sh: Split out asm/string.h for sh32 and sh64.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
parent
da06b8d054
commit
7960a1d02b
3 changed files with 136 additions and 131 deletions
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@ -1,131 +1,5 @@
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#ifndef __ASM_SH_STRING_H
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#define __ASM_SH_STRING_H
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#ifdef __KERNEL__
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/*
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* Copyright (C) 1999 Niibe Yutaka
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* But consider these trivial functions to be public domain.
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*/
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#define __HAVE_ARCH_STRCPY
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static inline char *strcpy(char *__dest, const char *__src)
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{
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register char *__xdest = __dest;
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unsigned long __dummy;
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__asm__ __volatile__("1:\n\t"
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"mov.b @%1+, %2\n\t"
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"mov.b %2, @%0\n\t"
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"cmp/eq #0, %2\n\t"
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"bf/s 1b\n\t"
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" add #1, %0\n\t"
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: "=r" (__dest), "=r" (__src), "=&z" (__dummy)
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: "0" (__dest), "1" (__src)
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: "memory", "t");
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return __xdest;
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}
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#define __HAVE_ARCH_STRNCPY
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static inline char *strncpy(char *__dest, const char *__src, size_t __n)
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{
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register char *__xdest = __dest;
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unsigned long __dummy;
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if (__n == 0)
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return __xdest;
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__asm__ __volatile__(
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"1:\n"
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"mov.b @%1+, %2\n\t"
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"mov.b %2, @%0\n\t"
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"cmp/eq #0, %2\n\t"
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"bt/s 2f\n\t"
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" cmp/eq %5,%1\n\t"
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"bf/s 1b\n\t"
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" add #1, %0\n"
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"2:"
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: "=r" (__dest), "=r" (__src), "=&z" (__dummy)
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: "0" (__dest), "1" (__src), "r" (__src+__n)
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: "memory", "t");
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return __xdest;
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}
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#define __HAVE_ARCH_STRCMP
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static inline int strcmp(const char *__cs, const char *__ct)
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{
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register int __res;
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unsigned long __dummy;
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__asm__ __volatile__(
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"mov.b @%1+, %3\n"
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"1:\n\t"
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"mov.b @%0+, %2\n\t"
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"cmp/eq #0, %3\n\t"
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"bt 2f\n\t"
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"cmp/eq %2, %3\n\t"
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"bt/s 1b\n\t"
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" mov.b @%1+, %3\n\t"
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"add #-2, %1\n\t"
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"mov.b @%1, %3\n\t"
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"sub %3, %2\n"
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"2:"
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: "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
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: "0" (__cs), "1" (__ct)
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: "t");
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return __res;
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}
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#define __HAVE_ARCH_STRNCMP
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static inline int strncmp(const char *__cs, const char *__ct, size_t __n)
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{
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register int __res;
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unsigned long __dummy;
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if (__n == 0)
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return 0;
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__asm__ __volatile__(
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"mov.b @%1+, %3\n"
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"1:\n\t"
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"mov.b @%0+, %2\n\t"
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"cmp/eq %6, %0\n\t"
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"bt/s 2f\n\t"
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" cmp/eq #0, %3\n\t"
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"bt/s 3f\n\t"
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" cmp/eq %3, %2\n\t"
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"bt/s 1b\n\t"
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" mov.b @%1+, %3\n\t"
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"add #-2, %1\n\t"
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"mov.b @%1, %3\n"
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"2:\n\t"
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"sub %3, %2\n"
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"3:"
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:"=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
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: "0" (__cs), "1" (__ct), "r" (__cs+__n)
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: "t");
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return __res;
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}
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#define __HAVE_ARCH_MEMSET
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extern void *memset(void *__s, int __c, size_t __count);
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#define __HAVE_ARCH_MEMCPY
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extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
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#define __HAVE_ARCH_MEMMOVE
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extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
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#define __HAVE_ARCH_MEMCHR
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extern void *memchr(const void *__s, int __c, size_t __n);
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#define __HAVE_ARCH_STRLEN
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extern size_t strlen(const char *);
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#endif /* __KERNEL__ */
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#endif /* __ASM_SH_STRING_H */
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#ifdef CONFIG_SUPERH32
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# include "string_32.h"
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#else
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# include "string_64.h"
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#endif
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131
include/asm-sh/string_32.h
Normal file
131
include/asm-sh/string_32.h
Normal file
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@ -0,0 +1,131 @@
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#ifndef __ASM_SH_STRING_H
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#define __ASM_SH_STRING_H
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#ifdef __KERNEL__
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/*
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* Copyright (C) 1999 Niibe Yutaka
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* But consider these trivial functions to be public domain.
