1#include <stdio.h>
2
3unsigned int mem[] = {
4   0x121f1e1f, 0, 3, -1,
5   0x232f2e2f, 0x242c2b2b, 0x252a2e2b, 0x262d2d2a,
6   0x3f343f3e, 0x3e353d3c, 0x363a3c3b, 0x3b373b3a,
7   0x454f4e45, 0x4e464d46, 0x474d474c, 0x4a484a4c
8};
9
10unsigned int mem1[] = {
11   0, 0, 0, 0,
12   0, 0, 0, 0,
13   0xffffffff, 0, 0, 0,
14   0, 0, 0, 0
15};
16
17unsigned int mem2[] = {
180x0000e680, 0x00010700, 0x0000e7dc, 0x0000b0d0,
190x2ab05fd0, 0x0000b6a0, 0x0000be80, 0x0000de10,
200x0000df20, 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	 : #RT, "cc", "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	 : #RT, "cc", "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, "cc", "memory" \
67	 ); \
68   printf("swl $t0, 3($t1)\nswr $t0, 0($t1)\n :: RTval: 0x%x, out: 0x%x\n", \
69          RTval, out); \
70}
71
72void ppMem(unsigned int* m, int len)
73{
74   int i;
75   printf("MEM1:\n");
76   for (i = 0; i < len; i=i+4)
77   {
78      printf("0x%x, 0x%x, 0x%x, 0x%x\n", m[i], m[i+1], m[i+2], m[i+3]);
79      m[i] = 0;
80      m[i+1] = 0;
81      m[i+2] = 0;
82      m[i+3] = 0;
83      if (i == 2)
84      {
85         m[i] = 0xffffffff;
86         m[i+1] = 0;
87         m[i+2] = 0;
88         m[i+3] = 0;
89      }
90   }
91}
92
93void ppMem1(unsigned int* m, int len)
94{
95   int i;
96   printf("MEM:\n");
97   for (i = 0; i < len; i=i+4)
98   {
99      printf("0x%x, 0x%x, 0x%x, 0x%x\n", m[i], m[i+1], m[i+2], m[i+3]);
100   }
101   m[0] = 0x121f1e1f;
102   m[1] = 0;
103   m[2] = 3;
104   m[3] = -1;
105   m[4] = 0x232f2e2f;
106   m[5] = 0x242c2b2b;
107   m[6] = 0x252a2e2b;
108   m[7] = 0x262d2d2a;
109   m[8] = 0x3f343f3e;
110   m[9] = 0x3e353d3c;
111   m[10] = 0x363a3c3b;
112   m[11] = 0x3b373b3a;
113   m[12] = 0x454f4e45;
114   m[13] = 0x4e464d46;
115   m[14] = 0x474d474c;
116   m[15] = 0x4a484a4c;
117}
118
119void ppMem0(unsigned int* m, int len)
120{
121   int i;
122   printf("MEM:\n");
123   for (i = 0; i < len; i=i+4)
124   {
125      printf("0x%x, 0x%x, 0x%x, 0x%x\n", m[i], m[i+1], m[i+2], m[i+3]);
126   }
127
128   m[0] = 0x0000e680;
129   m[1] = 0x00010700;
130   m[2] = 0x0000e7dc;
131   m[3] = 0x0000b0d0;
132   m[4] = 0x2ab05fd0;
133   m[5] = 0x0000b6a0;
134   m[6] = 0x0000be80;
135   m[7] = 0x0000de10;
136   m[8] = 0x0000df20;
137   m[9] = 0x2ab05fe0;
138   m[10] = 0x0000dfd0;
139   m[11] = 0x00010300;
140}
141
142int main()
143{
144   printf("sb\n");
145   TESTINST1("sb $t0, 3($t1)", 0, 3, t0, t1);
146   TESTINST1("sb $t0, 5($t1)", 0x31415927, 5, t0, t1);
147   TESTINST1("sb $t0, 7($t1)", 0x7fffffff, 7, t0, t1);
