4 * Copyright (c) 2003 Fabrice Bellard
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.
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.
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/>.
28 #include <sys/ucontext.h>
31 #if !defined(__x86_64__)
35 //#define LINUX_VM86_IOPL_FIX
36 //#define TEST_P4_FLAGS
47 #if defined(__x86_64__)
48 #define FMT64X "%016lx"
49 #define FMTLX "%016lx"
50 #define X86_64_ONLY(x) x
52 #define FMT64X "%016" PRIx64
54 #define X86_64_ONLY(x)
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
73 #define __init_call __attribute__ ((unused,__section__ ("initcall")))
75 #define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)
77 #if defined(__x86_64__)
78 static inline long i2l(long v)
80 return v | ((v ^ 0xabcd) << 32);
83 static inline long i2l(long v)
90 #include "test-i386.h"
93 #include "test-i386.h"
96 #include "test-i386.h"
99 #include "test-i386.h"
102 #include "test-i386.h"
105 #include "test-i386.h"
109 #include "test-i386.h"
113 #include "test-i386.h"
118 #include "test-i386.h"
123 #include "test-i386.h"
128 #include "test-i386.h"
133 #include "test-i386.h"
136 #define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O)
139 #include "test-i386-shift.h"
142 #include "test-i386-shift.h"
145 #include "test-i386-shift.h"
148 #include "test-i386-shift.h"
151 #include "test-i386-shift.h"
155 #include "test-i386-shift.h"
159 #include "test-i386-shift.h"
164 #include "test-i386-shift.h"
169 #include "test-i386-shift.h"
171 /* XXX: should be more precise ? */
173 #define CC_MASK (CC_C)
177 #include "test-i386-shift.h"
181 #include "test-i386-shift.h"
185 #include "test-i386-shift.h"
189 #include "test-i386-shift.h"
191 /* lea test (modrm support) */
192 #define TEST_LEAQ(STR)\
194 asm("lea " STR ", %0"\
196 : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\
197 printf("lea %s = " FMTLX "\n", STR, res);\
200 #define TEST_LEA(STR)\
202 asm("lea " STR ", %0"\
204 : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\
205 printf("lea %s = " FMTLX "\n", STR, res);\
208 #define TEST_LEA16(STR)\
210 asm(".code16 ; .byte 0x67 ; leal " STR ", %0 ; .code32"\
212 : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\
213 printf("lea %s = %08lx\n", STR, res);\
219 long eax, ebx, ecx, edx, esi, edi, res;
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)");
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)");
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)");
257 TEST_LEA("0x40(%%eax, %%ecx)");
258 TEST_LEA("0x4000(%%ebx, %%edx)");
260 TEST_LEA("(%%ecx, %%ecx, 2)");
261 TEST_LEA("(%%edx, %%ecx, 4)");
262 TEST_LEA("(%%esi, %%ecx, 8)");
264 TEST_LEA("(,%%eax, 2)");
265 TEST_LEA("(,%%ebx, 4)");
266 TEST_LEA("(,%%ecx, 8)");
268 TEST_LEA("0x40(,%%eax, 2)");
269 TEST_LEA("0x40(,%%ebx, 4)");
270 TEST_LEA("0x40(,%%ecx, 8)");
273 TEST_LEA("-10(%%ecx, %%ecx, 2)");
274 TEST_LEA("-10(%%edx, %%ecx, 4)");
275 TEST_LEA("-10(%%esi, %%ecx, 8)");
277 TEST_LEA("0x4000(%%ecx, %%ecx, 2)");
278 TEST_LEA("0x4000(%%edx, %%ecx, 4)");
279 TEST_LEA("0x4000(%%esi, %%ecx, 8)");
281 #if defined(__x86_64__)
283 TEST_LEAQ("0x4000(%%rip)");
285 TEST_LEAQ("(%%rax)");
286 TEST_LEAQ("(%%rbx)");
287 TEST_LEAQ("(%%rcx)");
288 TEST_LEAQ("(%%rdx)");
289 TEST_LEAQ("(%%rsi)");
290 TEST_LEAQ("(%%rdi)");
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)");
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)");
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)");
313 TEST_LEAQ("0x40(%%rax, %%rcx)");
314 TEST_LEAQ("0x4000(%%rbx, %%rdx)");
316 TEST_LEAQ("(%%rcx, %%rcx, 2)");
317 TEST_LEAQ("(%%rdx, %%rcx, 4)");
318 TEST_LEAQ("(%%rsi, %%rcx, 8)");
320 TEST_LEAQ("(,%%rax, 2)");
321 TEST_LEAQ("(,%%rbx, 4)");
322 TEST_LEAQ("(,%%rcx, 8)");
324 TEST_LEAQ("0x40(,%%rax, 2)");
325 TEST_LEAQ("0x40(,%%rbx, 4)");
326 TEST_LEAQ("0x40(,%%rcx, 8)");
329 TEST_LEAQ("-10(%%rcx, %%rcx, 2)");
330 TEST_LEAQ("-10(%%rdx, %%rcx, 4)");
331 TEST_LEAQ("-10(%%rsi, %%rcx, 8)");
333 TEST_LEAQ("0x4000(%%rcx, %%rcx, 2)");
334 TEST_LEAQ("0x4000(%%rdx, %%rcx, 4)");
335 TEST_LEAQ("0x4000(%%rsi, %%rcx, 8)");
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)");
356 #define TEST_JCC(JCC, v1, v2)\
359 asm("movl $1, %0\n\t"\
365 : "r" (v1), "r" (v2));\
366 printf("%-10s %d\n", "j" JCC, res);\
368 asm("movl $0, %0\n\t"\
370 "set" JCC " %b0\n\t"\
372 : "r" (v1), "r" (v2));\
