Annotation of /trunk/xorg-old/patches-6.8.2-r10/9962_all_text-relocations-BUSmemcpy.S.patch
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Tue May 8 20:58:51 2007 UTC (17 years, 1 month ago) by niro
File size: 3897 byte(s)
Tue May 8 20:58:51 2007 UTC (17 years, 1 month ago) by niro
File size: 3897 byte(s)
-import
| 1 | niro | 167 | --- xc-orig/programs/Xserver/hw/xfree86/os-support/misc/BUSmemcpy.S.orig 1999-07-10 03:24:49.000000000 -0400 |
| 2 | +++ xc/programs/Xserver/hw/xfree86/os-support/misc/BUSmemcpy.S 2003-12-03 02:08:01.000000000 -0500 | ||
| 3 | @@ -39,118 +39,114 @@ | ||
| 4 | |||
| 5 | #include "assyntax.h" | ||
| 6 | |||
| 7 | - FILE("BUSmemcpy.s") | ||
| 8 | + FILE("BUSmemcpy.s") | ||
| 9 | |||
| 10 | - AS_BEGIN | ||
| 11 | + AS_BEGIN | ||
| 12 | |||
| 13 | /* BusToMem copies from video memory to main memory | ||
| 14 | MemToBus copies from main memory to video memory | ||
| 15 | |||
| 16 | - void xf86BusToMem(unsigned char *dst, unsigned char *src, int len); | ||
| 17 | - void xf86MemToBus(unsigned char *dst, unsigned char *src, int len); | ||
| 18 | + void xf86BusToMem(unsigned char *dst, unsigned char *src, int len); | ||
| 19 | + void xf86MemToBus(unsigned char *dst, unsigned char *src, int len); | ||
| 20 | */ | ||
| 21 | |||
| 22 | #define dst REGOFF(4,ESP) | ||
| 23 | #define src REGOFF(8,ESP) | ||
| 24 | #define len REGOFF(12,ESP) | ||
| 25 | |||
| 26 | - GLOBL GLNAME(xf86BusToMem) | ||
| 27 | - GLOBL GLNAME(xf86MemToBus) | ||
| 28 | + GLOBL GLNAME(xf86BusToMem) | ||
| 29 | + GLOBL GLNAME(xf86MemToBus) | ||
| 30 | |||
| 31 | - SEG_DATA | ||
| 32 | + SEG_DATA | ||
| 33 | copyright: | ||
| 34 | - STRING("Copyright 8/9/1993 by Glenn G. Lai") | ||
| 35 | + STRING("Copyright 8/9/1993 by Glenn G. Lai") | ||
| 36 | |||
| 37 | - ALIGNDATA4 | ||
| 38 | -tmp: D_LONG 0 | ||
| 39 | - | ||
| 40 | - SEG_TEXT | ||
| 41 | - ALIGNTEXT4 | ||
| 42 | + SEG_TEXT | ||
| 43 | + ALIGNTEXT4 | ||
| 44 | GLNAME(xf86BusToMem): | ||
| 45 | - CLD | ||
| 46 | - MOV_L (ESI, CONTENT(tmp)) | ||
| 47 | - MOV_L (EDI, EDX) | ||
| 48 | - | ||
| 49 | - MOV_L (src, ESI) | ||
| 50 | - MOV_L (dst, EDI) | ||
| 51 | - MOV_L (len, ECX) | ||
| 52 | - | ||
| 53 | - CMP_L (CONST(7), ECX) | ||
| 54 | - JC (quickBM) | ||
| 55 | - | ||
| 56 | - TEST_L (CONST(1), ESI) | ||
| 57 | - JZ (BwM) | ||
| 58 | - | ||
| 59 | - MOVS_B | ||
| 60 | - DEC_L (ECX) | ||
| 61 | - | ||
| 62 | -BwM: | ||
| 63 | - TEST_L (CONST(2), ESI) | ||
| 64 | - JZ (BlM) | ||
| 65 | - | ||
| 66 | - MOVS_W | ||
| 67 | - DEC_L (ECX) | ||
| 68 | - DEC_L (ECX) | ||
| 69 | + CLD | ||
| 70 | + PUSH_L (ESI) | ||
| 71 | + MOV_L (EDI, EDX) | ||
| 72 | + | ||
| 73 | + MOV_L (src, ESI) | ||
| 74 | + MOV_L (dst, EDI) | ||
| 75 | + MOV_L (len, ECX) | ||
| 76 | + | ||
| 77 | + CMP_L (CONST(7), ECX) | ||
| 78 | + JC (quickBM) | ||
| 79 | + | ||
| 80 | + TEST_L (CONST(1), ESI) | ||
| 81 | + JZ (BwM) | ||
| 82 | + | ||
| 83 | + MOVS_B | ||
| 84 | + DEC_L (ECX) | ||
| 85 | + | ||
| 86 | +BwM: | ||
| 87 | + TEST_L (CONST(2), ESI) | ||
| 88 | + JZ (BlM) | ||