148   TESTINST1("sb $t0, 1($t1)", 0x80000000, 1, t0, t1);
149   TESTINST1("sb $t0, 2($t1)", 0x80000000, 2, t0, t1);
150   TESTINST1("sb $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
151   TESTINST1("sb $t0, 11($t1)", 0x7fffffff, 11, t0, t1);
152   TESTINST1("sb $t0, 8($t1)", -1, 8, t0, t1);
153   TESTINST1("sb $t0, 0($t1)", 0x31415927, 0, t0, t1);
154   TESTINST1("sb $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
155   TESTINST1("sb $t0, 0($t1)", 655, 0, t0, t1);
156   TESTINST1("sb $t0, 0($t1)", -655, 0, t0, t1);
157   TESTINST1("sb $t0, 0($t1)", 15, 0, t0, t1);
158   TESTINST1("sb $t0, 0($t1)", 1, 0, t0, t1);
159   TESTINST1("sb $t0, 0($t1)", 53, 0, t0, t1);
160   TESTINST1("sb $t0, 2($t1)", 0xffffffff, 2, t0, t1);
161   TESTINST1("sb $t0, 2($t1)", 0xffffffff, 2, t0, t1);
162   TESTINST1("sb $t0, 31($t1)", 0xffffffff, 31, t0, t1);
163   TESTINST1("sb $t0, 35($t1)", 0xffffffff, 35, t0, t1);
164   TESTINST1("sb $t0, 41($t1)", 0x31415927, 41, t0, t1);
165   TESTINST1("sb $t0, 42($t1)", 0x7fffffff, 42, t0, t1);
166   TESTINST1("sb $t0, 45($t1)", 0x80000000, 45, t0, t1);
167   TESTINST1("sb $t0, 51($t1)", 655, 51, t0, t1);
168   ppMem(mem1, 16);
169   ppMem1(mem, 16);
170
171   printf("sh\n");
172   TESTINST1("sh $t0, 1($t1)", 0, 1, t0, t1);
173   TESTINST1("sh $t0, 3($t1)", 0x31415927, 3, t0, t1);
174   TESTINST1("sh $t0, 5($t1)", 0x7fffffff, 5, t0, t1);
175   TESTINST1("sh $t0, 7($t1)", 0x80000000, 7, t0, t1);
176   TESTINST1("sh $t0, 9($t1)", 0x80000000, 9, t0, t1);
177   TESTINST1("sh $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
178   TESTINST1("sh $t0, 11($t1)", 0x7fffffff, 11, t0, t1);
179   TESTINST1("sh $t0, 8($t1)", -1, 8, t0, t1);
180   TESTINST1("sh $t0, 0($t1)", 0x31415927, 0, t0, t1);
181   TESTINST1("sh $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
182   TESTINST1("sh $t0, 0($t1)", 655, 0, t0, t1);
183   TESTINST1("sh $t0, 0($t1)", -655, 0, t0, t1);
184   TESTINST1("sh $t0, 0($t1)", 15, 0, t0, t1);
185   TESTINST1("sh $t0, 0($t1)", 1, 0, t0, t1);
186   TESTINST1("sh $t0, 0($t1)", 53, 0, t0, t1);
187   TESTINST1("sh $t0, 2($t1)", 0xffffffff, 2, t0, t1);
188   TESTINST1("sh $t0, 2($t1)", 0xffffffff, 2, t0, t1);
189   TESTINST1("sh $t0, 31($t1)", 0xffffffff, 31, t0, t1);
190   TESTINST1("sh $t0, 35($t1)", 0xffffffff, 35, t0, t1);
191   TESTINST1("sh $t0, 41($t1)", 0x31415927, 41, t0, t1);
192   TESTINST1("sh $t0, 47($t1)", 0x7fffffff, 47, t0, t1);
193   TESTINST1("sh $t0, 49($t1)", 0x80000000, 49, t0, t1);
194   TESTINST1("sh $t0, 51($t1)", 655, 51, t0, t1);
195   ppMem(mem1, 16);
