This is essentially VEX/test/test-i386* with various fixes.
The md5sum code in fb_test_i386.c was copied verbatim from
none/tests/amd64/fb_test_amd64.c.
/none/tests/x86/cse_fail
/none/tests/x86/dastest
/none/tests/x86/faultstatus
+/none/tests/x86/fb_test_i386
/none/tests/x86/fcmovnu
/none/tests/x86/fpu_lazy_eflags
/none/tests/x86/fxtract
+++ /dev/null
-/*
- * x86 CPU test
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-#define _GNU_SOURCE
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
-#include <math.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <errno.h>
-#include <sys/ucontext.h>
-#include <sys/mman.h>
-#include <asm/vm86.h>
-
-/* Setting this to 1 creates a very comprehensive test of
- integer condition codes. */
-#define TEST_INTEGER_VERBOSE 1
-
-
-//#define LINUX_VM86_IOPL_FIX
-//#define TEST_P4_FLAGS
-
-#define xglue(x, y) x ## y
-#define glue(x, y) xglue(x, y)
-#define stringify(s) tostring(s)
-#define tostring(s) #s
-
-#define CC_C 0x0001
-#define CC_P 0x0004
-#define CC_A 0x0010
-#define CC_Z 0x0040
-#define CC_S 0x0080
-#define CC_O 0x0800
-
-#define __init_call __attribute__ ((unused,__section__ (".initcall.init")))
-
-static void *call_start __init_call = NULL;
-
-#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)
-
-#define OP add
-#include "test-i386.h"
-
-#define OP sub
-#include "test-i386.h"
-
-#define OP xor
-#include "test-i386.h"
-
-#define OP and
-#include "test-i386.h"
-
-#define OP or
-#include "test-i386.h"
-
-#define OP cmp
-#include "test-i386.h"
-
-#define OP adc
-#define OP_CC
-#include "test-i386.h"
-
-#define OP sbb
-#define OP_CC
-#include "test-i386.h"
-
-#define OP inc
-#define OP_CC
-#define OP1
-#include "test-i386.h"
-
-#define OP dec
-#define OP_CC
-#define OP1
-#include "test-i386.h"
-
-#define OP neg
-#define OP_CC
-#define OP1
-#include "test-i386.h"
-
-#define OP not
-#define OP_CC
-#define OP1
-#include "test-i386.h"
-
-#undef CC_MASK
-#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O)
-
-#define OP shl
-#include "test-i386-shift.h"
-
-#define OP shr
-#include "test-i386-shift.h"
-
-#define OP sar
-#include "test-i386-shift.h"
-
-#define OP rol
-#include "test-i386-shift.h"
-
-#define OP ror
-#include "test-i386-shift.h"
-
-#define OP rcr
-#define OP_CC
-#include "test-i386-shift.h"
-
-#define OP rcl
-#define OP_CC
-#include "test-i386-shift.h"
-
-#define OP shld
-#define OP_SHIFTD
-#define OP_NOBYTE
-#include "test-i386-shift.h"
-
-#define OP shrd
-#define OP_SHIFTD
-#define OP_NOBYTE
-#include "test-i386-shift.h"
-
-
-/* XXX: should be more precise ? */
-#undef CC_MASK
-#define CC_MASK (CC_C)
-
-#define OP bt
-#define OP_NOBYTE
-#include "test-i386-shift.h"
-
-#define OP bts
-#define OP_NOBYTE
-#include "test-i386-shift.h"
-
-#define OP btr
-#define OP_NOBYTE
-#include "test-i386-shift.h"
-
-#define OP btc
-#define OP_NOBYTE
-#include "test-i386-shift.h"
-
-
-/* lea test (modrm support) */
-#define TEST_LEA(STR)\
-{\
- asm("leal " STR ", %0"\
- : "=r" (res)\
- : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\
- printf("lea %s = %08x\n", STR, res);\
-}
-