| 89 | + | ||
| 90 | + MOVS_W | ||
| 91 | + DEC_L (ECX) | ||
| 92 | + DEC_L (ECX) | ||
| 93 | |||
| 94 | BlM: | ||
| 95 | - MOV_L (ECX, EAX) | ||
| 96 | - AND_L (CONST(3), EAX) | ||
| 97 | - SHR_L (CONST(2), ECX) | ||
| 98 | - REP | ||
| 99 | - MOVS_L | ||
| 100 | - MOV_L (EAX, ECX) | ||
| 101 | + MOV_L (ECX, EAX) | ||
| 102 | + AND_L (CONST(3), EAX) | ||
| 103 | + SHR_L (CONST(2), ECX) | ||
| 104 | + REP | ||
| 105 | + MOVS_L | ||
| 106 | + MOV_L (EAX, ECX) | ||
| 107 | quickBM: | ||
| 108 | - OR_L (ECX, ECX) | ||
| 109 | - JZ (return) | ||
| 110 | - REP | ||
| 111 | - MOVS_B | ||
| 112 | + OR_L (ECX, ECX) | ||
| 113 | + JZ (return) | ||
| 114 | + REP | ||
| 115 | + MOVS_B | ||
| 116 | return: | ||
| 117 | - MOV_L (CONTENT(tmp), ESI) | ||
| 118 | - MOV_L (EDX, EDI) | ||
| 119 | - RET | ||
| 120 | + POP_L (ESI) | ||
| 121 | + MOV_L (EDX, EDI) | ||
| 122 | + RET | ||
| 123 | /************************/ | ||
| 124 | |||
| 125 | - ALIGNTEXT4 | ||
| 126 | + ALIGNTEXT4 | ||
| 127 | GLNAME(xf86MemToBus): | ||
| 128 | - CLD | ||
| 129 | - MOV_L (ESI, CONTENT(tmp)) | ||
| 130 | - MOV_L (EDI, EDX) | ||
| 131 | - | ||
| 132 | - MOV_L (src, ESI) | ||
| 133 | - MOV_L (dst, EDI) | ||
| 134 | - MOV_L (len, ECX) | ||
| 135 | - | ||
| 136 | - CMP_L (CONST(7), ECX) | ||
| 137 | - JC (quickMB) | ||
| 138 | - | ||
| 139 | - TEST_L (CONST(1), EDI) | ||
| 140 | - JZ (MwB) | ||
| 141 | - | ||
| 142 | - MOVS_B | ||
| 143 | - DEC_L (ECX) | ||
| 144 | - | ||
| 145 | -MwB: | ||
| 146 | - TEST_L (CONST(2), EDI) | ||
| 147 | - JZ (MlB) | ||
| 148 | - | ||
| 149 | - MOVS_W | ||
| 150 | - DEC_L (ECX) | ||
| 151 | - DEC_L (ECX) | ||
| 152 | + CLD | ||
| 153 | + PUSH_L (ESI) | ||
| 154 | + MOV_L (EDI, EDX) | ||
| 155 | + | ||
| 156 | + MOV_L (src, ESI) | ||
| 157 | + MOV_L (dst, EDI) | ||
| 158 | + MOV_L (len, ECX) | ||
| 159 | + | ||
| 160 | + CMP_L (CONST(7), ECX) | ||
| 161 | + JC (quickMB) | ||
| 162 | + | ||
| 163 | + TEST_L (CONST(1), EDI) | ||
| 164 | + JZ (MwB) | ||
| 165 | + | ||
| 166 | + MOVS_B | ||
| 167 | + DEC_L (ECX) | ||
| 168 | + | ||
| 169 | +MwB: | ||
| 170 | + TEST_L (CONST(2), EDI) | ||
| 171 | + JZ (MlB) | ||
| 172 | + | ||
| 173 | + MOVS_W | ||
| 174 | + DEC_L (ECX) | ||
| 175 | + DEC_L (ECX) | ||
| 176 | |||
| 177 | MlB: | ||
| 178 | - MOV_L (ECX, EAX) | ||
| 179 | - AND_L (CONST(3), EAX) | ||
| 180 | - SHR_L (CONST(2), ECX) | ||
| 181 | - REP | ||
| 182 | - MOVS_L | ||
| 183 | - MOV_L (EAX, ECX) | ||
| 184 | + MOV_L (ECX, EAX) | ||
| 185 | + AND_L (CONST(3), EAX) | ||
| 186 | + SHR_L (CONST(2), ECX) | ||
| 187 | + REP | ||
| 188 | + MOVS_L | ||
| 189 | + MOV_L (EAX, ECX) | ||
| 190 | quickMB: | ||
| 191 | - OR_L (ECX, ECX) | ||
| 192 | - JZ (return) | ||
| 193 | - REP | ||
| 194 | - MOVS_B | ||
| 195 | - | ||
| 196 | - MOV_L (CONTENT(tmp), ESI) | ||
| 197 | - MOV_L (EDX, EDI) | ||
| 198 | - RET | ||
| 199 | - | ||
| 200 | + OR_L (ECX, ECX) | ||
| 201 | + JZ (return) | ||
| 202 | + REP | ||
| 203 | + MOVS_B | ||
| 204 | + | ||
| 205 | + POP_L (ESI) | ||
| 206 | + MOV_L (EDX, EDI) | ||
| 207 | + RET |