projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 78d6da97 FB |
1 | /* |
| 2 | * x86 CPU test | |
| 3 | * | |
| 4 | * Copyright (c) 2003 Fabrice Bellard | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by | |
| 8 | * the Free Software Foundation; either version 2 of the License, or | |
| 9 | * (at your option) any later version. | |
| 10 | * | |
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 19 | */ | |
| 3a27ad0b | 20 | #define _GNU_SOURCE |
| 4d1135e4 FB |
21 | #include <stdlib.h> |
| 22 | #include <stdio.h> | |
| e3e86d56 | 23 | #include <string.h> |
| 6dbad63e | 24 | #include <inttypes.h> |
| 4d1135e4 | 25 | #include <math.h> |
| 3a27ad0b FB |
26 | #include <signal.h> |
| 27 | #include <setjmp.h> | |
| 070893f4 | 28 | #include <errno.h> |
| 3a27ad0b FB |
29 | #include <sys/ucontext.h> |
| 30 | #include <sys/mman.h> | |
| 31 | #include <asm/vm86.h> | |
| 4d1135e4 | 32 | |
| 03bfca94 FB |
33 | #define TEST_CMOV 0 |
| 34 | #define TEST_FCOMI 0 | |
| acae4681 | 35 | #define TEST_VM86 |
| 3ff0631e | 36 | //#define LINUX_VM86_IOPL_FIX |
| 791c2261 | 37 | //#define TEST_P4_FLAGS |
| 085339a1 | 38 | //#define TEST_SSE |
| 5dd9488c | 39 | |
| 4d1135e4 FB |
40 | #define xglue(x, y) x ## y |
| 41 | #define glue(x, y) xglue(x, y) | |
| 42 | #define stringify(s) tostring(s) | |
| 43 | #define tostring(s) #s | |
| 44 | ||
| 45 | #define CC_C 0x0001 | |
| 46 | #define CC_P 0x0004 | |
| 47 | #define CC_A 0x0010 | |
| 48 | #define CC_Z 0x0040 | |
| 49 | #define CC_S 0x0080 | |
| 50 | #define CC_O 0x0800 | |
| 51 | ||
| 4d1135e4 FB |
52 | #define __init_call __attribute__ ((unused,__section__ (".initcall.init"))) |
| 53 | ||
| 54 | static void *call_start __init_call = NULL; | |
| 55 | ||
| 4b74fe1f FB |
56 | #define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A) |
| 57 | ||
| 4d1135e4 FB |
58 | #define OP add |
| 59 | #include "test-i386.h" | |
| 60 | ||
| 61 | #define OP sub | |
| 62 | #include "test-i386.h" | |
| 63 | ||
| 64 | #define OP xor | |
| 65 | #include "test-i386.h" | |
| 66 | ||
| 67 | #define OP and | |
| 68 | #include "test-i386.h" | |
| 69 | ||
| 70 | #define OP or | |
| 71 | #include "test-i386.h" | |
| 72 | ||
| 73 | #define OP cmp | |
| 74 | #include "test-i386.h" | |
| 75 | ||
| 76 | #define OP adc | |
| 77 | #define OP_CC | |
| 78 | #include "test-i386.h" | |
| 79 | ||
| 80 | #define OP sbb | |
| 81 | #define OP_CC | |
| 82 | #include "test-i386.h" | |
| 83 | ||
| 84 | #define OP inc | |
| 85 | #define OP_CC | |
| 86 | #define OP1 | |
| 87 | #include "test-i386.h" | |
| 88 | ||
| 89 | #define OP dec | |
| 90 | #define OP_CC | |
| 91 | #define OP1 | |
| 92 | #include "test-i386.h" | |
| 93 | ||
| 94 | #define OP neg | |
| 95 | #define OP_CC | |
| 96 | #define OP1 | |
| 97 | #include "test-i386.h" | |
| 98 | ||
| 99 | #define OP not | |
| 100 | #define OP_CC | |
| 101 | #define OP1 | |
| 102 | #include "test-i386.h" | |
| 103 | ||
| 4b74fe1f FB |
104 | #undef CC_MASK |
| 105 | #define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O) | |
| 106 | ||
| 379ca80d FB |
107 | #define OP shl |
| 108 | #include "test-i386-shift.h" | |
| 109 | ||
| 110 | #define OP shr | |
| 111 | #include "test-i386-shift.h" | |
| 112 | ||
| 113 | #define OP sar | |
| 114 | #include "test-i386-shift.h" | |
| 115 | ||
| 116 | #define OP rol | |
| 117 | #include "test-i386-shift.h" | |
| 118 | ||
| 119 | #define OP ror | |
| 120 | #include "test-i386-shift.h" | |
| 121 | ||
| 122 | #define OP rcr | |
| 123 | #define OP_CC | |
| 124 | #include "test-i386-shift.h" | |
| 125 | ||
| 126 | #define OP rcl | |
| 127 | #define OP_CC | |
| 128 | #include "test-i386-shift.h" | |
| 129 | ||
| d57c4e01 FB |
130 | #define OP shld |
| 131 | #define OP_SHIFTD | |
| 132 | #define OP_NOBYTE | |
| 133 | #include "test-i386-shift.h" | |
| 134 | ||
| 135 | #define OP shrd | |
| 136 | #define OP_SHIFTD | |
| 137 | #define OP_NOBYTE | |
| 138 | #include "test-i386-shift.h" | |
| 139 | ||
| 140 | /* XXX: should be more precise ? */ | |
| 141 | #undef CC_MASK | |
| 142 | #define CC_MASK (CC_C) | |
| 143 | ||
| 144 | #define OP bt | |
| 145 | #define OP_NOBYTE | |
| 146 | #include "test-i386-shift.h" | |
| 147 | ||
| 148 | #define OP bts | |
| 149 | #define OP_NOBYTE | |
| 150 | #include "test-i386-shift.h" | |
| 151 | ||
| 152 | #define OP btr | |
| 153 | #define OP_NOBYTE | |
| 154 | #include "test-i386-shift.h" | |
| 155 | ||
| 156 | #define OP btc | |
| 157 | #define OP_NOBYTE | |
| 158 | #include "test-i386-shift.h" | |
| 379ca80d | 159 | |
| 4d1135e4 FB |
160 | /* lea test (modrm support) */ |
| 161 | #define TEST_LEA(STR)\ | |
| 162 | {\ | |
| 163 | asm("leal " STR ", %0"\ | |
| 164 | : "=r" (res)\ | |
| 165 | : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ | |
| 166 | printf("lea %s = %08x\n", STR, res);\ | |
| 167 | } | |
| 168 | ||
| 169 | #define TEST_LEA16(STR)\ | |
| 170 | {\ | |
| 171 | asm(".code16 ; .byte 0x67 ; leal " STR ", %0 ; .code32"\ | |
| 172 | : "=wq" (res)\ | |
| 173 | : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ | |
| 174 | printf("lea %s = %08x\n", STR, res);\ | |
| 175 | } | |
| 176 | ||
| 177 | ||
| 178 | void test_lea(void) | |
| 179 | { | |
| 180 | int eax, ebx, ecx, edx, esi, edi, res; | |
| 181 | eax = 0x0001; | |
| 182 | ebx = 0x0002; | |
| 183 | ecx = 0x0004; | |
| 184 | edx = 0x0008; | |
| 185 | esi = 0x0010; | |
| 186 | edi = 0x0020; | |
| 187 | ||
| 188 | TEST_LEA("0x4000"); | |
| 189 | ||
| 190 | TEST_LEA("(%%eax)"); | |
| 191 | TEST_LEA("(%%ebx)"); | |
| 192 | TEST_LEA("(%%ecx)"); | |
| 193 | TEST_LEA("(%%edx)"); | |
| 194 | TEST_LEA("(%%esi)"); | |
| 195 | TEST_LEA("(%%edi)"); | |
| 196 | ||
| 197 | TEST_LEA("0x40(%%eax)"); | |
| 198 | TEST_LEA("0x40(%%ebx)"); | |
| 199 | TEST_LEA("0x40(%%ecx)"); | |
| 200 | TEST_LEA("0x40(%%edx)"); | |
| 201 | TEST_LEA("0x40(%%esi)"); | |
| 202 | TEST_LEA("0x40(%%edi)"); | |
| 203 | ||
| 204 | TEST_LEA("0x4000(%%eax)"); | |
| 205 | TEST_LEA("0x4000(%%ebx)"); | |
| 206 | TEST_LEA("0x4000(%%ecx)"); | |
| 207 | TEST_LEA("0x4000(%%edx)"); | |
| 208 | TEST_LEA("0x4000(%%esi)"); | |
| 209 | TEST_LEA("0x4000(%%edi)"); | |
| 210 | ||
| 211 | TEST_LEA("(%%eax, %%ecx)"); | |
| 212 | TEST_LEA("(%%ebx, %%edx)"); | |
| 213 | TEST_LEA("(%%ecx, %%ecx)"); | |
| 214 | TEST_LEA("(%%edx, %%ecx)"); | |
| 215 | TEST_LEA("(%%esi, %%ecx)"); | |
| 216 | TEST_LEA("(%%edi, %%ecx)"); | |
| 217 | ||
| 218 | TEST_LEA("0x40(%%eax, %%ecx)"); | |
| 219 | TEST_LEA("0x4000(%%ebx, %%edx)"); | |
| 220 | ||
| 221 | TEST_LEA("(%%ecx, %%ecx, 2)"); | |
| 222 | TEST_LEA("(%%edx, %%ecx, 4)"); | |
| 223 | TEST_LEA("(%%esi, %%ecx, 8)"); | |
| 224 | ||
| 225 | TEST_LEA("(,%%eax, 2)"); | |
| 226 | TEST_LEA("(,%%ebx, 4)"); | |
| 227 | TEST_LEA("(,%%ecx, 8)"); | |
| 228 | ||
| 229 | TEST_LEA("0x40(,%%eax, 2)"); | |
| 230 | TEST_LEA("0x40(,%%ebx, 4)"); | |
| 231 | TEST_LEA("0x40(,%%ecx, 8)"); | |
| 232 | ||
| 233 | ||
| 234 | TEST_LEA("-10(%%ecx, %%ecx, 2)"); | |
| 235 | TEST_LEA("-10(%%edx, %%ecx, 4)"); | |
| 236 | TEST_LEA("-10(%%esi, %%ecx, 8)"); | |
| 237 | ||
| 238 | TEST_LEA("0x4000(%%ecx, %%ecx, 2)"); | |
| 239 | TEST_LEA("0x4000(%%edx, %%ecx, 4)"); | |
| 240 | TEST_LEA("0x4000(%%esi, %%ecx, 8)"); | |
| 241 | ||
| 242 | /* limited 16 bit addressing test */ | |
| 243 | TEST_LEA16("0x4000"); | |
| 244 | TEST_LEA16("(%%bx)"); | |
| 245 | TEST_LEA16("(%%si)"); | |
| 246 | TEST_LEA16("(%%di)"); | |
| 247 | TEST_LEA16("0x40(%%bx)"); | |
| 248 | TEST_LEA16("0x40(%%si)"); | |
| 249 | TEST_LEA16("0x40(%%di)"); | |
| 250 | TEST_LEA16("0x4000(%%bx)"); | |
| 251 | TEST_LEA16("0x4000(%%si)"); | |
| 252 | TEST_LEA16("(%%bx,%%si)"); | |
| 253 | TEST_LEA16("(%%bx,%%di)"); | |
| 254 | TEST_LEA16("0x40(%%bx,%%si)"); | |
| 255 | TEST_LEA16("0x40(%%bx,%%di)"); | |
| 256 | TEST_LEA16("0x4000(%%bx,%%si)"); | |
| 257 | TEST_LEA16("0x4000(%%bx,%%di)"); | |
| 258 | } | |
| 259 | ||
| 260 | #define TEST_JCC(JCC, v1, v2)\ | |
| 261 | {\ | |
| 5dd9488c | 262 | int res;\ |
| 4d1135e4 FB |
263 | asm("movl $1, %0\n\t"\ |
| 264 | "cmpl %2, %1\n\t"\ | |
| 5dd9488c | 265 | "j" JCC " 1f\n\t"\ |
| 4d1135e4 FB |
266 | "movl $0, %0\n\t"\ |
| 267 | "1:\n\t"\ | |
| 268 | : "=r" (res)\ | |
| 269 | : "r" (v1), "r" (v2));\ | |
| 5dd9488c FB |
270 | printf("%-10s %d\n", "j" JCC, res);\ |
| 271 | \ | |
| 272 | asm("movl $0, %0\n\t"\ | |
| 273 | "cmpl %2, %1\n\t"\ | |
| 274 | "set" JCC " %b0\n\t"\ | |
| 275 | : "=r" (res)\ | |
| 276 | : "r" (v1), "r" (v2));\ | |
| 277 | printf("%-10s %d\n", "set" JCC, res);\ | |
| 278 | if (TEST_CMOV) {\ | |
| 279 | asm("movl $0x12345678, %0\n\t"\ | |
| 280 | "cmpl %2, %1\n\t"\ | |
| 281 | "cmov" JCC "l %3, %0\n\t"\ | |
| 282 | : "=r" (res)\ | |
| 283 | : "r" (v1), "r" (v2), "m" (1));\ | |
| 284 | printf("%-10s R=0x%08x\n", "cmov" JCC "l", res);\ | |
| 285 | asm("movl $0x12345678, %0\n\t"\ | |
| 286 | "cmpl %2, %1\n\t"\ | |
| 287 | "cmov" JCC "w %w3, %w0\n\t"\ | |
| 288 | : "=r" (res)\ | |
| 289 | : "r" (v1), "r" (v2), "r" (1));\ | |
| 290 | printf("%-10s R=0x%08x\n", "cmov" JCC "w", res);\ | |
| 291 | } \ | |
| 4d1135e4 FB |
292 | } |
| 293 | ||
| 294 | /* various jump tests */ | |
| 295 | void test_jcc(void) | |
| 296 | { | |
| 5dd9488c FB |
297 | TEST_JCC("ne", 1, 1); |
| 298 | TEST_JCC("ne", 1, 0); | |
| 4d1135e4 | 299 | |
| 5dd9488c FB |
300 | TEST_JCC("e", 1, 1); |
| 301 | TEST_JCC("e", 1, 0); | |
| 4d1135e4 | 302 | |
| 5dd9488c FB |
303 | TEST_JCC("l", 1, 1); |
| 304 | TEST_JCC("l", 1, 0); | |
| 305 | TEST_JCC("l", 1, -1); | |
| 4d1135e4 | 306 | |
| 5dd9488c FB |
307 | TEST_JCC("le", 1, 1); |
| 308 | TEST_JCC("le", 1, 0); | |
| 309 | TEST_JCC("le", 1, -1); | |
