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1.1 ! root 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, see <http://www.gnu.org/licenses/>. ! 18: */ ! 19: #define _GNU_SOURCE ! 20: #include <stdlib.h> ! 21: #include <stdio.h> ! 22: #include <string.h> ! 23: #include <inttypes.h> ! 24: #include <math.h> ! 25: #include <signal.h> ! 26: #include <setjmp.h> ! 27: #include <errno.h> ! 28: #include <sys/ucontext.h> ! 29: #include <sys/mman.h> ! 30: ! 31: #if !defined(__x86_64__) ! 32: //#define TEST_VM86 ! 33: #define TEST_SEGS ! 34: #endif ! 35: //#define LINUX_VM86_IOPL_FIX ! 36: //#define TEST_P4_FLAGS ! 37: #ifdef __SSE__ ! 38: #define TEST_SSE ! 39: #define TEST_CMOV 1 ! 40: #define TEST_FCOMI 1 ! 41: #else ! 42: #undef TEST_SSE ! 43: #define TEST_CMOV 1 ! 44: #define TEST_FCOMI 1 ! 45: #endif ! 46: ! 47: #if defined(__x86_64__) ! 48: #define FMT64X "%016lx" ! 49: #define FMTLX "%016lx" ! 50: #define X86_64_ONLY(x) x ! 51: #else ! 52: #define FMT64X "%016" PRIx64 ! 53: #define FMTLX "%08lx" ! 54: #define X86_64_ONLY(x) ! 55: #endif ! 56: ! 57: #ifdef TEST_VM86 ! 58: #include <asm/vm86.h> ! 59: #endif ! 60: ! 61: #define xglue(x, y) x ## y ! 62: #define glue(x, y) xglue(x, y) ! 63: #define stringify(s) tostring(s) ! 64: #define tostring(s) #s ! 65: ! 66: #define CC_C 0x0001 ! 67: #define CC_P 0x0004 ! 68: #define CC_A 0x0010 ! 69: #define CC_Z 0x0040 ! 70: #define CC_S 0x0080 ! 71: #define CC_O 0x0800 ! 72: ! 73: #define __init_call __attribute__ ((unused,__section__ ("initcall"))) ! 74: ! 75: #define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A) ! 76: ! 77: #if defined(__x86_64__) ! 78: static inline long i2l(long v) ! 79: { ! 80: return v | ((v ^ 0xabcd) << 32); ! 81: } ! 82: #else ! 83: static inline long i2l(long v) ! 84: { ! 85: return v; ! 86: } ! 87: #endif ! 88: ! 89: #define OP add ! 90: #include "test-i386.h" ! 91: ! 92: #define OP sub ! 93: #include "test-i386.h" ! 94: ! 95: #define OP xor ! 96: #include "test-i386.h" ! 97: ! 98: #define OP and ! 99: #include "test-i386.h" ! 100: ! 101: #define OP or ! 102: #include "test-i386.h" ! 103: ! 104: #define OP cmp ! 105: #include "test-i386.h" ! 106: ! 107: #define OP adc ! 108: #define OP_CC ! 109: #include "test-i386.h" ! 110: ! 111: #define OP sbb ! 112: #define OP_CC ! 113: #include "test-i386.h" ! 114: ! 115: #define OP inc ! 116: #define OP_CC ! 117: #define OP1 ! 118: #include "test-i386.h" ! 119: ! 120: #define OP dec ! 121: #define OP_CC ! 122: #define OP1 ! 123: #include "test-i386.h" ! 124: ! 125: #define OP neg ! 126: #define OP_CC ! 127: #define OP1 ! 128: #include "test-i386.h" ! 129: ! 130: #define OP not ! 131: #define OP_CC ! 132: #define OP1 ! 133: #include "test-i386.h" ! 134: ! 135: #undef CC_MASK ! 136: #define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O) ! 137: ! 138: #define OP shl ! 139: #include "test-i386-shift.h" ! 140: ! 141: #define OP shr ! 142: #include "test-i386-shift.h" ! 143: ! 144: #define OP sar ! 145: #include "test-i386-shift.h" ! 146: ! 147: #define OP rol ! 148: #include "test-i386-shift.h" ! 149: ! 150: #define OP ror ! 151: #include "test-i386-shift.h" ! 152: ! 153: #define OP rcr ! 154: #define OP_CC ! 155: #include "test-i386-shift.h" ! 156: ! 157: #define OP rcl ! 158: #define OP_CC ! 159: #include "test-i386-shift.h" ! 160: ! 161: #define OP shld ! 162: #define OP_SHIFTD ! 163: #define OP_NOBYTE ! 164: #include "test-i386-shift.h" ! 165: ! 166: #define OP shrd ! 167: #define OP_SHIFTD ! 168: #define OP_NOBYTE ! 169: #include "test-i386-shift.h" ! 170: ! 171: /* XXX: should be more precise ? */ ! 172: #undef CC_MASK ! 173: #define CC_MASK (CC_C) ! 174: ! 175: #define OP bt ! 176: #define OP_NOBYTE ! 177: #include "test-i386-shift.h" ! 178: ! 179: #define OP bts ! 180: #define OP_NOBYTE ! 181: #include "test-i386-shift.h" ! 182: ! 183: #define OP btr ! 184: #define OP_NOBYTE ! 185: #include "test-i386-shift.h" ! 186: ! 187: #define OP btc ! 188: #define OP_NOBYTE ! 189: #include "test-i386-shift.h" ! 190: ! 191: /* lea test (modrm support) */ ! 192: #define TEST_LEAQ(STR)\ ! 193: {\ ! 194: asm("lea " STR ", %0"\ ! 195: : "=r" (res)\ ! 196: : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ ! 197: printf("lea %s = " FMTLX "\n", STR, res);\ ! 198: } ! 199: ! 200: #define TEST_LEA(STR)\ ! 201: {\ ! 202: asm("lea " STR ", %0"\ ! 203: : "=r" (res)\ ! 204: : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ ! 205: printf("lea %s = " FMTLX "\n", STR, res);\ ! 206: } ! 207: ! 208: #define TEST_LEA16(STR)\ ! 209: {\ ! 210: asm(".code16 ; .byte 0x67 ; leal " STR ", %0 ; .code32"\ ! 211: : "=wq" (res)\ ! 212: : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ ! 213: printf("lea %s = %08lx\n", STR, res);\ ! 214: } ! 215: ! 216: ! 217: void test_lea(void) ! 218: { ! 219: long eax, ebx, ecx, edx, esi, edi, res; ! 220: eax = i2l(0x0001); ! 221: ebx = i2l(0x0002); ! 222: ecx = i2l(0x0004); ! 223: edx = i2l(0x0008); ! 224: esi = i2l(0x0010); ! 225: edi = i2l(0x0020); ! 226: ! 227: TEST_LEA("0x4000"); ! 228: ! 229: TEST_LEA("(%%eax)"); ! 230: TEST_LEA("(%%ebx)"); ! 231: TEST_LEA("(%%ecx)"); ! 232: TEST_LEA("(%%edx)"); ! 233: TEST_LEA("(%%esi)"); ! 234: TEST_LEA("(%%edi)"); ! 235: ! 236: TEST_LEA("0x40(%%eax)"); ! 237: TEST_LEA("0x40(%%ebx)"); ! 238: TEST_LEA("0x40(%%ecx)"); ! 239: TEST_LEA("0x40(%%edx)"); ! 240: TEST_LEA("0x40(%%esi)"); ! 241: TEST_LEA("0x40(%%edi)"); ! 242: ! 243: TEST_LEA("0x4000(%%eax)"); ! 244: TEST_LEA("0x4000(%%ebx)"); ! 245: TEST_LEA("0x4000(%%ecx)"); ! 246: TEST_LEA("0x4000(%%edx)"); ! 247: TEST_LEA("0x4000(%%esi)"); ! 248: TEST_LEA("0x4000(%%edi)"); ! 249: ! 250: TEST_LEA("(%%eax, %%ecx)"); ! 251: TEST_LEA("(%%ebx, %%edx)"); ! 252: TEST_LEA("(%%ecx, %%ecx)"); ! 253: TEST_LEA("(%%edx, %%ecx)"); ! 254: TEST_LEA("(%%esi, %%ecx)"); ! 255: TEST_LEA("(%%edi, %%ecx)"); ! 256: ! 257: TEST_LEA("0x40(%%eax, %%ecx)"); ! 258: TEST_LEA("0x4000(%%ebx, %%edx)"); ! 259: ! 260: TEST_LEA("(%%ecx, %%ecx, 2)"); ! 261: TEST_LEA("(%%edx, %%ecx, 4)"); ! 262: TEST_LEA("(%%esi, %%ecx, 8)"); ! 263: ! 264: TEST_LEA("(,%%eax, 2)"); ! 265: TEST_LEA("(,%%ebx, 4)"); ! 266: TEST_LEA("(,%%ecx, 8)"); ! 267: ! 268: TEST_LEA("0x40(,%%eax, 2)"); ! 269: TEST_LEA("0x40(,%%ebx, 4)"); ! 270: TEST_LEA("0x40(,%%ecx, 8)"); ! 271: ! 272: ! 273: TEST_LEA("-10(%%ecx, %%ecx, 2)"); ! 274: TEST_LEA("-10(%%edx, %%ecx, 4)"); ! 275: TEST_LEA("-10(%%esi, %%ecx, 8)"); ! 276: ! 277: TEST_LEA("0x4000(%%ecx, %%ecx, 2)"); ! 278: TEST_LEA("0x4000(%%edx, %%ecx, 4)"); ! 279: TEST_LEA("0x4000(%%esi, %%ecx, 8)"); ! 280: ! 281: #if defined(__x86_64__) ! 282: TEST_LEAQ("0x4000"); ! 283: TEST_LEAQ("0x4000(%%rip)"); ! 284: ! 285: TEST_LEAQ("(%%rax)"); ! 286: TEST_LEAQ("(%%rbx)"); ! 287: TEST_LEAQ("(%%rcx)"); ! 288: TEST_LEAQ("(%%rdx)"); ! 289: TEST_LEAQ("(%%rsi)"); ! 290: TEST_LEAQ("(%%rdi)"); ! 291: ! 292: TEST_LEAQ("0x40(%%rax)"); ! 293: TEST_LEAQ("0x40(%%rbx)"); ! 294: TEST_LEAQ("0x40(%%rcx)"); ! 295: TEST_LEAQ("0x40(%%rdx)"); ! 296: TEST_LEAQ("0x40(%%rsi)"); ! 297: TEST_LEAQ("0x40(%%rdi)"); ! 298: ! 299: TEST_LEAQ("0x4000(%%rax)"); ! 300: TEST_LEAQ("0x4000(%%rbx)"); ! 301: TEST_LEAQ("0x4000(%%rcx)"); ! 302: TEST_LEAQ("0x4000(%%rdx)"); ! 303: TEST_LEAQ("0x4000(%%rsi)"); ! 304: TEST_LEAQ("0x4000(%%rdi)"); ! 305: ! 306: TEST_LEAQ("(%%rax, %%rcx)"); ! 307: TEST_LEAQ("(%%rbx, %%rdx)"); ! 308: TEST_LEAQ("(%%rcx, %%rcx)"); ! 309: TEST_LEAQ("(%%rdx, %%rcx)"); ! 310: TEST_LEAQ("(%%rsi, %%rcx)"); ! 311: TEST_LEAQ("(%%rdi, %%rcx)"); ! 312: ! 313: TEST_LEAQ("0x40(%%rax, %%rcx)"); ! 314: TEST_LEAQ("0x4000(%%rbx, %%rdx)"); ! 315: ! 316: TEST_LEAQ("(%%rcx, %%rcx, 2)"); ! 317: TEST_LEAQ("(%%rdx, %%rcx, 4)"); ! 318: TEST_LEAQ("(%%rsi, %%rcx, 8)"); ! 319: ! 320: TEST_LEAQ("(,%%rax, 2)"); ! 321: TEST_LEAQ("(,%%rbx, 4)"); ! 322: TEST_LEAQ("(,%%rcx, 8)"); ! 323: ! 324: TEST_LEAQ("0x40(,%%rax, 2)"); ! 325: TEST_LEAQ("0x40(,%%rbx, 4)"); ! 326: TEST_LEAQ("0x40(,%%rcx, 8)"); ! 327: ! 328: ! 329: TEST_LEAQ("-10(%%rcx, %%rcx, 2)"); ! 330: TEST_LEAQ("-10(%%rdx, %%rcx, 4)"); ! 331: TEST_LEAQ("-10(%%rsi, %%rcx, 8)"); ! 332: ! 333: TEST_LEAQ("0x4000(%%rcx, %%rcx, 2)"); ! 334: TEST_LEAQ("0x4000(%%rdx, %%rcx, 4)"); ! 335: TEST_LEAQ("0x4000(%%rsi, %%rcx, 8)"); ! 336: #else ! 337: /* limited 16 bit addressing test */ ! 338: TEST_LEA16("0x4000"); ! 339: TEST_LEA16("(%%bx)"); ! 340: TEST_LEA16("(%%si)"); ! 341: TEST_LEA16("(%%di)"); ! 342: TEST_LEA16("0x40(%%bx)"); ! 343: TEST_LEA16("0x40(%%si)"); ! 344: TEST_LEA16("0x40(%%di)"); ! 345: TEST_LEA16("0x4000(%%bx)"); ! 346: TEST_LEA16("0x4000(%%si)"); ! 347: TEST_LEA16("(%%bx,%%si)"); ! 348: TEST_LEA16("(%%bx,%%di)"); ! 349: TEST_LEA16("0x40(%%bx,%%si)"); ! 350: TEST_LEA16("0x40(%%bx,%%di)"); ! 351: TEST_LEA16("0x4000(%%bx,%%si)"); ! 352: TEST_LEA16("0x4000(%%bx,%%di)"); ! 353: #endif ! 354: } ! 355: ! 356: #define TEST_JCC(JCC, v1, v2)\ ! 357: {\ ! 358: int res;\ ! 359: asm("movl $1, %0\n\t"\ ! 360: "cmpl %2, %1\n\t"\ ! 361: "j" JCC " 1f\n\t"\ ! 362: "movl $0, %0\n\t"\ ! 363: "1:\n\t"\ ! 364: : "=r" (res)\ ! 365: : "r" (v1), "r" (v2));\ ! 366: printf("%-10s %d\n", "j" JCC, res);\ ! 367: \ ! 368: asm("movl $0, %0\n\t"\ ! 369: "cmpl %2, %1\n\t"\ ! 370: "set" JCC " %b0\n\t"\ ! 371: : "=r" (res)\ ! 372: : "r" (v1), "r" (v2));\ ! 373: printf("%-10s %d\n", "set" JCC, res);\ ! 374: if (TEST_CMOV) {\ ! 375: long val = i2l(1);\ ! 376: long res = i2l(0x12345678);\ ! 377: X86_64_ONLY(\ ! 378: asm("cmpl %2, %1\n\t"\ ! 379: "cmov" JCC "q %3, %0\n\t"\ ! 380: : "=r" (res)\ ! 381: : "r" (v1), "r" (v2), "m" (val), "0" (res));\ ! 382: printf("%-10s R=" FMTLX "\n", "cmov" JCC "q", res);)\ ! 383: asm("cmpl %2, %1\n\t"\ ! 384: "cmov" JCC "l %k3, %k0\n\t"\ ! 385: : "=r" (res)\ ! 386: : "r" (v1), "r" (v2), "m" (val), "0" (res));\ ! 387: printf("%-10s R=" FMTLX "\n", "cmov" JCC "l", res);\ ! 388: asm("cmpl %2, %1\n\t"\ ! 389: "cmov" JCC "w %w3, %w0\n\t"\ ! 390: : "=r" (res)\ ! 391: : "r" (v1), "r" (v2), "r" (1), "0" (res));\ ! 392: printf("%-10s R=" FMTLX "\n", "cmov" JCC "w", res);\ ! 