373 printf("%-10s %d\n", "set" JCC, res);\
376 long res = i2l(0x12345678);\
378 asm("cmpl %2, %1\n\t"\
379 "cmov" JCC "q %3, %0\n\t"\
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"\
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"\
391 : "r" (v1), "r" (v2), "r" (1), "0" (res));\
392 printf("%-10s R=" FMTLX "\n", "cmov" JCC "w", res);\
396 /* various jump tests */
399 TEST_JCC("ne", 1, 1);
400 TEST_JCC("ne", 1, 0);
407 TEST_JCC("l", 1, -1);
409 TEST_JCC("le", 1, 1);
410 TEST_JCC("le", 1, 0);
411 TEST_JCC("le", 1, -1);
413 TEST_JCC("ge", 1, 1);
414 TEST_JCC("ge", 1, 0);
415 TEST_JCC("ge", -1, 1);
419 TEST_JCC("g", 1, -1);
423 TEST_JCC("b", 1, -1);
425 TEST_JCC("be", 1, 1);
426 TEST_JCC("be", 1, 0);
427 TEST_JCC("be", 1, -1);
429 TEST_JCC("ae", 1, 1);
430 TEST_JCC("ae", 1, 0);
431 TEST_JCC("ae", 1, -1);
435 TEST_JCC("a", 1, -1);
441 TEST_JCC("np", 1, 1);
442 TEST_JCC("np", 1, 0);
444 TEST_JCC("o", 0x7fffffff, 0);
445 TEST_JCC("o", 0x7fffffff, -1);
447 TEST_JCC("no", 0x7fffffff, 0);
448 TEST_JCC("no", 0x7fffffff, -1);
451 TEST_JCC("s", 0, -1);
454 TEST_JCC("ns", 0, 1);
455 TEST_JCC("ns", 0, -1);
456 TEST_JCC("ns", 0, 0);
459 #define TEST_LOOP(insn) \
461 for(i = 0; i < sizeof(ecx_vals) / sizeof(long); i++) {\
463 for(zf = 0; zf < 2; zf++) {\
464 asm("test %2, %2\n\t"\
470 : "c" (ecx), "b" (!zf)); \
471 printf("%-10s ECX=" FMTLX " ZF=%ld r=%d\n", insn, ecx, zf, res); \
479 const long ecx_vals[] = {
484 #if defined(__x86_64__)
491 #if !defined(__x86_64__)
495 TEST_LOOP("loopnzw");
501 TEST_LOOP("loopnzl");
506 #define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)
508 #define CC_MASK (CC_O | CC_C)
512 #include "test-i386-muldiv.h"
515 #include "test-i386-muldiv.h"
517 void test_imulw2(long op0, long op1)
519 long res, s1, s0, flags;
524 asm volatile ("push %4\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);
535 void test_imull2(long op0, long op1)
537 long res, s1, s0, flags;
542 asm volatile ("push %4\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);
553 #if defined(__x86_64__)
554 void test_imulq2(long op0, long op1)
556 long res, s1, s0, flags;
561 asm volatile ("push %4\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);
573 #define TEST_IMUL_IM(size, rsize, op0, op1)\
575 long res, flags, s1;\
579 asm volatile ("push %3\n\t"\
581 "imul" size " $" #op0 ", %" rsize "2, %" rsize "0\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);\
595 #include "test-i386-muldiv.h"
598 #include "test-i386-muldiv.h"
602 test_imulb(0x1234561d, 4);
604 test_imulb(0x80, 0x80);
605 test_imulb(0x10, 0x10);
607 test_imulw(0, 0x1234001d, 45);
608 test_imulw(0, 23, -45);
609 test_imulw(0, 0x8000, 0x8000);
610 test_imulw(0, 0x100, 0x100);
612 test_imull(0, 0x1234001d, 45);
613 test_imull(0, 23, -45);
614 test_imull(0, 0x80000000, 0x80000000);
615 test_imull(0, 0x10000, 0x10000);
617 test_mulb(0x1234561d, 4);
619 test_mulb(0x80, 0x80);
620 test_mulb(0x10, 0x10);
622 test_mulw(0, 0x1234001d, 45);
623 test_mulw(0, 23, -45);
624 test_mulw(0, 0x8000, 0x8000);
625 test_mulw(0, 0x100, 0x100);
627 test_mull(0, 0x1234001d, 45);
628 test_mull(0, 23, -45);
629 test_mull(0, 0x80000000, 0x80000000);
630 test_mull(0, 0x10000, 0x10000);
632 test_imulw2(0x1234001d, 45);
633 test_imulw2(23, -45);
634 test_imulw2(0x8000, 0x8000);
635 test_imulw2(0x100, 0x100);
637 test_imull2(0x1234001d, 45);
638 test_imull2(23, -45);
639 test_imull2(0x80000000, 0x80000000);
640 test_imull2(0x10000, 0x10000);
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);
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);
652 test_idivb(0x12341678, 0x127e);
653 test_idivb(0x43210123, -5);
654 test_idivb(0x12340004, -1);
656 test_idivw(0, 0x12345678, 12347);
657 test_idivw(0, -23223, -45);
658 test_idivw(0, 0x12348000, -1);
659 test_idivw(0x12343, 0x12345678, 0x81238567);
661 test_idivl(0, 0x12345678, 12347);
662 test_idivl(0, -233223, -45);
663 test_idivl(0, 0x80000000, -1);
664 test_idivl(0x12343, 0x12345678, 0x81234567);
666 test_divb(0x12341678, 0x127e);
667 test_divb(0x43210123, -5);
668 test_divb(0x12340004, -1);
670 test_divw(0, 0x12345678, 12347);
671 test_divw(0, -23223, -45);
672 test_divw(0, 0x12348000, -1);
673 test_divw(0x12343, 0x12345678, 0x81238567);
675 test_divl(0, 0x12345678, 12347);
676 test_divl(0, -233223, -45);
677 test_divl(0, 0x80000000, -1);
678 test_divl(0x12343, 0x12345678, 0x81234567);