| 4d1135e4 | 310 | |
| 5dd9488c FB |
311 | TEST_JCC("ge", 1, 1); |
| 312 | TEST_JCC("ge", 1, 0); | |
| 313 | TEST_JCC("ge", -1, 1); | |
| 4d1135e4 | 314 | |
| 5dd9488c FB |
315 | TEST_JCC("g", 1, 1); |
| 316 | TEST_JCC("g", 1, 0); | |
| 317 | TEST_JCC("g", 1, -1); | |
| 4d1135e4 | 318 | |
| 5dd9488c FB |
319 | TEST_JCC("b", 1, 1); |
| 320 | TEST_JCC("b", 1, 0); | |
| 321 | TEST_JCC("b", 1, -1); | |
| 4d1135e4 | 322 | |
| 5dd9488c FB |
323 | TEST_JCC("be", 1, 1); |
| 324 | TEST_JCC("be", 1, 0); | |
| 325 | TEST_JCC("be", 1, -1); | |
| 4d1135e4 | 326 | |
| 5dd9488c FB |
327 | TEST_JCC("ae", 1, 1); |
| 328 | TEST_JCC("ae", 1, 0); | |
| 329 | TEST_JCC("ae", 1, -1); | |
| 4d1135e4 | 330 | |
| 5dd9488c FB |
331 | TEST_JCC("a", 1, 1); |
| 332 | TEST_JCC("a", 1, 0); | |
| 333 | TEST_JCC("a", 1, -1); | |
| 4d1135e4 FB |
334 | |
| 335 | ||
| 5dd9488c FB |
336 | TEST_JCC("p", 1, 1); |
| 337 | TEST_JCC("p", 1, 0); | |
| 4d1135e4 | 338 | |
| 5dd9488c FB |
339 | TEST_JCC("np", 1, 1); |
| 340 | TEST_JCC("np", 1, 0); | |
| 4d1135e4 | 341 | |
| 5dd9488c FB |
342 | TEST_JCC("o", 0x7fffffff, 0); |
| 343 | TEST_JCC("o", 0x7fffffff, -1); | |
| 4d1135e4 | 344 | |
| 5dd9488c FB |
345 | TEST_JCC("no", 0x7fffffff, 0); |
| 346 | TEST_JCC("no", 0x7fffffff, -1); | |
| 4d1135e4 | 347 | |
| 5dd9488c FB |
348 | TEST_JCC("s", 0, 1); |
| 349 | TEST_JCC("s", 0, -1); | |
| 350 | TEST_JCC("s", 0, 0); | |
| 4d1135e4 | 351 | |
| 5dd9488c FB |
352 | TEST_JCC("ns", 0, 1); |
| 353 | TEST_JCC("ns", 0, -1); | |
| 354 | TEST_JCC("ns", 0, 0); | |
| 4d1135e4 FB |
355 | } |
| 356 | ||
| 4b74fe1f | 357 | #undef CC_MASK |
| 791c2261 FB |
358 | #ifdef TEST_P4_FLAGS |
| 359 | #define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A) | |
| 360 | #else | |
| 4b74fe1f | 361 | #define CC_MASK (CC_O | CC_C) |
| 791c2261 | 362 | #endif |
| 4b74fe1f FB |
363 | |
| 364 | #define OP mul | |
| 365 | #include "test-i386-muldiv.h" | |
| 366 | ||
| 367 | #define OP imul | |
| 368 | #include "test-i386-muldiv.h" | |
| 369 | ||
| 4b74fe1f FB |
370 | void test_imulw2(int op0, int op1) |
| 371 | { | |
| 372 | int res, s1, s0, flags; | |
| 373 | s0 = op0; | |
| 374 | s1 = op1; | |
| 375 | res = s0; | |
| 376 | flags = 0; | |
| acae4681 | 377 | asm volatile ("push %4\n\t" |
| 4b74fe1f FB |
378 | "popf\n\t" |
| 379 | "imulw %w2, %w0\n\t" | |
| 380 | "pushf\n\t" | |
| 381 | "popl %1\n\t" | |
| 382 | : "=q" (res), "=g" (flags) | |
| 383 | : "q" (s1), "0" (res), "1" (flags)); | |
| 384 | printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n", | |
| 385 | "imulw", s0, s1, res, flags & CC_MASK); | |
| 386 | } | |
| 387 | ||
| 388 | void test_imull2(int op0, int op1) | |
| 389 | { | |
| 390 | int res, s1, s0, flags; | |
| 391 | s0 = op0; | |
| 392 | s1 = op1; | |
| 393 | res = s0; | |
| 394 | flags = 0; | |
| acae4681 | 395 | asm volatile ("push %4\n\t" |
| 4b74fe1f FB |
396 | "popf\n\t" |
| 397 | "imull %2, %0\n\t" | |
| 398 | "pushf\n\t" | |
| 399 | "popl %1\n\t" | |
| 400 | : "=q" (res), "=g" (flags) | |
| 401 | : "q" (s1), "0" (res), "1" (flags)); | |
| 402 | printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n", | |
| 403 | "imull", s0, s1, res, flags & CC_MASK); | |
| 404 | } | |
| 405 | ||
| b5075d29 FB |
406 | #define TEST_IMUL_IM(size, size1, op0, op1)\ |
| 407 | {\ | |
| 408 | int res, flags;\ | |
| 409 | flags = 0;\ | |
| 410 | res = 0;\ | |
| acae4681 | 411 | asm volatile ("push %3\n\t"\ |
| b5075d29 FB |
412 | "popf\n\t"\ |
| 413 | "imul" size " $" #op0 ", %" size1 "2, %" size1 "0\n\t" \ | |
| 414 | "pushf\n\t"\ | |
| 415 | "popl %1\n\t"\ | |
| 416 | : "=r" (res), "=g" (flags)\ | |
| 417 | : "r" (op1), "1" (flags), "0" (res));\ | |
| 418 | printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",\ | |
| acae4681 | 419 | "imul" size " im", op0, op1, res, flags & CC_MASK);\ |
| b5075d29 FB |
420 | } |
| 421 | ||
| 422 | ||
| 791c2261 FB |
423 | #undef CC_MASK |
| 424 | #define CC_MASK (0) | |
| 425 | ||
| 426 | #define OP div | |
| 427 | #include "test-i386-muldiv.h" | |
| 428 | ||
| 429 | #define OP idiv | |
| 430 | #include "test-i386-muldiv.h" | |
| 431 | ||
| 4b74fe1f FB |
432 | void test_mul(void) |
| 433 | { | |
| 434 | test_imulb(0x1234561d, 4); | |
| 435 | test_imulb(3, -4); | |
| 436 | test_imulb(0x80, 0x80); | |
| 437 | test_imulb(0x10, 0x10); | |
| 438 | ||
| 439 | test_imulw(0, 0x1234001d, 45); | |
| 440 | test_imulw(0, 23, -45); | |
| 441 | test_imulw(0, 0x8000, 0x8000); | |
| 442 | test_imulw(0, 0x100, 0x100); | |
| 443 | ||
| 444 | test_imull(0, 0x1234001d, 45); | |
| 445 | test_imull(0, 23, -45); | |
| 446 | test_imull(0, 0x80000000, 0x80000000); | |
| 447 | test_imull(0, 0x10000, 0x10000); | |
| 448 | ||
| 449 | test_mulb(0x1234561d, 4); | |
| 450 | test_mulb(3, -4); | |
| 451 | test_mulb(0x80, 0x80); | |
| 452 | test_mulb(0x10, 0x10); | |
| 453 | ||
| 454 | test_mulw(0, 0x1234001d, 45); | |
| 455 | test_mulw(0, 23, -45); | |
| 456 | test_mulw(0, 0x8000, 0x8000); | |
| 457 | test_mulw(0, 0x100, 0x100); | |
| 458 | ||
| 459 | test_mull(0, 0x1234001d, 45); | |
| 460 | test_mull(0, 23, -45); | |
| 461 | test_mull(0, 0x80000000, 0x80000000); | |
| 462 | test_mull(0, 0x10000, 0x10000); | |
| 463 | ||
| 464 | test_imulw2(0x1234001d, 45); | |
| 465 | test_imulw2(23, -45); | |
| 466 | test_imulw2(0x8000, 0x8000); | |
| 467 | test_imulw2(0x100, 0x100); | |
| 468 | ||
| 469 | test_imull2(0x1234001d, 45); | |
| 470 | test_imull2(23, -45); | |
| 471 | test_imull2(0x80000000, 0x80000000); | |
| 472 | test_imull2(0x10000, 0x10000); | |
| 473 | ||
| b5075d29 FB |
474 | TEST_IMUL_IM("w", "w", 45, 0x1234); |
| 475 | TEST_IMUL_IM("w", "w", -45, 23); | |
| 476 | TEST_IMUL_IM("w", "w", 0x8000, 0x80000000); | |
| 477 | TEST_IMUL_IM("w", "w", 0x7fff, 0x1000); | |
| 478 | ||
| 479 | TEST_IMUL_IM("l", "", 45, 0x1234); | |
| 480 | TEST_IMUL_IM("l", "", -45, 23); | |
| 481 | TEST_IMUL_IM("l", "", 0x8000, 0x80000000); | |
| 482 | TEST_IMUL_IM("l", "", 0x7fff, 0x1000); | |
| 483 | ||
| 4b74fe1f FB |
484 | test_idivb(0x12341678, 0x127e); |
| 485 | test_idivb(0x43210123, -5); | |
| 486 | test_idivb(0x12340004, -1); | |
| 487 | ||
| 488 | test_idivw(0, 0x12345678, 12347); | |
| 489 | test_idivw(0, -23223, -45); | |
| 490 | test_idivw(0, 0x12348000, -1); | |
| 491 | test_idivw(0x12343, 0x12345678, 0x81238567); | |
| 492 | ||
| 493 | test_idivl(0, 0x12345678, 12347); | |
| 494 | test_idivl(0, -233223, -45); | |
| 495 | test_idivl(0, 0x80000000, -1); | |
| 496 | test_idivl(0x12343, 0x12345678, 0x81234567); | |
| 497 | ||
| 498 | test_divb(0x12341678, 0x127e); | |
| 499 | test_divb(0x43210123, -5); | |
| 500 | test_divb(0x12340004, -1); | |
| 501 | ||
| 502 | test_divw(0, 0x12345678, 12347); | |
| 503 | test_divw(0, -23223, -45); | |
| 504 | test_divw(0, 0x12348000, -1); | |
| 505 | test_divw(0x12343, 0x12345678, 0x81238567); | |
| 506 | ||
| 507 | test_divl(0, 0x12345678, 12347); | |
| 508 | test_divl(0, -233223, -45); | |
| 509 | test_divl(0, 0x80000000, -1); | |
| 510 | test_divl(0x12343, 0x12345678, 0x81234567); | |
| 511 | } | |
| 512 | ||
| 9d8e9c09 FB |
513 | #define TEST_BSX(op, size, op0)\ |
| 514 | {\ | |
| 515 | int res, val, resz;\ | |
| 516 | val = op0;\ | |
| 7f5e1452 FB |
517 | asm("xorl %1, %1\n"\ |
| 518 | "movl $0x12345678, %0\n"\ | |
| 519 | #op " %" size "2, %" size "0 ; setz %b1" \ | |
| 9d8e9c09 FB |
520 | : "=r" (res), "=q" (resz)\ |
| 521 | : "g" (val));\ | |
| 7f5e1452 | 522 | printf("%-10s A=%08x R=%08x %d\n", #op, val, res, resz);\ |
| 9d8e9c09 FB |
523 | } |
| 524 | ||
| 525 | void test_bsx(void) | |
| 526 | { | |
| 527 | TEST_BSX(bsrw, "w", 0); | |
| 528 | TEST_BSX(bsrw, "w", 0x12340128); | |
| 529 | TEST_BSX(bsrl, "", 0); | |
| 530 | TEST_BSX(bsrl, "", 0x00340128); | |
| 531 | TEST_BSX(bsfw, "w", 0); | |
| 532 | TEST_BSX(bsfw, "w", 0x12340128); | |
| 533 | TEST_BSX(bsfl, "", 0); | |
| 534 | TEST_BSX(bsfl, "", 0x00340128); | |
| 535 | } | |
| 536 | ||
| 55480af8 FB |
537 | /**********************************************/ |
| 538 | ||
| 9d8e9c09 FB |
539 | void test_fops(double a, double b) |
| 540 | { | |
| 541 | printf("a=%f b=%f a+b=%f\n", a, b, a + b); | |
| 542 | printf("a=%f b=%f a-b=%f\n", a, b, a - b); | |
| 543 | printf("a=%f b=%f a*b=%f\n", a, b, a * b); | |
| 544 | printf("a=%f b=%f a/b=%f\n", a, b, a / b); | |
| 545 | printf("a=%f b=%f fmod(a, b)=%f\n", a, b, fmod(a, b)); | |
| 546 | printf("a=%f sqrt(a)=%f\n", a, sqrt(a)); | |
| 547 | printf("a=%f sin(a)=%f\n", a, sin(a)); | |
| 548 | printf("a=%f cos(a)=%f\n", a, cos(a)); | |
| 549 | printf("a=%f tan(a)=%f\n", a, tan(a)); | |
| 550 | printf("a=%f log(a)=%f\n", a, log(a)); | |
| 551 | printf("a=%f exp(a)=%f\n", a, exp(a)); | |
| 552 | printf("a=%f b=%f atan2(a, b)=%f\n", a, b, atan2(a, b)); | |
| 553 | /* just to test some op combining */ | |
| 554 | printf("a=%f asin(sin(a))=%f\n", a, asin(sin(a))); | |
| 555 | printf("a=%f acos(cos(a))=%f\n", a, acos(cos(a))); | |
| 556 | printf("a=%f atan(tan(a))=%f\n", a, atan(tan(a))); | |
| 557 | ||
| 558 | } | |
| 559 | ||
| 560 | void test_fcmp(double a, double b) | |
| 561 | { | |
| 562 | printf("(%f<%f)=%d\n", | |
| 563 | a, b, a < b); | |
| 564 | printf("(%f<=%f)=%d\n", | |
| 565 | a, b, a <= b); | |
| 566 | printf("(%f==%f)=%d\n", | |
| 567 | a, b, a == b); | |
| 568 | printf("(%f>%f)=%d\n", | |
| 569 | a, b, a > b); | |
| 570 | printf("(%f<=%f)=%d\n", | |
| 571 | a, b, a >= b); | |
| 03bfca94 FB |
572 | if (TEST_FCOMI) { |
| 573 | unsigned int eflags; | |
| 574 | /* test f(u)comi instruction */ | |
| 575 | asm("fcomi %2, %1\n" | |
| 576 | "pushf\n" | |
| 577 | "pop %0\n" | |
| 578 | : "=r" (eflags) | |