393: } \ ! 394: } ! 395: ! 396: /* various jump tests */ ! 397: void test_jcc(void) ! 398: { ! 399: TEST_JCC("ne", 1, 1); ! 400: TEST_JCC("ne", 1, 0); ! 401: ! 402: TEST_JCC("e", 1, 1); ! 403: TEST_JCC("e", 1, 0); ! 404: ! 405: TEST_JCC("l", 1, 1); ! 406: TEST_JCC("l", 1, 0); ! 407: TEST_JCC("l", 1, -1); ! 408: ! 409: TEST_JCC("le", 1, 1); ! 410: TEST_JCC("le", 1, 0); ! 411: TEST_JCC("le", 1, -1); ! 412: ! 413: TEST_JCC("ge", 1, 1); ! 414: TEST_JCC("ge", 1, 0); ! 415: TEST_JCC("ge", -1, 1); ! 416: ! 417: TEST_JCC("g", 1, 1); ! 418: TEST_JCC("g", 1, 0); ! 419: TEST_JCC("g", 1, -1); ! 420: ! 421: TEST_JCC("b", 1, 1); ! 422: TEST_JCC("b", 1, 0); ! 423: TEST_JCC("b", 1, -1); ! 424: ! 425: TEST_JCC("be", 1, 1); ! 426: TEST_JCC("be", 1, 0); ! 427: TEST_JCC("be", 1, -1); ! 428: ! 429: TEST_JCC("ae", 1, 1); ! 430: TEST_JCC("ae", 1, 0); ! 431: TEST_JCC("ae", 1, -1); ! 432: ! 433: TEST_JCC("a", 1, 1); ! 434: TEST_JCC("a", 1, 0); ! 435: TEST_JCC("a", 1, -1); ! 436: ! 437: ! 438: TEST_JCC("p", 1, 1); ! 439: TEST_JCC("p", 1, 0); ! 440: ! 441: TEST_JCC("np", 1, 1); ! 442: TEST_JCC("np", 1, 0); ! 443: ! 444: TEST_JCC("o", 0x7fffffff, 0); ! 445: TEST_JCC("o", 0x7fffffff, -1); ! 446: ! 447: TEST_JCC("no", 0x7fffffff, 0); ! 448: TEST_JCC("no", 0x7fffffff, -1); ! 449: ! 450: TEST_JCC("s", 0, 1); ! 451: TEST_JCC("s", 0, -1); ! 452: TEST_JCC("s", 0, 0); ! 453: ! 454: TEST_JCC("ns", 0, 1); ! 455: TEST_JCC("ns", 0, -1); ! 456: TEST_JCC("ns", 0, 0); ! 457: } ! 458: ! 459: #define TEST_LOOP(insn) \ ! 460: {\ ! 461: for(i = 0; i < sizeof(ecx_vals) / sizeof(long); i++) {\ ! 462: ecx = ecx_vals[i];\ ! 463: for(zf = 0; zf < 2; zf++) {\ ! 464: asm("test %2, %2\n\t"\ ! 465: "movl $1, %0\n\t"\ ! 466: insn " 1f\n\t" \ ! 467: "movl $0, %0\n\t"\ ! 468: "1:\n\t"\ ! 469: : "=a" (res)\ ! 470: : "c" (ecx), "b" (!zf)); \ ! 471: printf("%-10s ECX=" FMTLX " ZF=%ld r=%d\n", insn, ecx, zf, res); \ ! 472: }\ ! 473: }\ ! 474: } ! 475: ! 476: void test_loop(void) ! 477: { ! 478: long ecx, zf; ! 479: const long ecx_vals[] = { ! 480: 0, ! 481: 1, ! 482: 0x10000, ! 483: 0x10001, ! 484: #if defined(__x86_64__) ! 485: 0x100000000L, ! 486: 0x100000001L, ! 487: #endif ! 488: }; ! 489: int i, res; ! 490: ! 491: #if !defined(__x86_64__) ! 492: TEST_LOOP("jcxz"); ! 493: TEST_LOOP("loopw"); ! 494: TEST_LOOP("loopzw"); ! 495: TEST_LOOP("loopnzw"); ! 496: #endif ! 497: ! 498: TEST_LOOP("jecxz"); ! 499: TEST_LOOP("loopl"); ! 500: TEST_LOOP("loopzl"); ! 501: TEST_LOOP("loopnzl"); ! 502: } ! 503: ! 504: #undef CC_MASK ! 505: #ifdef TEST_P4_FLAGS ! 506: #define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A) ! 507: #else ! 508: #define CC_MASK (CC_O | CC_C) ! 509: #endif ! 510: ! 511: #define OP mul ! 512: #include "test-i386-muldiv.h" ! 513: ! 514: #define OP imul ! 515: #include "test-i386-muldiv.h" ! 516: ! 517: void test_imulw2(long op0, long op1) ! 518: { ! 519: long res, s1, s0, flags; ! 520: s0 = op0; ! 521: s1 = op1; ! 522: res = s0; ! 523: flags = 0; ! 524: asm volatile ("push %4\n\t" ! 525: "popf\n\t" ! 526: "imulw %w2, %w0\n\t" ! 527: "pushf\n\t" ! 528: "pop %1\n\t" ! 529: : "=q" (res), "=g" (flags) ! 530: : "q" (s1), "0" (res), "1" (flags)); ! 531: printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n", ! 532: "imulw", s0, s1, res, flags & CC_MASK); ! 533: } ! 534: ! 535: void test_imull2(long op0, long op1) ! 536: { ! 537: long res, s1, s0, flags; ! 538: s0 = op0; ! 539: s1 = op1; ! 540: res = s0; ! 541: flags = 0; ! 542: asm volatile ("push %4\n\t" ! 543: "popf\n\t" ! 544: "imull %k2, %k0\n\t" ! 545: "pushf\n\t" ! 546: "pop %1\n\t" ! 547: : "=q" (res), "=g" (flags) ! 548: : "q" (s1), "0" (res), "1" (flags)); ! 549: printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n", ! 550: "imull", s0, s1, res, flags & CC_MASK); ! 551: } ! 552: ! 553: #if defined(__x86_64__) ! 554: void test_imulq2(long op0, long op1) ! 555: { ! 556: long res, s1, s0, flags; ! 557: s0 = op0; ! 558: s1 = op1; ! 559: res = s0; ! 560: flags = 0; ! 561: asm volatile ("push %4\n\t" ! 562: "popf\n\t" ! 563: "imulq %2, %0\n\t" ! 564: "pushf\n\t" ! 565: "pop %1\n\t" ! 566: : "=q" (res), "=g" (flags) ! 567: : "q" (s1), "0" (res), "1" (flags)); ! 568: printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n", ! 569: "imulq", s0, s1, res, flags & CC_MASK); ! 570: } ! 571: #endif ! 572: ! 573: #define TEST_IMUL_IM(size, rsize, op0, op1)\ ! 574: {\ ! 575: long res, flags, s1;\ ! 576: flags = 0;\ ! 577: res = 0;\ ! 578: s1 = op1;\ ! 579: asm volatile ("push %3\n\t"\ ! 580: "popf\n\t"\ ! 581: "imul" size " $" #op0 ", %" rsize "2, %" rsize "0\n\t" \ ! 582: "pushf\n\t"\ ! 583: "pop %1\n\t"\ ! 584: : "=r" (res), "=g" (flags)\ ! 585: : "r" (s1), "1" (flags), "0" (res));\ ! 586: printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n",\ ! 587: "imul" size " im", (long)op0, (long)op1, res, flags & CC_MASK);\ ! 588: } ! 589: ! 590: ! 591: #undef CC_MASK ! 592: #define CC_MASK (0) ! 593: ! 594: #define OP div ! 595: #include "test-i386-muldiv.h" ! 596: ! 597: #define OP idiv ! 598: #include "test-i386-muldiv.h" ! 599: ! 600: void test_mul(void) ! 601: { ! 602: test_imulb(0x1234561d, 4); ! 603: test_imulb(3, -4); ! 604: test_imulb(0x80, 0x80); ! 605: test_imulb(0x10, 0x10); ! 606: ! 607: test_imulw(0, 0x1234001d, 45); ! 608: test_imulw(0, 23, -45); ! 609: test_imulw(0, 0x8000, 0x8000); ! 610: test_imulw(0, 0x100, 0x100); ! 611: ! 612: test_imull(0, 0x1234001d, 45); ! 613: test_imull(0, 23, -45); ! 614: test_imull(0, 0x80000000, 0x80000000); ! 615: test_imull(0, 0x10000, 0x10000); ! 616: ! 617: test_mulb(0x1234561d, 4); ! 618: test_mulb(3, -4); ! 619: test_mulb(0x80, 0x80); ! 620: test_mulb(0x10, 0x10); ! 621: ! 622: test_mulw(0, 0x1234001d, 45); ! 623: test_mulw(0, 23, -45); ! 624: test_mulw(0, 0x8000, 0x8000); ! 625: test_mulw(0, 0x100, 0x100); ! 626: ! 627: test_mull(0, 0x1234001d, 45); ! 628: test_mull(0, 23, -45); ! 629: test_mull(0, 0x80000000, 0x80000000); ! 630: test_mull(0, 0x10000, 0x10000); ! 631: ! 632: test_imulw2(0x1234001d, 45); ! 633: test_imulw2(23, -45); ! 634: test_imulw2(0x8000, 0x8000); ! 635: test_imulw2(0x100, 0x100); ! 636: ! 637: test_imull2(0x1234001d, 45); ! 638: test_imull2(23, -45); ! 639: test_imull2(0x80000000, 0x80000000); ! 640: test_imull2(0x10000, 0x10000); ! 641: ! 642: TEST_IMUL_IM("w", "w", 45, 0x1234); ! 643: TEST_IMUL_IM("w", "w", -45, 23); ! 644: TEST_IMUL_IM("w", "w", 0x8000, 0x80000000); ! 645: TEST_IMUL_IM("w", "w", 0x7fff, 0x1000); ! 646: ! 647: TEST_IMUL_IM("l", "k", 45, 0x1234); ! 648: TEST_IMUL_IM("l", "k", -45, 23); ! 649: TEST_IMUL_IM("l", "k", 0x8000, 0x80000000); ! 650: TEST_IMUL_IM("l", "k", 0x7fff, 0x1000); ! 651: ! 652: test_idivb(0x12341678, 0x127e); ! 653: test_idivb(0x43210123, -5); ! 654: test_idivb(0x12340004, -1); ! 655: ! 656: test_idivw(0, 0x12345678, 12347); ! 657: test_idivw(0, -23223, -45); ! 658: test_idivw(0, 0x12348000, -1); ! 659: test_idivw(0x12343, 0x12345678, 0x81238567); ! 660: ! 661: test_idivl(0, 0x12345678, 12347); ! 662: test_idivl(0, -233223, -45); ! 663: test_idivl(0, 0x80000000, -1); ! 664: test_idivl(0x12343, 0x12345678, 0x81234567); ! 665: ! 666: test_divb(0x12341678, 0x127e); ! 667: test_divb(0x43210123, -5); ! 668: test_divb(0x12340004, -1); ! 669: ! 670: test_divw(0, 0x12345678, 12347); ! 671: test_divw(0, -23223, -45); ! 672: test_divw(0, 0x12348000, -1); ! 673: test_divw(0x12343, 0x12345678, 0x81238567); ! 674: ! 675: test_divl(0, 0x12345678, 12347); ! 676: test_divl(0, -233223, -45); ! 677: test_divl(0, 0x80000000, -1); ! 678: test_divl(0x12343, 0x12345678, 0x81234567); ! 679: ! 680: #if defined(__x86_64__) ! 681: test_imulq(0, 0x1234001d1234001d, 45); ! 682: test_imulq(0, 23, -45); ! 683: test_imulq(0, 0x8000000000000000, 0x8000000000000000); ! 684: test_imulq(0, 0x100000000, 0x100000000); ! 685: ! 686: test_mulq(0, 0x1234001d1234001d, 45); ! 687: test_mulq(0, 23, -45); ! 688: test_mulq(0, 0x8000000000000000, 0x8000000000000000); ! 689: test_mulq(0, 0x100000000, 0x100000000); ! 690: ! 691: test_imulq2(0x1234001d1234001d, 45); ! 692: test_imulq2(23, -45); ! 693: test_imulq2(0x8000000000000000, 0x8000000000000000); ! 694: test_imulq2(0x100000000, 0x100000000); ! 695: ! 696: TEST_IMUL_IM("q", "", 45, 0x12341234); ! 697: TEST_IMUL_IM("q", "", -45, 23); ! 698: TEST_IMUL_IM("q", "", 0x8000, 0x8000000000000000); ! 699: TEST_IMUL_IM("q", "", 0x7fff, 0x10000000); ! 700: ! 701: test_idivq(0, 0x12345678abcdef, 12347); ! 702: test_idivq(0, -233223, -45); ! 703: test_idivq(0, 0x8000000000000000, -1); ! 704: test_idivq(0x12343, 0x12345678, 0x81234567); ! 705: ! 706: test_divq(0, 0x12345678abcdef, 12347); ! 707: test_divq(0, -233223, -45); ! 708: test_divq(0, 0x8000000000000000, -1); ! 709: test_divq(0x12343, 0x12345678, 0x81234567); ! 710: #endif ! 711: } ! 712: ! 713: #define TEST_BSX(op, size, op0)\ ! 714: {\ ! 715: long res, val, resz;\ ! 716: val = op0;\ ! 717: asm("xor %1, %1\n"\ ! 718: "mov $0x12345678, %0\n"\ ! 719: #op " %" size "2, %" size "0 ; setz %b1" \ ! 720: : "=&r" (res), "=&q" (resz)\ ! 721: : "r" (val));\ ! 722: printf("%-10s A=" FMTLX " R=" FMTLX " %ld\n", #op, val, res, resz);\ ! 723: } ! 724: ! 725: void test_bsx(void) ! 726: { ! 727: TEST_BSX(bsrw, "w", 0); ! 728: TEST_BSX(bsrw, "w", 0x12340128); ! 729: TEST_BSX(bsfw, "w", 0); ! 730: TEST_BSX(bsfw, "w", 0x12340128); ! 731: TEST_BSX(bsrl, "k", 0); ! 732: TEST_BSX(bsrl, "k", 0x00340128); ! 733: TEST_BSX(bsfl, "k", 0); ! 734: TEST_BSX(bsfl, "k", 0x00340128); ! 735: #if defined(__x86_64__) ! 736: TEST_BSX(bsrq, "", 0); ! 737: TEST_BSX(bsrq, "", 0x003401281234); ! 738: TEST_BSX(bsfq, "", 0); ! 739: TEST_BSX(bsfq, "", 0x003401281234); ! 740: #endif ! 741: } ! 742: ! 743: /**********************************************/ ! 744: ! 745: union float64u { ! 746: double d; ! 747: uint64_t l; ! 748: }; ! 749: ! 750: union float64u q_nan = { .l = 0xFFF8000000000000LL }; ! 751: union float64u s_nan = { .l = 0xFFF0000000000000LL }; ! 752: ! 753: void test_fops(double a, double b) ! 