diff options
Diffstat (limited to 'arch/microblaze/include')
92 files changed, 2239 insertions, 2057 deletions
diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild index db5294c30ca..35b3ecaf25d 100644 --- a/arch/microblaze/include/asm/Kbuild +++ b/arch/microblaze/include/asm/Kbuild @@ -1,3 +1,11 @@ -include include/asm-generic/Kbuild.asm -header-y += elf.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/atomic.h b/arch/microblaze/include/asm/atomic.h index 6d2e1d418be..42ac382a09d 100644 --- a/arch/microblaze/include/asm/atomic.h +++ b/arch/microblaze/include/asm/atomic.h @@ -1,7 +1,9 @@ #ifndef _ASM_MICROBLAZE_ATOMIC_H #define _ASM_MICROBLAZE_ATOMIC_H +#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. @@ -20,5 +22,6 @@ static inline int atomic_dec_if_positive(atomic_t *v) return res; } +#define atomic_dec_if_positive atomic_dec_if_positive #endif /* _ASM_MICROBLAZE_ATOMIC_H */ diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h index e52210891d7..4efe96a036f 100644 --- a/arch/microblaze/include/asm/cache.h +++ b/arch/microblaze/include/asm/cache.h @@ -15,7 +15,7 @@ #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) diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h index a6edd356cd0..ffea82a16d2 100644 --- a/arch/microblaze/include/asm/cacheflush.h +++ b/arch/microblaze/include/asm/cacheflush.h @@ -17,6 +17,7 @@ /* Somebody depends on this; sigh... */ #include <linux/mm.h> +#include <linux/io.h> /* Look at Documentation/cachetlb.txt */ @@ -60,7 +61,6 @@ void microblaze_cache_init(void); #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) @@ -72,18 +72,25 @@ void microblaze_cache_init(void); #define flush_dcache() mbc->dfl(); #define flush_dcache_range(start, end) mbc->dflr(start, end); -#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 -/* D-cache aliasing problem can't happen - cache is between MMU and ram */ -#define flush_dcache_page(page) 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_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) - #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) 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 @@ -95,15 +102,23 @@ void microblaze_cache_init(void); #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) \ -do { \ - memcpy((dst), (src), (len)); \ -} while (0) +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 128bf03b54b..0185cbefdda 100644 --- a/arch/microblaze/include/asm/checksum.h +++ b/arch/microblaze/include/asm/checksum.h @@ -24,8 +24,13 @@ 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; } 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 b4f5ca33aeb..3337417fcdc 100644 --- a/arch/microblaze/include/asm/cpuinfo.h +++ b/arch/microblaze/include/asm/cpuinfo.h @@ -38,6 +38,8 @@ struct cpuinfo { u32 use_exc; u32 ver_code; u32 mmu; + u32 mmu_privins; + u32 endian; /* CPU caches */ u32 use_icache; @@ -76,7 +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; @@ -90,14 +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/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 78a038452c0..00000000000 --- a/arch/microblaze/include/asm/device.h +++ /dev/null @@ -1,36 +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; -}; - -struct pdev_archdata { -}; - -static inline void dev_archdata_set_node(struct dev_archdata *ad, - struct device_node *np) -{ - ad->of_node = np; -} - -static inline struct device_node * -dev_archdata_get_node(const struct dev_archdata *ad) -{ - return ad->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 d00e4009916..ab353723076 100644 --- a/arch/microblaze/include/asm/dma-mapping.h +++ b/arch/microblaze/include/asm/dma-mapping.h @@ -1 +1,142 @@ -#include <asm-generic/dma-mapping-broken.h> +/* + * Implements the generic device dma API for microblaze and the pci + * + * 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> + +#define DMA_ERROR_CODE (~(dma_addr_t)0x0) + +#define __dma_alloc_coherent(dev, gfp, size, handle) NULL +#define __dma_free_coherent(size, addr) ((void)0) + +/* + * Available generic sets of operations + */ +extern struct dma_map_ops dma_direct_ops; + +static inline struct dma_map_ops *get_dma_ops(struct device *dev) +{ + return &dma_direct_ops; +} + +static inline int dma_supported(struct device *dev, u64 mask) +{ + 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_set_mask(struct device *dev, u64 dma_mask) +{ + 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; +} + +#include <asm-generic/dma-mapping-common.h> + +static inline void __dma_sync(unsigned long paddr, + size_t size, enum dma_data_direction direction) +{ + 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 int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) +{ + struct dma_map_ops *ops = get_dma_ops(dev); + + debug_dma_mapping_error(dev, dma_addr); + if (ops->mapping_error) + return ops->mapping_error(dev, dma_addr); + + return (dma_addr == DMA_ERROR_CODE); +} + +#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(d, s, h, f) dma_alloc_attrs(d, s, h, f, NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) +{ + 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; +} + +#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) +{ + struct dma_map_ops *ops = get_dma_ops(dev); + + 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_cache_sync(struct device *dev, void *vaddr, size_t size, + enum dma_data_direction direction) +{ + BUG_ON(direction == DMA_NONE); + __dma_sync(virt_to_phys(vaddr), size, (int)direction); +} + +#endif /* _ASM_MICROBLAZE_DMA_MAPPING_H */ diff --git a/arch/microblaze/include/asm/dma.h b/arch/microblaze/include/asm/dma.h index 08c073badf1..0d73d0c6de3 100644 --- a/arch/microblaze/include/asm/dma.h +++ b/arch/microblaze/include/asm/dma.h @@ -18,4 +18,10 @@ #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 7d4acf2b278..65902444906 100644 --- a/arch/microblaze/include/asm/elf.h +++ b/arch/microblaze/include/asm/elf.h @@ -7,116 +7,24 @@ * 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__ - -/* - * 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 __LITTLE_ENDIAN__ -#define ELF_DATA ELFDATA2LSB +#ifdef __MICROBLAZEEL__ #else -#define ELF_DATA ELFDATA2MSB -#endif - -#define ELF_EXEC_PAGESIZE 4096 - - -#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->r1 = _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) - -#ifdef __KERNEL__ -#define SET_PERSONALITY(ex) set_personality(PER_LINUX_32BIT) #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 61abbd23264..b4a4cb150aa 100644 --- a/arch/microblaze/include/asm/entry.h +++ b/arch/microblaze/include/asm/entry.h @@ -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 */ @@ -29,42 +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__ */ - -#ifndef CONFIG_MMU - -/* noMMU hasn't any space for args */ -# define STATE_SAVE_ARG_SPACE (0) -#else /* CONFIG_MMU */ - -/* If true, system calls save and restore all registers (except result - * registers, of course). If false, then `call clobbered' registers - * will not be preserved, on the theory that system calls are basically - * function calls anyway, and the caller should be able to deal with it. - * This is a security risk, of course, as `internal' values may leak out - * after a system call, but that certainly doesn't matter very much for - * a processor with no MMU protection! For a protected-mode kernel, it - * would be faster to just zero those registers before returning. - * - * I can not rely on the glibc implementation. If you turn it off make - * sure that r11/r12 is saved in user-space. --KAA - * - * These are special variables using by the kernel trap/interrupt code - * to save registers in, at a time when there are no spare registers we - * can use to do so, and we can't depend on the value of the stack - * pointer. This means that they must be within a signed 16-bit - * displacement of 0x00000000. - */ - -/* A `state save frame' is a struct pt_regs preceded by some extra space - * suitable for a function call stack frame. */ - -/* Amount of room on the stack reserved for arguments and to satisfy the - * C calling conventions, in addition to the space used by the struct - * pt_regs that actually holds saved values. */ -#define STATE_SAVE_ARG_SPACE (6*4) /* Up to six arguments */ - -#endif /* CONFIG_MMU */ +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 90731df9e57..e6a8ddea1dc 100644 --- a/arch/microblaze/include/asm/exceptions.h +++ b/arch/microblaze/include/asm/exceptions.h @@ -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 */ @@ -61,31 +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); -#ifdef CONFIG_MMU -void __bug(const char *file, int line, void *data); -int bad_trap(int trap_num, struct pt_regs *regs); -int debug_trap(struct pt_regs *regs); -#endif /* CONFIG_MMU */ - -#if 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/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/futex.h b/arch/microblaze/include/asm/futex.h index 8dbb6e7a03a..01848f056f4 100644 --- a/arch/microblaze/include/asm/futex.h +++ b/arch/microblaze/include/asm/futex.h @@ -24,12 +24,12 @@ .word 1b,4b,2b,4b; \ .previous;" \ : "=&r" (oldval), "=&r" (ret) \ - : "b" (uaddr), "i" (-EFAULT), "r" (oparg) \ + : "r" (uaddr), "i" (-EFAULT), "r" (oparg) \ ); \ }) static inline int -futex_atomic_op_inuser(int encoded_op, int __user *uaddr) +futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; int cmp = (encoded_op >> 24) & 15; @@ -39,7 +39,7 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr) if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; pagefault_disable(); @@ -55,7 +55,7 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr) __futex_atomic_op("or %1,%0,%4;", ret, oldval, uaddr, oparg); break; case FUTEX_OP_ANDN: - __futex_atomic_op("and %1,%0,%4;", ret, oldval, uaddr, oparg); + __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); @@ -94,31 +94,34 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr) } static inline int -futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) { - int prev, cmp; + int ret = 0, cmp; + u32 prev; - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; - __asm__ __volatile__ ("1: lwx %0, %2, r0; \ - cmp %1, %0, %3; \ - beqi %1, 3f; \ - 2: swx %4, %2, r0; \ - addic %1, r0, 0; \ - bnei %1, 1b; \ + __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, %5; \ + addik %0, r0, %6; \ .previous; \ .section __ex_table,\"a\"; \ .word 1b,4b,2b,4b; \ .previous;" \ - : "=&r" (prev), "=&r"(cmp) \ + : "+r" (ret), "=&r" (prev), "=&r"(cmp) \ : "r" (uaddr), "r" (oldval), "r" (newval), "i" (-EFAULT)); - return prev; + *uval = prev; + return ret; } #endif /* __KERNEL__ */ diff --git a/arch/microblaze/include/asm/gpio.h b/arch/microblaze/include/asm/gpio.h index 2345ac354d9..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_MICROBLAZE_GPIO_H -#define _ASM_MICROBLAZE_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_MICROBLAZE_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 cd1ac9aad56..fb3c05a0cbb 100644 --- a/arch/microblaze/include/asm/hardirq.h +++ b/arch/microblaze/include/asm/hardirq.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_HARDIRQ_H -#define _ASM_MICROBLAZE_HARDIRQ_H - -/* should be defined in each interrupt controller driver */ -extern unsigned int get_irq(struct pt_regs *regs); - #include <asm-generic/hardirq.h> - -#endif /* _ASM_MICROBLAZE_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 fc9997b73c0..433751b2a00 100644 --- a/arch/microblaze/include/asm/io.h +++ b/arch/microblaze/include/asm/io.h @@ -16,194 +16,37 @@ #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; -} - -/* - * 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)) - #ifdef CONFIG_MMU - -#define mm_ptov(addr) ((void *)__phys_to_virt(addr)) -#define mm_vtop(addr) ((unsigned long)__virt_to_phys(addr)) -#define phys_to_virt(addr) ((void *)__phys_to_virt(addr)) -#define virt_to_phys(addr) ((unsigned long)__virt_to_phys(addr)) -#define virt_to_bus(addr) ((unsigned long)__virt_to_phys(addr)) - -#define __page_address(page) \ - (PAGE_OFFSET + (((page) - mem_map) << PAGE_SHIFT)) -#define page_to_phys(page) virt_to_phys((void *)__page_address(page)) #define page_to_bus(page) (page_to_phys(page)) -#define bus_to_virt(addr) (phys_to_virt(addr)) -extern void iounmap(void *addr); -/*extern void *__ioremap(phys_addr_t address, unsigned long size, - unsigned long flags);*/ -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)) - -#else /* CONFIG_MMU */ +extern void iounmap(void __iomem *addr); -/** - * 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); -} - -#define bus_to_virt(a) phys_to_virt(a) - -static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size, - unsigned long flags) -{ - return (void *)address; -} - -#define ioremap(physaddr, size) ((void __iomem *)(unsigned long)(physaddr)) -#define iounmap(addr) ((void)0) -#define ioremap_nocache(physaddr, size) ioremap(physaddr, size) +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)) #endif /* CONFIG_MMU */ -/* - * 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)) @@ -213,11 +56,8 @@ static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size, #define writel_be(v, a) out_be32((__force unsigned *)a, v) #define readl_be(a) in_be32((__force unsigned *)a) -/* - * Little endian - */ - -#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)) @@ -227,15 +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/irq.h b/arch/microblaze/include/asm/irq.h index 90f050535eb..bab3b1393ad 100644 --- a/arch/microblaze/include/asm/irq.h +++ b/arch/microblaze/include/asm/irq.h @@ -9,35 +9,13 @@ #ifndef _ASM_MICROBLAZE_IRQ_H #define _ASM_MICROBLAZE_IRQ_H -#define NR_IRQS 32 +#define NR_IRQS (32 + 1) #include <asm-generic/irq.h> -#include <linux/interrupt.h> - -extern unsigned int nr_irq; - -#define NO_IRQ (-1) - 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 2c38c6d8017..c9a6262832c 100644 --- a/arch/microblaze/include/asm/irqflags.h +++ b/arch/microblaze/include/asm/irqflags.h @@ -9,103 +9,114 @@ #ifndef _ASM_MICROBLAZE_IRQFLAGS_H #define _ASM_MICROBLAZE_IRQFLAGS_H -#include <linux/irqflags.h> +#include <linux/types.h> #include <asm/registers.h> -# if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR - -# define raw_local_irq_save(flags) \ - do { \ - asm volatile (" msrclr %0, %1; \ - nop;" \ - : "=r"(flags) \ - : "i"(MSR_IE) \ - : "memory"); \ - } while (0) - -# define raw_local_irq_disable() \ - do { \ - asm volatile (" msrclr r0, %0; \ - nop;" \ - : \ - : "i"(MSR_IE) \ - : "memory"); \ - } while (0) - -# define raw_local_irq_enable() \ - do { \ - asm volatile (" msrset r0, %0; \ - nop;" \ - : \ - : "i"(MSR_IE) \ - : "memory"); \ - } while (0) - -# else /* CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR == 0 */ - -# define raw_local_irq_save(flags) \ - do { \ - register unsigned tmp; \ - asm volatile (" mfs %0, rmsr; \ - nop; \ - andi %1, %0, %2; \ - mts rmsr, %1; \ - nop;" \ - : "=r"(flags), "=r" (tmp) \ - : "i"(~MSR_IE) \ - : "memory"); \ - } while (0) - -# define raw_local_irq_disable() \ - do { \ - register unsigned tmp; \ - asm volatile (" mfs %0, rmsr; \ - nop; \ - andi %0, %0, %1; \ - mts rmsr, %0; \ - nop;" \ - : "=r"(tmp) \ - : "i"(~MSR_IE) \ - : "memory"); \ - } while (0) - -# define raw_local_irq_enable() \ - do { \ - register unsigned tmp; \ - asm volatile (" mfs %0, rmsr; \ - nop; \ - ori %0, %0, %1; \ - mts rmsr, %0; \ - nop;" \ - : "=r"(tmp) \ - : "i"(MSR_IE) \ - : "memory"); \ - } while (0) - -# endif /* CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR */ - -#define raw_local_irq_restore(flags) \ - do { \ - asm volatile (" mts rmsr, %0; \ - nop;" \ - : \ - : "r"(flags) \ - : "memory"); \ - } while (0) - -static inline unsigned long get_msr(void) +#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; \ - nop;" \ - : "=r"(flags) \ - : \ - : "memory"); \ + asm volatile(" mfs %0, rmsr \n" + " nop \n" + : "=r"(flags) + : + : "memory"); return flags; } -#define raw_local_save_flags(flags) ((flags) = get_msr()) -#define raw_irqs_disabled() ((get_msr() & MSR_IE) == 0) -#define raw_irqs_disabled_flags(flags) ((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"); +} + +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/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/mmu.h b/arch/microblaze/include/asm/mmu.h index 8d6a654ceff..1f9edddf7f4 100644 --- a/arch/microblaze/include/asm/mmu.h +++ b/arch/microblaze/include/asm/mmu.h @@ -56,6 +56,12 @@ typedef struct _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__ */ /* @@ -69,6 +75,12 @@ extern void _tlbia(void); /* invalidate all TLB entries */ # 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. diff --git a/arch/microblaze/include/asm/mmu_context.h b/arch/microblaze/include/asm/mmu_context.h index 24eab1674d3..0ccd8c402cd 100644 --- a/arch/microblaze/include/asm/mmu_context.h +++ b/arch/microblaze/include/asm/mmu_context.h @@ -1,5 +1,5 @@ #ifdef CONFIG_MMU -# include "mmu_context_mm.h" +# 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 index 3e5c254e8d1..d6864774644 100644 --- a/arch/microblaze/include/asm/mmu_context_mm.h +++ b/arch/microblaze/include/asm/mmu_context_mm.h @@ -11,7 +11,7 @@ #ifndef _ASM_MICROBLAZE_MMU_CONTEXT_H #define _ASM_MICROBLAZE_MMU_CONTEXT_H -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/bitops.h> #include <asm/mmu.h> #include <asm-generic/mm_hooks.