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);
686 test_mulq(0, 0x1234001d1234001d, 45);
687 test_mulq(0, 23, -45);
688 test_mulq(0, 0x8000000000000000, 0x8000000000000000);
689 test_mulq(0, 0x100000000, 0x100000000);
691 test_imulq2(0x1234001d1234001d, 45);
692 test_imulq2(23, -45);
693 test_imulq2(0x8000000000000000, 0x8000000000000000);
694 test_imulq2(0x100000000, 0x100000000);
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);
701 test_idivq(0, 0x12345678abcdef, 12347);
702 test_idivq(0, -233223, -45);
703 test_idivq(0, 0x8000000000000000, -1);
704 test_idivq(0x12343, 0x12345678, 0x81234567);
706 test_divq(0, 0x12345678abcdef, 12347);
707 test_divq(0, -233223, -45);
708 test_divq(0, 0x8000000000000000, -1);
709 test_divq(0x12343, 0x12345678, 0x81234567);
713 #define TEST_BSX(op, size, op0)\
715 long res, val, resz;\
718 "mov $0x12345678, %0\n"\
719 #op " %" size "2, %" size "0 ; setz %b1" \
720 : "=&r" (res), "=&q" (resz)\
722 printf("%-10s A=" FMTLX " R=" FMTLX " %ld\n", #op, val, res, resz);\
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);
743 /**********************************************/
750 union float64u q_nan = { .l = 0xFFF8000000000000LL };
751 union float64u s_nan = { .l = 0xFFF0000000000000LL };
753 void test_fops(double a, double b)
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)));
774 void fpu_clear_exceptions(void)
776 struct __attribute__((packed)) {
784 long double fpregs[8];
787 asm volatile ("fnstenv %0\n" : : "m" (float_env32));
788 float_env32.fpus &= ~0x7f;
789 asm volatile ("fldenv %0\n" : : "m" (float_env32));
792 /* XXX: display exception bits when supported */
793 #define FPUS_EMASK 0x0000
794 //#define FPUS_EMASK 0x007f
796 void test_fcmp(double a, double b)
800 fpu_clear_exceptions();
805 printf("fcom(%f %f)=%04lx \n",
806 a, b, fpus & (0x4500 | FPUS_EMASK));
807 fpu_clear_exceptions();
812 printf("fucom(%f %f)=%04lx\n",
813 a, b, fpus & (0x4500 | FPUS_EMASK));
815 /* test f(u)comi instruction */
816 fpu_clear_exceptions();
821 : "=r" (eflags), "=a" (fpus)
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"
830 : "=r" (eflags), "=a" (fpus)
832 printf("fucomi(%f %f)=%04lx %02lx\n",
833 a, b, fpus & FPUS_EMASK, eflags & (CC_Z | CC_P | CC_C));
835 fpu_clear_exceptions();
836 asm volatile("fxam\n"
840 printf("fxam(%f)=%04lx\n", a, fpus & 0x4700);
841 fpu_clear_exceptions();
844 void test_fcvt(double 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));
863 /* test all roundings */
864 asm volatile ("fstcw %0" : "=m" (fpuc));
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);
882 asm("fld" #N : "=t" (a)); \
883 printf("fld" #N "= %f\n", a);
885 void test_fconst(void)
897 void test_fbcd(double a)
899 unsigned short bcd[5];
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);
908 #define TEST_ENV(env, save, restore)\
910 memset((env), 0xaa, sizeof(*(env)));\
912 asm volatile ("fldl %0" : : "m" (dtab[i]));\
913 asm volatile (save " %0\n" : : "m" (*(env)));\
914 asm volatile (restore " %0\n": : "m" (*(env)));\
916 asm volatile ("fstpl %0" : "=m" (rtab[i]));\
918 printf("res[%d]=%f\n", i, rtab[i]);\
919 printf("fpuc=%04x fpus=%04x fptag=%04x\n",\
921 (env)->fpus & 0xff00,\
927 struct __attribute__((packed)) {
935 long double fpregs[8];
937 struct __attribute__((packed)) {
942 long double fpregs[8];
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");
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);
966 #define TEST_FCMOV(a, b, eflags, CC)\
971 "fcmov" CC " %2, %0\n"\
973 : "0" (a), "u" (b), "g" (eflags));\
974 printf("fcmov%s eflags=0x%04lx-> %f\n", \
975 CC, (long)eflags, res);\
978 void test_fcmov(void)
985 for(i = 0; i < 4; i++) {
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");
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");
1004 void test_floats(void)
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);
1018 test_fcvt(-1.0/9.0);
1021 test_fcvt(-1.0/0.0);
1025 test_fbcd(1234567890123456.0);
1026 test_fbcd(-123451234567890.0);
1033 /**********************************************/
1034 #if !defined(__x86_64__)
1036 #define TEST_BCD(op, op0, cc_in, cc_mask)\
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);\
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));
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));
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));
