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 // sb $t0, 0($t1)
24 #define TESTINST1(instruction, RTval, offset, RT, RS) \
25 { \
26 unsigned int out; \
27 __asm__ volatile( \
28 "move $" #RS", %1 \n\t" \
29 "li $" #RT", " #RTval" \n\t" \
30 instruction " \n\t" \
31 "lw %0, "#offset"($"#RS") \n\t" \
32 : "=&r" (out) \
33 : "r" (mem1), "r" (RTval) \
34 : #RS, #RT, "memory" \
35 ); \
36 printf("%s :: RTval: 0x%x, out: 0x%x\n", \
37 instruction, RTval, out); \
38 out = 0; \
39 __asm__ volatile( \
40 "move $" #RS", %1 \n\t" \
41 "li $" #RT", " #RTval " \n\t" \
42 instruction " \n\t" \
43 "lw %0, "#offset"($"#RS") \n\t" \
44 : "=&r" (out) \
45 : "r" (mem), "r" (RTval) \
46 : #RS, #RT, "memory" \
47 ); \
48 printf("%s :: RTval: 0x%x, out: 0x%x\n", \
49 instruction, RTval, out); \
50 }
51
52 // swl $t0, 3($t1)
53 // swr $t0, 0($t1)
54 #define TESTINSTsw(RTval, offset, RT, RS) \
55 { \
56 unsigned int out; \
57 __asm__ volatile( \
58 "move $" #RS", %1\n\t" \
59 "addiu $"#RS", $"#RS", "#offset" \n\t" \
60 "li $" #RT", " #RTval" \n\t" \
61 "swl $t0, 3($t1) \n\t" \
62 "swr $t0, 0($t1) \n\t" \
63 "lw %0, 0($"#RS") \n\t" \
64 : "=&r" (out) \
65 : "r" (mem2), "r" (RTval) \
66 : #RT, #RS, "memory" \
67 ); \
68 printf("swl $t0, 3($t1)\nswr $t0, 0($t1)\n" \
69 " :: RTval: 0x%x, out: 0x%x\n", \
70 RTval, out); \
71 }
72
ppMem(unsigned int * m,int len)73 void ppMem(unsigned int* m, int len)
74 {
75 int i;
76 printf("MEM1:\n");
77 for (i = 0; i < len; i=i+4)
78 {
79 printf("0x%x, 0x%x, 0x%x, 0x%x\n", m[i], m[i+1], m[i+2], m[i+3]);
80 m[i] = 0;
81 m[i+1] = 0;
82 m[i+2] = 0;
83 m[i+3] = 0;
84 if (i == 2)
85 {
86 m[i] = 0xffffffff;
87 m[i+1] = 0;
88 m[i+2] = 0;
89 m[i+3] = 0;
90 }
91 }
92 }
93
ppMem1(unsigned int * m,int len)94 void ppMem1(unsigned int* m, int len)
95 {
96 int i;
97 printf("MEM:\n");
98 for (i = 0; i < len; i=i+4)
99 {
100 printf("0x%x, 0x%x, 0x%x, 0x%x\n", m[i], m[i+1], m[i+2], m[i+3]);
101 }
102 m[0] = 0x121f1e1f;
103 m[1] = 0;
104 m[2] = 3;
105 m[3] = -1;
106 m[4] = 0x232f2e2f;
107 m[5] = 0x242c2b2b;
108 m[6] = 0x252a2e2b;
109 m[7] = 0x262d2d2a;
110 m[8] = 0x3f343f3e;
111 m[9] = 0x3e353d3c;
112 m[10] = 0x363a3c3b;
113 m[11] = 0x3b373b3a;
114 m[12] = 0x454f4e45;
115 m[13] = 0x4e464d46;
116 m[14] = 0x474d474c;
117 m[15] = 0x4a484a4c;
118 }
119
ppMem0(unsigned int * m,int len)120 void ppMem0(unsigned int* m, int len)
121 {
122 int i;
123 printf("MEM:\n");
124 for (i = 0; i < len; i=i+4)
125 {
126 printf("0x%x, 0x%x, 0x%x, 0x%x\n", m[i], m[i+1], m[i+2], m[i+3]);
127 }
128
129 m[0] = 0x0000e680;
130 m[1] = 0x00010700;
131 m[2] = 0x0000e7dc;
