER_HZ 100 /* for user interfaces in "ticks" */ -#define CLOCKS_PER_SEC (USER_HZ) /* frequency at which times() counts */ -#endif /* __KERNEL__ */ - -#ifndef HZ -#define HZ 100 -#endif - -#define EXEC_PAGESIZE 4096 - -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ - -#endif /* _ASM_MICROBLAZE_PARAM_H */ diff --git a/arch/microblaze/include/asm/parport.h b/arch/microblaze/include/asm/parport.h new file mode 100644 index 00000000000..cf252af6459 --- /dev/null +++ b/arch/microblaze/include/asm/parport.h @@ -0,0 +1 @@ +#include <asm-generic/parport.h> diff --git a/arch/microblaze/include/asm/pci-bridge.h b/arch/microblaze/include/asm/pci-bridge.h index 7ad28f6f5f1..cb5d3979480 100644 --- a/arch/microblaze/include/asm/pci-bridge.h +++ b/arch/microblaze/include/asm/pci-bridge.h @@ -1 +1,144 @@ +#ifndef _ASM_MICROBLAZE_PCI_BRIDGE_H +#define _ASM_MICROBLAZE_PCI_BRIDGE_H +#ifdef __KERNEL__ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ #include <linux/pci.h> +#include <linux/list.h> +#include <linux/ioport.h> + +struct device_node; + +#ifdef CONFIG_PCI +extern struct list_head hose_list; +extern int pcibios_vaddr_is_ioport(void __iomem *address); +#else +static inline int pcibios_vaddr_is_ioport(void __iomem *address) +{ + return 0; +} +#endif + +/* + * Structure of a PCI controller (host bridge) + */ +struct pci_controller { + struct pci_bus *bus; + char is_dynamic; + struct device_node *dn; + struct list_head list_node; + struct device *parent; + + int first_busno; + int last_busno; + + int self_busno; + + void __iomem *io_base_virt; + resource_size_t io_base_phys; + + resource_size_t pci_io_size; + + /* Some machines (PReP) have a non 1:1 mapping of + * the PCI memory space in the CPU bus space + */ + resource_size_t pci_mem_offset; + + /* Some machines have a special region to forward the ISA + * "memory" cycles such as VGA memory regions. Left to 0 + * if unsupported + */ + resource_size_t isa_mem_phys; + resource_size_t isa_mem_size; + + struct pci_ops *ops; + unsigned int __iomem *cfg_addr; + void __iomem *cfg_data; + + /* + * Used for variants of PCI indirect handling and possible quirks: + * SET_CFG_TYPE - used on 4xx or any PHB that does explicit type0/1 + * EXT_REG - provides access to PCI-e extended registers + * SURPRESS_PRIMARY_BUS - we suppress the setting of PCI_PRIMARY_BUS + * on Freescale PCI-e controllers since they used the PCI_PRIMARY_BUS + * to determine which bus number to match on when generating type0 + * config cycles + * NO_PCIE_LINK - the Freescale PCI-e controllers have issues with + * hanging if we don't have link and try to do config cycles to + * anything but the PHB. Only allow talking to the PHB if this is + * set. + * BIG_ENDIAN - cfg_addr is a big endian register + * BROKEN_MRM - the 440EPx/GRx chips have an errata that causes hangs + * on the PLB4. Effectively disable MRM commands by setting this. + */ +#define INDIRECT_TYPE_SET_CFG_TYPE 0x00000001 +#define INDIRECT_TYPE_EXT_REG 0x00000002 +#define INDIRECT_TYPE_SURPRESS_PRIMARY_BUS 0x00000004 +#define INDIRECT_TYPE_NO_PCIE_LINK 0x00000008 +#define INDIRECT_TYPE_BIG_ENDIAN 0x00000010 +#define INDIRECT_TYPE_BROKEN_MRM 0x00000020 + u32 indirect_type; + + /* Currently, we limit ourselves to 1 IO range and 3 mem + * ranges since the common pci_bus structure can't handle more + */ + struct resource io_resource; + struct resource mem_resources[3]; + int global_number; /* PCI domain number */ +}; + +#ifdef CONFIG_PCI +static inline struct pci_controller *pci_bus_to_host(const struct pci_bus *bus) +{ + return bus->sysdata; +} + +static inline int isa_vaddr_is_ioport(void __iomem *address) +{ + /* No specific ISA handling on ppc32 at this stage, it + * all goes through PCI + */ + return 0; +} +#endif /* CONFIG_PCI */ + +/* These are used for config access before all the PCI probing + has been done. */ +extern int early_read_config_byte(struct pci_controller *hose, int bus, + int dev_fn, int where, u8 *val); +extern int early_read_config_word(struct pci_controller *hose, int bus, + int dev_fn, int where, u16 *val); +extern int early_read_config_dword(struct pci_controller *hose, int bus, + int dev_fn, int where, u32 *val); +extern int early_write_config_byte(struct pci_controller *hose, int bus, + int dev_fn, int where, u8 val); +extern int early_write_config_word(struct pci_controller *hose, int bus, + int dev_fn, int where, u16 val); +extern int early_write_config_dword(struct pci_controller *hose, int bus, + int dev_fn, int where, u32 val); + +extern int early_find_capability(struct pci_controller *hose, int bus, + int dev_fn, int cap); + +extern void setup_indirect_pci(struct pci_controller *hose, + resource_size_t cfg_addr, + resource_size_t cfg_data, u32 flags); + +/* Get the PCI host controller for an OF device */ +extern struct pci_controller *pci_find_hose_for_OF_device( + struct device_node *node); + +/* Fill up host controller resources from the OF node */ +extern void pci_process_bridge_OF_ranges(struct pci_controller *hose, + struct device_node *dev, int primary); + +/* Allocate & free a PCI host bridge structure */ +extern struct pci_controller *pcibios_alloc_controller(struct device_node *dev); +extern void pcibios_free_controller(struct pci_controller *phb); + +#endif /* __KERNEL__ */ +#endif /* _ASM_MICROBLAZE_PCI_BRIDGE_H */ diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h index ca03794cf3f..468aca8cec0 100644 --- a/arch/microblaze/include/asm/pci.h +++ b/arch/microblaze/include/asm/pci.h @@ -1 +1,142 @@ -#include <linux/io.h> +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * Based on powerpc version + */ + +#ifndef __ASM_MICROBLAZE_PCI_H +#define __ASM_MICROBLAZE_PCI_H +#ifdef __KERNEL__ + +#include <linux/types.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/dma-mapping.h> +#include <linux/pci.h> + +#include <asm/scatterlist.h> +#include <asm/io.h> +#include <asm/prom.h> +#include <asm/pci-bridge.h> + +#include <asm-generic/pci-dma-compat.h> + +#define PCIBIOS_MIN_IO 0x1000 +#define PCIBIOS_MIN_MEM 0x10000000 + +struct pci_dev; + +/* Values for the `which' argument to sys_pciconfig_iobase syscall. */ +#define IOBASE_BRIDGE_NUMBER 0 +#define IOBASE_MEMORY 1 +#define IOBASE_IO 2 +#define IOBASE_ISA_IO 3 +#define IOBASE_ISA_MEM 4 + +#define pcibios_scan_all_fns(a, b) 0 + +/* + * Set this to 1 if you want the kernel to re-assign all PCI + * bus numbers (don't do that on ppc64 yet !) + */ +#define pcibios_assign_all_busses() 0 + +#ifdef CONFIG_PCI +static inline void pci_dma_burst_advice(struct pci_dev *pdev, + enum pci_dma_burst_strategy *strat, + unsigned long *strategy_parameter) +{ + *strat = PCI_DMA_BURST_INFINITY; + *strategy_parameter = ~0UL; +} +#endif + +extern int pci_domain_nr(struct pci_bus *bus); + +/* Decide whether to display the domain number in /proc */ +extern int pci_proc_domain(struct pci_bus *bus); + +struct vm_area_struct; +/* Map a range of PCI memory or I/O space for a device into user space */ +int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, + enum pci_mmap_state mmap_state, int write_combine); + +/* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */ +#define HAVE_PCI_MMAP 1 + +extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, + size_t count); +extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val, + size_t count); +extern int pci_mmap_legacy_page_range(struct pci_bus *bus, + struct vm_area_struct *vma, + enum pci_mmap_state mmap_state); + +#define HAVE_PCI_LEGACY 1 + +/* The PCI address space does equal the physical memory + * address space (no IOMMU). The IDE and SCSI device layers use + * this boolean for bounce buffer decisions. + */ +#define PCI_DMA_BUS_IS_PHYS (1) + +static inline struct resource *pcibios_select_root(struct pci_dev *pdev, + struct resource *res) +{ + struct resource *root = NULL; + + if (res->flags & IORESOURCE_IO) + root = &ioport_resource; + if (res->flags & IORESOURCE_MEM) + root = &iomem_resource; + + return root; +} + +extern void pcibios_claim_one_bus(struct pci_bus *b); + +extern void pcibios_finish_adding_to_bus(struct pci_bus *bus); + +extern void pcibios_resource_survey(void); + +extern struct pci_controller *init_phb_dynamic(struct device_node *dn); +extern int remove_phb_dynamic(struct pci_controller *phb); + +extern struct pci_dev *of_create_pci_dev(struct device_node *node, + struct pci_bus *bus, int devfn); + +extern void of_scan_pci_bridge(struct device_node *node, + struct pci_dev *dev); + +extern void of_scan_bus(struct device_node *node, struct pci_bus *bus); +extern void of_rescan_bus(struct device_node *node, struct pci_bus *bus); + +extern int pci_bus_find_capability(struct pci_bus *bus, + unsigned int devfn, int cap); + +struct file; +extern pgprot_t pci_phys_mem_access_prot(struct file *file, + unsigned long pfn, + unsigned long size, + pgprot_t prot); + +#define HAVE_ARCH_PCI_RESOURCE_TO_USER +extern void pci_resource_to_user(const struct pci_dev *dev, int bar, + const struct resource *rsrc, + resource_size_t *start, resource_size_t *end); + +extern void pcibios_setup_bus_devices(struct pci_bus *bus); +extern void pcibios_setup_bus_self(struct pci_bus *bus); + +/* This part of code was originally in xilinx-pci.h */ +#ifdef CONFIG_PCI_XILINX +extern void __init xilinx_pci_init(void); +#else +static inline void __init xilinx_pci_init(void) { return; } +#endif + +#endif /* __KERNEL__ */ +#endif /* __ASM_MICROBLAZE_PCI_H */ diff --git a/arch/microblaze/include/asm/pgalloc.h b/arch/microblaze/include/asm/pgalloc.h index 2a4b3548401..7fdf7fabc7d 100644 --- a/arch/microblaze/include/asm/pgalloc.h +++ b/arch/microblaze/include/asm/pgalloc.h @@ -1,4 +1,6 @@ /* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -9,6 +11,185 @@ #ifndef _ASM_MICROBLAZE_PGALLOC_H #define _ASM_MICROBLAZE_PGALLOC_H -#define check_pgt_cache() do {} while (0) +#ifdef CONFIG_MMU + +#include <linux/kernel.h> /* For min/max macros */ +#include <linux/highmem.h> +#include <asm/setup.h> +#include <asm/io.h> +#include <asm/page.h> +#include <asm/cache.h> +#include <asm/pgtable.h> + +#define PGDIR_ORDER 0 + +/* + * This is handled very differently on MicroBlaze since out page tables + * are all 0's and I want to be able to use these zero'd pages elsewhere + * as well - it gives us quite a speedup. + * -- Cort + */ +extern struct pgtable_cache_struct { + unsigned long *pgd_cache; + unsigned long *pte_cache; + unsigned long pgtable_cache_sz; +} quicklists; + +#define pgd_quicklist (quicklists.pgd_cache) +#define pmd_quicklist ((unsigned long *)0) +#define pte_quicklist (quicklists.pte_cache) +#define pgtable_cache_size (quicklists.pgtable_cache_sz) + +extern unsigned long *zero_cache; /* head linked list of pre-zero'd pages */ +extern atomic_t zero_sz; /* # currently pre-zero'd pages */ +extern atomic_t zeropage_hits; /* # zero'd pages request that we've done */ +extern atomic_t zeropage_calls; /* # zero'd pages request that've been made */ +extern atomic_t zerototal; /* # pages zero'd over time */ + +#define zero_quicklist (zero_cache) +#define zero_cache_sz (zero_sz) +#define zero_cache_calls (zeropage_calls) +#define zero_cache_hits (zeropage_hits) +#define zero_cache_total (zerototal) + +/* + * return a pre-zero'd page from the list, + * return NULL if none available -- Cort + */ +extern unsigned long get_zero_page_fast(void); + +extern void __bad_pte(pmd_t *pmd); + +extern inline pgd_t *get_pgd_slow(void) +{ + pgd_t *ret; + + ret = (pgd_t *)__get_free_pages(GFP_KERNEL, PGDIR_ORDER); + if (ret != NULL) + clear_page(ret); + return ret; +} + +extern inline pgd_t *get_pgd_fast(void) +{ + unsigned long *ret; + + ret = pgd_quicklist; + if (ret != NULL) { + pgd_quicklist = (unsigned long *)(*ret); + ret[0] = 0; + pgtable_cache_size--; + } else + ret = (unsigned long *)get_pgd_slow(); + return (pgd_t *)ret; +} + +extern inline void free_pgd_fast(pgd_t *pgd) +{ + *(unsigned long **)pgd = pgd_quicklist; + pgd_quicklist = (unsigned long *) pgd; + pgtable_cache_size++; +} + +extern inline void free_pgd_slow(pgd_t *pgd) +{ + free_page((unsigned long)pgd); +} + +#define pgd_free(mm, pgd) free_pgd_fast(pgd) +#define pgd_alloc(mm) get_pgd_fast() + +#define pmd_pgtable(pmd) pmd_page(pmd) + +/* + * We don't have any real pmd's, and this code never triggers because + * the pgd will always be present.. + */ +#define pmd_alloc_one_fast(mm, address) ({ BUG(); ((pmd_t *)1); }) +#define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); }) + +extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); + +static inline struct page *pte_alloc_one(struct mm_struct *mm, + unsigned long address) +{ + struct page *ptepage; + +#ifdef CONFIG_HIGHPTE + int flags = GFP_KERNEL | __GFP_HIGHMEM | __GFP_REPEAT; +#else + int flags = GFP_KERNEL | __GFP_REPEAT; +#endif + + ptepage = alloc_pages(flags, 0); + if (!ptepage) + return NULL; + clear_highpage(ptepage); + if (!pgtable_page_ctor(ptepage)) { + __free_page(ptepage); + return NULL; + } + return ptepage; +} + +static inline pte_t *pte_alloc_one_fast(struct mm_struct *mm, + unsigned long address) +{ + unsigned long *ret; + + ret = pte_quicklist; + if (ret != NULL) { + pte_quicklist = (unsigned long *)(*ret); + ret[0] = 0; + pgtable_cache_size--; + } + return (pte_t *)ret; +} + +extern inline void pte_free_fast(pte_t *pte) +{ + *(unsigned long **)pte = pte_quicklist; + pte_quicklist = (unsigned long *) pte; + pgtable_cache_size++; +} + +extern inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) +{ + free_page((unsigned long)pte); +} + +extern inline void pte_free_slow(struct page *ptepage) +{ + __free_page(ptepage); +} + +static inline void pte_free(struct mm_struct *mm, struct page *ptepage) +{ + pgtable_page_dtor(ptepage); + __free_page(ptepage); +} + +#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte)) + +#define pmd_populate(mm, pmd, pte) \ + (pmd_val(*(pmd)) = (unsigned long)page_address(pte)) + +#define pmd_populate_kernel(mm, pmd, pte) \ + (pmd_val(*(pmd)) = (unsigned long) (pte)) + +/* + * We don't have any real pmd's, and this code never triggers because + * the pgd will always be present.. + */ +#define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); }) +#define pmd_free(mm, x) do { } while (0) +#define __pmd_free_tlb(tlb, x, addr) pmd_free((tlb)->mm, x) +#define pgd_populate(mm, pmd, pte) BUG() + +extern int do_check_pgt_cache(int, int); + +#endif /* CONFIG_MMU */ + +#define check_pgt_cache() do { } while (0) #endif /* _ASM_MICROBLAZE_PGALLOC_H */ diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index 4df31e46568..95cef0b5f83 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -1,4 +1,6 @@ /* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -11,8 +13,11 @@ #include <asm/setup.h> -#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) +#ifndef __ASSEMBLY__ +extern int mem_init_done; +#endif + +#ifndef CONFIG_MMU #define pgd_present(pgd) (1) /* pages are always present on non MMU */ #define pgd_none(pgd) (0) @@ -27,6 +32,8 @@ #define PAGE_READONLY __pgprot(0) /* these mean nothing to non MMU */ #define PAGE_KERNEL __pgprot(0) /* these mean nothing to non MMU */ +#define pgprot_noncached(x) (x) + #define __swp_type(x) (0) #define __swp_offset(x) (0) #define __swp_entry(typ, off) ((swp_entry_t) { ((typ) | ((off) << 7)) }) @@ -45,9 +52,520 @@ static inline int pte_file(pte_t pte) { return 0; } #define arch_enter_lazy_cpu_mode() do {} while (0) +#define pgprot_noncached_wc(prot) prot + +/* + * All 32bit addresses are effectively valid for vmalloc... + * Sort of meaningless for non-VM targets. + */ +#define VMALLOC_START 0 +#define VMALLOC_END 0xffffffff + +#else /* CONFIG_MMU */ + +#include <asm-generic/4level-fixup.h> + +#ifdef __KERNEL__ +#ifndef __ASSEMBLY__ + +#include <linux/sched.h> +#include <linux/threads.h> +#include <asm/processor.h> /* For TASK_SIZE */ +#include <asm/mmu.h> +#include <asm/page.h> + +#define FIRST_USER_ADDRESS 0 + +extern unsigned long va_to_phys(unsigned long address); +extern pte_t *va_to_pte(unsigned long address); + +/* + * The following only work if pte_present() is true. + * Undefined behaviour if not.. + */ + +static inline int pte_special(pte_t pte) { return 0; } + +static inline pte_t pte_mkspecial(pte_t pte) { return pte; } + +/* Start and end of the vmalloc area. */ +/* Make sure to map the vmalloc area above the pinned kernel memory area + of 32Mb. */ +#define VMALLOC_START (CONFIG_KERNEL_START + CONFIG_LOWMEM_SIZE) +#define VMALLOC_END ioremap_bot + +#endif /* __ASSEMBLY__ */ + +/* + * Macro to mark a page protection value as "uncacheable". + */ + +#define _PAGE_CACHE_CTL (_PAGE_GUARDED | _PAGE_NO_CACHE | \ + _PAGE_WRITETHRU) + +#define pgprot_noncached(prot) \ + (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \ + _PAGE_NO_CACHE | _PAGE_GUARDED)) + +#define pgprot_noncached_wc(prot) \ + (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \ + _PAGE_NO_CACHE)) + +/* + * The MicroBlaze MMU is identical to the PPC-40x MMU, and uses a hash + * table containing PTEs, together with a set of 16 segment registers, to + * define the virtual to physical address mapping. + * + * We use the hash table as an extended TLB, i.e. a cache of currently + * active mappings. We maintain a two-level page table tree, much + * like that used by the i386, for the sake of the Linux memory + * management code. Low-level assembler code in hashtable.S + * (procedure hash_page) is responsible for extracting ptes from the + * tree and putting them into the hash table when necessary, and + * updating the accessed and modified bits in the page table tree. + */ + +/* + * The MicroBlaze processor has a TLB architecture identical to PPC-40x. The + * instruction and data sides share a unified, 64-entry, semi-associative + * TLB which is maintained totally under software control. In addition, the + * instruction side has a hardware-managed, 2,4, or 8-entry, fully-associative + * TLB which serves as a first level to the shared TLB. These two TLBs are + * known as the UTLB and ITLB, respectively (see "mmu.h" for definitions). + */ + +/* + * The normal case is that PTEs are 32-bits and we have a 1-page + * 1024-entry pgdir pointing to 1-page 1024-entry PTE pages. -- paulus + * + */ + +/* PMD_SHIFT determines the size of the area mapped by the PTE pages */ +#define PMD_SHIFT (PAGE_SHIFT + PTE_SHIFT) +#define PMD_SIZE (1UL << PMD_SHIFT) +#define PMD_MASK (~(PMD_SIZE-1)) + +/* PGDIR_SHIFT determines what a top-level page table entry can map */ +#define PGDIR_SHIFT PMD_SHIFT +#define PGDIR_SIZE (1UL << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE-1)) + +/* + * entries per page directory level: our page-table tree is two-level, so + * we don't really have any PMD directory. + */ +#define PTRS_PER_PTE (1 << PTE_SHIFT) +#define PTRS_PER_PMD 1 +#define PTRS_PER_PGD (1 << (32 - PGDIR_SHIFT)) + +#define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE) +#define FIRST_USER_PGD_NR 0 + +#define USER_PGD_PTRS (PAGE_OFFSET >> PGDIR_SHIFT) +#define KERNEL_PGD_PTRS (PTRS_PER_PGD-USER_PGD_PTRS) + +#define pte_ERROR(e) \ + printk(KERN_ERR "%s:%d: bad pte "PTE_FMT".\n", \ + __FILE__, __LINE__, pte_val(e)) +#define pmd_ERROR(e) \ + printk(KERN_ERR "%s:%d: bad pmd %08lx.\n", \ + __FILE__, __LINE__, pmd_val(e)) +#define pgd_ERROR(e) \ + printk(KERN_ERR "%s:%d: bad pgd %08lx.\n", \ + __FILE__, __LINE__, pgd_val(e)) + +/* + * Bits in a linux-style PTE. These match the bits in the + * (hardware-defined) PTE as closely as possible. + */ + +/* There are several potential gotchas here. The hardware TLBLO + * field looks like this: + * + * 0 1 2 3 4 ... 