#include <stdio.h> unsigned int mem[] = { 0x121f1e1f, 0, 3, -1, 0x232f2e2f, 0x242c2b2b, 0x252a2e2b, 0x262d2d2a, 0x3f343f3e, 0x3e353d3c, 0x363a3c3b, 0x3b373b3a, 0x454f4e45, 0x4e464d46, 0x474d474c, 0x4a484a4c }; unsigned int mem1[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0xffffffff, 0, 0, 0, 0, 0, 0, 0 }; unsigned int mem2[] = { 0x0000e680, 0x00010700, 0x0000e7dc, 0x0000b0d0, 0x2ab05fd0, 0x0000b6a0, 0x0000be80, 0x0000de10, 0x0000df20, 0x2ab05fe0, 0x0000dfd0, 0x00010300 }; #define TESTINST1(instruction, RTval, offset, RT, RS) \ { \ unsigned int out; \ __asm__ __volatile__( \ "move $"#RS", %1" "\n\t" \ "li $"#RT", "#RTval "\n\t" \ instruction "\n\t" \ "lw %0, "#offset"($"#RS")" "\n\t" \ : "=&r" (out) \ : "r" (mem1), "r" (RTval) \ : #RT, #RS \ ); \ printf("%s :: RTval: 0x%x, out: 0x%x\n", \ instruction, RTval, out); \ out = 0; \ __asm__ __volatile__( \ "move $"#RS", %1" "\n\t" \ "li $"#RT", " #RTval "\n\t" \ instruction "\n\t" \ "lw %0, "#offset"($"#RS")" "\n\t" \ : "=&r" (out) \ : "r" (mem), "r" (RTval) \ : #RT, #RS \ ); \ printf("%s :: RTval: 0x%x, out: 0x%x\n", \ instruction, RTval, out); \ } /* swl $t0, 3($t1) swr $t0, 0($t1) */ #define TESTINSTsw(RTval, offset, RT, RS) \ { \ unsigned int out; \ __asm__ __volatile__( \ "move $"#RS", %1" "\n\t" \ "daddiu $"#RS", $"#RS", "#offset "\n\t" \ "li $"#RT", "#RTval "\n\t" \ "swl $t0, 3($t1)" "\n\t" \ "swr $t0, 0($t1)" "\n\t" \ "lw %0, 0($"#RS")" "\n\t" \ : "=&r" (out) \ : "r" (mem2), "r" (RTval) \ : #RT, #RS \ ); \ printf("swl $t0, 3($t1)\nswr $t0, 0($t1)\n :: RTval: 0x%x, out: 0x%x\n", \ RTval, out); \ } void ppMem(unsigned int* m, int len) { int i; printf("MEM1:\n"); for (i = 0; i < len; i += 4) { printf("0x%x, 0x%x, 0x%x, 0x%x\n", m[i], m[i+1], m[i+2], m[i+3]); m[i] = 0; m[i+1] = 0; m[i+2] = 0; m[i+3] = 0; if (i == 2) { m[i] = 0xffffffff; m[i+1] = 0; m[i+2] = 0; m[i+3] = 0; } } } void ppMem1(unsigned int* m, int len) { int i; printf("MEM:\n"); for (i = 0; i < len; i += 4) { printf("0x%x, 0x%x, 0x%x, 0x%x\n", m[i], m[i+1], m[i+2], m[i+3]); } m[0] = 0x121f1e1f; m[1] = 0; m[2] = 3; m[3] = -1; m[4] = 0x232f2e2f; m[5] = 0x242c2b2b; m[6] = 0x252a2e2b; m[7] = 0x262d2d2a; m[8] = 0x3f343f3e; m[9] = 0x3e353d3c; m[10] = 0x363a3c3b; m[11] = 0x3b373b3a; m[12] = 0x454f4e45; m[13] = 0x4e464d46; m[14] = 0x474d474c; m[15] = 0x4a484a4c; } void ppMem2(unsigned int* m, int len) { int