diff options
Diffstat (limited to 'arch/openrisc/include')
19 files changed, 149 insertions, 166 deletions
diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild index 0922959663a..480af0d9c2f 100644 --- a/arch/openrisc/include/asm/Kbuild +++ b/arch/openrisc/include/asm/Kbuild @@ -1,6 +1,4 @@ -include include/asm-generic/Kbuild.asm -header-y += elf.h header-y += ucontext.h generic-y += atomic.h @@ -11,8 +9,9 @@ generic-y += bug.h generic-y += bugs.h generic-y += cacheflush.h generic-y += checksum.h -generic-y += cmpxchg.h +generic-y += clkdev.h generic-y += cmpxchg-local.h +generic-y += cmpxchg.h generic-y += cputime.h generic-y += current.h generic-y += device.h @@ -26,6 +25,7 @@ generic-y += fcntl.h generic-y += ftrace.h generic-y += futex.h generic-y += hardirq.h +generic-y += hash.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ioctls.h @@ -33,7 +33,9 @@ generic-y += ipcbuf.h generic-y += irq_regs.h generic-y += kdebug.h generic-y += kmap_types.h +generic-y += kvm_para.h generic-y += local.h +generic-y += mcs_spinlock.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h @@ -41,6 +43,7 @@ generic-y += pci.h generic-y += percpu.h generic-y += poll.h generic-y += posix_types.h +generic-y += preempt.h generic-y += resource.h generic-y += scatterlist.h generic-y += sections.h @@ -53,15 +56,18 @@ generic-y += siginfo.h generic-y += signal.h generic-y += socket.h generic-y += sockios.h -generic-y += statfs.h generic-y += stat.h +generic-y += statfs.h generic-y += string.h -generic-y += switch_to.h generic-y += swab.h +generic-y += switch_to.h generic-y += termbits.h generic-y += termios.h generic-y += topology.h +generic-y += trace_clock.h generic-y += types.h generic-y += ucontext.h generic-y += user.h +generic-y += vga.h generic-y += word-at-a-time.h +generic-y += xor.h diff --git a/arch/openrisc/include/asm/bitops.h b/arch/openrisc/include/asm/bitops.h index a9e11efae14..3003cdad561 100644 --- a/arch/openrisc/include/asm/bitops.h +++ b/arch/openrisc/include/asm/bitops.h @@ -27,14 +27,7 @@ #include <linux/irqflags.h> #include <linux/compiler.h> - -/* - * clear_bit may not imply a memory barrier - */ -#ifndef smp_mb__before_clear_bit -#define smp_mb__before_clear_bit() smp_mb() -#define smp_mb__after_clear_bit() smp_mb() -#endif +#include <asm/barrier.h> #include <asm/bitops/__ffs.h> #include <asm-generic/bitops/ffz.h> @@ -54,6 +47,7 @@ #include <asm-generic/bitops/atomic.h> #include <asm-generic/bitops/non-atomic.h> +#include <asm-generic/bitops/le.h> #include <asm-generic/bitops/ext2-atomic.h> #endif /* __ASM_GENERIC_BITOPS_H */ diff --git a/arch/openrisc/include/asm/elf.h b/arch/openrisc/include/asm/elf.h index a8fe2c51307..d334e204bbd 100644 --- a/arch/openrisc/include/asm/elf.h +++ b/arch/openrisc/include/asm/elf.h @@ -15,60 +15,12 @@ * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ - #ifndef __ASM_OPENRISC_ELF_H #define __ASM_OPENRISC_ELF_H -/* - * This files is partially exported to userspace. This allows us to keep - * the ELF bits in one place which should assist in keeping the kernel and - * userspace in sync. - */ - -/* - * ELF register definitions.. - */ - -/* for struct user_regs_struct definition */ -#include <asm/ptrace.h> - -/* The OR1K relocation types... not all relevant for module loader */ -#define R_OR32_NONE 0 -#define R_OR32_32 1 -#define R_OR32_16 2 -#define R_OR32_8 3 -#define R_OR32_CONST 4 -#define R_OR32_CONSTH 5 -#define R_OR32_JUMPTARG 6 -#define R_OR32_VTINHERIT 7 -#define R_OR32_VTENTRY 8 - -typedef unsigned long elf_greg_t; - -/* - * Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is - * thus exposed to user-space. - */ -#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) -typedef elf_greg_t elf_gregset_t[ELF_NGREG]; - -/* A placeholder; OR32 does not have fp support