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*/
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#define __HAVE_ARCH_STRCPY
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static inline char *strcpy(char *__dest, const char *__src)
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{
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register char *__xdest = __dest;
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unsigned long __dummy;
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__asm__ __volatile__("1:\n\t"
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"mov.b @%1+, %2\n\t"
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"mov.b %2, @%0\n\t"
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"cmp/eq #0, %2\n\t"
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"bf/s 1b\n\t"
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" add #1, %0\n\t"
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: "=r" (__dest), "=r" (__src), "=&z" (__dummy)
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: "0" (__dest), "1" (__src)
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: "memory", "t");
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return __xdest;
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}
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#define __HAVE_ARCH_STRNCPY
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static inline char *strncpy(char *__dest, const char *__src, size_t __n)
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{
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register char *__xdest = __dest;
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unsigned long __dummy;
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if (__n == 0)
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return __xdest;
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__asm__ __volatile__(
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"1:\n"
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"mov.b @%1+, %2\n\t"
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"mov.b %2, @%0\n\t"
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"cmp/eq #0, %2\n\t"
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"bt/s 2f\n\t"
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" cmp/eq %5,%1\n\t"
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"bf/s 1b\n\t"
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" add #1, %0\n"
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"2:"
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: "=r" (__dest), "=r" (__src), "=&z" (__dummy)
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: "0" (__dest), "1" (__src), "r" (__src+__n)
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: "memory", "t");
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return __xdest;
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}
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#define __HAVE_ARCH_STRCMP
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static inline int strcmp(const char *__cs, const char *__ct)
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{
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register int __res;
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unsigned long __dummy;
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__asm__ __volatile__(
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"mov.b @%1+, %3\n"
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"1:\n\t"
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"mov.b @%0+, %2\n\t"
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"cmp/eq #0, %3\n\t"
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"bt 2f\n\t"
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"cmp/eq %2, %3\n\t"
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"bt/s 1b\n\t"
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" mov.b @%1+, %3\n\t"
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"add #-2, %1\n\t"
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"mov.b @%1, %3\n\t"
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"sub %3, %2\n"
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"2:"
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: "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
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: "0" (__cs), "1" (__ct)
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: "t");
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return __res;
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}
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#define __HAVE_ARCH_STRNCMP
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static inline int strncmp(const char *__cs, const char *__ct, size_t __n)
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{
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register int __res;
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unsigned long __dummy;
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if (__n == 0)
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return 0;
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__asm__ __volatile__(
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"mov.b @%1+, %3\n"
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"1:\n\t"
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"mov.b @%0+, %2\n\t"
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"cmp/eq %6, %0\n\t"
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"bt/s 2f\n\t"
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" cmp/eq #0, %3\n\t"
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"bt/s 3f\n\t"
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" cmp/eq %3, %2\n\t"
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"bt/s 1b\n\t"
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" mov.b @%1+, %3\n\t"
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"add #-2, %1\n\t"
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"mov.b @%1, %3\n"
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"2:\n\t"
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"sub %3, %2\n"
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"3:"
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:"=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
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: "0" (__cs), "1" (__ct), "r" (__cs+__n)
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: "t");
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return __res;
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}
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#define __HAVE_ARCH_MEMSET
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extern void *memset(void *__s, int __c, size_t __count);
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#define __HAVE_ARCH_MEMCPY
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extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
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#define __HAVE_ARCH_MEMMOVE
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extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
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#define __HAVE_ARCH_MEMCHR
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extern void *memchr(const void *__s, int __c, size_t __n);
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#define __HAVE_ARCH_STRLEN
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extern size_t strlen(const char *);
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#endif /* __KERNEL__ */
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#endif /* __ASM_SH_STRING_H */
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