132 m[3] = 0x0000b0d0;
133 m[4] = 0x2ab05fd0;
134 m[5] = 0x0000b6a0;
135 m[6] = 0x0000be80;
136 m[7] = 0x0000de10;
137 m[8] = 0x0000df20;
138 m[9] = 0x2ab05fe0;
139 m[10] = 0x0000dfd0;
140 m[11] = 0x00010300;
141 }
142
main()143 int main()
144 {
145 printf("sb\n");
146 TESTINST1("sb $t0, 0($t1)", 0, 0, t0, t1);
147 TESTINST1("sb $t0, 0($t1)", 0x31415927, 0, t0, t1);
148 TESTINST1("sb $t0, 0($t1)", 0x7fffffff, 0, t0, t1);
149 TESTINST1("sb $t0, 0($t1)", 0x80000000, 0, t0, t1);
150 TESTINST1("sb $t0, 2($t1)", 0x80000000, 2, t0, t1);
151 TESTINST1("sb $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
152 TESTINST1("sb $t0, 10($t1)", 0x7fffffff, 10, t0, t1);
153 TESTINST1("sb $t0, 8($t1)", -1, 8, t0, t1);
154 TESTINST1("sb $t0, 0($t1)", 0x31415927, 0, t0, t1);
155 TESTINST1("sb $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
156 TESTINST1("sb $t0, 0($t1)", 655, 0, t0, t1);
157 TESTINST1("sb $t0, 0($t1)", -655, 0, t0, t1);
158 TESTINST1("sb $t0, 0($t1)", 15, 0, t0, t1);
159 TESTINST1("sb $t0, 0($t1)", 1, 0, t0, t1);
160 TESTINST1("sb $t0, 0($t1)", 53, 0, t0, t1);
161 TESTINST1("sb $t0, 2($t1)", 0xffffffff, 2, t0, t1);
162 TESTINST1("sb $t0, 2($t1)", 0xffffffff, 2, t0, t1);
163 TESTINST1("sb $t0, 32($t1)", 0xffffffff, 32, t0, t1);
164 TESTINST1("sb $t0, 36($t1)", 0xffffffff, 36, t0, t1);
165 TESTINST1("sb $t0, 40($t1)", 0x31415927, 40, t0, t1);
166 TESTINST1("sb $t0, 44($t1)", 0x7fffffff, 44, t0, t1);
167 TESTINST1("sb $t0, 48($t1)", 0x80000000, 48, t0, t1);
168 TESTINST1("sb $t0, 52($t1)", 655, 52, t0, t1);
169 ppMem(mem1, 16);
170 ppMem1(mem, 16);
171
172 printf("sh\n");
173 TESTINST1("sh $t0, 0($t1)", 0, 0, t0, t1);
174 TESTINST1("sh $t0, 0($t1)", 0x31415927, 0, t0, t1);
175 TESTINST1("sh $t0, 0($t1)", 0x7fffffff, 0, t0, t1);
176 TESTINST1("sh $t0, 0($t1)", 0x80000000, 0, t0, t1);
177 TESTINST1("sh $t0, 2($t1)", 0x80000000, 2, t0, t1);
178 TESTINST1("sh $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
179 TESTINST1("sh $t0, 10($t1)", 0x7fffffff, 10, t0, t1);
180 TESTINST1("sh $t0, 8($t1)", -1, 8, t0, t1);
181 TESTINST1("sh $t0, 0($t1)", 0x31415927, 0, t0, t1);
182 TESTINST1("sh $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
183 TESTINST1("sh $t0, 0($t1)", 655, 0, t0, t1);
184 TESTINST1("sh $t0, 0($t1)", -655, 0, t0, t1);
185 TESTINST1("sh $t0, 0($t1)", 15, 0, t0, t1);
186 TESTINST1("sh $t0, 0($t1)", 1, 0, t0, t1);
187 TESTINST1("sh $t0, 0($t1)", 53, 0, t0, t1);
188 TESTINST1("sh $t0, 2($t1)", 0xffffffff, 2, t0, t1);
189 TESTINST1("sh $t0, 2($t1)", 0xffffffff, 2, t0, t1);
190 TESTINST1("sh $t0, 32($t1)", 0xffffffff, 32, t0, t1);