18 19 20 21 22 23 24 25 26 27 28 29 30 31 + * RPN..................... 0 0 EX WR ZSEL....... W I M G + * + * Where possible we make the Linux PTE bits match up with this + * + * - bits 20 and 21 must be cleared, because we use 4k pages (4xx can + * support down to 1k pages), this is done in the TLBMiss exception + * handler. + * - We use only zones 0 (for kernel pages) and 1 (for user pages) + * of the 16 available. Bit 24-26 of the TLB are cleared in the TLB + * miss handler. Bit 27 is PAGE_USER, thus selecting the correct + * zone. + * - PRESENT *must* be in the bottom two bits because swap cache + * entries use the top 30 bits. Because 4xx doesn't support SMP + * anyway, M is irrelevant so we borrow it for PAGE_PRESENT. Bit 30 + * is cleared in the TLB miss handler before the TLB entry is loaded. + * - All other bits of the PTE are loaded into TLBLO without + * * modification, leaving us only the bits 20, 21, 24, 25, 26, 30 for + * software PTE bits. We actually use use bits 21, 24, 25, and + * 30 respectively for the software bits: ACCESSED, DIRTY, RW, and + * PRESENT. + */ + +/* Definitions for MicroBlaze. */ +#define _PAGE_GUARDED 0x001 /* G: page is guarded from prefetch */ +#define _PAGE_FILE 0x001 /* when !present: nonlinear file mapping */ +#define _PAGE_PRESENT 0x002 /* software: PTE contains a translation */ +#define _PAGE_NO_CACHE 0x004 /* I: caching is inhibited */ +#define _PAGE_WRITETHRU 0x008 /* W: caching is write-through */ +#define _PAGE_USER 0x010 /* matches one of the zone permission bits */ +#define _PAGE_RW 0x040 /* software: Writes permitted */ +#define _PAGE_DIRTY 0x080 /* software: dirty page */ +#define _PAGE_HWWRITE 0x100 /* hardware: Dirty & RW, set in exception */ +#define _PAGE_HWEXEC 0x200 /* hardware: EX permission */ +#define _PAGE_ACCESSED 0x400 /* software: R: page referenced */ +#define _PMD_PRESENT PAGE_MASK + +/* + * Some bits are unused... + */ +#ifndef _PAGE_HASHPTE +#define _PAGE_HASHPTE 0 +#endif +#ifndef _PTE_NONE_MASK +#define _PTE_NONE_MASK 0 +#endif +#ifndef _PAGE_SHARED +#define _PAGE_SHARED 0 +#endif +#ifndef _PAGE_EXEC +#define _PAGE_EXEC 0 +#endif + +#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY) + +/* + * Note: the _PAGE_COHERENT bit automatically gets set in the hardware + * PTE if CONFIG_SMP is defined (hash_page does this); there is no need + * to have it in the Linux PTE, and in fact the bit could be reused for + * another purpose. -- paulus. + */ +#define _PAGE_BASE (_PAGE_PRESENT | _PAGE_ACCESSED) +#define _PAGE_WRENABLE (_PAGE_RW | _PAGE_DIRTY | _PAGE_HWWRITE) + +#define _PAGE_KERNEL \ + (_PAGE_BASE | _PAGE_WRENABLE | _PAGE_SHARED | _PAGE_HWEXEC) + +#define _PAGE_IO (_PAGE_KERNEL | _PAGE_NO_CACHE | _PAGE_GUARDED) + +#define PAGE_NONE __pgprot(_PAGE_BASE) +#define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_USER) +#define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC) +#define PAGE_SHARED __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW) +#define PAGE_SHARED_X \ + __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW | _PAGE_EXEC) +#define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_USER) +#define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC) + +#define PAGE_KERNEL __pgprot(_PAGE_KERNEL) +#define PAGE_KERNEL_RO __pgprot(_PAGE_BASE | _PAGE_SHARED) +#define PAGE_KERNEL_CI __pgprot(_PAGE_IO) + +/* + * We consider execute permission the same as read. + * Also, write permissions imply read permissions. + */ +#define __P000 PAGE_NONE +#define __P001 PAGE_READONLY_X +#define __P010 PAGE_COPY +#define __P011 PAGE_COPY_X +#define __P100 PAGE_READONLY +#define __P101 PAGE_READONLY_X +#define __P110 PAGE_COPY +#define __P111 PAGE_COPY_X + +#define __S000 PAGE_NONE +#define __S001 PAGE_READONLY_X +#define __S010 PAGE_SHARED +#define __S011 PAGE_SHARED_X +#define __S100 PAGE_READONLY +#define __S101 PAGE_READONLY_X +#define __S110 PAGE_SHARED +#define __S111 PAGE_SHARED_X + +#ifndef __ASSEMBLY__ +/* + * ZERO_PAGE is a global shared page that is always zero: used + * for zero-mapped memory areas etc.. + */ +extern unsigned long empty_zero_page[1024]; +#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) + +#endif /* __ASSEMBLY__ */ + +#define pte_none(pte) ((pte_val(pte) & ~_PTE_NONE_MASK) == 0) +#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT) +#define pte_clear(mm, addr, ptep) \ + do { set_pte_at((mm), (addr), (ptep), __pte(0)); } while (0) + +#define pmd_none(pmd) (!pmd_val(pmd)) +#define pmd_bad(pmd) ((pmd_val(pmd) & _PMD_PRESENT) == 0) +#define pmd_present(pmd) ((pmd_val(pmd) & _PMD_PRESENT) != 0) +#define pmd_clear(pmdp) do { pmd_val(*(pmdp)) = 0; } while (0) + +#define pte_page(x) (mem_map + (unsigned long) \ + ((pte_val(x) - memory_start) >> PAGE_SHIFT)) +#define PFN_SHIFT_OFFSET (PAGE_SHIFT) + +#define pte_pfn(x) (pte_val(x) >> PFN_SHIFT_OFFSET) + +#define pfn_pte(pfn, prot) \ + __pte(((pte_basic_t)(pfn) << PFN_SHIFT_OFFSET) | pgprot_val(prot)) + +#ifndef __ASSEMBLY__ +/* + * The "pgd_xxx()" functions here are trivial for a folded two-level + * setup: the pgd is never bad, and a pmd always exists (as it's folded + * into the pgd entry) + */ +static inline int pgd_none(pgd_t pgd) { return 0; } +static inline int pgd_bad(pgd_t pgd) { return 0; } +static inline int pgd_present(pgd_t pgd) { return 1; } +#define pgd_clear(xp) do { } while (0) +#define pgd_page(pgd) \ + ((unsigned long) __va(pgd_val(pgd) & PAGE_MASK)) + +/* + * The following only work if pte_present() is true. + * Undefined behaviour if not.. + */ +static inline int pte_read(pte_t pte) { return pte_val(pte) & _PAGE_USER; } +static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW; } +static inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_EXEC; } +static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; } +static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; } +static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; } + +static inline void pte_uncache(pte_t pte) { pte_val(pte) |= _PAGE_NO_CACHE; } +static inline void pte_cache(pte_t pte) { pte_val(pte) &= ~_PAGE_NO_CACHE; } + +static inline pte_t pte_rdprotect(pte_t pte) \ + { pte_val(pte) &= ~_PAGE_USER; return pte; } +static inline pte_t pte_wrprotect(pte_t pte) \ + { pte_val(pte) &= ~(_PAGE_RW | _PAGE_HWWRITE); return pte; } +static inline pte_t pte_exprotect(pte_t pte) \ + { pte_val(pte) &= ~_PAGE_EXEC; return pte; } +static inline pte_t pte_mkclean(pte_t pte) \ + { pte_val(pte) &= ~(_PAGE_DIRTY | _PAGE_HWWRITE); return pte; } +static inline pte_t pte_mkold(pte_t pte) \ + { pte_val(pte) &= ~_PAGE_ACCESSED; return pte; } + +static inline pte_t pte_mkread(pte_t pte) \ + { pte_val(pte) |= _PAGE_USER; return pte; } +static inline pte_t pte_mkexec(pte_t pte) \ + { pte_val(pte) |= _PAGE_USER | _PAGE_EXEC; return pte; } +static inline pte_t pte_mkwrite(pte_t pte) \ + { pte_val(pte) |= _PAGE_RW; return pte; } +static inline pte_t pte_mkdirty(pte_t pte) \ + { pte_val(pte) |= _PAGE_DIRTY; return pte; } +static inline pte_t pte_mkyoung(pte_t pte) \ + { pte_val(pte) |= _PAGE_ACCESSED; return pte; } + +/* + * Conversion functions: convert a page and protection to a page entry, + * and a page entry and page directory to the page they refer to. + */ + +static inline pte_t mk_pte_phys(phys_addr_t physpage, pgprot_t pgprot) +{ + pte_t pte; + pte_val(pte) = physpage | pgprot_val(pgprot); + return pte; +} + +#define mk_pte(page, pgprot) \ +({ \ + pte_t pte; \ + pte_val(pte) = (((page - mem_map) << PAGE_SHIFT) + memory_start) | \ + pgprot_val(pgprot); \ + pte; \ +}) + +static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) +{ + pte_val(pte) = (pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot); + return pte; +} + +/* + * Atomic PTE updates. + * + * pte_update clears and sets bit atomically, and returns + * the old pte value. + * The ((unsigned long)(p+1) - 4) hack is to get to the least-significant + * 32 bits of the PTE regardless of whether PTEs are 32 or 64 bits. + */ +static inline unsigned long pte_update(pte_t *p, unsigned long clr, + unsigned long set) +{ + unsigned long flags, old, tmp; + + raw_local_irq_save(flags); + + __asm__ __volatile__( "lw %0, %2, r0 \n" + "andn %1, %0, %3 \n" + "or %1, %1, %4 \n" + "sw %1, %2, r0 \n" + : "=&r" (old), "=&r" (tmp) + : "r" ((unsigned long)(p + 1) - 4), "r" (clr), "r" (set) + : "cc"); + + raw_local_irq_restore(flags); + + return old; +} + +/* + * set_pte stores a linux PTE into the linux page table. + */ +static inline void set_pte(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte) +{ + *ptep = pte; +} + +static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte) +{ + *ptep = pte; +} + +#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG +static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep) +{ + return (pte_update(ptep, _PAGE_ACCESSED, 0) & _PAGE_ACCESSED) != 0; +} + +static inline int ptep_test_and_clear_dirty(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + return (pte_update(ptep, \ + (_PAGE_DIRTY | _PAGE_HWWRITE), 0) & _PAGE_DIRTY) != 0; +} + +#define __HAVE_ARCH_PTEP_GET_AND_CLEAR +static inline pte_t ptep_get_and_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + return __pte(pte_update(ptep, ~_PAGE_HASHPTE, 0)); +} + +/*static inline void ptep_set_wrprotect(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + pte_update(ptep, (_PAGE_RW | _PAGE_HWWRITE), 0); +}*/ + +static inline void ptep_mkdirty(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + pte_update(ptep, 0, _PAGE_DIRTY); +} + +/*#define pte_same(A,B) (((pte_val(A) ^ pte_val(B)) & ~_PAGE_HASHPTE) == 0)*/ + +/* Convert pmd entry to page */ +/* our pmd entry is an effective address of pte table*/ +/* returns effective address of the pmd entry*/ +#define pmd_page_kernel(pmd) ((unsigned long) (pmd_val(pmd) & PAGE_MASK)) + +/* returns struct *page of the pmd entry*/ +#define pmd_page(pmd) (pfn_to_page(__pa(pmd_val(pmd)) >> PAGE_SHIFT)) + +/* to find an entry in a kernel page-table-directory */ +#define pgd_offset_k(address) pgd_offset(&init_mm, address) + +/* to find an entry in a page-table-directory */ +#define pgd_index(address) ((address) >> PGDIR_SHIFT) +#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) + +/* Find an entry in the second-level page table.. */ +static inline pmd_t *pmd_offset(pgd_t *dir, unsigned long address) +{ + return (pmd_t *) dir; +} + +/* Find an entry in the third-level page table.. */ +#define pte_index(address) \ + (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) +#define pte_offset_kernel(dir, addr) \ + ((pte_t *) pmd_page_kernel(*(dir)) + pte_index(addr)) +#define pte_offset_map(dir, addr) \ + ((pte_t *) kmap_atomic(pmd_page(*(dir))) + pte_index(addr)) + +#define pte_unmap(pte) kunmap_atomic(pte) + +/* Encode and decode a nonlinear file mapping entry */ +#define PTE_FILE_MAX_BITS 29 +#define pte_to_pgoff(pte) (pte_val(pte) >> 3) +#define pgoff_to_pte(off) ((pte_t) { ((off) << 3) | _PAGE_FILE }) + +extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; + +/* + * Encode and decode a swap entry. + * Note that the bits we use in a PTE for representing a swap entry + * must not include the _PAGE_PRESENT bit, or the _PAGE_HASHPTE bit + * (if used). -- paulus + */ +#define __swp_type(entry) ((entry).val & 0x3f) +#define __swp_offset(entry) ((entry).val >> 6) +#define __swp_entry(type, offset) \ + ((swp_entry_t) { (type) | ((offset) << 6) }) +#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) >> 2 }) +#define __swp_entry_to_pte(x) ((pte_t) { (x).val << 2 }) + +extern unsigned long iopa(unsigned long addr); + +/* Values for nocacheflag and cmode */ +/* These are not used by the APUS kernel_map, but prevents + * compilation errors. + */ +#define IOMAP_FULL_CACHING 0 +#define IOMAP_NOCACHE_SER 1 +#define IOMAP_NOCACHE_NONSER 2 +#define IOMAP_NO_COPYBACK 3 + +/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ +#define kern_addr_valid(addr) (1) + +/* + * No page table caches to initialise + */ +#define pgtable_cache_init() do { } while (0) + +void do_page_fault(struct pt_regs *regs, unsigned long address, + unsigned long error_code); + +void mapin_ram(void); +int map_page(unsigned long va, phys_addr_t pa, int flags); + +extern int mem_init_done; + +asmlinkage void __init mmu_init(void); + +void __init *early_get_page(void); + +#endif /* __ASSEMBLY__ */ +#endif /* __KERNEL__ */ + +#endif /* CONFIG_MMU */ + #ifndef __ASSEMBLY__ #include <asm-generic/pgtable.h> +extern unsigned long ioremap_bot, ioremap_base; + +void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle); +void consistent_free(size_t size, void *vaddr); +void consistent_sync(void *vaddr, size_t size, int direction); +void consistent_sync_page(struct page *page, unsigned long offset, + size_t size, int direction); + void setup_memory(void); #endif /* __ASSEMBLY__ */ diff --git a/arch/microblaze/include/asm/posix_types.h b/arch/microblaze/include/asm/posix_types.h deleted file mode 100644 index b4df41c5dde..00000000000 --- a/arch/microblaze/include/asm/posix_types.h +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_POSIX_TYPES_H -#define _ASM_MICROBLAZE_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned long __kernel_ino_t; -typedef unsigned int __kernel_mode_t; -typedef unsigned int __kernel_nlink_t; -typedef long __kernel_off_t; -typedef int __kernel_pid_t; -typedef unsigned int __kernel_ipc_pid_t; -typedef unsigned int __kernel_uid_t; -typedef unsigned int __kernel_gid_t; -typedef unsigned long __kernel_size_t; -typedef long __kernel_ssize_t; -typedef int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_timer_t; -typedef int __kernel_clockid_t; -typedef int __kernel_daddr_t; -typedef char *__kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; - -typedef unsigned int __kernel_old_uid_t; -typedef unsigned int __kernel_old_gid_t; -typedef unsigned int __kernel_old_dev_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { -#if defined(__KERNEL__) || defined(__USE_ALL) - int val[2]; -#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */ - int __val[2]; -#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */ -} __kernel_fsid_t; - -#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) - -#undef __FD_SET -#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) - -#undef __FD_CLR -#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) - -#undef __FD_ISSET -#define __FD_ISSET(d, set) (!!((set)->fds_bits[__FDELT(d)] & __FDMASK(d))) - -#undef __FD_ZERO -#define __FD_ZERO(fdsetp) (memset(fdsetp, 0, sizeof(*(fd_set *)fdsetp))) - -#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */ - -#endif /* _ASM_MICROBLAZE_POSIX_TYPES_H */ diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h index 9329029d261..9d31b057c35 100644 --- a/arch/microblaze/include/asm/processor.h +++ b/arch/microblaze/include/asm/processor.h @@ -1,6 +1,6 @@ /* - * Copyright (C) 2008 Michal Simek - * Copyright (C) 2008 PetaLogix + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -14,7 +14,6 @@ #include <asm/ptrace.h> #include <asm/setup.h> #include <asm/registers.h> -#include <asm/segment.h> #include <asm/entry.h> #include <asm/current.h> @@ -23,10 +22,6 @@ extern const struct seq_operations cpuinfo_op; # define cpu_relax() barrier() -# define cpu_sleep() do {} while (0) -# define prepare_to_copy(tsk) do {} while (0) - -# endif /* __ASSEMBLY__ */ #define task_pt_regs(tsk) \ (((struct pt_regs *)(THREAD_SIZE + task_stack_page(tsk))) - 1) @@ -34,6 +29,12 @@ extern const struct seq_operations cpuinfo_op; /* Do necessary setup to start up a newly executed thread. */ void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long usp); +extern void ret_from_fork(void); +extern void ret_from_kernel_thread(void); + +# endif /* __ASSEMBLY__ */ + +# ifndef CONFIG_MMU /* * User space process size: memory size * @@ -77,12 +78,91 @@ extern unsigned long thread_saved_pc(struct task_struct *t); extern unsigned long get_wchan(struct task_struct *p); +# define KSTK_EIP(tsk) (0) +# define KSTK_ESP(tsk) (0) + +# else /* CONFIG_MMU */ + /* - * create a kernel thread without removing it from tasklists + * This is used to define STACK_TOP, and with MMU it must be below + * kernel base to select the correct PGD when handling MMU exceptions. */ -extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); +# define TASK_SIZE (CONFIG_KERNEL_START) -# define KSTK_EIP(tsk) (0) -# define KSTK_ESP(tsk) (0) +/* + * This decides where the kernel will search for a free chunk of vm + * space during mmap's. + */ +# define TASK_UNMAPPED_BASE (TASK_SIZE / 8 * 3) + +# define THREAD_KSP 0 + +# ifndef __ASSEMBLY__ + +/* + * Default implementation of macro that returns current + * instruction pointer ("program counter"). + */ +# define current_text_addr() ({ __label__ _l; _l: &&_l; }) + +/* If you change this, you must change the associated assembly-languages + * constants defined below, THREAD_*. + */ +struct thread_struct { + /* kernel stack pointer (must be first field in structure) */ + unsigned long ksp; + unsigned long ksp_limit; /* if ksp <= ksp_limit stack overflow */ + void *pgdir; /* root of page-table tree */ + struct pt_regs *regs; /* Pointer to saved register state */ +}; + +# define INIT_THREAD { \ + .ksp = sizeof init_stack + (unsigned long)init_stack, \ + .pgdir = swapper_pg_dir, \ +} + +/* Free all resources held by a thread. */ +static inline void release_thread(struct task_struct *dead_task) +{ +} + +/* Free current thread data structures etc. */ +static inline void exit_thread(void) +{ +} + +/* Return saved (kernel) PC of a blocked thread. */ +# define thread_saved_pc(tsk) \ + ((tsk)->thread.regs ? (tsk)->thread.regs->r15 : 0) + +unsigned long get_wchan(struct task_struct *p); + +/* The size allocated for kernel stacks. This _must_ be a power of two! */ +# define KERNEL_STACK_SIZE 0x2000 + +/* Return some info about the user process TASK. */ +# define task_tos(task) ((unsigned long)(task) + KERNEL_STACK_SIZE) +# define task_regs(task) ((struct pt_regs *)task_tos(task) - 1) + +# define task_pt_regs_plus_args(tsk) \ + ((void *)task_pt_regs(tsk)) + +# define task_sp(task) (task_regs(task)->r1) +# define task_pc(task) (task_regs(task)->pc) +/* Grotty old names for some. */ +# define KSTK_EIP(task) (task_pc(task)) +# define KSTK_ESP(task) (task_sp(task)) + +/* FIXME */ +# define deactivate_mm(tsk, mm) do { } while (0) + +# define STACK_TOP TASK_SIZE +# define STACK_TOP_MAX STACK_TOP + +#ifdef CONFIG_DEBUG_FS +extern struct dentry *of_debugfs_root; +#endif +# endif /* __ASSEMBLY__ */ +# endif /* CONFIG_MMU */ #endif /* _ASM_MICROBLAZE_PROCESSOR_H */ diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h index 20f7b3a926e..2f03ac81585 100644 --- a/arch/microblaze/include/asm/prom.h +++ b/arch/microblaze/include/asm/prom.h @@ -11,303 +11,17 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ - #ifndef _ASM_MICROBLAZE_PROM_H #define _ASM_MICROBLAZE_PROM_H -#ifdef __KERNEL__ - -#include <linux/types.h> -#include <linux/proc_fs.h> -#include <linux/platform_device.h> -#include <asm/irq.h> -#include <asm/atomic.h> - -#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1 -#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1 - -#define of_compat_cmp(s1, s2, l) strncasecmp((s1), (s2), (l)) -#define of_prop_cmp(s1, s2) strcmp((s1), (s2)) -#define of_node_cmp(s1, s2) strcasecmp((s1), (s2)) - -/* Definitions used by the flattened device tree */ -#define OF_DT_HEADER 0xd00dfeed /* marker */ -#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ -#define OF_DT_END_NODE 0x2 /* End node */ -#define OF_DT_PROP 0x3 /* Property: name off, size, content */ -#define OF_DT_NOP 0x4 /* nop */ -#define OF_DT_END 0x9 - -#define OF_DT_VERSION 0x10 - -/* - * This is what gets passed to the kernel by prom_init or kexec - * - * The dt struct contains the device tree structure, full pathes and - * property contents. The dt strings contain a separate block with just - * the strings for the property names, and is fully page aligned and - * self contained in a page, so that it can be kept around by the kernel, - * each property name appears only once in this page (cheap compression) - * - * the mem_rsvmap contains a map of reserved ranges of physical memory, - * passing it here instead of in the device-tree itself greatly simplifies - * the job of everybody. It's just a list of u64 pairs (base/size) that - * ends when size is 0 - */ -struct boot_param_header { - u32 magic; /* magic word OF_DT_HEADER */ - u32 totalsize; /* total size of DT block */ - u32 off_dt_struct; /* offset to structure */ - u32 off_dt_strings; /* offset to strings */ - u32 off_mem_rsvmap; /* offset to memory reserve map */ - u32 version; /* format version */ - u32 last_comp_version; /* last compatible version */ - /* version 2 fields below */ - u32 boot_cpuid_phys; /* Physical CPU id we're booting on */ - /* version 3 fields below */ - u32 dt_strings_size; /* size of the DT strings block */ - /* version 17 fields below */ - u32 dt_struct_size; /* size of the DT structure block */ -}; - -typedef u32 phandle; -typedef u32 ihandle; - -struct property { - char *name; - int length; - void *value; - struct property *next; -}; - -struct device_node { - const char *name; - const char *type; - phandle node; - phandle linux_phandle; - char *full_name; - - struct property *properties; - struct property *deadprops; /* removed properties */ - struct device_node *parent; - struct device_node *child; - struct device_node *sibling; - struct device_node *next; /* next device of same type */ - struct device_node *allnext; /* next in list of all nodes */ - struct proc_dir_entry *pde; /* this node's proc directory */ - struct kref kref; - unsigned long _flags; - void *data; -}; - -extern struct device_node *of_chosen; -static inline int of_node_check_flag(struct device_node *n, unsigned long flag) -{ - return test_bit(flag, &n->_flags); -} - -static inline void of_node_set_flag(struct device_node *n, unsigned long flag) -{ - set_bit(flag, &n->_flags); -} - -#define HAVE_ARCH_DEVTREE_FIXUPS - -static inline void set_node_proc_entry(struct device_node *dn, - struct proc_dir_entry *de) -{ - dn->pde = de; -} - -extern struct device_node *allnodes; /* temporary while merging */ -extern rwlock_t devtree_lock; /* temporary while merging */ - -extern struct device_node *of_find_all_nodes(struct device_node *prev); -extern struct device_node *of_node_get(struct device_node *node); -extern void of_node_put(struct device_node *node); - -/* For scanning the flat device-tree at boot time */ -extern int __init of_scan_flat_dt(int (*it)(unsigned long node, - const char *uname, int depth, - void *data), - void *data); -extern void *__init of_get_flat_dt_prop(unsigned long node, const char *name, - unsigned long *size); -extern int __init - of_flat_dt_is_compatible(unsigned long node, const char *name); -extern unsigned long __init of_get_flat_dt_root(void); - -/* For updating the device tree at runtime */ -extern void of_attach_node(struct device_node *); -extern void of_detach_node(struct device_node *); +#include <linux/of.h> /* Other Prototypes */ -extern void finish_device_tree(void); -extern void unflatten_device_tree(void); -extern int early_uartlite_console(void); -extern void early_init_devtree(void *); -extern int machine_is_compatible(const char *compat); -extern void print_properties(struct device_node *node); -extern int prom_n_intr_cells(struct device_node *np); -extern void prom_get_irq_senses(unsigned char *senses, int off, int max); -extern int prom_add_property(struct device_node *np, struct property *prop); -extern int prom_remove_property(struct device_node *np, struct property *prop); -extern int prom_update_property(struct device_node *np, - struct property *newprop, - struct property *oldprop); - -extern struct resource *request_OF_resource(struct device_node *node, - int index, const char *name_postfix); -extern int release_OF_resource(struct device_node *node, int index); - -/* - * OF address retreival & translation - */ - -/* Helper to read a big number; size is in cells (not bytes) */ -static inline u64 of_read_number(const u32 *cell, int size) -{ - u64 r = 0; - while (size--) - r = (r << 32) | *(cell++); - return r; -} - -/* Like of_read_number, but we want an unsigned long result */ -#define of_read_ulong(cell, size) of_read_number(cell, size) - -/* Translate an OF address block into a CPU physical address - */ -extern u64 of_translate_address(struct device_node *np, const u32 *addr); - -/* Extract an address from a device, returns the region size and - * the address space flags too. The PCI version uses a BAR number - * instead of an absolute index - */ -extern const u32 *of_get_address(struct device_node *dev, int index, - u64 *size, unsigned int *flags); -extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no, - u64 *size, unsigned int *flags); - -/* Get an address as a resource. Note that if your address is - * a PIO address, the conversion will fail if the physical address - * can't be internally converted to an IO token with - * pci_address_to_pio(), that is because it's either called to early - * or it can't be matched to any host bridge IO space - */ -extern int of_address_to_resource(struct device_node *dev, int index, - struct resource *r); -extern int of_pci_address_to_resource(struct device_node *dev, int bar, - struct resource *r); - -/* Parse the ibm,dma-window property of an OF node into the busno, phys and - * size parameters. - */ -void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, - unsigned long *busno, unsigned long *phys, unsigned long *size); - -extern void kdump_move_device_tree(void); - -/* CPU OF node matching */ -struct device_node *of_get_cpu_node(int cpu, unsigned int *thread); - -/* Get the MAC address */ -extern const void *of_get_mac_address(struct device_node *np); - -/* - * OF interrupt mapping - */ - -/* This structure is returned when an interrupt is mapped. The controller - * field needs to be put() after use - */ - -#define OF_MAX_IRQ_SPEC 4 /* We handle specifiers of at most 4 cells */ - -struct of_irq { - struct device_node *controller; /* Interrupt controller node */ - u32 size; /* Specifier size */ - u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */ +enum early_consoles { + UARTLITE = 1, + UART16550 = 2, }; -/** - * of_irq_map_init - Initialize the irq remapper - * @flags: flags defining workarounds to enable - * - * Some machines have bugs in the device-tree which require certain workarounds - * to be applied. Call this before any interrupt mapping attempts to enable - * those workarounds. - */ -#define OF_IMAP_OLDWORLD_MAC 0x00000001 -#define OF_IMAP_NO_PHANDLE 0x00000002 - -extern void of_irq_map_init(unsigned int flags); - -/** - * of_irq_map_raw - Low level interrupt tree parsing - * @parent: the device interrupt parent - * @intspec: interrupt specifier ("interrupts" property of the device) - * @ointsize: size of the passed in interrupt specifier - * @addr: address specifier (start of "reg" property of the device) - * @out_irq: structure of_irq filled by this function - * - * Returns 0 on success and a negative number on error - * - * This function is a low-level interrupt tree walking function. It - * can be used to do a partial walk with synthetized reg and interrupts - * properties, for example when resolving PCI interrupts when no device - * node exist for the parent. - * - */ - -extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec, - u32 ointsize, const u32 *addr, - struct of_irq *out_irq); - -/** - * of_irq_map_one - Resolve an interrupt for a device - * @device: the device whose interrupt is to be resolved - * @index: index of the interrupt to resolve - * @out_irq: structure of_irq filled by this function - * - * This function resolves an interrupt, walking the tree, for a given - * device-tree node. It's the high level pendant to of_irq_map_raw(). - * It also implements the workarounds for OldWolrd Macs. - */ -extern int of_irq_map_one(struct device_node *device, int index, - struct of_irq *out_irq); - -/** - * of_irq_map_pci - Resolve the interrupt for a PCI device - * @pdev: the device whose interrupt is to be resolved - * @out_irq: structure of_irq filled by this function - * - * This function resolves the PCI interrupt for a given PCI device. If a - * device-node exists for a given pci_dev, it will use normal OF tree - * walking. If not, it will implement standard swizzling and walk up the - * PCI tree until an device-node is found, at which point it will finish - * resolving using the OF tree walking. - */ -struct pci_dev; -extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); - -extern int of_irq_to_resource(struct device_node *dev, int index, - struct resource *r); - -/** - * of_iomap - Maps the memory mapped IO for a given device_node - * @device: the device whose io range will be mapped - * @index: index of the io range - * - * Returns a pointer to the mapped memory - */ -extern void __iomem *of_iomap(struct device_node *device, int index); - -/* - * NB: This is here while we transition from using asm/prom.h - * to linux/of.h - */ -#include <linux/of.h> +extern int of_early_console(void *version); -#endif /* __KERNEL__ */ #endif /* _ASM_MICROBLAZE_PROM_H */ diff --git a/arch/microblaze/include/asm/ptrace.h b/arch/microblaze/include/asm/ptrace.h index 55015bce5e4..5b18ec124e5 100644 --- a/arch/microblaze/include/asm/ptrace.h +++ b/arch/microblaze/include/asm/ptrace.h @@ -5,64 +5,23 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. */ - #ifndef _ASM_MICROBLAZE_PTRACE_H #define _ASM_MICROBLAZE_PTRACE_H -#ifndef __ASSEMBLY__ -#include <linux/types.h> - -typedef unsigned long microblaze_reg_t; - -struct pt_regs { - microblaze_reg_t r0; - microblaze_reg_t r1; - microblaze_reg_t r2; - microblaze_reg_t r3; - microblaze_reg_t r4; - microblaze_reg_t r5; - microblaze_reg_t r6; - microblaze_reg_t r7; - microblaze_reg_t r8; - microblaze_reg_t r9; - microblaze_reg_t r10; - microblaze_reg_t r11; - microblaze_reg_t r12; - microblaze_reg_t r13; - microblaze_reg_t r14; - microblaze_reg_t r15; - microblaze_reg_t r16; - microblaze_reg_t r17; - microblaze_reg_t r18; - microblaze_reg_t r19; - microblaze_reg_t r20; - microblaze_reg_t r21; - microblaze_reg_t r22; - microblaze_reg_t r23; - microblaze_reg_t r24; - microblaze_reg_t r25; - microblaze_reg_t r26; - microblaze_reg_t r27; - microblaze_reg_t r28; - microblaze_reg_t r29; - microblaze_reg_t r30; - microblaze_reg_t r31; - microblaze_reg_t pc; - microblaze_reg_t msr; - microblaze_reg_t ear; - microblaze_reg_t esr; - microblaze_reg_t fsr; - int pt_mode; -}; +#include <uapi/asm/ptrace.h> +#ifndef __ASSEMBLY__ #define kernel_mode(regs) ((regs)->pt_mode) #define user_mode(regs) (!kernel_mode(regs)) #define instruction_pointer(regs) ((regs)->pc) #define profile_pc(regs) instruction_pointer(regs) +#define user_stack_pointer(regs) ((regs)->r1) -void show_regs(struct pt_regs *); +static inline long regs_return_value(struct pt_regs *regs) +{ + return regs->r3; +} #endif /* __ASSEMBLY__ */ - #endif /* _ASM_MICROBLAZE_PTRACE_H */ diff --git a/arch/microblaze/include/asm/pvr.h b/arch/microblaze/include/asm/pvr.h index 66f1b30dd09..4bbdb4c03b5 100644 --- a/arch/microblaze/include/asm/pvr.h +++ b/arch/microblaze/include/asm/pvr.h @@ -1,9 +1,9 @@ /* * Support for the MicroBlaze PVR (Processor Version Register) * - * Copyright (C) 2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2009 - 2011 Michal Simek <monstr@monstr.eu> * Copyright (C) 2007 John Williams <john.williams@petalogix.com> - * Copyright (C) 2007 - 2009 PetaLogix + * Copyright (C) 2007 - 2011 PetaLogix * * This file is subject to the terms and conditions of the GNU General * Public License. See the file COPYING in the main directory of this @@ -16,7 +16,7 @@ #define PVR_MSR_BIT 0x400 struct pvr_s { - unsigned pvr[16]; + unsigned pvr[12]; }; /* The following taken from Xilinx's standalone BSP pvr.h */ @@ -30,7 +30,9 @@ struct pvr_s { #define PVR0_USE_EXC_MASK 0x04000000 #define PVR0_USE_ICACHE_MASK 0x02000000 #define PVR0_USE_DCACHE_MASK 0x01000000 -#define PVR0_USE_MMU 0x00800000 /* new */ +#define PVR0_USE_MMU 0x00800000 +#define PVR0_USE_BTC 0x00400000 +#define PVR0_ENDI 0x00200000 #define PVR0_VERSION_MASK 0x0000FF00 #define PVR0_USER1_MASK 0x000000FF @@ -38,17 +40,17 @@ struct pvr_s { #define PVR1_USER2_MASK 0xFFFFFFFF /* Configuration PVR masks */ -#define PVR2_D_OPB_MASK 0x80000000 +#define PVR2_D_OPB_MASK 0x80000000 /* or AXI */ #define PVR2_D_LMB_MASK 0x40000000 -#define PVR2_I_OPB_MASK 0x20000000 +#define PVR2_I_OPB_MASK 0x20000000 /* or AXI */ #define PVR2_I_LMB_MASK 0x10000000 #define PVR2_INTERRUPT_IS_EDGE_MASK 0x08000000 #define PVR2_EDGE_IS_POSITIVE_MASK 0x04000000 -#define PVR2_D_PLB_MASK 0x02000000 /* new */ -#define PVR2_I_PLB_MASK 0x01000000 /* new */ -#define PVR2_INTERCONNECT 0x00800000 /* new */ -#define PVR2_USE_EXTEND_FSL 0x00080000 /* new */ -#define PVR2_USE_FSL_EXC 0x00040000 /* new */ +#define PVR2_D_PLB_MASK 0x02000000 /* new */ +#define PVR2_I_PLB_MASK 0x01000000 /* new */ +#define PVR2_INTERCONNECT 0x00800000 /* new */ +#define PVR2_USE_EXTEND_FSL 0x00080000 /* new */ +#define PVR2_USE_FSL_EXC 0x00040000 /* new */ #define PVR2_USE_MSR_INSTR 0x00020000 #define PVR2_USE_PCMP_INSTR 0x00010000 #define PVR2_AREA_OPTIMISED 0x00008000 @@ -57,14 +59,14 @@ struct pvr_s { #define PVR2_USE_HW_MUL_MASK 0x00001000 #define PVR2_USE_FPU_MASK 0x00000800 #define PVR2_USE_MUL64_MASK 0x00000400 -#define PVR2_USE_FPU2_MASK 0x00000200 /* new */ +#define PVR2_USE_FPU2_MASK 0x00000200 /* new */ #define PVR2_USE_IPLBEXC 0x00000100 #define PVR2_USE_DPLBEXC 0x00000080 #define PVR2_OPCODE_0x0_ILL_MASK 0x00000040 #define PVR2_UNALIGNED_EXC_MASK 0x00000020 #define PVR2_ILL_OPCODE_EXC_MASK 0x00000010 -#define PVR2_IOPB_BUS_EXC_MASK 0x00000008 -#define PVR2_DOPB_BUS_EXC_MASK 0x00000004 +#define PVR2_IOPB_BUS_EXC_MASK 0x00000008 /* or AXI */ +#define PVR2_DOPB_BUS_EXC_MASK 0x00000004 /* or AXI */ #define PVR2_DIV_ZERO_EXC_MASK 0x00000002 #define PVR2_FPU_EXC_MASK 0x00000001 @@ -76,20 +78,23 @@ struct pvr_s { #define PVR3_FSL_LINKS_MASK 0x00000380 /* ICache config PVR masks */ -#define PVR4_USE_ICACHE_MASK 0x80000000 -#define PVR4_ICACHE_ADDR_TAG_BITS_MASK 0x7C000000 -#define PVR4_ICACHE_USE_FSL_MASK 0x02000000 -#define PVR4_ICACHE_ALLOW_WR_MASK 0x01000000 -#define PVR4_ICACHE_LINE_LEN_MASK 0x00E00000 -#define PVR4_ICACHE_BYTE_SIZE_MASK 0x001F0000 +#define PVR4_USE_ICACHE_MASK 0x80000000 /* ICU */ +#define PVR4_ICACHE_ADDR_TAG_BITS_MASK 0x7C000000 /* ICTS */ +#define PVR4_ICACHE_ALLOW_WR_MASK 0x01000000 /* ICW */ +#define PVR4_ICACHE_LINE_LEN_MASK 0x00E00000 /* ICLL */ +#define PVR4_ICACHE_BYTE_SIZE_MASK 0x001F0000 /* ICBS */ +#define PVR4_ICACHE_ALWAYS_USED 0x00008000 /* IAU */ +#define PVR4_ICACHE_INTERFACE 0x00002000 /* ICI */ /* DCache config PVR masks */ -#define PVR5_USE_DCACHE_MASK 0x80000000 -#define PVR5_DCACHE_ADDR_TAG_BITS_MASK 0x7C000000 -#define PVR5_DCACHE_USE_FSL_MASK 0x02000000 -#define PVR5_DCACHE_ALLOW_WR_MASK 0x01000000 -#define PVR5_DCACHE_LINE_LEN_MASK 0x00E00000 -#define PVR5_DCACHE_BYTE_SIZE_MASK 0x001F0000 +#define PVR5_USE_DCACHE_MASK 0x80000000 /* DCU */ +#define PVR5_DCACHE_ADDR_TAG_BITS_MASK 0x7C000000 /* DCTS */ +#define PVR5_DCACHE_ALLOW_WR_MASK 0x01000000 /* DCW */ +#define PVR5_DCACHE_LINE_LEN_MASK 0x00E00000 /* DCLL */ +#define PVR5_DCACHE_BYTE_SIZE_MASK 0x001F0000 /* DCBS */ +#define PVR5_DCACHE_ALWAYS_USED 0x00008000 /* DAU */ +#define PVR5_DCACHE_USE_WRITEBACK 0x00004000 /* DWB */ +#define PVR5_DCACHE_INTERFACE 0x00002000 /* DCI */ /* ICache base address PVR mask */ #define PVR6_ICACHE_BASEADDR_MASK 0xFFFFFFFF @@ -106,102 +111,115 @@ struct pvr_s { /* Target family PVR mask */ #define PVR10_TARGET_FAMILY_MASK 0xFF000000 -/* MMU descrtiption */ +/* MMU description */ #define PVR11_USE_MMU 0xC0000000 #define PVR11_MMU_ITLB_SIZE 0x38000000 #define PVR11_MMU_DTLB_SIZE 0x07000000 #define PVR11_MMU_TLB_ACCESS 0x00C00000 #define PVR11_MMU_ZONES 0x003C0000 +#define PVR11_MMU_PRIVINS 0x00010000 /* MSR Reset value PVR mask */ #define PVR11_MSR_RESET_VALUE_MASK 0x000007FF - /* PVR access macros */ -#define PVR_IS_FULL(pvr) (pvr.pvr[0] & PVR0_PVR_FULL_MASK) -#define PVR_USE_BARREL(pvr) (pvr.pvr[0] & PVR0_USE_BARREL_MASK) -#define PVR_USE_DIV(pvr) (pvr.pvr[0] & PVR0_USE_DIV_MASK) -#define PVR_USE_HW_MUL(pvr) (pvr.pvr[0] & PVR0_USE_HW_MUL_MASK) -#define PVR_USE_FPU(pvr) (pvr.pvr[0] & PVR0_USE_FPU_MASK) -#define PVR_USE_FPU2(pvr) (pvr.pvr[2] & PVR2_USE_FPU2_MASK) -#define PVR_USE_ICACHE(pvr) (pvr.pvr[0] & PVR0_USE_ICACHE_MASK) -#define PVR_USE_DCACHE(pvr) (pvr.pvr[0] & PVR0_USE_DCACHE_MASK) -#define PVR_VERSION(pvr) ((pvr.pvr[0] & PVR0_VERSION_MASK) >> 8) -#define PVR_USER1(pvr) (pvr.pvr[0] & PVR0_USER1_MASK) -#define PVR_USER2(pvr) (pvr.pvr[1] & PVR1_USER2_MASK) - -#define PVR_D_OPB(pvr) (pvr.pvr[2] & PVR2_D_OPB_MASK) -#define PVR_D_LMB(pvr) (pvr.pvr[2] & PVR2_D_LMB_MASK) -#define PVR_I_OPB(pvr) (pvr.pvr[2] & PVR2_I_OPB_MASK) -#define PVR_I_LMB(pvr) (pvr.pvr[2] & PVR2_I_LMB_MASK) -#define PVR_INTERRUPT_IS_EDGE(pvr) \ - (pvr.pvr[2] & PVR2_INTERRUPT_IS_EDGE_MASK) -#define PVR_EDGE_IS_POSITIVE(pvr) \ - (pvr.pvr[2] & PVR2_EDGE_IS_POSITIVE_MASK) -#define PVR_USE_MSR_INSTR(pvr) (pvr.pvr[2] & PVR2_USE_MSR_INSTR) -#define PVR_USE_PCMP_INSTR(pvr) (pvr.pvr[2] & PVR2_USE_PCMP_INSTR) -#define PVR_AREA_OPTIMISED(pvr) (pvr.pvr[2] & PVR2_AREA_OPTIMISED) -#define PVR_USE_MUL64(pvr) (pvr.pvr[2] & PVR2_USE_MUL64_MASK) -#define PVR_OPCODE_0x0_ILLEGAL(pvr) \ - (pvr.pvr[2] & PVR2_OPCODE_0x0_ILL_MASK) -#define PVR_UNALIGNED_EXCEPTION(pvr) \ - (pvr.pvr[2] & PVR2_UNALIGNED_EXC_MASK) -#define PVR_ILL_OPCODE_EXCEPTION(pvr) \ - (pvr.pvr[2] & PVR2_ILL_OPCODE_EXC_MASK) -#define PVR_IOPB_BUS_EXCEPTION(pvr) \ - (pvr.pvr[2] & PVR2_IOPB_BUS_EXC_MASK) -#define PVR_DOPB_BUS_EXCEPTION(pvr) \ - (pvr.pvr[2] & PVR2_DOPB_BUS_EXC_MASK) -#define PVR_DIV_ZERO_EXCEPTION(pvr) \ - (pvr.pvr[2] & PVR2_DIV_ZERO_EXC_MASK) -#define PVR_FPU_EXCEPTION(pvr) (pvr.pvr[2] & PVR2_FPU_EXC_MASK) -#define PVR_FSL_EXCEPTION(pvr) (pvr.pvr[2] & PVR2_USE_EXTEND_FSL) - -#define PVR_DEBUG_ENABLED(pvr) (pvr.pvr[3] & PVR3_DEBUG_ENABLED_MASK) -#define PVR_NUMBER_OF_PC_BRK(pvr) \ - ((pvr.pvr[3] & PVR3_NUMBER_OF_PC_BRK_MASK) >> 25) -#define PVR_NUMBER_OF_RD_ADDR_BRK(pvr) \ - ((pvr.pvr[3] & PVR3_NUMBER_OF_RD_ADDR_BRK_MASK) >> 19) -#define PVR_NUMBER_OF_WR_ADDR_BRK(pvr) \ - ((pvr.pvr[3] & PVR3_NUMBER_OF_WR_ADDR_BRK_MASK) >> 13) -#define PVR_FSL_LINKS(pvr) ((pvr.pvr[3] & PVR3_FSL_LINKS_MASK) >> 7) - -#define PVR_ICACHE_ADDR_TAG_BITS(pvr) \ - ((pvr.pvr[4] & PVR4_ICACHE_ADDR_TAG_BITS_MASK) >> 26) -#define PVR_ICACHE_USE_FSL(pvr) (pvr.pvr[4] & PVR4_ICACHE_USE_FSL_MASK) -#define PVR_ICACHE_ALLOW_WR(pvr) (pvr.pvr[4] & PVR4_ICACHE_ALLOW_WR_MASK) -#define PVR_ICACHE_LINE_LEN(pvr) \ - (1 << ((pvr.pvr[4] & PVR4_ICACHE_LINE_LEN_MASK) >> 21)) -#define PVR_ICACHE_BYTE_SIZE(pvr) \ - (1 << ((pvr.pvr[4] & PVR4_ICACHE_BYTE_SIZE_MASK) >> 16)) - -#define PVR_DCACHE_ADDR_TAG_BITS(pvr) \ - ((pvr.pvr[5] & PVR5_DCACHE_ADDR_TAG_BITS_MASK) >> 26) -#define PVR_DCACHE_USE_FSL(pvr) (pvr.pvr[5] & PVR5_DCACHE_USE_FSL_MASK) -#define PVR_DCACHE_ALLOW_WR(pvr) (pvr.pvr[5] & PVR5_DCACHE_ALLOW_WR_MASK) -#define PVR_DCACHE_LINE_LEN(pvr) \ - (1 << ((pvr.pvr[5] & PVR5_DCACHE_LINE_LEN_MASK) >> 21)) -#define PVR_DCACHE_BYTE_SIZE(pvr) \ - (1 << ((pvr.pvr[5] & PVR5_DCACHE_BYTE_SIZE_MASK) >> 16)) - - -#define PVR_ICACHE_BASEADDR(pvr) (pvr.pvr[6] & PVR6_ICACHE_BASEADDR_MASK) -#define PVR_ICACHE_HIGHADDR(pvr) (pvr.pvr[7] & PVR7_ICACHE_HIGHADDR_MASK) - -#define PVR_DCACHE_BASEADDR(pvr) (pvr.pvr[8] & PVR8_DCACHE_BASEADDR_MASK) -#define PVR_DCACHE_HIGHADDR(pvr) (pvr.pvr[9] & PVR9_DCACHE_HIGHADDR_MASK) - -#define PVR_TARGET_FAMILY(pvr) ((pvr.pvr[10] & PVR10_TARGET_FAMILY_MASK) >> 24) - -#define PVR_MSR_RESET_VALUE(pvr) \ - (pvr.pvr[11] & PVR11_MSR_RESET_VALUE_MASK) +#define PVR_IS_FULL(_pvr) (_pvr.pvr[0] & PVR0_PVR_FULL_MASK) +#define PVR_USE_BARREL(_pvr) (_pvr.pvr[0] & PVR0_USE_BARREL_MASK) +#define PVR_USE_DIV(_pvr) (_pvr.pvr[0] & PVR0_USE_DIV_MASK) +#define PVR_USE_HW_MUL(_pvr) (_pvr.pvr[0] & PVR0_USE_HW_MUL_MASK) +#define PVR_USE_FPU(_pvr) (_pvr.pvr[0] & PVR0_USE_FPU_MASK) +#define PVR_USE_FPU2(_pvr) (_pvr.pvr[2] & PVR2_USE_FPU2_MASK) +#define PVR_USE_ICACHE(_pvr) (_pvr.pvr[0] & PVR0_USE_ICACHE_MASK) +#define PVR_USE_DCACHE(_pvr) (_pvr.pvr[0] & PVR0_USE_DCACHE_MASK) +#define PVR_VERSION(_pvr) ((_pvr.pvr[0] & PVR0_VERSION_MASK) >> 8) +#define PVR_USER1(_pvr) (_pvr.pvr[0] & PVR0_USER1_MASK) +#define PVR_USER2(_pvr) (_pvr.pvr[1] & PVR1_USER2_MASK) + +#define PVR_D_OPB(_pvr) (_pvr.pvr[2] & PVR2_D_OPB_MASK) +#define PVR_D_LMB(_pvr) (_pvr.pvr[2] & PVR2_D_LMB_MASK) +#define PVR_I_OPB(_pvr) (_pvr.pvr[2] & PVR2_I_OPB_MASK) +#define PVR_I_LMB(_pvr) (_pvr.pvr[2] & PVR2_I_LMB_MASK) +#define PVR_INTERRUPT_IS_EDGE(_pvr) \ + (_pvr.pvr[2] & PVR2_INTERRUPT_IS_EDGE_MASK) +#define PVR_EDGE_IS_POSITIVE(_pvr) \ + (_pvr.pvr[2] & PVR2_EDGE_IS_POSITIVE_MASK) +#define PVR_USE_MSR_INSTR(_pvr) (_pvr.pvr[2] & PVR2_USE_MSR_INSTR) +#define PVR_USE_PCMP_INSTR(_pvr) (_pvr.pvr[2] & PVR2_USE_PCMP_INSTR) +#define PVR_AREA_OPTIMISED(_pvr) (_pvr.pvr[2] & PVR2_AREA_OPTIMISED) +#define PVR_USE_MUL64(_pvr) (_pvr.pvr[2] & PVR2_USE_MUL64_MASK) +#define PVR_OPCODE_0x0_ILLEGAL(_pvr) \ + (_pvr.pvr[2] & PVR2_OPCODE_0x0_ILL_MASK) +#define PVR_UNALIGNED_EXCEPTION(_pvr) \ + (_pvr.pvr[2] & PVR2_UNALIGNED_EXC_MASK) +#define PVR_ILL_OPCODE_EXCEPTION(_pvr) \ + (_pvr.pvr[2] & PVR2_ILL_OPCODE_EXC_MASK) +#define PVR_IOPB_BUS_EXCEPTION(_pvr) \ + (_pvr.pvr[2] & PVR2_IOPB_BUS_EXC_MASK) +#define PVR_DOPB_BUS_EXCEPTION(_pvr) \ + (_pvr.pvr[2] & PVR2_DOPB_BUS_EXC_MASK) +#define PVR_DIV_ZERO_EXCEPTION(_pvr) \ + (_pvr.pvr[2] & PVR2_DIV_ZERO_EXC_MASK) +#define PVR_FPU_EXCEPTION(_pvr) (_pvr.pvr[2] & PVR2_FPU_EXC_MASK) +#define PVR_FSL_EXCEPTION(_pvr) (_pvr.pvr[2] & PVR2_USE_EXTEND_FSL) + +#define PVR_DEBUG_ENABLED(_pvr) (_pvr.pvr[3] & PVR3_DEBUG_ENABLED_MASK) +#define PVR_NUMBER_OF_PC_BRK(_pvr) \ + ((_pvr.pvr[3] & PVR3_NUMBER_OF_PC_BRK_MASK) >> 25) +#define PVR_NUMBER_OF_RD_ADDR_BRK(_pvr) \ + ((_pvr.pvr[3] & PVR3_NUMBER_OF_RD_ADDR_BRK_MASK) >> 19) +#define PVR_NUMBER_OF_WR_ADDR_BRK(_pvr) \ + ((_pvr.pvr[3] & PVR3_NUMBER_OF_WR_ADDR_BRK_MASK) >> 13) +#define PVR_FSL_LINKS(_pvr) ((_pvr.pvr[3] & PVR3_FSL_LINKS_MASK) >> 7) + +#define PVR_ICACHE_ADDR_TAG_BITS(_pvr) \ + ((_pvr.pvr[4] & PVR4_ICACHE_ADDR_TAG_BITS_MASK) >> 26) +#define PVR_ICACHE_USE_FSL(_pvr) \ + (_pvr.pvr[4] & PVR4_ICACHE_USE_FSL_MASK) +#define PVR_ICACHE_ALLOW_WR(_pvr) \ + (_pvr.pvr[4] & PVR4_ICACHE_ALLOW_WR_MASK) +#define PVR_ICACHE_LINE_LEN(_pvr) \ + (1 << ((_pvr.pvr[4] & PVR4_ICACHE_LINE_LEN_MASK) >> 21)) +#define PVR_ICACHE_BYTE_SIZE(_pvr) \ + (1 << ((_pvr.pvr[4] & PVR4_ICACHE_BYTE_SIZE_MASK) >> 16)) + +#define PVR_DCACHE_ADDR_TAG_BITS(_pvr) \ + ((_pvr.pvr[5] & PVR5_DCACHE_ADDR_TAG_BITS_MASK) >> 26) +#define PVR_DCACHE_USE_FSL(_pvr) (_pvr.pvr[5] & PVR5_DCACHE_USE_FSL_MASK) +#define PVR_DCACHE_ALLOW_WR(_pvr) \ + (_pvr.pvr[5] & PVR5_DCACHE_ALLOW_WR_MASK) +/* FIXME two shifts on one line needs any comment */ +#define PVR_DCACHE_LINE_LEN(_pvr) \ + (1 << ((_pvr.pvr[5] & PVR5_DCACHE_LINE_LEN_MASK) >> 21)) +#define PVR_DCACHE_BYTE_SIZE(_pvr) \ + (1 << ((_pvr.pvr[5] & PVR5_DCACHE_BYTE_SIZE_MASK) >> 16)) + +#define PVR_DCACHE_USE_WRITEBACK(_pvr) \ + ((_pvr.pvr[5] & PVR5_DCACHE_USE_WRITEBACK) >> 14) + +#define PVR_ICACHE_BASEADDR(_pvr) \ + (_pvr.pvr[6] & PVR6_ICACHE_BASEADDR_MASK) +#define PVR_ICACHE_HIGHADDR(_pvr) \ + (_pvr.pvr[7] & PVR7_ICACHE_HIGHADDR_MASK) +#define PVR_DCACHE_BASEADDR(_pvr) \ + (_pvr.pvr[8] & PVR8_DCACHE_BASEADDR_MASK) +#define PVR_DCACHE_HIGHADDR(_pvr) \ + (_pvr.pvr[9] & PVR9_DCACHE_HIGHADDR_MASK) + +#define PVR_TARGET_FAMILY(_pvr) \ + ((_pvr.pvr[10] & PVR10_TARGET_FAMILY_MASK) >> 24) + +#define PVR_MSR_RESET_VALUE(_pvr) \ + (_pvr.pvr[11] & PVR11_MSR_RESET_VALUE_MASK) /* mmu */ -#define