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));
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));
1105 #define TEST_XCHG(op, size, opconst)\
1108 op0 = i2l(0x12345678);\
1109 op1 = i2l(0xfbca7654);\
1110 asm(#op " %" size "0, %" size "1" \
1111 : "=q" (op0), opconst (op1) \
1113 printf("%-10s A=" FMTLX " B=" FMTLX "\n",\
1117 #define TEST_CMPXCHG(op, size, opconst, eax)\
1119 long op0, op1, op2;\
1120 op0 = i2l(0x12345678);\
1121 op1 = i2l(0xfbca7654);\
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);\
1130 void test_xchg(void)
1132 #if defined(__x86_64__)
1133 TEST_XCHG(xchgq, "", "+q");
1135 TEST_XCHG(xchgl, "k", "+q");
1136 TEST_XCHG(xchgw, "w", "+q");
1137 TEST_XCHG(xchgb, "b", "+q");
1139 #if defined(__x86_64__)
1140 TEST_XCHG(xchgq, "", "=m");
1142 TEST_XCHG(xchgl, "k", "+m");
1143 TEST_XCHG(xchgw, "w", "+m");
1144 TEST_XCHG(xchgb, "b", "+m");
1146 #if defined(__x86_64__)
1147 TEST_XCHG(xaddq, "", "+q");
1149 TEST_XCHG(xaddl, "k", "+q");
1150 TEST_XCHG(xaddw, "w", "+q");
1151 TEST_XCHG(xaddb, "b", "+q");
1156 asm("xaddl %1, %0" : "=r" (res) : "0" (res));
1157 printf("xaddl same res=%08x\n", res);
1160 #if defined(__x86_64__)
1161 TEST_XCHG(xaddq, "", "+m");
1163 TEST_XCHG(xaddl, "k", "+m");
1164 TEST_XCHG(xaddw, "w", "+m");
1165 TEST_XCHG(xaddb, "b", "+m");
1167 #if defined(__x86_64__)
1168 TEST_CMPXCHG(cmpxchgq, "", "+q", 0xfbca7654);
1170 TEST_CMPXCHG(cmpxchgl, "k", "+q", 0xfbca7654);
1171 TEST_CMPXCHG(cmpxchgw, "w", "+q", 0xfbca7654);
1172 TEST_CMPXCHG(cmpxchgb, "b", "+q", 0xfbca7654);
1174 #if defined(__x86_64__)
1175 TEST_CMPXCHG(cmpxchgq, "", "+q", 0xfffefdfc);
1177 TEST_CMPXCHG(cmpxchgl, "k", "+q", 0xfffefdfc);
1178 TEST_CMPXCHG(cmpxchgw, "w", "+q", 0xfffefdfc);
1179 TEST_CMPXCHG(cmpxchgb, "b", "+q", 0xfffefdfc);
1181 #if defined(__x86_64__)
1182 TEST_CMPXCHG(cmpxchgq, "", "+m", 0xfbca7654);
1184 TEST_CMPXCHG(cmpxchgl, "k", "+m", 0xfbca7654);
1185 TEST_CMPXCHG(cmpxchgw, "w", "+m", 0xfbca7654);
1186 TEST_CMPXCHG(cmpxchgb, "b", "+m", 0xfbca7654);
1188 #if defined(__x86_64__)
1189 TEST_CMPXCHG(cmpxchgq, "", "+m", 0xfffefdfc);
1191 TEST_CMPXCHG(cmpxchgl, "k", "+m", 0xfffefdfc);
1192 TEST_CMPXCHG(cmpxchgw, "w", "+m", 0xfffefdfc);
1193 TEST_CMPXCHG(cmpxchgb, "b", "+m", 0xfffefdfc);
1196 uint64_t op0, op1, op2;
1200 for(i = 0; i < 2; i++) {
1201 op0 = 0x123456789abcdLL;
1202 eax = i2l(op0 & 0xffffffff);
1203 edx = i2l(op0 >> 32);
1205 op1 = 0xfbca765423456LL;
1208 op2 = 0x6532432432434LL;
1209 asm("cmpxchg8b %2\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);
1221 /**********************************************/
1222 /* segmentation tests */
1224 #include <sys/syscall.h>
1226 #include <asm/ldt.h>
1227 #include <linux/version.h>
1229 static inline int modify_ldt(int func, void * ptr, unsigned long bytecount)
1231 return syscall(__NR_modify_ldt, func, ptr, bytecount);
1234 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 66)
1235 #define modify_ldt_ldt_s user_desc
1238 #define MK_SEL(n) (((n) << 3) | 7)
1240 uint8_t seg_data1[4096];
1241 uint8_t seg_data2[4096];
1243 #define TEST_LR(op, size, seg, mask)\
1246 uint16_t mseg = seg;\
1248 asm (op " %" size "2, %" size "0\n" \
1253 : "=r" (res), "=r" (res2) : "m" (mseg), "0" (res));\
1254 printf(op ": Z=%d %08x\n", res2, res & ~(mask));\
1257 #define TEST_ARPL(op, size, op1, op2)\
1262 asm volatile(op " %" size "3, %" size "0\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);\
1272 /* NOTE: we use Linux modify_ldt syscall */
1273 void test_segs(void)
1275 struct modify_ldt_ldt_s ldt;
1276 long long ldt_table[3];
1282 } __attribute__((packed)) segoff;
1284 ldt.entry_number = 1;
1285 ldt.base_addr = (unsigned long)&seg_data1;
1286 ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12;
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;
1293 modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */
1295 ldt.entry_number = 2;
1296 ldt.base_addr = (unsigned long)&seg_data2;
1297 ldt.limit = (sizeof(seg_data2) + 0xfff) >> 12;
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;
1304 modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */
1306 modify_ldt(0, &ldt_table, sizeof(ldt_table)); /* read ldt entries */
1311 printf("%d: %016Lx\n", i, ldt_table[i]);
1314 /* do some tests with fs or gs */
1315 asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1)));
1317 seg_data1[1] = 0xaa;