754: { ! 755: printf("a=%f b=%f a+b=%f\n", a, b, a + b); ! 756: printf("a=%f b=%f a-b=%f\n", a, b, a - b); ! 757: printf("a=%f b=%f a*b=%f\n", a, b, a * b); ! 758: printf("a=%f b=%f a/b=%f\n", a, b, a / b); ! 759: printf("a=%f b=%f fmod(a, b)=%f\n", a, b, fmod(a, b)); ! 760: printf("a=%f sqrt(a)=%f\n", a, sqrt(a)); ! 761: printf("a=%f sin(a)=%f\n", a, sin(a)); ! 762: printf("a=%f cos(a)=%f\n", a, cos(a)); ! 763: printf("a=%f tan(a)=%f\n", a, tan(a)); ! 764: printf("a=%f log(a)=%f\n", a, log(a)); ! 765: printf("a=%f exp(a)=%f\n", a, exp(a)); ! 766: printf("a=%f b=%f atan2(a, b)=%f\n", a, b, atan2(a, b)); ! 767: /* just to test some op combining */ ! 768: printf("a=%f asin(sin(a))=%f\n", a, asin(sin(a))); ! 769: printf("a=%f acos(cos(a))=%f\n", a, acos(cos(a))); ! 770: printf("a=%f atan(tan(a))=%f\n", a, atan(tan(a))); ! 771: ! 772: } ! 773: ! 774: void fpu_clear_exceptions(void) ! 775: { ! 776: struct QEMU_PACKED { ! 777: uint16_t fpuc; ! 778: uint16_t dummy1; ! 779: uint16_t fpus; ! 780: uint16_t dummy2; ! 781: uint16_t fptag; ! 782: uint16_t dummy3; ! 783: uint32_t ignored[4]; ! 784: long double fpregs[8]; ! 785: } float_env32; ! 786: ! 787: asm volatile ("fnstenv %0\n" : : "m" (float_env32)); ! 788: float_env32.fpus &= ~0x7f; ! 789: asm volatile ("fldenv %0\n" : : "m" (float_env32)); ! 790: } ! 791: ! 792: /* XXX: display exception bits when supported */ ! 793: #define FPUS_EMASK 0x0000 ! 794: //#define FPUS_EMASK 0x007f ! 795: ! 796: void test_fcmp(double a, double b) ! 797: { ! 798: long eflags, fpus; ! 799: ! 800: fpu_clear_exceptions(); ! 801: asm("fcom %2\n" ! 802: "fstsw %%ax\n" ! 803: : "=a" (fpus) ! 804: : "t" (a), "u" (b)); ! 805: printf("fcom(%f %f)=%04lx\n", ! 806: a, b, fpus & (0x4500 | FPUS_EMASK)); ! 807: fpu_clear_exceptions(); ! 808: asm("fucom %2\n" ! 809: "fstsw %%ax\n" ! 810: : "=a" (fpus) ! 811: : "t" (a), "u" (b)); ! 812: printf("fucom(%f %f)=%04lx\n", ! 813: a, b, fpus & (0x4500 | FPUS_EMASK)); ! 814: if (TEST_FCOMI) { ! 815: /* test f(u)comi instruction */ ! 816: fpu_clear_exceptions(); ! 817: asm("fcomi %3, %2\n" ! 818: "fstsw %%ax\n" ! 819: "pushf\n" ! 820: "pop %0\n" ! 821: : "=r" (eflags), "=a" (fpus) ! 822: : "t" (a), "u" (b)); ! 823: printf("fcomi(%f %f)=%04lx %02lx\n", ! 824: a, b, fpus & FPUS_EMASK, eflags & (CC_Z | CC_P | CC_C)); ! 825: fpu_clear_exceptions(); ! 826: asm("fucomi %3, %2\n" ! 827: "fstsw %%ax\n" ! 828: "pushf\n" ! 829: "pop %0\n" ! 830: : "=r" (eflags), "=a" (fpus) ! 831: : "t" (a), "u" (b)); ! 832: printf("fucomi(%f %f)=%04lx %02lx\n", ! 833: a, b, fpus & FPUS_EMASK, eflags & (CC_Z | CC_P | CC_C)); ! 834: } ! 835: fpu_clear_exceptions(); ! 836: asm volatile("fxam\n" ! 837: "fstsw %%ax\n" ! 838: : "=a" (fpus) ! 839: : "t" (a)); ! 840: printf("fxam(%f)=%04lx\n", a, fpus & 0x4700); ! 841: fpu_clear_exceptions(); ! 842: } ! 843: ! 844: void test_fcvt(double a) ! 845: { ! 846: float fa; ! 847: long double la; ! 848: int16_t fpuc; ! 849: int i; ! 850: int64_t lla; ! 851: int ia; ! 852: int16_t wa; ! 853: double ra; ! 854: ! 855: fa = a; ! 856: la = a; ! 857: printf("(float)%f = %f\n", a, fa); ! 858: printf("(long double)%f = %Lf\n", a, la); ! 859: printf("a=" FMT64X "\n", *(uint64_t *)&a); ! 860: printf("la=" FMT64X " %04x\n", *(uint64_t *)&la, ! 861: *(unsigned short *)((char *)(&la) + 8)); ! 862: ! 863: /* test all roundings */ ! 864: asm volatile ("fstcw %0" : "=m" (fpuc)); ! 865: for(i=0;i<4;i++) { ! 866: uint16_t val16; ! 867: val16 = (fpuc & ~0x0c00) | (i << 10); ! 868: asm volatile ("fldcw %0" : : "m" (val16)); ! 869: asm volatile ("fist %0" : "=m" (wa) : "t" (a)); ! 870: asm volatile ("fistl %0" : "=m" (ia) : "t" (a)); ! 871: asm volatile ("fistpll %0" : "=m" (lla) : "t" (a) : "st"); ! 872: asm volatile ("frndint ; fstl %0" : "=m" (ra) : "t" (a)); ! 873: asm volatile ("fldcw %0" : : "m" (fpuc)); ! 874: printf("(short)a = %d\n", wa); ! 875: printf("(int)a = %d\n", ia); ! 876: printf("(int64_t)a = " FMT64X "\n", lla); ! 877: printf("rint(a) = %f\n", ra); ! 878: } ! 879: } ! 880: ! 881: #define TEST(N) \ ! 882: asm("fld" #N : "=t" (a)); \ ! 883: printf("fld" #N "= %f\n", a); ! 884: ! 885: void test_fconst(void) ! 886: { ! 887: double a; ! 888: TEST(1); ! 889: TEST(l2t); ! 890: TEST(l2e); ! 891: TEST(pi); ! 892: TEST(lg2); ! 893: TEST(ln2); ! 894: TEST(z); ! 895: } ! 896: ! 897: void test_fbcd(double a) ! 898: { ! 899: unsigned short bcd[5]; ! 900: double b; ! 901: ! 902: asm("fbstp %0" : "=m" (bcd[0]) : "t" (a) : "st"); ! 903: asm("fbld %1" : "=t" (b) : "m" (bcd[0])); ! 904: printf("a=%f bcd=%04x%04x%04x%04x%04x b=%f\n", ! 905: a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b); ! 906: } ! 907: ! 908: #define TEST_ENV(env, save, restore)\ ! 909: {\ ! 910: memset((env), 0xaa, sizeof(*(env)));\ ! 911: for(i=0;i<5;i++)\ ! 912: asm volatile ("fldl %0" : : "m" (dtab[i]));\ ! 913: asm volatile (save " %0\n" : : "m" (*(env)));\ ! 914: asm volatile (restore " %0\n": : "m" (*(env)));\ ! 915: for(i=0;i<5;i++)\ ! 916: asm volatile ("fstpl %0" : "=m" (rtab[i]));\ ! 917: for(i=0;i<5;i++)\ ! 918: printf("res[%d]=%f\n", i, rtab[i]);\ ! 919: printf("fpuc=%04x fpus=%04x fptag=%04x\n",\ ! 920: (env)->fpuc,\ ! 921: (env)->fpus & 0xff00,\ ! 922: (env)->fptag);\ ! 923: } ! 924: ! 925: void test_fenv(void) ! 926: { ! 927: struct QEMU_PACKED { ! 928: uint16_t fpuc; ! 929: uint16_t dummy1; ! 930: uint16_t fpus; ! 931: uint16_t dummy2; ! 932: uint16_t fptag; ! 933: uint16_t dummy3; ! 934: uint32_t ignored[4]; ! 935: long double fpregs[8]; ! 936: } float_env32; ! 937: struct QEMU_PACKED { ! 938: uint16_t fpuc; ! 939: uint16_t fpus; ! 940: uint16_t fptag; ! 941: uint16_t ignored[4]; ! 942: long double fpregs[8]; ! 943: } float_env16; ! 944: double dtab[8]; ! 945: double rtab[8]; ! 946: int i; ! 947: ! 948: for(i=0;i<8;i++) ! 949: dtab[i] = i + 1; ! 950: ! 951: TEST_ENV(&float_env16, "data16 fnstenv", "data16 fldenv"); ! 952: TEST_ENV(&float_env16, "data16 fnsave", "data16 frstor"); ! 953: TEST_ENV(&float_env32, "fnstenv", "fldenv"); ! 954: TEST_ENV(&float_env32, "fnsave", "frstor"); ! 955: ! 956: /* test for ffree */ ! 957: for(i=0;i<5;i++) ! 958: asm volatile ("fldl %0" : : "m" (dtab[i])); ! 959: asm volatile("ffree %st(2)"); ! 960: asm volatile ("fnstenv %0\n" : : "m" (float_env32)); ! 961: asm volatile ("fninit"); ! 962: printf("fptag=%04x\n", float_env32.fptag); ! 963: } ! 964: ! 965: ! 966: #define TEST_FCMOV(a, b, eflags, CC)\ ! 967: {\ ! 968: double res;\ ! 969: asm("push %3\n"\ ! 970: "popf\n"\ ! 971: "fcmov" CC " %2, %0\n"\ ! 972: : "=t" (res)\ ! 973: : "0" (a), "u" (b), "g" (eflags));\ ! 974: printf("fcmov%s eflags=0x%04lx-> %f\n", \ ! 975: CC, (long)eflags, res);\ ! 976: } ! 977: ! 978: void test_fcmov(void) ! 979: { ! 980: double a, b; ! 981: long eflags, i; ! 982: ! 983: a = 1.0; ! 984: b = 2.0; ! 985: for(i = 0; i < 4; i++) { ! 986: eflags = 0; ! 987: if (i & 1) ! 988: eflags |= CC_C; ! 989: if (i & 2) ! 990: eflags |= CC_Z; ! 991: TEST_FCMOV(a, b, eflags, "b"); ! 992: TEST_FCMOV(a, b, eflags, "e"); ! 993: TEST_FCMOV(a, b, eflags, "be"); ! 994: TEST_FCMOV(a, b, eflags, "nb"); ! 995: TEST_FCMOV(a, b, eflags, "ne"); ! 996: TEST_FCMOV(a, b, eflags, "nbe"); ! 997: } ! 998: TEST_FCMOV(a, b, 0, "u"); ! 999: TEST_FCMOV(a, b, CC_P, "u"); ! 1000: TEST_FCMOV(a, b, 0, "nu"); ! 1001: TEST_FCMOV(a, b, CC_P, "nu"); ! 1002: } ! 1003: ! 1004: void test_floats(void) ! 1005: { ! 1006: test_fops(2, 3); ! 1007: test_fops(1.4, -5); ! 1008: test_fcmp(2, -1); ! 1009: test_fcmp(2, 2); ! 1010: test_fcmp(2, 3); ! 1011: test_fcmp(2, q_nan.d); ! 1012: test_fcmp(q_nan.d, -1); ! 1013: test_fcmp(-1.0/0.0, -1); ! 1014: test_fcmp(1.0/0.0, -1); ! 1015: test_fcvt(0.5); ! 1016: test_fcvt(-0.5); ! 1017: test_fcvt(1.0/7.0); ! 1018: test_fcvt(-1.0/9.0); ! 1019: test_fcvt(32768); ! 1020: test_fcvt(-1e20); ! 1021: test_fcvt(-1.0/0.0); ! 1022: test_fcvt(1.0/0.0); ! 1023: test_fcvt(q_nan.d); ! 1024: test_fconst(); ! 1025: test_fbcd(1234567890123456.0); ! 1026: test_fbcd(-123451234567890.0); ! 1027: test_fenv(); ! 1028: if (TEST_CMOV) { ! 1029: test_fcmov(); ! 1030: } ! 1031: } ! 1032: ! 1033: /**********************************************/ ! 1034: #if !defined(__x86_64__) ! 1035: ! 1036: #define TEST_BCD(op, op0, cc_in, cc_mask)\ ! 1037: {\ ! 1038: int res, flags;\ ! 1039: res = op0;\ ! 1040: flags = cc_in;\ ! 1041: asm ("push %3\n\t"\ ! 1042: "popf\n\t"\ ! 1043: #op "\n\t"\ ! 1044: "pushf\n\t"\ ! 1045: "pop %1\n\t"\ ! 1046: : "=a" (res), "=g" (flags)\ ! 1047: : "0" (res), "1" (flags));\ ! 1048: printf("%-10s A=%08x R=%08x CCIN=%04x CC=%04x\n",\ ! 1049: #op, op0, res, cc_in, flags & cc_mask);\ ! 1050: } ! 1051: ! 1052: void test_bcd(void) ! 1053: { ! 1054: TEST_BCD(daa, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1055: TEST_BCD(daa, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1056: TEST_BCD(daa, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1057: TEST_BCD(daa, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1058: TEST_BCD(daa, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1059: TEST_BCD(daa, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1060: TEST_BCD(daa, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1061: TEST_BCD(daa, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1062: TEST_BCD(daa, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1063: TEST_BCD(daa, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1064: TEST_BCD(daa, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1065: TEST_BCD(daa, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1066: TEST_BCD(daa, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1067: ! 