| 579 | : "t" (a), "u" (b)); | |
| 580 | printf("fcomi(%f %f)=%08x\n", a, b, eflags & (CC_Z | CC_P | CC_C)); | |
| 581 | } | |
| 9d8e9c09 FB |
582 | } |
| 583 | ||
| 584 | void test_fcvt(double a) | |
| 585 | { | |
| 586 | float fa; | |
| 587 | long double la; | |
| ea768640 FB |
588 | int16_t fpuc; |
| 589 | int i; | |
| 590 | int64_t lla; | |
| 591 | int ia; | |
| 592 | int16_t wa; | |
| 593 | double ra; | |
| 9d8e9c09 FB |
594 | |
| 595 | fa = a; | |
| 596 | la = a; | |
| 597 | printf("(float)%f = %f\n", a, fa); | |
| 598 | printf("(long double)%f = %Lf\n", a, la); | |
| c5e9815d FB |
599 | printf("a=%016Lx\n", *(long long *)&a); |
| 600 | printf("la=%016Lx %04x\n", *(long long *)&la, | |
| 601 | *(unsigned short *)((char *)(&la) + 8)); | |
| ea768640 FB |
602 | |
| 603 | /* test all roundings */ | |
| 604 | asm volatile ("fstcw %0" : "=m" (fpuc)); | |
| 605 | for(i=0;i<4;i++) { | |
| 606 | asm volatile ("fldcw %0" : : "m" ((fpuc & ~0x0c00) | (i << 10))); | |
| 607 | asm volatile ("fist %0" : "=m" (wa) : "t" (a)); | |
| 608 | asm volatile ("fistl %0" : "=m" (ia) : "t" (a)); | |
| 609 | asm volatile ("fistpll %0" : "=m" (lla) : "t" (a) : "st"); | |
| 610 | asm volatile ("frndint ; fstl %0" : "=m" (ra) : "t" (a)); | |
| 611 | asm volatile ("fldcw %0" : : "m" (fpuc)); | |
| 612 | printf("(short)a = %d\n", wa); | |
| 613 | printf("(int)a = %d\n", ia); | |
| 614 | printf("(int64_t)a = %Ld\n", lla); | |
| 615 | printf("rint(a) = %f\n", ra); | |
| 616 | } | |
| 9d8e9c09 FB |
617 | } |
| 618 | ||
| 619 | #define TEST(N) \ | |
| 620 | asm("fld" #N : "=t" (a)); \ | |
| 621 | printf("fld" #N "= %f\n", a); | |
| 622 | ||
| 623 | void test_fconst(void) | |
| 624 | { | |
| 625 | double a; | |
| 626 | TEST(1); | |
| 627 | TEST(l2t); | |
| 628 | TEST(l2e); | |
| 629 | TEST(pi); | |
| 630 | TEST(lg2); | |
| 631 | TEST(ln2); | |
| 632 | TEST(z); | |
| 633 | } | |
| 634 | ||
| c5e9815d FB |
635 | void test_fbcd(double a) |
| 636 | { | |
| 637 | unsigned short bcd[5]; | |
| 638 | double b; | |
| 639 | ||
| 640 | asm("fbstp %0" : "=m" (bcd[0]) : "t" (a) : "st"); | |
| 641 | asm("fbld %1" : "=t" (b) : "m" (bcd[0])); | |
| 642 | printf("a=%f bcd=%04x%04x%04x%04x%04x b=%f\n", | |
| 643 | a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b); | |
| 644 | } | |
| 645 | ||
| 6b2b6112 | 646 | #define TEST_ENV(env, save, restore)\ |
| 03bfca94 FB |
647 | {\ |
| 648 | memset((env), 0xaa, sizeof(*(env)));\ | |
| 6b2b6112 FB |
649 | for(i=0;i<5;i++)\ |
| 650 | asm volatile ("fldl %0" : : "m" (dtab[i]));\ | |
| 085339a1 FB |
651 | asm volatile (save " %0\n" : : "m" (*(env)));\ |
| 652 | asm volatile (restore " %0\n": : "m" (*(env)));\ | |
| 6b2b6112 FB |
653 | for(i=0;i<5;i++)\ |
| 654 | asm volatile ("fstpl %0" : "=m" (rtab[i]));\ | |
| 655 | for(i=0;i<5;i++)\ | |
| 656 | printf("res[%d]=%f\n", i, rtab[i]);\ | |
| 03bfca94 FB |
657 | printf("fpuc=%04x fpus=%04x fptag=%04x\n",\ |
| 658 | (env)->fpuc,\ | |
| 659 | (env)->fpus & 0xff00,\ | |
| 660 | (env)->fptag);\ | |
| 03bfca94 FB |
661 | } |
| 662 | ||
| 663 | void test_fenv(void) | |
| 664 | { | |
| 665 | struct __attribute__((packed)) { | |
| 666 | uint16_t fpuc; | |
| 667 | uint16_t dummy1; | |
| 668 | uint16_t fpus; | |
| 669 | uint16_t dummy2; | |
| 670 | uint16_t fptag; | |
| 671 | uint16_t dummy3; | |
| 672 | uint32_t ignored[4]; | |
| 673 | long double fpregs[8]; | |
| 674 | } float_env32; | |
| 675 | struct __attribute__((packed)) { | |
| 676 | uint16_t fpuc; | |
| 677 | uint16_t fpus; | |
| 678 | uint16_t fptag; | |
| 679 | uint16_t ignored[4]; | |
| 680 | long double fpregs[8]; | |
| 681 | } float_env16; | |
| 6b2b6112 FB |
682 | double dtab[8]; |
| 683 | double rtab[8]; | |
| 684 | int i; | |
| 685 | ||
| 686 | for(i=0;i<8;i++) | |
| 687 | dtab[i] = i + 1; | |
| 03bfca94 | 688 | |
| 6b2b6112 FB |
689 | TEST_ENV(&float_env16, "data16 fnstenv", "data16 fldenv"); |
| 690 | TEST_ENV(&float_env16, "data16 fnsave", "data16 frstor"); | |
| 691 | TEST_ENV(&float_env32, "fnstenv", "fldenv"); | |
| 692 | TEST_ENV(&float_env32, "fnsave", "frstor"); | |
| 665656a9 FB |
693 | |
| 694 | /* test for ffree */ | |
| 695 | for(i=0;i<5;i++) | |
| 696 | asm volatile ("fldl %0" : : "m" (dtab[i])); | |
| 697 | asm volatile("ffree %st(2)"); | |
| 698 | asm volatile ("fnstenv %0\n" : : "m" (float_env32)); | |
| 699 | asm volatile ("fninit"); | |
| 700 | printf("fptag=%04x\n", float_env32.fptag); | |
| 03bfca94 FB |
701 | } |
| 702 | ||
| 75175024 FB |
703 | |
| 704 | #define TEST_FCMOV(a, b, eflags, CC)\ | |
| 705 | {\ | |
| 706 | double res;\ | |
| 707 | asm("push %3\n"\ | |
| 708 | "popf\n"\ | |
| 709 | "fcmov" CC " %2, %0\n"\ | |
| 710 | : "=t" (res)\ | |
| 711 | : "0" (a), "u" (b), "g" (eflags));\ | |
| 712 | printf("fcmov%s eflags=0x%04x-> %f\n", \ | |
| 713 | CC, eflags, res);\ | |
| 714 | } | |
| 715 | ||
| 716 | void test_fcmov(void) | |
| 717 | { | |
| 718 | double a, b; | |
| 719 | int eflags, i; | |
| 720 | ||
| 721 | a = 1.0; | |
| 722 | b = 2.0; | |
| 723 | for(i = 0; i < 4; i++) { | |
| 724 | eflags = 0; | |
| 725 | if (i & 1) | |
| 726 | eflags |= CC_C; | |
| 727 | if (i & 2) | |
| 728 | eflags |= CC_Z; | |
| 729 | TEST_FCMOV(a, b, eflags, "b"); | |
| 730 | TEST_FCMOV(a, b, eflags, "e"); | |
| 731 | TEST_FCMOV(a, b, eflags, "be"); | |
| 732 | TEST_FCMOV(a, b, eflags, "nb"); | |
| 733 | TEST_FCMOV(a, b, eflags, "ne"); | |
| 734 | TEST_FCMOV(a, b, eflags, "nbe"); | |
| 735 | } | |
| 736 | TEST_FCMOV(a, b, 0, "u"); | |
| 9cdf757f FB |
737 | TEST_FCMOV(a, b, CC_P, "u"); |
| 738 | TEST_FCMOV(a, b, 0, "nu"); | |
| 75175024 FB |
739 | TEST_FCMOV(a, b, CC_P, "nu"); |
| 740 | } | |
| 741 | ||
| 9d8e9c09 FB |
742 | void test_floats(void) |
| 743 | { | |
| 744 | test_fops(2, 3); | |
| 745 | test_fops(1.4, -5); | |
| 746 | test_fcmp(2, -1); | |
| 747 | test_fcmp(2, 2); | |
| 748 | test_fcmp(2, 3); | |
| ea768640 FB |
749 | test_fcvt(0.5); |
| 750 | test_fcvt(-0.5); | |
| 9d8e9c09 FB |
751 | test_fcvt(1.0/7.0); |
| 752 | test_fcvt(-1.0/9.0); | |
| ea768640 FB |
753 | test_fcvt(32768); |
| 754 | test_fcvt(-1e20); | |
| 9d8e9c09 | 755 | test_fconst(); |
| c5e9815d FB |
756 | test_fbcd(1234567890123456); |
| 757 | test_fbcd(-123451234567890); | |
| 03bfca94 | 758 | test_fenv(); |
| 75175024 FB |
759 | if (TEST_CMOV) { |
| 760 | test_fcmov(); | |
| 761 | } | |
| 9d8e9c09 | 762 | } |
| 4b74fe1f | 763 | |
| 55480af8 FB |
764 | /**********************************************/ |
| 765 | ||
| 766 | #define TEST_BCD(op, op0, cc_in, cc_mask)\ | |
| 767 | {\ | |
| 768 | int res, flags;\ | |
| 769 | res = op0;\ | |
| 770 | flags = cc_in;\ | |
| 771 | asm ("push %3\n\t"\ | |
| 772 | "popf\n\t"\ | |
| 773 | #op "\n\t"\ | |
| 774 | "pushf\n\t"\ | |
| 775 | "popl %1\n\t"\ | |
| 776 | : "=a" (res), "=g" (flags)\ | |
| 777 | : "0" (res), "1" (flags));\ | |
| 778 | printf("%-10s A=%08x R=%08x CCIN=%04x CC=%04x\n",\ | |
| 779 | #op, op0, res, cc_in, flags & cc_mask);\ | |
| 780 | } | |
| 781 | ||
| 782 | void test_bcd(void) | |
| 783 | { | |
| 784 | TEST_BCD(daa, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 785 | TEST_BCD(daa, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 786 | TEST_BCD(daa, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 787 | TEST_BCD(daa, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 788 | TEST_BCD(daa, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 789 | TEST_BCD(daa, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 790 | TEST_BCD(daa, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 791 | TEST_BCD(daa, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 792 | TEST_BCD(daa, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 793 | TEST_BCD(daa, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 794 | TEST_BCD(daa, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 795 | TEST_BCD(daa, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 796 | TEST_BCD(daa, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 797 | ||
| 798 | TEST_BCD(das, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 799 | TEST_BCD(das, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 800 | TEST_BCD(das, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 801 | TEST_BCD(das, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 802 | TEST_BCD(das, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 803 | TEST_BCD(das, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 804 | TEST_BCD(das, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 805 | TEST_BCD(das, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 806 | TEST_BCD(das, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 807 | TEST_BCD(das, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 808 | TEST_BCD(das, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 809 | TEST_BCD(das, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 810 | TEST_BCD(das, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); | |
| 811 | ||
| 812 | TEST_BCD(aaa, 0x12340205, CC_A, (CC_C | CC_A)); | |
| 813 | TEST_BCD(aaa, 0x12340306, CC_A, (CC_C | CC_A)); | |
| 814 | TEST_BCD(aaa, 0x1234040a, CC_A, (CC_C | CC_A)); | |
| 815 | TEST_BCD(aaa, 0x123405fa, CC_A, (CC_C | CC_A)); | |
| 816 | TEST_BCD(aaa, 0x12340205, 0, (CC_C | CC_A)); | |
| 817 | TEST_BCD(aaa, 0x12340306, 0, (CC_C | CC_A)); | |
| 818 | TEST_BCD(aaa, 0x1234040a, 0, (CC_C | CC_A)); | |
| 819 | TEST_BCD(aaa, 0x123405fa, 0, (CC_C | CC_A)); | |
| 820 | ||
| 821 | TEST_BCD(aas, 0x12340205, CC_A, (CC_C | CC_A)); | |
| 822 | TEST_BCD(aas, 0x12340306, CC_A, (CC_C | CC_A)); | |
| 823 | TEST_BCD(aas, 0x1234040a, CC_A, (CC_C | CC_A)); | |