191 TESTINST1("sh $t0, 36($t1)", 0xffffffff, 36, t0, t1);
192 TESTINST1("sh $t0, 40($t1)", 0x31415927, 40, t0, t1);
193 TESTINST1("sh $t0, 44($t1)", 0x7fffffff, 44, t0, t1);
194 TESTINST1("sh $t0, 48($t1)", 0x80000000, 48, t0, t1);
195 TESTINST1("sh $t0, 52($t1)", 655, 52, t0, t1);
196 ppMem(mem1, 16);
197 ppMem1(mem, 16);
198
199 printf("sw\n");
200 TESTINST1("sw $t0, 0($t1)", 0, 0, t0, t1);
201 TESTINST1("sw $t0, 0($t1)", 0x31415927, 0, t0, t1);
202 TESTINST1("sw $t0, 0($t1)", 0x7fffffff, 0, t0, t1);
203 TESTINST1("sw $t0, 0($t1)", 0x80000000, 0, t0, t1);
204 TESTINST1("sw $t0, 2($t1)", 0x80000000, 2, t0, t1);
205 TESTINST1("sw $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
206 TESTINST1("sw $t0, 10($t1)", 0x7fffffff, 10, t0, t1);
207 TESTINST1("sw $t0, 8($t1)", -1, 8, t0, t1);
208 TESTINST1("sw $t0, 0($t1)", 0x31415927, 0, t0, t1);
209 TESTINST1("sw $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
210 TESTINST1("sw $t0, 0($t1)", 655, 0, t0, t1);
211 TESTINST1("sw $t0, 0($t1)", -655, 0, t0, t1);
212 TESTINST1("sw $t0, 0($t1)", 15, 0, t0, t1);
213 TESTINST1("sw $t0, 0($t1)", 1, 0, t0, t1);
214 TESTINST1("sw $t0, 0($t1)", 53, 0, t0, t1);
215 TESTINST1("sw $t0, 2($t1)", 0xffffffff, 2, t0, t1);
216 TESTINST1("sw $t0, 2($t1)", 0xffffffff, 2, t0, t1);
217 TESTINST1("sw $t0, 32($t1)", 0xffffffff, 32, t0, t1);
218 TESTINST1("sw $t0, 36($t1)", 0xffffffff, 36, t0, t1);
219 TESTINST1("sw $t0, 40($t1)", 0x31415927, 40, t0, t1);
220 TESTINST1("sw $t0, 44($t1)", 0x7fffffff, 44, t0, t1);
221 TESTINST1("sw $t0, 48($t1)", 0x80000000, 48, t0, t1);
222 TESTINST1("sw $t0, 52($t1)", 655, 52, t0, t1);
223 ppMem(mem1, 16);
224 ppMem1(mem, 16);
225
226 printf("swl\n");
227 TESTINST1("swl $t0, 0($t1)", 0, 0, t0, t1);
228 TESTINST1("swl $t0, 0($t1)", 0x31415927, 0, t0, t1);
229 TESTINST1("swl $t0, 0($t1)", 0x7fffffff, 0, t0, t1);
230 TESTINST1("swl $t0, 0($t1)", 0x80000000, 0, t0, t1);
231 TESTINST1("swl $t0, 2($t1)", 0x80000000, 2, t0, t1);
232 TESTINST1("swl $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
233 TESTINST1("swl $t0, 10($t1)", 0x7fffffff, 10, t0, t1);
234 TESTINST1("swl $t0, 8($t1)", -1, 8, t0, t1);
235 TESTINST1("swl $t0, 0($t1)", 0x31415927, 0, t0, t1);
236 TESTINST1("swl $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
237 TESTINST1("swl $t0, 0($t1)", 655, 0, t0, t1);
238 TESTINST1("swl $t0, 0($t1)", -655, 0, t0, t1);
239 TESTINST1("swl $t0, 0($t1)", 15, 0, t0, t1);
240 TESTINST1("swl $t0, 0($t1)", 1, 0, t0, t1);
241 TESTINST1("swl $t0, 0($t1)", 53, 0, t0, t1);
242 TESTINST1("swl $t0, 2($t1)", 0xffffffff, 2, t0, t1);
