Rev 1702 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 1702 | Rev 1780 | ||
|---|---|---|---|
| Line 47... | Line 47... | ||
| 47 | * @param cnt Number of bytes |
47 | * @param cnt Number of bytes |
| 48 | * @return Destination |
48 | * @return Destination |
| 49 | */ |
49 | */ |
| 50 | static inline void * memcpy(void * dst, const void * src, size_t cnt) |
50 | static inline void * memcpy(void * dst, const void * src, size_t cnt) |
| 51 | { |
51 | { |
| 52 | __native d0, d1, d2; |
52 | unative_t d0, d1, d2; |
| 53 | 53 | ||
| 54 | __asm__ __volatile__( |
54 | __asm__ __volatile__( |
| 55 | "rep movsq\n\t" |
55 | "rep movsq\n\t" |
| 56 | "movq %4, %%rcx\n\t" |
56 | "movq %4, %%rcx\n\t" |
| 57 | "andq $7, %%rcx\n\t" |
57 | "andq $7, %%rcx\n\t" |
| 58 | "jz 1f\n\t" |
58 | "jz 1f\n\t" |
| 59 | "rep movsb\n\t" |
59 | "rep movsb\n\t" |
| 60 | "1:\n" |
60 | "1:\n" |
| 61 | : "=&c" (d0), "=&D" (d1), "=&S" (d2) |
61 | : "=&c" (d0), "=&D" (d1), "=&S" (d2) |
| 62 | : "0" ((__native)(cnt / 8)), "g" ((__native)cnt), "1" ((__native) dst), "2" ((__native) src) |
62 | : "0" ((unative_t)(cnt / 8)), "g" ((unative_t)cnt), "1" ((unative_t) dst), "2" ((unative_t) src) |
| 63 | : "memory"); |
63 | : "memory"); |
| 64 | 64 | ||
| 65 | return dst; |
65 | return dst; |
| 66 | } |
66 | } |
| 67 | 67 | ||
| Line 77... | Line 77... | ||
| 77 | * @param cnt Number of bytes |
77 | * @param cnt Number of bytes |
| 78 | * @return Zero if bytes are equal, non-zero otherwise |
78 | * @return Zero if bytes are equal, non-zero otherwise |
| 79 | */ |
79 | */ |
| 80 | static inline int memcmp(const void * src, const void * dst, size_t cnt) |
80 | static inline int memcmp(const void * src, const void * dst, size_t cnt) |
| 81 | { |
81 | { |
| 82 | __native d0, d1, d2; |
82 | unative_t d0, d1, d2; |
| 83 | __native ret; |
83 | unative_t ret; |
| 84 | 84 | ||
| 85 | __asm__ ( |
85 | __asm__ ( |
| 86 | "repe cmpsb\n\t" |
86 | "repe cmpsb\n\t" |
| 87 | "je 1f\n\t" |
87 | "je 1f\n\t" |
| 88 | "movq %3, %0\n\t" |
88 | "movq %3, %0\n\t" |
| 89 | "addq $1, %0\n\t" |
89 | "addq $1, %0\n\t" |
| 90 | "1:\n" |
90 | "1:\n" |
| 91 | : "=a" (ret), "=%S" (d0), "=&D" (d1), "=&c" (d2) |
91 | : "=a" (ret), "=%S" (d0), "=&D" (d1), "=&c" (d2) |
| 92 | : "0" (0), "1" (src), "2" (dst), "3" ((__native)cnt) |
92 | : "0" (0), "1" (src), "2" (dst), "3" ((unative_t)cnt) |
| 93 | ); |
93 | ); |
| 94 | 94 | ||
| 95 | return ret; |
95 | return ret; |
| 96 | } |
96 | } |
| 97 | 97 | ||
| Line 102... | Line 102... | ||
| 102 | * |
102 | * |
| 103 | * @param dst Destination |
103 | * @param dst Destination |
| 104 | * @param cnt Number of words |
104 | * @param cnt Number of words |
| 105 | * @param x Value to fill |
105 | * @param x Value to fill |
| 106 | */ |
106 | */ |
| 107 | static inline void memsetw(__address dst, size_t cnt, __u16 x) |
107 | static inline void memsetw(uintptr_t dst, size_t cnt, uint16_t x) |
| 108 | { |
108 | { |
| 109 | __native d0, d1; |
109 | unative_t d0, d1; |
| 110 | 110 | ||
| 111 | __asm__ __volatile__ ( |
111 | __asm__ __volatile__ ( |
| 112 | "rep stosw\n\t" |
112 | "rep stosw\n\t" |
| 113 | : "=&D" (d0), "=&c" (d1), "=a" (x) |
113 | : "=&D" (d0), "=&c" (d1), "=a" (x) |
| 114 | : "0" (dst), "1" ((__native)cnt), "2" (x) |
114 | : "0" (dst), "1" ((unative_t)cnt), "2" (x) |
| 115 | : "memory" |
115 | : "memory" |
| 116 | ); |
116 | ); |
| 117 | 117 | ||
| 118 | } |
118 | } |
| 119 | 119 | ||
| Line 124... | Line 124... | ||
| 124 | * |
124 | * |
| 125 | * @param dst Destination |
125 | * @param dst Destination |
| 126 | * @param cnt Number of bytes |
126 | * @param cnt Number of bytes |
| 127 | * @param x Value to fill |
127 | * @param x Value to fill |
| 128 | */ |
128 | */ |
| 129 | static inline void memsetb(__address dst, size_t cnt, __u8 x) |
129 | static inline void memsetb(uintptr_t dst, size_t cnt, uint8_t x) |
| 130 | { |
130 | { |
| 131 | __native d0, d1; |
131 | unative_t d0, d1; |
| 132 | 132 | ||
| 133 | __asm__ __volatile__ ( |
133 | __asm__ __volatile__ ( |
| 134 | "rep stosb\n\t" |
134 | "rep stosb\n\t" |
| 135 | : "=&D" (d0), "=&c" (d1), "=a" (x) |
135 | : "=&D" (d0), "=&c" (d1), "=a" (x) |
| 136 | : "0" (dst), "1" ((__native)cnt), "2" (x) |
136 | : "0" (dst), "1" ((unative_t)cnt), "2" (x) |
| 137 | : "memory" |
137 | : "memory" |
| 138 | ); |
138 | ); |
| 139 | 139 | ||
| 140 | } |
140 | } |
| 141 | 141 | ||