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 9b66c0fa9a3..fd850879854 100644 --- a/arch/microblaze/include/asm/page.h +++ b/arch/microblaze/include/asm/page.h @@ -23,23 +23,29 @@ #ifdef __KERNEL__ /* PAGE_SHIFT determines the page size */ -#define PAGE_SHIFT (12) -#define PAGE_SIZE (_AC(1, UL) << 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)) #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 /* @@ -62,28 +68,14 @@ extern unsigned int __page_offset; #define PAGE_OFFSET CONFIG_KERNEL_START /* - * MAP_NR -- given an address, calculate the index of the page struct which - * points to the address's page. - */ -#define MAP_NR(addr) (((unsigned long)(addr) - PAGE_OFFSET) >> PAGE_SHIFT) - -/* * The basic type of a PTE - 32 bit physical addressing. */ typedef unsigned long pte_basic_t; -#define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */ #define PTE_FMT "%.8lx" #endif /* CONFIG_MMU */ -# ifndef CONFIG_MMU -# 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 */ -extern void copy_page(void *to, void *from); -# 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) @@ -142,8 +134,10 @@ extern unsigned long min_low_pfn; extern unsigned long max_pfn; extern unsigned long memory_start; -extern unsigned long memory_end; extern unsigned long memory_size; +extern unsigned long lowmem_size; + +extern unsigned long kernel_tlb; extern int page_is_ram(unsigned long pfn); @@ -154,7 +148,11 @@ extern int page_is_ram(unsigned long pfn); # define pfn_to_virt(pfn) __va(pfn_to_phys((pfn))) # ifdef CONFIG_MMU -# define virt_to_page(kaddr) (mem_map + MAP_NR(kaddr)) + +# 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) + # 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))) @@ -170,22 +168,14 @@ extern int page_is_ram(unsigned long pfn); # else /* CONFIG_MMU */ # define ARCH_PFN_OFFSET (memory_start >> PAGE_SHIFT) # define pfn_valid(pfn) ((pfn) < (max_mapnr + ARCH_PFN_OFFSET)) -# define VALID_PAGE(page) ((page - mem_map) < max_mapnr) # endif /* CONFIG_MMU */ # endif /* __ASSEMBLY__ */ #define virt_addr_valid(vaddr) (pfn_valid(virt_to_pfn(vaddr))) - -# ifndef CONFIG_MMU -# define __pa(vaddr) ((unsigned long) (vaddr)) -# define __va(paddr) ((void *) (paddr)) -# else /* CONFIG_MMU */ -# define __pa(x) __virt_to_phys((unsigned long)(x)) -# define __va(x) ((void *)__phys_to_virt((unsigned long)(x))) -# endif /* CONFIG_MMU */ - +# 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. */ @@ -208,9 +198,6 @@ extern int page_is_ram(unsigned long pfn); #define TOPHYS(addr) __virt_to_phys(addr) #ifdef CONFIG_MMU -#ifdef CONFIG_CONTIGUOUS_PAGE_ALLOC -#define WANT_PAGE_VIRTUAL 1 /* page alloc 2 relies on this */ -#endif #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) 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 9f0df5faf2c..468aca8cec0 100644 --- a/arch/microblaze/include/asm/pci.h +++ b/arch/microblaze/include/asm/pci.h @@ -1 +1,142 @@ -#include <asm-generic/pci.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 7547f506456..7fdf7fabc7d 100644 --- a/arch/microblaze/include/asm/pgalloc.h +++ b/arch/microblaze/include/asm/pgalloc.h @@ -19,6 +19,7 @@ #include <asm/io.h> #include <asm/page.h> #include <asm/cache.h> +#include <asm/pgtable.h> #define PGDIR_ORDER 0 @@ -107,22 +108,7 @@ extern inline void free_pgd_slow(pgd_t *pgd) #define pmd_alloc_one_fast(mm, address) ({ BUG(); ((pmd_t *)1); }) #define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); }) -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, - unsigned long address) -{ - pte_t *pte; - extern int mem_init_done; - extern void *early_get_page(void); - if (mem_init_done) { - pte = (pte_t *)__get_free_page(GFP_KERNEL | - __GFP_REPEAT | __GFP_ZERO); - } else { - pte = (pte_t *)early_get_page(); - if (pte) - clear_page(pte); - } - return pte; -} +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) @@ -136,8 +122,13 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, #endif ptepage = alloc_pages(flags, 0); - if (ptepage) - clear_highpage(ptepage); + if (!ptepage) + return NULL; + clear_highpage(ptepage); + if (!pgtable_page_ctor(ptepage)) { + __free_page(ptepage); + return NULL; + } return ptepage; } @@ -172,14 +163,16 @@ extern inline void pte_free_slow(struct page *ptepage) __free_page(ptepage); } -extern inline void pte_free(struct mm_struct *mm, struct 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)) = page_address(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)) diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index cc3a4dfc3ea..95cef0b5f83 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -13,8 +13,9 @@ #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 @@ -51,6 +52,15 @@ 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> @@ -68,7 +78,6 @@ static inline int pte_file(pte_t pte) { return 0; } extern unsigned long va_to_phys(unsigned long address); extern pte_t *va_to_pte(unsigned long address); -extern unsigned long ioremap_bot, ioremap_base; /* * The following only work if pte_present() is true. @@ -82,14 +91,27 @@ 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 + \ - max(32 * 1024 * 1024UL, memory_size)) +#define VMALLOC_START (CONFIG_KERNEL_START + CONFIG_LOWMEM_SIZE) #define VMALLOC_END ioremap_bot -#define VMALLOC_VMADDR(x) ((unsigned long)(x)) #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. @@ -209,12 +231,6 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } #ifndef _PAGE_SHARED #define _PAGE_SHARED 0 #endif -#ifndef _PAGE_HWWRITE -#define _PAGE_HWWRITE 0 -#endif -#ifndef _PAGE_HWEXEC -#define _PAGE_HWEXEC 0 -#endif #ifndef _PAGE_EXEC #define _PAGE_EXEC 0 #endif @@ -385,20 +401,19 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) static inline unsigned long pte_update(pte_t *p, unsigned long clr, unsigned long set) { - unsigned long old, tmp, msr; - - __asm__ __volatile__("\ - msrclr %2, 0x2\n\ - nop\n\ - lw %0, %4, r0\n\ - andn %1, %0, %5\n\ - or %1, %1, %6\n\ - sw %1, %4, r0\n\ - mts rmsr, %2\n\ - nop" - : "=&r" (old), "=&r" (tmp), "=&r" (msr), "=m" (*p) - : "r" ((unsigned long)(p+1) - 4), "r" (clr), "r" (set), "m" (*p) - : "cc"); + 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; } @@ -418,8 +433,9 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, *ptep = pte; } -static inline int ptep_test_and_clear_young(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) +#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; } @@ -431,6 +447,7 @@ static inline int ptep_test_and_clear_dirty(struct mm_struct *mm, (_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) { @@ -478,12 +495,9 @@ static inline pmd_t *pmd_offset(pgd_t *dir, unsigned long address) #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)), KM_PTE0) + pte_index(addr)) -#define pte_offset_map_nested(dir, addr) \ - ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE1) + pte_index(addr)) + ((pte_t *) kmap_atomic(pmd_page(*(dir))) + pte_index(addr)) -#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0) -#define pte_unmap_nested(pte) kunmap_atomic(pte, KM_PTE1) +#define pte_unmap(pte) kunmap_atomic(pte) /* Encode and decode a nonlinear file mapping entry */ #define PTE_FILE_MAX_BITS 29 @@ -493,15 +507,6 @@ static inline pmd_t *pmd_offset(pgd_t *dir, unsigned long address) extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; /* - * When flushing the tlb entry for a page, we also need to flush the hash - * table entry. flush_hash_page is assembler (for speed) in hashtable.S. - */ -extern int flush_hash_page(unsigned context, unsigned long va, pte_t *ptep); - -/* Add an HPTE to the hash table */ -extern void add_hash_page(unsigned context, unsigned long va, pte_t *ptep); - -/* * 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 @@ -514,15 +519,7 @@ extern void add_hash_page(unsigned context, unsigned long va, pte_t *ptep); #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) >> 2 }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val << 2 }) - -/* CONFIG_APUS */ -/* For virtual address to physical address conversion */ -extern void cache_clear(__u32 addr, int length); -extern void cache_push(__u32 addr, int length); -extern int mm_end_of_chunk(unsigned long addr, int len); extern unsigned long iopa(unsigned long addr); -/* extern unsigned long mm_ptov(unsigned long addr) \ - __attribute__ ((const)); TBD */ /* Values for nocacheflag and cmode */ /* These are not used by the APUS kernel_map, but prevents @@ -533,23 +530,9 @@ extern unsigned long iopa(unsigned long addr); #define IOMAP_NOCACHE_NONSER 2 #define IOMAP_NO_COPYBACK 3 -/* - * Map some physical address range into the kernel address space. - */ -extern unsigned long kernel_map(unsigned long paddr, unsigned long size, - int nocacheflag, unsigned long *memavailp); - -/* - * Set cache mode of (kernel space) address range. - */ -extern void kernel_set_cachemode(unsigned long address, unsigned long size, - unsigned int cmode); - /* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ #define kern_addr_valid(addr) (1) -#define io_remap_page_range remap_page_range - /* * No page table caches to initialise */ @@ -558,26 +541,15 @@ extern void kernel_set_cachemode(unsigned long address, unsigned long size, void do_page_fault(struct pt_regs *regs, unsigned long address, unsigned long error_code); -void __init io_block_mapping(unsigned long virt, phys_addr_t phys, - unsigned int size, int flags); - -void __init adjust_total_lowmem(void); void mapin_ram(void); int map_page(unsigned long va, phys_addr_t pa, int flags); extern int mem_init_done; -extern unsigned long ioremap_base; -extern unsigned long ioremap_bot; asmlinkage void __init mmu_init(void); void __init *early_get_page(void); -void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle); -void consistent_free(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); #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ @@ -586,6 +558,14 @@ void consistent_sync_page(struct page *page, unsigned long offset, #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/processor.h b/arch/microblaze/include/asm/processor.h index 563c6b9453f..9d31b057c35 100644 --- a/arch/microblaze/include/asm/processor.h +++ b/arch/microblaze/include/asm/processor.h @@ -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> @@ -23,8 +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) #define task_pt_regs(tsk) \ (((struct pt_regs *)(THREAD_SIZE + task_stack_page(tsk))) - 1) @@ -32,6 +29,9 @@ 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 @@ -78,11 +78,6 @@ extern unsigned long thread_saved_pc(struct task_struct *t); extern unsigned long get_wchan(struct task_struct *p); -/* - * create a kernel thread without removing it from tasklists - */ -extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); - # define KSTK_EIP(tsk) (0) # define KSTK_ESP(tsk) (0) @@ -126,17 +121,11 @@ struct thread_struct { .pgdir = swapper_pg_dir, \ } -/* Do necessary setup to start up a newly executed thread. */ -void start_thread(struct pt_regs *regs, - unsigned long pc, unsigned long usp); - /* Free all resources held by a thread. */ -extern inline void release_thread(struct task_struct *dead_task) +static inline void release_thread(struct task_struct *dead_task) { } -extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); - /* Free current thread data structures etc. */ static inline void exit_thread(void) { @@ -156,7 +145,7 @@ unsigned long get_wchan(struct task_struct *p); # define task_regs(task) ((struct pt_regs *)task_tos(task) - 1) # define task_pt_regs_plus_args(tsk) \ - (((void *)task_pt_regs(tsk)) - STATE_SAVE_ARG_SPACE) + ((void *)task_pt_regs(tsk)) # define task_sp(task) (task_regs(task)->r1) # define task_pc(task) (task_regs(task)->pc) @@ -170,6 +159,10 @@ unsigned long get_wchan(struct task_struct *p); # 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 ef3ec1d6ceb..2f03ac81585 100644 --- a/arch/microblaze/include/asm/prom.h +++ b/arch/microblaze/include/asm/prom.h @@ -11,177 +11,17 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ - -#include <linux/of.h> /* linux/of.h gets to determine #include ordering */ - #ifndef _ASM_MICROBLAZE_PROM_H #define _ASM_MICROBLAZE_PROM_H -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ - -#include <linux/types.h> -#include <linux/of_fdt.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)) - -extern struct device_node *of_chosen; - -#define HAVE_ARCH_DEVTREE_FIXUPS -extern struct device_node *allnodes; /* temporary while merging */ -extern rwlock_t devtree_lock; /* temporary while merging */ - -/* 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 int early_uartlite_console(void); - -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 - */ - -/* 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); +extern int of_early_console(void *version); -#endif /* __ASSEMBLY__ */ -#endif /* __KERNEL__ */ #endif /* _ASM_MICROBLAZE_PROM_H */ diff --git a/arch/microblaze/include/asm/ptrace.h b/arch/microblaze/include/asm/ptrace.h index d74dbfb92c0..5b18ec124e5 100644 --- a/arch/microblaze/include/asm/ptrace.h +++ b/arch/microblaze/include/asm/ptrace.h @@ -5,77 +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__ - -typedef unsigned long microblaze_reg_t; +#include <uapi/asm/ptrace.h> -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; -}; - -#ifdef __KERNEL__ +#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 *); - -#else /* __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 */ +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 e38abc7714b..