PVR_USE_MMU(pvr) ((pvr.pvr[11] & PVR11_USE_MMU) >> 30) -#define PVR_MMU_ITLB_SIZE(pvr) (pvr.pvr[11] & PVR11_MMU_ITLB_SIZE) -#define PVR_MMU_DTLB_SIZE(pvr) (pvr.pvr[11] & PVR11_MMU_DTLB_SIZE) -#define PVR_MMU_TLB_ACCESS(pvr) (pvr.pvr[11] & PVR11_MMU_TLB_ACCESS) -#define PVR_MMU_ZONES(pvr) (pvr.pvr[11] & PVR11_MMU_ZONES) - +#define PVR_USE_MMU(_pvr) ((_pvr.pvr[11] & PVR11_USE_MMU) >> 30) +#define PVR_MMU_ITLB_SIZE(_pvr) (_pvr.pvr[11] & PVR11_MMU_ITLB_SIZE) +#define PVR_MMU_DTLB_SIZE(_pvr) (_pvr.pvr[11] & PVR11_MMU_DTLB_SIZE) +#define PVR_MMU_TLB_ACCESS(_pvr) (_pvr.pvr[11] & PVR11_MMU_TLB_ACCESS) +#define PVR_MMU_ZONES(_pvr) (_pvr.pvr[11] & PVR11_MMU_ZONES) +#define PVR_MMU_PRIVINS(pvr) (pvr.pvr[11] & PVR11_MMU_PRIVINS) + +/* endian */ +#define PVR_ENDIAN(_pvr) (_pvr.pvr[0] & PVR0_ENDI) int cpu_has_pvr(void); void get_pvr(struct pvr_s *pvr); diff --git a/arch/microblaze/include/asm/registers.h b/arch/microblaze/include/asm/registers.h index 834142d9356..68c3afb7387 100644 --- a/arch/microblaze/include/asm/registers.h +++ b/arch/microblaze/include/asm/registers.h @@ -1,6 +1,6 @@ /* - * Copyright (C) 2008 Michal Simek - * Copyright (C) 2008 PetaLogix + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -30,4 +30,21 @@ #define FSR_UF (1<<1) /* Underflow */ #define FSR_DO (1<<0) /* Denormalized operand error */ +# ifdef CONFIG_MMU +/* Machine State Register (MSR) Fields */ +# define MSR_UM (1<<11) /* User Mode */ +# define MSR_UMS (1<<12) /* User Mode Save */ +# define MSR_VM (1<<13) /* Virtual Mode */ +# define MSR_VMS (1<<14) /* Virtual Mode Save */ + +# define MSR_KERNEL (MSR_EE | MSR_VM) +/* # define MSR_USER (MSR_KERNEL | MSR_UM | MSR_IE) */ +# define MSR_KERNEL_VMS (MSR_EE | MSR_VMS) +/* # define MSR_USER_VMS (MSR_KERNEL_VMS | MSR_UMS | MSR_IE) */ + +/* Exception State Register (ESR) Fields */ +# define ESR_DIZ (1<<11) /* Zone Protection */ +# define ESR_S (1<<10) /* Store instruction */ + +# endif /* CONFIG_MMU */ #endif /* _ASM_MICROBLAZE_REGISTERS_H */ diff --git a/arch/microblaze/include/asm/scatterlist.h b/arch/microblaze/include/asm/scatterlist.h index 08ff1d049b4..35d786fe93a 100644 --- a/arch/microblaze/include/asm/scatterlist.h +++ b/arch/microblaze/include/asm/scatterlist.h @@ -1,28 +1 @@ -/* - * Copyright (C) 2008 Michal Simek <monstr@monstr.eu> - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SCATTERLIST_H -#define _ASM_MICROBLAZE_SCATTERLIST_H - -struct scatterlist { -#ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; -#endif - unsigned long page_link; - dma_addr_t dma_address; - unsigned int offset; - unsigned int length; -}; - -#define sg_dma_address(sg) ((sg)->dma_address) -#define sg_dma_len(sg) ((sg)->length) - -#define ISA_DMA_THRESHOLD (~0UL) - -#endif /* _ASM_MICROBLAZE_SCATTERLIST_H */ +#include <asm-generic/scatterlist.h> diff --git a/arch/microblaze/include/asm/seccomp.h b/arch/microblaze/include/asm/seccomp.h new file mode 100644 index 00000000000..0d912758a0d --- /dev/null +++ b/arch/microblaze/include/asm/seccomp.h @@ -0,0 +1,16 @@ +#ifndef _ASM_MICROBLAZE_SECCOMP_H +#define _ASM_MICROBLAZE_SECCOMP_H + +#include <linux/unistd.h> + +#define __NR_seccomp_read __NR_read +#define __NR_seccomp_write __NR_write +#define __NR_seccomp_exit __NR_exit +#define __NR_seccomp_sigreturn __NR_sigreturn + +#define __NR_seccomp_read_32 __NR_read +#define __NR_seccomp_write_32 __NR_write +#define __NR_seccomp_exit_32 __NR_exit +#define __NR_seccomp_sigreturn_32 __NR_sigreturn + +#endif /* _ASM_MICROBLAZE_SECCOMP_H */ diff --git a/arch/microblaze/include/asm/sections.h b/arch/microblaze/include/asm/sections.h index 8434a43e542..1b281d3ea73 100644 --- a/arch/microblaze/include/asm/sections.h +++ b/arch/microblaze/include/asm/sections.h @@ -1,4 +1,6 @@ /* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -15,10 +17,6 @@ extern char _ssbss[], _esbss[]; extern unsigned long __ivt_start[], __ivt_end[]; -# ifdef CONFIG_MTD_UCLINUX -extern char *_ebss; -# endif - extern u32 _fdt_start[], _fdt_end[]; # endif /* !__ASSEMBLY__ */ diff --git a/arch/microblaze/include/asm/segment.h b/arch/microblaze/include/asm/segment.h deleted file mode 100644 index 7f5dcc56eea..00000000000 --- a/arch/microblaze/include/asm/segment.h +++ /dev/null @@ -1,43 +0,0 @@ -/* - * Copyright (C) 2008 Michal Simek - * Copyright (C) 2008 PetaLogix - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SEGMENT_H -#define _ASM_MICROBLAZE_SEGMENT_H - -#ifndef __ASSEMBLY__ - -typedef struct { - unsigned long seg; -} mm_segment_t; - -/* - * On Microblaze the fs value is actually the top of the corresponding - * address space. - * - * The fs value determines whether argument validity checking should be - * performed or not. If get_fs() == USER_DS, checking is performed, with - * get_fs() == KERNEL_DS, checking is bypassed. - * - * For historical reasons, these macros are grossly misnamed. - * - * For non-MMU arch like Microblaze, KERNEL_DS and USER_DS is equal. - */ -# define KERNEL_DS ((mm_segment_t){0}) -# define USER_DS KERNEL_DS - -# define get_ds() (KERNEL_DS) -# define get_fs() (current_thread_info()->addr_limit) -# define set_fs(x) \ - do { current_thread_info()->addr_limit = (x); } while (0) - -# define segment_eq(a, b) ((a).seg == (b).seg) - -# endif /* __ASSEMBLY__ */ -#endif /* _ASM_MICROBLAZE_SEGMENT_H */ diff --git a/arch/microblaze/include/asm/selfmod.h b/arch/microblaze/include/asm/selfmod.h deleted file mode 100644 index c42aff2e6cd..00000000000 --- a/arch/microblaze/include/asm/selfmod.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * Copyright (C) 2007-2008 Michal Simek <monstr@monstr.eu> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SELFMOD_H -#define _ASM_MICROBLAZE_SELFMOD_H - -/* - * BARRIER_BASE_ADDR is constant address for selfmod function. - * do not change this value - selfmod function is in - * arch/microblaze/kernel/selfmod.c: selfmod_function() - * - * last 16 bits is used for storing register offset - */ - -#define BARRIER_BASE_ADDR 0x1234ff00 - -void selfmod_function(const int *arr_fce, const unsigned int base); - -#endif /* _ASM_MICROBLAZE_SELFMOD_H */ diff --git a/arch/microblaze/include/asm/sembuf.h b/arch/microblaze/include/asm/sembuf.h deleted file mode 100644 index b804ed71a57..00000000000 --- a/arch/microblaze/include/asm/sembuf.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SEMBUF_H -#define _ASM_MICROBLAZE_SEMBUF_H - -/* - * The semid64_ds structure for microblaze architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -struct semid64_ds { - struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ - __kernel_time_t sem_otime; /* last semop time */ - unsigned long __unused1; - __kernel_time_t sem_ctime; /* last change time */ - unsigned long __unused2; - unsigned long sem_nsems; /* no. of semaphores in array */ - unsigned long __unused3; - unsigned long __unused4; -}; - - -#endif /* _ASM_MICROBLAZE_SEMBUF_H */ diff --git a/arch/microblaze/include/asm/serial.h b/arch/microblaze/include/asm/serial.h index 39bfc8ce6af..a0cb0caff15 100644 --- a/arch/microblaze/include/asm/serial.h +++ b/arch/microblaze/include/asm/serial.h @@ -1,14 +1 @@ -/* - * Copyright (C) 2009 Michal Simek <monstr@monstr.eu> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SERIAL_H -#define _ASM_MICROBLAZE_SERIAL_H - -# define BASE_BAUD (1843200 / 16) - -#endif /* _ASM_MICROBLAZE_SERIAL_H */ +#include <asm-generic/serial.h> diff --git a/arch/microblaze/include/asm/setup.h b/arch/microblaze/include/asm/setup.h index 9b98e8e6aba..be84a4d3917 100644 --- a/arch/microblaze/include/asm/setup.h +++ b/arch/microblaze/include/asm/setup.h @@ -1,44 +1,51 @@ /* - * Copyright (C) 2007-2008 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2007-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ - #ifndef _ASM_MICROBLAZE_SETUP_H #define _ASM_MICROBLAZE_SETUP_H -#define COMMAND_LINE_SIZE 256 +#include <uapi/asm/setup.h> # ifndef __ASSEMBLY__ - -# ifdef __KERNEL__ extern unsigned int boot_cpuid; /* move to smp.h */ extern char cmd_line[COMMAND_LINE_SIZE]; -# endif/* __KERNEL__ */ -void early_printk(const char *fmt, ...); +extern char *klimit; int setup_early_printk(char *opt); +void remap_early_printk(void); void disable_early_printk(void); -void heartbeat(void); -void setup_heartbeat(void); +void microblaze_heartbeat(void); +void microblaze_setup_heartbeat(void); -unsigned long long sched_clock(void); +# ifdef CONFIG_MMU +extern void mmu_reset(void); +extern void early_console_reg_tlb_alloc(unsigned int addr); +# endif /* CONFIG_MMU */ + +extern void of_platform_reset_gpio_probe(void); void time_init(void); void init_IRQ(void); void machine_early_init(const char *cmdline, unsigned int ram, - unsigned int fdt); + unsigned int fdt, unsigned int msr, unsigned int tlb0, + unsigned int tlb1); void machine_restart(char *cmd); void machine_shutdown(void); void machine_halt(void); void machine_power_off(void); +extern void *alloc_maybe_bootmem(size_t size, gfp_t mask); +extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask); + # endif /* __ASSEMBLY__ */ #endif /* _ASM_MICROBLAZE_SETUP_H */ diff --git a/arch/microblaze/include/asm/shmbuf.h b/arch/microblaze/include/asm/shmbuf.h deleted file mode 100644 index f829c584361..00000000000 --- a/arch/microblaze/include/asm/shmbuf.h +++ /dev/null @@ -1,42 +0,0 @@ -#ifndef _ASM_MICROBLAZE_SHMBUF_H -#define _ASM_MICROBLAZE_SHMBUF_H - -/* - * The shmid64_ds structure for microblaze architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -struct shmid64_ds { - struct ipc64_perm shm_perm; /* operation perms */ - size_t shm_segsz; /* size of segment (bytes) */ - __kernel_time_t shm_atime; /* last attach time */ - unsigned long __unused1; - __kernel_time_t shm_dtime; /* last detach time */ - unsigned long __unused2; - __kernel_time_t shm_ctime; /* last change time */ - unsigned long __unused3; - __kernel_pid_t shm_cpid; /* pid of creator */ - __kernel_pid_t shm_lpid; /* pid of last operator */ - unsigned long shm_nattch; /* no. of current attaches */ - unsigned long __unused4; - unsigned long __unused5; -}; - -struct shminfo64 { - unsigned long shmmax; - unsigned long shmmin; - unsigned long shmmni; - unsigned long shmseg; - unsigned long shmall; - unsigned long __unused1; - unsigned long __unused2; - unsigned long __unused3; - unsigned long __unused4; -}; - -#endif /* _ASM_MICROBLAZE_SHMBUF_H */ diff --git a/arch/microblaze/include/asm/shmparam.h b/arch/microblaze/include/asm/shmparam.h index 9f5fc2b3b6a..93f30deb95d 100644 --- a/arch/microblaze/include/asm/shmparam.h +++ b/arch/microblaze/include/asm/shmparam.h @@ -1,6 +1 @@ -#ifndef _ASM_MICROBLAZE_SHMPARAM_H -#define _ASM_MICROBLAZE_SHMPARAM_H - -#define SHMLBA PAGE_SIZE /* attach addr a multiple of this */ - -#endif /* _ASM_MICROBLAZE_SHMPARAM_H */ +#include <asm-generic/shmparam.h> diff --git a/arch/microblaze/include/asm/siginfo.h b/arch/microblaze/include/asm/siginfo.h deleted file mode 100644 index f162911a8f5..00000000000 --- a/arch/microblaze/include/asm/siginfo.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SIGINFO_H -#define _ASM_MICROBLAZE_SIGINFO_H - -#include <linux/types.h> -#include <asm-generic/siginfo.h> - -#endif /* _ASM_MICROBLAZE_SIGINFO_H */ diff --git a/arch/microblaze/include/asm/signal.h b/arch/microblaze/include/asm/signal.h deleted file mode 100644 index 9676fad3486..00000000000 --- a/arch/microblaze/include/asm/signal.h +++ /dev/null @@ -1,165 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * Yasushi SHOJI <yashi@atmark-techno.com> - * Tetsuya OHKAWA <tetsuya@atmark-techno.com> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SIGNAL_H -#define _ASM_MICROBLAZE_SIGNAL_H - -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 -#define SIGBUS 7 -#define SIGFPE 8 -#define SIGKILL 9 -#define SIGUSR1 10 -#define SIGSEGV 11 -#define SIGUSR2 12 -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGSTKFLT 16 -#define SIGCHLD 17 -#define SIGCONT 18 -#define SIGSTOP 19 -#define SIGTSTP 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGURG 23 -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGIO 29 -#define SIGPOLL SIGIO -/* -#define SIGLOST 29 -*/ -#define SIGPWR 30 -#define SIGSYS 31 -#define SIGUNUSED 31 - -/* These should not be considered constants from userland. */ -#define SIGRTMIN 32 -#define SIGRTMAX _NSIG - -/* - * SA_FLAGS values: - * - * SA_ONSTACK indicates that a registered stack_t will be used. - * SA_RESTART flag to get restarting signals (which were the default long ago) - * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. - * SA_RESETHAND clears the handler when the signal is delivered. - * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. - * SA_NODEFER prevents the current signal from being masked in the handler. - * - * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single - * Unix names RESETHAND and NODEFER respectively. - */ -#define SA_NOCLDSTOP 0x00000001 -#define SA_NOCLDWAIT 0x00000002 -#define SA_SIGINFO 0x00000004 -#define SA_ONSTACK 0x08000000 -#define SA_RESTART 0x10000000 -#define SA_NODEFER 0x40000000 -#define SA_RESETHAND 0x80000000 - -#define SA_NOMASK SA_NODEFER -#define SA_ONESHOT SA_RESETHAND - -#define SA_RESTORER 0x04000000 - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 2048 -#define SIGSTKSZ 8192 - -# ifndef __ASSEMBLY__ -# include <linux/types.h> -# include <asm-generic/signal.h> - -/* Avoid too many header ordering problems. */ -struct siginfo; - -# ifdef __KERNEL__ -/* - * Most things should be clean enough to redefine this at will, if care - * is taken to make libc match. - */ -# define _NSIG 64 -# define _NSIG_BPW 32 -# define _NSIG_WORDS (_NSIG / _NSIG_BPW) - -typedef unsigned long old_sigset_t; /* at least 32 bits */ - -typedef struct { - unsigned long sig[_NSIG_WORDS]; -} sigset_t; - -struct old_sigaction { - __sighandler_t sa_handler; - old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -struct sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - void (*sa_restorer)(void); - sigset_t sa_mask; /* mask last for extensibility */ -}; - -struct k_sigaction { - struct sigaction sa; -}; - -# include <asm/sigcontext.h> -# undef __HAVE_ARCH_SIG_BITOPS - -# define ptrace_signal_deliver(regs, cookie) do { } while (0) - -# else /* !__KERNEL__ */ - -/* Here we must cater to libcs that poke about in kernel headers. */ - -# define NSIG 32 -typedef unsigned long sigset_t; - -struct sigaction { - union { - __sighandler_t _sa_handler; - void (*_sa_sigaction)(int, struct siginfo *, void *); - } _u; - sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -# define sa_handler _u._sa_handler -# define sa_sigaction _u._sa_sigaction - -# endif /* __KERNEL__ */ - -typedef struct sigaltstack { - void *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -# endif /* __ASSEMBLY__ */ -#endif /* _ASM_MICROBLAZE_SIGNAL_H */ diff --git a/arch/microblaze/include/asm/socket.h b/arch/microblaze/include/asm/socket.h deleted file mode 100644 index 82593686031..00000000000 --- a/arch/microblaze/include/asm/socket.h +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SOCKET_H -#define _ASM_MICROBLAZE_SOCKET_H - -#include <asm/sockios.h> - -/* For setsockoptions(2) */ -#define SOL_SOCKET 1 - -#define SO_DEBUG 1 -#define SO_REUSEADDR 2 -#define SO_TYPE 3 -#define SO_ERROR 4 -#define SO_DONTROUTE 5 -#define SO_BROADCAST 6 -#define SO_SNDBUF 7 -#define SO_RCVBUF 8 -#define SO_SNDBUFFORCE 32 -#define SO_RCVBUFFORCE 33 -#define SO_KEEPALIVE 9 -#define SO_OOBINLINE 10 -#define SO_NO_CHECK 11 -#define SO_PRIORITY 12 -#define SO_LINGER 13 -#define SO_BSDCOMPAT 14 -/* To add :#define SO_REUSEPORT 15 */ -#define SO_PASSCRED 16 -#define SO_PEERCRED 17 -#define SO_RCVLOWAT 18 -#define SO_SNDLOWAT 19 -#define SO_RCVTIMEO 20 -#define SO_SNDTIMEO 21 - -/* Security levels - as per NRL IPv6 - don't actually do anything */ -#define SO_SECURITY_AUTHENTICATION 22 -#define SO_SECURITY_ENCRYPTION_TRANSPORT 23 -#define SO_SECURITY_ENCRYPTION_NETWORK 24 - -#define SO_BINDTODEVICE 25 - -/* Socket filtering */ -#define SO_ATTACH_FILTER 26 -#define SO_DETACH_FILTER 27 - -#define SO_PEERNAME 28 -#define SO_TIMESTAMP 29 -#define SCM_TIMESTAMP SO_TIMESTAMP - -#define SO_ACCEPTCONN 30 - -#define SO_PEERSEC 31 -#define SO_PASSSEC 34 - -#define SO_TIMESTAMPNS 35 -#define SCM_TIMESTAMPNS SO_TIMESTAMPNS - -#define SO_MARK 36 - -#define SO_TIMESTAMPING 37 -#define SCM_TIMESTAMPING SO_TIMESTAMPING - -#endif /* _ASM_MICROBLAZE_SOCKET_H */ diff --git a/arch/microblaze/include/asm/sockios.h b/arch/microblaze/include/asm/sockios.h deleted file mode 100644 index 9fff57a701e..00000000000 --- a/arch/microblaze/include/asm/sockios.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SOCKIOS_H -#define _ASM_MICROBLAZE_SOCKIOS_H - -#include <linux/ioctl.h> - -/* Socket-level I/O control calls. */ -#define FIOSETOWN 0x8901 -#define SIOCSPGRP 0x8902 -#define FIOGETOWN 0x8903 -#define SIOCGPGRP 0x8904 -#define SIOCATMARK 0x8905 -#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */ -#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */ - -#endif /* _ASM_MICROBLAZE_SOCKIOS_H */ diff --git a/arch/microblaze/include/asm/stat.h b/arch/microblaze/include/asm/stat.h deleted file mode 100644 index 5f18b8aed22..00000000000 --- a/arch/microblaze/include/asm/stat.h +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Microblaze stat structure - * - * Copyright (C) 2001,02,03 NEC Electronics Corporation - * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org> - * - * This file is subject to the terms and conditions of the GNU General - * Public License. See the file COPYING in the main directory of this - * archive for more details. - * - * Written by Miles Bader <miles@gnu.org> - */ - -#ifndef _ASM_MICROBLAZE_STAT_H -#define _ASM_MICROBLAZE_STAT_H - -#include <linux/posix_types.h> - -struct stat { - unsigned int st_dev; - unsigned long st_ino; - unsigned int st_mode; - unsigned int st_nlink; - unsigned int st_uid; - unsigned int st_gid; - unsigned int st_rdev; - unsigned long st_size; - unsigned long st_blksize; - unsigned long st_blocks; - unsigned long st_atime; - unsigned long __unused1; /* unsigned long st_atime_nsec */ - unsigned long st_mtime; - unsigned long __unused2; /* unsigned long st_mtime_nsec */ - unsigned long st_ctime; - unsigned long __unused3; /* unsigned long st_ctime_nsec */ - unsigned long __unused4; - unsigned long __unused5; -}; - -struct stat64 { - unsigned long long st_dev; - unsigned long __unused1; - - unsigned long long st_ino; - - unsigned int st_mode; - unsigned int st_nlink; - - unsigned int st_uid; - unsigned int st_gid; - - unsigned long long st_rdev; - unsigned long __unused3; - - long long st_size; - unsigned long st_blksize; - - unsigned long st_blocks; /* No. of 512-byte blocks allocated */ - unsigned long __unused4; /* future possible st_blocks high bits */ - - unsigned long st_atime; - unsigned long st_atime_nsec; - - unsigned long st_mtime; - unsigned long st_mtime_nsec; - - unsigned long st_ctime; - unsigned long st_ctime_nsec; - - unsigned long __unused8; -}; - -#endif /* _ASM_MICROBLAZE_STAT_H */ diff --git a/arch/microblaze/include/asm/string.h b/arch/microblaze/include/asm/string.h index f7728c90fc1..aec2f59298b 100644 --- a/arch/microblaze/include/asm/string.h +++ b/arch/microblaze/include/asm/string.h @@ -9,7 +9,7 @@ #ifndef _ASM_MICROBLAZE_STRING_H #define _ASM_MICROBLAZE_STRING_H -#ifndef __KERNEL__ +#ifdef __KERNEL__ #define __HAVE_ARCH_MEMSET #define __HAVE_ARCH_MEMCPY diff --git a/arch/microblaze/include/asm/swab.h b/arch/microblaze/include/asm/swab.h deleted file mode 100644 index b375d7b65ad..00000000000 --- a/arch/microblaze/include/asm/swab.