patch-1.3.48 linux/include/asm-mips/string.h
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- Lines: 184
- Date:
Wed Dec 13 12:39:47 1995
- Orig file:
v1.3.47/linux/include/asm-mips/string.h
- Orig date:
Sat Jan 14 01:15:15 1995
diff -u --recursive --new-file v1.3.47/linux/include/asm-mips/string.h linux/include/asm-mips/string.h
@@ -8,12 +8,10 @@
* Copyright (c) 1994, 1995 Waldorf Electronics
* written by Ralf Baechle
*/
-
#ifndef __ASM_MIPS_STRING_H
#define __ASM_MIPS_STRING_H
-#include <asm/mipsregs.h>
-
+#define __HAVE_ARCH_STRCPY
extern __inline__ char * strcpy(char * dest, const char *src)
{
char *xdest = dest;
@@ -22,10 +20,10 @@
".set\tnoreorder\n\t"
".set\tnoat\n"
"1:\tlbu\t$1,(%1)\n\t"
- "addiu\t%1,%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,%0,1\n\t"
+ "addiu\t%0,1\n\t"
".set\tat\n\t"
".set\treorder"
: "=r" (dest), "=r" (src)
@@ -35,6 +33,7 @@
return xdest;
}
+#define __HAVE_ARCH_STRNCPY
extern __inline__ char * strncpy(char *dest, const char *src, size_t n)
{
char *xdest = dest;
@@ -62,6 +61,7 @@
return dest;
}
+#define __HAVE_ARCH_STRCMP
extern __inline__ int strcmp(const char * cs, const char * ct)
{
int __res;
@@ -71,16 +71,18 @@
".set\tnoat\n\t"
"lbu\t%2,(%0)\n"
"1:\tlbu\t$1,(%1)\n\t"
- "addiu\t%0,%0,1\n\t"
+ "addiu\t%0,1\n\t"
"bne\t$1,%2,2f\n\t"
- "addiu\t%1,%1,1\n\t"
+ "addiu\t%1,1\n\t"
"bnez\t%2,1b\n\t"
"lbu\t%2,(%0)\n\t"
- STR(FILL_LDS) "\n\t"
+#ifndef __R4000__
+ "nop\n\t"
+#endif
"move\t%2,$1\n"
- "2:\tsub\t%2,%2,$1\n"
+ "2:\tsubu\t%2,$1\n"
"3:\t.set\tat\n\t"
- ".set\treorder\n\t"
+ ".set\treorder"
: "=d" (cs), "=d" (ct), "=d" (__res)
: "0" (cs), "1" (ct)
: "$1");
@@ -88,6 +90,7 @@
return __res;
}
+#define __HAVE_ARCH_STRNCMP
extern __inline__ int strncmp(const char * cs, const char * ct, size_t count)
{
char __res;
@@ -98,13 +101,13 @@
"1:\tlbu\t%3,(%0)\n\t"
"beqz\t%2,2f\n\t"
"lbu\t$1,(%1)\n\t"
- "addiu\t%2,%2,-1\n\t"
+ "subu\t%2,1\n\t"
"bne\t$1,%3,3f\n\t"
- "addiu\t%0,%0,1\n\t"
+ "addiu\t%0,1\n\t"
"bnez\t%3,1b\n\t"
- "addiu\t%1,%1,1\n"
+ "addiu\t%1,1\n"
"2:\tmove\t%3,$1\n"
- "3:\tsub\t%3,%3,$1\n\t"
+ "3:\tsubu\t%3,$1\n\t"
".set\tat\n\t"
".set\treorder"
: "=d" (cs), "=d" (ct), "=d" (count), "=d" (__res)
@@ -114,6 +117,7 @@
return __res;
}
+#define __HAVE_ARCH_MEMSET
extern __inline__ void * memset(void * s, int c, size_t count)
{
void *xs = s;
@@ -133,6 +137,7 @@
return xs;
}
+#define __HAVE_ARCH_MEMCPY
extern __inline__ void * memcpy(void * to, const void * from, size_t n)
{
void *xto = to;
@@ -143,11 +148,11 @@
".set\tnoreorder\n\t"
".set\tnoat\n"
"1:\tlbu\t$1,(%1)\n\t"
- "addiu\t%1,%1,1\n\t"
+ "addiu\t%1,1\n\t"
"sb\t$1,(%0)\n\t"
- "subu\t%2,%2,1\n\t"
+ "subu\t%2,1\n\t"
"bnez\t%2,1b\n\t"
- "addiu\t%0,%0,1\n\t"
+ "addiu\t%0,1\n\t"
".set\tat\n\t"
".set\treorder"
: "=r" (to), "=r" (from), "=r" (n)
@@ -156,6 +161,7 @@
return xto;
}
+#define __HAVE_ARCH_MEMMOVE
extern __inline__ void * memmove(void * dest,const void * src, size_t n)
{
void *xdest = dest;
@@ -168,11 +174,11 @@
".set\tnoreorder\n\t"
".set\tnoat\n"
"1:\tlbu\t$1,(%1)\n\t"
- "addiu\t%1,%1,1\n\t"
+ "addiu\t%1,1\n\t"
"sb\t$1,(%0)\n\t"
- "subu\t%2,%2,1\n\t"
+ "subu\t%2,1\n\t"
"bnez\t%2,1b\n\t"
- "addiu\t%0,%0,1\n\t"
+ "addiu\t%0,1\n\t"
".set\tat\n\t"
".set\treorder"
: "=r" (dest), "=r" (src), "=r" (n)
@@ -183,11 +189,11 @@
".set\tnoreorder\n\t"
".set\tnoat\n"
"1:\tlbu\t$1,-1(%1)\n\t"
- "subu\t%1,%1,1\n\t"
+ "subu\t%1,1\n\t"
"sb\t$1,-1(%0)\n\t"
- "subu\t%2,%2,1\n\t"
+ "subu\t%2,1\n\t"
"bnez\t%2,1b\n\t"
- "subu\t%0,%0,1\n\t"
+ "subu\t%0,1\n\t"
".set\tat\n\t"
".set\treorder"
: "=r" (dest), "=r" (src), "=r" (n)
@@ -196,17 +202,18 @@
return xdest;
}
+#define __HAVE_ARCH_MEMSCAN
extern __inline__ void * memscan(void * addr, int c, size_t size)
{
if (!size)
return addr;
__asm__(".set\tnoreorder\n\t"
".set\tnoat\n"
- "1:\tbeq\t$0,%1,2f\n\t"
+ "1:\tbeqz\t%1,2f\n\t"
"lbu\t$1,(%0)\n\t"
- "subu\t%1,%1,1\n\t"
+ "subu\t%1,1\n\t"
"bnez\t%1,1b\n\t"
- "addiu\t%0,%0,1\n\t"
+ "addiu\t%0,1\n\t"
".set\tat\n\t"
".set\treorder\n"
"2:"
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov
with Sam's (original) version of this