| 1 |
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| 2 | #ifndef __ASM_POWERPC_SYSCALLS_H
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| 3 | #define __ASM_POWERPC_SYSCALLS_H
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| 4 | #ifdef __KERNEL__
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| 5 |
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| 6 | #include <linux/compiler.h>
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| 7 | #include <linux/linkage.h>
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| 8 | #include <linux/types.h>
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| 9 | #include <linux/compat.h>
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| 10 |
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| 11 | #include <asm/syscall.h>
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| 12 | #ifdef CONFIG_PPC64
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| 13 | #include <asm/syscalls_32.h>
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| 14 | #endif
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| 15 | #include <asm/unistd.h>
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| 16 | #include <asm/ucontext.h>
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| 17 |
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| 18 | #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
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| 19 | long sys_ni_syscall(void);
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| 20 | #else
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| 21 | long sys_ni_syscall(const struct pt_regs *regs);
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| 22 | #endif
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| 23 |
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| 24 | struct rtas_args;
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| 25 |
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| 26 | |
| 27 | * long long munging:
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| 28 | * The 32 bit ABI passes long longs in an odd even register pair.
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| 29 | * High and low parts are swapped depending on endian mode,
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| 30 | * so define a macro (similar to mips linux32) to handle that.
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| 31 |
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| 32 | #ifdef __LITTLE_ENDIAN__
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| 33 | #define merge_64(low, high) (((u64)high << 32) | low)
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| 34 | #else
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| 35 | #define merge_64(high, low) (((u64)high << 32) | low)
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| 36 | #endif
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| 37 |
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| 38 | |
| 39 | * PowerPC architecture-specific syscalls
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| 40 |
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| 41 |
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| 42 | #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
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| 43 |
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| 44 | long sys_rtas(struct rtas_args __user *uargs);
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| 45 |
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| 46 | #ifdef CONFIG_PPC64
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| 47 | long sys_ppc64_personality(unsigned long personality);
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| 48 | #ifdef CONFIG_COMPAT
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| 49 | long compat_sys_ppc64_personality(unsigned long personality);
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| 50 | #endif
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| 51 | #endif
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| 52 |
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| 53 | long sys_swapcontext(struct ucontext __user *old_ctx,
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| 54 | struct ucontext __user *new_ctx, long ctx_size);
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| 55 | long sys_mmap(unsigned long addr, size_t len,
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| 56 | unsigned long prot, unsigned long flags,
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| 57 | unsigned long fd, off_t offset);
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| 58 | long sys_mmap2(unsigned long addr, size_t len,
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| 59 | unsigned long prot, unsigned long flags,
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| 60 | unsigned long fd, unsigned long pgoff);
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| 61 | long sys_switch_endian(void);
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| 62 |
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| 63 | #ifdef CONFIG_PPC32
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| 64 | long sys_sigreturn(void);
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| 65 | long sys_debug_setcontext(struct ucontext __user *ctx, int ndbg,
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| 66 | struct sig_dbg_op __user *dbg);
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| 67 | #endif
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| 68 |
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| 69 | long sys_rt_sigreturn(void);
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| 70 |
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| 71 | long sys_subpage_prot(unsigned long addr,
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| 72 | unsigned long len, u32 __user *map);
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| 73 |
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| 74 | #ifdef CONFIG_COMPAT
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| 75 | long compat_sys_swapcontext(struct ucontext32 __user *old_ctx,
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| 76 | struct ucontext32 __user *new_ctx,
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| 77 | int ctx_size);
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| 78 | long compat_sys_old_getrlimit(unsigned int resource,
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| 79 | struct compat_rlimit __user *rlim);
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| 80 | long compat_sys_sigreturn(void);
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| 81 | long compat_sys_rt_sigreturn(void);
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| 82 | #endif
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| 83 |
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| 84 | |
| 85 | * Architecture specific signatures required by long long munging:
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| 86 | * The 32 bit ABI passes long longs in an odd even register pair.
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| 87 | * The following signatures provide a machine long parameter for
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| 88 | * each register that will be supplied. The implementation is
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| 89 | * responsible for combining parameter pairs.
