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702d582e PG |
1 | /* Tests the load and store instructions. |
2 | ||
b811d2c2 | 3 | Copyright (C) 2017-2020 Free Software Foundation, Inc. |
702d582e PG |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | # mach: or1k | |
19 | # output: report(0xdeadbeef);\n | |
20 | # output: report(0x00000000);\n | |
21 | # output: report(0x7fffffff);\n | |
22 | # output: report(0x80000000);\n | |
23 | # output: report(0xffffffff);\n | |
24 | # output: report(0x00000000);\n | |
25 | # output: report(0x7fffffff);\n | |
26 | # output: report(0x80000000);\n | |
27 | # output: report(0xffffffff);\n | |
28 | # output: report(0xdeadbeef);\n | |
29 | # output: report(0x00000000);\n | |
30 | # output: report(0x7fffffff);\n | |
31 | # output: report(0x80000000);\n | |
32 | # output: report(0xdeadbeef);\n | |
33 | # output: report(0x00000000);\n | |
34 | # output: report(0x7fffffff);\n | |
35 | # output: report(0x80000000);\n | |
36 | # output: report(0xffffffff);\n | |
37 | # output: report(0x00000000);\n | |
38 | # output: report(0x7fffffff);\n | |
39 | # output: report(0x80000000);\n | |
40 | # output: report(0xffffffff);\n | |
41 | # output: report(0xdeadbeef);\n | |
42 | # output: report(0x00000000);\n | |
43 | # output: report(0x7fffffff);\n | |
44 | # output: report(0x80000000);\n | |
45 | # output: report(0x000000de);\n | |
46 | # output: report(0x000000ad);\n | |
47 | # output: report(0x000000be);\n | |
48 | # output: report(0x000000ef);\n | |
49 | # output: report(0x000000ef);\n | |
50 | # output: report(0x000000be);\n | |
51 | # output: report(0x000000ad);\n | |
52 | # output: report(0x000000de);\n | |
53 | # output: report(0xffffffde);\n | |
54 | # output: report(0xffffffad);\n | |
55 | # output: report(0xffffffbe);\n | |
56 | # output: report(0xffffffef);\n | |
57 | # output: report(0xffffffef);\n | |
58 | # output: report(0xffffffbe);\n | |
59 | # output: report(0xffffffad);\n | |
60 | # output: report(0xffffffde);\n | |
61 | # output: report(0x0000dead);\n | |
62 | # output: report(0x0000beef);\n | |
63 | # output: report(0x0000beef);\n | |
64 | # output: report(0x0000dead);\n | |
65 | # output: report(0xffffdead);\n | |
66 | # output: report(0xffffbeef);\n | |
67 | # output: report(0xffffbeef);\n | |
68 | # output: report(0xffffdead);\n | |
69 | # output: report(0xa1a2a3a4);\n | |
70 | # output: report(0xb4b3b2b1);\n | |
71 | # output: report(0x81828384);\n | |
72 | # output: report(0x53545152);\n | |
73 | # output: report(0xa0b0c0d0);\n | |
74 | # output: report(0xa1b1c1d1);\n | |
75 | # output: report(0xa3b3c3d3);\n | |