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef _ASM_MICROBLAZE_SWAB_H -#define _ASM_MICROBLAZE_SWAB_H - -#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) -#define __SWAB_64_THRU_32__ -#endif - -#endif /* _ASM_MICROBLAZE_SWAB_H */ diff --git a/arch/microblaze/include/asm/switch_to.h b/arch/microblaze/include/asm/switch_to.h new file mode 100644 index 00000000000..f45baa2c5e0 --- /dev/null +++ b/arch/microblaze/include/asm/switch_to.h @@ -0,0 +1,24 @@ +/* + * Copyright (C) 2006 Atmark Techno, Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef _ASM_MICROBLAZE_SWITCH_TO_H +#define _ASM_MICROBLAZE_SWITCH_TO_H + +struct task_struct; +struct thread_info; + +extern struct task_struct *_switch_to(struct thread_info *prev, + struct thread_info *next); + +#define switch_to(prev, next, last) \ + do { \ + (last) = _switch_to(task_thread_info(prev), \ + task_thread_info(next)); \ + } while (0) + +#endif /* _ASM_MICROBLAZE_SWITCH_TO_H */ diff --git a/arch/microblaze/include/asm/syscall.h b/arch/microblaze/include/asm/syscall.h new file mode 100644 index 00000000000..9bc43178310 --- /dev/null +++ b/arch/microblaze/include/asm/syscall.h @@ -0,0 +1,102 @@ +#ifndef __ASM_MICROBLAZE_SYSCALL_H +#define __ASM_MICROBLAZE_SYSCALL_H + +#include <linux/kernel.h> +#include <linux/sched.h> +#include <asm/ptrace.h> + +/* The system call number is given by the user in R12 */ +static inline long syscall_get_nr(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->r12; +} + +static inline void syscall_rollback(struct task_struct *task, + struct pt_regs *regs) +{ + /* TODO. */ +} + +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) +{ + return IS_ERR_VALUE(regs->r3) ? regs->r3 : 0; +} + +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->r3; +} + +static inline void syscall_set_return_value(struct task_struct *task, + struct pt_regs *regs, + int error, long val) +{ + if (error) + regs->r3 = -error; + else + regs->r3 = val; +} + +static inline microblaze_reg_t microblaze_get_syscall_arg(struct pt_regs *regs, + unsigned int n) +{ + switch (n) { + case 5: return regs->r10; + case 4: return regs->r9; + case 3: return regs->r8; + case 2: return regs->r7; + case 1: return regs->r6; + case 0: return regs->r5; + default: + BUG(); + } + return ~0; +} + +static inline void microblaze_set_syscall_arg(struct pt_regs *regs, + unsigned int n, + unsigned long val) +{ + switch (n) { + case 5: + regs->r10 = val; + case 4: + regs->r9 = val; + case 3: + regs->r8 = val; + case 2: + regs->r7 = val; + case 1: + regs->r6 = val; + case 0: + regs->r5 = val; + default: + BUG(); + } +} + +static inline void syscall_get_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + unsigned long *args) +{ + while (n--) + *args++ = microblaze_get_syscall_arg(regs, i++); +} + +static inline void syscall_set_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + const unsigned long *args) +{ + while (n--) + microblaze_set_syscall_arg(regs, i++, *args++); +} + +asmlinkage long do_syscall_trace_enter(struct pt_regs *regs); +asmlinkage void do_syscall_trace_leave(struct pt_regs *regs); + +#endif /* __ASM_MICROBLAZE_SYSCALL_H */ diff --git a/arch/microblaze/include/asm/syscalls.h b/arch/microblaze/include/asm/syscalls.h deleted file mode 100644 index 9cb4ff0edeb..00000000000 --- a/arch/microblaze/include/asm/syscalls.h +++ /dev/null @@ -1,45 +0,0 @@ -#ifndef __ASM_MICROBLAZE_SYSCALLS_H -#define __ASM_MICROBLAZE_SYSCALLS_H -#ifdef __KERNEL__ - -#include <linux/compiler.h> -#include <linux/linkage.h> -#include <linux/types.h> -#include <linux/signal.h> - -/* FIXME will be removed */ -asmlinkage int sys_ipc(uint call, int first, int second, - int third, void *ptr, long fifth); - -struct pt_regs; -asmlinkage int sys_vfork(struct pt_regs *regs); -asmlinkage int sys_clone(int flags, unsigned long stack, struct pt_regs *regs); -asmlinkage int sys_execve(char __user *filenamei, char __user *__user *argv, - char __user *__user *envp, struct pt_regs *regs); - -asmlinkage unsigned long sys_mmap2(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff); - -asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, off_t offset); - -/* from signal.c */ -asmlinkage int sys_sigsuspend(old_sigset_t mask, struct pt_regs *regs); - -asmlinkage int sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize, - struct pt_regs *regs); - -asmlinkage int sys_sigaction(int sig, const struct old_sigaction *act, - struct old_sigaction *oact); - -asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, - struct pt_regs *regs); - -asmlinkage int sys_sigreturn(struct pt_regs *regs); - -asmlinkage int sys_rt_sigreturn(struct pt_regs *regs); - -#endif /* __KERNEL__ */ -#endif /* __ASM_MICROBLAZE_SYSCALLS_H */ diff --git a/arch/microblaze/include/asm/system.h b/arch/microblaze/include/asm/system.h deleted file mode 100644 index c4e308850b5..00000000000 --- a/arch/microblaze/include/asm/system.h +++ /dev/null @@ -1,91 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_SYSTEM_H -#define _ASM_MICROBLAZE_SYSTEM_H - -#include <asm/registers.h> -#include <asm/setup.h> -#include <asm/irqflags.h> - -struct task_struct; -struct thread_info; - -extern struct task_struct *_switch_to(struct thread_info *prev, - struct thread_info *next); - -#define switch_to(prev, next, last) \ - do { \ - (last) = _switch_to(task_thread_info(prev), \ - task_thread_info(next)); \ - } while (0) - -#define smp_read_barrier_depends() do {} while (0) -#define read_barrier_depends() do {} while (0) - -#define nop() asm volatile ("nop") -#define mb() barrier() -#define rmb() mb() -#define wmb() mb() -#define set_mb(var, value) do { var = value; mb(); } while (0) -#define set_wmb(var, value) do { var = value; wmb(); } while (0) - -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() - -void show_trace(struct task_struct *task, unsigned long *stack); -void __bad_xchg(volatile void *ptr, int size); - -static inline unsigned long __xchg(unsigned long x, volatile void *ptr, - int size) -{ - unsigned long ret; - unsigned long flags; - - switch (size) { - case 1: - local_irq_save(flags); - ret = *(volatile unsigned char *)ptr; - *(volatile unsigned char *)ptr = x; - local_irq_restore(flags); - break; - - case 4: - local_irq_save(flags); - ret = *(volatile unsigned long *)ptr; - *(volatile unsigned long *)ptr = x; - local_irq_restore(flags); - break; - default: - __bad_xchg(ptr, size), ret = 0; - break; - } - - return ret; -} - -void disable_hlt(void); -void enable_hlt(void); -void default_idle(void); - -#define xchg(ptr, x) \ - ((__typeof__(*(ptr))) __xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))) - -void free_init_pages(char *what, unsigned long begin, unsigned long end); -void free_initmem(void); -extern char *klimit; -extern void ret_from_fork(void); - -#ifdef CONFIG_DEBUG_FS -extern struct dentry *of_debugfs_root; -#endif - -#define arch_align_stack(x) (x) - -#endif /* _ASM_MICROBLAZE_SYSTEM_H */ diff --git a/arch/microblaze/include/asm/termbits.h b/arch/microblaze/include/asm/termbits.h deleted file mode 100644 index a1b64bc4724..00000000000 --- a/arch/microblaze/include/asm/termbits.h +++ /dev/null @@ -1,203 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_TERMBITS_H -#define _ASM_MICROBLAZE_TERMBITS_H - -#include <linux/posix_types.h> - -typedef unsigned char cc_t; -typedef unsigned int speed_t; -typedef unsigned int tcflag_t; - -#define NCCS 19 -struct termios { - tcflag_t c_iflag; /* input mode flags */ - tcflag_t c_oflag; /* output mode flags */ - tcflag_t c_cflag; /* control mode flags */ - tcflag_t c_lflag; /* local mode flags */ - cc_t c_line; /* line discipline */ - cc_t c_cc[NCCS]; /* control characters */ -}; - -struct ktermios { - tcflag_t c_iflag; /* input mode flags */ - tcflag_t c_oflag; /* output mode flags */ - tcflag_t c_cflag; /* control mode flags */ - tcflag_t c_lflag; /* local mode flags */ - cc_t c_line; /* line discipline */ - cc_t c_cc[NCCS]; /* control characters */ - speed_t c_ispeed; /* input speed */ - speed_t c_ospeed; /* output speed */ -}; - -/* c_cc characters */ - -#define VINTR 0 -#define VQUIT 1 -#define VERASE 2 -#define VKILL 3 -#define VEOF 4 -#define VTIME 5 -#define VMIN 6 -#define VSWTC 7 -#define VSTART 8 -#define VSTOP 9 -#define VSUSP 10 -#define VEOL 11 -#define VREPRINT 12 -#define VDISCARD 13 -#define VWERASE 14 -#define VLNEXT 15 -#define VEOL2 16 - -/* c_iflag bits */ - -#define IGNBRK 0000001 -#define BRKINT 0000002 -#define IGNPAR 0000004 -#define PARMRK 0000010 -#define INPCK 0000020 -#define ISTRIP 0000040 -#define INLCR 0000100 -#define IGNCR 0000200 -#define ICRNL 0000400 -#define IUCLC 0001000 -#define IXON 0002000 -#define IXANY 0004000 -#define IXOFF 0010000 -#define IMAXBEL 0020000 -#define IUTF8 0040000 - -/* c_oflag bits */ - -#define OPOST 0000001 -#define OLCUC 0000002 -#define ONLCR 0000004 -#define OCRNL 0000010 -#define ONOCR 0000020 -#define ONLRET 0000040 -#define OFILL 0000100 -#define OFDEL 0000200 -#define NLDLY 0000400 -#define NL0 0000000 -#define NL1 0000400 -#define CRDLY 0003000 -#define CR0 0000000 -#define CR1 0001000 -#define CR2 0002000 -#define CR3 0003000 -#define TABDLY 0014000 -#define TAB0 0000000 -#define TAB1 0004000 -#define TAB2 0010000 -#define TAB3 0014000 -#define XTABS 0014000 -#define BSDLY 0020000 -#define BS0 0000000 -#define BS1 0020000 -#define VTDLY 0040000 -#define VT0 0000000 -#define VT1 0040000 -#define FFDLY 0100000 -#define FF0 0000000 -#define FF1 0100000 - -/* c_cflag bit meaning */ - -#define CBAUD 0010017 -#define B0 0000000 /* hang up */ -#define B50 0000001 -#define B75 0000002 -#define B110 0000003 -#define B134 0000004 -#define B150 0000005 -#define B200 0000006 -#define B300 0000007 -#define B600 0000010 -#define B1200 0000011 -#define B1800 0000012 -#define B2400 0000013 -#define B4800 0000014 -#define B9600 0000015 -#define B19200 0000016 -#define B38400 0000017 -#define EXTA B19200 -#define EXTB B38400 -#define CSIZE 0000060 -#define CS5 0000000 -#define CS6 0000020 -#define CS7 0000040 -#define CS8 0000060 -#define CSTOPB 0000100 -#define CREAD 0000200 -#define PARENB 0000400 -#define PARODD 0001000 -#define HUPCL 0002000 -#define CLOCAL 0004000 -#define CBAUDEX 0010000 -#define B57600 0010001 -#define B115200 0010002 -#define B230400 0010003 -#define B460800 0010004 -#define B500000 0010005 -#define B576000 0010006 -#define B921600 0010007 -#define BOTHER 0010000 -#define B1000000 0010010 -#define B1152000 0010011 -#define B1500000 0010012 -#define B2000000 0010013 -#define B2500000 0010014 -#define B3000000 0010015 -#define B3500000 0010016 -#define B4000000 0010017 -#define CIBAUD 002003600000 /* input baud rate (not used) */ -#define CMSPAR 010000000000 /* mark or space (stick) parity */ -#define CRTSCTS 020000000000 /* flow control */ - -#define IBSHIFT 16 /* Shift from CBAUD to CIBAUD */ - -/* c_lflag bits */ - -#define ISIG 0000001 -#define ICANON 0000002 -#define XCASE 0000004 -#define ECHO 0000010 -#define ECHOE 0000020 -#define ECHOK 0000040 -#define ECHONL 0000100 -#define NOFLSH 0000200 -#define TOSTOP 0000400 -#define ECHOCTL 0001000 -#define ECHOPRT 0002000 -#define ECHOKE 0004000 -#define FLUSHO 0010000 -#define PENDIN 0040000 -#define IEXTEN 0100000 - -/* tcflow() and TCXONC use these */ - -#define TCOOFF 0 -#define TCOON 1 -#define TCIOFF 2 -#define TCION 3 - -/* tcflush() and TCFLSH use these */ - -#define TCIFLUSH 0 -#define TCOFLUSH 1 -#define TCIOFLUSH 2 - -/* tcsetattr uses these */ - -#define TCSANOW 0 -#define TCSADRAIN 1 -#define TCSAFLUSH 2 - -#endif /* _ASM_MICROBLAZE_TERMBITS_H */ diff --git a/arch/microblaze/include/asm/termios.h b/arch/microblaze/include/asm/termios.h deleted file mode 100644 index 102d7725866..00000000000 --- a/arch/microblaze/include/asm/termios.h +++ /dev/null @@ -1,88 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_TERMIOS_H -#define _ASM_MICROBLAZE_TERMIOS_H - -#include <linux/string.h> -#include <asm/termbits.h> -#include <asm/ioctls.h> - -struct winsize { - unsigned short ws_row; - unsigned short ws_col; - unsigned short ws_xpixel; - unsigned short ws_ypixel; -}; - -#define NCC 8 -struct termio { - unsigned short c_iflag; /* input mode flags */ - unsigned short c_oflag; /* output mode flags */ - unsigned short c_cflag; /* control mode flags */ - unsigned short c_lflag; /* local mode flags */ - unsigned char c_line; /* line discipline */ - unsigned char c_cc[NCC]; /* control characters */ -}; - -#ifdef __KERNEL__ -/* intr=^C quit=^| erase=del kill=^U - eof=^D vtime=\0 vmin=\1 sxtc=\0 - start=^Q stop=^S susp=^Z eol=\0 - reprint=^R discard=^U werase=^W lnext=^V - eol2=\0 -*/ -#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" -#endif - -/* Modem lines */ - -#define TIOCM_LE 0x001 -#define TIOCM_DTR 0x002 -#define TIOCM_RTS 0x004 -#define TIOCM_ST 0x008 -#define TIOCM_SR 0x010 -#define TIOCM_CTS 0x020 -#define TIOCM_CAR 0x040 -#define TIOCM_RNG 0x080 -#define TIOCM_DSR 0x100 -#define TIOCM_CD TIOCM_CAR -#define TIOCM_RI TIOCM_RNG -#define TIOCM_OUT1 0x2000 -#define TIOCM_OUT2 0x4000 -#define TIOCM_LOOP 0x8000 - -/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ - -/* Line disciplines */ - -#define N_TTY 0 -#define N_SLIP 1 -#define N_MOUSE 2 -#define N_PPP 3 -#define N_STRIP 4 -#define N_AX25 5 -#define N_X25 6 /* X.25 async */ -#define N_6PACK 7 -#define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */ -#define N_R3964 9 /* Reserved for Simatic R3964 module */ -#define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */ -#define N_IRDA 11 /* Linux IR - http://irda.sourceforge.net/ */ -#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards - about SMS messages */ -#define N_HDLC 13 /* synchronous HDLC */ -#define N_SYNC_PPP 14 -#define N_HCI 15 /* Bluetooth HCI UART */ - -#ifdef __KERNEL__ - -#include <asm-generic/termios.h> - -#endif /* __KERNEL__ */ - -#endif /* _ASM_MICROBLAZE_TERMIOS_H */ diff --git a/arch/microblaze/include/asm/thread_info.h b/arch/microblaze/include/asm/thread_info.h index 4c3943e3f40..8c9d36591a0 100644 --- a/arch/microblaze/include/asm/thread_info.h +++ b/arch/microblaze/include/asm/thread_info.h @@ -19,7 +19,6 @@ #ifndef __ASSEMBLY__ # include <linux/types.h> # include <asm/processor.h> -# include <asm/segment.h> /* * low level task data that entry.S needs immediate access to @@ -60,6 +59,10 @@ struct cpu_context { __u32 fsr; }; +typedef struct { + unsigned long seg; +} mm_segment_t; + struct thread_info { struct task_struct *task; /* main task structure */ struct exec_domain *exec_domain; /* execution domain */ @@ -75,8 +78,6 @@ struct thread_info { /* * macros/functions for gaining access to the thread information structure - * - * preempt_count needs to be 1 initially, until the scheduler is functional. */ #define INIT_THREAD_INFO(tsk) \ { \ @@ -84,7 +85,7 @@ struct thread_info { .exec_domain = &default_exec_domain, \ .flags = 0, \ .cpu = 0, \ - .preempt_count = 1, \ + .preempt_count = INIT_PREEMPT_COUNT, \ .addr_limit = KERNEL_DS, \ .restart_block = { \ .fn = do_no_restart_syscall, \ @@ -105,8 +106,6 @@ static inline struct thread_info *current_thread_info(void) /* thread information allocation */ #endif /* __ASSEMBLY__ */ -#define PREEMPT_ACTIVE 0x10000000 - /* * thread information flags * - these are process state flags that various assembly files may @@ -120,28 +119,29 @@ static inline struct thread_info *current_thread_info(void) #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ /* restore singlestep on return to user mode */ #define TIF_SINGLESTEP 4 -#define TIF_IRET 5 /* return with iret */ -#define TIF_MEMDIE 6 -#define TIF_FREEZE 14 /* Freezing for suspend */ - -/* FIXME change in entry.S */ -#define TIF_KERNEL_TRACE 8 /* kernel trace active */ +#define TIF_MEMDIE 6 /* is terminating due to OOM killer */ +#define TIF_SYSCALL_AUDIT 9 /* syscall auditing active */ +#define TIF_SECCOMP 10 /* secure computing */ /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_POLLING_NRFLAG 16 -#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) -#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) -#define _TIF_SIGPENDING (1<<TIF_SIGPENDING) -#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) -#define _TIF_IRET (1<<TIF_IRET) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_FREEZE (1<<TIF_FREEZE) -#define _TIF_KERNEL_TRACE (1 << TIF_KERNEL_TRACE) +#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) +#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) +#define _TIF_SIGPENDING (1 << TIF_SIGPENDING) +#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) +#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) +#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) +#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) +#define _TIF_SECCOMP (1 << TIF_SECCOMP) + +/* work to do in syscall trace */ +#define _TIF_WORK_SYSCALL_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \ + _TIF_SYSCALL_AUDIT | _TIF_SECCOMP) /* work to do on interrupt/exception return */ #define _TIF_WORK_MASK 0x0000FFFE + /* work to do on any return to u-space */ #define _TIF_ALLWORK_MASK 0x0000FFFF @@ -154,6 +154,33 @@ static inline struct thread_info *current_thread_info(void) */ /* FPU was used by this task this quantum (SMP) */ #define TS_USEDFPU 0x0001 +#define TS_RESTORE_SIGMASK 0x0002 + +#ifndef __ASSEMBLY__ +#define HAVE_SET_RESTORE_SIGMASK 1 +static inline void set_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + ti->status |= TS_RESTORE_SIGMASK; + WARN_ON(!test_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags)); +} +static inline void clear_restore_sigmask(void) +{ + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; +} +static inline bool test_restore_sigmask(void) +{ + return current_thread_info()->status & TS_RESTORE_SIGMASK; +} +static inline bool test_and_clear_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + if (!(ti->status & TS_RESTORE_SIGMASK)) + return false; + ti->status &= ~TS_RESTORE_SIGMASK; + return true; +} +#endif #endif /* __KERNEL__ */ #endif /* _ASM_MICROBLAZE_THREAD_INFO_H */ diff --git a/arch/microblaze/include/asm/timex.h b/arch/microblaze/include/asm/timex.h index 678525dc6d0..befcf3de553 100644 --- a/arch/microblaze/include/asm/timex.h +++ b/arch/microblaze/include/asm/timex.h @@ -9,10 +9,8 @@ #ifndef _ASM_MICROBLAZE_TIMEX_H #define _ASM_MICROBLAZE_TIMEX_H -#define CLOCK_TICK_RATE 1000 /* Timer input freq. */ - -typedef unsigned long cycles_t; +#include <asm-generic/timex.h> -#define get_cycles() (0) +#define CLOCK_TICK_RATE 1000 /* Timer input freq. */ #endif /* _ASM_TIMEX_H */ diff --git a/arch/microblaze/include/asm/tlb.h b/arch/microblaze/include/asm/tlb.h index d1dfe379112..8aa97817cc8 100644 --- a/arch/microblaze/include/asm/tlb.h +++ b/arch/microblaze/include/asm/tlb.h @@ -1,4 +1,6 @@ /* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -9,8 +11,15 @@ #ifndef _ASM_MICROBLAZE_TLB_H #define _ASM_MICROBLAZE_TLB_H -#define tlb_flush(tlb) do {} while (0) +#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) +#include <linux/pagemap.h> #include <asm-generic/tlb.h> +#ifdef CONFIG_MMU +#define tlb_start_vma(tlb, vma) do { } while (0) +#define tlb_end_vma(tlb, vma) do { } while (0) +#define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0) +#endif + #endif /* _ASM_MICROBLAZE_TLB_H */ diff --git a/arch/microblaze/include/asm/tlbflush.h b/arch/microblaze/include/asm/tlbflush.h index d7fe7629001..2e1353c2d18 100644 --- a/arch/microblaze/include/asm/tlbflush.h +++ b/arch/microblaze/include/asm/tlbflush.h @@ -1,4 +1,6 @@ /* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -9,6 +11,51 @@ #ifndef _ASM_MICROBLAZE_TLBFLUSH_H #define _ASM_MICROBLAZE_TLBFLUSH_H +#ifdef CONFIG_MMU + +#include <linux/sched.h> +#include <linux/threads.h> +#include <asm/processor.h> /* For TASK_SIZE */ +#include <asm/mmu.h> +#include <asm/page.h> +#include <asm/pgalloc.h> + +extern void _tlbie(unsigned long address); +extern void _tlbia(void); + +#define __tlbia() { preempt_disable(); _tlbia(); preempt_enable(); } +#define __tlbie(x) { _tlbie(x); } + +static inline void local_flush_tlb_all(void) + { __tlbia(); } +static inline void local_flush_tlb_mm(struct mm_struct *mm) + { __tlbia(); } +static inline void local_flush_tlb_page(struct vm_area_struct *vma, + unsigned long vmaddr) + { __tlbie(vmaddr); } +static inline void local_flush_tlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end) + { __tlbia(); } + +#define flush_tlb_kernel_range(start, end) do { } while (0) + +#define update_mmu_cache(vma, addr, ptep) do { } while (0) + +#define flush_tlb_all local_flush_tlb_all +#define flush_tlb_mm local_flush_tlb_mm +#define flush_tlb_page local_flush_tlb_page +#define flush_tlb_range local_flush_tlb_range + +/* + * This is called in munmap when we have freed up some page-table + * pages. We don't need to do anything here, there's nothing special + * about our page-table pages. -- paulus + */ +static inline void flush_tlb_pgtables(struct mm_struct *mm, + unsigned long start, unsigned long end) { } + +#else /* CONFIG_MMU */ + #define flush_tlb() BUG() #define flush_tlb_all() BUG() #define flush_tlb_mm(mm) BUG() @@ -17,4 +64,6 @@ #define flush_tlb_pgtables(mm, start, end) BUG() #define flush_tlb_kernel_range(start, end) BUG() +#endif /* CONFIG_MMU */ + #endif /* _ASM_MICROBLAZE_TLBFLUSH_H */ diff --git a/arch/microblaze/include/asm/topology.h b/arch/microblaze/include/asm/topology.h index 96bcea5a992..5428f333a02 100644 --- a/arch/microblaze/include/asm/topology.h +++ b/arch/microblaze/include/asm/topology.h @@ -1,11 +1 @@ #include <asm-generic/topology.h> - -#ifndef _ASM_MICROBLAZE_TOPOLOGY_H -#define _ASM_MICROBLAZE_TOPOLOGY_H - -struct device_node; -static inline int of_node_to_nid(struct device_node *device) -{ - return 0; -} -#endif /* _ASM_MICROBLAZE_TOPOLOGY_H */ diff --git a/arch/microblaze/include/asm/types.h b/arch/microblaze/include/asm/types.h deleted file mode 100644 index bebc018318f..00000000000 --- a/arch/microblaze/include/asm/types.