diff options
Diffstat (limited to 'arch/powerpc/include/asm/syscalls.h')
| -rw-r--r-- | arch/powerpc/include/asm/syscalls.h | 142 |
1 files changed, 112 insertions, 30 deletions
diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h index a2b13e55254f..9840d572da55 100644 --- a/arch/powerpc/include/asm/syscalls.h +++ b/arch/powerpc/include/asm/syscalls.h @@ -8,49 +8,131 @@ #include <linux/types.h> #include <linux/compat.h> +#include <asm/syscall.h> +#ifdef CONFIG_PPC64 +#include <asm/syscalls_32.h> +#endif +#include <asm/unistd.h> +#include <asm/ucontext.h> + +#ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER +long sys_ni_syscall(void); +#else +long sys_ni_syscall(const struct pt_regs *regs); +#endif + struct rtas_args; -asmlinkage long sys_mmap(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, off_t offset); -asmlinkage long sys_mmap2(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff); -asmlinkage long ppc64_personality(unsigned long personality); -asmlinkage long sys_rtas(struct rtas_args __user *uargs); -int ppc_select(int n, fd_set __user *inp, fd_set __user *outp, - fd_set __user *exp, struct __kernel_old_timeval __user *tvp); -long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low, - u32 len_high, u32 len_low); +/* + * long long munging: + * The 32 bit ABI passes long longs in an odd even register pair. + * High and low parts are swapped depending on endian mode, + * so define a macro (similar to mips linux32) to handle that. + */ +#ifdef __LITTLE_ENDIAN__ +#define merge_64(low, high) (((u64)high << 32) | low) +#else +#define merge_64(high, low) (((u64)high << 32) | low) +#endif + +/* + * PowerPC architecture-specific syscalls + */ + +#ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER + +long sys_rtas(struct rtas_args __user *uargs); +#ifdef CONFIG_PPC64 +long sys_ppc64_personality(unsigned long personality); #ifdef CONFIG_COMPAT -unsigned long compat_sys_mmap2(unsigned long addr, size_t len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff); +long compat_sys_ppc64_personality(unsigned long personality); +#endif /* CONFIG_COMPAT */ +#endif /* CONFIG_PPC64 */ -compat_ssize_t compat_sys_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, - u32 reg6, u32 pos1, u32 pos2); +long sys_swapcontext(struct ucontext __user *old_ctx, + struct ucontext __user *new_ctx, long ctx_size); +long sys_mmap(unsigned long addr, size_t len, + unsigned long prot, unsigned long flags, + unsigned long fd, off_t offset); +long sys_mmap2(unsigned long addr, size_t len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long pgoff); +long sys_switch_endian(void); -compat_ssize_t compat_sys_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count, - u32 reg6, u32 pos1, u32 pos2); +#ifdef CONFIG_PPC32 +long sys_sigreturn(void); +long sys_debug_setcontext(struct ucontext __user *ctx, int ndbg, + struct sig_dbg_op __user *dbg); +#endif -compat_ssize_t compat_sys_readahead(int fd, u32 r4, u32 offset1, u32 offset2, u32 count); +long sys_rt_sigreturn(void); -int compat_sys_truncate64(const char __user *path, u32 reg4, - unsigned long len1, unsigned long len2); +long sys_subpage_prot(unsigned long addr, + unsigned long len, u32 __user *map); -long compat_sys_fallocate(int fd, int mode, u32 offset1, u32 offset2, u32 len1, u32 len2); +#ifdef CONFIG_COMPAT +long compat_sys_swapcontext(struct ucontext32 __user *old_ctx, + struct ucontext32 __user *new_ctx, + int ctx_size); +long compat_sys_old_getrlimit(unsigned int resource, + struct compat_rlimit __user *rlim); +long compat_sys_sigreturn(void); +long compat_sys_rt_sigreturn(void); +#endif /* CONFIG_COMPAT */ -int compat_sys_ftruncate64(unsigned int fd, u32 reg4, unsigned long len1, - unsigned long len2); +/* + * Architecture specific signatures required by long long munging: + * The 32 bit ABI passes long longs in an odd even register pair. + * The following signatures provide a machine long parameter for + * each register that will be supplied. The implementation is + * responsible for combining parameter pairs. + */ -long ppc32_fadvise64(int fd, u32 unused, u32 offset1, u32 offset2, - size_t len, int advice); +#ifdef CONFIG_COMPAT +long compat_sys_mmap2(unsigned long addr, size_t len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long pgoff); +long compat_sys_ppc_pread64(unsigned int fd, + char __user *ubuf, compat_size_t count, + u32 reg6, u32 pos1, u32 pos2); +long compat_sys_ppc_pwrite64(unsigned int fd, + const char __user *ubuf, compat_size_t count, + u32 reg6, u32 pos1, u32 pos2); +long compat_sys_ppc_readahead(int fd, u32 r4, + u32 offset1, u32 offset2, u32 count); +long compat_sys_ppc_truncate64(const char __user *path, u32 reg4, + unsigned long len1, unsigned long len2); +long compat_sys_ppc_ftruncate64(unsigned int fd, u32 reg4, + unsigned long len1, unsigned long len2); +long compat_sys_ppc32_fadvise64(int fd, u32 unused, u32 offset1, u32 offset2, + size_t len, int advice); +long compat_sys_ppc_sync_file_range2(int fd, unsigned int flags, + unsigned int offset1, + unsigned int offset2, + unsigned int nbytes1, + unsigned int nbytes2); +#endif /* CONFIG_COMPAT */ -long compat_sys_sync_file_range2(int fd, unsigned int flags, - unsigned int offset1, unsigned int offset2, - unsigned int nbytes1, unsigned int nbytes2); +#if defined(CONFIG_PPC32) || defined(CONFIG_COMPAT) +long sys_ppc_fadvise64_64(int fd, int advice, + u32 offset_high, u32 offset_low, + u32 len_high, u32 len_low); #endif +#else + +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) +#define __SYSCALL(nr, entry) \ + long entry(const struct pt_regs *regs); + +#ifdef CONFIG_PPC64 +#include <asm/syscall_table_64.h> +#else +#include <asm/syscall_table_32.h> +#endif /* CONFIG_PPC64 */ + +#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ + #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_SYSCALLS_H */ |