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 @@ -109,105 +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_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_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_USE_WRITEBACK(_pvr) \ + ((_pvr.pvr[5] & PVR5_DCACHE_USE_WRITEBACK) >> 14) -#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_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_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_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/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 4487e150b45..1b281d3ea73 100644 --- a/arch/microblaze/include/asm/sections.h +++ b/arch/microblaze/include/asm/sections.h @@ -16,11 +16,6 @@ # ifndef __ASSEMBLY__ extern char _ssbss[], _esbss[]; extern unsigned long __ivt_start[], __ivt_end[]; -extern char _etext[], _stext[]; - -# ifdef CONFIG_MTD_UCLINUX -extern char *_ebss; -# endif extern u32 _fdt_start[], _fdt_end[]; diff --git a/arch/microblaze/include/asm/segment.h b/arch/microblaze/include/asm/segment.h deleted file mode 100644 index 0e7102c3fb1..00000000000 --- a/arch/microblaze/include/asm/segment.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * 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_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 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) - -# 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/setup.h b/arch/microblaze/include/asm/setup.h index 7f31394985e..be84a4d3917 100644 --- a/arch/microblaze/include/asm/setup.h +++ b/arch/microblaze/include/asm/setup.h @@ -7,28 +7,24 @@ * 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]; -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); - -unsigned long long sched_clock(void); +void microblaze_heartbeat(void); +void microblaze_setup_heartbeat(void); # ifdef CONFIG_MMU extern void mmu_reset(void); @@ -40,13 +36,16 @@ 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 msr); + 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); -# endif/* __KERNEL__ */ +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/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 index 048dfcd8d89..9bc43178310 100644 --- a/arch/microblaze/include/asm/syscall.h +++ b/arch/microblaze/include/asm/syscall.h @@ -96,4 +96,7 @@ static inline void syscall_set_arguments(struct task_struct *task, 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 720761cc741..00000000000 --- a/arch/microblaze/include/asm/syscalls.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef __ASM_MICROBLAZE_SYSCALLS_H - -asmlinkage long sys_clone(int flags, unsigned long stack, struct pt_regs *regs); -#define sys_clone sys_clone - -#include <asm-generic/syscalls.h> - -#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 157970688b2..00000000000 --- a/arch/microblaze/include/asm/system.h +++ /dev/null @@ -1,96 +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> - -#include <asm-generic/cmpxchg.h> -#include <asm-generic/cmpxchg-local.h> - -#define __ARCH_WANT_INTERRUPTS_ON_CTXSW - -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/thread_info.h b/arch/microblaze/include/asm/thread_info.h index 6e92885d381..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 */ @@ -103,8 +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 @@ -118,29 +119,21 @@ 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_MEMDIE 6 /* is terminating due to OOM killer */ #define TIF_SYSCALL_AUDIT 9 /* syscall auditing active */ #define TIF_SECCOMP 10 /* secure computing */ -#define TIF_FREEZE 14 /* Freezing for suspend */ - -/* FIXME change in entry.S */ -#define TIF_KERNEL_TRACE 8 /* kernel trace active */ /* 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_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) -#define _TIF_KERNEL_TRACE (1 << TIF_KERNEL_TRACE) /* work to do in syscall trace */ #define _TIF_WORK_SYSCALL_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \ @@ -169,7 +162,23 @@ static inline void set_restore_sigmask(void) { struct thread_info *ti = current_thread_info(); ti->status |= TS_RESTORE_SIGMASK; - set_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags); + 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 diff --git a/arch/microblaze/include/asm/tlb.h b/arch/microblaze/include/asm/tlb.h index e8abd4a0349..8aa97817cc8 100644 --- a/arch/microblaze/include/asm/tlb.h +++ b/arch/microblaze/include/asm/tlb.h @@ -13,6 +13,7 @@ #define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) +#include <linux/pagemap.h> #include <asm-generic/tlb.h> #ifdef CONFIG_MMU diff --git a/arch/microblaze/include/asm/tlbflush.h b/arch/microblaze/include/asm/tlbflush.h index eb31a0e8a77..2e1353c2d18 100644 --- a/arch/microblaze/include/asm/tlbflush.h +++ b/arch/microblaze/include/asm/tlbflush.h @@ -23,7 +23,8 @@ extern void _tlbie(unsigned long address); extern void _tlbia(void); -#define __tlbia() _tlbia() +#define __tlbia() { preempt_disable(); _tlbia(); preempt_enable(); } +#define __tlbie(x) { _tlbie(x); } static inline void local_flush_tlb_all(void) { __tlbia(); } @@ -31,14 +32,14 @@ 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); } + { __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, pte) 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 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 b9e79bc580d..00000000000 --- a/arch/microblaze/include/asm/types.