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Copyright (C) Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_TYPES_H -#define _ASM_MICROBLAZE_TYPES_H - -/* - * This file is never included by application software unless - * explicitly requested (e.g., via linux/types.h) in which case the - * application is Linux specific so (user-) name space pollution is - * not a major issue. However, for interoperability, libraries still - * need to be careful to avoid a name clashes. - */ - -#include <asm-generic/int-ll64.h> - -# ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -/* - * These aren't exported outside the kernel to avoid name space clashes - */ -# ifdef __KERNEL__ -# define BITS_PER_LONG 32 - -/* Dma addresses are 32-bits wide. */ - -typedef u32 dma_addr_t; - -# endif/* __KERNEL__ */ -# endif /* __ASSEMBLY__ */ -#endif /* _ASM_MICROBLAZE_TYPES_H */ diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index 5a3ffc308e1..0aa005703a0 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -1,4 +1,6 @@ /* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -20,113 +22,403 @@ #include <asm/mmu.h> #include <asm/page.h> #include <asm/pgtable.h> -#include <asm/segment.h> #include <linux/string.h> #define VERIFY_READ 0 #define VERIFY_WRITE 1 -extern int ___range_ok(unsigned long addr, unsigned long size); +/* + * On Microblaze the fs value is actually the top of the corresponding + * address space. + * + * The fs value determines whether argument validity checking should be + * performed or not. If get_fs() == USER_DS, checking is performed, with + * get_fs() == KERNEL_DS, checking is bypassed. + * + * For historical reasons, these macros are grossly misnamed. + * + * For non-MMU arch like Microblaze, KERNEL_DS and USER_DS is equal. + */ +# define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) + +# ifndef CONFIG_MMU +# define KERNEL_DS MAKE_MM_SEG(0) +# define USER_DS KERNEL_DS +# else +# define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFF) +# define USER_DS MAKE_MM_SEG(TASK_SIZE - 1) +# endif + +# define get_ds() (KERNEL_DS) +# define get_fs() (current_thread_info()->addr_limit) +# define set_fs(val) (current_thread_info()->addr_limit = (val)) + +# define segment_eq(a, b) ((a).seg == (b).seg) + +/* + * The exception table consists of pairs of addresses: the first is the + * address of an instruction that is allowed to fault, and the second is + * the address at which the program should continue. No registers are + * modified, so it is entirely up to the continuation code to figure out + * what to do. + * + * All the routines below use bits of fixup code that are out of line + * with the main instruction path. This means when everything is well, + * we don't even have to jump over them. Further, they do not intrude + * on our cache or tlb entries. + */ +struct exception_table_entry { + unsigned long insn, fixup; +}; + +/* Returns 0 if exception not found and fixup otherwise. */ +extern unsigned long search_exception_table(unsigned long); + +#ifndef CONFIG_MMU + +/* Check against bounds of physical memory */ +static inline int ___range_ok(unsigned long addr, unsigned long size) +{ + return ((addr < memory_start) || + ((addr + size - 1) > (memory_start + memory_size - 1))); +} #define __range_ok(addr, size) \ ___range_ok((unsigned long)(addr), (unsigned long)(size)) #define access_ok(type, addr, size) (__range_ok((addr), (size)) == 0) -#define __access_ok(add, size) (__range_ok((addr), (size)) == 0) -extern inline int bad_user_access_length(void) +#else + +static inline int access_ok(int type, const void __user *addr, + unsigned long size) { - return 0; + if (!size) + goto ok; + + if ((get_fs().seg < ((unsigned long)addr)) || + (get_fs().seg < ((unsigned long)addr + size - 1))) { + pr_debug("ACCESS fail: %s at 0x%08x (size 0x%x), seg 0x%08x\n", + type ? "WRITE" : "READ ", (__force u32)addr, (u32)size, + (u32)get_fs().seg); + return 0; + } +ok: + pr_debug("ACCESS OK: %s at 0x%08x (size 0x%x), seg 0x%08x\n", + type ? "WRITE" : "READ ", (__force u32)addr, (u32)size, + (u32)get_fs().seg); + return 1; } -/* FIXME this is function for optimalization -> memcpy */ -#define __get_user(var, ptr) \ - ({ \ - int __gu_err = 0; \ - switch (sizeof(*(ptr))) { \ - case 1: \ - case 2: \ - case 4: \ - (var) = *(ptr); \ - break; \ - case 8: \ - memcpy((void *) &(var), (ptr), 8); \ - break; \ - default: \ - (var) = 0; \ - __gu_err = __get_user_bad(); \ - break; \ - } \ - __gu_err; \ - }) - -#define __get_user_bad() (bad_user_access_length(), (-EFAULT)) - -#define __put_user(var, ptr) \ - ({ \ - int __pu_err = 0; \ - switch (sizeof(*(ptr))) { \ - case 1: \ - case 2: \ - case 4: \ - *(ptr) = (var); \ - break; \ - case 8: { \ - typeof(*(ptr)) __pu_val = var; \ - memcpy(ptr, &__pu_val, sizeof(__pu_val));\ - } \ - break; \ - default: \ - __pu_err = __put_user_bad(); \ - break; \ +#endif + +#ifdef CONFIG_MMU +# define __FIXUP_SECTION ".section .fixup,\"ax\"\n" +# define __EX_TABLE_SECTION ".section __ex_table,\"a\"\n" +#else +# define __FIXUP_SECTION ".section .discard,\"ax\"\n" +# define __EX_TABLE_SECTION ".section .discard,\"ax\"\n" +#endif + +extern unsigned long __copy_tofrom_user(void __user *to, + const void __user *from, unsigned long size); + +/* Return: number of not copied bytes, i.e. 0 if OK or non-zero if fail. */ +static inline unsigned long __must_check __clear_user(void __user *to, + unsigned long n) +{ + /* normal memset with two words to __ex_table */ + __asm__ __volatile__ ( \ + "1: sb r0, %1, r0;" \ + " addik %0, %0, -1;" \ + " bneid %0, 1b;" \ + " addik %1, %1, 1;" \ + "2: " \ + __EX_TABLE_SECTION \ + ".word 1b,2b;" \ + ".previous;" \ + : "=r"(n), "=r"(to) \ + : "0"(n), "1"(to) + ); + return n; +} + +static inline unsigned long __must_check clear_user(void __user *to, + unsigned long n) +{ + might_fault(); + if (unlikely(!access_ok(VERIFY_WRITE, to, n))) + return n; + + return __clear_user(to, n); +} + +/* put_user and get_user macros */ +extern long __user_bad(void); + +#define __get_user_asm(insn, __gu_ptr, __gu_val, __gu_err) \ +({ \ + __asm__ __volatile__ ( \ + "1:" insn " %1, %2, r0;" \ + " addk %0, r0, r0;" \ + "2: " \ + __FIXUP_SECTION \ + "3: brid 2b;" \ + " addik %0, r0, %3;" \ + ".previous;" \ + __EX_TABLE_SECTION \ + ".word 1b,3b;" \ + ".previous;" \ + : "=&r"(__gu_err), "=r"(__gu_val) \ + : "r"(__gu_ptr), "i"(-EFAULT) \ + ); \ +}) + +/** + * get_user: - Get a simple variable from user space. + * @x: Variable to store result. + * @ptr: Source address, in user space. + * + * Context: User context only. This function may sleep. + * + * This macro copies a single simple variable from user space to kernel + * space. It supports simple types like char and int, but not larger + * data types like structures or arrays. + * + * @ptr must have pointer-to-simple-variable type, and the result of + * dereferencing @ptr must be assignable to @x without a cast. + * + * Returns zero on success, or -EFAULT on error. + * On error, the variable @x is set to zero. + */ +#define get_user(x, ptr) \ + __get_user_check((x), (ptr), sizeof(*(ptr))) + +#define __get_user_check(x, ptr, size) \ +({ \ + unsigned long __gu_val = 0; \ + const typeof(*(ptr)) __user *__gu_addr = (ptr); \ + int __gu_err = 0; \ + \ + if (access_ok(VERIFY_READ, __gu_addr, size)) { \ + switch (size) { \ + case 1: \ + __get_user_asm("lbu", __gu_addr, __gu_val, \ + __gu_err); \ + break; \ + case 2: \ + __get_user_asm("lhu", __gu_addr, __gu_val, \ + __gu_err); \ + break; \ + case 4: \ + __get_user_asm("lw", __gu_addr, __gu_val, \ + __gu_err); \ + break; \ + default: \ + __gu_err = __user_bad(); \ + break; \ } \ - __pu_err; \ - }) + } else { \ + __gu_err = -EFAULT; \ + } \ + x = (typeof(*(ptr)))__gu_val; \ + __gu_err; \ +}) -#define __put_user_bad() (bad_user_access_length(), (-EFAULT)) +#define __get_user(x, ptr) \ +({ \ + unsigned long __gu_val; \ + /*unsigned long __gu_ptr = (unsigned long)(ptr);*/ \ + long __gu_err; \ + switch (sizeof(*(ptr))) { \ + case 1: \ + __get_user_asm("lbu", (ptr), __gu_val, __gu_err); \ + break; \ + case 2: \ + __get_user_asm("lhu", (ptr), __gu_val, __gu_err); \ + break; \ + case 4: \ + __get_user_asm("lw", (ptr), __gu_val, __gu_err); \ + break; \ + default: \ + /* __gu_val = 0; __gu_err = -EINVAL;*/ __gu_err = __user_bad();\ + } \ + x = (__typeof__(*(ptr))) __gu_val; \ + __gu_err; \ +}) -#define put_user(x, ptr) __put_user(x, ptr) -#define get_user(x, ptr) __get_user(x, ptr) -#define copy_to_user(to, from, n) (memcpy(to, from, n), 0) -#define copy_from_user(to, from, n) (memcpy(to, from, n), 0) +#define __put_user_asm(insn, __gu_ptr, __gu_val, __gu_err) \ +({ \ + __asm__ __volatile__ ( \ + "1:" insn " %1, %2, r0;" \ + " addk %0, r0, r0;" \ + "2: " \ + __FIXUP_SECTION \ + "3: brid 2b;" \ + " addik %0, r0, %3;" \ + ".previous;" \ + __EX_TABLE_SECTION \ + ".word 1b,3b;" \ + ".previous;" \ + : "=&r"(__gu_err) \ + : "r"(__gu_val), "r"(__gu_ptr), "i"(-EFAULT) \ + ); \ +}) -#define __copy_to_user(to, from, n) (copy_to_user(to, from, n)) -#define __copy_from_user(to, from, n) (copy_from_user(to, from, n)) -#define __copy_to_user_inatomic(to, from, n) (__copy_to_user(to, from, n)) -#define __copy_from_user_inatomic(to, from, n) (__copy_from_user(to, from, n)) +#define __put_user_asm_8(__gu_ptr, __gu_val, __gu_err) \ +({ \ + __asm__ __volatile__ (" lwi %0, %1, 0;" \ + "1: swi %0, %2, 0;" \ + " lwi %0, %1, 4;" \ + "2: swi %0, %2, 4;" \ + " addk %0, r0, r0;" \ + "3: " \ + __FIXUP_SECTION \ + "4: brid 3b;" \ + " addik %0, r0, %3;" \ + ".previous;" \ + __EX_TABLE_SECTION \ + ".word 1b,4b,2b,4b;" \ + ".previous;" \ + : "=&r"(__gu_err) \ + : "r"(&__gu_val), "r"(__gu_ptr), "i"(-EFAULT) \ + ); \ +}) -#define __clear_user(addr, n) (memset((void *)addr, 0, n), 0) +/** + * put_user: - Write a simple value into user space. + * @x: Value to copy to user space. + * @ptr: Destination address, in user space. + * + * Context: User context only. This function may sleep. + * + * This macro copies a single simple value from kernel space to user + * space. It supports simple types like char and int, but not larger + * data types like structures or arrays. + * + * @ptr must have pointer-to-simple-variable type, and @x must be assignable + * to the result of dereferencing @ptr. + * + * Returns zero on success, or -EFAULT on error. + */ +#define put_user(x, ptr) \ + __put_user_check((x), (ptr), sizeof(*(ptr))) + +#define __put_user_check(x, ptr, size) \ +({ \ + typeof(*(ptr)) volatile __pu_val = x; \ + typeof(*(ptr)) __user *__pu_addr = (ptr); \ + int __pu_err = 0; \ + \ + if (access_ok(VERIFY_WRITE, __pu_addr, size)) { \ + switch (size) { \ + case 1: \ + __put_user_asm("sb", __pu_addr, __pu_val, \ + __pu_err); \ + break; \ + case 2: \ + __put_user_asm("sh", __pu_addr, __pu_val, \ + __pu_err); \ + break; \ + case 4: \ + __put_user_asm("sw", __pu_addr, __pu_val, \ + __pu_err); \ + break; \ + case 8: \ + __put_user_asm_8(__pu_addr, __pu_val, __pu_err);\ + break; \ + default: \ + __pu_err = __user_bad(); \ + break; \ + } \ + } else { \ + __pu_err = -EFAULT; \ + } \ + __pu_err; \ +}) + +#define __put_user(x, ptr) \ +({ \ + __typeof__(*(ptr)) volatile __gu_val = (x); \ + long __gu_err = 0; \ + switch (sizeof(__gu_val)) { \ + case 1: \ + __put_user_asm("sb", (ptr), __gu_val, __gu_err); \ + break; \ + case 2: \ + __put_user_asm("sh", (ptr), __gu_val, __gu_err); \ + break; \ + case 4: \ + __put_user_asm("sw", (ptr), __gu_val, __gu_err); \ + break; \ + case 8: \ + __put_user_asm_8((ptr), __gu_val, __gu_err); \ + break; \ + default: \ + /*__gu_err = -EINVAL;*/ __gu_err = __user_bad(); \ + } \ + __gu_err; \ +}) -static inline unsigned long clear_user(void *addr, unsigned long size) + +/* copy_to_from_user */ +#define __copy_from_user(to, from, n) \ + __copy_tofrom_user((__force void __user *)(to), \ + (void __user *)(from), (n)) +#define __copy_from_user_inatomic(to, from, n) \ + __copy_from_user((to), (from), (n)) + +static inline long copy_from_user(void *to, + const void __user *from, unsigned long n) { - if (access_ok(VERIFY_WRITE, addr, size)) - size = __clear_user(addr, size); - return size; + might_fault(); + if (access_ok(VERIFY_READ, from, n)) + return __copy_from_user(to, from, n); + return n; } -/* Returns 0 if exception not found and fixup otherwise. */ -extern unsigned long search_exception_table(unsigned long); +#define __copy_to_user(to, from, n) \ + __copy_tofrom_user((void __user *)(to), \ + (__force const void __user *)(from), (n)) +#define __copy_to_user_inatomic(to, from, n) __copy_to_user((to), (from), (n)) + +static inline long copy_to_user(void __user *to, + const void *from, unsigned long n) +{ + might_fault(); + if (access_ok(VERIFY_WRITE, to, n)) + return __copy_to_user(to, from, n); + return n; +} + +/* + * Copy a null terminated string from userspace. + */ +extern int __strncpy_user(char *to, const char __user *from, int len); +#define __strncpy_from_user __strncpy_user -extern long strncpy_from_user(char *dst, const char __user *src, long count); -extern long strnlen_user(const char __user *src, long count); -extern long __strncpy_from_user(char *dst, const char __user *src, long count); +static inline long +strncpy_from_user(char *dst, const char __user *src, long count) +{ + if (!access_ok(VERIFY_READ, src, 1)) + return -EFAULT; + return __strncpy_from_user(dst, src, count); +} /* - * The exception table consists of pairs of addresses: the first is the - * address of an instruction that is allowed to fault, and the second is - * the address at which the program should continue. No registers are - * modified, so it is entirely up to the continuation code to figure out - * what to do. + * Return the size of a string (including the ending 0) * - * All the routines below use bits of fixup code that are out of line - * with the main instruction path. This means when everything is well, - * we don't even have to jump over them. Further, they do not intrude - * on our cache or tlb entries. + * Return 0 on exception, a value greater than N if too long */ -struct exception_table_entry { - unsigned long insn, fixup; -}; +extern int __strnlen_user(const char __user *sstr, int len); + +static inline long strnlen_user(const char __user *src, long n) +{ + if (!access_ok(VERIFY_READ, src, 1)) + return 0; + return __strnlen_user(src, n); +} #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/microblaze/include/asm/ucontext.h b/arch/microblaze/include/asm/ucontext.h index 11f6bb3ae3a..9bc07b9f30f 100644 --- a/arch/microblaze/include/asm/ucontext.h +++ b/arch/microblaze/include/asm/ucontext.h @@ -1,22 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_UCONTEXT_H -#define _ASM_MICROBLAZE_UCONTEXT_H - -#include <asm/sigcontext.h> - -struct ucontext { - unsigned long uc_flags; - struct ucontext *uc_link; - stack_t uc_stack; - struct sigcontext uc_mcontext; - sigset_t uc_sigmask; /* mask last for extensibility */ -}; - -#endif /* _ASM_MICROBLAZE_UCONTEXT_H */ +#include <asm-generic/ucontext.h> diff --git a/arch/microblaze/include/asm/unaligned.h b/arch/microblaze/include/asm/unaligned.h index 9d66b640c91..b162ed88049 100644 --- a/arch/microblaze/include/asm/unaligned.h +++ b/arch/microblaze/include/asm/unaligned.h @@ -12,11 +12,19 @@ # ifdef __KERNEL__ -# include <linux/unaligned/access_ok.h> -# include <linux/unaligned/generic.h> +# ifdef __MICROBLAZEEL__ +# include <linux/unaligned/le_struct.h> +# include <linux/unaligned/be_byteshift.h> +# define get_unaligned __get_unaligned_le +# define put_unaligned __put_unaligned_le +# else +# include <linux/unaligned/be_struct.h> +# include <linux/unaligned/le_byteshift.h> +# define get_unaligned __get_unaligned_be +# define put_unaligned __put_unaligned_be +# endif -# define get_unaligned __get_unaligned_be -# define put_unaligned __put_unaligned_be +# include <linux/unaligned/generic.h> # endif /* __KERNEL__ */ #endif /* _ASM_MICROBLAZE_UNALIGNED_H */ diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h index b5e2f5fa5c5..fd56a8f6648 100644 --- a/arch/microblaze/include/asm/unistd.h +++ b/arch/microblaze/include/asm/unistd.h @@ -6,394 +6,19 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. */ - #ifndef _ASM_MICROBLAZE_UNISTD_H #define _ASM_MICROBLAZE_UNISTD_H -#define __NR_restart_syscall 0 /* ok */ -#define __NR_exit 1 /* ok */ -#define __NR_fork 2 /* not for no MMU - weird */ -#define __NR_read 3 /* ok */ -#define __NR_write 4 /* ok */ -#define __NR_open 5 /* openat */ -#define __NR_close 6 /* ok */ -#define __NR_waitpid 7 /* waitid */ -#define __NR_creat 8 /* openat */ -#define __NR_link 9 /* linkat */ -#define __NR_unlink 10 /* unlinkat */ -#define __NR_execve 11 /* ok */ -#define __NR_chdir 12 /* ok */ -#define __NR_time 13 /* obsolete -> sys_gettimeofday */ -#define __NR_mknod 14 /* mknodat */ -#define __NR_chmod 15 /* fchmodat */ -#define __NR_lchown 16 /* ok */ -#define __NR_break 17 /* don't know */ -#define __NR_oldstat 18 /* remove */ -#define __NR_lseek 19 /* ok */ -#define __NR_getpid 20 /* ok */ -#define __NR_mount 21 /* ok */ -#define __NR_umount 22 /* ok */ /* use only umount2 */ -#define __NR_setuid 23 /* ok */ -#define __NR_getuid 24 /* ok */ -#define __NR_stime 25 /* obsolete -> sys_settimeofday */ -#define __NR_ptrace 26 /* ok */ -#define __NR_alarm 27 /* obsolete -> sys_setitimer */ -#define __NR_oldfstat 28 /* remove */ -#define __NR_pause 29 /* obsolete -> sys_rt_sigtimedwait */ -#define __NR_utime 30 /* obsolete -> sys_utimesat */ -#define __NR_stty 31 /* remove */ -#define __NR_gtty 32 /* remove */ -#define __NR_access 33 /* faccessat */ -/* can be implemented by sys_setpriority */ -#define __NR_nice 34 -#define __NR_ftime 35 /* remove */ -#define __NR_sync 36 /* ok */ -#define __NR_kill 37 /* ok */ -#define __NR_rename 38 /* renameat */ -#define __NR_mkdir 39 /* mkdirat */ -#define __NR_rmdir 40 /* unlinkat */ -#define __NR_dup 41 /* ok */ -#define __NR_pipe 42 /* ok */ -#define __NR_times 43 /* ok */ -#define __NR_prof 44 /* remove */ -#define __NR_brk 45 /* ok -mmu, nommu specific */ -#define __NR_setgid 46 /* ok */ -#define __NR_getgid 47 /* ok */ -#define __NR_signal 48 /* obsolete -> sys_rt_sigaction */ -#define __NR_geteuid 49 /* ok */ -#define __NR_getegid 50 /* ok */ -#define __NR_acct 51 /* add it and then I can disable it */ -#define __NR_umount2 52 /* remove */ -#define __NR_lock 53 /* remove */ -#define __NR_ioctl 54 /* ok */ -#define __NR_fcntl 55 /* ok -> 64bit version*/ -#define __NR_mpx 56 /* remove */ -#define __NR_setpgid 57 /* ok */ -#define __NR_ulimit 58 /* remove */ -#define __NR_oldolduname 59 /* remove */ -#define __NR_umask 60 /* ok */ -#define __NR_chroot 61 /* ok */ -#define __NR_ustat 62 /* obsolete -> statfs64 */ -#define __NR_dup2 63 /* ok */ -#define __NR_getppid 64 /* ok */ -#define __NR_getpgrp 65 /* obsolete -> sys_getpgid */ -#define __NR_setsid 66 /* ok */ -#define __NR_sigaction 67 /* obsolete -> rt_sigaction */ -#define __NR_sgetmask 68 /* obsolete -> sys_rt_sigprocmask */ -#define __NR_ssetmask 69 /* obsolete ->sys_rt_sigprocmask */ -#define __NR_setreuid 70 /* ok */ -#define __NR_setregid 71 /* ok */ -#define __NR_sigsuspend 72 /* obsolete -> rt_sigsuspend */ -#define __NR_sigpending 73 /* obsolete -> sys_rt_sigpending */ -#define __NR_sethostname 74 /* ok */ -#define __NR_setrlimit 75 /* ok */ -#define __NR_getrlimit 76 /* ok Back compatible 2G limited rlimit */ -#define __NR_getrusage 77 /* ok */ -#define __NR_gettimeofday 78 /* ok */ -#define __NR_settimeofday 79 /* ok */ -#define __NR_getgroups 80 /* ok */ -#define __NR_setgroups 81 /* ok */ -#define __NR_select 82 /* obsolete -> sys_pselect7 */ -#define __NR_symlink 83 /* symlinkat */ -#define __NR_oldlstat 84 /* remove */ -#define __NR_readlink 85 /* obsolete -> sys_readlinkat */ -#define __NR_uselib 86 /* remove */ -#define __NR_swapon 87 /* ok */ -#define __NR_reboot 88 /* ok */ -#define __NR_readdir 89 /* remove ? */ -#define __NR_mmap 90 /* obsolete -> sys_mmap2 */ -#define __NR_munmap 91 /* ok - mmu and nommu */ -#define __NR_truncate 92 /* ok or truncate64 */ -#define __NR_ftruncate 93 /* ok or ftruncate64 */ -#define __NR_fchmod 94 /* ok */ -#define __NR_fchown 95 /* ok */ -#define __NR_getpriority 96 /* ok */ -#define __NR_setpriority 97 /* ok */ -#define __NR_profil 98 /* remove */ -#define __NR_statfs 99 /* ok or statfs64 */ -#define __NR_fstatfs 100 /* ok or fstatfs64 */ -#define __NR_ioperm 101 /* remove */ -#define __NR_socketcall 102 /* remove */ -#define __NR_syslog 103 /* ok */ -#define __NR_setitimer 104 /* ok */ -#define __NR_getitimer 105 /* ok */ -#define __NR_stat 106 /* remove */ -#define __NR_lstat 107 /* remove */ -#define __NR_fstat 108 /* remove */ -#define __NR_olduname 109 /* remove */ -#define __NR_iopl 110 /* remove */ -#define __NR_vhangup 111 /* ok */ -#define __NR_idle 112 /* remove */ -#define __NR_vm86old 113 /* remove */ -#define __NR_wait4 114 /* obsolete -> waitid */ -#define __NR_swapoff 115 /* ok */ -#define __NR_sysinfo 116 /* ok */ -#define __NR_ipc 117 /* remove - direct call */ -#define __NR_fsync 118 /* ok */ -#define __NR_sigreturn 119 /* obsolete -> sys_rt_sigreturn */ -#define __NR_clone 120 /* ok */ -#define __NR_setdomainname 121 /* ok */ -#define __NR_uname 122 /* remove */ -#define __NR_modify_ldt 123 /* remove */ -#define __NR_adjtimex 124 /* ok */ -#define __NR_mprotect 125 /* remove */ -#define __NR_sigprocmask 126 /* obsolete -> sys_rt_sigprocmask */ -#define __NR_create_module 127 /* remove */ -#define __NR_init_module 128 /* ok */ -#define __NR_delete_module 129 /* ok */ -#define __NR_get_kernel_syms 130 /* remove */ -#define __NR_quotactl 131 /* ok */ -#define __NR_getpgid 132 /* ok */ -#define __NR_fchdir 133 /* ok */ -#define __NR_bdflush 134 /* remove */ -#define __NR_sysfs 135 /* needed for busybox */ -#define __NR_personality 136 /* ok */ -#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ -#define __NR_setfsuid 138 /* ok */ -#define __NR_setfsgid 139 /* ok */ -#define __NR__llseek 140 /* remove only lseek */ -#define __NR_getdents 141 /* ok or getdents64 */ -#define __NR__newselect 142 /* remove */ -#define __NR_flock 143 /* ok */ -#define __NR_msync 144 /* remove */ -#define __NR_readv 145 /* ok */ -#define __NR_writev 146 /* ok */ -#define __NR_getsid 147 /* ok */ -#define __NR_fdatasync 148 /* ok */ -#define __NR__sysctl 149 /* remove */ -#define __NR_mlock 150 /* ok - nommu or mmu */ -#define __NR_munlock 151 /* ok - nommu or mmu */ -#define __NR_mlockall 152 /* ok - nommu or mmu */ -#define __NR_munlockall 153 /* ok - nommu or mmu */ -#define __NR_sched_setparam 154 /* ok */ -#define __NR_sched_getparam 155 /* ok */ -#define __NR_sched_setscheduler 156 /* ok */ -#define __NR_sched_getscheduler 157 /* ok */ -#define __NR_sched_yield 158 /* ok */ -#define __NR_sched_get_priority_max 159 /* ok */ -#define __NR_sched_get_priority_min 160 /* ok */ -#define __NR_sched_rr_get_interval 161 /* ok */ -#define __NR_nanosleep 162 /* ok */ -#define __NR_mremap 163 /* ok - nommu or mmu */ -#define __NR_setresuid 164 /* ok */ -#define __NR_getresuid 165 /* ok */ -#define __NR_vm86 166 /* remove */ -#define __NR_query_module 167 /* ok */ -#define __NR_poll 168 /* obsolete -> sys_ppoll */ -#define __NR_nfsservctl 169 /* ok */ -#define __NR_setresgid 170 /* ok */ -#define __NR_getresgid 171 /* ok */ -#define __NR_prctl 172 /* ok */ -#define __NR_rt_sigreturn 173 /* ok */ -#define __NR_rt_sigaction 174 /* ok */ -#define __NR_rt_sigprocmask 175 /* ok */ -#define __NR_rt_sigpending 176 /* ok */ -#define __NR_rt_sigtimedwait 177 /* ok */ -#define __NR_rt_sigqueueinfo 178 /* ok */ -#define __NR_rt_sigsuspend 179 /* ok */ -#define __NR_pread64 180 /* ok */ -#define __NR_pwrite64 181 /* ok */ -#define __NR_chown 182 /* obsolete -> fchownat */ -#define __NR_getcwd 183 /* ok */ -#define __NR_capget 184 /* ok */ -#define __NR_capset 185 /* ok */ -#define __NR_sigaltstack 186 /* remove */ -#define __NR_sendfile 187 /* ok -> exist 64bit version*/ -#define __NR_getpmsg 188 /* remove */ -/* remove - some people actually want streams */ -#define __NR_putpmsg 189 -/* for noMMU - group with clone -> maybe remove */ -#define __NR_vfork 190 -#define __NR_ugetrlimit 191 /* remove - SuS compliant getrlimit */ -#define __NR_mmap2 192 /* ok */ -#define __NR_truncate64 193 /* ok */ -#define __NR_ftruncate64 194 /* ok */ -#define __NR_stat64 195 /* remove _ARCH_WANT_STAT64 */ -#define __NR_lstat64 196 /* remove _ARCH_WANT_STAT64 */ -#define __NR_fstat64 197 /* remove _ARCH_WANT_STAT64 */ -#define __NR_lchown32 198 /* ok - without 32 */ -#define __NR_getuid32 199 /* ok - without 32 */ -#define __NR_getgid32 200 /* ok - without 32 */ -#define __NR_geteuid32 201 /* ok - without 32 */ -#define __NR_getegid32 202 /* ok - without 32 */ -#define __NR_setreuid32 203 /* ok - without 32 */ -#define __NR_setregid32 204 /* ok - without 32 */ -#define __NR_getgroups32 205 /* ok - without 32 */ -#define __NR_setgroups32 206 /* ok - without 32 */ -#define __NR_fchown32 207 /* ok - without 32 */ -#define __NR_setresuid32 208 /* ok - without 32 */ -#define __NR_getresuid32 209 /* ok - without 32 */ -#define __NR_setresgid32 210 /* ok - without 32 */ -#define __NR_getresgid32 211 /* ok - without 32 */ -#define __NR_chown32 212 /* ok - without 32 -obsolete -> fchownat */ -#define __NR_setuid32 213 /* ok - without 32 */ -#define __NR_setgid32 214 /* ok - without 32 */ -#define __NR_setfsuid32 215 /* ok - without 32 */ -#define __NR_setfsgid32 216 /* ok - without 32 */ -#define __NR_pivot_root 217 /* ok */ -#define __NR_mincore 218 /* ok */ -#define __NR_madvise 219 /* ok */ -#define __NR_getdents64 220 /* ok */ -#define __NR_fcntl64 221 /* ok */ -/* 223 is unused */ -#define __NR_gettid 224 /* ok */ -#define __NR_readahead 225 /* ok */ -#define __NR_setxattr 226 /* ok */ -#define __NR_lsetxattr 227 /* ok */ -#define __NR_fsetxattr 228 /* ok */ -#define __NR_getxattr 229 /* ok */ -#define __NR_lgetxattr 230 /* ok */ -#define __NR_fgetxattr 231 /* ok */ -#define __NR_listxattr 232 /* ok */ -#define __NR_llistxattr 233 /* ok */ -#define __NR_flistxattr 234 /* ok */ -#define __NR_removexattr 235 /* ok */ -#define __NR_lremovexattr 236 /* ok */ -#define __NR_fremovexattr 237 /* ok */ -#define __NR_tkill 238 /* ok */ -#define __NR_sendfile64 239 /* ok */ -#define __NR_futex 240 /* ok */ -#define __NR_sched_setaffinity 241 /* ok */ -#define __NR_sched_getaffinity 242 /* ok */ -#define __NR_set_thread_area 243 /* remove */ -#define __NR_get_thread_area 244 /* remove */ -#define __NR_io_setup 245 /* ok */ -#define __NR_io_destroy 246 /* ok */ -#define __NR_io_getevents 247 /* ok */ -#define __NR_io_submit 248 /* ok */ -#define __NR_io_cancel 249 /* ok */ -#define __NR_fadvise64 250 /* remove -> sys_fadvise64_64 */ -/* 251 is available for reuse (was briefly sys_set_zone_reclaim) */ -#define __NR_exit_group 252 /* ok */ -#define __NR_lookup_dcookie 253 /* ok */ -#define __NR_epoll_create 254 /* ok */ -#define __NR_epoll_ctl 255 /* ok */ -#define __NR_epoll_wait 256 /* obsolete -> sys_epoll_pwait */ -#define __NR_remap_file_pages 257 /* only for mmu */ -#define __NR_set_tid_address 258 /* ok */ -#define __NR_timer_create 259 /* ok */ -#define __NR_timer_settime (__NR_timer_create+1) /* 260 */ /* ok */ -#define __NR_timer_gettime (__NR_timer_create+2) /* 261 */ /* ok */ -#define __NR_timer_getoverrun (__NR_timer_create+3) /* 262 */ /* ok */ -#define __NR_timer_delete (__NR_timer_create+4) /* 263 */ /* ok */ -#define __NR_clock_settime (__NR_timer_create+5) /* 264 */ /* ok */ -#define __NR_clock_gettime (__NR_timer_create+6) /* 265 */ /* ok */ -#define __NR_clock_getres (__NR_timer_create+7) /* 266 */ /* ok */ -#define __NR_clock_nanosleep (__NR_timer_create+8) /* 267 */ /* ok */ -#define __NR_statfs64 268 /* ok */ -#define __NR_fstatfs64 269 /* ok */ -#define __NR_tgkill 270 /* ok */ -#define __NR_utimes 271 /* obsolete -> sys_futimesat */ -#define __NR_fadvise64_64 272 /* ok */ -#define __NR_vserver 273 /* ok */ -#define __NR_mbind 274 /* only for mmu */ -#define __NR_get_mempolicy 275 /* only for mmu */ -#define __NR_set_mempolicy 276 /* only for mmu */ -#define __NR_mq_open 277 /* ok */ -#define __NR_mq_unlink (__NR_mq_open+1) /* 278 */ /* ok */ -#define __NR_mq_timedsend (__NR_mq_open+2) /* 279 */ /* ok */ -#define __NR_mq_timedreceive (__NR_mq_open+3) /* 280 */ /* ok */ -#define __NR_mq_notify (__NR_mq_open+4) /* 281 */ /* ok */ -#define __NR_mq_getsetattr (__NR_mq_open+5) /* 282 */ /* ok */ -#define __NR_kexec_load 283 /* ok */ -#define __NR_waitid 284 /* ok */ -/* #define __NR_sys_setaltroot 285 */ -#define __NR_add_key 286 /* ok */ -#define __NR_request_key 287 /* ok */ -#define __NR_keyctl 288 /* ok */ -#define __NR_ioprio_set 289 /* ok */ -#define __NR_ioprio_get 290 /* ok */ -#define __NR_inotify_init 291 /* ok */ -#define __NR_inotify_add_watch 292 /* ok */ -#define __NR_inotify_rm_watch 293 /* ok */ -#define __NR_migrate_pages 294 /* mmu */ -#define __NR_openat 295 /* ok */ -#define __NR_mkdirat 296 /* ok */ -#define __NR_mknodat 297 /* ok */ -#define __NR_fchownat 298 /* ok */ -#define __NR_futimesat 299 /* obsolete -> sys_utimesat */ -#define __NR_fstatat64 300 /* stat64 */ -#define __NR_unlinkat 301 /* ok */ -#define __NR_renameat 302 /* ok */ -#define __NR_linkat 303 /* ok */ -#define __NR_symlinkat 304 /* ok */ -#define __NR_readlinkat 305 /* ok */ -#define __NR_fchmodat 306 /* ok */ -#define __NR_faccessat 307 /* ok */ -#define __NR_pselect6 308 /* obsolete -> sys_pselect7 */ -#define __NR_ppoll 309 /* ok */ -#define __NR_unshare 310 /* ok */ -#define __NR_set_robust_list 311 /* ok */ -#define __NR_get_robust_list 312 /* ok */ -#define __NR_splice 313 /* ok */ -#define __NR_sync_file_range 314 /* ok */ -#define __NR_tee 315 /* ok */ -#define __NR_vmsplice 316 /* ok */ -#define __NR_move_pages 317 /* mmu */ -#define __NR_getcpu 318 /* ok */ -#define __NR_epoll_pwait 319 /* ok */ -#define __NR_utimensat 320 /* ok */ -#define __NR_signalfd 321 /* ok */ -#define __NR_timerfd_create 322 /* ok */ -#define __NR_eventfd 323 /* ok */ -#define __NR_fallocate 324 /* ok */ -#define __NR_semtimedop 325 /* ok - semaphore group */ -#define __NR_timerfd_settime 326 /* ok */ -#define __NR_timerfd_gettime 327 /* ok */ -/* sysv ipc syscalls */ -#define __NR_semctl 328 /* ok */ -#define __NR_semget 329 /* ok */ -#define __NR_semop 330 /* ok */ -#define __NR_msgctl 331 /* ok */ -#define __NR_msgget 332 /* ok */ -#define __NR_msgrcv 333 /* ok */ -#define __NR_msgsnd 334 /* ok */ -#define __NR_shmat 335 /* ok */ -#define __NR_shmctl 336 /* ok */ -#define __NR_shmdt 337 /* ok */ -#define __NR_shmget 338 /* ok */ - - -#define __NR_signalfd4 339 /* new */ -#define __NR_eventfd2 340 /* new */ -#define __NR_epoll_create1 341 /* new */ -#define __NR_dup3 342 /* new */ -#define __NR_pipe2 343 /* new */ -#define __NR_inotify_init1 344 /* new */ -#define __NR_socket 345 /* new */ -#define __NR_socketpair 346 /* new */ -#define __NR_bind 347 /* new */ -#define __NR_listen 348 /* new */ -#define __NR_accept 349 /* new */ -#define __NR_connect 350 /* new */ -#define __NR_getsockname 351 /* new */ -#define __NR_getpeername 352 /* new */ -#define __NR_sendto 353 /* new */ -#define __NR_send 354 /* new */ -#define __NR_recvfrom 355 /* new */ -#define __NR_recv 356 /* new */ -#define __NR_setsockopt 357 /* new */ -#define __NR_getsockopt 358 /* new */ -#define __NR_shutdown 359 /* new */ -#define __NR_sendmsg 360 /* new */ -#define __NR_recvmsg 361 /* new */ -#define __NR_accept04 362 /* new */ -#define __NR_preadv 363 /* new */ -#define __NR_pwritev 364 /* new */ +#include <uapi/asm/unistd.h> -#define __NR_syscalls 365 - -#ifdef __KERNEL__ #ifndef __ASSEMBLY__ -#define __ARCH_WANT_IPC_PARSE_VERSION /* #define __ARCH_WANT_OLD_READDIR */ /* #define __ARCH_WANT_OLD_STAT */ #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_ALARM #define __ARCH_WANT_SYS_GETHOSTNAME #define __ARCH_WANT_SYS_PAUSE -#define __ARCH_WANT_SYS_SGETMASK #define __ARCH_WANT_SYS_SIGNAL #define __ARCH_WANT_SYS_TIME #define __ARCH_WANT_SYS_UTIME @@ -407,17 +32,12 @@ #define __ARCH_WANT_SYS_OLDUMOUNT #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK -#define __ARCH_WANT_SYS_RT_SIGACTION -/* #define __ARCH_WANT_SYS_RT_SIGSUSPEND */ - -/* - * "Conditional" syscalls - * - * What we want is __attribute__((weak,alias("sys_ni_syscall"))), - * but it doesn't work on all toolchains, so we just do it by hand - */ -#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall"); +#define __ARCH_WANT_SYS_CLONE +#define __ARCH_WANT_SYS_VFORK +#define __ARCH_WANT_SYS_FORK #endif /* __ASSEMBLY__ */ -#endif /* __KERNEL__ */ + +#define __NR_syscalls 381 + #endif /* _ASM_MICROBLAZE_UNISTD_H */ diff --git a/arch/microblaze/include/asm/unwind.h b/arch/microblaze/include/asm/unwind.h new file mode 100644 index 00000000000..d248b7de4b1 --- /dev/null +++ b/arch/microblaze/include/asm/unwind.h @@ -0,0 +1,29 @@ +/* + * Backtrace support for Microblaze + * + * Copyright (C) 2010 Digital Design Corporation + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef __MICROBLAZE_UNWIND_H +#define __MICROBLAZE_UNWIND_H + +struct stack_trace; + +struct trap_handler_info { + unsigned long start_addr; + unsigned long end_addr; + const char *trap_name; +}; +extern struct trap_handler_info microblaze_trap_handlers; + +extern const char _hw_exception_handler; +extern const char ex_handler_unhandled; + +void microblaze_unwind(struct task_struct *task, struct stack_trace *trace); + +#endif /* __MICROBLAZE_UNWIND_H */ + diff --git a/arch/microblaze/include/asm/vga.h b/arch/microblaze/include/asm/vga.h index 8b137891791..89d82fd8fcf 100644 --- a/arch/microblaze/include/asm/vga.h +++ b/arch/microblaze/include/asm/vga.h @@ -1 +1 @@ - +#include <asm-generic/vga.h> diff --git a/arch/microblaze/include/uapi/asm/Kbuild b/arch/microblaze/include/uapi/asm/Kbuild new file mode 100644 index 00000000000..1aac99f87df --- /dev/null +++ b/arch/microblaze/include/uapi/asm/Kbuild @@ -0,0 +1,36 @@ +# UAPI Header export list +include include/uapi/asm-generic/Kbuild.asm + +generic-y += types.h + +header-y += auxvec.h +header-y += bitsperlong.h +header-y += byteorder.h +header-y += elf.h +header-y += errno.h +header-y += fcntl.h +header-y += ioctl.h +header-y += ioctls.h +header-y += ipcbuf.h +header-y += kvm_para.h +header-y += mman.h +header-y += msgbuf.h +header-y += param.h +header-y += poll.h +header-y += posix_types.h +header-y += ptrace.h +header-y += resource.h +header-y += sembuf.h +header-y += setup.h +header-y += shmbuf.h +header-y += sigcontext.h +header-y += siginfo.h +header-y += signal.h +header-y += socket.h +header-y += sockios.h +header-y += stat.h +header-y += statfs.h +header-y += swab.h +header-y += termbits.h +header-y += termios.h +header-y += unistd.h diff --git a/arch/microblaze/include/asm/auxvec.h b/arch/microblaze/include/uapi/asm/auxvec.h index 8b137891791..8b137891791 100644 --- a/arch/microblaze/include/asm/auxvec.h +++ b/arch/microblaze/include/uapi/asm/auxvec.h diff --git a/arch/microblaze/include/uapi/asm/bitsperlong.h b/arch/microblaze/include/uapi/asm/bitsperlong.h new file mode 100644 index 00000000000..6dc0bb0c13b --- /dev/null +++ b/arch/microblaze/include/uapi/asm/bitsperlong.h @@ -0,0 +1 @@ +#include <asm-generic/bitsperlong.h> diff --git a/arch/microblaze/include/asm/byteorder.h b/arch/microblaze/include/uapi/asm/byteorder.h index ce9c58732ff..31902762a42 100644 --- a/arch/microblaze/include/asm/byteorder.h +++ b/arch/microblaze/include/uapi/asm/byteorder.h @@ -1,6 +1,10 @@ #ifndef _ASM_MICROBLAZE_BYTEORDER_H #define _ASM_MICROBLAZE_BYTEORDER_H +#ifdef __MICROBLAZEEL__ +#include <linux/byteorder/little_endian.h> +#else #include <linux/byteorder/big_endian.h> +#endif #endif /* _ASM_MICROBLAZE_BYTEORDER_H */ diff --git a/arch/microblaze/include/uapi/asm/elf.h b/arch/microblaze/include/uapi/asm/elf.h new file mode 100644 index 00000000000..be1731d5e2f --- /dev/null +++ b/arch/microblaze/include/uapi/asm/elf.h @@ -0,0 +1,121 @@ +/* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix + * Copyright (C) 2006 Atmark Techno, Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef _UAPI_ASM_MICROBLAZE_ELF_H +#define _UAPI_ASM_MICROBLAZE_ELF_H + +/* + * Note there is no "official" ELF designation for Microblaze. + * I've snaffled the value from the microblaze binutils source code + * /binutils/microblaze/include/elf/microblaze.h + */ +#define EM_MICROBLAZE 189 +#define EM_MICROBLAZE_OLD 0xbaab +#define ELF_ARCH EM_MICROBLAZE + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#define elf_check_arch(x) ((x)->e_machine == EM_MICROBLAZE \ + || (x)->e_machine == EM_MICROBLAZE_OLD) + +/* + * These are used to set parameters in the core dumps. + */ +#define ELF_CLASS ELFCLASS32 + +#ifndef __uClinux__ + +/* + * ELF register definitions.. + */ + +#include <asm/ptrace.h> +#include <asm/byteorder.h> + +#ifndef ELF_GREG_T +#define ELF_GREG_T +typedef unsigned long elf_greg_t; +#endif + +#ifndef ELF_NGREG +#define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t)) +#endif + +#ifndef ELF_GREGSET_T +#define ELF_GREGSET_T +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; +#endif + +#ifndef ELF_FPREGSET_T +#define ELF_FPREGSET_T + +/* TBD */ +#define ELF_NFPREG 33 /* includes fsr */ +typedef unsigned long elf_fpreg_t; +typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; + +/* typedef struct user_fpu_struct elf_fpregset_t; */ +#endif + +/* This is the location that an ET_DYN program is loaded if exec'ed. Typical + * use of this is to invoke "./ld.so someprog" to test out a new version of + * the loader. We need to make sure that it is out of the way of the program + * that it will "exec", and that there is sufficient room for the brk. + */ + +#define ELF_ET_DYN_BASE (0x08000000) + +#ifdef __MICROBLAZEEL__ +#define ELF_DATA ELFDATA2LSB +#else +#define ELF_DATA ELFDATA2MSB +#endif + +#define ELF_EXEC_PAGESIZE PAGE_SIZE + + +#define ELF_CORE_COPY_REGS(_dest, _regs) \ + memcpy((char *) &_dest, (char *) _regs, \ + sizeof(struct pt_regs)); + +/* This yields a mask that user programs can use to figure out what + * instruction set this CPU supports. This could be done in user space, + * but it's not easy, and we've already done it here. + */ +#define ELF_HWCAP (0) + +/* This yields a string that ld.so will use to load implementation + * specific libraries for optimization. This is more specific in + * intent than poking at uname or /proc/cpuinfo. + + * For the moment, we have only optimizations for the Intel generations, + * but that could change... + */ +#define ELF_PLATFORM (NULL) + +/* Added _f parameter. Is this definition correct: TBD */ +#define ELF_PLAT_INIT(_r, _f) \ +do { \ + _r->r0 = _r->r1 = _r->r2 = _r->r3 = \ + _r->r4 = _r->r5 = _r->r6 = _r->r7 = \ + _r->r8 = _r->r9 = _r->r10 = _r->r11 = \ + _r->r12 = _r->r13 = _r->r14 = _r->r15 = \ + _r->r16 = _r->r17 = _r->r18 = _r->r19 = \ + _r->r20 = _r->r21 = _r->r22 = _r->r23 = \ + _r->r24 = _r->r25 = _r->r26 = _r->r27 = \ + _r->r28 = _r->r29 = _r->r30 = _r->r31 = \ + 0; \ +} while (0) + + +#endif /* __uClinux__ */ + +#endif /* _UAPI_ASM_MICROBLAZE_ELF_H */ diff --git a/arch/microblaze/include/asm/errno.h b/arch/microblaze/include/uapi/asm/errno.h index 4c82b503d92..4c82b503d92 100644 --- a/arch/microblaze/include/asm/errno.h +++ b/arch/microblaze/include/uapi/asm/errno.h diff --git a/arch/microblaze/include/asm/fcntl.h b/arch/microblaze/include/uapi/asm/fcntl.h index 46ab12db573..46ab12db573 100644 --- a/arch/microblaze/include/asm/fcntl.h +++ b/arch/microblaze/include/uapi/asm/fcntl.h diff --git a/arch/microblaze/include/asm/ioctl.h b/arch/microblaze/include/uapi/asm/ioctl.h index b279fe06dfe..b279fe06dfe 100644 --- a/arch/microblaze/include/asm/ioctl.h +++ b/arch/microblaze/include/uapi/asm/ioctl.h diff --git a/arch/microblaze/include/uapi/asm/ioctls.h b/arch/microblaze/include/uapi/asm/ioctls.h new file mode 100644 index 00000000000..ec34c760665 --- /dev/null +++ b/arch/microblaze/include/uapi/asm/ioctls.h @@ -0,0 +1 @@ +#include <asm-generic/ioctls.h> diff --git a/arch/microblaze/include/uapi/asm/ipcbuf.h b/arch/microblaze/include/uapi/asm/ipcbuf.h new file mode 100644 index 00000000000..84c7e51cb6d --- /dev/null +++ b/arch/microblaze/include/uapi/asm/ipcbuf.h @@ -0,0 +1 @@ +#include <asm-generic/ipcbuf.h> diff --git a/arch/microblaze/include/uapi/asm/kvm_para.h b/arch/microblaze/include/uapi/asm/kvm_para.h new file mode 100644 index 00000000000..14fab8f0b95 --- /dev/null +++ b/arch/microblaze/include/uapi/asm/kvm_para.h @@ -0,0 +1 @@ +#include <asm-generic/kvm_para.h> diff --git a/arch/microblaze/include/uapi/asm/mman.h b/arch/microblaze/include/uapi/asm/mman.h new file mode 100644 index 00000000000..8eebf89f5ab --- /dev/null +++ b/arch/microblaze/include/uapi/asm/mman.h @@ -0,0 +1 @@ +#include <asm-generic/mman.h> diff --git a/arch/microblaze/include/uapi/asm/msgbuf.h b/arch/microblaze/include/uapi/asm/msgbuf.h new file mode 100644 index 00000000000..809134c644a --- /dev/null +++ b/arch/microblaze/include/uapi/asm/msgbuf.h @@ -0,0 +1 @@ +#include <asm-generic/msgbuf.h> diff --git a/arch/microblaze/include/uapi/asm/param.h b/arch/microblaze/include/uapi/asm/param.h new file mode 100644 index 00000000000..965d4542797 --- /dev/null +++ b/arch/microblaze/include/uapi/asm/param.h @@ -0,0 +1 @@ +#include <asm-generic/param.h> diff --git a/arch/microblaze/include/asm/poll.h b/arch/microblaze/include/uapi/asm/poll.h index c98509d3149..c98509d3149 100644 --- a/arch/microblaze/include/asm/poll.h +++ b/arch/microblaze/include/uapi/asm/poll.h diff --git a/arch/microblaze/include/uapi/asm/posix_types.h b/arch/microblaze/include/uapi/asm/posix_types.h new file mode 100644 index 00000000000..0e15039673e --- /dev/null +++ b/arch/microblaze/include/uapi/asm/posix_types.h @@ -0,0 +1,9 @@ +#ifndef _ASM_MICROBLAZE_POSIX_TYPES_H +#define _ASM_MICROBLAZE_POSIX_TYPES_H + +typedef unsigned short __kernel_mode_t; +#define __kernel_mode_t __kernel_mode_t + +#include <asm-generic/posix_types.h> + +#endif /* _ASM_MICROBLAZE_POSIX_TYPES_H */ diff --git a/arch/microblaze/include/uapi/asm/ptrace.h b/arch/microblaze/include/uapi/asm/ptrace.h new file mode 100644 index 00000000000..d31238a5f94 --- /dev/null +++ b/arch/microblaze/include/uapi/asm/ptrace.h @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2006 Atmark Techno, Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef _UAPI_ASM_MICROBLAZE_PTRACE_H +#define _UAPI_ASM_MICROBLAZE_PTRACE_H + +#ifndef __ASSEMBLY__ + +typedef unsigned long microblaze_reg_t; + +struct pt_regs { + microblaze_reg_t r0; + microblaze_reg_t r1; + microblaze_reg_t r2; + microblaze_reg_t r3; + microblaze_reg_t r4; + microblaze_reg_t r5; + microblaze_reg_t r6; + microblaze_reg_t r7; + microblaze_reg_t r8; + microblaze_reg_t r9; + microblaze_reg_t r10; + microblaze_reg_t r11; + microblaze_reg_t r12; + microblaze_reg_t r13; + microblaze_reg_t r14; + microblaze_reg_t r15; + microblaze_reg_t r16; + microblaze_reg_t r17; + microblaze_reg_t r18; + microblaze_reg_t r19; + microblaze_reg_t r20; + microblaze_reg_t r21; + microblaze_reg_t r22; + microblaze_reg_t r23; + microblaze_reg_t