1068: TEST_BCD(das, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1069: TEST_BCD(das, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1070: TEST_BCD(das, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1071: TEST_BCD(das, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1072: TEST_BCD(das, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1073: TEST_BCD(das, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1074: TEST_BCD(das, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1075: TEST_BCD(das, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1076: TEST_BCD(das, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1077: TEST_BCD(das, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1078: TEST_BCD(das, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1079: TEST_BCD(das, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1080: TEST_BCD(das, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A)); ! 1081: ! 1082: TEST_BCD(aaa, 0x12340205, CC_A, (CC_C | CC_A)); ! 1083: TEST_BCD(aaa, 0x12340306, CC_A, (CC_C | CC_A)); ! 1084: TEST_BCD(aaa, 0x1234040a, CC_A, (CC_C | CC_A)); ! 1085: TEST_BCD(aaa, 0x123405fa, CC_A, (CC_C | CC_A)); ! 1086: TEST_BCD(aaa, 0x12340205, 0, (CC_C | CC_A)); ! 1087: TEST_BCD(aaa, 0x12340306, 0, (CC_C | CC_A)); ! 1088: TEST_BCD(aaa, 0x1234040a, 0, (CC_C | CC_A)); ! 1089: TEST_BCD(aaa, 0x123405fa, 0, (CC_C | CC_A)); ! 1090: ! 1091: TEST_BCD(aas, 0x12340205, CC_A, (CC_C | CC_A)); ! 1092: TEST_BCD(aas, 0x12340306, CC_A, (CC_C | CC_A)); ! 1093: TEST_BCD(aas, 0x1234040a, CC_A, (CC_C | CC_A)); ! 1094: TEST_BCD(aas, 0x123405fa, CC_A, (CC_C | CC_A)); ! 1095: TEST_BCD(aas, 0x12340205, 0, (CC_C | CC_A)); ! 1096: TEST_BCD(aas, 0x12340306, 0, (CC_C | CC_A)); ! 1097: TEST_BCD(aas, 0x1234040a, 0, (CC_C | CC_A)); ! 1098: TEST_BCD(aas, 0x123405fa, 0, (CC_C | CC_A)); ! 1099: ! 1100: TEST_BCD(aam, 0x12340547, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)); ! 1101: TEST_BCD(aad, 0x12340407, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)); ! 1102: } ! 1103: #endif ! 1104: ! 1105: #define TEST_XCHG(op, size, opconst)\ ! 1106: {\ ! 1107: long op0, op1;\ ! 1108: op0 = i2l(0x12345678);\ ! 1109: op1 = i2l(0xfbca7654);\ ! 1110: asm(#op " %" size "0, %" size "1" \ ! 1111: : "=q" (op0), opconst (op1) \ ! 1112: : "0" (op0));\ ! 1113: printf("%-10s A=" FMTLX " B=" FMTLX "\n",\ ! 1114: #op, op0, op1);\ ! 1115: } ! 1116: ! 1117: #define TEST_CMPXCHG(op, size, opconst, eax)\ ! 1118: {\ ! 1119: long op0, op1, op2;\ ! 1120: op0 = i2l(0x12345678);\ ! 1121: op1 = i2l(0xfbca7654);\ ! 1122: op2 = i2l(eax);\ ! 1123: asm(#op " %" size "0, %" size "1" \ ! 1124: : "=q" (op0), opconst (op1) \ ! 1125: : "0" (op0), "a" (op2));\ ! 1126: printf("%-10s EAX=" FMTLX " A=" FMTLX " C=" FMTLX "\n",\ ! 1127: #op, op2, op0, op1);\ ! 1128: } ! 1129: ! 1130: void test_xchg(void) ! 1131: { ! 1132: #if defined(__x86_64__) ! 1133: TEST_XCHG(xchgq, "", "+q"); ! 1134: #endif ! 1135: TEST_XCHG(xchgl, "k", "+q"); ! 1136: TEST_XCHG(xchgw, "w", "+q"); ! 1137: TEST_XCHG(xchgb, "b", "+q"); ! 1138: ! 1139: #if defined(__x86_64__) ! 1140: TEST_XCHG(xchgq, "", "=m"); ! 1141: #endif ! 1142: TEST_XCHG(xchgl, "k", "+m"); ! 1143: TEST_XCHG(xchgw, "w", "+m"); ! 1144: TEST_XCHG(xchgb, "b", "+m"); ! 1145: ! 1146: #if defined(__x86_64__) ! 1147: TEST_XCHG(xaddq, "", "+q"); ! 1148: #endif ! 1149: TEST_XCHG(xaddl, "k", "+q"); ! 1150: TEST_XCHG(xaddw, "w", "+q"); ! 1151: TEST_XCHG(xaddb, "b", "+q"); ! 1152: ! 1153: { ! 1154: int res; ! 1155: res = 0x12345678; ! 1156: asm("xaddl %1, %0" : "=r" (res) : "0" (res)); ! 1157: printf("xaddl same res=%08x\n", res); ! 1158: } ! 1159: ! 1160: #if defined(__x86_64__) ! 1161: TEST_XCHG(xaddq, "", "+m"); ! 1162: #endif ! 1163: TEST_XCHG(xaddl, "k", "+m"); ! 1164: TEST_XCHG(xaddw, "w", "+m"); ! 1165: TEST_XCHG(xaddb, "b", "+m"); ! 1166: ! 1167: #if defined(__x86_64__) ! 1168: TEST_CMPXCHG(cmpxchgq, "", "+q", 0xfbca7654); ! 1169: #endif ! 1170: TEST_CMPXCHG(cmpxchgl, "k", "+q", 0xfbca7654); ! 1171: TEST_CMPXCHG(cmpxchgw, "w", "+q", 0xfbca7654); ! 1172: TEST_CMPXCHG(cmpxchgb, "b", "+q", 0xfbca7654); ! 1173: ! 1174: #if defined(__x86_64__) ! 1175: TEST_CMPXCHG(cmpxchgq, "", "+q", 0xfffefdfc); ! 1176: #endif ! 1177: TEST_CMPXCHG(cmpxchgl, "k", "+q", 0xfffefdfc); ! 1178: TEST_CMPXCHG(cmpxchgw, "w", "+q", 0xfffefdfc); ! 1179: TEST_CMPXCHG(cmpxchgb, "b", "+q", 0xfffefdfc); ! 1180: ! 1181: #if defined(__x86_64__) ! 1182: TEST_CMPXCHG(cmpxchgq, "", "+m", 0xfbca7654); ! 1183: #endif ! 1184: TEST_CMPXCHG(cmpxchgl, "k", "+m", 0xfbca7654); ! 1185: TEST_CMPXCHG(cmpxchgw, "w", "+m", 0xfbca7654); ! 1186: TEST_CMPXCHG(cmpxchgb, "b", "+m", 0xfbca7654); ! 1187: ! 1188: #if defined(__x86_64__) ! 1189: TEST_CMPXCHG(cmpxchgq, "", "+m", 0xfffefdfc); ! 1190: #endif ! 1191: TEST_CMPXCHG(cmpxchgl, "k", "+m", 0xfffefdfc); ! 1192: TEST_CMPXCHG(cmpxchgw, "w", "+m", 0xfffefdfc); ! 1193: TEST_CMPXCHG(cmpxchgb, "b", "+m", 0xfffefdfc); ! 1194: ! 1195: { ! 1196: uint64_t op0, op1, op2; ! 1197: long eax, edx; ! 1198: long i, eflags; ! 1199: ! 1200: for(i = 0; i < 2; i++) { ! 1201: op0 = 0x123456789abcdLL; ! 1202: eax = i2l(op0 & 0xffffffff); ! 1203: edx = i2l(op0 >> 32); ! 1204: if (i == 0) ! 1205: op1 = 0xfbca765423456LL; ! 1206: else ! 1207: op1 = op0; ! 1208: op2 = 0x6532432432434LL; ! 1209: asm("cmpxchg8b %2\n" ! 1210: "pushf\n" ! 1211: "pop %3\n" ! 1212: : "=a" (eax), "=d" (edx), "=m" (op1), "=g" (eflags) ! 1213: : "0" (eax), "1" (edx), "m" (op1), "b" ((int)op2), "c" ((int)(op2 >> 32))); ! 1214: printf("cmpxchg8b: eax=" FMTLX " edx=" FMTLX " op1=" FMT64X " CC=%02lx\n", ! 1215: eax, edx, op1, eflags & CC_Z); ! 1216: } ! 1217: } ! 1218: } ! 1219: ! 1220: #ifdef TEST_SEGS ! 1221: /**********************************************/ ! 1222: /* segmentation tests */ ! 1223: ! 1224: #include <sys/syscall.h> ! 1225: #include <unistd.h> ! 1226: #include <asm/ldt.h> ! 1227: #include <linux/version.h> ! 1228: ! 1229: static inline int modify_ldt(int func, void * ptr, unsigned long bytecount) ! 1230: { ! 1231: return syscall(__NR_modify_ldt, func, ptr, bytecount); ! 1232: } ! 1233: ! 1234: #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 66) ! 1235: #define modify_ldt_ldt_s user_desc ! 1236: #endif ! 1237: ! 1238: #define MK_SEL(n) (((n) << 3) | 7) ! 1239: ! 1240: uint8_t seg_data1[4096]; ! 1241: uint8_t seg_data2[4096]; ! 1242: ! 1243: #define TEST_LR(op, size, seg, mask)\ ! 1244: {\ ! 1245: int res, res2;\ ! 1246: uint16_t mseg = seg;\ ! 1247: res = 0x12345678;\ ! 1248: asm (op " %" size "2, %" size "0\n" \ ! 1249: "movl $0, %1\n"\ ! 1250: "jnz 1f\n"\ ! 1251: "movl $1, %1\n"\ ! 1252: "1:\n"\ ! 1253: : "=r" (res), "=r" (res2) : "m" (mseg), "0" (res));\ ! 1254: printf(op ": Z=%d %08x\n", res2, res & ~(mask));\ ! 1255: } ! 1256: ! 1257: #define TEST_ARPL(op, size, op1, op2)\ ! 1258: {\ ! 1259: long a, b, c; \ ! 1260: a = (op1); \ ! 1261: b = (op2); \ ! 1262: asm volatile(op " %" size "3, %" size "0\n"\ ! 1263: "movl $0,%1\n"\ ! 1264: "jnz 1f\n"\ ! 1265: "movl $1,%1\n"\ ! 1266: "1:\n"\ ! 1267: : "=r" (a), "=r" (c) : "0" (a), "r" (b)); \ ! 1268: printf(op size " A=" FMTLX " B=" FMTLX " R=" FMTLX " z=%ld\n",\ ! 1269: (long)(op1), (long)(op2), a, c);\ ! 1270: } ! 1271: ! 1272: /* NOTE: we use Linux modify_ldt syscall */ ! 1273: void test_segs(void) ! 1274: { ! 1275: struct modify_ldt_ldt_s ldt; ! 1276: long long ldt_table[3]; ! 1277: int res, res2; ! 1278: char tmp; ! 1279: struct { ! 1280: uint32_t offset; ! 1281: uint16_t seg; ! 1282: } QEMU_PACKED segoff; ! 1283: ! 1284: ldt.entry_number = 1; ! 1285: ldt.base_addr = (unsigned long)&seg_data1; ! 1286: ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12; ! 1287: ldt.seg_32bit = 1; ! 1288: ldt.contents = MODIFY_LDT_CONTENTS_DATA; ! 1289: ldt.read_exec_only = 0; ! 1290: ldt.limit_in_pages = 1; ! 1291: ldt.seg_not_present = 0; ! 1292: ldt.useable = 1; ! 1293: modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ ! 1294: ! 1295: ldt.entry_number = 2; ! 1296: ldt.base_addr = (unsigned long)&seg_data2; ! 1297: ldt.limit = (sizeof(seg_data2) + 0xfff) >> 12; ! 1298: ldt.seg_32bit = 1; ! 1299: ldt.contents = MODIFY_LDT_CONTENTS_DATA; ! 1300: ldt.read_exec_only = 0; ! 1301: ldt.limit_in_pages = 1; ! 1302: ldt.seg_not_present = 0; ! 1303: ldt.useable = 1; ! 1304: modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ ! 1305: ! 1306: modify_ldt(0, &ldt_table, sizeof(ldt_table)); /* read ldt entries */ ! 1307: #if 0 ! 1308: { ! 1309: int i; ! 1310: for(i=0;i<3;i++) ! 1311: printf("%d: %016Lx\n", i, ldt_table[i]); ! 1312: } ! 1313: #endif ! 1314: /* do some tests with fs or gs */ ! 1315: asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1))); ! 1316: ! 1317: seg_data1[1] = 0xaa; ! 1318: seg_data2[1] = 0x55; ! 1319: ! 1320: asm volatile ("fs movzbl 0x1, %0" : "=r" (res)); ! 1321: printf("FS[1] = %02x\n", res); ! 1322: ! 1323: asm volatile ("pushl %%gs\n" ! 1324: "movl %1, %%gs\n" ! 1325: "gs movzbl 0x1, %0\n" ! 1326: "popl %%gs\n" ! 1327: : "=r" (res) ! 1328: : "r" (MK_SEL(2))); ! 1329: printf("GS[1] = %02x\n", res); ! 1330: ! 1331: /* tests with ds/ss (implicit segment case) */ ! 1332: tmp = 0xa5; ! 1333: asm volatile ("pushl %%ebp\n\t" ! 1334: "pushl %%ds\n\t" ! 1335: "movl %2, %%ds\n\t" ! 1336: "movl %3, %%ebp\n\t" ! 1337: "movzbl 0x1, %0\n\t" ! 1338: "movzbl (%%ebp), %1\n\t" ! 1339: "popl %%ds\n\t" ! 1340: "popl %%ebp\n\t" ! 1341: : "=r" (res), "=r" (res2) ! 1342: : "r" (MK_SEL(1)), "r" (&tmp)); ! 1343: printf("DS[1] = %02x\n", res); ! 1344: printf("SS[tmp] = %02x\n", res2); ! 1345: ! 1346: segoff.seg = MK_SEL(2); ! 1347: segoff.offset = 0xabcdef12; ! 1348: asm volatile("lfs %2, %0\n\t" ! 1349: "movl %%fs, %1\n\t" ! 1350: : "=r" (res), "=g" (res2) ! 1351: : "m" (segoff)); ! 1352: printf("FS:reg = %04x:%08x\n", res2, res); ! 1353: ! 1354: TEST_LR("larw", "w", MK_SEL(2), 0x0100); ! 1355: TEST_LR("larl", "", MK_SEL(2), 0x0100); ! 1356: TEST_LR("lslw", "w", MK_SEL(2), 0); ! 1357: TEST_LR("lsll", "", MK_SEL(2), 0); ! 1358: ! 1359: TEST_LR("larw", "w", 0xfff8, 0); ! 1360: TEST_LR("larl", "", 0xfff8, 0); ! 1361: TEST_LR("lslw", "w", 0xfff8, 0); ! 1362: TEST_LR("lsll", "", 0xfff8, 0); ! 1363: ! 1364: TEST_ARPL("arpl", "w", 0x12345678 | 3, 0x762123c | 1); ! 1365: TEST_ARPL("arpl", "w", 0x12345678 | 1, 0x762123c | 3); ! 1366: TEST_ARPL("arpl", "w", 0x12345678 | 1, 0x762123c | 1); ! 1367: } ! 