76 | # output: report(0xa2b2c2d2);\n | |
77 | # output: exit(0)\n | |
78 | ||
79 | #include "or1k-asm-test-helpers.h" | |
80 | ||
81 | .macro TEST_LW opcode, label, offset | |
82 | LOAD_IMMEDIATE r5, \label | |
83 | \opcode r4, \offset(r5) | |
84 | REPORT_REG_TO_CONSOLE r4 | |
85 | .endm | |
86 | ||
87 | STANDARD_TEST_ENVIRONMENT | |
88 | ||
89 | .section .rodata | |
90 | .balign 4 | |
91 | ||
92 | 50: .word 0xdeadbeef | |
93 | 51: .word 0x00000000 | |
94 | 52: .word 0x7fffffff | |
95 | 53: .word 0x80000000 | |
96 | 54: .word 0xffffffff | |
97 | ||
98 | .section .data | |
99 | .balign 4 | |
100 | ||
101 | buffer1: .word 0x00000000 | |
102 | buffer2: .word 0x00000000 | |
103 | buffer3: .word 0x00000000 | |
104 | buffer4: .word 0x00000000 | |
105 | buffer5: | |
106 | ||
107 | .section .text | |
108 | start_tests: | |
109 | PUSH LINK_REGISTER_R9 | |
110 | ||
111 | /* Test instruction l.lws */ | |
112 | ||
113 | /* Load with zero offset. */ | |
114 | TEST_LW l.lws 50b, 0 | |
115 | TEST_LW l.lws 51b, 0 | |
116 | TEST_LW l.lws 52b, 0 | |
117 | TEST_LW l.lws 53b, 0 | |
118 | TEST_LW l.lws 54b, 0 | |
119 | ||
120 | /* Load with positive offset. */ | |
121 | TEST_LW l.lws 50b, 4 | |
122 | TEST_LW l.lws 50b, 8 | |
123 | TEST_LW l.lws 50b, 12 | |
124 | TEST_LW l.lws 50b, 16 | |
125 | ||
126 | /* Load with negative offset. */ | |
127 | TEST_LW l.lws 54b, -16 | |
128 | TEST_LW l.lws 54b, -12 | |
129 | TEST_LW l.lws 54b, -8 | |
130 | TEST_LW l.lws 54b, -4 | |
131 | ||
132 | /* TODO: add here test cases to cover unaligned memory accesses | |
133 | with l.lws. */ | |
134 | ||
135 | /* Test instruction l.lwz */ | |
136 | ||
137 | /* Load with zero offset. */ | |
138 | TEST_LW l.lwz 50b, 0 | |
139 | TEST_LW l.lwz 51b, 0 | |
140 | TEST_LW l.lwz 52b, 0 | |
141 | TEST_LW l.lwz 53b, 0 | |
142 | TEST_LW l.lwz 54b, 0 | |
143 | ||
144 | /* Load with positive offset. */ | |
145 | TEST_LW l.lwz 50b, 4 | |
146 | TEST_LW l.lwz 50b, 8 | |
147 | TEST_LW l.lwz 50b, 12 | |
148 | TEST_LW l.lwz 50b, 16 | |
149 | ||
150 | /* Load with negative offset. */ | |
151 | TEST_LW l.lwz 54b, -16 | |
152 | TEST_LW l.lwz 54b, -12 | |
153 | TEST_LW l.lwz 54b, -8 | |
154 | TEST_LW l.lwz 54b, -4 | |
155 | ||
156 | /* TODO: add here test cases to cover unaligned memory accesses | |
157 | with l.lwz. */ | |
158 | ||
159 | /* Test instruction l.lbz */ | |
160 | ||
161 | /* Read data at label 50, forwards, byte by byte. */ | |
162 | LOAD_IMMEDIATE r5, 50b | |
163 | ||
164 | l.lbz r4, 0(r5) | |
165 | REPORT_REG_TO_CONSOLE r4 | |
166 | ||
167 | l.lbz r4, 1(r5) | |
168 | REPORT_REG_TO_CONSOLE r4 | |
169 | ||
170 | l.lbz r4, 2(r5) | |