| 824 | TEST_BCD(aas, 0x123405fa, CC_A, (CC_C | CC_A)); | |
| 825 | TEST_BCD(aas, 0x12340205, 0, (CC_C | CC_A)); | |
| 826 | TEST_BCD(aas, 0x12340306, 0, (CC_C | CC_A)); | |
| 827 | TEST_BCD(aas, 0x1234040a, 0, (CC_C | CC_A)); | |
| 828 | TEST_BCD(aas, 0x123405fa, 0, (CC_C | CC_A)); | |
| 829 | ||
| 830 | TEST_BCD(aam, 0x12340547, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)); | |
| 831 | TEST_BCD(aad, 0x12340407, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)); | |
| 832 | } | |
| 833 | ||
| e5918247 FB |
834 | #define TEST_XCHG(op, size, opconst)\ |
| 835 | {\ | |
| 836 | int op0, op1;\ | |
| 837 | op0 = 0x12345678;\ | |
| 838 | op1 = 0xfbca7654;\ | |
| 839 | asm(#op " %" size "0, %" size "1" \ | |
| 840 | : "=q" (op0), opconst (op1) \ | |
| 841 | : "0" (op0), "1" (op1));\ | |
| 842 | printf("%-10s A=%08x B=%08x\n",\ | |
| 843 | #op, op0, op1);\ | |
| 844 | } | |
| 845 | ||
| 846 | #define TEST_CMPXCHG(op, size, opconst, eax)\ | |
| 847 | {\ | |
| 848 | int op0, op1;\ | |
| 849 | op0 = 0x12345678;\ | |
| 850 | op1 = 0xfbca7654;\ | |
| 851 | asm(#op " %" size "0, %" size "1" \ | |
| 852 | : "=q" (op0), opconst (op1) \ | |
| 853 | : "0" (op0), "1" (op1), "a" (eax));\ | |
| 854 | printf("%-10s EAX=%08x A=%08x C=%08x\n",\ | |
| 855 | #op, eax, op0, op1);\ | |
| 856 | } | |
| 857 | ||
| 858 | void test_xchg(void) | |
| 859 | { | |
| 860 | TEST_XCHG(xchgl, "", "=q"); | |
| 861 | TEST_XCHG(xchgw, "w", "=q"); | |
| 862 | TEST_XCHG(xchgb, "b", "=q"); | |
| 863 | ||
| 864 | TEST_XCHG(xchgl, "", "=m"); | |
| 865 | TEST_XCHG(xchgw, "w", "=m"); | |
| 866 | TEST_XCHG(xchgb, "b", "=m"); | |
| 867 | ||
| 868 | TEST_XCHG(xaddl, "", "=q"); | |
| 869 | TEST_XCHG(xaddw, "w", "=q"); | |
| 870 | TEST_XCHG(xaddb, "b", "=q"); | |
| 871 | ||
| d575b78a FB |
872 | { |
| 873 | int res; | |
| 874 | res = 0x12345678; | |
| 875 | asm("xaddl %1, %0" : "=r" (res) : "0" (res)); | |
| 876 | printf("xaddl same res=%08x\n", res); | |
| 877 | } | |
| 878 | ||
| e5918247 FB |
879 | TEST_XCHG(xaddl, "", "=m"); |
| 880 | TEST_XCHG(xaddw, "w", "=m"); | |
| 881 | TEST_XCHG(xaddb, "b", "=m"); | |
| 882 | ||
| 883 | TEST_CMPXCHG(cmpxchgl, "", "=q", 0xfbca7654); | |
| 884 | TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfbca7654); | |
| 885 | TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfbca7654); | |
| 886 | ||
| 887 | TEST_CMPXCHG(cmpxchgl, "", "=q", 0xfffefdfc); | |
| 888 | TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfffefdfc); | |
| 889 | TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfffefdfc); | |
| 890 | ||
| 891 | TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfbca7654); | |
| 892 | TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfbca7654); | |
| 893 | TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfbca7654); | |
| 894 | ||
| 895 | TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfffefdfc); | |
| 896 | TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfffefdfc); | |
| 897 | TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfffefdfc); | |
| d575b78a FB |
898 | |
| 899 | { | |
| 900 | uint64_t op0, op1, op2; | |
| 901 | int i, eflags; | |
| 902 | ||
| 903 | for(i = 0; i < 2; i++) { | |
| 904 | op0 = 0x123456789abcd; | |
| 905 | if (i == 0) | |
| 906 | op1 = 0xfbca765423456; | |
| 907 | else | |
| 908 | op1 = op0; | |
| 909 | op2 = 0x6532432432434; | |
| 910 | asm("cmpxchg8b %1\n" | |
| 911 | "pushf\n" | |
| 912 | "popl %2\n" | |
| 913 | : "=A" (op0), "=m" (op1), "=g" (eflags) | |
| 914 | : "0" (op0), "m" (op1), "b" ((int)op2), "c" ((int)(op2 >> 32))); | |
| 915 | printf("cmpxchg8b: op0=%016llx op1=%016llx CC=%02x\n", | |
| 916 | op0, op1, eflags & CC_Z); | |
| 917 | } | |
| 918 | } | |
| e5918247 FB |
919 | } |
| 920 | ||
| 6dbad63e FB |
921 | /**********************************************/ |
| 922 | /* segmentation tests */ | |
| 923 | ||
| 924 | #include <asm/ldt.h> | |
| 925 | #include <linux/unistd.h> | |
| 73bdea19 | 926 | #include <linux/version.h> |
| 6dbad63e FB |
927 | |
| 928 | _syscall3(int, modify_ldt, int, func, void *, ptr, unsigned long, bytecount) | |
| 929 | ||
| 73bdea19 FB |
930 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 66) |
| 931 | #define modify_ldt_ldt_s user_desc | |
| 932 | #endif | |
| 933 | ||
| 6dbad63e FB |
934 | uint8_t seg_data1[4096]; |
| 935 | uint8_t seg_data2[4096]; | |
| 936 | ||
| e5918247 | 937 | #define MK_SEL(n) (((n) << 3) | 7) |
| 6dbad63e | 938 | |
| 288426fe FB |
939 | #define TEST_LR(op, size, seg, mask)\ |
| 940 | {\ | |
| 941 | int res, res2;\ | |
| 942 | res = 0x12345678;\ | |
| 943 | asm (op " %" size "2, %" size "0\n" \ | |
| 944 | "movl $0, %1\n"\ | |
| 945 | "jnz 1f\n"\ | |
| 946 | "movl $1, %1\n"\ | |
| 947 | "1:\n"\ | |
| 948 | : "=r" (res), "=r" (res2) : "m" (seg), "0" (res));\ | |
| 949 | printf(op ": Z=%d %08x\n", res2, res & ~(mask));\ | |
| 950 | } | |
| 951 | ||
| 6dbad63e FB |
952 | /* NOTE: we use Linux modify_ldt syscall */ |
| 953 | void test_segs(void) | |
| 954 | { | |
| 955 | struct modify_ldt_ldt_s ldt; | |
| 956 | long long ldt_table[3]; | |
| 04369ff2 | 957 | int res, res2; |
| 6dbad63e | 958 | char tmp; |
| e1d4294a FB |
959 | struct { |
| 960 | uint32_t offset; | |
| 961 | uint16_t seg; | |
| 962 | } __attribute__((packed)) segoff; | |
| 6dbad63e FB |
963 | |
| 964 | ldt.entry_number = 1; | |
| 965 | ldt.base_addr = (unsigned long)&seg_data1; | |
| 966 | ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12; | |
| 967 | ldt.seg_32bit = 1; | |
| 968 | ldt.contents = MODIFY_LDT_CONTENTS_DATA; | |
| 969 | ldt.read_exec_only = 0; | |
| 970 | ldt.limit_in_pages = 1; | |
| 971 | ldt.seg_not_present = 0; | |
| 972 | ldt.useable = 1; | |
| 973 | modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ | |
| 974 | ||
| 975 | ldt.entry_number = 2; | |
| 976 | ldt.base_addr = (unsigned long)&seg_data2; | |
| 977 | ldt.limit = (sizeof(seg_data2) + 0xfff) >> 12; | |
| 978 | ldt.seg_32bit = 1; | |
| 979 | ldt.contents = MODIFY_LDT_CONTENTS_DATA; | |
| 980 | ldt.read_exec_only = 0; | |
| 981 | ldt.limit_in_pages = 1; | |
| 982 | ldt.seg_not_present = 0; | |
| 983 | ldt.useable = 1; | |
| 984 | modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ | |
| 985 | ||
| 986 | modify_ldt(0, &ldt_table, sizeof(ldt_table)); /* read ldt entries */ | |
| 04369ff2 FB |
987 | #if 0 |
| 988 | { | |
| 989 | int i; | |
| 990 | for(i=0;i<3;i++) | |
| 991 | printf("%d: %016Lx\n", i, ldt_table[i]); | |
| 992 | } | |
| 993 | #endif | |
| 6dbad63e FB |
994 | /* do some tests with fs or gs */ |
| 995 | asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1))); | |
| 6dbad63e FB |
996 | |
| 997 | seg_data1[1] = 0xaa; | |
| 998 | seg_data2[1] = 0x55; | |
| 999 | ||
| 1000 | asm volatile ("fs movzbl 0x1, %0" : "=r" (res)); | |
| 1001 | printf("FS[1] = %02x\n", res); | |
| 1002 | ||
| 070893f4 FB |
1003 | asm volatile ("pushl %%gs\n" |
| 1004 | "movl %1, %%gs\n" | |
| 1005 | "gs movzbl 0x1, %0\n" | |
| 1006 | "popl %%gs\n" | |
| 1007 | : "=r" (res) | |
| 1008 | : "r" (MK_SEL(2))); | |
| 6dbad63e FB |
1009 | printf("GS[1] = %02x\n", res); |
| 1010 | ||
| 1011 | /* tests with ds/ss (implicit segment case) */ | |
| 1012 | tmp = 0xa5; | |
| 1013 | asm volatile ("pushl %%ebp\n\t" | |
| 1014 | "pushl %%ds\n\t" | |
| 1015 | "movl %2, %%ds\n\t" | |
| 1016 | "movl %3, %%ebp\n\t" | |
| 1017 | "movzbl 0x1, %0\n\t" | |
| 1018 | "movzbl (%%ebp), %1\n\t" | |
| 1019 | "popl %%ds\n\t" | |
| 1020 | "popl %%ebp\n\t" | |
| 1021 | : "=r" (res), "=r" (res2) | |
| 1022 | : "r" (MK_SEL(1)), "r" (&tmp)); | |
| 1023 | printf("DS[1] = %02x\n", res); | |
| 1024 | printf("SS[tmp] = %02x\n", res2); | |
| e1d4294a FB |
1025 | |
| 1026 | segoff.seg = MK_SEL(2); | |
| 1027 | segoff.offset = 0xabcdef12; | |
| 1028 | asm volatile("lfs %2, %0\n\t" | |
| 1029 | "movl %%fs, %1\n\t" | |
| 1030 | : "=r" (res), "=g" (res2) | |
| 1031 | : "m" (segoff)); | |
| 1032 | printf("FS:reg = %04x:%08x\n", res2, res); | |
| 288426fe FB |
1033 | |
| 1034 | TEST_LR("larw", "w", MK_SEL(2), 0x0100); | |
| 1035 | TEST_LR("larl", "", MK_SEL(2), 0x0100); | |
| 1036 | TEST_LR("lslw", "w", MK_SEL(2), 0); | |
| 1037 | TEST_LR("lsll", "", MK_SEL(2), 0); | |
| 1038 | ||
| 1039 | TEST_LR("larw", "w", 0xfff8, 0); | |
| 1040 | TEST_LR("larl", "", 0xfff8, 0); | |
| 1041 | TEST_LR("lslw", "w", 0xfff8, 0); | |
| 1042 | TEST_LR("lsll", "", 0xfff8, 0); | |
| 6dbad63e | 1043 | } |
| 55480af8 | 1044 | |
| e5918247 FB |
1045 | /* 16 bit code test */ |
| 1046 | extern char code16_start, code16_end; | |
| 1047 | extern char code16_func1; | |
| 1048 | extern char code16_func2; | |
| 1049 | extern char code16_func3; | |
| a300e691 | 1050 | |
| e5918247 | 1051 | void test_code16(void) |
| 1a9353d2 | 1052 | { |
| e5918247 FB |
1053 | struct modify_ldt_ldt_s ldt; |
| 1054 | int res, res2; | |
| a300e691 | 1055 | |
| e5918247 FB |
1056 | /* build a code segment */ |
| 1057 | ldt.entry_number = 1; | |
| 1058 | ldt.base_addr = (unsigned long)&code16_start; | |
| 1059 | ldt.limit = &code16_end - &code16_start; | |
| 1060 | ldt.seg_32bit = 0; | |
| 1061 | ldt.contents = MODIFY_LDT_CONTENTS_CODE; | |
| 1062 | ldt.read_exec_only = 0; | |
| 1063 | ldt.limit_in_pages = 0; | |
| 1064 | ldt.seg_not_present = 0; | |
| 1065 | ldt.useable = 1; | |
| 1066 | modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ | |
| a300e691 | 1067 | |
| e5918247 FB |
1068 | /* call the first function */ |
| 1069 | asm volatile ("lcall %1, %2" | |
| 1070 | : "=a" (res) | |
| 1071 | : "i" (MK_SEL(1)), "i" (&code16_func1): "memory", "cc"); | |
| 1072 | printf("func1() = 0x%08x\n", res); | |
| 1073 | asm volatile ("lcall %2, %3" | |