1318 seg_data2[1] = 0x55;
1320 asm volatile ("fs movzbl 0x1, %0" : "=r" (res));
1321 printf("FS[1] = %02x\n", res);
1323 asm volatile ("pushl %%gs\n"
1325 "gs movzbl 0x1, %0\n"
1329 printf("GS[1] = %02x\n", res);
1331 /* tests with ds/ss (implicit segment case) */
1333 asm volatile ("pushl %%ebp\n\t"
1336 "movl %3, %%ebp\n\t"
1337 "movzbl 0x1, %0\n\t"
1338 "movzbl (%%ebp), %1\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);
1346 segoff.seg = MK_SEL(2);
1347 segoff.offset = 0xabcdef12;
1348 asm volatile("lfs %2, %0\n\t"
1350 : "=r" (res), "=g" (res2)
1352 printf("FS:reg = %04x:%08x\n", res2, res);
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);
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);
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);
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;
1375 void test_code16(void)
1377 struct modify_ldt_ldt_s ldt;
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;
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;
1390 modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */
1392 /* call the first function */
1393 asm volatile ("lcall %1, %2"
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"
1403 : "i" (MK_SEL(1)), "i" (&code16_func3): "memory", "cc");
1404 printf("func3() = 0x%08x\n", res);
1408 #if defined(__x86_64__)
1409 asm(".globl func_lret\n"
1411 "movl $0x87654641, %eax\n"
1414 asm(".globl func_lret\n"
1416 "movl $0x87654321, %eax\n"
1419 ".globl func_iret\n"
1421 "movl $0xabcd4321, %eax\n"
1425 extern char func_lret;
1426 extern char func_iret;
1428 void test_misc(void)
1433 for(i=0;i<256;i++) table[i] = 256 - i;
1435 asm ("xlat" : "=a" (res) : "b" (table), "0" (res));
1436 printf("xlat: EAX=" FMTLX "\n", res);
1438 #if defined(__x86_64__)
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 __attribute__((packed)) {
1450 asm volatile ("mov %%cs, %0" : "=r" (cs_sel));
1452 asm volatile ("push %1\n"
1455 : "r" (cs_sel) : "memory", "cc");
1456 printf("func_lret=" FMTLX "\n", res);
1458 desc.offset = (long)&func_lret;
1461 asm volatile ("xor %%rax, %%rax\n"
1462 "rex64 lcall *(%%rcx)\n"
1466 printf("func_lret2=" FMTLX "\n", res);
1468 asm volatile ("push %2\n"
1471 "rex64 ljmp *(%%rcx)\n"
1474 : "c" (&desc), "b" (cs_sel)
1476 printf("func_lret3=" FMTLX "\n", res);
1480 asm volatile ("push %%cs ; call %1"
1482 : "m" (func_lret): "memory", "cc");
1483 printf("func_lret=" FMTLX "\n", res);
1485 asm volatile ("pushf ; push %%cs ; call %1"
1487 : "m" (func_iret): "memory", "cc");
1488 printf("func_iret=" FMTLX "\n", res);
1491 #if defined(__x86_64__)
1492 /* specific popl test */
1493 asm volatile ("push $12345432 ; push $0x9abcdef ; pop (%%rsp) ; pop %0"
1495 printf("popl esp=" FMTLX "\n", res);
1497 /* specific popl test */
1498 asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popl (%%esp) ; popl %0"
1500 printf("popl esp=" FMTLX "\n", res);
1502 /* specific popw test */
1503 asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popw (%%esp) ; addl $2, %%esp ; popl %0"
1505 printf("popw esp=" FMTLX "\n", res);
1509 uint8_t str_buffer[4096];
1511 #define TEST_STRING1(OP, size, DF, REP)\
1513 long esi, edi, eax, ecx, eflags;\
1515 esi = (long)(str_buffer + sizeof(str_buffer) / 2);\
1516 edi = (long)(str_buffer + sizeof(str_buffer) / 2) + 16;\
1517 eax = i2l(0x12345678);\
1520 asm volatile ("push $0\n\t"\
1523 REP #OP size "\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)));\
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))
1544 void test_string(void)
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 */
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 ");
1569 static inline void set_bit(uint8_t *a, unsigned int bit)
1571 a[bit / 8] |= (1 << (bit % 8));
1574 static inline uint8_t *seg_to_linear(unsigned int seg, unsigned int reg)
1576 return (uint8_t *)((seg << 4) + (reg & 0xffff));
1579 static inline void pushw(struct vm86_regs *r, int val)
1581 r->esp = (r->esp & ~0xffff) | ((r->esp - 2) & 0xffff);
1582 *(uint16_t *)seg_to_linear(r->ss, r->esp) = val;
1585 static inline int vm86(int func, struct vm86plus_struct *v86)
1587 return syscall(__NR_vm86, func, v86);
1590 extern char vm86_code_start;
1591 extern char vm86_code_end;
1593 #define VM86_CODE_CS 0x100
1594 #define VM86_CODE_IP 0x100
1596 void test_vm86(void)
1598 struct vm86plus_struct ctx;