243 TESTINST1("swl $t0, 2($t1)", 0xffffffff, 2, t0, t1);
244 TESTINST1("swl $t0, 32($t1)", 0xffffffff, 32, t0, t1);
245 TESTINST1("swl $t0, 36($t1)", 0xffffffff, 36, t0, t1);
246 TESTINST1("swl $t0, 40($t1)", 0x31415927, 40, t0, t1);
247 TESTINST1("swl $t0, 44($t1)", 0x7fffffff, 44, t0, t1);
248 TESTINST1("swl $t0, 48($t1)", 0x80000000, 48, t0, t1);
249 TESTINST1("swl $t0, 52($t1)", 655, 52, t0, t1);
250 ppMem(mem1, 16);
251 ppMem1(mem, 16);
252
253 printf("swr\n");
254 TESTINST1("swr $t0, 0($t1)", 0, 0, t0, t1);
255 TESTINST1("swr $t0, 0($t1)", 0x31415927, 0, t0, t1);
256 TESTINST1("swr $t0, 0($t1)", 0x7fffffff, 0, t0, t1);
257 TESTINST1("swr $t0, 0($t1)", 0x80000000, 0, t0, t1);
258 TESTINST1("swr $t0, 2($t1)", 0x80000000, 2, t0, t1);
259 TESTINST1("swr $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
260 TESTINST1("swr $t0, 10($t1)", 0x7fffffff, 10, t0, t1);
261 TESTINST1("swr $t0, 8($t1)", -1, 8, t0, t1);
262 TESTINST1("swr $t0, 0($t1)", 0x31415927, 0, t0, t1);
263 TESTINST1("swr $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
264 TESTINST1("swr $t0, 0($t1)", 655, 0, t0, t1);
265 TESTINST1("swr $t0, 0($t1)", -655, 0, t0, t1);
266 TESTINST1("swr $t0, 0($t1)", 15, 0, t0, t1);
267 TESTINST1("swr $t0, 0($t1)", 1, 0, t0, t1);
268 TESTINST1("swr $t0, 0($t1)", 53, 0, t0, t1);
269 TESTINST1("swr $t0, 2($t1)", 0xffffffff, 2, t0, t1);
270 TESTINST1("swr $t0, 2($t1)", 0xffffffff, 2, t0, t1);
271 TESTINST1("swr $t0, 32($t1)", 0xffffffff, 32, t0, t1);
272 TESTINST1("swr $t0, 36($t1)", 0xffffffff, 36, t0, t1);
273 TESTINST1("swr $t0, 40($t1)", 0x31415927, 40, t0, t1);
274 TESTINST1("swr $t0, 44($t1)", 0x7fffffff, 44, t0, t1);
275 TESTINST1("swr $t0, 48($t1)", 0x80000000, 48, t0, t1);
276 TESTINST1("swr $t0, 52($t1)", 655, 52, t0, t1);
277 ppMem(mem1, 16);
278 ppMem1(mem, 16);
279
280 printf("ulw\n");
281 TESTINST1("ulw $t0, 0($t1)", 0, 0, t0, t1);
282 TESTINST1("ulw $t0, 0($t1)", 0x31415927, 0, t0, t1);
283 TESTINST1("ulw $t0, 0($t1)", 0x7fffffff, 0, t0, t1);
284 TESTINST1("ulw $t0, 0($t1)", 0x80000000, 0, t0, t1);
285 TESTINST1("ulw $t0, 2($t1)", 0x80000000, 2, t0, t1);
286 TESTINST1("ulw $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
287 TESTINST1("ulw $t0, 10($t1)", 0x7fffffff, 10, t0, t1);
288 TESTINST1("ulw $t0, 8($t1)", -1, 8, t0, t1);
289 TESTINST1("ulw $t0, 0($t1)", 0x31415927, 0, t0, t1);
290 TESTINST1("ulw $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
291 TESTINST1("ulw $t0, 0($t1)", 655, 0, t0, t1);
292 TESTINST1("ulw $t0, 0($t1)", -655, 0, t0, t1);
293 TESTINST1("ulw $t0, 0($t1)", 15, 0, t0, t1);