1368: ! 1369: /* 16 bit code test */ ! 1370: extern char code16_start, code16_end; ! 1371: extern char code16_func1; ! 1372: extern char code16_func2; ! 1373: extern char code16_func3; ! 1374: ! 1375: void test_code16(void) ! 1376: { ! 1377: struct modify_ldt_ldt_s ldt; ! 1378: int res, res2; ! 1379: ! 1380: /* build a code segment */ ! 1381: ldt.entry_number = 1; ! 1382: ldt.base_addr = (unsigned long)&code16_start; ! 1383: ldt.limit = &code16_end - &code16_start; ! 1384: ldt.seg_32bit = 0; ! 1385: ldt.contents = MODIFY_LDT_CONTENTS_CODE; ! 1386: ldt.read_exec_only = 0; ! 1387: ldt.limit_in_pages = 0; ! 1388: ldt.seg_not_present = 0; ! 1389: ldt.useable = 1; ! 1390: modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ ! 1391: ! 1392: /* call the first function */ ! 1393: asm volatile ("lcall %1, %2" ! 1394: : "=a" (res) ! 1395: : "i" (MK_SEL(1)), "i" (&code16_func1): "memory", "cc"); ! 1396: printf("func1() = 0x%08x\n", res); ! 1397: asm volatile ("lcall %2, %3" ! 1398: : "=a" (res), "=c" (res2) ! 1399: : "i" (MK_SEL(1)), "i" (&code16_func2): "memory", "cc"); ! 1400: printf("func2() = 0x%08x spdec=%d\n", res, res2); ! 1401: asm volatile ("lcall %1, %2" ! 1402: : "=a" (res) ! 1403: : "i" (MK_SEL(1)), "i" (&code16_func3): "memory", "cc"); ! 1404: printf("func3() = 0x%08x\n", res); ! 1405: } ! 1406: #endif ! 1407: ! 1408: #if defined(__x86_64__) ! 1409: asm(".globl func_lret\n" ! 1410: "func_lret:\n" ! 1411: "movl $0x87654641, %eax\n" ! 1412: "lretq\n"); ! 1413: #else ! 1414: asm(".globl func_lret\n" ! 1415: "func_lret:\n" ! 1416: "movl $0x87654321, %eax\n" ! 1417: "lret\n" ! 1418: ! 1419: ".globl func_iret\n" ! 1420: "func_iret:\n" ! 1421: "movl $0xabcd4321, %eax\n" ! 1422: "iret\n"); ! 1423: #endif ! 1424: ! 1425: extern char func_lret; ! 1426: extern char func_iret; ! 1427: ! 1428: void test_misc(void) ! 1429: { ! 1430: char table[256]; ! 1431: long res, i; ! 1432: ! 1433: for(i=0;i<256;i++) table[i] = 256 - i; ! 1434: res = 0x12345678; ! 1435: asm ("xlat" : "=a" (res) : "b" (table), "0" (res)); ! 1436: printf("xlat: EAX=" FMTLX "\n", res); ! 1437: ! 1438: #if defined(__x86_64__) ! 1439: #if 0 ! 1440: { ! 1441: /* XXX: see if Intel Core2 and AMD64 behavior really ! 1442: differ. Here we implemented the Intel way which is not ! 1443: compatible yet with QEMU. */ ! 1444: static struct QEMU_PACKED { ! 1445: uint64_t offset; ! 1446: uint16_t seg; ! 1447: } desc; ! 1448: long cs_sel; ! 1449: ! 1450: asm volatile ("mov %%cs, %0" : "=r" (cs_sel)); ! 1451: ! 1452: asm volatile ("push %1\n" ! 1453: "call func_lret\n" ! 1454: : "=a" (res) ! 1455: : "r" (cs_sel) : "memory", "cc"); ! 1456: printf("func_lret=" FMTLX "\n", res); ! 1457: ! 1458: desc.offset = (long)&func_lret; ! 1459: desc.seg = cs_sel; ! 1460: ! 1461: asm volatile ("xor %%rax, %%rax\n" ! 1462: "rex64 lcall *(%%rcx)\n" ! 1463: : "=a" (res) ! 1464: : "c" (&desc) ! 1465: : "memory", "cc"); ! 1466: printf("func_lret2=" FMTLX "\n", res); ! 1467: ! 1468: asm volatile ("push %2\n" ! 1469: "mov $ 1f, %%rax\n" ! 1470: "push %%rax\n" ! 1471: "rex64 ljmp *(%%rcx)\n" ! 1472: "1:\n" ! 1473: : "=a" (res) ! 1474: : "c" (&desc), "b" (cs_sel) ! 1475: : "memory", "cc"); ! 1476: printf("func_lret3=" FMTLX "\n", res); ! 1477: } ! 1478: #endif ! 1479: #else ! 1480: asm volatile ("push %%cs ; call %1" ! 1481: : "=a" (res) ! 1482: : "m" (func_lret): "memory", "cc"); ! 1483: printf("func_lret=" FMTLX "\n", res); ! 1484: ! 1485: asm volatile ("pushf ; push %%cs ; call %1" ! 1486: : "=a" (res) ! 1487: : "m" (func_iret): "memory", "cc"); ! 1488: printf("func_iret=" FMTLX "\n", res); ! 1489: #endif ! 1490: ! 1491: #if defined(__x86_64__) ! 1492: /* specific popl test */ ! 1493: asm volatile ("push $12345432 ; push $0x9abcdef ; pop (%%rsp) ; pop %0" ! 1494: : "=g" (res)); ! 1495: printf("popl esp=" FMTLX "\n", res); ! 1496: #else ! 1497: /* specific popl test */ ! 1498: asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popl (%%esp) ; popl %0" ! 1499: : "=g" (res)); ! 1500: printf("popl esp=" FMTLX "\n", res); ! 1501: ! 1502: /* specific popw test */ ! 1503: asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popw (%%esp) ; addl $2, %%esp ; popl %0" ! 1504: : "=g" (res)); ! 1505: printf("popw esp=" FMTLX "\n", res); ! 1506: #endif ! 1507: } ! 1508: ! 1509: uint8_t str_buffer[4096]; ! 1510: ! 1511: #define TEST_STRING1(OP, size, DF, REP)\ ! 1512: {\ ! 1513: long esi, edi, eax, ecx, eflags;\ ! 1514: \ ! 1515: esi = (long)(str_buffer + sizeof(str_buffer) / 2);\ ! 1516: edi = (long)(str_buffer + sizeof(str_buffer) / 2) + 16;\ ! 1517: eax = i2l(0x12345678);\ ! 1518: ecx = 17;\ ! 1519: \ ! 1520: asm volatile ("push $0\n\t"\ ! 1521: "popf\n\t"\ ! 1522: DF "\n\t"\ ! 1523: REP #OP size "\n\t"\ ! 1524: "cld\n\t"\ ! 1525: "pushf\n\t"\ ! 1526: "pop %4\n\t"\ ! 1527: : "=S" (esi), "=D" (edi), "=a" (eax), "=c" (ecx), "=g" (eflags)\ ! 1528: : "0" (esi), "1" (edi), "2" (eax), "3" (ecx));\ ! 1529: printf("%-10s ESI=" FMTLX " EDI=" FMTLX " EAX=" FMTLX " ECX=" FMTLX " EFL=%04x\n",\ ! 1530: REP #OP size, esi, edi, eax, ecx,\ ! 1531: (int)(eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)));\ ! 1532: } ! 1533: ! 1534: #define TEST_STRING(OP, REP)\ ! 1535: TEST_STRING1(OP, "b", "", REP);\ ! 1536: TEST_STRING1(OP, "w", "", REP);\ ! 1537: TEST_STRING1(OP, "l", "", REP);\ ! 1538: X86_64_ONLY(TEST_STRING1(OP, "q", "", REP));\ ! 1539: TEST_STRING1(OP, "b", "std", REP);\ ! 1540: TEST_STRING1(OP, "w", "std", REP);\ ! 1541: TEST_STRING1(OP, "l", "std", REP);\ ! 1542: X86_64_ONLY(TEST_STRING1(OP, "q", "std", REP)) ! 1543: ! 1544: void test_string(void) ! 1545: { ! 1546: int i; ! 1547: for(i = 0;i < sizeof(str_buffer); i++) ! 1548: str_buffer[i] = i + 0x56; ! 1549: TEST_STRING(stos, ""); ! 1550: TEST_STRING(stos, "rep "); ! 1551: TEST_STRING(lods, ""); /* to verify stos */ ! 1552: TEST_STRING(lods, "rep "); ! 1553: TEST_STRING(movs, ""); ! 1554: TEST_STRING(movs, "rep "); ! 1555: TEST_STRING(lods, ""); /* to verify stos */ ! 1556: ! 1557: /* XXX: better tests */ ! 1558: TEST_STRING(scas, ""); ! 1559: TEST_STRING(scas, "repz "); ! 1560: TEST_STRING(scas, "repnz "); ! 1561: TEST_STRING(cmps, ""); ! 1562: TEST_STRING(cmps, "repz "); ! 1563: TEST_STRING(cmps, "repnz "); ! 1564: } ! 1565: ! 1566: #ifdef TEST_VM86 ! 1567: /* VM86 test */ ! 1568: ! 1569: static inline void set_bit(uint8_t *a, unsigned int bit) ! 1570: { ! 1571: a[bit / 8] |= (1 << (bit % 8)); ! 1572: } ! 1573: ! 1574: static inline uint8_t *seg_to_linear(unsigned int seg, unsigned int reg) ! 1575: { ! 1576: return (uint8_t *)((seg << 4) + (reg & 0xffff)); ! 1577: } ! 1578: ! 1579: static inline void pushw(struct vm86_regs *r, int val) ! 1580: { ! 1581: r->esp = (r->esp & ~0xffff) | ((r->esp - 2) & 0xffff); ! 1582: *(uint16_t *)seg_to_linear(r->ss, r->esp) = val; ! 1583: } ! 1584: ! 1585: static inline int vm86(int func, struct vm86plus_struct *v86) ! 1586: { ! 1587: return syscall(__NR_vm86, func, v86); ! 1588: } ! 1589: ! 1590: extern char vm86_code_start; ! 1591: extern char vm86_code_end; ! 1592: ! 1593: #define VM86_CODE_CS 0x100 ! 1594: #define VM86_CODE_IP 0x100 ! 1595: ! 1596: void test_vm86(void) ! 1597: { ! 1598: struct vm86plus_struct ctx; ! 1599: struct vm86_regs *r; ! 1600: uint8_t *vm86_mem; ! 1601: int seg, ret; ! 1602: ! 1603: vm86_mem = mmap((void *)0x00000000, 0x110000, ! 1604: PROT_WRITE | PROT_READ | PROT_EXEC, ! 1605: MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0); ! 1606: if (vm86_mem == MAP_FAILED) { ! 1607: printf("ERROR: could not map vm86 memory"); ! 1608: return; ! 1609: } ! 1610: memset(&ctx, 0, sizeof(ctx)); ! 1611: ! 1612: /* init basic registers */ ! 1613: r = &ctx.regs; ! 1614: r->eip = VM86_CODE_IP; ! 1615: r->esp = 0xfffe; ! 1616: seg = VM86_CODE_CS; ! 1617: r->cs = seg; ! 1618: r->ss = seg; ! 1619: r->ds = seg; ! 1620: r->es = seg; ! 1621: r->fs = seg; ! 1622: r->gs = seg; ! 1623: r->eflags = VIF_MASK; ! 1624: ! 1625: /* move code to proper address. We use the same layout as a .com ! 1626: dos program. */ ! 1627: memcpy(vm86_mem + (VM86_CODE_CS << 4) + VM86_CODE_IP, ! 1628: &vm86_code_start, &vm86_code_end - &vm86_code_start); ! 1629: ! 1630: /* mark int 0x21 as being emulated */ ! 1631: set_bit((uint8_t *)&ctx.int_revectored, 0x21); ! 1632: ! 1633: for(;;) { ! 1634: ret = vm86(VM86_ENTER, &ctx); ! 1635: switch(VM86_TYPE(ret)) { ! 1636: case VM86_INTx: ! 1637: { ! 1638: int int_num, ah, v; ! 1639: ! 1640: int_num = VM86_ARG(ret); ! 1641: if (int_num != 0x21) ! 1642: goto unknown_int; ! 1643: ah = (r->eax >> 8) & 0xff; ! 1644: switch(ah) { ! 1645: case 0x00: /* exit */ ! 1646: goto the_end; ! 1647: case 0x02: /* write char */ ! 1648: { ! 1649: uint8_t c = r->edx; ! 1650: putchar(c); ! 1651: } ! 1652: break; ! 1653: case 0x09: /* write string */ ! 1654: { ! 1655: uint8_t c, *ptr; ! 1656: ptr = seg_to_linear(r->ds, r->edx); ! 1657: for(;;) { ! 1658: c = *ptr++; ! 1659: if (c == '$') ! 1660: break; ! 1661: putchar(c); ! 1662: } ! 1663: r->eax = (r->eax & ~0xff) | '$'; ! 1664: } ! 1665: break; ! 1666: case 0xff: /* extension: write eflags number in edx */ ! 1667: v = (int)r->edx; ! 1668: #ifndef LINUX_VM86_IOPL_FIX ! 1669: v &= ~0x3000; ! 1670: #endif ! 1671: printf("%08x\n", v); ! 1672: break; ! 1673: default: ! 1674: unknown_int: ! 1675: printf("unsupported int 0x%02x\n", int_num); ! 1676: goto the_end; ! 1677: } ! 1678: } ! 1679: break; ! 1680: case VM86_SIGNAL: ! 1681: /* a signal came, we just ignore that */ ! 1682: break; ! 1683: case VM86_STI: ! 1684: break; ! 1685: default: ! 1686: printf("ERROR: unhandled vm86 return code (0x%x)\n", ret); ! 1687: goto the_end; ! 1688: } ! 1689: } ! 1690: the_end: ! 1691: printf("VM86 end\n"); ! 1692: munmap(vm86_mem, 0x110000); ! 1693: } ! 1694: #endif ! 1695: ! 1696: /* exception tests */ ! 1697: #if defined(__i386__) && !defined(REG_EAX) ! 1698: #define REG_EAX EAX ! 1699: #define REG_EBX EBX ! 1700: #define REG_ECX ECX ! 1701: #define REG_EDX EDX ! 1702: #define REG_ESI ESI ! 1703: #define REG_EDI EDI ! 