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
ppMem(unsigned int * m,int len)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
ppMem1(unsigned int * m,int len)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
ppMem2(unsigned int * m,int len)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
main()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