1 #include <stdio.h> 2 3 unsigned int mem[] = { 4 0x121f1e1f, 0, 3, -1, 5 0x232f2e2f, 0x242c2b2b, 0x252a2e2b, 0x262d2d2a, 6 0x3f343f3e, 0x3e353d3c, 0x363a3c3b, 0x3b373b3a, 7 0x454f4e45, 0x4e464d46, 0x474d474c, 0x4a484a4c 8 }; 9 10 unsigned int mem1[] = { 11 0, 0, 0, 0, 12 0, 0, 0, 0, 13 0xffffffff, 0, 0, 0, 14 0, 0, 0, 0 15 }; 16 17 unsigned int mem2[] = { 18 0x0000e680, 0x00010700, 0x0000e7dc, 0x0000b0d0, 19 0x2ab05fd0, 0x0000b6a0, 0x0000be80, 0x0000de10, 20 0x0000df20, 0x2ab05fe0, 0x0000dfd0, 0x00010300 21 }; 22 23 #define TESTINST1(instruction, RTval, offset, RT, RS) \ 24 { \ 25 unsigned int out; \ 26 __asm__ __volatile__( \ 27 "move $"#RS", %1" "\n\t" \ 28 "li $"#RT", "#RTval "\n\t" \ 29 instruction "\n\t" \ 30 "lw %0, "#offset"($"#RS")" "\n\t" \ 31 : "=&r" (out) \ 32 : "r" (mem1), "r" (RTval) \ 33 : #RT, #RS \ 34 ); \ 35 printf("%s :: RTval: 0x%x, out: 0x%x\n", \ 36 instruction, RTval, out); \ 37 out = 0; \ 38 __asm__ __volatile__( \ 39 "move $"#RS", %1" "\n\t" \ 40 "li $"#RT", " #RTval "\n\t" \ 41 instruction "\n\t" \ 42 "lw %0, "#offset"($"#RS")" "\n\t" \ 43 : "=&r" (out) \ 44 : "r" (mem), "r" (RTval) \ 45 : #RT, #RS \ 46 ); \ 47 printf("%s :: RTval: 0x%x, out: 0x%x\n", \ 48 instruction, RTval, out); \ 49 } 50 51 /* swl $t0, 3($t1) 52 swr $t0, 0($t1) */ 53 #define TESTINSTsw(RTval, offset, RT, RS) \ 54 { \ 55 unsigned int out; \ 56 __asm__ __volatile__( \ 57 "move $"#RS", %1" "\n\t" \ 58 "daddiu $"#RS", $"#RS", "#offset "\n\t" \ 59 "li $"#RT", "#RTval "\n\t" \ 60 "swl $t0, 3($t1)" "\n\t" \ 61 "swr $t0, 0($t1)" "\n\t" \ 62 "lw %0, 0($"#RS")" "\n\t" \ 63 : "=&r" (out) \ 64 : "r" (mem2), "r" (RTval) \ 65 : #RT, #RS \ 66 ); \ 67 printf("swl $t0, 3($t1)\nswr $t0, 0($t1)\n :: RTval: 0x%x, out: 0x%x\n", \ 68 RTval, out); \ 69 } 70 71 void ppMem(unsigned int* m, int len) 72 { 73 int i; 74 printf("MEM1:\n"); 75 for (i = 0; i < len; i += 4) { 76 printf("0x%x, 0x%x, 0x%x, 0x%x\n", m[i], m[i+1], m[i+2], m[i+3]); 77 m[i] = 0; 78 m[i+1] = 0; 79 m[i+2] = 0; 80 m[i+3] = 0; 81 if (i == 2) { 82 m[i] = 0xffffffff; 83 m[i+1] = 0; 84 m[i+2] = 0; 85 m[i+3] = 0; 86 } 87 } 88 } 89 90 void ppMem1(unsigned int* m, int len) 91 { 92 int i; 93 printf("MEM:\n"); 94 for (i = 0; i < len; i += 4) { 95 printf("0x%x, 0x%x, 0x%x, 0x%x\n", m[i], m[i+1], m[i+2], m[i+3]); 96 } 97 m[0] = 0x121f1e1f; 98 m[1] = 0; 99 m[2] = 3; 100 m[3] = -1; 101 m[4] = 0x232f2e2f; 102 m[5] = 0x242c2b2b; 103 m[6] = 0x252a2e2b; 104 m[7] = 0x262d2d2a; 105 m[8] = 0x3f343f3e; 106 m[9] = 0x3e353d3c; 107 m[10] = 0x363a3c3b; 108 m[11] = 0x3b373b3a; 109 m[12] = 0x454f4e45; 110 m[13] = 0x4e464d46; 111 m[14] = 0x474d474c; 