i; printf("MEM:\n"); for (i = 0; i < len; i=i+4) { printf("0x%x, 0x%x, 0x%x, 0x%x\n", m[i], m[i+1], m[i+2], m[i+3]); } m[0] = 0x0000e680; m[1] = 0x00010700; m[2] = 0x0000e7dc; m[3] = 0x0000b0d0; m[4] = 0x2ab05fd0; m[5] = 0x0000b6a0; m[6] = 0x0000be80; m[7] = 0x0000de10; m[8] = 0x0000df20; m[9] = 0x2ab05fe0; m[10] = 0x0000dfd0; m[11] = 0x00010300; } int main() { printf("sb\n"); TESTINST1("sb $t0, 3($t1)", 0, 3, t0, t1); TESTINST1("sb $t0, 5($t1)", 0x31415927, 5, t0, t1); TESTINST1("sb $t0, 7($t1)", 0x7fffffff, 7, t0, t1); TESTINST1("sb $t0, 1($t1)", 0x80000000, 1, t0, t1); TESTINST1("sb $t0, 2($t1)", 0x80000000, 2, t0, t1); TESTINST1("sb $t0, 6($t1)", 0x7fffffff, 6, t0, t1); TESTINST1("sb $t0, 11($t1)", 0x7fffffff, 11, t0, t1); TESTINST1("sb $t0, 8($t1)", -1, 8, t0, t1); TESTINST1("sb $t0, 0($t1)", 0x31415927, 0, t0, t1); TESTINST1("sb $t0, 0($t1)", 0x0dd00000, 0, t0, t1); TESTINST1("sb $t0, 0($t1)", 655, 0, t0, t1); TESTINST1("sb $t0, 0($t1)", -655, 0, t0, t1); TESTINST1("sb $t0, 0($t1)", 15, 0, t0, t1); TESTINST1("sb $t0, 0($t1)", 1, 0, t0, t1); TESTINST1("sb $t0, 0($t1)", 53, 0, t0, t1); TESTINST1("sb $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("sb $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("sb $t0, 31($t1)", 0xffffffff, 31, t0, t1); TESTINST1("sb $t0, 35($t1)", 0xffffffff, 35, t0, t1); TESTINST1("sb $t0, 41($t1)", 0x31415927, 41, t0, t1); TESTINST1("sb $t0, 42($t1)", 0x7fffffff, 42, t0, t1); TESTINST1("sb $t0, 45($t1)", 0x80000000, 45, t0, t1); TESTINST1("sb $t0, 51($t1)", 655, 51, t0, t1); ppMem(mem1, 16); ppMem1(mem, 16); printf("sh\n"); TESTINST1("sh $t0, 1($t1)", 0, 1, t0, t1); TESTINST1("sh $t0, 3($t1)", 0x31415927, 3, t0, t1); TESTINST1("sh $t0, 5($t1)", 0x7fffffff, 5, t0, t1); TESTINST1("sh $t0, 7($t1)", 0x80000000, 7, t0, t1); TESTINST1("sh $t0, 9($t1)", 0x80000000, 9, t0, t1); TESTINST1("sh $t0, 6($t1)", 0x7fffffff, 6, t0, t1); TESTINST1("sh $t0, 11($t1)", 0x7fffffff, 11, t0, t1); TESTINST1("sh $t0, 8($t1)", -1, 8, t0, t1); TESTINST1("sh $t0, 0($t1)", 0x31415927, 0, t0, t1); TESTINST1("sh $t0, 0($t1)", 0x0dd00000, 0, t0, t1); TESTINST1("sh $t0, 0($t1)", 655, 0, t0, t1); TESTINST1("sh $t0, 0($t1)", -655, 0, t0, t1); TESTINST1("sh $t0, 0($t1)", 15, 0, t0, t1); TESTINST1("sh $t0, 0($t1)", 1, 0, t0, t1); TESTINST1("sh $t0, 0($t1)", 53, 0, t0, t1); TESTINST1("sh $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("sh $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("sh $t0, 31($t1)", 0xffffffff, 31, t0, t1); TESTINST1("sh $t0, 35($t1)", 0xffffffff, 35, t0, t1); TESTINST1("sh $t0, 41($t1)", 0x31415927, 41, t0, t1); TESTINST1("sh $t0, 47($t1)", 0x7fffffff, 47, t0, t1); TESTINST1("sh $t0, 49($t1)", 0x80000000, 49, t0, t1); TESTINST1("sh $t0, 51($t1)", 655, 51, t0, t1); ppMem(mem1, 16); ppMem1(mem, 16); printf("sw\n"); TESTINST1("sw $t0, 1($t1)", 0, 1, t0, t1); TESTINST1("sw $t0, 3($t1)", 0x31415927, 3, t0, t1); TESTINST1("sw $t0, 5($t1)", 0x7fffffff, 5, t0, t1); TESTINST1("sw $t0, 7($t1)", 0x80000000, 7, t0, t1); TESTINST1("sw $t0, 9($t1)", 0x80000000, 9, t0, t1); TESTINST1("sw $t0, 6($t1)", 0x7fffffff, 6, t0, t1); TESTINST1("sw $t0, 15($t1)", 0x7fffffff, 11, t0, t1); TESTINST1("sw $t0, 8($t1)", -1, 8, t0, t1); TESTINST1("sw $t0, 0($t1)", 0x31415927, 0, t0, t1); TESTINST1("sw $t0, 0($t1)", 0x0dd00000, 0, t0, t1); TESTINST1("sw $t0, 0($t1)", 655, 0, t0, t1); TESTINST1("sw $t0, 0($t1)", -655, 0, t0, t1); TESTINST1("sw $t0, 0($t1)", 15, 0, t0, t1); TESTINST1("sw $t0, 0($t1)", 1, 0, t0, t1); TESTINST1("sw $t0, 0($t1)", 53, 0, t0, t1); TESTINST1("sw $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("sw $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("sw $t0, 31($t1)", 0xffffffff, 31, t0, t1); TESTINST1("sw $t0, 37($t1)", 0xffffffff, 37, t0, t1); TESTINST1("sw $t0, 49($t1)", 0x31415927, 49, t0, t1); TESTINST1("sw $t0, 41($t1)", 0x7fffffff, 41, t0, t1); TESTINST1("sw $t0, 43($t1)", 0x80000000, 43, t0, t1); TESTINST1("sw $t0, 51($t1)", 655, 51, t0, t1); ppMem(mem1, 16); ppMem1(mem, 16); printf("swl\n"); TESTINST1("swl $t0, 1($t1)", 0, 1, t0, t1); TESTINST1("swl $t0, 3($t1)", 0x31415927, 3, t0, t1); TESTINST1("swl $t0, 5($t1)", 0x7fffffff, 5, t0, t1); TESTINST1("swl $t0, 7($t1)", 0x80000000, 7, t0, t1); TESTINST1("swl $t0, 9($t1)", 0x80000000, 9, t0, t1); TESTINST1("swl $t0, 6($t1)", 0x7fffffff, 6, t0, t1); TESTINST1("swl $t0, 11($t1)", 0x7fffffff, 11, t0, t1); TESTINST1("swl $t0, 8($t1)", -1, 8, t0, t1); TESTINST1("swl $t0, 0($t1)", 0x31415927, 0, t0, t1); TESTINST1("swl $t0, 0($t1)", 0x0dd00000, 0, t0, t1); TESTINST1("swl $t0, 0($t1)", 655, 0, t0, t1); TESTINST1("swl $t0, 0($t1)", -655, 0, t0, t1); TESTINST1("swl $t0, 0($t1)", 15, 0, t0, t1); TESTINST1("swl $t0, 0($t1)", 1, 0, t0, t1); TESTINST1("swl $t0, 0($t1)", 