-#define TEST_LEA16(STR)\
-{\
- asm(".code16 ; .byte 0x67 ; leal " STR ", %0 ; .code32"\
- : "=wq" (res)\
- : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\
- printf("lea %s = %08x\n", STR, res);\
-}
-
-
-void test_lea(void)
-{
- int eax, ebx, ecx, edx, esi, edi, res;
- eax = 0x0001;
- ebx = 0x0002;
- ecx = 0x0004;
- edx = 0x0008;
- esi = 0x0010;
- edi = 0x0020;
-
- TEST_LEA("0x4000");
-
- TEST_LEA("(%%eax)");
- TEST_LEA("(%%ebx)");
- TEST_LEA("(%%ecx)");
- TEST_LEA("(%%edx)");
- TEST_LEA("(%%esi)");
- TEST_LEA("(%%edi)");
-
- TEST_LEA("0x40(%%eax)");
- TEST_LEA("0x40(%%ebx)");
- TEST_LEA("0x40(%%ecx)");
- TEST_LEA("0x40(%%edx)");
- TEST_LEA("0x40(%%esi)");
- TEST_LEA("0x40(%%edi)");
-
- TEST_LEA("0x4000(%%eax)");
- TEST_LEA("0x4000(%%ebx)");
- TEST_LEA("0x4000(%%ecx)");
- TEST_LEA("0x4000(%%edx)");
- TEST_LEA("0x4000(%%esi)");
- TEST_LEA("0x4000(%%edi)");
-
- TEST_LEA("(%%eax, %%ecx)");
- TEST_LEA("(%%ebx, %%edx)");
- TEST_LEA("(%%ecx, %%ecx)");
- TEST_LEA("(%%edx, %%ecx)");
- TEST_LEA("(%%esi, %%ecx)");
- TEST_LEA("(%%edi, %%ecx)");
-
- TEST_LEA("0x40(%%eax, %%ecx)");
- TEST_LEA("0x4000(%%ebx, %%edx)");
-
- TEST_LEA("(%%ecx, %%ecx, 2)");
- TEST_LEA("(%%edx, %%ecx, 4)");
- TEST_LEA("(%%esi, %%ecx, 8)");
-
- TEST_LEA("(,%%eax, 2)");
- TEST_LEA("(,%%ebx, 4)");
- TEST_LEA("(,%%ecx, 8)");
-
- TEST_LEA("0x40(,%%eax, 2)");
- TEST_LEA("0x40(,%%ebx, 4)");
- TEST_LEA("0x40(,%%ecx, 8)");
-
-
- TEST_LEA("-10(%%ecx, %%ecx, 2)");
- TEST_LEA("-10(%%edx, %%ecx, 4)");
- TEST_LEA("-10(%%esi, %%ecx, 8)");
-
- TEST_LEA("0x4000(%%ecx, %%ecx, 2)");
- TEST_LEA("0x4000(%%edx, %%ecx, 4)");
- TEST_LEA("0x4000(%%esi, %%ecx, 8)");
-}
-
-#define TEST_JCC(JCC, v1, v2)\
-{\
- int res;\
- asm("movl $1, %0\n\t"\
- "cmpl %2, %1\n\t"\
- "j" JCC " 1f\n\t"\
- "movl $0, %0\n\t"\
- "1:\n\t"\
- : "=r" (res)\
- : "r" (v1), "r" (v2));\
- printf("%-10s %d\n", "j" JCC, res);\
-\
- asm("movl $0, %0\n\t"\
- "cmpl %2, %1\n\t"\
- "set" JCC " %b0\n\t"\
- : "=r" (res)\
- : "r" (v1), "r" (v2));\
- printf("%-10s %d\n", "set" JCC, res);\
- { int one = 1; \
- asm("movl $0x12345678, %0\n\t"\
- "cmpl %2, %1\n\t"\
- "cmov" JCC "l %3, %0\n\t"\
- : "=r" (res)\
- : "r" (v1), "r" (v2), "m" (one));\
- printf("%-10s R=0x%08x\n", "cmov" JCC "l", res);\
- asm("movl $0x12345678, %0\n\t"\
- "cmpl %2, %1\n\t"\
- "cmov" JCC "w %w3, %w0\n\t"\
- : "=r" (res)\
- : "r" (v1), "r" (v2), "r" (1));\
- printf("%-10s R=0x%08x\n", "cmov" JCC "w", res);\
- } \
-}
-
-/* various jump tests */
-void test_jcc(void)
-{
- TEST_JCC("ne", 1, 1);
- TEST_JCC("ne", 1, 0);
-
- TEST_JCC("e", 1, 1);
- TEST_JCC("e", 1, 0);
-
- TEST_JCC("l", 1, 1);
- TEST_JCC("l", 1, 0);
- TEST_JCC("l", 1, -1);
-
- TEST_JCC("le", 1, 1);
- TEST_JCC("le", 1, 0);
- TEST_JCC("le", 1, -1);
-
- TEST_JCC("ge", 1, 1);
- TEST_JCC("ge", 1, 0);
- TEST_JCC("ge", -1, 1);
-
- TEST_JCC("g", 1, 1);
- TEST_JCC("g", 1, 0);
- TEST_JCC("g", 1, -1);
-
- TEST_JCC("b", 1, 1);
- TEST_JCC("b", 1, 0);
- TEST_JCC("b", 1, -1);
-
- TEST_JCC("be", 1, 1);
- TEST_JCC("be", 1, 0);
- TEST_JCC("be", 1, -1);
-
- TEST_JCC("ae", 1, 1);
- TEST_JCC("ae", 1, 0);
- TEST_JCC("ae", 1, -1);
-