171 | REPORT_REG_TO_CONSOLE r4 | |
172 | ||
173 | l.lbz r4, 3(r5) | |
174 | REPORT_REG_TO_CONSOLE r4 | |
175 | ||
176 | /* Read data at label 50, backwards, byte by byte. */ | |
177 | LOAD_IMMEDIATE r31, 51b | |
178 | ||
179 | l.lbz r3, -1(r31) | |
180 | REPORT_REG_TO_CONSOLE r3 | |
181 | ||
182 | l.lbz r3, -2(r31) | |
183 | REPORT_REG_TO_CONSOLE r3 | |
184 | ||
185 | l.lbz r3, -3(r31) | |
186 | REPORT_REG_TO_CONSOLE r3 | |
187 | ||
188 | l.lbz r3, -4(r31) | |
189 | REPORT_REG_TO_CONSOLE r3 | |
190 | ||
191 | /* Test instruction l.lbs */ | |
192 | ||
193 | /* Read data at label 50, forwards, byte by byte. */ | |
194 | LOAD_IMMEDIATE r5, 50b | |
195 | ||
196 | l.lbs r4, 0(r5) | |
197 | REPORT_REG_TO_CONSOLE r4 | |
198 | ||
199 | l.lbs r4, 1(r5) | |
200 | REPORT_REG_TO_CONSOLE r4 | |
201 | ||
202 | l.lbs r4, 2(r5) | |
203 | REPORT_REG_TO_CONSOLE r4 | |
204 | ||
205 | l.lbs r4, 3(r5) | |
206 | REPORT_REG_TO_CONSOLE r4 | |
207 | ||
208 | /* Read data at label 50, backwards, byte by byte. */ | |
209 | LOAD_IMMEDIATE r31, 51b | |
210 | ||
211 | l.lbs r3, -1(r31) | |
212 | REPORT_REG_TO_CONSOLE r3 | |
213 | ||
214 | l.lbs r3, -2(r31) | |
215 | REPORT_REG_TO_CONSOLE r3 | |
216 | ||
217 | l.lbs r3, -3(r31) | |
218 | REPORT_REG_TO_CONSOLE r3 | |
219 | ||
220 | l.lbs r3, -4(r31) | |
221 | REPORT_REG_TO_CONSOLE r3 | |
222 | ||
223 | /* Test instruction l.lhz */ | |
224 | ||
225 | /* Read data at label 50, forwards, half-word by half-word. */ | |
226 | LOAD_IMMEDIATE r5, 50b | |
227 | ||
228 | l.lhz r4, 0(r5) | |
229 | REPORT_REG_TO_CONSOLE r4 | |
230 | ||
231 | l.lhz r4, 2(r5) | |
232 | REPORT_REG_TO_CONSOLE r4 | |
233 | ||
234 | /* Read data at label 50, backwards, half-word by half-word. */ | |
235 | LOAD_IMMEDIATE r31, 51b | |
236 | ||
237 | l.lhz r3, -2(r31) | |
238 | REPORT_REG_TO_CONSOLE r3 | |
239 | ||
240 | l.lhz r3, -4(r31) | |
241 | REPORT_REG_TO_CONSOLE r3 | |
242 | ||
243 | /* TODO: add here test cases to cover unaligned memory accesses | |
244 | with l.lhz. */ | |
245 | ||
246 | /* Test instruction l.lhs */ | |
247 | ||
248 | /* Read data at label 50, forwards, half-word by half-word. */ | |
249 | LOAD_IMMEDIATE r5, 50b | |
250 | ||
251 | l.lhs r4, 0(r5) | |
252 | REPORT_REG_TO_CONSOLE r4 | |
253 | ||
254 | l.lhs r4, 2(r5) | |
255 | REPORT_REG_TO_CONSOLE r4 | |
256 | ||
257 | /* Read data at label 50, backwards, half-word by half-word. */ | |
258 | LOAD_IMMEDIATE r31, 51b | |
259 | ||
260 | l.lhs r3, -2(r31) | |
261 | REPORT_REG_TO_CONSOLE r3 | |
262 | ||
263 | l.lhs r3, -4(r31) | |
264 | REPORT_REG_TO_CONSOLE r3 | |
265 | ||
266 | /* TODO: add here test cases to cover unaligned memory accesses | |