1599 struct vm86_regs *r;
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");
1610 memset(&ctx, 0, sizeof(ctx));
1612 /* init basic registers */
1614 r->eip = VM86_CODE_IP;
1623 r->eflags = VIF_MASK;
1625 /* move code to proper address. We use the same layout as a .com
1627 memcpy(vm86_mem + (VM86_CODE_CS << 4) + VM86_CODE_IP,
1628 &vm86_code_start, &vm86_code_end - &vm86_code_start);
1630 /* mark int 0x21 as being emulated */
1631 set_bit((uint8_t *)&ctx.int_revectored, 0x21);
1634 ret = vm86(VM86_ENTER, &ctx);
1635 switch(VM86_TYPE(ret)) {
1640 int_num = VM86_ARG(ret);
1641 if (int_num != 0x21)
1643 ah = (r->eax >> 8) & 0xff;
1645 case 0x00: /* exit */
1647 case 0x02: /* write char */
1653 case 0x09: /* write string */
1656 ptr = seg_to_linear(r->ds, r->edx);
1663 r->eax = (r->eax & ~0xff) | '$';
1666 case 0xff: /* extension: write eflags number in edx */
1668 #ifndef LINUX_VM86_IOPL_FIX
1671 printf("%08x\n", v);
1675 printf("unsupported int 0x%02x\n", int_num);
1681 /* a signal came, we just ignore that */
1686 printf("ERROR: unhandled vm86 return code (0x%x)\n", ret);
1691 printf("VM86 end\n");
1692 munmap(vm86_mem, 0x110000);
1696 /* exception tests */
1697 #if defined(__i386__) && !defined(REG_EAX)
1708 #define REG_TRAPNO TRAPNO
1712 #if defined(__x86_64__)
1713 #define REG_EIP REG_RIP
1720 void sig_handler(int sig, siginfo_t *info, void *puc)
1722 struct ucontext *uc = puc;
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);
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]);
1735 longjmp(jmp_env, 1);
1738 void test_exceptions(void)
1740 struct sigaction act;
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);
1752 /* test division by zero reporting */
1753 printf("DIVZ exception:\n");
1754 if (setjmp(jmp_env) == 0) {
1755 /* now divide by zero */
1760 #if !defined(__x86_64__)
1761 printf("BOUND exception:\n");
1762 if (setjmp(jmp_env) == 0) {
1763 /* bound exception */
1766 asm volatile ("bound %0, %1" : : "r" (11), "m" (tab[0]));
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));
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));
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;
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;
1794 modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */
1796 if (setjmp(jmp_env) == 0) {
1797 /* segment not present */
1798 asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1)));
1803 /* test SEGV reporting */
1804 printf("PF exception:\n");
1805 if (setjmp(jmp_env) == 0) {
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;
1813 /* test SEGV reporting */
1814 printf("PF exception:\n");
1815 if (setjmp(jmp_env) == 0) {
1817 /* read from an invalid address */
1818 v1 = *(char *)0x1234;
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");
1827 printf("lock nop exception:\n");
1828 if (setjmp(jmp_env) == 0) {
1829 /* now execute an invalid instruction */
1830 asm volatile("lock nop");
1833 printf("INT exception:\n");
1834 if (setjmp(jmp_env) == 0) {
1835 asm volatile ("int $0xfd");
1837 if (setjmp(jmp_env) == 0) {
1838 asm volatile ("int $0x01");
1840 if (setjmp(jmp_env) == 0) {
1841 asm volatile (".byte 0xcd, 0x03");
1843 if (setjmp(jmp_env) == 0) {
1844 asm volatile ("int $0x04");
1846 if (setjmp(jmp_env) == 0) {
1847 asm volatile ("int $0x05");
1850 printf("INT3 exception:\n");
1851 if (setjmp(jmp_env) == 0) {
1852 asm volatile ("int3");
1855 printf("CLI exception:\n");
1856 if (setjmp(jmp_env) == 0) {
1857 asm volatile ("cli");
1860 printf("STI exception:\n");
1861 if (setjmp(jmp_env) == 0) {
1862 asm volatile ("cli");
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));
1873 printf("OUTB exception:\n");
1874 if (setjmp(jmp_env) == 0) {
1875 asm volatile ("outb %%al, %%dx" : : "d" (0x4321), "a" (0));
1878 printf("INB exception:\n");
1879 if (setjmp(jmp_env) == 0) {
1880 asm volatile ("inb %%dx, %%al" : "=a" (val) : "d" (0x4321));
1883 printf("REP OUTSB exception:\n");
1884 if (setjmp(jmp_env) == 0) {
1885 asm volatile ("rep outsb" : : "d" (0x4321), "S" (tab), "c" (1));
1888 printf("REP INSB exception:\n");
1889 if (setjmp(jmp_env) == 0) {
1890 asm volatile ("rep insb" : : "d" (0x4321), "D" (tab), "c" (1));
1893 printf("HLT exception:\n");
1894 if (setjmp(jmp_env) == 0) {
1895 asm volatile ("hlt");
1898 printf("single step exception:\n");
1900 if (setjmp(jmp_env) == 0) {