112 m[15] = 0x4a484a4c; 113 } 114 115 void ppMem2(unsigned int* m, int len) 116 { 117 int i; 118 printf("MEM:\n"); 119 for (i = 0; i < len; i=i+4) { 120 printf("0x%x, 0x%x, 0x%x, 0x%x\n", m[i], m[i+1], m[i+2], m[i+3]); 121 } 122 123 m[0] = 0x0000e680; 124 m[1] = 0x00010700; 125 m[2] = 0x0000e7dc; 126 m[3] = 0x0000b0d0; 127 m[4] = 0x2ab05fd0; 128 m[5] = 0x0000b6a0; 129 m[6] = 0x0000be80; 130 m[7] = 0x0000de10; 131 m[8] = 0x0000df20; 132 m[9] = 0x2ab05fe0; 133 m[10] = 0x0000dfd0; 134 m[11] = 0x00010300; 135 } 136 137 int main() 138 { 139 printf("sb\n"); 140 TESTINST1("sb $t0, 3($t1)", 0, 3, t0, t1); 141 TESTINST1("sb $t0, 5($t1)", 0x31415927, 5, t0, t1); 142 TESTINST1("sb $t0, 7($t1)", 0x7fffffff, 7, t0, t1); 143 TESTINST1("sb $t0, 1($t1)", 0x80000000, 1, t0, t1); 144 TESTINST1("sb $t0, 2($t1)", 0x80000000, 2, t0, t1); 145 TESTINST1("sb $t0, 6($t1)", 0x7fffffff, 6, t0, t1); 146 TESTINST1("sb $t0, 11($t1)", 0x7fffffff, 11, t0, t1); 147 TESTINST1("sb $t0, 8($t1)", -1, 8, t0, t1); 148 TESTINST1("sb $t0, 0($t1)", 0x31415927, 0, t0, t1); 149 TESTINST1("sb $t0, 0($t1)", 0x0dd00000, 0, t0, t1); 150 TESTINST1("sb $t0, 0($t1)", 655, 0, t0, t1); 151 TESTINST1("sb $t0, 0($t1)", -655, 0, t0, t1); 152 TESTINST1("sb $t0, 0($t1)", 15, 0, t0, t1); 153 TESTINST1("sb $t0, 0($t1)", 1, 0, t0, t1); 154 TESTINST1("sb $t0, 0($t1)", 53, 0, t0, t1); 155 TESTINST1("sb $t0, 2($t1)", 0xffffffff, 2, t0, t1); 156 TESTINST1("sb $t0, 2($t1)", 0xffffffff, 2, t0, t1); 157 TESTINST1("sb $t0, 31($t1)", 0xffffffff, 31, t0, t1); 158 TESTINST1("sb $t0, 35($t1)", 0xffffffff, 35, t0, t1); 159 TESTINST1("sb $t0, 41($t1)", 0x31415927, 41, t0, t1); 160 TESTINST1("sb $t0, 42($t1)", 0x7fffffff, 42, t0, t1); 161 TESTINST1("sb $t0, 45($t1)", 0x80000000, 45, t0, t1); 162 TESTINST1("sb $t0, 51($t1)", 655, 51, t0, t1); 163 ppMem(mem1, 16); 164 ppMem1(mem, 16); 165 166 printf("sh\n"); 167 TESTINST1("sh $t0, 1($t1)", 0, 1, t0, t1); 168 TESTINST1("sh $t0, 3($t1)", 0x31415927, 3, t0, t1); 169 TESTINST1("sh $t0, 5($t1)", 0x7fffffff, 5, t0, t1); 170 TESTINST1("sh $t0, 7($t1)", 0x80000000, 7, t0, t1); 171 TESTINST1("sh $t0, 9($t1)", 0x80000000, 9, t0, t1); 172 TESTINST1("sh $t0, 6($t1)", 0x7fffffff, 6, t0, t1); 173 TESTINST1("sh $t0, 11($t1)", 0x7fffffff, 11, t0, t1); 174 TESTINST1("sh $t0, 8($t1)", -1, 8, t0, t1); 175 TESTINST1("sh $t0, 0($t1)", 0x31415927, 0, t0, t1); 176 TESTINST1("sh $t0, 0($t1)", 0x0dd00000, 0, t0, t1); 177 TESTINST1("sh $t0, 0($t1)", 655, 0, t0, t1); 178 TESTINST1("sh $t0, 0($t1)", -655, 0, t0, t1); 179 TESTINST1("sh $t0, 0($t1)", 15, 0, t0, t1); 180 TESTINST1("sh $t0, 0($t1)", 1, 0, t0, t1); 