1704: #define REG_EBP EBP ! 1705: #define REG_ESP ESP ! 1706: #define REG_EIP EIP ! 1707: #define REG_EFL EFL ! 1708: #define REG_TRAPNO TRAPNO ! 1709: #define REG_ERR ERR ! 1710: #endif ! 1711: ! 1712: #if defined(__x86_64__) ! 1713: #define REG_EIP REG_RIP ! 1714: #endif ! 1715: ! 1716: jmp_buf jmp_env; ! 1717: int v1; ! 1718: int tab[2]; ! 1719: ! 1720: void sig_handler(int sig, siginfo_t *info, void *puc) ! 1721: { ! 1722: struct ucontext *uc = puc; ! 1723: ! 1724: printf("si_signo=%d si_errno=%d si_code=%d", ! 1725: info->si_signo, info->si_errno, info->si_code); ! 1726: printf(" si_addr=0x%08lx", ! 1727: (unsigned long)info->si_addr); ! 1728: printf("\n"); ! 1729: ! 1730: printf("trapno=" FMTLX " err=" FMTLX, ! 1731: (long)uc->uc_mcontext.gregs[REG_TRAPNO], ! 1732: (long)uc->uc_mcontext.gregs[REG_ERR]); ! 1733: printf(" EIP=" FMTLX, (long)uc->uc_mcontext.gregs[REG_EIP]); ! 1734: printf("\n"); ! 1735: longjmp(jmp_env, 1); ! 1736: } ! 1737: ! 1738: void test_exceptions(void) ! 1739: { ! 1740: struct sigaction act; ! 1741: volatile int val; ! 1742: ! 1743: act.sa_sigaction = sig_handler; ! 1744: sigemptyset(&act.sa_mask); ! 1745: act.sa_flags = SA_SIGINFO | SA_NODEFER; ! 1746: sigaction(SIGFPE, &act, NULL); ! 1747: sigaction(SIGILL, &act, NULL); ! 1748: sigaction(SIGSEGV, &act, NULL); ! 1749: sigaction(SIGBUS, &act, NULL); ! 1750: sigaction(SIGTRAP, &act, NULL); ! 1751: ! 1752: /* test division by zero reporting */ ! 1753: printf("DIVZ exception:\n"); ! 1754: if (setjmp(jmp_env) == 0) { ! 1755: /* now divide by zero */ ! 1756: v1 = 0; ! 1757: v1 = 2 / v1; ! 1758: } ! 1759: ! 1760: #if !defined(__x86_64__) ! 1761: printf("BOUND exception:\n"); ! 1762: if (setjmp(jmp_env) == 0) { ! 1763: /* bound exception */ ! 1764: tab[0] = 1; ! 1765: tab[1] = 10; ! 1766: asm volatile ("bound %0, %1" : : "r" (11), "m" (tab[0])); ! 1767: } ! 1768: #endif ! 1769: ! 1770: #ifdef TEST_SEGS ! 1771: printf("segment exceptions:\n"); ! 1772: if (setjmp(jmp_env) == 0) { ! 1773: /* load an invalid segment */ ! 1774: asm volatile ("movl %0, %%fs" : : "r" ((0x1234 << 3) | 1)); ! 1775: } ! 1776: if (setjmp(jmp_env) == 0) { ! 1777: /* null data segment is valid */ ! 1778: asm volatile ("movl %0, %%fs" : : "r" (3)); ! 1779: /* null stack segment */ ! 1780: asm volatile ("movl %0, %%ss" : : "r" (3)); ! 1781: } ! 1782: ! 1783: { ! 1784: struct modify_ldt_ldt_s ldt; ! 1785: ldt.entry_number = 1; ! 1786: ldt.base_addr = (unsigned long)&seg_data1; ! 1787: ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12; ! 1788: ldt.seg_32bit = 1; ! 1789: ldt.contents = MODIFY_LDT_CONTENTS_DATA; ! 1790: ldt.read_exec_only = 0; ! 1791: ldt.limit_in_pages = 1; ! 1792: ldt.seg_not_present = 1; ! 1793: ldt.useable = 1; ! 1794: modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ ! 1795: ! 1796: if (setjmp(jmp_env) == 0) { ! 1797: /* segment not present */ ! 1798: asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1))); ! 1799: } ! 1800: } ! 1801: #endif ! 1802: ! 1803: /* test SEGV reporting */ ! 1804: printf("PF exception:\n"); ! 1805: if (setjmp(jmp_env) == 0) { ! 1806: val = 1; ! 1807: /* we add a nop to test a weird PC retrieval case */ ! 1808: asm volatile ("nop"); ! 1809: /* now store in an invalid address */ ! 1810: *(char *)0x1234 = 1; ! 1811: } ! 1812: ! 1813: /* test SEGV reporting */ ! 1814: printf("PF exception:\n"); ! 1815: if (setjmp(jmp_env) == 0) { ! 1816: val = 1; ! 1817: /* read from an invalid address */ ! 1818: v1 = *(char *)0x1234; ! 1819: } ! 1820: ! 1821: /* test illegal instruction reporting */ ! 1822: printf("UD2 exception:\n"); ! 1823: if (setjmp(jmp_env) == 0) { ! 1824: /* now execute an invalid instruction */ ! 1825: asm volatile("ud2"); ! 1826: } ! 1827: printf("lock nop exception:\n"); ! 1828: if (setjmp(jmp_env) == 0) { ! 1829: /* now execute an invalid instruction */ ! 1830: asm volatile("lock nop"); ! 1831: } ! 1832: ! 1833: printf("INT exception:\n"); ! 1834: if (setjmp(jmp_env) == 0) { ! 1835: asm volatile ("int $0xfd"); ! 1836: } ! 1837: if (setjmp(jmp_env) == 0) { ! 1838: asm volatile ("int $0x01"); ! 1839: } ! 1840: if (setjmp(jmp_env) == 0) { ! 1841: asm volatile (".byte 0xcd, 0x03"); ! 1842: } ! 1843: if (setjmp(jmp_env) == 0) { ! 1844: asm volatile ("int $0x04"); ! 1845: } ! 1846: if (setjmp(jmp_env) == 0) { ! 1847: asm volatile ("int $0x05"); ! 1848: } ! 1849: ! 1850: printf("INT3 exception:\n"); ! 1851: if (setjmp(jmp_env) == 0) { ! 1852: asm volatile ("int3"); ! 1853: } ! 1854: ! 1855: printf("CLI exception:\n"); ! 1856: if (setjmp(jmp_env) == 0) { ! 1857: asm volatile ("cli"); ! 1858: } ! 1859: ! 1860: printf("STI exception:\n"); ! 1861: if (setjmp(jmp_env) == 0) { ! 1862: asm volatile ("cli"); ! 1863: } ! 1864: ! 1865: #if !defined(__x86_64__) ! 1866: printf("INTO exception:\n"); ! 1867: if (setjmp(jmp_env) == 0) { ! 1868: /* overflow exception */ ! 1869: asm volatile ("addl $1, %0 ; into" : : "r" (0x7fffffff)); ! 1870: } ! 1871: #endif ! 1872: ! 1873: printf("OUTB exception:\n"); ! 1874: if (setjmp(jmp_env) == 0) { ! 1875: asm volatile ("outb %%al, %%dx" : : "d" (0x4321), "a" (0)); ! 1876: } ! 1877: ! 1878: printf("INB exception:\n"); ! 1879: if (setjmp(jmp_env) == 0) { ! 1880: asm volatile ("inb %%dx, %%al" : "=a" (val) : "d" (0x4321)); ! 1881: } ! 1882: ! 1883: printf("REP OUTSB exception:\n"); ! 1884: if (setjmp(jmp_env) == 0) { ! 1885: asm volatile ("rep outsb" : : "d" (0x4321), "S" (tab), "c" (1)); ! 1886: } ! 1887: ! 1888: printf("REP INSB exception:\n"); ! 1889: if (setjmp(jmp_env) == 0) { ! 1890: asm volatile ("rep insb" : : "d" (0x4321), "D" (tab), "c" (1)); ! 1891: } ! 1892: ! 1893: printf("HLT exception:\n"); ! 1894: if (setjmp(jmp_env) == 0) { ! 1895: asm volatile ("hlt"); ! 1896: } ! 1897: ! 1898: printf("single step exception:\n"); ! 1899: val = 0; ! 1900: if (setjmp(jmp_env) == 0) { ! 1901: asm volatile ("pushf\n" ! 1902: "orl $0x00100, (%%esp)\n" ! 1903: "popf\n" ! 1904: "movl $0xabcd, %0\n" ! 1905: "movl $0x0, %0\n" : "=m" (val) : : "cc", "memory"); ! 1906: } ! 1907: printf("val=0x%x\n", val); ! 1908: } ! 1909: ! 1910: #if !defined(__x86_64__) ! 1911: /* specific precise single step test */ ! 1912: void sig_trap_handler(int sig, siginfo_t *info, void *puc) ! 1913: { ! 1914: struct ucontext *uc = puc; ! 1915: printf("EIP=" FMTLX "\n", (long)uc->uc_mcontext.gregs[REG_EIP]); ! 1916: } ! 1917: ! 1918: const uint8_t sstep_buf1[4] = { 1, 2, 3, 4}; ! 1919: uint8_t sstep_buf2[4]; ! 1920: ! 1921: void test_single_step(void) ! 1922: { ! 1923: struct sigaction act; ! 1924: volatile int val; ! 1925: int i; ! 1926: ! 1927: val = 0; ! 1928: act.sa_sigaction = sig_trap_handler; ! 1929: sigemptyset(&act.sa_mask); ! 1930: act.sa_flags = SA_SIGINFO; ! 1931: sigaction(SIGTRAP, &act, NULL); ! 1932: asm volatile ("pushf\n" ! 1933: "orl $0x00100, (%%esp)\n" ! 1934: "popf\n" ! 1935: "movl $0xabcd, %0\n" ! 1936: ! 1937: /* jmp test */ ! 1938: "movl $3, %%ecx\n" ! 1939: "1:\n" ! 1940: "addl $1, %0\n" ! 1941: "decl %%ecx\n" ! 1942: "jnz 1b\n" ! 1943: ! 1944: /* movsb: the single step should stop at each movsb iteration */ ! 1945: "movl $sstep_buf1, %%esi\n" ! 1946: "movl $sstep_buf2, %%edi\n" ! 1947: "movl $0, %%ecx\n" ! 1948: "rep movsb\n" ! 1949: "movl $3, %%ecx\n" ! 1950: "rep movsb\n" ! 1951: "movl $1, %%ecx\n" ! 1952: "rep movsb\n" ! 1953: ! 1954: /* cmpsb: the single step should stop at each cmpsb iteration */ ! 1955: "movl $sstep_buf1, %%esi\n" ! 1956: "movl $sstep_buf2, %%edi\n" ! 1957: "movl $0, %%ecx\n" ! 1958: "rep cmpsb\n" ! 1959: "movl $4, %%ecx\n" ! 1960: "rep cmpsb\n" ! 1961: ! 1962: /* getpid() syscall: single step should skip one ! 1963: instruction */ ! 1964: "movl $20, %%eax\n" ! 1965: "int $0x80\n" ! 1966: "movl $0, %%eax\n" ! 1967: ! 1968: /* when modifying SS, trace is not done on the next ! 1969: instruction */ ! 1970: "movl %%ss, %%ecx\n" ! 1971: "movl %%ecx, %%ss\n" ! 1972: "addl $1, %0\n" ! 1973: "movl $1, %%eax\n" ! 1974: "movl %%ecx, %%ss\n" ! 1975: "jmp 1f\n" ! 1976: "addl $1, %0\n" ! 1977: "1:\n" ! 1978: "movl $1, %%eax\n" ! 1979: "pushl %%ecx\n" ! 1980: "popl %%ss\n" ! 1981: "addl $1, %0\n" ! 1982: "movl $1, %%eax\n" ! 1983: ! 1984: "pushf\n" ! 1985: "andl $~0x00100, (%%esp)\n" ! 1986: "popf\n" ! 1987: : "=m" (val) ! 1988: : ! 1989: : "cc", "memory", "eax", "ecx", "esi", "edi"); ! 1990: printf("val=%d\n", val); ! 1991: for(i = 0; i < 4; i++) ! 1992: printf("sstep_buf2[%d] = %d\n", i, sstep_buf2[i]); ! 1993: } ! 1994: ! 1995: /* self modifying code test */ ! 1996: uint8_t code[] = { ! 1997: 0xb8, 0x1, 0x00, 0x00, 0x00, /* movl $1, %eax */ ! 1998: 0xc3, /* ret */ ! 1999: }; ! 2000: ! 2001: asm(".section \".data\"\n" ! 2002: "smc_code2:\n" ! 2003: "movl 4(%esp), %eax\n" ! 2004: "movl %eax, smc_patch_addr2 + 1\n" ! 2005: "nop\n" ! 2006: "nop\n" ! 2007: "nop\n" ! 2008: "nop\n" ! 2009: "nop\n" ! 2010: "nop\n" ! 2011: "nop\n" ! 2012: "nop\n" ! 2013: "smc_patch_addr2:\n" ! 2014: "movl $1, %eax\n" ! 2015: "ret\n" ! 2016: ".previous\n" ! 2017: ); ! 2018: ! 2019: typedef int FuncType(void); ! 2020: extern int smc_code2(int); ! 2021: void test_self_modifying_code(void) ! 2022: { ! 2023: int i; ! 2024: printf("self modifying code:\n"); ! 2025: printf("func1 = 0x%x\n", ((FuncType *)code)()); ! 2026: for(i = 2; i <= 4; i++) { ! 2027: code[1] = i; ! 2028: printf("func%d = 0x%x\n", i, ((FuncType *)code)()); ! 2029: } ! 2030: ! 2031: /* more difficult test : the modified code is just after the ! 2032: modifying instruction. It is forbidden in Intel specs, but it ! 2033: is used by old DOS programs */ ! 2034: for(i = 2; i <= 4; i++) { ! 2035: printf("smc_code2(%d) = %d\n", i, smc_code2(i)); ! 2036: } ! 2037: } ! 2038: #endif ! 2039: ! 2040: long enter_stack[4096]; ! 2041: ! 2042: #if defined(__x86_64__) ! 2043: #define RSP "%%rsp" ! 2044: #define RBP "%%rbp" ! 2045: #else ! 2046: #define RSP "%%esp" ! 2047: #define RBP "%%ebp" ! 2048: #endif ! 2049: ! 2050: #if !defined(__x86_64__) ! 2051: /* causes an infinite loop, disable it for now. */ ! 