yes, so no fp regs for now. */ -typedef unsigned long elf_fpregset_t; - -/* This should be moved to include/linux/elf.h */ -#define EM_OR32 0x8472 -#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ - -/* - * These are used to set parameters in the core dumps. - */ -#define ELF_ARCH EM_OR32 -#define ELF_CLASS ELFCLASS32 -#define ELF_DATA ELFDATA2MSB - -#ifdef __KERNEL__ #include <linux/types.h> +#include <uapi/asm/elf.h> /* * This is used to ensure we don't load something for the wrong architecture. @@ -110,7 +62,4 @@ extern void dump_elf_thread(elf_greg_t *dest, struct pt_regs *pt); #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex) set_personality(PER_LINUX) - -#endif /* __KERNEL__ */ #endif diff --git a/arch/openrisc/include/asm/io.h b/arch/openrisc/include/asm/io.h index 07f5299d6c2..7c691399da3 100644 --- a/arch/openrisc/include/asm/io.h +++ b/arch/openrisc/include/asm/io.h @@ -30,6 +30,7 @@ #define PIO_MASK 0 #include <asm-generic/io.h> +#include <asm/pgtable.h> extern void __iomem *__ioremap(phys_addr_t offset, unsigned long size, pgprot_t prot); diff --git a/arch/openrisc/include/asm/kvm_para.h b/arch/openrisc/include/asm/kvm_para.h deleted file mode 100644 index 14fab8f0b95..00000000000 --- a/arch/openrisc/include/asm/kvm_para.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/kvm_para.h> diff --git a/arch/openrisc/include/asm/pgalloc.h b/arch/openrisc/include/asm/pgalloc.h index 05c39ecd2ef..21484e5b9e9 100644 --- a/arch/openrisc/include/asm/pgalloc.h +++ b/arch/openrisc/include/asm/pgalloc.h @@ -78,8 +78,13 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, { struct page *pte; pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0); - if (pte) - clear_page(page_address(pte)); + if (!pte) + return NULL; + clear_page(page_address(pte)); + if (!pgtable_page_ctor(pte)) { + __free_page(pte); + return NULL; + } return pte; } @@ -90,6 +95,7 @@ static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) static inline void pte_free(struct mm_struct *mm, struct page *pte) { + pgtable_page_dtor(pte); __free_page(pte); } diff --git a/arch/openrisc/include/asm/pgtable.h b/arch/openrisc/include/asm/pgtable.h index 14c900cfd30..37bf6a3ef8f 100644 --- a/arch/openrisc/include/asm/pgtable.h +++ b/arch/openrisc/include/asm/pgtable.h @@ -446,9 +446,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma, #define kern_addr_valid(addr) (1) -#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - #include <asm-generic/pgtable.h> /* diff --git a/arch/openrisc/include/asm/processor.h b/arch/openrisc/include/asm/processor.h index 30462f1fe95..cab746fa9e8 100644 --- a/arch/openrisc/include/asm/processor.h +++ b/arch/openrisc/include/asm/processor.h @@ -70,7 +70,6 @@ struct thread_struct { */ #define task_pt_regs(task) user_regs(task_thread_info(task)) -#define current_regs() user_regs(current_thread_info()) #define INIT_SP (sizeof(init_stack) + (unsigned long) &init_stack) @@ -81,8 +80,6 @@ struct thread_struct { #define KSTK_ESP(tsk) (task_pt_regs(tsk)->sp) -extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); - void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp); void release_thread(struct task_struct *); unsigned long get_wchan(struct task_struct *p); @@ -103,7 +100,7 @@ extern unsigned long thread_saved_pc(struct task_struct *t); #define init_stack (init_thread_union.stack) -#define cpu_relax() do { } while (0) +#define cpu_relax() barrier() #endif /* __ASSEMBLY__ */ #endif /* __ASM_OPENRISC_PROCESSOR_H */ diff --git a/arch/openrisc/include/asm/prom.h b/arch/openrisc/include/asm/prom.h deleted file mode 100644 index bbb34e5343a..00000000000 --- a/arch/openrisc/include/asm/prom.h +++ /dev/null @@ -1,69 +0,0 @@ -/* - * OpenRISC Linux - * - * Linux architectural port borrowing liberally from similar