196   ppMem1(mem, 16);
197
198   printf("sw\n");
199   TESTINST1("sw $t0, 1($t1)", 0, 1, t0, t1);
200   TESTINST1("sw $t0, 3($t1)", 0x31415927, 3, t0, t1);
201   TESTINST1("sw $t0, 5($t1)", 0x7fffffff, 5, t0, t1);
202   TESTINST1("sw $t0, 7($t1)", 0x80000000, 7, t0, t1);
203   TESTINST1("sw $t0, 9($t1)", 0x80000000, 9, t0, t1);
204   TESTINST1("sw $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
205   TESTINST1("sw $t0, 15($t1)", 0x7fffffff, 11, t0, t1);
206   TESTINST1("sw $t0, 8($t1)", -1, 8, t0, t1);
207   TESTINST1("sw $t0, 0($t1)", 0x31415927, 0, t0, t1);
208   TESTINST1("sw $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
209   TESTINST1("sw $t0, 0($t1)", 655, 0, t0, t1);
210   TESTINST1("sw $t0, 0($t1)", -655, 0, t0, t1);
211   TESTINST1("sw $t0, 0($t1)", 15, 0, t0, t1);
212   TESTINST1("sw $t0, 0($t1)", 1, 0, t0, t1);
213   TESTINST1("sw $t0, 0($t1)", 53, 0, t0, t1);
214   TESTINST1("sw $t0, 2($t1)", 0xffffffff, 2, t0, t1);
215   TESTINST1("sw $t0, 2($t1)", 0xffffffff, 2, t0, t1);
216   TESTINST1("sw $t0, 31($t1)", 0xffffffff, 31, t0, t1);
217   TESTINST1("sw $t0, 37($t1)", 0xffffffff, 37, t0, t1);
218   TESTINST1("sw $t0, 49($t1)", 0x31415927, 49, t0, t1);
219   TESTINST1("sw $t0, 41($t1)", 0x7fffffff, 41, t0, t1);
220   TESTINST1("sw $t0, 43($t1)", 0x80000000, 43, t0, t1);
221   TESTINST1("sw $t0, 51($t1)", 655, 51, t0, t1);
222   ppMem(mem1, 16);
223   ppMem1(mem, 16);
224
225   printf("swl\n");
226   TESTINST1("swl $t0, 1($t1)", 0, 1, t0, t1);
227   TESTINST1("swl $t0, 3($t1)", 0x31415927, 3, t0, t1);
228   TESTINST1("swl $t0, 5($t1)", 0x7fffffff, 5, t0, t1);
229   TESTINST1("swl $t0, 7($t1)", 0x80000000, 7, t0, t1);
230   TESTINST1("swl $t0, 9($t1)", 0x80000000, 9, t0, t1);
231   TESTINST1("swl $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
232   TESTINST1("swl $t0, 11($t1)", 0x7fffffff, 11, t0, t1);
233   TESTINST1("swl $t0, 8($t1)", -1, 8, t0, t1);
234   TESTINST1("swl $t0, 0($t1)", 0x31415927, 0, t0, t1);
235   TESTINST1("swl $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
236   TESTINST1("swl $t0, 0($t1)", 655, 0, t0, t1);
237   TESTINST1("swl $t0, 0($t1)", -655, 0, t0, t1);
238   TESTINST1("swl $t0, 0($t1)", 15, 0, t0, t1);
239   TESTINST1("swl $t0, 0($t1)", 1, 0, t0, t1);
240   TESTINST1("swl $t0, 0($t1)", 53, 0, t0, t1);
241   TESTINST1("swl $t0, 2($t1)", 0xffffffff, 2, t0, t1);
242   TESTINST1("swl $t0, 2($t1)", 0xffffffff, 2, t0, t1);
243   TESTINST1("swl $t0, 33($t1)", 0xffffffff, 33, t0, t1);
244   TESTINST1("swl $t0, 35($t1)", 0xffffffff, 35, t0, t1);