53, 0, t0, t1); TESTINST1("swl $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("swl $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("swl $t0, 33($t1)", 0xffffffff, 33, t0, t1); TESTINST1("swl $t0, 35($t1)", 0xffffffff, 35, t0, t1); TESTINST1("swl $t0, 41($t1)", 0x31415927, 41, t0, t1); TESTINST1("swl $t0, 45($t1)", 0x7fffffff, 45, t0, t1); TESTINST1("swl $t0, 49($t1)", 0x80000000, 49, t0, t1); TESTINST1("swl $t0, 51($t1)", 655, 51, t0, t1); ppMem(mem1, 16); ppMem1(mem, 16); printf("swr\n"); TESTINST1("swr $t0, 1($t1)", 0, 1, t0, t1); TESTINST1("swr $t0, 3($t1)", 0x31415927, 3, t0, t1); TESTINST1("swr $t0, 5($t1)", 0x7fffffff, 5, t0, t1); TESTINST1("swr $t0, 7($t1)", 0x80000000, 7, t0, t1); TESTINST1("swr $t0, 9($t1)", 0x80000000, 9, t0, t1); TESTINST1("swr $t0, 6($t1)", 0x7fffffff, 6, t0, t1); TESTINST1("swr $t0, 11($t1)", 0x7fffffff, 11, t0, t1); TESTINST1("swr $t0, 8($t1)", -1, 8, t0, t1); TESTINST1("swr $t0, 0($t1)", 0x31415927, 0, t0, t1); TESTINST1("swr $t0, 0($t1)", 0x0dd00000, 0, t0, t1); TESTINST1("swr $t0, 0($t1)", 655, 0, t0, t1); TESTINST1("swr $t0, 0($t1)", -655, 0, t0, t1); TESTINST1("swr $t0, 0($t1)", 15, 0, t0, t1); TESTINST1("swr $t0, 0($t1)", 1, 0, t0, t1); TESTINST1("swr $t0, 0($t1)", 53, 0, t0, t1); TESTINST1("swr $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("swr $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("swr $t0, 31($t1)", 0xffffffff, 31, t0, t1); TESTINST1("swr $t0, 33($t1)", 0xffffffff, 33, t0, t1); TESTINST1("swr $t0, 45($t1)", 0x31415927, 45, t0, t1); TESTINST1("swr $t0, 47($t1)", 0x7fffffff, 47, t0, t1); TESTINST1("swr $t0, 49($t1)", 0x80000000, 49, t0, t1); TESTINST1("swr $t0, 51($t1)", 655, 51, t0, t1); ppMem(mem1, 16); ppMem1(mem, 16); printf("ulw\n"); TESTINST1("ulw $t0, 0($t1)", 0, 0, t0, t1); TESTINST1("ulw $t0, 0($t1)", 0x31415927, 0, t0, t1); TESTINST1("ulw $t0, 0($t1)", 0x7fffffff, 0, t0, t1); TESTINST1("ulw $t0, 0($t1)", 0x80000000, 0, t0, t1); TESTINST1("ulw $t0, 2($t1)", 0x80000000, 2, t0, t1); TESTINST1("ulw $t0, 6($t1)", 0x7fffffff, 6, t0, t1); TESTINST1("ulw $t0, 10($t1)", 0x7fffffff, 10, t0, t1); TESTINST1("ulw $t0, 8($t1)", -1, 8, t0, t1); TESTINST1("ulw $t0, 0($t1)", 0x31415927, 0, t0, t1); TESTINST1("ulw $t0, 0($t1)", 0x0dd00000, 0, t0, t1); TESTINST1("ulw $t0, 0($t1)", 655, 0, t0, t1); TESTINST1("ulw $t0, 0($t1)", -655, 0, t0, t1); TESTINST1("ulw $t0, 0($t1)", 15, 0, t0, t1); TESTINST1("ulw $t0, 0($t1)", 1, 0, t0, t1); TESTINST1("ulw $t0, 0($t1)", 53, 0, t0, t1); TESTINST1("ulw $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("ulw $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("ulw $t0, 32($t1)", 0xffffffff, 32, t0, t1); TESTINST1("ulw $t0, 36($t1)", 0xffffffff, 36, t0, t1); TESTINST1("ulw $t0, 40($t1)", 0x31415927, 40, t0, t1); TESTINST1("ulw $t0, 44($t1)", 0x7fffffff, 44, t0, t1); TESTINST1("ulw $t0, 48($t1)", 0x80000000, 48, t0, t1); TESTINST1("ulw $t0, 52($t1)", 655, 52, t0, t1); ppMem(mem1, 16); ppMem1(mem, 16); printf("usw\n"); TESTINST1("usw $t0, 0($t1)", 0, 0, t0, t1); TESTINST1("usw $t0, 0($t1)", 0x31415927, 0, t0, t1); TESTINST1("usw $t0, 0($t1)", 0x7fffffff, 0, t0, t1); TESTINST1("usw $t0, 0($t1)", 0x80000000, 0, t0, t1); TESTINST1("usw $t0, 2($t1)", 0x80000000, 2, t0, t1); TESTINST1("usw $t0, 6($t1)", 0x7fffffff, 6, t0, t1); TESTINST1("usw $t0, 10($t1)", 0x7fffffff, 10, t0, t1); TESTINST1("usw $t0, 8($t1)", -1, 8, t0, t1); TESTINST1("usw $t0, 0($t1)", 0x31415927, 0, t0, t1); TESTINST1("usw $t0, 0($t1)", 0x0dd00000, 0, t0, t1); TESTINST1("usw $t0, 0($t1)", 655, 0, t0, t1); TESTINST1("usw $t0, 0($t1)", -655, 0, t0, t1); TESTINST1("usw $t0, 0($t1)", 15, 0, t0, t1); TESTINST1("usw $t0, 0($t1)", 1, 0, t0, t1); TESTINST1("usw $t0, 0($t1)", 53, 0, t0, t1); TESTINST1("usw $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("usw $t0, 2($t1)", 0xffffffff, 2, t0, t1); TESTINST1("usw $t0, 32($t1)", 0xffffffff, 32, t0, t1); TESTINST1("usw $t0, 36($t1)", 0xffffffff, 36, t0, t1); TESTINST1("usw $t0, 40($t1)", 0x31415927, 40, t0, t1); TESTINST1("usw $t0, 44($t1)", 0x7fffffff, 44, t0, t1); TESTINST1("usw $t0, 48($t1)", 0x80000000, 48, t0, t1); TESTINST1("usw $t0, 52($t1)", 655, 52, t0, t1); ppMem(mem1, 16); ppMem1(mem, 16); printf("swl $t0, 3($t0)\nswr $t0, 0($t0)\n"); TESTINSTsw(0x4853000, 0, t0, t1); ppMem2(mem2, 12); TESTINSTsw(0x4853000, 4, t0, t1); ppMem2(mem2, 12); TESTINSTsw(0x4863700, 8, t0, t1); ppMem2(mem2, 12); TESTINSTsw(0x48aedd0, 12, t0, t1); ppMem2(mem2, 12); TESTINSTsw(0x2aaee700, 16, t0, t1); ppMem2(mem2, 12); TESTINSTsw(0x2aaee7ff, 20, t0, t1); ppMem2(mem2, 12); TESTINSTsw(0x2aaeffff, 24, t0, t1); ppMem2(mem2, 12); TESTINSTsw(0x4863700, 28, t0, t1); ppMem2(mem2, 12); TESTINSTsw(0x2aaee700, 32, t0, t1); ppMem2(mem2, 12); return 0; }