2052: #define TEST_ENTER(size, stack_type, level) ! 2053: #else ! 2054: #define TEST_ENTER(size, stack_type, level)\ ! 2055: {\ ! 2056: long esp_save, esp_val, ebp_val, ebp_save, i;\ ! 2057: stack_type *ptr, *stack_end, *stack_ptr;\ ! 2058: memset(enter_stack, 0, sizeof(enter_stack));\ ! 2059: stack_end = stack_ptr = (stack_type *)(enter_stack + 4096);\ ! 2060: ebp_val = (long)stack_ptr;\ ! 2061: for(i=1;i<=32;i++)\ ! 2062: *--stack_ptr = i;\ ! 2063: esp_val = (long)stack_ptr;\ ! 2064: asm("mov " RSP ", %[esp_save]\n"\ ! 2065: "mov " RBP ", %[ebp_save]\n"\ ! 2066: "mov %[esp_val], " RSP "\n"\ ! 2067: "mov %[ebp_val], " RBP "\n"\ ! 2068: "enter" size " $8, $" #level "\n"\ ! 2069: "mov " RSP ", %[esp_val]\n"\ ! 2070: "mov " RBP ", %[ebp_val]\n"\ ! 2071: "mov %[esp_save], " RSP "\n"\ ! 2072: "mov %[ebp_save], " RBP "\n"\ ! 2073: : [esp_save] "=r" (esp_save),\ ! 2074: [ebp_save] "=r" (ebp_save),\ ! 2075: [esp_val] "=r" (esp_val),\ ! 2076: [ebp_val] "=r" (ebp_val)\ ! 2077: : "[esp_val]" (esp_val),\ ! 2078: "[ebp_val]" (ebp_val));\ ! 2079: printf("level=%d:\n", level);\ ! 2080: printf("esp_val=" FMTLX "\n", esp_val - (long)stack_end);\ ! 2081: printf("ebp_val=" FMTLX "\n", ebp_val - (long)stack_end);\ ! 2082: for(ptr = (stack_type *)esp_val; ptr < stack_end; ptr++)\ ! 2083: printf(FMTLX "\n", (long)ptr[0]);\ ! 2084: } ! 2085: #endif ! 2086: ! 2087: static void test_enter(void) ! 2088: { ! 2089: #if defined(__x86_64__) ! 2090: TEST_ENTER("q", uint64_t, 0); ! 2091: TEST_ENTER("q", uint64_t, 1); ! 2092: TEST_ENTER("q", uint64_t, 2); ! 2093: TEST_ENTER("q", uint64_t, 31); ! 2094: #else ! 2095: TEST_ENTER("l", uint32_t, 0); ! 2096: TEST_ENTER("l", uint32_t, 1); ! 2097: TEST_ENTER("l", uint32_t, 2); ! 2098: TEST_ENTER("l", uint32_t, 31); ! 2099: #endif ! 2100: ! 2101: TEST_ENTER("w", uint16_t, 0); ! 2102: TEST_ENTER("w", uint16_t, 1); ! 2103: TEST_ENTER("w", uint16_t, 2); ! 2104: TEST_ENTER("w", uint16_t, 31); ! 2105: } ! 2106: ! 2107: #ifdef TEST_SSE ! 2108: ! 2109: typedef int __m64 __attribute__ ((__mode__ (__V2SI__))); ! 2110: typedef float __m128 __attribute__ ((__mode__(__V4SF__))); ! 2111: ! 2112: typedef union { ! 2113: double d[2]; ! 2114: float s[4]; ! 2115: uint32_t l[4]; ! 2116: uint64_t q[2]; ! 2117: __m128 dq; ! 2118: } XMMReg; ! 2119: ! 2120: static uint64_t __attribute__((aligned(16))) test_values[4][2] = { ! 2121: { 0x456723c698694873, 0xdc515cff944a58ec }, ! 2122: { 0x1f297ccd58bad7ab, 0x41f21efba9e3e146 }, ! 2123: { 0x007c62c2085427f8, 0x231be9e8cde7438d }, ! 2124: { 0x0f76255a085427f8, 0xc233e9e8c4c9439a }, ! 2125: }; ! 2126: ! 2127: #define SSE_OP(op)\ ! 2128: {\ ! 2129: asm volatile (#op " %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\ ! 2130: printf("%-9s: a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X " r=" FMT64X "" FMT64X "\n",\ ! 2131: #op,\ ! 2132: a.q[1], a.q[0],\ ! 2133: b.q[1], b.q[0],\ ! 2134: r.q[1], r.q[0]);\ ! 2135: } ! 2136: ! 2137: #define SSE_OP2(op)\ ! 2138: {\ ! 2139: int i;\ ! 2140: for(i=0;i<2;i++) {\ ! 2141: a.q[0] = test_values[2*i][0];\ ! 2142: a.q[1] = test_values[2*i][1];\ ! 2143: b.q[0] = test_values[2*i+1][0];\ ! 2144: b.q[1] = test_values[2*i+1][1];\ ! 2145: SSE_OP(op);\ ! 2146: }\ ! 2147: } ! 2148: ! 2149: #define MMX_OP2(op)\ ! 2150: {\ ! 2151: int i;\ ! 2152: for(i=0;i<2;i++) {\ ! 2153: a.q[0] = test_values[2*i][0];\ ! 2154: b.q[0] = test_values[2*i+1][0];\ ! 2155: asm volatile (#op " %2, %0" : "=y" (r.q[0]) : "0" (a.q[0]), "y" (b.q[0]));\ ! 2156: printf("%-9s: a=" FMT64X " b=" FMT64X " r=" FMT64X "\n",\ ! 2157: #op,\ ! 2158: a.q[0],\ ! 2159: b.q[0],\ ! 2160: r.q[0]);\ ! 2161: }\ ! 2162: SSE_OP2(op);\ ! 2163: } ! 2164: ! 2165: #define SHUF_OP(op, ib)\ ! 2166: {\ ! 2167: a.q[0] = test_values[0][0];\ ! 2168: a.q[1] = test_values[0][1];\ ! 2169: b.q[0] = test_values[1][0];\ ! 2170: b.q[1] = test_values[1][1];\ ! 2171: asm volatile (#op " $" #ib ", %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\ ! 2172: printf("%-9s: a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X " ib=%02x r=" FMT64X "" FMT64X "\n",\ ! 2173: #op,\ ! 2174: a.q[1], a.q[0],\ ! 2175: b.q[1], b.q[0],\ ! 2176: ib,\ ! 2177: r.q[1], r.q[0]);\ ! 2178: } ! 2179: ! 2180: #define PSHUF_OP(op, ib)\ ! 2181: {\ ! 2182: int i;\ ! 2183: for(i=0;i<2;i++) {\ ! 2184: a.q[0] = test_values[2*i][0];\ ! 2185: a.q[1] = test_values[2*i][1];\ ! 2186: asm volatile (#op " $" #ib ", %1, %0" : "=x" (r.dq) : "x" (a.dq));\ ! 2187: printf("%-9s: a=" FMT64X "" FMT64X " ib=%02x r=" FMT64X "" FMT64X "\n",\ ! 2188: #op,\ ! 2189: a.q[1], a.q[0],\ ! 2190: ib,\ ! 2191: r.q[1], r.q[0]);\ ! 2192: }\ ! 2193: } ! 2194: ! 2195: #define SHIFT_IM(op, ib)\ ! 2196: {\ ! 2197: int i;\ ! 2198: for(i=0;i<2;i++) {\ ! 2199: a.q[0] = test_values[2*i][0];\ ! 2200: a.q[1] = test_values[2*i][1];\ ! 2201: asm volatile (#op " $" #ib ", %0" : "=x" (r.dq) : "0" (a.dq));\ ! 2202: printf("%-9s: a=" FMT64X "" FMT64X " ib=%02x r=" FMT64X "" FMT64X "\n",\ ! 2203: #op,\ ! 2204: a.q[1], a.q[0],\ ! 2205: ib,\ ! 2206: r.q[1], r.q[0]);\ ! 2207: }\ ! 2208: } ! 2209: ! 2210: #define SHIFT_OP(op, ib)\ ! 2211: {\ ! 2212: int i;\ ! 2213: SHIFT_IM(op, ib);\ ! 2214: for(i=0;i<2;i++) {\ ! 2215: a.q[0] = test_values[2*i][0];\ ! 2216: a.q[1] = test_values[2*i][1];\ ! 2217: b.q[0] = ib;\ ! 2218: b.q[1] = 0;\ ! 2219: asm volatile (#op " %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\ ! 2220: printf("%-9s: a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X " r=" FMT64X "" FMT64X "\n",\ ! 2221: #op,\ ! 2222: a.q[1], a.q[0],\ ! 2223: b.q[1], b.q[0],\ ! 2224: r.q[1], r.q[0]);\ ! 2225: }\ ! 2226: } ! 2227: ! 2228: #define MOVMSK(op)\ ! 2229: {\ ! 2230: int i, reg;\ ! 2231: for(i=0;i<2;i++) {\ ! 2232: a.q[0] = test_values[2*i][0];\ ! 2233: a.q[1] = test_values[2*i][1];\ ! 2234: asm volatile (#op " %1, %0" : "=r" (reg) : "x" (a.dq));\ ! 2235: printf("%-9s: a=" FMT64X "" FMT64X " r=%08x\n",\ ! 2236: #op,\ ! 2237: a.q[1], a.q[0],\ ! 2238: reg);\ ! 2239: }\ ! 2240: } ! 2241: ! 2242: #define SSE_OPS(a) \ ! 2243: SSE_OP(a ## ps);\ ! 2244: SSE_OP(a ## ss); ! 2245: ! 2246: #define SSE_OPD(a) \ ! 2247: SSE_OP(a ## pd);\ ! 2248: SSE_OP(a ## sd); ! 2249: ! 2250: #define SSE_COMI(op, field)\ ! 2251: {\ ! 2252: unsigned int eflags;\ ! 2253: XMMReg a, b;\ ! 2254: a.field[0] = a1;\ ! 2255: b.field[0] = b1;\ ! 2256: asm volatile (#op " %2, %1\n"\ ! 2257: "pushf\n"\ ! 2258: "pop %0\n"\ ! 2259: : "=m" (eflags)\ ! 2260: : "x" (a.dq), "x" (b.dq));\ ! 2261: printf("%-9s: a=%f b=%f cc=%04x\n",\ ! 2262: #op, a1, b1,\ ! 2263: eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));\ ! 2264: } ! 2265: ! 2266: void test_sse_comi(double a1, double b1) ! 2267: { ! 2268: SSE_COMI(ucomiss, s); ! 2269: SSE_COMI(ucomisd, d); ! 2270: SSE_COMI(comiss, s); ! 2271: SSE_COMI(comisd, d); ! 2272: } ! 2273: ! 2274: #define CVT_OP_XMM(op)\ ! 2275: {\ ! 2276: asm volatile (#op " %1, %0" : "=x" (r.dq) : "x" (a.dq));\ ! 2277: printf("%-9s: a=" FMT64X "" FMT64X " r=" FMT64X "" FMT64X "\n",\ ! 2278: #op,\ ! 2279: a.q[1], a.q[0],\ ! 2280: r.q[1], r.q[0]);\ ! 2281: } ! 2282: ! 2283: /* Force %xmm0 usage to avoid the case where both register index are 0 ! 2284: to test instruction decoding more extensively */ ! 2285: #define CVT_OP_XMM2MMX(op)\ ! 2286: {\ ! 2287: asm volatile (#op " %1, %0" : "=y" (r.q[0]) : "x" (a.dq) \ ! 2288: : "%xmm0"); \ ! 2289: asm volatile("emms\n"); \ ! 2290: printf("%-9s: a=" FMT64X "" FMT64X " r=" FMT64X "\n",\ ! 2291: #op,\ ! 2292: a.q[1], a.q[0],\ ! 2293: r.q[0]);\ ! 2294: } ! 2295: ! 2296: #define CVT_OP_MMX2XMM(op)\ ! 2297: {\ ! 2298: asm volatile (#op " %1, %0" : "=x" (r.dq) : "y" (a.q[0]));\ ! 2299: asm volatile("emms\n"); \ ! 2300: printf("%-9s: a=" FMT64X " r=" FMT64X "" FMT64X "\n",\ ! 2301: #op,\ ! 2302: a.q[0],\ ! 2303: r.q[1], r.q[0]);\ ! 2304: } ! 2305: ! 2306: #define CVT_OP_REG2XMM(op)\ ! 2307: {\ ! 2308: asm volatile (#op " %1, %0" : "=x" (r.dq) : "r" (a.l[0]));\ ! 2309: printf("%-9s: a=%08x r=" FMT64X "" FMT64X "\n",\ ! 2310: #op,\ ! 2311: a.l[0],\ ! 2312: r.q[1], r.q[0]);\ ! 2313: } ! 2314: ! 2315: #define CVT_OP_XMM2REG(op)\ ! 2316: {\ ! 2317: asm volatile (#op " %1, %0" : "=r" (r.l[0]) : "x" (a.dq));\ ! 2318: printf("%-9s: a=" FMT64X "" FMT64X " r=%08x\n",\ ! 2319: #op,\ ! 2320: a.q[1], a.q[0],\ ! 2321: r.l[0]);\ ! 2322: } ! 2323: ! 2324: struct fpxstate { ! 2325: uint16_t fpuc; ! 2326: uint16_t fpus; ! 2327: uint16_t fptag; ! 2328: uint16_t fop; ! 2329: uint32_t fpuip; ! 2330: uint16_t cs_sel; ! 2331: uint16_t dummy0; ! 2332: uint32_t fpudp; ! 2333: uint16_t ds_sel; ! 2334: uint16_t dummy1; ! 2335: uint32_t mxcsr; ! 2336: uint32_t mxcsr_mask; ! 2337: uint8_t fpregs1[8 * 16]; ! 2338: uint8_t xmm_regs[8 * 16]; ! 2339: uint8_t dummy2[224]; ! 2340: }; ! 2341: ! 2342: static struct fpxstate fpx_state __attribute__((aligned(16))); ! 2343: static struct fpxstate fpx_state2 __attribute__((aligned(16))); ! 2344: ! 2345: void test_fxsave(void) ! 2346: { ! 2347: struct fpxstate *fp = &fpx_state; ! 2348: struct fpxstate *fp2 = &fpx_state2; ! 2349: int i, nb_xmm; ! 2350: XMMReg a, b; ! 2351: a.q[0] = test_values[0][0]; ! 2352: a.q[1] = test_values[0][1]; ! 2353: b.q[0] = test_values[1][0]; ! 2354: b.q[1] = test_values[1][1]; ! 2355: ! 2356: asm("movdqa %2, %%xmm0\n" ! 2357: "movdqa %3, %%xmm7\n" ! 2358: #if defined(__x86_64__) ! 2359: "movdqa %2, %%xmm15\n" ! 2360: #endif ! 2361: " fld1\n" ! 2362: " fldpi\n" ! 2363: " fldln2\n" ! 2364: " fxsave %0\n" ! 2365: " fxrstor %0\n" ! 2366: " fxsave %1\n" ! 2367: " fninit\n" ! 2368: : "=m" (*(uint32_t *)fp2), "=m" (*(uint32_t *)fp) ! 2369: : "m" (a), "m" (b)); ! 2370: printf("fpuc=%04x\n", fp->fpuc); ! 2371: printf("fpus=%04x\n", fp->fpus); ! 2372: printf("fptag=%04x\n", fp->fptag); ! 2373: for(i = 0; i < 3; i++) { ! 2374: printf("ST%d: " FMT64X " %04x\n", ! 2375: i, ! 2376: *(uint64_t *)&fp->fpregs1[i * 16], ! 2377: *(uint16_t *)&fp->fpregs1[i * 16 + 8]); ! 2378: } ! 2379: printf("mxcsr=%08x\n", fp->mxcsr & 0x1f80); ! 2380: #if defined(__x86_64__) ! 