mirror of
https://github.com/smaeul/u-boot.git
synced 2025-10-31 20:18:18 +00:00
8bde7f776c
- remove trailing white space, trailing empty lines, C++ comments, etc.
- split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)
* Patches by Kenneth Johansson, 25 Jun 2003:
- major rework of command structure
(work done mostly by Michal Cendrowski and Joakim Kristiansen)
158 lines
3.2 KiB
C
158 lines
3.2 KiB
C
/* $Id: string.h,v 1.13 2000/02/19 14:12:14 harald Exp $
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (c) 1994, 1995, 1996, 1997, 1998 by Ralf Baechle
|
|
*/
|
|
#ifndef __ASM_MIPS_STRING_H
|
|
#define __ASM_MIPS_STRING_H
|
|
|
|
#include <linux/config.h>
|
|
|
|
#define __HAVE_ARCH_STRCPY
|
|
extern __inline__ char *strcpy(char *__dest, __const__ char *__src)
|
|
{
|
|
char *__xdest = __dest;
|
|
|
|
__asm__ __volatile__(
|
|
".set\tnoreorder\n\t"
|
|
".set\tnoat\n"
|
|
"1:\tlbu\t$1,(%1)\n\t"
|
|
"addiu\t%1,1\n\t"
|
|
"sb\t$1,(%0)\n\t"
|
|
"bnez\t$1,1b\n\t"
|
|
"addiu\t%0,1\n\t"
|
|
".set\tat\n\t"
|
|
".set\treorder"
|
|
: "=r" (__dest), "=r" (__src)
|
|
: "0" (__dest), "1" (__src)
|
|
: "$1","memory");
|
|
|
|
return __xdest;
|
|
}
|
|
|
|
#define __HAVE_ARCH_STRNCPY
|
|
extern __inline__ char *strncpy(char *__dest, __const__ char *__src, size_t __n)
|
|
{
|
|
char *__xdest = __dest;
|
|
|
|
if (__n == 0)
|
|
return __xdest;
|
|
|
|
__asm__ __volatile__(
|
|
".set\tnoreorder\n\t"
|
|
".set\tnoat\n"
|
|
"1:\tlbu\t$1,(%1)\n\t"
|
|
"subu\t%2,1\n\t"
|
|
"sb\t$1,(%0)\n\t"
|
|
"beqz\t$1,2f\n\t"
|
|
"addiu\t%0,1\n\t"
|
|
"bnez\t%2,1b\n\t"
|
|
"addiu\t%1,1\n"
|
|
"2:\n\t"
|
|
".set\tat\n\t"
|
|
".set\treorder"
|
|
: "=r" (__dest), "=r" (__src), "=r" (__n)
|
|
: "0" (__dest), "1" (__src), "2" (__n)
|
|
: "$1","memory");
|
|
|
|
return __dest;
|
|
}
|
|
|
|
#define __HAVE_ARCH_STRCMP
|
|
extern __inline__ int strcmp(__const__ char *__cs, __const__ char *__ct)
|
|
{
|
|
int __res;
|
|
|
|
__asm__ __volatile__(
|
|
".set\tnoreorder\n\t"
|
|
".set\tnoat\n\t"
|
|
"lbu\t%2,(%0)\n"
|
|
"1:\tlbu\t$1,(%1)\n\t"
|
|
"addiu\t%0,1\n\t"
|
|
"bne\t$1,%2,2f\n\t"
|
|
"addiu\t%1,1\n\t"
|
|
"bnez\t%2,1b\n\t"
|
|
"lbu\t%2,(%0)\n\t"
|
|
#if defined(CONFIG_CPU_R3000)
|
|
"nop\n\t"
|
|
#endif
|
|
"move\t%2,$1\n"
|
|
"2:\tsubu\t%2,$1\n"
|
|
"3:\t.set\tat\n\t"
|
|
".set\treorder"
|
|
: "=r" (__cs), "=r" (__ct), "=r" (__res)
|
|
: "0" (__cs), "1" (__ct)
|
|
: "$1");
|
|
|
|
return __res;
|
|
}
|
|
|
|
#define __HAVE_ARCH_STRNCMP
|
|
extern __inline__ int
|
|
strncmp(__const__ char *__cs, __const__ char *__ct, size_t __count)
|
|
{
|
|
int __res;
|
|
|
|
__asm__ __volatile__(
|
|
".set\tnoreorder\n\t"
|
|
".set\tnoat\n"
|
|
"1:\tlbu\t%3,(%0)\n\t"
|
|
"beqz\t%2,2f\n\t"
|
|
"lbu\t$1,(%1)\n\t"
|
|
"subu\t%2,1\n\t"
|
|
"bne\t$1,%3,3f\n\t"
|
|
"addiu\t%0,1\n\t"
|
|
"bnez\t%3,1b\n\t"
|
|
"addiu\t%1,1\n"
|
|
"2:\n\t"
|
|
#if defined(CONFIG_CPU_R3000)
|
|
"nop\n\t"
|
|
#endif
|
|
"move\t%3,$1\n"
|
|
"3:\tsubu\t%3,$1\n\t"
|
|
".set\tat\n\t"
|
|
".set\treorder"
|
|
: "=r" (__cs), "=r" (__ct), "=r" (__count), "=r" (__res)
|
|
: "0" (__cs), "1" (__ct), "2" (__count)
|
|
: "$1");
|
|
|
|
return __res;
|
|
}
|
|
|
|
#undef __HAVE_ARCH_MEMSET
|
|
extern void *memset(void *__s, int __c, size_t __count);
|
|
|
|
#undef __HAVE_ARCH_MEMCPY
|
|
extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
|
|
|
|
#undef __HAVE_ARCH_MEMMOVE
|
|
extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
|
|
|
|
/* Don't build bcopy at all ... */
|
|
#define __HAVE_ARCH_BCOPY
|
|
|
|
#define __HAVE_ARCH_MEMSCAN
|
|
extern __inline__ void *memscan(void *__addr, int __c, size_t __size)
|
|
{
|
|
char *__end = (char *)__addr + __size;
|
|
|
|
__asm__(".set\tpush\n\t"
|
|
".set\tnoat\n\t"
|
|
".set\treorder\n\t"
|
|
"1:\tbeq\t%0,%1,2f\n\t"
|
|
"addiu\t%0,1\n\t"
|
|
"lb\t$1,-1(%0)\n\t"
|
|
"bne\t$1,%4,1b\n"
|
|
"2:\t.set\tpop"
|
|
: "=r" (__addr), "=r" (__end)
|
|
: "0" (__addr), "1" (__end), "r" (__c)
|
|
: "$1");
|
|
|
|
return __addr;
|
|
}
|
|
|
|
#endif /* __ASM_MIPS_STRING_H */
|