works of - * others. All original copyrights apply as per the original source - * declaration. - * - * OpenRISC implementation: - * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> - * et al. - * - * 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/of.h> /* linux/of.h gets to determine #include ordering */ - -#ifndef _ASM_OPENRISC_PROM_H -#define _ASM_OPENRISC_PROM_H -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ - -#include <linux/types.h> -#include <asm/irq.h> -#include <linux/irqdomain.h> -#include <linux/atomic.h> -#include <linux/of_irq.h> -#include <linux/of_fdt.h> -#include <linux/of_address.h> -#include <linux/proc_fs.h> -#include <linux/platform_device.h> -#define HAVE_ARCH_DEVTREE_FIXUPS - -/* Other Prototypes */ -extern int early_uartlite_console(void); - -/* 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_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); - -#endif /* __ASSEMBLY__ */ -#endif /* __KERNEL__ */ -#endif /* _ASM_OPENRISC_PROM_H */ diff --git a/arch/openrisc/include/asm/ptrace.h b/arch/openrisc/include/asm/ptrace.h index 8555c0c3d4d..6ca17264c39 100644 --- a/arch/openrisc/include/asm/ptrace.h +++ b/arch/openrisc/include/asm/ptrace.h @@ -15,25 +15,12 @@ * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ - #ifndef __ASM_OPENRISC_PTRACE_H #define __ASM_OPENRISC_PTRACE_H -#ifndef __ASSEMBLY__ -/* - * This is the layout of the regset returned by the GETREGSET ptrace call - */ -struct user_regs_struct { - /* GPR R0-R31... */ - unsigned long gpr[32]; - unsigned long pc; - unsigned long sr; -}; -#endif - -#ifdef __KERNEL__ #include <asm/spr_defs.h> +#include <uapi/asm/ptrace.h> /* * Make kernel PTrace/register structures opaque to userspace... userspace can @@ -134,6 +121,4 @@ static inline long regs_return_value(struct pt_regs *regs) #define PT_ORIG_GPR11 132 #define PT_SYSCALLNO 136 -#endif /* __KERNEL__ */ - #endif /* __ASM_OPENRISC_PTRACE_H */ diff --git a/arch/openrisc/include/asm/syscalls.h b/arch/openrisc/include/asm/syscalls.h index 84a978af44d..8ee816812a9 100644 --- a/arch/openrisc/include/asm/syscalls.h +++ b/arch/openrisc/include/asm/syscalls.h @@ -24,4 +24,11 @@ asmlinkage long sys_or1k_atomic(unsigned long type, unsigned long *v1, #include <asm-generic/syscalls.h> +asmlinkage long __sys_clone(unsigned long clone_flags, unsigned long newsp, + void __user *parent_tid, void __user *child_tid, int tls); +asmlinkage long __sys_fork(void); + +#define sys_clone __sys_clone +#define sys_fork __sys_fork + #endif /* __ASM_OPENRISC_SYSCALLS_H */ diff --git a/arch/openrisc/include/asm/thread_info.h b/arch/openrisc/include/asm/thread_info.h index 07a8bc080ef..d797acc901e 100644 --- a/arch/openrisc/include/asm/thread_info.h +++ b/arch/openrisc/include/asm/thread_info.h @@ -121,7 +121,6 @@ register struct thread_info *current_thread_info_reg asm("r10"); #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) diff --git a/arch/openrisc/include/uapi/asm/Kbuild b/arch/openrisc/include/uapi/asm/Kbuild new file mode 100644 index 00000000000..80761eb82b5 --- /dev/null +++ b/arch/openrisc/include/uapi/asm/Kbuild @@ -0,0 +1,10 @@ +# UAPI Header export list +include include/uapi/asm-generic/Kbuild.asm + +header-y += byteorder.h +header-y += elf.h +header-y += kvm_para.h +header-y += param.h +header-y += ptrace.h +header-y += sigcontext.h +header-y += unistd.h diff --git a/arch/openrisc/include/asm/byteorder.h b/arch/openrisc/include/uapi/asm/byteorder.h index 60d14f7e14e..60d14f7e14e 100644 --- a/arch/openrisc/include/asm/byteorder.h +++ b/arch/openrisc/include/uapi/asm/byteorder.h diff --git a/arch/openrisc/include/uapi/asm/elf.h b/arch/openrisc/include/uapi/asm/elf.h new file mode 100644 index 00000000000..f02ea583042 --- /dev/null +++ b/arch/openrisc/include/uapi/asm/elf.h @@ -0,0 +1,69 @@ +/* + * OpenRISC Linux + * + * Linux architectural port borrowing liberally from similar works of + * others. All original copyrights apply as per the original source + * declaration. + * + * OpenRISC implementation: + * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> + * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> + * et al. + * + * 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 _UAPI__ASM_OPENRISC_ELF_H +#define _UAPI__ASM_OPENRISC_ELF_H + +/* + * This files is partially exported to userspace. This allows us to keep + * the ELF bits in one place which should assist in keeping the kernel and + * userspace in sync. + */ + +/* + * ELF register definitions.. + */ + +/* for struct user_regs_struct definition */ +#include <asm/ptrace.h> + +/* The OR1K relocation types... not all relevant for module loader */ +#define R_OR32_NONE 0 +#define R_OR32_32 1 +#define R_OR32_16 2 +#define R_OR32_8 3 +#define R_OR32_CONST 4 +#define R_OR32_CONSTH 5 +#define R_OR32_JUMPTARG 6 +#define R_OR32_VTINHERIT 7 +#define R_OR32_VTENTRY 8 + +typedef unsigned long elf_greg_t; + +/* + * Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is + * thus exposed to user-space. + */ +#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; + +/* A placeholder; OR32 does not have fp support yes, so no fp regs for now. */ +typedef unsigned long elf_fpregset_t; + +/* This should be moved to include/linux/elf.h */ +#define EM_OR32 0x8472 +#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ + +/* + * These are used to set parameters in the core dumps. + */ +#define ELF_ARCH EM_OR32 +#define ELF_CLASS ELFCLASS32 +#define ELF_DATA ELFDATA2MSB + +#endif /* _UAPI__ASM_OPENRISC_ELF_H */ diff --git a/arch/openrisc/include/asm/param.h b/arch/openrisc/include/uapi/asm/param.h index c39a336610e..c39a336610e 100644 --- a/arch/openrisc/include/asm/param.h +++ b/arch/openrisc/include/uapi/asm/param.h diff --git a/arch/openrisc/include/uapi/asm/ptrace.h b/arch/openrisc/include/uapi/asm/ptrace.h new file mode 100644 index 00000000000..9760bd17fbc --- /dev/null +++ b/arch/openrisc/include/uapi/asm/ptrace.h @@ -0,0 +1,35 @@ +/* + * OpenRISC Linux + * + * Linux architectural port borrowing liberally from similar works of + * others. All original copyrights apply as per the original source + * declaration. + * + * OpenRISC implementation: + * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> + * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> + * et al. + * + * 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 _UAPI__ASM_OPENRISC_PTRACE_H +#define _UAPI__ASM_OPENRISC_PTRACE_H + +#ifndef __ASSEMBLY__ +/* + * This is the layout of the regset returned by the GETREGSET ptrace call + */ +struct user_regs_struct { + /* GPR R0-R31... */ + unsigned long gpr[32]; + unsigned long pc; + unsigned long sr; +}; +#endif + + +#endif /* _UAPI__ASM_OPENRISC_PTRACE_H */ diff --git a/arch/openrisc/include/asm/sigcontext.h b/arch/openrisc/include/uapi/asm/sigcontext.h index b79c2b19afb..b79c2b19afb 100644 --- a/arch/openrisc/include/asm/sigcontext.h +++ b/arch/openrisc/include/uapi/asm/sigcontext.h diff --git a/arch/openrisc/include/asm/unistd.h b/arch/openrisc/include/uapi/asm/unistd.h index 89af3ab5c2e..ce40b71df00 100644 --- a/arch/openrisc/include/asm/unistd.h +++ b/arch/openrisc/include/uapi/asm/unistd.h @@ -16,16 +16,14 @@ * (at your option) any later version. */ -#if !defined(__ASM_OPENRISC_UNISTD_H) || defined(__SYSCALL) -#define __ASM_OPENRISC_UNISTD_H - #define __ARCH_HAVE_MMU #define sys_mmap2 sys_mmap_pgoff +#define __ARCH_WANT_SYS_FORK +#define __ARCH_WANT_SYS_CLONE + #include <asm-generic/unistd.h> #define __NR_or1k_atomic __NR_arch_specific_syscall __SYSCALL(__NR_or1k_atomic, sys_or1k_atomic) - -#endif /* __ASM_OPENRISC_UNISTD_H */ |