| 1074 | : "=a" (res), "=c" (res2) | |
| 1075 | : "i" (MK_SEL(1)), "i" (&code16_func2): "memory", "cc"); | |
| 1076 | printf("func2() = 0x%08x spdec=%d\n", res, res2); | |
| 1077 | asm volatile ("lcall %1, %2" | |
| 1078 | : "=a" (res) | |
| 1079 | : "i" (MK_SEL(1)), "i" (&code16_func3): "memory", "cc"); | |
| 1080 | printf("func3() = 0x%08x\n", res); | |
| 1a9353d2 FB |
1081 | } |
| 1082 | ||
| dd3587f3 FB |
1083 | extern char func_lret32; |
| 1084 | extern char func_iret32; | |
| 1085 | ||
| e1d4294a FB |
1086 | void test_misc(void) |
| 1087 | { | |
| 1088 | char table[256]; | |
| 1089 | int res, i; | |
| 1090 | ||
| 1091 | for(i=0;i<256;i++) table[i] = 256 - i; | |
| 1092 | res = 0x12345678; | |
| 1093 | asm ("xlat" : "=a" (res) : "b" (table), "0" (res)); | |
| 1094 | printf("xlat: EAX=%08x\n", res); | |
| dd3587f3 FB |
1095 | |
| 1096 | asm volatile ("pushl %%cs ; call %1" | |
| 1097 | : "=a" (res) | |
| 1098 | : "m" (func_lret32): "memory", "cc"); | |
| 1099 | printf("func_lret32=%x\n", res); | |
| 1100 | ||
| 1101 | asm volatile ("pushfl ; pushl %%cs ; call %1" | |
| 1102 | : "=a" (res) | |
| 1103 | : "m" (func_iret32): "memory", "cc"); | |
| 1104 | printf("func_iret32=%x\n", res); | |
| 1105 | ||
| 1106 | /* specific popl test */ | |
| 1107 | asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popl (%%esp) ; popl %0" | |
| 1108 | : "=g" (res)); | |
| 1109 | printf("popl esp=%x\n", res); | |
| b2b5fb22 FB |
1110 | |
| 1111 | /* specific popw test */ | |
| 1112 | asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popw (%%esp) ; addl $2, %%esp ; popl %0" | |
| 1113 | : "=g" (res)); | |
| 1114 | printf("popw esp=%x\n", res); | |
| e1d4294a FB |
1115 | } |
| 1116 | ||
| 1117 | uint8_t str_buffer[4096]; | |
| 1118 | ||
| 1119 | #define TEST_STRING1(OP, size, DF, REP)\ | |
| 1120 | {\ | |
| 1121 | int esi, edi, eax, ecx, eflags;\ | |
| 1122 | \ | |
| 1123 | esi = (long)(str_buffer + sizeof(str_buffer) / 2);\ | |
| 1124 | edi = (long)(str_buffer + sizeof(str_buffer) / 2) + 16;\ | |
| 1125 | eax = 0x12345678;\ | |
| 1126 | ecx = 17;\ | |
| 1127 | \ | |
| 1128 | asm volatile ("pushl $0\n\t"\ | |
| 1129 | "popf\n\t"\ | |
| 1130 | DF "\n\t"\ | |
| 1131 | REP #OP size "\n\t"\ | |
| 1132 | "cld\n\t"\ | |
| 1133 | "pushf\n\t"\ | |
| 1134 | "popl %4\n\t"\ | |
| 1135 | : "=S" (esi), "=D" (edi), "=a" (eax), "=c" (ecx), "=g" (eflags)\ | |
| 1136 | : "0" (esi), "1" (edi), "2" (eax), "3" (ecx));\ | |
| 1137 | printf("%-10s ESI=%08x EDI=%08x EAX=%08x ECX=%08x EFL=%04x\n",\ | |
| 1138 | REP #OP size, esi, edi, eax, ecx,\ | |
| 1139 | eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));\ | |
| 1140 | } | |
| 1141 | ||
| 1142 | #define TEST_STRING(OP, REP)\ | |
| 1143 | TEST_STRING1(OP, "b", "", REP);\ | |
| 1144 | TEST_STRING1(OP, "w", "", REP);\ | |
| 1145 | TEST_STRING1(OP, "l", "", REP);\ | |
| 1146 | TEST_STRING1(OP, "b", "std", REP);\ | |
| 1147 | TEST_STRING1(OP, "w", "std", REP);\ | |
| 1148 | TEST_STRING1(OP, "l", "std", REP) | |
| 1149 | ||
| 1150 | void test_string(void) | |
| 1151 | { | |
| 1152 | int i; | |
| 1153 | for(i = 0;i < sizeof(str_buffer); i++) | |
| 1154 | str_buffer[i] = i + 0x56; | |
| 1155 | TEST_STRING(stos, ""); | |
| 1156 | TEST_STRING(stos, "rep "); | |
| 1157 | TEST_STRING(lods, ""); /* to verify stos */ | |
| 1158 | TEST_STRING(lods, "rep "); | |
| 1159 | TEST_STRING(movs, ""); | |
| 1160 | TEST_STRING(movs, "rep "); | |
| 1161 | TEST_STRING(lods, ""); /* to verify stos */ | |
| 1162 | ||
| 1163 | /* XXX: better tests */ | |
| 1164 | TEST_STRING(scas, ""); | |
| 1165 | TEST_STRING(scas, "repz "); | |
| 1166 | TEST_STRING(scas, "repnz "); | |
| 1167 | TEST_STRING(cmps, ""); | |
| 1168 | TEST_STRING(cmps, "repz "); | |
| 1169 | TEST_STRING(cmps, "repnz "); | |
| 1170 | } | |
| e5918247 | 1171 | |
| 3a27ad0b FB |
1172 | /* VM86 test */ |
| 1173 | ||
| 1174 | static inline void set_bit(uint8_t *a, unsigned int bit) | |
| 1175 | { | |
| 1176 | a[bit / 8] |= (1 << (bit % 8)); | |
| 1177 | } | |
| 1178 | ||
| 1179 | static inline uint8_t *seg_to_linear(unsigned int seg, unsigned int reg) | |
| 1180 | { | |
| 1181 | return (uint8_t *)((seg << 4) + (reg & 0xffff)); | |
| 1182 | } | |
| 1183 | ||
| 1184 | static inline void pushw(struct vm86_regs *r, int val) | |
| 1185 | { | |
| 1186 | r->esp = (r->esp & ~0xffff) | ((r->esp - 2) & 0xffff); | |
| 1187 | *(uint16_t *)seg_to_linear(r->ss, r->esp) = val; | |
| 1188 | } | |
| 1189 | ||
| 1190 | #undef __syscall_return | |
| 1191 | #define __syscall_return(type, res) \ | |
| 1192 | do { \ | |
| 1193 | return (type) (res); \ | |
| 1194 | } while (0) | |
| 1195 | ||
| 1196 | _syscall2(int, vm86, int, func, struct vm86plus_struct *, v86) | |
| 1197 | ||
| 1198 | extern char vm86_code_start; | |
| 1199 | extern char vm86_code_end; | |
| 1200 | ||
| 1201 | #define VM86_CODE_CS 0x100 | |
| 1202 | #define VM86_CODE_IP 0x100 | |
| 1203 | ||
| 1204 | void test_vm86(void) | |
| 1205 | { | |
| 1206 | struct vm86plus_struct ctx; | |
| 1207 | struct vm86_regs *r; | |
| 1208 | uint8_t *vm86_mem; | |
| 1209 | int seg, ret; | |
| 1210 | ||
| 1211 | vm86_mem = mmap((void *)0x00000000, 0x110000, | |
| 1212 | PROT_WRITE | PROT_READ | PROT_EXEC, | |
| 1213 | MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0); | |
| 1214 | if (vm86_mem == MAP_FAILED) { | |
| 1215 | printf("ERROR: could not map vm86 memory"); | |
| 1216 | return; | |
| 1217 | } | |
| 1218 | memset(&ctx, 0, sizeof(ctx)); | |
| 1219 | ||
| 1220 | /* init basic registers */ | |
| 1221 | r = &ctx.regs; | |
| 1222 | r->eip = VM86_CODE_IP; | |
| 1223 | r->esp = 0xfffe; | |
| 1224 | seg = VM86_CODE_CS; | |
| 1225 | r->cs = seg; | |
| 1226 | r->ss = seg; | |
| 1227 | r->ds = seg; | |
| 1228 | r->es = seg; | |
| 1229 | r->fs = seg; | |
| 1230 | r->gs = seg; | |
| 1231 | r->eflags = VIF_MASK; | |
| 1232 | ||
| 1233 | /* move code to proper address. We use the same layout as a .com | |
| 1234 | dos program. */ | |
| 1235 | memcpy(vm86_mem + (VM86_CODE_CS << 4) + VM86_CODE_IP, | |
| 1236 | &vm86_code_start, &vm86_code_end - &vm86_code_start); | |
| 1237 | ||
| 1238 | /* mark int 0x21 as being emulated */ | |
| 1239 | set_bit((uint8_t *)&ctx.int_revectored, 0x21); | |
| 1240 | ||
| 1241 | for(;;) { | |
| 1242 | ret = vm86(VM86_ENTER, &ctx); | |
| 1243 | switch(VM86_TYPE(ret)) { | |
| 1244 | case VM86_INTx: | |
| 1245 | { | |
| 3ff0631e | 1246 | int int_num, ah, v; |
| 3a27ad0b FB |
1247 | |
| 1248 | int_num = VM86_ARG(ret); | |
| 1249 | if (int_num != 0x21) | |
| 1250 | goto unknown_int; | |
| 1251 | ah = (r->eax >> 8) & 0xff; | |
| 1252 | switch(ah) { | |
| 1253 | case 0x00: /* exit */ | |
| 1254 | goto the_end; | |
| 1255 | case 0x02: /* write char */ | |
| 1256 | { | |
| 1257 | uint8_t c = r->edx; | |
| 1258 | putchar(c); | |
| 1259 | } | |
| 1260 | break; | |
| 1261 | case 0x09: /* write string */ | |
| 1262 | { | |
| 1263 | uint8_t c, *ptr; | |
| 1264 | ptr = seg_to_linear(r->ds, r->edx); | |
| 1265 | for(;;) { | |
| 1266 | c = *ptr++; | |
| 1267 | if (c == '$') | |
| 1268 | break; | |
| 1269 | putchar(c); | |
| 1270 | } | |
| 1271 | r->eax = (r->eax & ~0xff) | '$'; | |
| 1272 | } | |
| 1273 | break; | |
| 3ff0631e FB |
1274 | case 0xff: /* extension: write eflags number in edx */ |
| 1275 | v = (int)r->edx; | |
| 1276 | #ifndef LINUX_VM86_IOPL_FIX | |
| 1277 | v &= ~0x3000; | |
| 1278 | #endif | |
| 1279 | printf("%08x\n", v); | |
| 3a27ad0b FB |
1280 | break; |
| 1281 | default: | |
| 1282 | unknown_int: | |
| 1283 | printf("unsupported int 0x%02x\n", int_num); | |
| 1284 | goto the_end; | |
| 1285 | } | |
| 1286 | } | |
| 1287 | break; | |
| 1288 | case VM86_SIGNAL: | |
| 1289 | /* a signal came, we just ignore that */ | |
| 1290 | break; | |
| 1291 | case VM86_STI: | |
| 1292 | break; | |
| 1293 | default: | |
| 1294 | printf("ERROR: unhandled vm86 return code (0x%x)\n", ret); | |
| 1295 | goto the_end; | |
| 1296 | } | |
| 1297 | } | |
| 1298 | the_end: | |
| 1299 | printf("VM86 end\n"); | |
| 1300 | munmap(vm86_mem, 0x110000); | |
| 1301 | } | |
| 1302 | ||
| 1303 | /* exception tests */ | |
| 1304 | #ifndef REG_EAX | |
| 1305 | #define REG_EAX EAX | |
| 1306 | #define REG_EBX EBX | |
| 1307 | #define REG_ECX ECX | |
| 1308 | #define REG_EDX EDX | |
| 1309 | #define REG_ESI ESI | |
| 1310 | #define REG_EDI EDI | |
| 1311 | #define REG_EBP EBP | |
| 1312 | #define REG_ESP ESP | |
| 1313 | #define REG_EIP EIP | |
| 1314 | #define REG_EFL EFL | |
| 1315 | #define REG_TRAPNO TRAPNO | |
| 1316 | #define REG_ERR ERR | |
| 1317 | #endif | |
| 1318 | ||
| 1319 | jmp_buf jmp_env; | |
| 3a27ad0b FB |
1320 | int v1; |
| 1321 | int tab[2]; | |
| 1322 | ||
| 1323 | void sig_handler(int sig, siginfo_t *info, void *puc) | |
| 1324 | { | |
| 1325 | struct ucontext *uc = puc; | |
| 1326 | ||
| 1327 | printf("si_signo=%d si_errno=%d si_code=%d", | |
| 1328 | info->si_signo, info->si_errno, info->si_code); | |
| e3b32540 FB |
1329 | printf(" si_addr=0x%08lx", |
| 1330 | (unsigned long)info->si_addr); | |
| 3a27ad0b FB |
1331 | printf("\n"); |
| 1332 | ||
| 1333 | printf("trapno=0x%02x err=0x%08x", | |
| 1334 | uc->uc_mcontext.gregs[REG_TRAPNO], | |
| 1335 | uc->uc_mcontext.gregs[REG_ERR]); | |
| e3b32540 | 1336 | printf(" EIP=0x%08x", uc->uc_mcontext.gregs[REG_EIP]); |
| 3a27ad0b FB |
1337 | printf("\n"); |
| 1338 | longjmp(jmp_env, 1); | |
| 1339 | } | |
| 1340 | ||
| 1341 | void test_exceptions(void) | |
| 1342 | { | |
| e3b32540 | 1343 | struct modify_ldt_ldt_s ldt; |
| 3a27ad0b FB |
1344 | struct sigaction act; |
| 1345 | volatile int val; | |
| 1346 | ||