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/types.h> diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index 371bd6e56d9..0aa005703a0 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -22,129 +22,206 @@ #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 -#define __clear_user(addr, n) (memset((void *)(addr), 0, (n)), 0) +/* + * 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 -extern int ___range_ok(unsigned long addr, unsigned long size); +/* 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) - -/* Undefined function to trigger linker error */ -extern int bad_user_access_length(void); - -/* 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)) +#else -/* FIXME is not there defined __pu_val */ -#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; \ - } \ - __pu_err; \ -}) - -#define __put_user_bad() (bad_user_access_length(), (-EFAULT)) - -#define put_user(x, ptr) __put_user((x), (ptr)) -#define get_user(x, ptr) __get_user((x), (ptr)) +static inline int access_ok(int type, const void __user *addr, + unsigned long size) +{ + 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; +} +#endif -#define copy_to_user(to, from, n) (memcpy((to), (from), (n)), 0) -#define copy_from_user(to, from, n) (memcpy((to), (from), (n)), 0) +#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 -#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))) +extern unsigned long __copy_tofrom_user(void __user *to, + const void __user *from, unsigned long size); -static inline unsigned long clear_user(void *addr, 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) { - if (access_ok(VERIFY_WRITE, addr, size)) - size = __clear_user(addr, size); - return size; + /* 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; } -/* Returns 0 if exception not found and fixup otherwise. */ -extern unsigned long search_exception_table(unsigned long); - -extern long strncpy_from_user(char *dst, const char *src, long count); -extern long strnlen_user(const char *src, long count); +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; -#else /* CONFIG_MMU */ + return __clear_user(to, n); +} -/* - * Address is valid if: - * - "addr", "addr + size" and "size" are all below the limit - */ -#define access_ok(type, addr, size) \ - (get_fs().seg > (((unsigned long)(addr)) | \ - (size) | ((unsigned long)(addr) + (size)))) +/* put_user and get_user macros */ +extern long __user_bad(void); -/* || printk("access_ok failed for %s at 0x%08lx (size %d), seg 0x%08x\n", - type?"WRITE":"READ",addr,size,get_fs().seg)) */ +#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) \ + ); \ +}) -/* - * All the __XXX versions macros/functions below do not perform - * access checking. It is assumed that the necessary checks have been - * already performed before the finction (macro) is called. +/** + * 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) \ -({ \ - access_ok(VERIFY_READ, (ptr), sizeof(*(ptr))) \ - ? __get_user((x), (ptr)) : -EFAULT; \ -}) + __get_user_check((x), (ptr), sizeof(*(ptr))) -#define put_user(x, ptr) \ +#define __get_user_check(x, ptr, size) \ ({ \ - access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr))) \ - ? __put_user((x), (ptr)) : -EFAULT; \ + 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; \ + } \ + } else { \ + __gu_err = -EFAULT; \ + } \ + x = (typeof(*(ptr)))__gu_val; \ + __gu_err; \ }) #define __get_user(x, ptr) \ @@ -163,28 +240,101 @@ extern long strnlen_user(const char *src, long count); __get_user_asm("lw", (ptr), __gu_val, __gu_err); \ break; \ default: \ - __gu_val = 0; __gu_err = -EINVAL; \ + /* __gu_val = 0; __gu_err = -EINVAL;*/ __gu_err = __user_bad();\ } \ x = (__typeof__(*(ptr))) __gu_val; \ __gu_err; \ }) -#define __get_user_asm(insn, __gu_ptr, __gu_val, __gu_err) \ + +#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 __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) \ + ); \ +}) + +/** + * 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) \ ({ \ - __asm__ __volatile__ ( \ - "1:" insn " %1, %2, r0; \ - addk %0, r0, r0; \ - 2: \ - .section .fixup,\"ax\"; \ - 3: brid 2b; \ - addik %0, r0, %3; \ - .previous; \ - .section __ex_table,\"a\"; \ - .word 1b,3b; \ - .previous;" \ - : "=r"(__gu_err), "=r"(__gu_val) \ - : "r"(__gu_ptr), "i"(-EFAULT) \ - ); \ + 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) \ @@ -195,7 +345,7 @@ extern long strnlen_user(const char *src, long count); case 1: \ __put_user_asm("sb", (ptr), __gu_val, __gu_err); \ break; \ - case 2: \ + case 2: \ __put_user_asm("sh", (ptr), __gu_val, __gu_err); \ break; \ case 4: \ @@ -205,121 +355,70 @@ extern long strnlen_user(const char *src, long count); __put_user_asm_8((ptr), __gu_val, __gu_err); \ break; \ default: \ - __gu_err = -EINVAL; \ + /*__gu_err = -EINVAL;*/ __gu_err = __user_bad(); \ } \ __gu_err; \ }) -#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: \ - .section .fixup,\"ax\"; \ - 4: brid 3b; \ - addik %0, r0, %3; \ - .previous; \ - .section __ex_table,\"a\"; \ - .word 1b,4b,2b,4b; \ - .previous;" \ - : "=&r"(__gu_err) \ - : "r"(&__gu_val), \ - "r"(__gu_ptr), "i"(-EFAULT) \ - ); \ -}) -#define __put_user_asm(insn, __gu_ptr, __gu_val, __gu_err) \ -({ \ - __asm__ __volatile__ ( \ - "1:" insn " %1, %2, r0; \ - addk %0, r0, r0; \ - 2: \ - .section .fixup,\"ax\"; \ - 3: brid 2b; \ - addik %0, r0, %3; \ - .previous; \ - .section __ex_table,\"a\"; \ - .word 1b,3b; \ - .previous;" \ - : "=r"(__gu_err) \ - : "r"(__gu_val), "r"(__gu_ptr), "i"(-EFAULT) \ - ); \ -}) +/* 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)) -/* - * Return: number of not copied bytes, i.e. 0 if OK or non-zero if fail. - */ -static inline int clear_user(char *to, int size) +static inline long copy_from_user(void *to, + const void __user *from, unsigned long n) { - if (size && access_ok(VERIFY_WRITE, to, size)) { - __asm__ __volatile__ (" \ - 1: \ - sb r0, %2, r0; \ - addik %0, %0, -1; \ - bneid %0, 1b; \ - addik %2, %2, 1; \ - 2: \ - .section __ex_table,\"a\"; \ - .word 1b,2b; \ - .section .text;" \ - : "=r"(size) \ - : "0"(size), "r"(to) - ); - } - return size; + might_fault(); + if (access_ok(VERIFY_READ, from, n)) + return __copy_from_user(to, from, n); + return n; } -#define __copy_from_user(to, from, n) copy_from_user((to), (from), (n)) -#define __copy_from_user_inatomic(to, from, n) \ - copy_from_user((to), (from), (n)) - -#define copy_to_user(to, from, n) \ - (access_ok(VERIFY_WRITE, (to), (n)) ? \ - __copy_tofrom_user((void __user *)(to), \ - (__force const void __user *)(from), (n)) \ - : -EFAULT) - -#define __copy_to_user(to, from, n) copy_to_user((to), (from), (n)) -#define __copy_to_user_inatomic(to, from, n) copy_to_user((to), (from), (n)) +#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)) -#define copy_from_user(to, from, n) \ - (access_ok(VERIFY_READ, (from), (n)) ? \ - __copy_tofrom_user((__force void __user *)(to), \ - (void __user *)(from), (n)) \ - : -EFAULT) +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); -extern int __strnlen_user(const char __user *sstr, int len); - -#define strncpy_from_user(to, from, len) \ - (access_ok(VERIFY_READ, from, 1) ? \ - __strncpy_user(to, from, len) : -EFAULT) -#define strnlen_user(str, len) \ - (access_ok(VERIFY_READ, str, 1) ? __strnlen_user(str, len) : 0) -#endif /* CONFIG_MMU */ +#define __strncpy_from_user __strncpy_user -extern unsigned long __copy_tofrom_user(void __user *to, - const void __user *from, unsigned long size); +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/unaligned.h b/arch/microblaze/include/asm/unaligned.h index 3658d91ac0f..b162ed88049 100644 --- a/arch/microblaze/include/asm/unaligned.h +++ b/arch/microblaze/include/asm/unaligned.h @@ -12,12 +12,19 @@ # ifdef __KERNEL__ -# include <linux/unaligned/be_struct.h> -# include <linux/unaligned/le_byteshift.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 2b67e92a773..fd56a8f6648 100644 --- a/arch/microblaze/include/asm/unistd.h +++ b/arch/microblaze/include/asm/unistd.h @@ -6,397 +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_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 */ +#include <uapi/asm/unistd.h> -#define __NR_syscalls 368 - -#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 @@ -410,17 +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/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/asm/bitsperlong.h b/arch/microblaze/include/uapi/asm/bitsperlong.h index 6dc0bb0c13b..6dc0bb0c13b 100644 --- a/arch/microblaze/include/asm/bitsperlong.h +++ b/arch/microblaze/include/uapi/asm/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/asm/ioctls.h b/arch/microblaze/include/uapi/asm/ioctls.h index ec34c760665..ec34c760665 100644 --- a/arch/microblaze/include/asm/ioctls.h +++ b/arch/microblaze/include/uapi/asm/ioctls.h diff --git a/arch/microblaze/include/asm/ipcbuf.h b/arch/microblaze/include/uapi/asm/ipcbuf.h index 84c7e51cb6d..84c7e51cb6d 100644 --- a/arch/microblaze/include/asm/ipcbuf.h +++ b/arch/microblaze/include/uapi/asm/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/asm/mman.h b/arch/microblaze/include/uapi/asm/mman.h index 8eebf89f5ab..8eebf89f5ab 100644 --- a/arch/microblaze/include/asm/mman.h +++ b/arch/microblaze/include/uapi/asm/mman.h diff --git a/arch/microblaze/include/asm/msgbuf.h b/arch/microblaze/include/uapi/asm/msgbuf.h index 809134c644a..809134c644a 100644 --- a/arch/microblaze/include/asm/msgbuf.h +++ b/arch/microblaze/include/uapi/asm/msgbuf.h diff --git a/arch/microblaze/include/asm/param.h b/arch/microblaze/include/uapi/asm/param.h index 965d4542797..965d4542797 100644 --- a/arch/microblaze/include/asm/param.h +++ b/arch/microblaze/include/uapi/asm/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/asm/posix_types.h b/arch/microblaze/include/uapi/asm/posix_types.h index 0e15039673e..0e15039673e 100644 --- a/arch/microblaze/include/asm/posix_types.h +++ b/arch/microblaze/include/uapi/asm/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/asm/sembuf.h b/arch/microblaze/include/uapi/asm/sembuf.h index 7673b83cfef..7673b83cfef 100644 --- a/arch/microblaze/include/asm/sembuf.h +++ b/arch/microblaze/include/uapi/asm/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/asm/shmbuf.h b/arch/microblaze/include/uapi/asm/shmbuf.h index 83c05fc2de3..83c05fc2de3 100644 --- a/arch/microblaze/include/asm/shmbuf.h +++ b/arch/microblaze/include/uapi/asm/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/asm/siginfo.h b/arch/microblaze/include/uapi/asm/siginfo.h index 0815d29d82e..0815d29d82e 100644 --- a/arch/microblaze/include/asm/siginfo.h +++ b/arch/microblaze/include/uapi/asm/siginfo.h diff --git a/arch/microblaze/include/asm/signal.h b/arch/microblaze/include/uapi/asm/signal.h index 7b1573ce19d..7b1573ce19d 100644 --- a/arch/microblaze/include/asm/signal.h +++ b/arch/microblaze/include/uapi/asm/signal.h diff --git a/arch/microblaze/include/asm/socket.h b/arch/microblaze/include/uapi/asm/socket.h index 6b71384b9d8..6b71384b9d8 100644 --- a/arch/microblaze/include/asm/socket.h +++ b/arch/microblaze/include/uapi/asm/socket.h diff --git a/arch/microblaze/include/asm/sockios.h b/arch/microblaze/include/uapi/asm/sockios.h index def6d4746ee..def6d4746ee 100644 --- a/arch/microblaze/include/asm/sockios.h +++ b/arch/microblaze/include/uapi/asm/sockios.h diff --git a/arch/microblaze/include/asm/stat.h b/arch/microblaze/include/uapi/asm/stat.h index 3dc90fa92c7..3dc90fa92c7 100644 --- a/arch/microblaze/include/asm/stat.h +++ b/arch/microblaze/include/uapi/asm/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/asm/swab.h b/arch/microblaze/include/uapi/asm/swab.h index 7847e563ab6..7847e563ab6 100644 --- a/arch/microblaze/include/asm/swab.h +++ b/arch/microblaze/include/uapi/asm/swab.h diff --git a/arch/microblaze/include/asm/termbits.h b/arch/microblaze/include/uapi/asm/termbits.h index 3935b106de7..3935b106de7 100644 --- a/arch/microblaze/include/asm/termbits.h +++ b/arch/microblaze/include/uapi/asm/termbits.h diff --git a/arch/microblaze/include/asm/termios.h b/arch/microblaze/include/uapi/asm/termios.h index 280d78a9d96..280d78a9d96 100644 --- a/arch/microblaze/include/asm/termios.h +++ b/arch/microblaze/include/uapi/asm/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 */ |