181 TESTINST1("sh $t0, 0($t1)", 53, 0, t0, t1); 182 TESTINST1("sh $t0, 2($t1)", 0xffffffff, 2, t0, t1); 183 TESTINST1("sh $t0, 2($t1)", 0xffffffff, 2, t0, t1); 184 TESTINST1("sh $t0, 31($t1)", 0xffffffff, 31, t0, t1); 185 TESTINST1("sh $t0, 35($t1)", 0xffffffff, 35, t0, t1); 186 TESTINST1("sh $t0, 41($t1)", 0x31415927, 41, t0, t1); 187 TESTINST1("sh $t0, 47($t1)", 0x7fffffff, 47, t0, t1); 188 TESTINST1("sh $t0, 49($t1)", 0x80000000, 49, t0, t1); 189 TESTINST1("sh $t0, 51($t1)", 655, 51, t0, t1); 190 ppMem(mem1, 16); 191 ppMem1(mem, 16); 192 193 printf("sw\n"); 194 TESTINST1("sw $t0, 1($t1)", 0, 1, t0, t1); 195 TESTINST1("sw $t0, 3($t1)", 0x31415927, 3, t0, t1); 196 TESTINST1("sw $t0, 5($t1)", 0x7fffffff, 5, t0, t1); 197 TESTINST1("sw $t0, 7($t1)", 0x80000000, 7, t0, t1); 198 TESTINST1("sw $t0, 9($t1)", 0x80000000, 9, t0, t1); 199 TESTINST1("sw $t0, 6($t1)", 0x7fffffff, 6, t0, t1); 200 TESTINST1("sw $t0, 15($t1)", 0x7fffffff, 11, t0, t1); 201 TESTINST1("sw $t0, 8($t1)", -1, 8, t0, t1); 202 TESTINST1("sw $t0, 0($t1)", 0x31415927, 0, t0, t1); 203 TESTINST1("sw $t0, 0($t1)", 0x0dd00000, 0, t0, t1); 204 TESTINST1("sw $t0, 0($t1)", 655, 0, t0, t1); 205 TESTINST1("sw $t0, 0($t1)", -655, 0, t0, t1); 206 TESTINST1("sw $t0, 0($t1)", 15, 0, t0, t1); 207 TESTINST1("sw $t0, 0($t1)", 1, 0, t0, t1); 208 TESTINST1("sw $t0, 0($t1)", 53, 0, t0, t1); 209 TESTINST1("sw $t0, 2($t1)", 0xffffffff, 2, t0, t1); 210 TESTINST1("sw $t0, 2($t1)", 0xffffffff, 2, t0, t1); 211 TESTINST1("sw $t0, 31($t1)", 0xffffffff, 31, t0, t1); 212 TESTINST1("sw $t0, 37($t1)", 0xffffffff, 37, t0, t1); 213 TESTINST1("sw $t0, 49($t1)", 0x31415927, 49, t0, t1); 214 TESTINST1("sw $t0, 41($t1)", 0x7fffffff, 41, t0, t1); 215 TESTINST1("sw $t0, 43($t1)", 0x80000000, 43, t0, t1); 216 TESTINST1("sw $t0, 51($t1)", 655, 51, t0, t1); 217 ppMem(mem1, 16); 218 ppMem1(mem, 16); 219 220 printf("swl\n"); 221 TESTINST1("swl $t0, 1($t1)", 0, 1, t0, t1); 222 TESTINST1("swl $t0, 3($t1)", 0x31415927, 3, t0, t1); 223 TESTINST1("swl $t0, 5($t1)", 0x7fffffff, 5, t0, t1); 224 TESTINST1("swl $t0, 7($t1)", 0x80000000, 7, t0, t1); 225 TESTINST1("swl $t0, 9($t1)", 0x80000000, 9, t0, t1); 226 TESTINST1("swl $t0, 6($t1)", 0x7fffffff, 6, t0, t1); 227 TESTINST1("swl $t0, 11($t1)", 0x7fffffff, 11, t0, t1); 228 TESTINST1("swl $t0, 8($t1)", -1, 8, t0, t1); 229 TESTINST1("swl $t0, 0($t1)", 0x31415927, 0, t0, t1); 230 TESTINST1("swl $t0, 0($t1)", 0x0dd00000, 0, t0, t1); 231 TESTINST1("swl $t0, 0($t1)", 655, 0, t0, t1); 232 TESTINST1("swl $t0, 0($t1)", -655, 0, t0, t1); 233 TESTINST1("swl $t0, 0($t1)", 15, 0, t0, t1); 234 TESTINST1("swl $t0, 0($t1)", 1, 0, t0, t1); 235 TESTINST1("swl $t0, 0($t1)", 53, 0, t0, t1); 236 TESTINST1("swl $t0, 2($t1)", 0xffffffff, 2, t0, t1); 237 TESTINST1("swl $t0, 2($t1)", 0xffffffff, 2, t0, t1); 238 TESTINST1("swl $t0, 33($t1)", 0xffffffff, 33, t0, t1); 239 TESTINST1("swl $t0, 35($t1)", 0xffffffff, 35, t0, t1); 240 TESTINST1("swl $t0, 41($t1)", 0x31415927, 41, t0, t1); 241 TESTINST1("swl $t0, 45($t1)", 0x7fffffff, 45, t0, t1); 242 TESTINST1("swl $t0, 49($t1)", 0x80000000, 49, t0, t1); 243 TESTINST1("swl $t0, 51($t1)", 655, 51, t0, t1); 244 ppMem(mem1, 16); 245 ppMem1(mem, 16); 246 247 printf("swr\n"); 248 TESTINST1("swr $t0, 1($t1)", 0, 1, t0, t1); 249 TESTINST1("swr $t0, 3($t1)", 0x31415927, 3, t0, t1); 250 TESTINST1("swr $t0, 5($t1)", 0x7fffffff, 5, t0, t1); 251 TESTINST1("swr $t0, 7($t1)", 0x80000000, 7, t0, t1); 252 TESTINST1("swr $t0, 9($t1)", 0x80000000, 9, t0, t1); 253 TESTINST1("swr $t0, 6($t1)", 0x7fffffff, 6, t0, t1); 254 TESTINST1("swr $t0, 11($t1)", 0x7fffffff, 11, t0, t1); 255 TESTINST1("swr $t0, 8($t1)", -1, 8, t0, t1); 256 TESTINST1("swr $t0, 0($t1)", 0x31415927, 0, t0, t1); 257 TESTINST1("swr $t0, 0($t1)", 0x0dd00000, 0, t0, t1); 258 TESTINST1("swr $t0, 0($t1)", 655, 0, t0, t1); 259 TESTINST1("swr $t0, 0($t1)", -655, 0, t0, t1); 260 TESTINST1("swr $t0, 0($t1)", 15, 0, t0, t1); 261 TESTINST1("swr $t0, 0($t1)", 1, 0, t0, t1); 262 TESTINST1("swr $t0, 0($t1)", 53, 0, t0, t1); 263 TESTINST1("swr $t0, 2($t1)", 0xffffffff, 2, t0, t1); 264 TESTINST1("swr $t0, 2($t1)", 0xffffffff, 2, t0, t1); 265 TESTINST1("swr $t0, 31($t1)", 0xffffffff, 31, t0, t1); 266 TESTINST1("swr $t0, 33($t1)", 0xffffffff, 33, t0, t1); 267 TESTINST1("swr $t0, 45($t1)", 0x31415927, 45, t0, t1); 268 TESTINST1("swr $t0, 47($t1)", 0x7fffffff, 47, t0, t1); 269 TESTINST1("swr $t0, 49($t1)", 0x80000000, 49, t0, t1); 270 TESTINST1("swr $t0, 51($t1)", 655, 51, t0, t1); 271 ppMem(mem1, 16); 272 ppMem1(mem, 16); 273 274 printf("ulw\n"); 275 TESTINST1("ulw $t0, 0($t1)", 0, 0, t0, t1); 276 TESTINST1("ulw $t0, 0($t1)", 0x31415927, 0, t0, t1); 277 TESTINST1("ulw $t0, 0($t1)", 0x7fffffff, 0, t0, t1); 278 TESTINST1("ulw $t0, 0($t1)", 0x80000000, 0, t0, t1); 279 TESTINST1("ulw $t0, 2($t1)", 0x80000000, 2, t0, t1); 280 TESTINST1("ulw $t0, 6($t1)", 0x7fffffff, 6, t0, t1); 281 TESTINST1("ulw $t0, 10($t1)", 0x7fffffff, 10, t0, t1); 282 TESTINST1("ulw $t0, 8($t1)", -1, 8, t0, t1); 283 TESTINST1("ulw $t0, 0($t1)", 0x31415927, 0, t0, t1); 284 TESTINST1("ulw $t0, 0($t1)", 0x0dd00000, 0, t0, t1); 285 TESTINST1("ulw $t0, 0($t1)", 655, 0, t0, t1); 286 TESTINST1("ulw $t0, 0($t1)", -655, 0, t0, t1); 287 TESTINST1("ulw $t0, 0($t1)", 15, 0, t0, t1); 288 TESTINST1("ulw $t0, 0($t1)", 1, 0, t0, t1); 289 TESTINST1("ulw $t0, 0($t1)", 53, 0, t0, t1); 290 TESTINST1("ulw $t0, 2($t1)", 0xffffffff, 2, t0, t1); 291 TESTINST1("ulw $t0, 2($t1)", 0xffffffff, 2, t0, t1); 292 TESTINST1("ulw $t0, 32($t1)", 0xffffffff, 32, t0, t1); 293 TESTINST1("ulw $t0, 36($t1)", 0xffffffff, 36, t0, t1); 294 TESTINST1("ulw $t0, 40($t1)", 0x31415927, 40, t0, t1); 295 TESTINST1("ulw $t0, 44($t1)", 0x7fffffff, 44, t0, t1); 296 TESTINST1("ulw $t0, 48($t1)", 0x80000000, 48, t0, t1); 297 TESTINST1("ulw $t0, 52($t1)", 655, 52, t0, t1); 298 ppMem(mem1, 16); 299 ppMem1(mem, 16); 300 301 printf("usw\n"); 302 TESTINST1("usw $t0, 0($t1)", 0, 0, t0, t1); 303 TESTINST1("usw $t0, 0($t1)", 0x31415927, 0, t0, t1); 304 TESTINST1("usw $t0, 0($t1)", 0x7fffffff, 0, t0, t1); 305 TESTINST1("usw $t0, 0($t1)", 0x80000000, 0, t0, t1); 306 TESTINST1("usw $t0, 2($t1)", 0x80000000, 2, t0, t1); 307 TESTINST1("usw $t0, 6($t1)", 0x7fffffff, 6, t0, t1); 308 TESTINST1("usw $t0, 10($t1)", 0x7fffffff, 10, t0, t1); 309 TESTINST1("usw $t0, 8($t1)", -1, 8, t0, t1); 310 TESTINST1("usw $t0, 0($t1)", 0x31415927, 0, t0, t1); 311 TESTINST1("usw $t0, 0($t1)", 0x0dd00000, 0, t0, t1); 312 TESTINST1("usw $t0, 0($t1)", 655, 0, t0, t1); 313 TESTINST1("usw $t0, 0($t1)", -655, 0, t0, t1); 314 TESTINST1("usw $t0, 0($t1)", 15, 0, t0, t1); 315 TESTINST1("usw $t0, 0($t1)", 1, 0, t0, t1); 316 TESTINST1("usw $t0, 0($t1)", 53, 0, t0, t1); 317 TESTINST1("usw $t0, 2($t1)", 0xffffffff, 2, t0, t1); 318 TESTINST1("usw $t0, 2($t1)", 0xffffffff, 2, t0, t1); 319 TESTINST1("usw $t0, 32($t1)", 0xffffffff, 32, t0, t1); 320 TESTINST1("usw $t0, 36($t1)", 0xffffffff, 36, t0, t1); 321 TESTINST1("usw $t0, 40($t1)", 0x31415927, 40, t0, t1); 322 TESTINST1("usw $t0, 44($t1)", 0x7fffffff, 44, t0, t1); 323 TESTINST1("usw $t0, 48($t1)", 0x80000000, 48, t0, t1); 324 TESTINST1("usw $t0, 52($t1)", 655, 52, t0, t1); 325 ppMem(mem1, 16); 326 ppMem1(mem, 16); 327 328 printf("swl $t0, 3($t0)\nswr $t0, 0($t0)\n"); 329 TESTINSTsw(0x4853000, 0, t0, t1); 330 ppMem2(mem2, 12); 331 TESTINSTsw(0x4853000, 4, t0, t1); 332 ppMem2(mem2, 12); 333 TESTINSTsw(0x4863700, 8, t0, t1); 334 ppMem2(mem2, 12); 335 TESTINSTsw(0x48aedd0, 12, t0, t1); 336 ppMem2(mem2, 12); 337 TESTINSTsw(0x2aaee700, 16, t0, t1); 338 ppMem2(mem2, 12); 339 TESTINSTsw(0x2aaee7ff, 20, t0, t1); 340 ppMem2(mem2, 12); 341 TESTINSTsw(0x2aaeffff, 24, t0, t1); 342 ppMem2(mem2, 12); 343 TESTINSTsw(0x4863700, 28, t0, t1); 344 ppMem2(mem2, 12); 345 TESTINSTsw(0x2aaee700, 32, t0, t1); 346 ppMem2(mem2, 12); 347 348 return 0; 349 } 350 351