245   TESTINST1("swl $t0, 41($t1)", 0x31415927, 41, t0, t1);
246   TESTINST1("swl $t0, 45($t1)", 0x7fffffff, 45, t0, t1);
247   TESTINST1("swl $t0, 49($t1)", 0x80000000, 49, t0, t1);
248   TESTINST1("swl $t0, 51($t1)", 655, 51, t0, t1);
249   ppMem(mem1, 16);
250   ppMem1(mem, 16);
251
252   printf("swr\n");
253   TESTINST1("swr $t0, 1($t1)", 0, 1, t0, t1);
254   TESTINST1("swr $t0, 3($t1)", 0x31415927, 3, t0, t1);
255   TESTINST1("swr $t0, 5($t1)", 0x7fffffff, 5, t0, t1);
256   TESTINST1("swr $t0, 7($t1)", 0x80000000, 7, t0, t1);
257   TESTINST1("swr $t0, 9($t1)", 0x80000000, 9, t0, t1);
258   TESTINST1("swr $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
259   TESTINST1("swr $t0, 11($t1)", 0x7fffffff, 11, t0, t1);
260   TESTINST1("swr $t0, 8($t1)", -1, 8, t0, t1);
261   TESTINST1("swr $t0, 0($t1)", 0x31415927, 0, t0, t1);
262   TESTINST1("swr $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
263   TESTINST1("swr $t0, 0($t1)", 655, 0, t0, t1);
264   TESTINST1("swr $t0, 0($t1)", -655, 0, t0, t1);
265   TESTINST1("swr $t0, 0($t1)", 15, 0, t0, t1);
266   TESTINST1("swr $t0, 0($t1)", 1, 0, t0, t1);
267   TESTINST1("swr $t0, 0($t1)", 53, 0, t0, t1);
268   TESTINST1("swr $t0, 2($t1)", 0xffffffff, 2, t0, t1);
269   TESTINST1("swr $t0, 2($t1)", 0xffffffff, 2, t0, t1);
270   TESTINST1("swr $t0, 31($t1)", 0xffffffff, 31, t0, t1);
271   TESTINST1("swr $t0, 33($t1)", 0xffffffff, 33, t0, t1);
272   TESTINST1("swr $t0, 45($t1)", 0x31415927, 45, t0, t1);
273   TESTINST1("swr $t0, 47($t1)", 0x7fffffff, 47, t0, t1);
274   TESTINST1("swr $t0, 49($t1)", 0x80000000, 49, t0, t1);
275   TESTINST1("swr $t0, 51($t1)", 655, 51, t0, t1);
276   ppMem(mem1, 16);
277   ppMem1(mem, 16);
278
279   printf("ulw\n");
280   TESTINST1("ulw $t0, 0($t1)", 0, 0, t0, t1);
281   TESTINST1("ulw $t0, 0($t1)", 0x31415927, 0, t0, t1);
282   TESTINST1("ulw $t0, 0($t1)", 0x7fffffff, 0, t0, t1);
283   TESTINST1("ulw $t0, 0($t1)", 0x80000000, 0, t0, t1);
284   TESTINST1("ulw $t0, 2($t1)", 0x80000000, 2, t0, t1);
285   TESTINST1("ulw $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
286   TESTINST1("ulw $t0, 10($t1)", 0x7fffffff, 10, t0, t1);
287   TESTINST1("ulw $t0, 8($t1)", -1, 8, t0, t1);
288   TESTINST1("ulw $t0, 0($t1)", 0x31415927, 0, t0, t1);
289   TESTINST1("ulw $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
290   TESTINST1("ulw $t0, 0($t1)", 655, 0, t0, t1);
291   TESTINST1("ulw $t0, 0($t1)", -655, 0, t0, t1);
292   TESTINST1("ulw $t0, 0($t1)", 15, 0, t0, t1);
293   TESTINST1("ulw $t0, 0($t1)", 1, 0, t0, t1);
294   TESTINST1("ulw $t0, 0($t1)", 53, 0, t0, t1);