294 TESTINST1("ulw $t0, 0($t1)", 1, 0, t0, t1);
295 TESTINST1("ulw $t0, 0($t1)", 53, 0, t0, t1);
296 TESTINST1("ulw $t0, 2($t1)", 0xffffffff, 2, t0, t1);
297 TESTINST1("ulw $t0, 2($t1)", 0xffffffff, 2, t0, t1);
298 TESTINST1("ulw $t0, 32($t1)", 0xffffffff, 32, t0, t1);
299 TESTINST1("ulw $t0, 36($t1)", 0xffffffff, 36, t0, t1);
300 TESTINST1("ulw $t0, 40($t1)", 0x31415927, 40, t0, t1);
301 TESTINST1("ulw $t0, 44($t1)", 0x7fffffff, 44, t0, t1);
302 TESTINST1("ulw $t0, 48($t1)", 0x80000000, 48, t0, t1);
303 TESTINST1("ulw $t0, 52($t1)", 655, 52, t0, t1);
304 ppMem(mem1, 16);
305 ppMem1(mem, 16);
306
307 printf("usw\n");
308 TESTINST1("usw $t0, 0($t1)", 0, 0, t0, t1);
309 TESTINST1("usw $t0, 0($t1)", 0x31415927, 0, t0, t1);
310 TESTINST1("usw $t0, 0($t1)", 0x7fffffff, 0, t0, t1);
311 TESTINST1("usw $t0, 0($t1)", 0x80000000, 0, t0, t1);
312 TESTINST1("usw $t0, 2($t1)", 0x80000000, 2, t0, t1);
313 TESTINST1("usw $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
314 TESTINST1("usw $t0, 10($t1)", 0x7fffffff, 10, t0, t1);
315 TESTINST1("usw $t0, 8($t1)", -1, 8, t0, t1);
316 TESTINST1("usw $t0, 0($t1)", 0x31415927, 0, t0, t1);
317 TESTINST1("usw $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
318 TESTINST1("usw $t0, 0($t1)", 655, 0, t0, t1);
319 TESTINST1("usw $t0, 0($t1)", -655, 0, t0, t1);
320 TESTINST1("usw $t0, 0($t1)", 15, 0, t0, t1);
321 TESTINST1("usw $t0, 0($t1)", 1, 0, t0, t1);
322 TESTINST1("usw $t0, 0($t1)", 53, 0, t0, t1);
323 TESTINST1("usw $t0, 2($t1)", 0xffffffff, 2, t0, t1);
324 TESTINST1("usw $t0, 2($t1)", 0xffffffff, 2, t0, t1);
325 TESTINST1("usw $t0, 32($t1)", 0xffffffff, 32, t0, t1);
326 TESTINST1("usw $t0, 36($t1)", 0xffffffff, 36, t0, t1);
327 TESTINST1("usw $t0, 40($t1)", 0x31415927, 40, t0, t1);
328 TESTINST1("usw $t0, 44($t1)", 0x7fffffff, 44, t0, t1);
329 TESTINST1("usw $t0, 48($t1)", 0x80000000, 48, t0, t1);
330 TESTINST1("usw $t0, 52($t1)", 655, 52, t0, t1);
331 ppMem(mem1, 16);
332 ppMem1(mem, 16);
333
334 printf("swl $t0, 3($t0)\nswr $t0, 0($t0)\n");
335 TESTINSTsw(0x4853000, 0, t0, t1);
336 ppMem0(mem2, 12);
337 TESTINSTsw(0x4853000, 4, t0, t1);
338 ppMem0(mem2, 12);
339 TESTINSTsw(0x4863700, 8, t0, t1);
340 ppMem0(mem2, 12);
341 TESTINSTsw(0x48aedd0, 12, t0, t1);
342 ppMem0(mem2, 12);
343 TESTINSTsw(0x2aaee700, 16, t0, t1);
344 ppMem0(mem2, 12);
345 TESTINSTsw(0x2aaee7ff, 20, t0, t1);
346 ppMem0(mem2, 12);
347 TESTINSTsw(0x2aaeffff, 24, t0, t1);
348 ppMem0(mem2, 12);
349 TESTINSTsw(0x4863700, 28, t0, t1);
350 ppMem0(mem2, 12);
351 TESTINSTsw(0x2aaee700, 32, t0, t1);
352 ppMem0(mem2, 12);
353 return 0;
354 }
355