- TEST_JCC("a", 1, 1);
- TEST_JCC("a", 1, 0);
- TEST_JCC("a", 1, -1);
-
-
- TEST_JCC("p", 1, 1);
- TEST_JCC("p", 1, 0);
-
- TEST_JCC("np", 1, 1);
- TEST_JCC("np", 1, 0);
-
- TEST_JCC("o", 0x7fffffff, 0);
- TEST_JCC("o", 0x7fffffff, -1);
-
- TEST_JCC("no", 0x7fffffff, 0);
- TEST_JCC("no", 0x7fffffff, -1);
-
- TEST_JCC("s", 0, 1);
- TEST_JCC("s", 0, -1);
- TEST_JCC("s", 0, 0);
-
- TEST_JCC("ns", 0, 1);
- TEST_JCC("ns", 0, -1);
- TEST_JCC("ns", 0, 0);
-}
-
-#undef CC_MASK
-#ifdef TEST_P4_FLAGS
-#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)
-#else
-#define CC_MASK (CC_O | CC_C)
-#endif
-
-#define OP mul
-#include "test-i386-muldiv.h"
-
-#define OP imul
-#include "test-i386-muldiv.h"
-
-void test_imulw2(int op0, int op1)
-{
- int res, s1, s0, flags;
- s0 = op0;
- s1 = op1;
- res = s0;
- flags = 0;
- asm ("push %4\n\t"
- "popf\n\t"
- "imulw %w2, %w0\n\t"
- "pushf\n\t"
- "popl %1\n\t"
- : "=q" (res), "=g" (flags)
- : "q" (s1), "0" (res), "1" (flags));
- printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
- "imulw", s0, s1, res, flags & CC_MASK);
-}
-
-void test_imull2(int op0, int op1)
-{
- int res, s1, s0, flags;
- s0 = op0;
- s1 = op1;
- res = s0;
- flags = 0;
- asm ("push %4\n\t"
- "popf\n\t"
- "imull %2, %0\n\t"
- "pushf\n\t"
- "popl %1\n\t"
- : "=q" (res), "=g" (flags)
- : "q" (s1), "0" (res), "1" (flags));
- printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
- "imull", s0, s1, res, flags & CC_MASK);
-}
-
-#define TEST_IMUL_IM(size, size1, op0, op1)\
-{\
- int res, flags;\
- flags = 0;\
- res = 0;\
- asm ("push %3\n\t"\
- "popf\n\t"\
- "imul" size " $" #op0 ", %" size1 "2, %" size1 "0\n\t" \
- "pushf\n\t"\
- "popl %1\n\t"\
- : "=r" (res), "=g" (flags)\
- : "r" (op1), "1" (flags), "0" (res));\
- printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",\
- "imul" size, op0, op1, res, flags & CC_MASK);\
-}
-
-
-#undef CC_MASK
-#define CC_MASK (0)
-
-#define OP div
-#include "test-i386-muldiv.h"
-
-#define OP idiv
-#include "test-i386-muldiv.h"
-
-void test_mul(void)
-{
- test_imulb(0x1234561d, 4);
- test_imulb(3, -4);
- test_imulb(0x80, 0x80);
- test_imulb(0x10, 0x10);
-
- test_imulw(0, 0, 0);
- test_imulw(0, 0xFF, 0xFF);
- test_imulw(0, 0xFF, 0x100);
- test_imulw(0, 0x1234001d, 45);
- test_imulw(0, 23, -45);
- test_imulw(0, 0x8000, 0x8000);
- test_imulw(0, 0x100, 0x100);
-
- test_imull(0, 0, 0);
- test_imull(0, 0xFFFF, 0xFFFF);
- test_imull(0, 0xFFFF, 0x10000);
- test_imull(0, 0x1234001d, 45);
- test_imull(0, 23, -45);
- test_imull(0, 0x80000000, 0x80000000);
- test_imull(0, 0x10000, 0x10000);
-
- test_mulb(0x1234561d, 4);
- test_mulb(3, -4);
- test_mulb(0x80, 0x80);
- test_mulb(0x10, 0x10);
-
- test_mulw(0, 0x1234001d, 45);
- test_mulw(0, 23, -45);
- test_mulw(0, 0x8000, 0x8000);
- test_mulw(0, 0x100, 0x100);
-
- test_mull(0, 0x1234001d, 45);
- test_mull(0, 23, -45);
- test_mull(0, 0x80000000, 0x80000000);
- test_mull(0, 0x10000, 0x10000);
-
- test_imulw2(0x1234001d, 45);
- test_imulw2(23, -45);
- test_imulw2(0x8000, 0x8000);
- test_imulw2(0x100, 0x100);
-
- test_imull2(0x1234001d, 45);
- test_imull2(23, -45);