295   TESTINST1("ulw $t0, 2($t1)", 0xffffffff, 2, t0, t1);
296   TESTINST1("ulw $t0, 2($t1)", 0xffffffff, 2, t0, t1);
297   TESTINST1("ulw $t0, 32($t1)", 0xffffffff, 32, t0, t1);
298   TESTINST1("ulw $t0, 36($t1)", 0xffffffff, 36, t0, t1);
299   TESTINST1("ulw $t0, 40($t1)", 0x31415927, 40, t0, t1);
300   TESTINST1("ulw $t0, 44($t1)", 0x7fffffff, 44, t0, t1);
301   TESTINST1("ulw $t0, 48($t1)", 0x80000000, 48, t0, t1);
302   TESTINST1("ulw $t0, 52($t1)", 655, 52, t0, t1);
303   ppMem(mem1, 16);
304   ppMem1(mem, 16);
305
306   printf("usw\n");
307   TESTINST1("usw $t0, 0($t1)", 0, 0, t0, t1);
308   TESTINST1("usw $t0, 0($t1)", 0x31415927, 0, t0, t1);
309   TESTINST1("usw $t0, 0($t1)", 0x7fffffff, 0, t0, t1);
310   TESTINST1("usw $t0, 0($t1)", 0x80000000, 0, t0, t1);
311   TESTINST1("usw $t0, 2($t1)", 0x80000000, 2, t0, t1);
312   TESTINST1("usw $t0, 6($t1)", 0x7fffffff, 6, t0, t1);
313   TESTINST1("usw $t0, 10($t1)", 0x7fffffff, 10, t0, t1);
314   TESTINST1("usw $t0, 8($t1)", -1, 8, t0, t1);
315   TESTINST1("usw $t0, 0($t1)", 0x31415927, 0, t0, t1);
316   TESTINST1("usw $t0, 0($t1)", 0x0dd00000, 0, t0, t1);
317   TESTINST1("usw $t0, 0($t1)", 655, 0, t0, t1);
318   TESTINST1("usw $t0, 0($t1)", -655, 0, t0, t1);
319   TESTINST1("usw $t0, 0($t1)", 15, 0, t0, t1);
320   TESTINST1("usw $t0, 0($t1)", 1, 0, t0, t1);
321   TESTINST1("usw $t0, 0($t1)", 53, 0, t0, t1);
322   TESTINST1("usw $t0, 2($t1)", 0xffffffff, 2, t0, t1);
323   TESTINST1("usw $t0, 2($t1)", 0xffffffff, 2, t0, t1);
324   TESTINST1("usw $t0, 32($t1)", 0xffffffff, 32, t0, t1);
325   TESTINST1("usw $t0, 36($t1)", 0xffffffff, 36, t0, t1);
326   TESTINST1("usw $t0, 40($t1)", 0x31415927, 40, t0, t1);
327   TESTINST1("usw $t0, 44($t1)", 0x7fffffff, 44, t0, t1);
328   TESTINST1("usw $t0, 48($t1)", 0x80000000, 48, t0, t1);
329   TESTINST1("usw $t0, 52($t1)", 655, 52, t0, t1);
330   ppMem(mem1, 16);
331   ppMem1(mem, 16);
332
333   printf("swl $t0, 3($t0)\nswr $t0, 0($t0)\n");
334   TESTINSTsw(0x4853000, 0, t0, t1);
335   ppMem0(mem2, 12);
336   TESTINSTsw(0x4853000, 4, t0, t1);
337   ppMem0(mem2, 12);
338   TESTINSTsw(0x4863700, 8, t0, t1);
339   ppMem0(mem2, 12);
340   TESTINSTsw(0x48aedd0, 12, t0, t1);
341   ppMem0(mem2, 12);
342   TESTINSTsw(0x2aaee700, 16, t0, t1);
343   ppMem0(mem2, 12);
344   TESTINSTsw(0x2aaee7ff, 20, t0, t1);
345   ppMem0(mem2, 12);
346   TESTINSTsw(0x2aaeffff, 24, t0, t1);
347   ppMem0(mem2, 12);
348   TESTINSTsw(0x4863700, 28, t0, t1);
349   ppMem0(mem2, 12);
350   TESTINSTsw(0x2aaee700, 32, t0, t1);
351   ppMem0(mem2, 12);
352   return 0;
353}
354
355