1901 asm volatile ("pushf\n"
1902 "orl $0x00100, (%%esp)\n"
1904 "movl $0xabcd, %0\n"
1905 "movl $0x0, %0\n" : "=m" (val) : : "cc", "memory");
1907 printf("val=0x%x\n", val);
1910 #if !defined(__x86_64__)
1911 /* specific precise single step test */
1912 void sig_trap_handler(int sig, siginfo_t *info, void *puc)
1914 struct ucontext *uc = puc;
1915 printf("EIP=" FMTLX "\n", (long)uc->uc_mcontext.gregs[REG_EIP]);
1918 const uint8_t sstep_buf1[4] = { 1, 2, 3, 4};
1919 uint8_t sstep_buf2[4];
1921 void test_single_step(void)
1923 struct sigaction act;
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"
1935 "movl $0xabcd, %0\n"
1944 /* movsb: the single step should stop at each movsb iteration */
1945 "movl $sstep_buf1, %%esi\n"
1946 "movl $sstep_buf2, %%edi\n"
1954 /* cmpsb: the single step should stop at each cmpsb iteration */
1955 "movl $sstep_buf1, %%esi\n"
1956 "movl $sstep_buf2, %%edi\n"
1962 /* getpid() syscall: single step should skip one
1968 /* when modifying SS, trace is not done on the next
1970 "movl %%ss, %%ecx\n"
1971 "movl %%ecx, %%ss\n"
1974 "movl %%ecx, %%ss\n"
1985 "andl $~0x00100, (%%esp)\n"
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]);
1995 /* self modifying code test */
1997 0xb8, 0x1, 0x00, 0x00, 0x00, /* movl $1, %eax */
2001 asm(".section \".data\"\n"
2003 "movl 4(%esp), %eax\n"
2004 "movl %eax, smc_patch_addr2 + 1\n"
2013 "smc_patch_addr2:\n"
2019 typedef int FuncType(void);
2020 extern int smc_code2(int);
2021 void test_self_modifying_code(void)
2024 printf("self modifying code:\n");
2025 printf("func1 = 0x%x\n", ((FuncType *)code)());
2026 for(i = 2; i <= 4; i++) {
2028 printf("func%d = 0x%x\n", i, ((FuncType *)code)());
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));
2040 long enter_stack[4096];
2042 #if defined(__x86_64__)
2050 #if !defined(__x86_64__)
2051 /* causes an infinite loop, disable it for now. */
2052 #define TEST_ENTER(size, stack_type, level)
2054 #define TEST_ENTER(size, stack_type, level)\
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;\
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]);\
2087 static void test_enter(void)
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);
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);
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);
2109 typedef int __m64 __attribute__ ((__mode__ (__V2SI__)));
2110 typedef float __m128 __attribute__ ((__mode__(__V4SF__)));
2120 static uint64_t __attribute__((aligned(16))) test_values[4][2] = {
2121 { 0x456723c698694873, 0xdc515cff944a58ec },
2122 { 0x1f297ccd58bad7ab, 0x41f21efba9e3e146 },
2123 { 0x007c62c2085427f8, 0x231be9e8cde7438d },
2124 { 0x0f76255a085427f8, 0xc233e9e8c4c9439a },
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",\
2137 #define SSE_OP2(op)\
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];\
2149 #define MMX_OP2(op)\
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",\
2165 #define SHUF_OP(op, ib)\
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",\
2180 #define PSHUF_OP(op, ib)\
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",\
2195 #define SHIFT_IM(op, ib)\
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",\
2210 #define SHIFT_OP(op, ib)\
2215 a.q[0] = test_values[2*i][0];\
2216 a.q[1] = test_values[2*i][1];\
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",\
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",\
2242 #define SSE_OPS(a) \
2246 #define SSE_OPD(a) \
2250 #define SSE_COMI(op, field)\
2252 unsigned int eflags;\
2256 asm volatile (#op " %2, %1\n"\
2260 : "x" (a.dq), "x" (b.dq));\
2261 printf("%-9s: a=%f b=%f cc=%04x\n",\
2263 eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));\
2266 void test_sse_comi(double a1, double b1)
2268 SSE_COMI(ucomiss, s);
2269 SSE_COMI(ucomisd, d);
2270 SSE_COMI(comiss, s);
2271 SSE_COMI(comisd, d);
2274 #define CVT_OP_XMM(op)\
2276 asm volatile (#op " %1, %0" : "=x" (r.dq) : "x" (a.dq));\
2277 printf("%-9s: a=" FMT64X "" FMT64X " r=" FMT64X "" FMT64X "\n",\
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)\
2287 asm volatile (#op " %1, %0" : "=y" (r.q[0]) : "x" (a.dq) \
2289 asm volatile("emms\n"); \
2290 printf("%-9s: a=" FMT64X "" FMT64X " r=" FMT64X "\n",\
2296 #define CVT_OP_MMX2XMM(op)\
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",\
2306 #define CVT_OP_REG2XMM(op)\