| 1347 | act.sa_sigaction = sig_handler; | |
| 1348 | sigemptyset(&act.sa_mask); | |
| 1349 | act.sa_flags = SA_SIGINFO; | |
| 1350 | sigaction(SIGFPE, &act, NULL); | |
| 1351 | sigaction(SIGILL, &act, NULL); | |
| 1352 | sigaction(SIGSEGV, &act, NULL); | |
| e3b32540 | 1353 | sigaction(SIGBUS, &act, NULL); |
| 3a27ad0b FB |
1354 | sigaction(SIGTRAP, &act, NULL); |
| 1355 | ||
| 1356 | /* test division by zero reporting */ | |
| e3b32540 | 1357 | printf("DIVZ exception:\n"); |
| 3a27ad0b FB |
1358 | if (setjmp(jmp_env) == 0) { |
| 1359 | /* now divide by zero */ | |
| 1360 | v1 = 0; | |
| 1361 | v1 = 2 / v1; | |
| 1362 | } | |
| 1363 | ||
| e3b32540 | 1364 | printf("BOUND exception:\n"); |
| 3a27ad0b FB |
1365 | if (setjmp(jmp_env) == 0) { |
| 1366 | /* bound exception */ | |
| 1367 | tab[0] = 1; | |
| 1368 | tab[1] = 10; | |
| e82d8ade | 1369 | asm volatile ("bound %0, %1" : : "r" (11), "m" (tab[0])); |
| 3a27ad0b FB |
1370 | } |
| 1371 | ||
| e3b32540 FB |
1372 | printf("segment exceptions:\n"); |
| 1373 | if (setjmp(jmp_env) == 0) { | |
| 1374 | /* load an invalid segment */ | |
| 1375 | asm volatile ("movl %0, %%fs" : : "r" ((0x1234 << 3) | 1)); | |
| 1376 | } | |
| 1377 | if (setjmp(jmp_env) == 0) { | |
| 1378 | /* null data segment is valid */ | |
| 1379 | asm volatile ("movl %0, %%fs" : : "r" (3)); | |
| 1380 | /* null stack segment */ | |
| 1381 | asm volatile ("movl %0, %%ss" : : "r" (3)); | |
| 1382 | } | |
| 1383 | ||
| 1384 | ldt.entry_number = 1; | |
| 1385 | ldt.base_addr = (unsigned long)&seg_data1; | |
| 1386 | ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12; | |
| 1387 | ldt.seg_32bit = 1; | |
| 1388 | ldt.contents = MODIFY_LDT_CONTENTS_DATA; | |
| 1389 | ldt.read_exec_only = 0; | |
| 1390 | ldt.limit_in_pages = 1; | |
| 1391 | ldt.seg_not_present = 1; | |
| 1392 | ldt.useable = 1; | |
| 1393 | modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ | |
| 1394 | ||
| 1395 | if (setjmp(jmp_env) == 0) { | |
| 1396 | /* segment not present */ | |
| 1397 | asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1))); | |
| 1398 | } | |
| 1399 | ||
| 3a27ad0b | 1400 | /* test SEGV reporting */ |
| e3b32540 | 1401 | printf("PF exception:\n"); |
| 3a27ad0b | 1402 | if (setjmp(jmp_env) == 0) { |
| e3b32540 | 1403 | val = 1; |
| ede28208 FB |
1404 | /* we add a nop to test a weird PC retrieval case */ |
| 1405 | asm volatile ("nop"); | |
| 3a27ad0b FB |
1406 | /* now store in an invalid address */ |
| 1407 | *(char *)0x1234 = 1; | |
| 1408 | } | |
| 1409 | ||
| 1410 | /* test SEGV reporting */ | |
| e3b32540 | 1411 | printf("PF exception:\n"); |
| 3a27ad0b | 1412 | if (setjmp(jmp_env) == 0) { |
| e3b32540 | 1413 | val = 1; |
| 3a27ad0b FB |
1414 | /* read from an invalid address */ |
| 1415 | v1 = *(char *)0x1234; | |
| 1416 | } | |
| 1417 | ||
| 3a27ad0b FB |
1418 | /* test illegal instruction reporting */ |
| 1419 | printf("UD2 exception:\n"); | |
| 1420 | if (setjmp(jmp_env) == 0) { | |
| 1421 | /* now execute an invalid instruction */ | |
| 1422 | asm volatile("ud2"); | |
| 1423 | } | |
| 4120b61d FB |
1424 | printf("lock nop exception:\n"); |
| 1425 | if (setjmp(jmp_env) == 0) { | |
| 1426 | /* now execute an invalid instruction */ | |
| 1427 | asm volatile("lock nop"); | |
| 1428 | } | |
| 3a27ad0b FB |
1429 | |
| 1430 | printf("INT exception:\n"); | |
| 1431 | if (setjmp(jmp_env) == 0) { | |
| 1432 | asm volatile ("int $0xfd"); | |
| 1433 | } | |
| e3b32540 FB |
1434 | if (setjmp(jmp_env) == 0) { |
| 1435 | asm volatile ("int $0x01"); | |
| 1436 | } | |
| 1437 | if (setjmp(jmp_env) == 0) { | |
| 1438 | asm volatile (".byte 0xcd, 0x03"); | |
| 1439 | } | |
| 1440 | if (setjmp(jmp_env) == 0) { | |
| 1441 | asm volatile ("int $0x04"); | |
| 1442 | } | |
| 1443 | if (setjmp(jmp_env) == 0) { | |
| 1444 | asm volatile ("int $0x05"); | |
| 1445 | } | |
| 3a27ad0b FB |
1446 | |
| 1447 | printf("INT3 exception:\n"); | |
| 1448 | if (setjmp(jmp_env) == 0) { | |
| 1449 | asm volatile ("int3"); | |
| 1450 | } | |
| 1451 | ||
| 1452 | printf("CLI exception:\n"); | |
| 1453 | if (setjmp(jmp_env) == 0) { | |
| 1454 | asm volatile ("cli"); | |
| 1455 | } | |
| 1456 | ||
| 1457 | printf("STI exception:\n"); | |
| 1458 | if (setjmp(jmp_env) == 0) { | |
| 1459 | asm volatile ("cli"); | |
| 1460 | } | |
| 1461 | ||
| 1462 | printf("INTO exception:\n"); | |
| 1463 | if (setjmp(jmp_env) == 0) { | |
| 1464 | /* overflow exception */ | |
| 1465 | asm volatile ("addl $1, %0 ; into" : : "r" (0x7fffffff)); | |
| 1466 | } | |
| 1467 | ||
| 1468 | printf("OUTB exception:\n"); | |
| 1469 | if (setjmp(jmp_env) == 0) { | |
| 1470 | asm volatile ("outb %%al, %%dx" : : "d" (0x4321), "a" (0)); | |
| 1471 | } | |
| 1472 | ||
| 1473 | printf("INB exception:\n"); | |
| 1474 | if (setjmp(jmp_env) == 0) { | |
| 1475 | asm volatile ("inb %%dx, %%al" : "=a" (val) : "d" (0x4321)); | |
| 1476 | } | |
| 1477 | ||
| 1478 | printf("REP OUTSB exception:\n"); | |
| 1479 | if (setjmp(jmp_env) == 0) { | |
| 1480 | asm volatile ("rep outsb" : : "d" (0x4321), "S" (tab), "c" (1)); | |
| 1481 | } | |
| 1482 | ||
| 1483 | printf("REP INSB exception:\n"); | |
| 1484 | if (setjmp(jmp_env) == 0) { | |
| 1485 | asm volatile ("rep insb" : : "d" (0x4321), "D" (tab), "c" (1)); | |
| 1486 | } | |
| 1487 | ||
| 1488 | printf("HLT exception:\n"); | |
| 1489 | if (setjmp(jmp_env) == 0) { | |
| 1490 | asm volatile ("hlt"); | |
| 1491 | } | |
| 1492 | ||
| 1493 | printf("single step exception:\n"); | |
| 1494 | val = 0; | |
| 1495 | if (setjmp(jmp_env) == 0) { | |
| 1496 | asm volatile ("pushf\n" | |
| 1497 | "orl $0x00100, (%%esp)\n" | |
| 1498 | "popf\n" | |
| 1499 | "movl $0xabcd, %0\n" | |
| 1500 | "movl $0x0, %0\n" : "=m" (val) : : "cc", "memory"); | |
| 1501 | } | |
| 1502 | printf("val=0x%x\n", val); | |
| 1503 | } | |
| 1504 | ||
| 3ff0631e FB |
1505 | /* specific precise single step test */ |
| 1506 | void sig_trap_handler(int sig, siginfo_t *info, void *puc) | |
| 1507 | { | |
| 1508 | struct ucontext *uc = puc; | |
| 1509 | printf("EIP=0x%08x\n", uc->uc_mcontext.gregs[REG_EIP]); | |
| 1510 | } | |
| 1511 | ||
| 1512 | const uint8_t sstep_buf1[4] = { 1, 2, 3, 4}; | |
| 1513 | uint8_t sstep_buf2[4]; | |
| 1514 | ||
| 1515 | void test_single_step(void) | |
| 1516 | { | |
| 1517 | struct sigaction act; | |
| 1518 | volatile int val; | |
| 1519 | int i; | |
| 1520 | ||
| 1521 | val = 0; | |
| 1522 | act.sa_sigaction = sig_trap_handler; | |
| 1523 | sigemptyset(&act.sa_mask); | |
| 1524 | act.sa_flags = SA_SIGINFO; | |
| 1525 | sigaction(SIGTRAP, &act, NULL); | |
| 1526 | asm volatile ("pushf\n" | |
| 1527 | "orl $0x00100, (%%esp)\n" | |
| 1528 | "popf\n" | |
| 1529 | "movl $0xabcd, %0\n" | |
| 1530 | ||
| 1531 | /* jmp test */ | |
| 1532 | "movl $3, %%ecx\n" | |
| 1533 | "1:\n" | |
| 1534 | "addl $1, %0\n" | |
| 1535 | "decl %%ecx\n" | |
| 1536 | "jnz 1b\n" | |
| 1537 | ||
| 1538 | /* movsb: the single step should stop at each movsb iteration */ | |
| 1539 | "movl $sstep_buf1, %%esi\n" | |
| 1540 | "movl $sstep_buf2, %%edi\n" | |
| 1541 | "movl $0, %%ecx\n" | |
| 1542 | "rep movsb\n" | |
| 1543 | "movl $3, %%ecx\n" | |
| 1544 | "rep movsb\n" | |
| 1545 | "movl $1, %%ecx\n" | |
| 1546 | "rep movsb\n" | |
| 1547 | ||
| 1548 | /* cmpsb: the single step should stop at each cmpsb iteration */ | |
| 1549 | "movl $sstep_buf1, %%esi\n" | |
| 1550 | "movl $sstep_buf2, %%edi\n" | |
| 1551 | "movl $0, %%ecx\n" | |
| 1552 | "rep cmpsb\n" | |
| 1553 | "movl $4, %%ecx\n" | |
| 1554 | "rep cmpsb\n" | |
| 1555 | ||
| 1556 | /* getpid() syscall: single step should skip one | |
| 1557 | instruction */ | |
| 1558 | "movl $20, %%eax\n" | |
| 1559 | "int $0x80\n" | |
| 1560 | "movl $0, %%eax\n" | |
| 1561 | ||
| 1562 | /* when modifying SS, trace is not done on the next | |
| 1563 | instruction */ | |
| 1564 | "movl %%ss, %%ecx\n" | |
| 1565 | "movl %%ecx, %%ss\n" | |
| 1566 | "addl $1, %0\n" | |
| 1567 | "movl $1, %%eax\n" | |
| 1568 | "movl %%ecx, %%ss\n" | |
| 1569 | "jmp 1f\n" | |
| 1570 | "addl $1, %0\n" | |
| 1571 | "1:\n" | |
| 1572 | "movl $1, %%eax\n" | |
| 1573 | "pushl %%ecx\n" | |
| 1574 | "popl %%ss\n" | |
| 1575 | "addl $1, %0\n" | |
| 1576 | "movl $1, %%eax\n" | |
| 1577 | ||
| 1578 | "pushf\n" | |
| 1579 | "andl $~0x00100, (%%esp)\n" | |
| 1580 | "popf\n" | |
| 1581 | : "=m" (val) | |
| 1582 | : | |
| 1583 | : "cc", "memory", "eax", "ecx", "esi", "edi"); | |
| 1584 | printf("val=%d\n", val); | |
| 1585 | for(i = 0; i < 4; i++) | |
| 1586 | printf("sstep_buf2[%d] = %d\n", i, sstep_buf2[i]); | |
| 1587 | } | |
| 1588 | ||
| 3a27ad0b FB |
1589 | /* self modifying code test */ |
| 1590 | uint8_t code[] = { | |
| 1591 | 0xb8, 0x1, 0x00, 0x00, 0x00, /* movl $1, %eax */ | |
| 1592 | 0xc3, /* ret */ | |
| 1593 | }; | |
| 1594 | ||
| 1190935d FB |
1595 | asm("smc_code2:\n" |
| 1596 | "movl 4(%esp), %eax\n" | |
| 1597 | "movl %eax, smc_patch_addr2 + 1\n" | |
| 1598 | "nop\n" | |
| 1599 | "nop\n" | |
| 1600 | "nop\n" | |
| 1601 | "nop\n" | |
| 1602 | "nop\n" | |
| 1603 | "nop\n" | |
| 1604 | "nop\n" | |
| 1605 | "nop\n" | |
| 1606 | "smc_patch_addr2:\n" | |
| 1607 | "movl $1, %eax\n" | |
| 1608 | "ret\n"); | |
| d1fe2b24 | 1609 | |
| 1190935d FB |
1610 | typedef int FuncType(void); |
| 1611 | extern int smc_code2(int); | |
| 3a27ad0b FB |
1612 | void test_self_modifying_code(void) |
| 1613 | { | |
| d1fe2b24 | 1614 | int i; |
| 3a27ad0b | 1615 | |
| 3a27ad0b | 1616 | printf("self modifying code:\n"); |
| d1fe2b24 FB |
1617 | printf("func1 = 0x%x\n", ((FuncType *)code)()); |
| 1618 | for(i = 2; i <= 4; i++) { | |
| 1619 | code[1] = i; | |