2381: nb_xmm = 16; ! 2382: #else ! 2383: nb_xmm = 8; ! 2384: #endif ! 2385: for(i = 0; i < nb_xmm; i++) { ! 2386: printf("xmm%d: " FMT64X "" FMT64X "\n", ! 2387: i, ! 2388: *(uint64_t *)&fp->xmm_regs[i * 16], ! 2389: *(uint64_t *)&fp->xmm_regs[i * 16 + 8]); ! 2390: } ! 2391: } ! 2392: ! 2393: void test_sse(void) ! 2394: { ! 2395: XMMReg r, a, b; ! 2396: int i; ! 2397: ! 2398: MMX_OP2(punpcklbw); ! 2399: MMX_OP2(punpcklwd); ! 2400: MMX_OP2(punpckldq); ! 2401: MMX_OP2(packsswb); ! 2402: MMX_OP2(pcmpgtb); ! 2403: MMX_OP2(pcmpgtw); ! 2404: MMX_OP2(pcmpgtd); ! 2405: MMX_OP2(packuswb); ! 2406: MMX_OP2(punpckhbw); ! 2407: MMX_OP2(punpckhwd); ! 2408: MMX_OP2(punpckhdq); ! 2409: MMX_OP2(packssdw); ! 2410: MMX_OP2(pcmpeqb); ! 2411: MMX_OP2(pcmpeqw); ! 2412: MMX_OP2(pcmpeqd); ! 2413: ! 2414: MMX_OP2(paddq); ! 2415: MMX_OP2(pmullw); ! 2416: MMX_OP2(psubusb); ! 2417: MMX_OP2(psubusw); ! 2418: MMX_OP2(pminub); ! 2419: MMX_OP2(pand); ! 2420: MMX_OP2(paddusb); ! 2421: MMX_OP2(paddusw); ! 2422: MMX_OP2(pmaxub); ! 2423: MMX_OP2(pandn); ! 2424: ! 2425: MMX_OP2(pmulhuw); ! 2426: MMX_OP2(pmulhw); ! 2427: ! 2428: MMX_OP2(psubsb); ! 2429: MMX_OP2(psubsw); ! 2430: MMX_OP2(pminsw); ! 2431: MMX_OP2(por); ! 2432: MMX_OP2(paddsb); ! 2433: MMX_OP2(paddsw); ! 2434: MMX_OP2(pmaxsw); ! 2435: MMX_OP2(pxor); ! 2436: MMX_OP2(pmuludq); ! 2437: MMX_OP2(pmaddwd); ! 2438: MMX_OP2(psadbw); ! 2439: MMX_OP2(psubb); ! 2440: MMX_OP2(psubw); ! 2441: MMX_OP2(psubd); ! 2442: MMX_OP2(psubq); ! 2443: MMX_OP2(paddb); ! 2444: MMX_OP2(paddw); ! 2445: MMX_OP2(paddd); ! 2446: ! 2447: MMX_OP2(pavgb); ! 2448: MMX_OP2(pavgw); ! 2449: ! 2450: asm volatile ("pinsrw $1, %1, %0" : "=y" (r.q[0]) : "r" (0x12345678)); ! 2451: printf("%-9s: r=" FMT64X "\n", "pinsrw", r.q[0]); ! 2452: ! 2453: asm volatile ("pinsrw $5, %1, %0" : "=x" (r.dq) : "r" (0x12345678)); ! 2454: printf("%-9s: r=" FMT64X "" FMT64X "\n", "pinsrw", r.q[1], r.q[0]); ! 2455: ! 2456: a.q[0] = test_values[0][0]; ! 2457: a.q[1] = test_values[0][1]; ! 2458: asm volatile ("pextrw $1, %1, %0" : "=r" (r.l[0]) : "y" (a.q[0])); ! 2459: printf("%-9s: r=%08x\n", "pextrw", r.l[0]); ! 2460: ! 2461: asm volatile ("pextrw $5, %1, %0" : "=r" (r.l[0]) : "x" (a.dq)); ! 2462: printf("%-9s: r=%08x\n", "pextrw", r.l[0]); ! 2463: ! 2464: asm volatile ("pmovmskb %1, %0" : "=r" (r.l[0]) : "y" (a.q[0])); ! 2465: printf("%-9s: r=%08x\n", "pmovmskb", r.l[0]); ! 2466: ! 2467: asm volatile ("pmovmskb %1, %0" : "=r" (r.l[0]) : "x" (a.dq)); ! 2468: printf("%-9s: r=%08x\n", "pmovmskb", r.l[0]); ! 2469: ! 2470: { ! 2471: r.q[0] = -1; ! 2472: r.q[1] = -1; ! 2473: ! 2474: a.q[0] = test_values[0][0]; ! 2475: a.q[1] = test_values[0][1]; ! 2476: b.q[0] = test_values[1][0]; ! 2477: b.q[1] = test_values[1][1]; ! 2478: asm volatile("maskmovq %1, %0" : ! 2479: : "y" (a.q[0]), "y" (b.q[0]), "D" (&r) ! 2480: : "memory"); ! 2481: printf("%-9s: r=" FMT64X " a=" FMT64X " b=" FMT64X "\n", ! 2482: "maskmov", ! 2483: r.q[0], ! 2484: a.q[0], ! 2485: b.q[0]); ! 2486: asm volatile("maskmovdqu %1, %0" : ! 2487: : "x" (a.dq), "x" (b.dq), "D" (&r) ! 2488: : "memory"); ! 2489: printf("%-9s: r=" FMT64X "" FMT64X " a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X "\n", ! 2490: "maskmov", ! 2491: r.q[1], r.q[0], ! 2492: a.q[1], a.q[0], ! 2493: b.q[1], b.q[0]); ! 2494: } ! 2495: ! 2496: asm volatile ("emms"); ! 2497: ! 2498: SSE_OP2(punpcklqdq); ! 2499: SSE_OP2(punpckhqdq); ! 2500: SSE_OP2(andps); ! 2501: SSE_OP2(andpd); ! 2502: SSE_OP2(andnps); ! 2503: SSE_OP2(andnpd); ! 2504: SSE_OP2(orps); ! 2505: SSE_OP2(orpd); ! 2506: SSE_OP2(xorps); ! 2507: SSE_OP2(xorpd); ! 2508: ! 2509: SSE_OP2(unpcklps); ! 2510: SSE_OP2(unpcklpd); ! 2511: SSE_OP2(unpckhps); ! 2512: SSE_OP2(unpckhpd); ! 2513: ! 2514: SHUF_OP(shufps, 0x78); ! 2515: SHUF_OP(shufpd, 0x02); ! 2516: ! 2517: PSHUF_OP(pshufd, 0x78); ! 2518: PSHUF_OP(pshuflw, 0x78); ! 2519: PSHUF_OP(pshufhw, 0x78); ! 2520: ! 2521: SHIFT_OP(psrlw, 7); ! 2522: SHIFT_OP(psrlw, 16); ! 2523: SHIFT_OP(psraw, 7); ! 2524: SHIFT_OP(psraw, 16); ! 2525: SHIFT_OP(psllw, 7); ! 2526: SHIFT_OP(psllw, 16); ! 2527: ! 2528: SHIFT_OP(psrld, 7); ! 2529: SHIFT_OP(psrld, 32); ! 2530: SHIFT_OP(psrad, 7); ! 2531: SHIFT_OP(psrad, 32); ! 2532: SHIFT_OP(pslld, 7); ! 2533: SHIFT_OP(pslld, 32); ! 2534: ! 2535: SHIFT_OP(psrlq, 7); ! 2536: SHIFT_OP(psrlq, 32); ! 2537: SHIFT_OP(psllq, 7); ! 2538: SHIFT_OP(psllq, 32); ! 2539: ! 2540: SHIFT_IM(psrldq, 16); ! 2541: SHIFT_IM(psrldq, 7); ! 2542: SHIFT_IM(pslldq, 16); ! 2543: SHIFT_IM(pslldq, 7); ! 2544: ! 2545: MOVMSK(movmskps); ! 2546: MOVMSK(movmskpd); ! 2547: ! 2548: /* FPU specific ops */ ! 2549: ! 2550: { ! 2551: uint32_t mxcsr; ! 2552: asm volatile("stmxcsr %0" : "=m" (mxcsr)); ! 2553: printf("mxcsr=%08x\n", mxcsr & 0x1f80); ! 2554: asm volatile("ldmxcsr %0" : : "m" (mxcsr)); ! 2555: } ! 2556: ! 2557: test_sse_comi(2, -1); ! 2558: test_sse_comi(2, 2); ! 2559: test_sse_comi(2, 3); ! 2560: test_sse_comi(2, q_nan.d); ! 2561: test_sse_comi(q_nan.d, -1); ! 2562: ! 2563: for(i = 0; i < 2; i++) { ! 2564: a.s[0] = 2.7; ! 2565: a.s[1] = 3.4; ! 2566: a.s[2] = 4; ! 2567: a.s[3] = -6.3; ! 2568: b.s[0] = 45.7; ! 2569: b.s[1] = 353.4; ! 2570: b.s[2] = 4; ! 2571: b.s[3] = 56.3; ! 2572: if (i == 1) { ! 2573: a.s[0] = q_nan.d; ! 2574: b.s[3] = q_nan.d; ! 2575: } ! 2576: ! 2577: SSE_OPS(add); ! 2578: SSE_OPS(mul); ! 2579: SSE_OPS(sub); ! 2580: SSE_OPS(min); ! 2581: SSE_OPS(div); ! 2582: SSE_OPS(max); ! 2583: SSE_OPS(sqrt); ! 2584: SSE_OPS(cmpeq); ! 2585: SSE_OPS(cmplt); ! 2586: SSE_OPS(cmple); ! 2587: SSE_OPS(cmpunord); ! 2588: SSE_OPS(cmpneq); ! 2589: SSE_OPS(cmpnlt); ! 2590: SSE_OPS(cmpnle); ! 2591: SSE_OPS(cmpord); ! 2592: ! 2593: ! 2594: a.d[0] = 2.7; ! 2595: a.d[1] = -3.4; ! 2596: b.d[0] = 45.7; ! 2597: b.d[1] = -53.4; ! 2598: if (i == 1) { ! 2599: a.d[0] = q_nan.d; ! 2600: b.d[1] = q_nan.d; ! 2601: } ! 2602: SSE_OPD(add); ! 2603: SSE_OPD(mul); ! 2604: SSE_OPD(sub); ! 2605: SSE_OPD(min); ! 2606: SSE_OPD(div); ! 2607: SSE_OPD(max); ! 2608: SSE_OPD(sqrt); ! 2609: SSE_OPD(cmpeq); ! 2610: SSE_OPD(cmplt); ! 2611: SSE_OPD(cmple); ! 2612: SSE_OPD(cmpunord); ! 2613: SSE_OPD(cmpneq); ! 2614: SSE_OPD(cmpnlt); ! 2615: SSE_OPD(cmpnle); ! 2616: SSE_OPD(cmpord); ! 2617: } ! 2618: ! 2619: /* float to float/int */ ! 2620: a.s[0] = 2.7; ! 2621: a.s[1] = 3.4; ! 2622: a.s[2] = 4; ! 2623: a.s[3] = -6.3; ! 2624: CVT_OP_XMM(cvtps2pd); ! 2625: CVT_OP_XMM(cvtss2sd); ! 2626: CVT_OP_XMM2MMX(cvtps2pi); ! 2627: CVT_OP_XMM2MMX(cvttps2pi); ! 2628: CVT_OP_XMM2REG(cvtss2si); ! 2629: CVT_OP_XMM2REG(cvttss2si); ! 2630: CVT_OP_XMM(cvtps2dq); ! 2631: CVT_OP_XMM(cvttps2dq); ! 2632: ! 2633: a.d[0] = 2.6; ! 2634: a.d[1] = -3.4; ! 2635: CVT_OP_XMM(cvtpd2ps); ! 2636: CVT_OP_XMM(cvtsd2ss); ! 2637: CVT_OP_XMM2MMX(cvtpd2pi); ! 2638: CVT_OP_XMM2MMX(cvttpd2pi); ! 2639: CVT_OP_XMM2REG(cvtsd2si); ! 2640: CVT_OP_XMM2REG(cvttsd2si); ! 2641: CVT_OP_XMM(cvtpd2dq); ! 2642: CVT_OP_XMM(cvttpd2dq); ! 2643: ! 2644: /* sse/mmx moves */ ! 2645: CVT_OP_XMM2MMX(movdq2q); ! 2646: CVT_OP_MMX2XMM(movq2dq); ! 2647: ! 2648: /* int to float */ ! 2649: a.l[0] = -6; ! 2650: a.l[1] = 2; ! 2651: a.l[2] = 100; ! 2652: a.l[3] = -60000; ! 2653: CVT_OP_MMX2XMM(cvtpi2ps); ! 2654: CVT_OP_MMX2XMM(cvtpi2pd); ! 2655: CVT_OP_REG2XMM(cvtsi2ss); ! 2656: CVT_OP_REG2XMM(cvtsi2sd); ! 2657: CVT_OP_XMM(cvtdq2ps); ! 2658: CVT_OP_XMM(cvtdq2pd); ! 2659: ! 2660: /* XXX: test PNI insns */ ! 2661: #if 0 ! 2662: SSE_OP2(movshdup); ! 2663: #endif ! 2664: asm volatile ("emms"); ! 2665: } ! 2666: ! 2667: #endif ! 2668: ! 2669: #define TEST_CONV_RAX(op)\ ! 2670: {\ ! 2671: unsigned long a, r;\ ! 2672: a = i2l(0x8234a6f8);\ ! 2673: r = a;\ ! 2674: asm volatile(#op : "=a" (r) : "0" (r));\ ! 2675: printf("%-10s A=" FMTLX " R=" FMTLX "\n", #op, a, r);\ ! 2676: } ! 2677: ! 2678: #define TEST_CONV_RAX_RDX(op)\ ! 2679: {\ ! 2680: unsigned long a, d, r, rh; \ ! 2681: a = i2l(0x8234a6f8);\ ! 2682: d = i2l(0x8345a1f2);\ ! 2683: r = a;\ ! 2684: rh = d;\ ! 2685: asm volatile(#op : "=a" (r), "=d" (rh) : "0" (r), "1" (rh)); \ ! 2686: printf("%-10s A=" FMTLX " R=" FMTLX ":" FMTLX "\n", #op, a, r, rh); \ ! 2687: } ! 2688: ! 2689: void test_conv(void) ! 2690: { ! 2691: TEST_CONV_RAX(cbw); ! 2692: TEST_CONV_RAX(cwde); ! 2693: #if defined(__x86_64__) ! 2694: TEST_CONV_RAX(cdqe); ! 2695: #endif ! 2696: ! 2697: TEST_CONV_RAX_RDX(cwd); ! 2698: TEST_CONV_RAX_RDX(cdq); ! 2699: #if defined(__x86_64__) ! 2700: TEST_CONV_RAX_RDX(cqo); ! 2701: #endif ! 2702: ! 2703: { ! 2704: unsigned long a, r; ! 2705: a = i2l(0x12345678); ! 2706: asm volatile("bswapl %k0" : "=r" (r) : "0" (a)); ! 2707: printf("%-10s: A=" FMTLX " R=" FMTLX "\n", "bswapl", a, r); ! 2708: } ! 2709: #if defined(__x86_64__) ! 2710: { ! 2711: unsigned long a, r; ! 2712: a = i2l(0x12345678); ! 2713: asm volatile("bswapq %0" : "=r" (r) : "0" (a)); ! 2714: printf("%-10s: A=" FMTLX " R=" FMTLX "\n", "bswapq", a, r); ! 2715: } ! 2716: #endif ! 2717: } ! 2718: ! 2719: extern void *__start_initcall; ! 2720: extern void *__stop_initcall; ! 2721: ! 2722: ! 2723: int main(int argc, char **argv) ! 2724: { ! 2725: void **ptr; ! 2726: void (*func)(void); ! 2727: ! 2728: ptr = &__start_initcall; ! 2729: while (ptr != &__stop_initcall) { ! 2730: func = *ptr++; ! 2731: func(); ! 2732: } ! 2733: test_bsx(); ! 2734: test_mul(); ! 2735: test_jcc(); ! 2736: test_loop(); ! 2737: test_floats(); ! 2738: #if !defined(__x86_64__) ! 2739: test_bcd(); ! 2740: #endif ! 2741: test_xchg(); ! 2742: test_string(); ! 2743: test_misc(); ! 2744: test_lea(); ! 2745: #ifdef TEST_SEGS ! 2746: test_segs(); ! 2747: test_code16(); ! 2748: #endif ! 2749: #ifdef TEST_VM86 ! 2750: test_vm86(); ! 2751: #endif ! 2752: #if !defined(__x86_64__) ! 2753: test_exceptions(); ! 2754: test_self_modifying_code(); ! 2755: test_single_step(); ! 2756: #endif ! 2757: test_enter(); ! 2758: test_conv(); ! 2759: #ifdef TEST_SSE ! 2760: test_sse(); ! 2761: test_fxsave(); ! 2762: #endif ! 2763: return 0; ! 2764: }
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