1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
|
#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;
}
|