| 1620 | printf("func%d = 0x%x\n", i, ((FuncType *)code)()); | |
| 1621 | } | |
| 1190935d FB |
1622 | |
| 1623 | /* more difficult test : the modified code is just after the | |
| 1624 | modifying instruction. It is forbidden in Intel specs, but it | |
| 1625 | is used by old DOS programs */ | |
| 1626 | for(i = 2; i <= 4; i++) { | |
| 1627 | printf("smc_code2(%d) = %d\n", i, smc_code2(i)); | |
| 1628 | } | |
| 3a27ad0b | 1629 | } |
| 61a8c4ec FB |
1630 | |
| 1631 | int enter_stack[4096]; | |
| 1632 | ||
| 1633 | #define TEST_ENTER(size, stack_type, level)\ | |
| 1634 | {\ | |
| 1635 | int esp_save, esp_val, ebp_val, ebp_save, i;\ | |
| 1636 | stack_type *ptr, *stack_end, *stack_ptr;\ | |
| 1637 | memset(enter_stack, 0, sizeof(enter_stack));\ | |
| 1638 | stack_end = stack_ptr = (stack_type *)(enter_stack + 4096);\ | |
| 1639 | ebp_val = (long)stack_ptr;\ | |
| 1640 | for(i=1;i<=32;i++)\ | |
| 1641 | *--stack_ptr = i;\ | |
| 1642 | esp_val = (long)stack_ptr;\ | |
| 1643 | asm("movl %%esp, %[esp_save]\n"\ | |
| 1644 | "movl %%ebp, %[ebp_save]\n"\ | |
| 1645 | "movl %[esp_val], %%esp\n"\ | |
| 1646 | "movl %[ebp_val], %%ebp\n"\ | |
| 1647 | "enter" size " $12, $" #level "\n"\ | |
| 1648 | "movl %%esp, %[esp_val]\n"\ | |
| 1649 | "movl %%ebp, %[ebp_val]\n"\ | |
| 1650 | "movl %[esp_save], %%esp\n"\ | |
| 1651 | "movl %[ebp_save], %%ebp\n"\ | |
| 1652 | : [esp_save] "=r" (esp_save),\ | |
| 1653 | [ebp_save] "=r" (ebp_save),\ | |
| 1654 | [esp_val] "=r" (esp_val),\ | |
| 1655 | [ebp_val] "=r" (ebp_val)\ | |
| 1656 | : "[esp_val]" (esp_val),\ | |
| 1657 | "[ebp_val]" (ebp_val));\ | |
| 1658 | printf("level=%d:\n", level);\ | |
| 1659 | printf("esp_val=0x%08lx\n", esp_val - (long)stack_end);\ | |
| 1660 | printf("ebp_val=0x%08lx\n", ebp_val - (long)stack_end);\ | |
| 1661 | for(ptr = (stack_type *)esp_val; ptr < stack_end; ptr++)\ | |
| 1662 | printf("%08x\n", ptr[0]);\ | |
| 1663 | } | |
| 1664 | ||
| 1665 | static void test_enter(void) | |
| 1666 | { | |
| 1667 | TEST_ENTER("l", uint32_t, 0); | |
| 1668 | TEST_ENTER("l", uint32_t, 1); | |
| 1669 | TEST_ENTER("l", uint32_t, 2); | |
| 1670 | TEST_ENTER("l", uint32_t, 31); | |
| 1671 | ||
| 1672 | TEST_ENTER("w", uint16_t, 0); | |
| 1673 | TEST_ENTER("w", uint16_t, 1); | |
| 1674 | TEST_ENTER("w", uint16_t, 2); | |
| 1675 | TEST_ENTER("w", uint16_t, 31); | |
| 1676 | } | |
| 1677 | ||
| 085339a1 FB |
1678 | #ifdef TEST_SSE |
| 1679 | ||
| 1680 | typedef int __m64 __attribute__ ((__mode__ (__V2SI__))); | |
| 1681 | typedef int __m128 __attribute__ ((__mode__(__V4SF__))); | |
| 1682 | ||
| 1683 | typedef union { | |
| 1684 | double d[2]; | |
| 1685 | float s[4]; | |
| 1686 | uint32_t l[4]; | |
| 1687 | uint64_t q[2]; | |
| 1688 | __m128 dq; | |
| 1689 | } XMMReg; | |
| 1690 | ||
| 1691 | static uint64_t __attribute__((aligned(16))) test_values[4][2] = { | |
| 1692 | { 0x456723c698694873, 0xdc515cff944a58ec }, | |
| 1693 | { 0x1f297ccd58bad7ab, 0x41f21efba9e3e146 }, | |
| 1694 | { 0x007c62c2085427f8, 0x231be9e8cde7438d }, | |
| 1695 | { 0x0f76255a085427f8, 0xc233e9e8c4c9439a }, | |
| 1696 | }; | |
| 1697 | ||
| 1698 | #define SSE_OP(op)\ | |
| 1699 | {\ | |
| 1700 | asm volatile (#op " %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\ | |
| 1701 | printf("%-9s: a=%016llx%016llx b=%016llx%016llx r=%016llx%016llx\n",\ | |
| 1702 | #op,\ | |
| 1703 | a.q[1], a.q[0],\ | |
| 1704 | b.q[1], b.q[0],\ | |
| 1705 | r.q[1], r.q[0]);\ | |
| 1706 | } | |
| 1707 | ||
| 1708 | #define SSE_OP2(op)\ | |
| 1709 | {\ | |
| 1710 | int i;\ | |
| 1711 | for(i=0;i<2;i++) {\ | |
| 1712 | a.q[0] = test_values[2*i][0];\ | |
| 1713 | a.q[1] = test_values[2*i][1];\ | |
| 1714 | b.q[0] = test_values[2*i+1][0];\ | |
| 1715 | b.q[1] = test_values[2*i+1][1];\ | |
| 1716 | SSE_OP(op);\ | |
| 1717 | }\ | |
| 1718 | } | |
| 1719 | ||
| 1720 | #define MMX_OP2(op)\ | |
| 1721 | {\ | |
| 1722 | int i;\ | |
| 1723 | for(i=0;i<2;i++) {\ | |
| 1724 | a.q[0] = test_values[2*i][0];\ | |
| 1725 | b.q[0] = test_values[2*i+1][0];\ | |
| 1726 | asm volatile (#op " %2, %0" : "=y" (r.q[0]) : "0" (a.q[0]), "y" (b.q[0]));\ | |
| 1727 | printf("%-9s: a=%016llx b=%016llx r=%016llx\n",\ | |
| 1728 | #op,\ | |
| 1729 | a.q[0],\ | |
| 1730 | b.q[0],\ | |
| 1731 | r.q[0]);\ | |
| 1732 | }\ | |
| 1733 | SSE_OP2(op);\ | |
| 1734 | } | |
| 1735 | ||
| 1736 | #define PSHUF_OP(op, ib)\ | |
| 1737 | {\ | |
| 1738 | int i;\ | |
| 1739 | for(i=0;i<2;i++) {\ | |
| 1740 | a.q[0] = test_values[2*i][0];\ | |
| 1741 | a.q[1] = test_values[2*i][1];\ | |
| 1742 | asm volatile (#op " $" #ib ", %1, %0" : "=x" (r.dq) : "x" (a.dq));\ | |
| 1743 | printf("%-9s: a=%016llx%016llx ib=%02x r=%016llx%016llx\n",\ | |
| 1744 | #op,\ | |
| 1745 | a.q[1], a.q[0],\ | |
| 1746 | ib,\ | |
| 1747 | r.q[1], r.q[0]);\ | |
| 1748 | }\ | |
| 1749 | } | |
| 1750 | ||
| 1751 | #define SHIFT_IM(op, ib)\ | |
| 1752 | {\ | |
| 1753 | int i;\ | |
| 1754 | for(i=0;i<2;i++) {\ | |
| 1755 | a.q[0] = test_values[2*i][0];\ | |
| 1756 | a.q[1] = test_values[2*i][1];\ | |
| 1757 | asm volatile (#op " $" #ib ", %0" : "=x" (r.dq) : "0" (a.dq));\ | |
| 1758 | printf("%-9s: a=%016llx%016llx ib=%02x r=%016llx%016llx\n",\ | |
| 1759 | #op,\ | |
| 1760 | a.q[1], a.q[0],\ | |
| 1761 | ib,\ | |
| 1762 | r.q[1], r.q[0]);\ | |
| 1763 | }\ | |
| 1764 | } | |
| 1765 | ||
| 1766 | #define SHIFT_OP(op, ib)\ | |
| 1767 | {\ | |
| 1768 | int i;\ | |
| 1769 | SHIFT_IM(op, ib);\ | |
| 1770 | for(i=0;i<2;i++) {\ | |
| 1771 | a.q[0] = test_values[2*i][0];\ | |
| 1772 | a.q[1] = test_values[2*i][1];\ | |
| 1773 | b.q[0] = ib;\ | |
| 1774 | b.q[1] = 0;\ | |
| 1775 | asm volatile (#op " %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\ | |
| 1776 | printf("%-9s: a=%016llx%016llx b=%016llx%016llx r=%016llx%016llx\n",\ | |
| 1777 | #op,\ | |
| 1778 | a.q[1], a.q[0],\ | |
| 1779 | b.q[1], b.q[0],\ | |
| 1780 | r.q[1], r.q[0]);\ | |
| 1781 | }\ | |
| 1782 | } | |
| 1783 | ||
| 1784 | #define MOVMSK(op)\ | |
| 1785 | {\ | |
| 1786 | int i, reg;\ | |
| 1787 | for(i=0;i<2;i++) {\ | |
| 1788 | a.q[0] = test_values[2*i][0];\ | |
| 1789 | a.q[1] = test_values[2*i][1];\ | |
| 1790 | asm volatile (#op " %1, %0" : "=r" (reg) : "x" (a.dq));\ | |
| 1791 | printf("%-9s: a=%016llx%016llx r=%08x\n",\ | |
| 1792 | #op,\ | |
| 1793 | a.q[1], a.q[0],\ | |
| 1794 | reg);\ | |
| 1795 | }\ | |
| 1796 | } | |
| 1797 | ||
| 1798 | #define SSE_OPS(a) \ | |
| 1799 | SSE_OP(a ## ps);\ | |
| 1800 | SSE_OP(a ## ss); | |
| 1801 | ||
| 1802 | #define SSE_OPD(a) \ | |
| 1803 | SSE_OP(a ## pd);\ | |
| 1804 | SSE_OP(a ## sd); | |
| 1805 | ||
| 1806 | #define SSE_COMI(op, field)\ | |
| 1807 | {\ | |
| 1808 | unsigned int eflags;\ | |
| 1809 | XMMReg a, b;\ | |
| 1810 | a.field[0] = a1;\ | |
| 1811 | b.field[0] = b1;\ | |
| 1812 | asm volatile (#op " %2, %1\n"\ | |
| 1813 | "pushf\n"\ | |
| 1814 | "pop %0\n"\ | |
| 1815 | : "=m" (eflags)\ | |
| 1816 | : "x" (a.dq), "x" (b.dq));\ | |
| 1817 | printf("%-9s: a=%f b=%f cc=%04x\n",\ | |
| 1818 | #op, a1, b1,\ | |
| 1819 | eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));\ | |
| 1820 | } | |
| 1821 | ||
| 1822 | void test_sse_comi(double a1, double b1) | |
| 1823 | { | |
| 1824 | SSE_COMI(ucomiss, s); | |
| 1825 | SSE_COMI(ucomisd, d); | |
| 1826 | SSE_COMI(comiss, s); | |
| 1827 | SSE_COMI(comisd, d); | |
| 1828 | } | |
| 1829 | ||
| 1830 | #define CVT_OP_XMM(op)\ | |
| 1831 | {\ | |
| 1832 | asm volatile (#op " %1, %0" : "=x" (r.dq) : "x" (a.dq));\ | |
| 1833 | printf("%-9s: a=%016llx%016llx r=%016llx%016llx\n",\ | |
| 1834 | #op,\ | |
| 1835 | a.q[1], a.q[0],\ | |
| 1836 | r.q[1], r.q[0]);\ | |
| 1837 | } | |
| 1838 | ||
| 1839 | #define CVT_OP_XMM2MMX(op)\ | |
| 1840 | {\ | |
| 1841 | asm volatile (#op " %1, %0" : "=y" (r.q[0]) : "x" (a.dq));\ | |
| 1842 | printf("%-9s: a=%016llx%016llx r=%016llx\n",\ | |
| 1843 | #op,\ | |
| 1844 | a.q[1], a.q[0],\ | |
| 1845 | r.q[0]);\ | |
| 1846 | } | |
| 1847 | ||
| 1848 | #define CVT_OP_MMX2XMM(op)\ | |
| 1849 | {\ | |
| 1850 | asm volatile (#op " %1, %0" : "=x" (r.dq) : "y" (a.q[0]));\ | |
| 1851 | printf("%-9s: a=%016llx r=%016llx%016llx\n",\ | |
| 1852 | #op,\ | |
| 1853 | a.q[0],\ | |
| 1854 | r.q[1], r.q[0]);\ | |
| 1855 | } | |
| 1856 | ||
| 1857 | #define CVT_OP_REG2XMM(op)\ | |
| 1858 | {\ | |
| 1859 | asm volatile (#op " %1, %0" : "=x" (r.dq) : "r" (a.l[0]));\ | |
| 1860 | printf("%-9s: a=%08x r=%016llx%016llx\n",\ | |
| 1861 | #op,\ | |
| 1862 | a.l[0],\ | |
| 1863 | r.q[1], r.q[0]);\ | |
| 1864 | } | |
| 1865 | ||
| 1866 | #define CVT_OP_XMM2REG(op)\ | |
| 1867 | {\ | |
| 1868 | asm volatile (#op " %1, %0" : "=r" (r.l[0]) : "x" (a.dq));\ | |
| 1869 | printf("%-9s: a=%016llx%016llx r=%08x\n",\ | |
| 1870 | #op,\ | |
| 1871 | a.q[1], a.q[0],\ | |
| 1872 | r.l[0]);\ | |
| 1873 | } | |
| 1874 | ||
| a4682cc2 FB |
1875 | struct fpxstate { |
| 1876 | uint16_t fpuc; | |
| 1877 | uint16_t fpus; | |
| 1878 | uint16_t fptag; | |
| 1879 | uint16_t fop; | |
| 1880 | uint32_t fpuip; | |
| 1881 | uint16_t cs_sel; | |
| 1882 | uint16_t dummy0; | |
| 1883 | uint32_t fpudp; | |
| 1884 | uint16_t ds_sel; | |
| 1885 | uint16_t dummy1; | |
| 1886 | uint32_t mxcsr; | |
| 1887 | uint32_t mxcsr_mask; | |
| 1888 | uint8_t fpregs1[8 * 16]; | |
| 1889 | uint8_t xmm_regs[8 * 16]; | |
| 1890 | uint8_t dummy2[224]; | |
| 1891 | }; | |
| 1892 | ||
| 1893 | static struct fpxstate fpx_state __attribute__((aligned(16))); | |
| 1894 | static struct fpxstate fpx_state2 __attribute__((aligned(16))); | |
| 1895 | ||
| 1896 | void test_fxsave(void) | |
| 1897 | { | |
| 1898 | struct fpxstate *fp = &fpx_state; | |
| 1899 | struct fpxstate *fp2 = &fpx_state2; | |
