diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2008-09-16 13:48:51 -0400 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-11 11:18:52 -0400 |
commit | 384740dc49ea651ba350704d13ff6be9976e37fe (patch) | |
tree | a6e80cad287ccae7a86d81bfa692fc96889c88ed /arch/mips/include/asm/string.h | |
parent | e8c7c482347574ecdd45c43e32c332d5fc2ece61 (diff) |
MIPS: Move headfiles to new location below arch/mips/include
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/string.h')
-rw-r--r-- | arch/mips/include/asm/string.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/arch/mips/include/asm/string.h b/arch/mips/include/asm/string.h new file mode 100644 index 00000000000..436e3ad352d --- /dev/null +++ b/arch/mips/include/asm/string.h | |||
@@ -0,0 +1,143 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License. See the file "COPYING" in the main directory of this archive | ||
4 | * for more details. | ||
5 | * | ||
6 | * Copyright (c) 1994, 95, 96, 97, 98, 2000, 01 Ralf Baechle | ||
7 | * Copyright (c) 2000 by Silicon Graphics, Inc. | ||
8 | * Copyright (c) 2001 MIPS Technologies, Inc. | ||
9 | */ | ||
10 | #ifndef _ASM_STRING_H | ||
11 | #define _ASM_STRING_H | ||
12 | |||
13 | |||
14 | /* | ||
15 | * Most of the inline functions are rather naive implementations so I just | ||
16 | * didn't bother updating them for 64-bit ... | ||
17 | */ | ||
18 | #ifdef CONFIG_32BIT | ||
19 | |||
20 | #ifndef IN_STRING_C | ||
21 | |||
22 | #define __HAVE_ARCH_STRCPY | ||
23 | static __inline__ char *strcpy(char *__dest, __const__ char *__src) | ||
24 | { | ||
25 | char *__xdest = __dest; | ||
26 | |||
27 | __asm__ __volatile__( | ||
28 | ".set\tnoreorder\n\t" | ||
29 | ".set\tnoat\n" | ||
30 | "1:\tlbu\t$1,(%1)\n\t" | ||
31 | "addiu\t%1,1\n\t" | ||
32 | "sb\t$1,(%0)\n\t" | ||
33 | "bnez\t$1,1b\n\t" | ||
34 | "addiu\t%0,1\n\t" | ||
35 | ".set\tat\n\t" | ||
36 | ".set\treorder" | ||
37 | : "=r" (__dest), "=r" (__src) | ||
38 | : "0" (__dest), "1" (__src) | ||
39 | : "memory"); | ||
40 | |||
41 | return __xdest; | ||
42 | } | ||
43 | |||
44 | #define __HAVE_ARCH_STRNCPY | ||
45 | static __inline__ char *strncpy(char *__dest, __const__ char *__src, size_t __n) | ||
46 | { | ||
47 | char *__xdest = __dest; | ||
48 | |||
49 | if (__n == 0) | ||
50 | return __xdest; | ||
51 | |||
52 | __asm__ __volatile__( | ||
53 | ".set\tnoreorder\n\t" | ||
54 | ".set\tnoat\n" | ||
55 | "1:\tlbu\t$1,(%1)\n\t" | ||
56 | "subu\t%2,1\n\t" | ||
57 | "sb\t$1,(%0)\n\t" | ||
58 | "beqz\t$1,2f\n\t" | ||
59 | "addiu\t%0,1\n\t" | ||
60 | "bnez\t%2,1b\n\t" | ||
61 | "addiu\t%1,1\n" | ||
62 | "2:\n\t" | ||
63 | ".set\tat\n\t" | ||
64 | ".set\treorder" | ||
65 | : "=r" (__dest), "=r" (__src), "=r" (__n) | ||
66 | : "0" (__dest), "1" (__src), "2" (__n) | ||
67 | : "memory"); | ||
68 | |||
69 | return __xdest; | ||
70 | } | ||
71 | |||
72 | #define __HAVE_ARCH_STRCMP | ||
73 | static __inline__ int strcmp(__const__ char *__cs, __const__ char *__ct) | ||
74 | { | ||
75 | int __res; | ||
76 | |||
77 | __asm__ __volatile__( | ||
78 | ".set\tnoreorder\n\t" | ||
79 | ".set\tnoat\n\t" | ||
80 | "lbu\t%2,(%0)\n" | ||
81 | "1:\tlbu\t$1,(%1)\n\t" | ||
82 | "addiu\t%0,1\n\t" | ||
83 | "bne\t$1,%2,2f\n\t" | ||
84 | "addiu\t%1,1\n\t" | ||
85 | "bnez\t%2,1b\n\t" | ||
86 | "lbu\t%2,(%0)\n\t" | ||
87 | #if defined(CONFIG_CPU_R3000) | ||
88 | "nop\n\t" | ||
89 | #endif | ||
90 | "move\t%2,$1\n" | ||
91 | "2:\tsubu\t%2,$1\n" | ||
92 | "3:\t.set\tat\n\t" | ||
93 | ".set\treorder" | ||
94 | : "=r" (__cs), "=r" (__ct), "=r" (__res) | ||
95 | : "0" (__cs), "1" (__ct)); | ||
96 | |||
97 | return __res; | ||
98 | } | ||
99 | |||
100 | #endif /* !defined(IN_STRING_C) */ | ||
101 | |||
102 | #define __HAVE_ARCH_STRNCMP | ||
103 | static __inline__ int | ||
104 | strncmp(__const__ char *__cs, __const__ char *__ct, size_t __count) | ||
105 | { | ||
106 | int __res; | ||
107 | |||
108 | __asm__ __volatile__( | ||
109 | ".set\tnoreorder\n\t" | ||
110 | ".set\tnoat\n" | ||
111 | "1:\tlbu\t%3,(%0)\n\t" | ||
112 | "beqz\t%2,2f\n\t" | ||
113 | "lbu\t$1,(%1)\n\t" | ||
114 | "subu\t%2,1\n\t" | ||
115 | "bne\t$1,%3,3f\n\t" | ||
116 | "addiu\t%0,1\n\t" | ||
117 | "bnez\t%3,1b\n\t" | ||
118 | "addiu\t%1,1\n" | ||
119 | "2:\n\t" | ||
120 | #if defined(CONFIG_CPU_R3000) | ||
121 | "nop\n\t" | ||
122 | #endif | ||
123 | "move\t%3,$1\n" | ||
124 | "3:\tsubu\t%3,$1\n\t" | ||
125 | ".set\tat\n\t" | ||
126 | ".set\treorder" | ||
127 | : "=r" (__cs), "=r" (__ct), "=r" (__count), "=r" (__res) | ||
128 | : "0" (__cs), "1" (__ct), "2" (__count)); | ||
129 | |||
130 | return __res; | ||
131 | } | ||
132 | #endif /* CONFIG_32BIT */ | ||
133 | |||
134 | #define __HAVE_ARCH_MEMSET | ||
135 | extern void *memset(void *__s, int __c, size_t __count); | ||
136 | |||
137 | #define __HAVE_ARCH_MEMCPY | ||
138 | extern void *memcpy(void *__to, __const__ void *__from, size_t __n); | ||
139 | |||
140 | #define __HAVE_ARCH_MEMMOVE | ||
141 | extern void *memmove(void *__dest, __const__ void *__src, size_t __n); | ||
142 | |||
143 | #endif /* _ASM_STRING_H */ | ||