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| 90 |
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| 91 |
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| 92 | #ifdef CONFIG_PPC32
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| 93 | long sys_ppc_pread64(unsigned int fd,
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| 94 | char __user *ubuf, compat_size_t count,
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| 95 | u32 reg6, u32 pos1, u32 pos2);
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| 96 | long sys_ppc_pwrite64(unsigned int fd,
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| 97 | const char __user *ubuf, compat_size_t count,
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| 98 | u32 reg6, u32 pos1, u32 pos2);
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| 99 | long sys_ppc_readahead(int fd, u32 r4,
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| 100 | u32 offset1, u32 offset2, u32 count);
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| 101 | long sys_ppc_truncate64(const char __user *path, u32 reg4,
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| 102 | unsigned long len1, unsigned long len2);
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| 103 | long sys_ppc_ftruncate64(unsigned int fd, u32 reg4,
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| 104 | unsigned long len1, unsigned long len2);
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| 105 | long sys_ppc32_fadvise64(int fd, u32 unused, u32 offset1, u32 offset2,
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| 106 | size_t len, int advice);
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| 107 | long sys_ppc_sync_file_range2(int fd, unsigned int flags,
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| 108 | unsigned int offset1,
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| 109 | unsigned int offset2,
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| 110 | unsigned int nbytes1,
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| 111 | unsigned int nbytes2);
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| 112 | long sys_ppc_fallocate(int fd, int mode, u32 offset1, u32 offset2,
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| 113 | u32 len1, u32 len2);
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| 114 | #endif
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| 115 | #ifdef CONFIG_COMPAT
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| 116 | long compat_sys_mmap2(unsigned long addr, size_t len,
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| 117 | unsigned long prot, unsigned long flags,
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| 118 | unsigned long fd, unsigned long pgoff);
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| 119 | long compat_sys_ppc_pread64(unsigned int fd,
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| 120 | char __user *ubuf, compat_size_t count,
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| 121 | u32 reg6, u32 pos1, u32 pos2);
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| 122 | long compat_sys_ppc_pwrite64(unsigned int fd,
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| 123 | const char __user *ubuf, compat_size_t count,
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| 124 | u32 reg6, u32 pos1, u32 pos2);
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| 125 | long compat_sys_ppc_readahead(int fd, u32 r4,
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| 126 | u32 offset1, u32 offset2, u32 count);
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| 127 | long compat_sys_ppc_truncate64(const char __user *path, u32 reg4,
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| 128 | unsigned long len1, unsigned long len2);
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| 129 | long compat_sys_ppc_ftruncate64(unsigned int fd, u32 reg4,
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| 130 | unsigned long len1, unsigned long len2);
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| 131 | long compat_sys_ppc32_fadvise64(int fd, u32 unused, u32 offset1, u32 offset2,
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| 132 | size_t len, int advice);
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| 133 | long compat_sys_ppc_sync_file_range2(int fd, unsigned int flags,
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| 134 | unsigned int offset1,
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| 135 | unsigned int offset2,
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| 136 | unsigned int nbytes1,
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| 137 | unsigned int nbytes2);
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| 138 | #endif
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| 139 |
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| 140 | #if defined(CONFIG_PPC32) || defined(CONFIG_COMPAT)
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| 141 | long sys_ppc_fadvise64_64(int fd, int advice,
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| 142 | u32 offset_high, u32 offset_low,
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| 143 | u32 len_high, u32 len_low);
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| 144 | #endif
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| 145 |
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| 146 | #else
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| 147 |
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| 148 | #define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native)
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| 149 | #define __SYSCALL(nr, entry) \
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| 150 | long entry(const struct pt_regs *regs);
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| 151 |
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| 152 | #ifdef CONFIG_PPC64
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| 153 | #include <asm/syscall_table_64.h>
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| 154 | #else
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| 155 | #include <asm/syscall_table_32.h>
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| 156 | #endif
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| 157 |
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| 158 | #endif
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| 159 |
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| 160 | #endif
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| 161 | #endif
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