| 1900 | int i; | |
| 1901 | XMMReg a, b; | |
| 1902 | a.q[0] = test_values[0][0]; | |
| 1903 | a.q[1] = test_values[0][1]; | |
| 1904 | b.q[0] = test_values[1][0]; | |
| 1905 | b.q[1] = test_values[1][1]; | |
| 1906 | ||
| 1907 | asm("movdqa %2, %%xmm0\n" | |
| 1908 | "movdqa %3, %%xmm7\n" | |
| 1909 | " fld1\n" | |
| 1910 | " fldpi\n" | |
| 1911 | " fldln2\n" | |
| 1912 | " fxsave %0\n" | |
| 1913 | " fxrstor %0\n" | |
| 1914 | " fxsave %1\n" | |
| 1915 | " fninit\n" | |
| 1916 | : "=m" (*(uint32_t *)fp2), "=m" (*(uint32_t *)fp) | |
| 1917 | : "m" (a), "m" (b)); | |
| 1918 | printf("fpuc=%04x\n", fp->fpuc); | |
| 1919 | printf("fpus=%04x\n", fp->fpus); | |
| 1920 | printf("fptag=%04x\n", fp->fptag); | |
| 1921 | for(i = 0; i < 3; i++) { | |
| 1922 | printf("ST%d: %016llx %04x\n", | |
| 1923 | i, | |
| 1924 | *(uint64_t *)&fp->fpregs1[i * 16], | |
| 1925 | *(uint16_t *)&fp->fpregs1[i * 16 + 8]); | |
| 1926 | } | |
| 1927 | printf("mxcsr=%08x\n", fp->mxcsr & 0x1f80); | |
| 1928 | for(i = 0; i < 8; i++) { | |
| 1929 | printf("xmm%d: %016llx%016llx\n", | |
| 1930 | i, | |
| 1931 | *(uint64_t *)&fp->xmm_regs[i * 16], | |
| 1932 | *(uint64_t *)&fp->xmm_regs[i * 16 + 8]); | |
| 1933 | } | |
| 1934 | } | |
| 1935 | ||
| 085339a1 FB |
1936 | void test_sse(void) |
| 1937 | { | |
| 1938 | XMMReg r, a, b; | |
| 1939 | ||
| 1940 | MMX_OP2(punpcklbw); | |
| 1941 | MMX_OP2(punpcklwd); | |
| 1942 | MMX_OP2(punpckldq); | |
| 1943 | MMX_OP2(packsswb); | |
| 1944 | MMX_OP2(pcmpgtb); | |
| 1945 | MMX_OP2(pcmpgtw); | |
| 1946 | MMX_OP2(pcmpgtd); | |
| 1947 | MMX_OP2(packuswb); | |
| 1948 | MMX_OP2(punpckhbw); | |
| 1949 | MMX_OP2(punpckhwd); | |
| 1950 | MMX_OP2(punpckhdq); | |
| 1951 | MMX_OP2(packssdw); | |
| 1952 | MMX_OP2(pcmpeqb); | |
| 1953 | MMX_OP2(pcmpeqw); | |
| 1954 | MMX_OP2(pcmpeqd); | |
| 1955 | ||
| 1956 | MMX_OP2(paddq); | |
| 1957 | MMX_OP2(pmullw); | |
| 1958 | MMX_OP2(psubusb); | |
| 1959 | MMX_OP2(psubusw); | |
| 1960 | MMX_OP2(pminub); | |
| 1961 | MMX_OP2(pand); | |
| 1962 | MMX_OP2(paddusb); | |
| 1963 | MMX_OP2(paddusw); | |
| 1964 | MMX_OP2(pmaxub); | |
| 1965 | MMX_OP2(pandn); | |
| 1966 | ||
| 1967 | MMX_OP2(pmulhuw); | |
| 1968 | MMX_OP2(pmulhw); | |
| 1969 | ||
| 1970 | MMX_OP2(psubsb); | |
| 1971 | MMX_OP2(psubsw); | |
| 1972 | MMX_OP2(pminsw); | |
| 1973 | MMX_OP2(por); | |
| 1974 | MMX_OP2(paddsb); | |
| 1975 | MMX_OP2(paddsw); | |
| 1976 | MMX_OP2(pmaxsw); | |
| 1977 | MMX_OP2(pxor); | |
| 1978 | MMX_OP2(pmuludq); | |
| 1979 | MMX_OP2(pmaddwd); | |
| 1980 | MMX_OP2(psadbw); | |
| 1981 | MMX_OP2(psubb); | |
| 1982 | MMX_OP2(psubw); | |
| 1983 | MMX_OP2(psubd); | |
| 1984 | MMX_OP2(psubq); | |
| 1985 | MMX_OP2(paddb); | |
| 1986 | MMX_OP2(paddw); | |
| 1987 | MMX_OP2(paddd); | |
| 1988 | ||
| 1989 | MMX_OP2(pavgb); | |
| 1990 | MMX_OP2(pavgw); | |
| 1991 | ||
| 1992 | asm volatile ("pinsrw $1, %1, %0" : "=y" (r.q[0]) : "r" (0x12345678)); | |
| 1993 | printf("%-9s: r=%016llx\n", "pinsrw", r.q[0]); | |
| 1994 | ||
| 1995 | asm volatile ("pinsrw $5, %1, %0" : "=x" (r.dq) : "r" (0x12345678)); | |
| 1996 | printf("%-9s: r=%016llx%016llx\n", "pinsrw", r.q[1], r.q[0]); | |
| 1997 | ||
| 1998 | a.q[0] = test_values[0][0]; | |
| 1999 | a.q[1] = test_values[0][1]; | |
| 2000 | asm volatile ("pextrw $1, %1, %0" : "=r" (r.l[0]) : "y" (a.q[0])); | |
| 2001 | printf("%-9s: r=%08x\n", "pextrw", r.l[0]); | |
| 2002 | ||
| 2003 | asm volatile ("pextrw $5, %1, %0" : "=r" (r.l[0]) : "x" (a.dq)); | |
| 2004 | printf("%-9s: r=%08x\n", "pextrw", r.l[0]); | |
| 2005 | ||
| 2006 | asm volatile ("pmovmskb %1, %0" : "=r" (r.l[0]) : "y" (a.q[0])); | |
| 2007 | printf("%-9s: r=%08x\n", "pmovmskb", r.l[0]); | |
| 2008 | ||
| 2009 | asm volatile ("pmovmskb %1, %0" : "=r" (r.l[0]) : "x" (a.dq)); | |
| 2010 | printf("%-9s: r=%08x\n", "pmovmskb", r.l[0]); | |
| 2011 | ||
| 2012 | asm volatile ("emms"); | |
| 2013 | ||
| 2014 | SSE_OP2(punpcklqdq); | |
| 2015 | SSE_OP2(punpckhqdq); | |
| 2016 | SSE_OP2(andps); | |
| 2017 | SSE_OP2(andpd); | |
| 2018 | SSE_OP2(andnps); | |
| 2019 | SSE_OP2(andnpd); | |
| 2020 | SSE_OP2(orps); | |
| 2021 | SSE_OP2(orpd); | |
| 2022 | SSE_OP2(xorps); | |
| 2023 | SSE_OP2(xorpd); | |
| 2024 | ||
| 2025 | SSE_OP2(unpcklps); | |
| 2026 | SSE_OP2(unpcklpd); | |
| 2027 | SSE_OP2(unpckhps); | |
| 2028 | SSE_OP2(unpckhpd); | |
| 2029 | ||
| 2030 | PSHUF_OP(shufps, 0x78); | |
| 2031 | PSHUF_OP(shufpd, 0x02); | |
| 2032 | ||
| 2033 | PSHUF_OP(pshufd, 0x78); | |
| 2034 | PSHUF_OP(pshuflw, 0x78); | |
| 2035 | PSHUF_OP(pshufhw, 0x78); | |
| 2036 | ||
| 2037 | SHIFT_OP(psrlw, 7); | |
| 2038 | SHIFT_OP(psrlw, 16); | |
| 2039 | SHIFT_OP(psraw, 7); | |
| 2040 | SHIFT_OP(psraw, 16); | |
| 2041 | SHIFT_OP(psllw, 7); | |
| 2042 | SHIFT_OP(psllw, 16); | |
| 2043 | ||
| 2044 | SHIFT_OP(psrld, 7); | |
| 2045 | SHIFT_OP(psrld, 32); | |
| 2046 | SHIFT_OP(psrad, 7); | |
| 2047 | SHIFT_OP(psrad, 32); | |
| 2048 | SHIFT_OP(pslld, 7); | |
| 2049 | SHIFT_OP(pslld, 32); | |
| 2050 | ||
| 2051 | SHIFT_OP(psrlq, 7); | |
| 2052 | SHIFT_OP(psrlq, 32); | |
| 2053 | SHIFT_OP(psllq, 7); | |
| 2054 | SHIFT_OP(psllq, 32); | |
| 2055 | ||
| 2056 | SHIFT_IM(psrldq, 16); | |
| 2057 | SHIFT_IM(psrldq, 7); | |
| 2058 | SHIFT_IM(pslldq, 16); | |
| 2059 | SHIFT_IM(pslldq, 7); | |
| 2060 | ||
| 2061 | MOVMSK(movmskps); | |
| 2062 | MOVMSK(movmskpd); | |
| 2063 | ||
| 2064 | /* FPU specific ops */ | |
| 2065 | ||
| 2066 | { | |
| 2067 | uint32_t mxcsr; | |
| 2068 | asm volatile("stmxcsr %0" : "=m" (mxcsr)); | |
| 2069 | printf("mxcsr=%08x\n", mxcsr & 0x1f80); | |
| 2070 | asm volatile("ldmxcsr %0" : : "m" (mxcsr)); | |
| 2071 | } | |
| 2072 | ||
| 2073 | test_sse_comi(2, -1); | |
| 2074 | test_sse_comi(2, 2); | |
| 2075 | test_sse_comi(2, 3); | |
| 2076 | ||
| 2077 | a.s[0] = 2.7; | |
| 2078 | a.s[1] = 3.4; | |
| 2079 | a.s[2] = 4; | |
| 2080 | a.s[3] = -6.3; | |
| 2081 | b.s[0] = 45.7; | |
| 2082 | b.s[1] = 353.4; | |
| 2083 | b.s[2] = 4; | |
| 2084 | b.s[3] = 56.3; | |
| 2085 | SSE_OPS(add); | |
| 2086 | SSE_OPS(mul); | |
| 2087 | SSE_OPS(sub); | |
| 2088 | SSE_OPS(min); | |
| 2089 | SSE_OPS(div); | |
| 2090 | SSE_OPS(max); | |
| 2091 | SSE_OPS(sqrt); | |
| 2092 | SSE_OPS(cmpeq); | |
| 2093 | SSE_OPS(cmplt); | |
| 2094 | SSE_OPS(cmple); | |
| 2095 | SSE_OPS(cmpunord); | |
| 2096 | SSE_OPS(cmpneq); | |
| 2097 | SSE_OPS(cmpnlt); | |
| 2098 | SSE_OPS(cmpnle); | |
| 2099 | SSE_OPS(cmpord); | |
| 2100 | ||
| 2101 | a.d[0] = 2.7; | |
| 2102 | a.d[1] = -3.4; | |
| 2103 | b.d[0] = 45.7; | |
| 2104 | b.d[1] = -53.4; | |
| 2105 | SSE_OPD(add); | |
| 2106 | SSE_OPD(mul); | |
| 2107 | SSE_OPD(sub); | |
| 2108 | SSE_OPD(min); | |
| 2109 | SSE_OPD(div); | |
| 2110 | SSE_OPD(max); | |
| 2111 | SSE_OPD(sqrt); | |
| 2112 | SSE_OPD(cmpeq); | |
| 2113 | SSE_OPD(cmplt); | |
| 2114 | SSE_OPD(cmple); | |
| 2115 | SSE_OPD(cmpunord); | |
| 2116 | SSE_OPD(cmpneq); | |
| 2117 | SSE_OPD(cmpnlt); | |
| 2118 | SSE_OPD(cmpnle); | |
| 2119 | SSE_OPD(cmpord); | |
| 2120 | ||
| 2121 | /* float to float/int */ | |
| 2122 | a.s[0] = 2.7; | |
| 2123 | a.s[1] = 3.4; | |
| 2124 | a.s[2] = 4; | |
| 2125 | a.s[3] = -6.3; | |
| 2126 | CVT_OP_XMM(cvtps2pd); | |
| 2127 | CVT_OP_XMM(cvtss2sd); | |
| 2128 | CVT_OP_XMM2MMX(cvtps2pi); | |
| 2129 | CVT_OP_XMM2MMX(cvttps2pi); | |
| 2130 | CVT_OP_XMM2REG(cvtss2si); | |
| 2131 | CVT_OP_XMM2REG(cvttss2si); | |
| 2132 | CVT_OP_XMM(cvtps2dq); | |
| 2133 | CVT_OP_XMM(cvttps2dq); | |
| 2134 | ||
| 2135 | a.d[0] = 2.6; | |
| 2136 | a.d[1] = -3.4; | |
| 2137 | CVT_OP_XMM(cvtpd2ps); | |
| 2138 | CVT_OP_XMM(cvtsd2ss); | |
| 2139 | CVT_OP_XMM2MMX(cvtpd2pi); | |
| 2140 | CVT_OP_XMM2MMX(cvttpd2pi); | |
| 2141 | CVT_OP_XMM2REG(cvtsd2si); | |
| 2142 | CVT_OP_XMM2REG(cvttsd2si); | |
| 2143 | CVT_OP_XMM(cvtpd2dq); | |
| 2144 | CVT_OP_XMM(cvttpd2dq); | |
| 2145 | ||
| 2146 | /* int to float */ | |
| 2147 | a.l[0] = -6; | |
| 2148 | a.l[1] = 2; | |
| 2149 | a.l[2] = 100; | |
| 2150 | a.l[3] = -60000; | |
| 2151 | CVT_OP_MMX2XMM(cvtpi2ps); | |
| 2152 | CVT_OP_MMX2XMM(cvtpi2pd); | |
| 2153 | CVT_OP_REG2XMM(cvtsi2ss); | |
| 2154 | CVT_OP_REG2XMM(cvtsi2sd); | |
| 2155 | CVT_OP_XMM(cvtdq2ps); | |
| 2156 | CVT_OP_XMM(cvtdq2pd); | |
| 2157 | ||
| 2158 | /* XXX: test PNI insns */ | |
| 2159 | #if 0 | |
| 2160 | SSE_OP2(movshdup); | |
| 2161 | #endif | |
| a4682cc2 | 2162 | asm volatile ("emms"); |
| 085339a1 FB |
2163 | } |
| 2164 | ||
| 2165 | #endif | |
| 2166 | ||
| 4d1135e4 FB |
2167 | static void *call_end __init_call = NULL; |
| 2168 | ||
| 2169 | int main(int argc, char **argv) | |
| 2170 | { | |
| 2171 | void **ptr; | |
| 2172 | void (*func)(void); | |
| 4b74fe1f | 2173 | |
| 4d1135e4 FB |
2174 | ptr = &call_start + 1; |
| 2175 | while (*ptr != NULL) { | |
| 2176 | func = *ptr++; | |
| 2177 | func(); | |
| 2178 | } | |
| 9d8e9c09 | 2179 | test_bsx(); |
| d57c4e01 | 2180 | test_mul(); |
| 4d1135e4 | 2181 | test_jcc(); |
| 9d8e9c09 | 2182 | test_floats(); |
| 55480af8 | 2183 | test_bcd(); |
| 1a9353d2 | 2184 | test_xchg(); |
| e1d4294a FB |
2185 | test_string(); |
| 2186 | test_misc(); | |
| 6dbad63e FB |
2187 | test_lea(); |
| 2188 | test_segs(); | |
| e5918247 | 2189 | test_code16(); |
| acae4681 | 2190 | #ifdef TEST_VM86 |
| 3a27ad0b | 2191 | test_vm86(); |
| acae4681 | 2192 | #endif |
| 3a27ad0b FB |
2193 | test_exceptions(); |
| 2194 | test_self_modifying_code(); | |
| 3ff0631e | 2195 | test_single_step(); |
| 61a8c4ec | 2196 | test_enter(); |
| 085339a1 FB |
2197 | #ifdef TEST_SSE |
| 2198 | test_sse(); | |
| a4682cc2 | 2199 | test_fxsave(); |
| 085339a1 | 2200 | #endif |
| 4d1135e4 FB |
2201 | return 0; |
| 2202 | } |