2308 asm volatile (#op " %1, %0" : "=x" (r.dq) : "r" (a.l[0]));\
2309 printf("%-9s: a=%08x r=" FMT64X "" FMT64X "\n",\
2315 #define CVT_OP_XMM2REG(op)\
2317 asm volatile (#op " %1, %0" : "=r" (r.l[0]) : "x" (a.dq));\
2318 printf("%-9s: a=" FMT64X "" FMT64X " r=%08x\n",\
2336 uint32_t mxcsr_mask;
2337 uint8_t fpregs1[8 * 16];
2338 uint8_t xmm_regs[8 * 16];
2339 uint8_t dummy2[224];
2342 static struct fpxstate fpx_state __attribute__((aligned(16)));
2343 static struct fpxstate fpx_state2 __attribute__((aligned(16)));
2345 void test_fxsave(void)
2347 struct fpxstate *fp = &fpx_state;
2348 struct fpxstate *fp2 = &fpx_state2;
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];
2356 asm("movdqa %2, %%xmm0\n"
2357 "movdqa %3, %%xmm7\n"
2358 #if defined(__x86_64__)
2359 "movdqa %2, %%xmm15\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",
2376 *(uint64_t *)&fp->fpregs1[i * 16],
2377 *(uint16_t *)&fp->fpregs1[i * 16 + 8]);
2379 printf("mxcsr=%08x\n", fp->mxcsr & 0x1f80);
2380 #if defined(__x86_64__)
2385 for(i = 0; i < nb_xmm; i++) {
2386 printf("xmm%d: " FMT64X "" FMT64X "\n",
2388 *(uint64_t *)&fp->xmm_regs[i * 16],
2389 *(uint64_t *)&fp->xmm_regs[i * 16 + 8]);
2450 asm volatile ("pinsrw $1, %1, %0" : "=y" (r.q[0]) : "r" (0x12345678));
2451 printf("%-9s: r=" FMT64X "\n", "pinsrw", r.q[0]);
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]);
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]);
2461 asm volatile ("pextrw $5, %1, %0" : "=r" (r.l[0]) : "x" (a.dq));
2462 printf("%-9s: r=%08x\n", "pextrw", r.l[0]);
2464 asm volatile ("pmovmskb %1, %0" : "=r" (r.l[0]) : "y" (a.q[0]));
2465 printf("%-9s: r=%08x\n", "pmovmskb", r.l[0]);
2467 asm volatile ("pmovmskb %1, %0" : "=r" (r.l[0]) : "x" (a.dq));
2468 printf("%-9s: r=%08x\n", "pmovmskb", r.l[0]);
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)
2481 printf("%-9s: r=" FMT64X " a=" FMT64X " b=" FMT64X "\n",
2486 asm volatile("maskmovdqu %1, %0" :
2487 : "x" (a.dq), "x" (b.dq), "D" (&r)
2489 printf("%-9s: r=" FMT64X "" FMT64X " a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X "\n",
2496 asm volatile ("emms");
2498 SSE_OP2(punpcklqdq);
2499 SSE_OP2(punpckhqdq);
2514 SHUF_OP(shufps, 0x78);
2515 SHUF_OP(shufpd, 0x02);
2517 PSHUF_OP(pshufd, 0x78);
2518 PSHUF_OP(pshuflw, 0x78);
2519 PSHUF_OP(pshufhw, 0x78);
2522 SHIFT_OP(psrlw, 16);
2524 SHIFT_OP(psraw, 16);
2526 SHIFT_OP(psllw, 16);
2529 SHIFT_OP(psrld, 32);
2531 SHIFT_OP(psrad, 32);
2533 SHIFT_OP(pslld, 32);
2536 SHIFT_OP(psrlq, 32);
2538 SHIFT_OP(psllq, 32);
2540 SHIFT_IM(psrldq, 16);
2541 SHIFT_IM(psrldq, 7);
2542 SHIFT_IM(pslldq, 16);
2543 SHIFT_IM(pslldq, 7);
2548 /* FPU specific ops */
2552 asm volatile("stmxcsr %0" : "=m" (mxcsr));
2553 printf("mxcsr=%08x\n", mxcsr & 0x1f80);
2554 asm volatile("ldmxcsr %0" : : "m" (mxcsr));
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);
2563 for(i = 0; i < 2; i++) {
2619 /* float to float/int */
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);
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);
2645 CVT_OP_XMM2MMX(movdq2q);
2646 CVT_OP_MMX2XMM(movq2dq);
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);
2660 /* XXX: test PNI insns */
2664 asm volatile ("emms");
2669 #define TEST_CONV_RAX(op)\
2671 unsigned long a, r;\
2672 a = i2l(0x8234a6f8);\
2674 asm volatile(#op : "=a" (r) : "0" (r));\
2675 printf("%-10s A=" FMTLX " R=" FMTLX "\n", #op, a, r);\
2678 #define TEST_CONV_RAX_RDX(op)\
2680 unsigned long a, d, r, rh; \
2681 a = i2l(0x8234a6f8);\
2682 d = i2l(0x8345a1f2);\
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); \
2689 void test_conv(void)
2692 TEST_CONV_RAX(cwde);
2693 #if defined(__x86_64__)
2694 TEST_CONV_RAX(cdqe);
2697 TEST_CONV_RAX_RDX(cwd);
2698 TEST_CONV_RAX_RDX(cdq);
2699 #if defined(__x86_64__)
2700 TEST_CONV_RAX_RDX(cqo);
2705 a = i2l(0x12345678);
2706 asm volatile("bswapl %k0" : "=r" (r) : "0" (a));
2707 printf("%-10s: A=" FMTLX " R=" FMTLX "\n", "bswapl", a, r);
2709 #if defined(__x86_64__)
2712 a = i2l(0x12345678);
2713 asm volatile("bswapq %0" : "=r" (r) : "0" (a));
2714 printf("%-10s: A=" FMTLX " R=" FMTLX "\n", "bswapq", a, r);
2719 extern void *__start_initcall;
2720 extern void *__stop_initcall;
2723 int main(int argc, char **argv)
2728 ptr = &__start_initcall;
2729 while (ptr != &__stop_initcall) {
2738 #if !defined(__x86_64__)
2752 #if !defined(__x86_64__)
2754 test_self_modifying_code();