Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _M68K_STRING_H_
|
|
#define _M68K_STRING_H_
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/compiler.h>
|
|
|
|
#define __HAVE_ARCH_STRNLEN
|
|
static inline size_t strnlen(const char *s, size_t count)
|
|
{
|
|
const char *sc = s;
|
|
|
|
asm volatile ("\n"
|
|
"1: subq.l #1,%1\n"
|
|
" jcs 2f\n"
|
|
" tst.b (%0)+\n"
|
|
" jne 1b\n"
|
|
" subq.l #1,%0\n"
|
|
"2:"
|
|
: "+a" (sc), "+d" (count));
|
|
return sc - s;
|
|
}
|
|
|
|
#define __HAVE_ARCH_STRNCPY
|
|
static inline char *strncpy(char *dest, const char *src, size_t n)
|
|
{
|
|
char *xdest = dest;
|
|
|
|
asm volatile ("\n"
|
|
" jra 2f\n"
|
|
"1: move.b (%1),(%0)+\n"
|
|
" jeq 2f\n"
|
|
" addq.l #1,%1\n"
|
|
"2: subq.l #1,%2\n"
|
|
" jcc 1b\n"
|
|
: "+a" (dest), "+a" (src), "+d" (n)
|
|
: : "memory");
|
|
return xdest;
|
|
}
|
|
|
|
#define __HAVE_ARCH_MEMMOVE
|
|
extern void *memmove(void *, const void *, __kernel_size_t);
|
|
|
|
extern int memcmp(const void *, const void *, __kernel_size_t);
|
|
#define memcmp(d, s, n) __builtin_memcmp(d, s, n)
|
|
|
|
#define __HAVE_ARCH_MEMSET
|
|
extern void *memset(void *, int, __kernel_size_t);
|
|
#define memset(d, c, n) __builtin_memset(d, c, n)
|
|
|
|
#define __HAVE_ARCH_MEMCPY
|
|
extern void *memcpy(void *, const void *, __kernel_size_t);
|
|
#define memcpy(d, s, n) __builtin_memcpy(d, s, n)
|
|
|
|
#endif /* _M68K_STRING_H_ */
|