267 | with l.lhs. */ | |
268 | ||
269 | /* Test instruction l.sb */ | |
270 | ||
271 | /* Write 32-bits forwards, byte-to-byte. */ | |
272 | LOAD_IMMEDIATE r5, buffer1 | |
273 | ||
274 | LOAD_IMMEDIATE r10, 0xA1 | |
275 | LOAD_IMMEDIATE r11, 0xA2 | |
276 | LOAD_IMMEDIATE r12, 0xA3 | |
277 | LOAD_IMMEDIATE r13, 0xA4 | |
278 | ||
279 | l.sb 0(r5), r10 | |
280 | l.sb 1(r5), r11 | |
281 | l.sb 2(r5), r12 | |
282 | l.sb 3(r5), r13 | |
283 | ||
284 | l.lwz r3, 0(r5) | |
285 | REPORT_REG_TO_CONSOLE r3 | |
286 | ||
287 | /* Write 32-bits backwards, byte-to-byte. */ | |
288 | LOAD_IMMEDIATE r6, buffer2 | |
289 | ||
290 | LOAD_IMMEDIATE r10, 0xB1 | |
291 | LOAD_IMMEDIATE r11, 0xB2 | |
292 | LOAD_IMMEDIATE r12, 0xB3 | |
293 | LOAD_IMMEDIATE r13, 0xB4 | |
294 | ||
295 | l.sb -1(r6), r10 | |
296 | l.sb -2(r6), r11 | |
297 | l.sb -3(r6), r12 | |
298 | l.sb -4(r6), r13 | |
299 | ||
300 | l.lwz r3, 0(r5) | |
301 | REPORT_REG_TO_CONSOLE r3 | |
302 | ||
303 | /* TODO: add here test cases to cover unaligned memory accesses | |
304 | with l.sb. */ | |
305 | ||
306 | /* Test instruction l.sh */ | |
307 | ||
308 | /* Write 32-bits forwards, one half-word at a time. */ | |
309 | LOAD_IMMEDIATE r5, buffer1 | |
310 | ||
311 | LOAD_IMMEDIATE r10, 0x8182 | |
312 | LOAD_IMMEDIATE r11, 0x8384 | |
313 | ||
314 | l.sh 0(r5), r10 | |
315 | l.sh 2(r5), r11 | |
316 | ||
317 | l.lwz r3, 0(r5) | |
318 | REPORT_REG_TO_CONSOLE r3 | |
319 | ||
320 | /* Write 32-bits backwards, one half-word at a time. */ | |
321 | LOAD_IMMEDIATE r6, buffer2 | |
322 | ||
323 | LOAD_IMMEDIATE r10, 0x5152 | |
324 | LOAD_IMMEDIATE r11, 0x5354 | |
325 | ||
326 | l.sh -2(r6), r10 | |
327 | l.sh -4(r6), r11 | |
328 | ||
329 | l.lwz r3, 0(r5) | |
330 | REPORT_REG_TO_CONSOLE r3 | |
331 | ||
332 | /* TODO: add here test cases to cover unaligned memory accesses | |
333 | with l.sh. */ | |
334 | ||
335 | /* Test instruction l.sw */ | |
336 | LOAD_IMMEDIATE r5, buffer1 | |
337 | LOAD_IMMEDIATE r6, buffer5 | |
338 | ||
339 | LOAD_IMMEDIATE r10, 0xA0B0C0D0 | |
340 | LOAD_IMMEDIATE r11, 0xA1B1C1D1 | |
341 | LOAD_IMMEDIATE r12, 0xA2B2C2D2 | |
342 | LOAD_IMMEDIATE r13, 0xA3B3C3D3 | |
343 | ||
344 | l.sw 0(r5), r10 | |
345 | l.sw 4(r5), r11 | |
346 | l.sw -4(r6), r12 | |
347 | l.sw -8(r6), r13 | |
348 | ||
349 | TEST_LW l.lwz buffer1, 0 | |
350 | TEST_LW l.lwz buffer2, 0 | |
351 | TEST_LW l.lwz buffer3, 0 | |
352 | TEST_LW l.lwz buffer4, 0 | |
353 | ||
354 | /* TODO: add here test cases to cover unaligned memory accesses | |
355 | with l.sw. */ | |
356 | ||
357 | POP LINK_REGISTER_R9 | |
358 | RETURN_TO_LINK_REGISTER_R9 |