r24; + microblaze_reg_t r25; + microblaze_reg_t r26; + microblaze_reg_t r27; + microblaze_reg_t r28; + microblaze_reg_t r29; + microblaze_reg_t r30; + microblaze_reg_t r31; + microblaze_reg_t pc; + microblaze_reg_t msr; + microblaze_reg_t ear; + microblaze_reg_t esr; + microblaze_reg_t fsr; + int pt_mode; +}; + +#ifndef __KERNEL__ + +/* pt_regs offsets used by gdbserver etc in ptrace syscalls */ +#define PT_GPR(n) ((n) * sizeof(microblaze_reg_t)) +#define PT_PC (32 * sizeof(microblaze_reg_t)) +#define PT_MSR (33 * sizeof(microblaze_reg_t)) +#define PT_EAR (34 * sizeof(microblaze_reg_t)) +#define PT_ESR (35 * sizeof(microblaze_reg_t)) +#define PT_FSR (36 * sizeof(microblaze_reg_t)) +#define PT_KERNEL_MODE (37 * sizeof(microblaze_reg_t)) + +#endif /* __KERNEL */ + +#endif /* __ASSEMBLY__ */ + +#endif /* _UAPI_ASM_MICROBLAZE_PTRACE_H */ diff --git a/arch/microblaze/include/asm/resource.h b/arch/microblaze/include/uapi/asm/resource.h index 04bc4db8921..04bc4db8921 100644 --- a/arch/microblaze/include/asm/resource.h +++ b/arch/microblaze/include/uapi/asm/resource.h diff --git a/arch/microblaze/include/uapi/asm/sembuf.h b/arch/microblaze/include/uapi/asm/sembuf.h new file mode 100644 index 00000000000..7673b83cfef --- /dev/null +++ b/arch/microblaze/include/uapi/asm/sembuf.h @@ -0,0 +1 @@ +#include <asm-generic/sembuf.h> diff --git a/arch/microblaze/include/uapi/asm/setup.h b/arch/microblaze/include/uapi/asm/setup.h new file mode 100644 index 00000000000..76bc2acee6a --- /dev/null +++ b/arch/microblaze/include/uapi/asm/setup.h @@ -0,0 +1,19 @@ +/* + * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2007-2009 PetaLogix + * Copyright (C) 2006 Atmark Techno, Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef _UAPI_ASM_MICROBLAZE_SETUP_H +#define _UAPI_ASM_MICROBLAZE_SETUP_H + +#define COMMAND_LINE_SIZE 256 + +# ifndef __ASSEMBLY__ + +# endif /* __ASSEMBLY__ */ +#endif /* _UAPI_ASM_MICROBLAZE_SETUP_H */ diff --git a/arch/microblaze/include/uapi/asm/shmbuf.h b/arch/microblaze/include/uapi/asm/shmbuf.h new file mode 100644 index 00000000000..83c05fc2de3 --- /dev/null +++ b/arch/microblaze/include/uapi/asm/shmbuf.h @@ -0,0 +1 @@ +#include <asm-generic/shmbuf.h> diff --git a/arch/microblaze/include/asm/sigcontext.h b/arch/microblaze/include/uapi/asm/sigcontext.h index 55873c80c91..55873c80c91 100644 --- a/arch/microblaze/include/asm/sigcontext.h +++ b/arch/microblaze/include/uapi/asm/sigcontext.h diff --git a/arch/microblaze/include/uapi/asm/siginfo.h b/arch/microblaze/include/uapi/asm/siginfo.h new file mode 100644 index 00000000000..0815d29d82e --- /dev/null +++ b/arch/microblaze/include/uapi/asm/siginfo.h @@ -0,0 +1 @@ +#include <asm-generic/siginfo.h> diff --git a/arch/microblaze/include/uapi/asm/signal.h b/arch/microblaze/include/uapi/asm/signal.h new file mode 100644 index 00000000000..7b1573ce19d --- /dev/null +++ b/arch/microblaze/include/uapi/asm/signal.h @@ -0,0 +1 @@ +#include <asm-generic/signal.h> diff --git a/arch/microblaze/include/uapi/asm/socket.h b/arch/microblaze/include/uapi/asm/socket.h new file mode 100644 index 00000000000..6b71384b9d8 --- /dev/null +++ b/arch/microblaze/include/uapi/asm/socket.h @@ -0,0 +1 @@ +#include <asm-generic/socket.h> diff --git a/arch/microblaze/include/uapi/asm/sockios.h b/arch/microblaze/include/uapi/asm/sockios.h new file mode 100644 index 00000000000..def6d4746ee --- /dev/null +++ b/arch/microblaze/include/uapi/asm/sockios.h @@ -0,0 +1 @@ +#include <asm-generic/sockios.h> diff --git a/arch/microblaze/include/uapi/asm/stat.h b/arch/microblaze/include/uapi/asm/stat.h new file mode 100644 index 00000000000..3dc90fa92c7 --- /dev/null +++ b/arch/microblaze/include/uapi/asm/stat.h @@ -0,0 +1 @@ +#include <asm-generic/stat.h> diff --git a/arch/microblaze/include/asm/statfs.h b/arch/microblaze/include/uapi/asm/statfs.h index 0b91fe198c2..0b91fe198c2 100644 --- a/arch/microblaze/include/asm/statfs.h +++ b/arch/microblaze/include/uapi/asm/statfs.h diff --git a/arch/microblaze/include/uapi/asm/swab.h b/arch/microblaze/include/uapi/asm/swab.h new file mode 100644 index 00000000000..7847e563ab6 --- /dev/null +++ b/arch/microblaze/include/uapi/asm/swab.h @@ -0,0 +1 @@ +#include <asm-generic/swab.h> diff --git a/arch/microblaze/include/uapi/asm/termbits.h b/arch/microblaze/include/uapi/asm/termbits.h new file mode 100644 index 00000000000..3935b106de7 --- /dev/null +++ b/arch/microblaze/include/uapi/asm/termbits.h @@ -0,0 +1 @@ +#include <asm-generic/termbits.h> diff --git a/arch/microblaze/include/uapi/asm/termios.h b/arch/microblaze/include/uapi/asm/termios.h new file mode 100644 index 00000000000..280d78a9d96 --- /dev/null +++ b/arch/microblaze/include/uapi/asm/termios.h @@ -0,0 +1 @@ +#include <asm-generic/termios.h> diff --git a/arch/microblaze/include/uapi/asm/unistd.h b/arch/microblaze/include/uapi/asm/unistd.h new file mode 100644 index 00000000000..8d0791b49b3 --- /dev/null +++ b/arch/microblaze/include/uapi/asm/unistd.h @@ -0,0 +1,402 @@ +/* + * Copyright (C) 2007-2008 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2006 Atmark Techno, Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef _UAPI_ASM_MICROBLAZE_UNISTD_H +#define _UAPI_ASM_MICROBLAZE_UNISTD_H + +#define __NR_restart_syscall 0 /* ok */ +#define __NR_exit 1 /* ok */ +#define __NR_fork 2 /* not for no MMU - weird */ +#define __NR_read 3 /* ok */ +#define __NR_write 4 /* ok */ +#define __NR_open 5 /* openat */ +#define __NR_close 6 /* ok */ +#define __NR_waitpid 7 /* waitid */ +#define __NR_creat 8 /* openat */ +#define __NR_link 9 /* linkat */ +#define __NR_unlink 10 /* unlinkat */ +#define __NR_execve 11 /* ok */ +#define __NR_chdir 12 /* ok */ +#define __NR_time 13 /* obsolete -> sys_gettimeofday */ +#define __NR_mknod 14 /* mknodat */ +#define __NR_chmod 15 /* fchmodat */ +#define __NR_lchown 16 /* ok */ +#define __NR_break 17 /* don't know */ +#define __NR_oldstat 18 /* remove */ +#define __NR_lseek 19 /* ok */ +#define __NR_getpid 20 /* ok */ +#define __NR_mount 21 /* ok */ +#define __NR_umount 22 /* ok */ /* use only umount2 */ +#define __NR_setuid 23 /* ok */ +#define __NR_getuid 24 /* ok */ +#define __NR_stime 25 /* obsolete -> sys_settimeofday */ +#define __NR_ptrace 26 /* ok */ +#define __NR_alarm 27 /* obsolete -> sys_setitimer */ +#define __NR_oldfstat 28 /* remove */ +#define __NR_pause 29 /* obsolete -> sys_rt_sigtimedwait */ +#define __NR_utime 30 /* obsolete -> sys_utimesat */ +#define __NR_stty 31 /* remove */ +#define __NR_gtty 32 /* remove */ +#define __NR_access 33 /* faccessat */ +/* can be implemented by sys_setpriority */ +#define __NR_nice 34 +#define __NR_ftime 35 /* remove */ +#define __NR_sync 36 /* ok */ +#define __NR_kill 37 /* ok */ +#define __NR_rename 38 /* renameat */ +#define __NR_mkdir 39 /* mkdirat */ +#define __NR_rmdir 40 /* unlinkat */ +#define __NR_dup 41 /* ok */ +#define __NR_pipe 42 /* ok */ +#define __NR_times 43 /* ok */ +#define __NR_prof 44 /* remove */ +#define __NR_brk 45 /* ok -mmu, nommu specific */ +#define __NR_setgid 46 /* ok */ +#define __NR_getgid 47 /* ok */ +#define __NR_signal 48 /* obsolete -> sys_rt_sigaction */ +#define __NR_geteuid 49 /* ok */ +#define __NR_getegid 50 /* ok */ +#define __NR_acct 51 /* add it and then I can disable it */ +#define __NR_umount2 52 /* remove */ +#define __NR_lock 53 /* remove */ +#define __NR_ioctl 54 /* ok */ +#define __NR_fcntl 55 /* ok -> 64bit version*/ +#define __NR_mpx 56 /* remove */ +#define __NR_setpgid 57 /* ok */ +#define __NR_ulimit 58 /* remove */ +#define __NR_oldolduname 59 /* remove */ +#define __NR_umask 60 /* ok */ +#define __NR_chroot 61 /* ok */ +#define __NR_ustat 62 /* obsolete -> statfs64 */ +#define __NR_dup2 63 /* ok */ +#define __NR_getppid 64 /* ok */ +#define __NR_getpgrp 65 /* obsolete -> sys_getpgid */ +#define __NR_setsid 66 /* ok */ +#define __NR_sigaction 67 /* obsolete -> rt_sigaction */ +#define __NR_sgetmask 68 /* obsolete -> sys_rt_sigprocmask */ +#define __NR_ssetmask 69 /* obsolete ->sys_rt_sigprocmask */ +#define __NR_setreuid 70 /* ok */ +#define __NR_setregid 71 /* ok */ +#define __NR_sigsuspend 72 /* obsolete -> rt_sigsuspend */ +#define __NR_sigpending 73 /* obsolete -> sys_rt_sigpending */ +#define __NR_sethostname 74 /* ok */ +#define __NR_setrlimit 75 /* ok */ +#define __NR_getrlimit 76 /* ok Back compatible 2G limited rlimit */ +#define __NR_getrusage 77 /* ok */ +#define __NR_gettimeofday 78 /* ok */ +#define __NR_settimeofday 79 /* ok */ +#define __NR_getgroups 80 /* ok */ +#define __NR_setgroups 81 /* ok */ +#define __NR_select 82 /* obsolete -> sys_pselect6 */ +#define __NR_symlink 83 /* symlinkat */ +#define __NR_oldlstat 84 /* remove */ +#define __NR_readlink 85 /* obsolete -> sys_readlinkat */ +#define __NR_uselib 86 /* remove */ +#define __NR_swapon 87 /* ok */ +#define __NR_reboot 88 /* ok */ +#define __NR_readdir 89 /* remove ? */ +#define __NR_mmap 90 /* obsolete -> sys_mmap2 */ +#define __NR_munmap 91 /* ok - mmu and nommu */ +#define __NR_truncate 92 /* ok or truncate64 */ +#define __NR_ftruncate 93 /* ok or ftruncate64 */ +#define __NR_fchmod 94 /* ok */ +#define __NR_fchown 95 /* ok */ +#define __NR_getpriority 96 /* ok */ +#define __NR_setpriority 97 /* ok */ +#define __NR_profil 98 /* remove */ +#define __NR_statfs 99 /* ok or statfs64 */ +#define __NR_fstatfs 100 /* ok or fstatfs64 */ +#define __NR_ioperm 101 /* remove */ +#define __NR_socketcall 102 /* remove */ +#define __NR_syslog 103 /* ok */ +#define __NR_setitimer 104 /* ok */ +#define __NR_getitimer 105 /* ok */ +#define __NR_stat 106 /* remove */ +#define __NR_lstat 107 /* remove */ +#define __NR_fstat 108 /* remove */ +#define __NR_olduname 109 /* remove */ +#define __NR_iopl 110 /* remove */ +#define __NR_vhangup 111 /* ok */ +#define __NR_idle 112 /* remove */ +#define __NR_vm86old 113 /* remove */ +#define __NR_wait4 114 /* obsolete -> waitid */ +#define __NR_swapoff 115 /* ok */ +#define __NR_sysinfo 116 /* ok */ +#define __NR_ipc 117 /* remove - direct call */ +#define __NR_fsync 118 /* ok */ +#define __NR_sigreturn 119 /* obsolete -> sys_rt_sigreturn */ +#define __NR_clone 120 /* ok */ +#define __NR_setdomainname 121 /* ok */ +#define __NR_uname 122 /* remove */ +#define __NR_modify_ldt 123 /* remove */ +#define __NR_adjtimex 124 /* ok */ +#define __NR_mprotect 125 /* remove */ +#define __NR_sigprocmask 126 /* obsolete -> sys_rt_sigprocmask */ +#define __NR_create_module 127 /* remove */ +#define __NR_init_module 128 /* ok */ +#define __NR_delete_module 129 /* ok */ +#define __NR_get_kernel_syms 130 /* remove */ +#define __NR_quotactl 131 /* ok */ +#define __NR_getpgid 132 /* ok */ +#define __NR_fchdir 133 /* ok */ +#define __NR_bdflush 134 /* remove */ +#define __NR_sysfs 135 /* needed for busybox */ +#define __NR_personality 136 /* ok */ +#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ +#define __NR_setfsuid 138 /* ok */ +#define __NR_setfsgid 139 /* ok */ +#define __NR__llseek 140 /* remove only lseek */ +#define __NR_getdents 141 /* ok or getdents64 */ +#define __NR__newselect 142 /* remove */ +#define __NR_flock 143 /* ok */ +#define __NR_msync 144 /* remove */ +#define __NR_readv 145 /* ok */ +#define __NR_writev 146 /* ok */ +#define __NR_getsid 147 /* ok */ +#define __NR_fdatasync 148 /* ok */ +#define __NR__sysctl 149 /* remove */ +#define __NR_mlock 150 /* ok - nommu or mmu */ +#define __NR_munlock 151 /* ok - nommu or mmu */ +#define __NR_mlockall 152 /* ok - nommu or mmu */ +#define __NR_munlockall 153 /* ok - nommu or mmu */ +#define __NR_sched_setparam 154 /* ok */ +#define __NR_sched_getparam 155 /* ok */ +#define __NR_sched_setscheduler 156 /* ok */ +#define __NR_sched_getscheduler 157 /* ok */ +#define __NR_sched_yield 158 /* ok */ +#define __NR_sched_get_priority_max 159 /* ok */ +#define __NR_sched_get_priority_min 160 /* ok */ +#define __NR_sched_rr_get_interval 161 /* ok */ +#define __NR_nanosleep 162 /* ok */ +#define __NR_mremap 163 /* ok - nommu or mmu */ +#define __NR_setresuid 164 /* ok */ +#define __NR_getresuid 165 /* ok */ +#define __NR_vm86 166 /* remove */ +#define __NR_query_module 167 /* ok */ +#define __NR_poll 168 /* obsolete -> sys_ppoll */ +#define __NR_nfsservctl 169 /* ok */ +#define __NR_setresgid 170 /* ok */ +#define __NR_getresgid 171 /* ok */ +#define __NR_prctl 172 /* ok */ +#define __NR_rt_sigreturn 173 /* ok */ +#define __NR_rt_sigaction 174 /* ok */ +#define __NR_rt_sigprocmask 175 /* ok */ +#define __NR_rt_sigpending 176 /* ok */ +#define __NR_rt_sigtimedwait 177 /* ok */ +#define __NR_rt_sigqueueinfo 178 /* ok */ +#define __NR_rt_sigsuspend 179 /* ok */ +#define __NR_pread64 180 /* ok */ +#define __NR_pwrite64 181 /* ok */ +#define __NR_chown 182 /* obsolete -> fchownat */ +#define __NR_getcwd 183 /* ok */ +#define __NR_capget 184 /* ok */ +#define __NR_capset 185 /* ok */ +#define __NR_sigaltstack 186 /* remove */ +#define __NR_sendfile 187 /* ok -> exist 64bit version*/ +#define __NR_getpmsg 188 /* remove */ +/* remove - some people actually want streams */ +#define __NR_putpmsg 189 +/* for noMMU - group with clone -> maybe remove */ +#define __NR_vfork 190 +#define __NR_ugetrlimit 191 /* remove - SuS compliant getrlimit */ +#define __NR_mmap2 192 /* ok */ +#define __NR_truncate64 193 /* ok */ +#define __NR_ftruncate64 194 /* ok */ +#define __NR_stat64 195 /* remove _ARCH_WANT_STAT64 */ +#define __NR_lstat64 196 /* remove _ARCH_WANT_STAT64 */ +#define __NR_fstat64 197 /* remove _ARCH_WANT_STAT64 */ +#define __NR_lchown32 198 /* ok - without 32 */ +#define __NR_getuid32 199 /* ok - without 32 */ +#define __NR_getgid32 200 /* ok - without 32 */ +#define __NR_geteuid32 201 /* ok - without 32 */ +#define __NR_getegid32 202 /* ok - without 32 */ +#define __NR_setreuid32 203 /* ok - without 32 */ +#define __NR_setregid32 204 /* ok - without 32 */ +#define __NR_getgroups32 205 /* ok - without 32 */ +#define __NR_setgroups32 206 /* ok - without 32 */ +#define __NR_fchown32 207 /* ok - without 32 */ +#define __NR_setresuid32 208 /* ok - without 32 */ +#define __NR_getresuid32 209 /* ok - without 32 */ +#define __NR_setresgid32 210 /* ok - without 32 */ +#define __NR_getresgid32 211 /* ok - without 32 */ +#define __NR_chown32 212 /* ok - without 32 -obsolete -> fchownat */ +#define __NR_setuid32 213 /* ok - without 32 */ +#define __NR_setgid32 214 /* ok - without 32 */ +#define __NR_setfsuid32 215 /* ok - without 32 */ +#define __NR_setfsgid32 216 /* ok - without 32 */ +#define __NR_pivot_root 217 /* ok */ +#define __NR_mincore 218 /* ok */ +#define __NR_madvise 219 /* ok */ +#define __NR_getdents64 220 /* ok */ +#define __NR_fcntl64 221 /* ok */ +/* 223 is unused */ +#define __NR_gettid 224 /* ok */ +#define __NR_readahead 225 /* ok */ +#define __NR_setxattr 226 /* ok */ +#define __NR_lsetxattr 227 /* ok */ +#define __NR_fsetxattr 228 /* ok */ +#define __NR_getxattr 229 /* ok */ +#define __NR_lgetxattr 230 /* ok */ +#define __NR_fgetxattr 231 /* ok */ +#define __NR_listxattr 232 /* ok */ +#define __NR_llistxattr 233 /* ok */ +#define __NR_flistxattr 234 /* ok */ +#define __NR_removexattr 235 /* ok */ +#define __NR_lremovexattr 236 /* ok */ +#define __NR_fremovexattr 237 /* ok */ +#define __NR_tkill 238 /* ok */ +#define __NR_sendfile64 239 /* ok */ +#define __NR_futex 240 /* ok */ +#define __NR_sched_setaffinity 241 /* ok */ +#define __NR_sched_getaffinity 242 /* ok */ +#define __NR_set_thread_area 243 /* remove */ +#define __NR_get_thread_area 244 /* remove */ +#define __NR_io_setup 245 /* ok */ +#define __NR_io_destroy 246 /* ok */ +#define __NR_io_getevents 247 /* ok */ +#define __NR_io_submit 248 /* ok */ +#define __NR_io_cancel 249 /* ok */ +#define __NR_fadvise64 250 /* remove -> sys_fadvise64_64 */ +/* 251 is available for reuse (was briefly sys_set_zone_reclaim) */ +#define __NR_exit_group 252 /* ok */ +#define __NR_lookup_dcookie 253 /* ok */ +#define __NR_epoll_create 254 /* ok */ +#define __NR_epoll_ctl 255 /* ok */ +#define __NR_epoll_wait 256 /* obsolete -> sys_epoll_pwait */ +#define __NR_remap_file_pages 257 /* only for mmu */ +#define __NR_set_tid_address 258 /* ok */ +#define __NR_timer_create 259 /* ok */ +#define __NR_timer_settime (__NR_timer_create+1) /* 260 */ /* ok */ +#define __NR_timer_gettime (__NR_timer_create+2) /* 261 */ /* ok */ +#define __NR_timer_getoverrun (__NR_timer_create+3) /* 262 */ /* ok */ +#define __NR_timer_delete (__NR_timer_create+4) /* 263 */ /* ok */ +#define __NR_clock_settime (__NR_timer_create+5) /* 264 */ /* ok */ +#define __NR_clock_gettime (__NR_timer_create+6) /* 265 */ /* ok */ +#define __NR_clock_getres (__NR_timer_create+7) /* 266 */ /* ok */ +#define __NR_clock_nanosleep (__NR_timer_create+8) /* 267 */ /* ok */ +#define __NR_statfs64 268 /* ok */ +#define __NR_fstatfs64 269 /* ok */ +#define __NR_tgkill 270 /* ok */ +#define __NR_utimes 271 /* obsolete -> sys_futimesat */ +#define __NR_fadvise64_64 272 /* ok */ +#define __NR_vserver 273 /* ok */ +#define __NR_mbind 274 /* only for mmu */ +#define __NR_get_mempolicy 275 /* only for mmu */ +#define __NR_set_mempolicy 276 /* only for mmu */ +#define __NR_mq_open 277 /* ok */ +#define __NR_mq_unlink (__NR_mq_open+1) /* 278 */ /* ok */ +#define __NR_mq_timedsend (__NR_mq_open+2) /* 279 */ /* ok */ +#define __NR_mq_timedreceive (__NR_mq_open+3) /* 280 */ /* ok */ +#define __NR_mq_notify (__NR_mq_open+4) /* 281 */ /* ok */ +#define __NR_mq_getsetattr (__NR_mq_open+5) /* 282 */ /* ok */ +#define __NR_kexec_load 283 /* ok */ +#define __NR_waitid 284 /* ok */ +/* #define __NR_sys_setaltroot 285 */ +#define __NR_add_key 286 /* ok */ +#define __NR_request_key 287 /* ok */ +#define __NR_keyctl 288 /* ok */ +#define __NR_ioprio_set 289 /* ok */ +#define __NR_ioprio_get 290 /* ok */ +#define __NR_inotify_init 291 /* ok */ +#define __NR_inotify_add_watch 292 /* ok */ +#define __NR_inotify_rm_watch 293 /* ok */ +#define __NR_migrate_pages 294 /* mmu */ +#define __NR_openat 295 /* ok */ +#define __NR_mkdirat 296 /* ok */ +#define __NR_mknodat 297 /* ok */ +#define __NR_fchownat 298 /* ok */ +#define __NR_futimesat 299 /* obsolete -> sys_utimesat */ +#define __NR_fstatat64 300 /* stat64 */ +#define __NR_unlinkat 301 /* ok */ +#define __NR_renameat 302 /* ok */ +#define __NR_linkat 303 /* ok */ +#define __NR_symlinkat 304 /* ok */ +#define __NR_readlinkat 305 /* ok */ +#define __NR_fchmodat 306 /* ok */ +#define __NR_faccessat 307 /* ok */ +#define __NR_pselect6 308 /* ok */ +#define __NR_ppoll 309 /* ok */ +#define __NR_unshare 310 /* ok */ +#define __NR_set_robust_list 311 /* ok */ +#define __NR_get_robust_list 312 /* ok */ +#define __NR_splice 313 /* ok */ +#define __NR_sync_file_range 314 /* ok */ +#define __NR_tee 315 /* ok */ +#define __NR_vmsplice 316 /* ok */ +#define __NR_move_pages 317 /* mmu */ +#define __NR_getcpu 318 /* ok */ +#define __NR_epoll_pwait 319 /* ok */ +#define __NR_utimensat 320 /* ok */ +#define __NR_signalfd 321 /* ok */ +#define __NR_timerfd_create 322 /* ok */ +#define __NR_eventfd 323 /* ok */ +#define __NR_fallocate 324 /* ok */ +#define __NR_semtimedop 325 /* ok - semaphore group */ +#define __NR_timerfd_settime 326 /* ok */ +#define __NR_timerfd_gettime 327 /* ok */ +/* sysv ipc syscalls */ +#define __NR_semctl 328 /* ok */ +#define __NR_semget 329 /* ok */ +#define __NR_semop 330 /* ok */ +#define __NR_msgctl 331 /* ok */ +#define __NR_msgget 332 /* ok */ +#define __NR_msgrcv 333 /* ok */ +#define __NR_msgsnd 334 /* ok */ +#define __NR_shmat 335 /* ok */ +#define __NR_shmctl 336 /* ok */ +#define __NR_shmdt 337 /* ok */ +#define __NR_shmget 338 /* ok */ + + +#define __NR_signalfd4 339 /* new */ +#define __NR_eventfd2 340 /* new */ +#define __NR_epoll_create1 341 /* new */ +#define __NR_dup3 342 /* new */ +#define __NR_pipe2 343 /* new */ +#define __NR_inotify_init1 344 /* new */ +#define __NR_socket 345 /* new */ +#define __NR_socketpair 346 /* new */ +#define __NR_bind 347 /* new */ +#define __NR_listen 348 /* new */ +#define __NR_accept 349 /* new */ +#define __NR_connect 350 /* new */ +#define __NR_getsockname 351 /* new */ +#define __NR_getpeername 352 /* new */ +#define __NR_sendto 353 /* new */ +#define __NR_send 354 /* new */ +#define __NR_recvfrom 355 /* new */ +#define __NR_recv 356 /* new */ +#define __NR_setsockopt 357 /* new */ +#define __NR_getsockopt 358 /* new */ +#define __NR_shutdown 359 /* new */ +#define __NR_sendmsg 360 /* new */ +#define __NR_recvmsg 361 /* new */ +#define __NR_accept4 362 /* new */ +#define __NR_preadv 363 /* new */ +#define __NR_pwritev 364 /* new */ +#define __NR_rt_tgsigqueueinfo 365 /* new */ +#define __NR_perf_event_open 366 /* new */ +#define __NR_recvmmsg 367 /* new */ +#define __NR_fanotify_init 368 +#define __NR_fanotify_mark 369 +#define __NR_prlimit64 370 +#define __NR_name_to_handle_at 371 +#define __NR_open_by_handle_at 372 +#define __NR_clock_adjtime 373 +#define __NR_syncfs 374 +#define __NR_setns 375 +#define __NR_sendmmsg 376 +#define __NR_process_vm_readv 377 +#define __NR_process_vm_writev 378 +#define __NR_kcmp 379 +#define __NR_finit_module 380 +#define __NR_sched_setattr 381 +#define __NR_sched_getattr 382 + +#endif /* _UAPI_ASM_MICROBLAZE_UNISTD_H */ |