- test_imull2(0x80000000, 0x80000000);
- test_imull2(0x10000, 0x10000);
-
- TEST_IMUL_IM("w", "w", 45, 0x1234);
- TEST_IMUL_IM("w", "w", -45, 23);
- TEST_IMUL_IM("w", "w", 0x8000, 0x80000000);
- TEST_IMUL_IM("w", "w", 0x7fff, 0x1000);
-
- TEST_IMUL_IM("l", "", 45, 0x1234);
- TEST_IMUL_IM("l", "", -45, 23);
- TEST_IMUL_IM("l", "", 0x8000, 0x80000000);
- TEST_IMUL_IM("l", "", 0x7fff, 0x1000);
-
- test_idivb(0x12341678, 0x127e);
- test_idivb(0x43210123, -5);
- test_idivb(0x12340004, -1);
-
- test_idivw(0, 0x12345678, 12347);
- test_idivw(0, -23223, -45);
- test_idivw(0, 0x12348000, -1);
- test_idivw(0x12343, 0x12345678, 0x81238567);
-
- test_idivl(0, 0x12345678, 12347);
- test_idivl(0, -233223, -45);
- test_idivl(0, 0x80000000, -1);
- test_idivl(0x12343, 0x12345678, 0x81234567);
-
- test_divb(0x12341678, 0x127e);
- test_divb(0x43210123, -5);
- test_divb(0x12340004, -1);
-
- test_divw(0, 0x12345678, 12347);
- test_divw(0, -23223, -45);
- test_divw(0, 0x12348000, -1);
- test_divw(0x12343, 0x12345678, 0x81238567);
-
- test_divl(0, 0x12345678, 12347);
- test_divl(0, -233223, -45);
- test_divl(0, 0x80000000, -1);
- test_divl(0x12343, 0x12345678, 0x81234567);
-}
-
-#define TEST_BSX(op, size, op0)\
-{\
- int res, val, resz;\
- val = op0;\
- asm("xorl %1, %1\n\t"\
- "movl $0x12345678, %0\n\t"\
- #op " %" size "2, %" size "0\n\t" \
- "setz %b1" \
- : "=r" (res), "=q" (resz)\
- : "r" (val));\
- printf("%-10s A=%08x R=%08x %d\n", #op, val, res, resz);\
-}
-
-void test_bsx(void)
-{
- TEST_BSX(bsrw, "w", 0);
- TEST_BSX(bsrw, "w", 0x12340128);
- TEST_BSX(bsrl, "", 0);
- TEST_BSX(bsrl, "", 0x00340128);
- TEST_BSX(bsfw, "w", 0);
- TEST_BSX(bsfw, "w", 0x12340128);
- TEST_BSX(bsfl, "", 0);
- TEST_BSX(bsfl, "", 0x00340128);
-}
-
-/**********************************************/
-
-void test_fops(double a, double b)
-{
- printf("a=%f b=%f a+b=%f\n", a, b, a + b);
- printf("a=%f b=%f a-b=%f\n", a, b, a - b);
- printf("a=%f b=%f a*b=%f\n", a, b, a * b);
- printf("a=%f b=%f a/b=%f\n", a, b, a / b);
- printf("a=%f b=%f fmod(a, b)=%f\n", a, b, fmod(a, b));
- printf("a=%f sqrt(a)=%f\n", a, sqrt(a));
- printf("a=%f sin(a)=%f\n", a, sin(a));
- printf("a=%f cos(a)=%f\n", a, cos(a));
- printf("a=%f tan(a)=%f\n", a, tan(a));
- printf("a=%f log(a)=%f\n", a, log(a));
- printf("a=%f exp(a)=%f\n", a, exp(a));
- printf("a=%f b=%f atan2(a, b)=%f\n", a, b, atan2(a, b));
- /* just to test some op combining */
- printf("a=%f asin(sin(a))=%f\n", a, asin(sin(a)));
- printf("a=%f acos(cos(a))=%f\n", a, acos(cos(a)));
- printf("a=%f atan(tan(a))=%f\n", a, atan(tan(a)));
-}
-
-void test_fcmp(double a, double b)
-{
- printf("(%f<%f)=%d\n",
- a, b, a < b);
- printf("(%f<=%f)=%d\n",
- a, b, a <= b);
- printf("(%f==%f)=%d\n",
- a, b, a == b);
- printf("(%f>%f)=%d\n",
- a, b, a > b);
- printf("(%f<=%f)=%d\n",
- a, b, a >= b);
- {
- unsigned int eflags;
- /* test f(u)comi instruction */
- asm("fcomi %2, %1\n"
- "pushf\n"
- "pop %0\n"
- : "=r" (eflags)
- : "t" (a), "u" (b));
- printf("fcomi(%f %f)=%08x\n", a, b, eflags & (CC_Z | CC_P | CC_C));
- }
-}
-
-void test_fcvt(double a)
-{
- float fa;
- long double la;
- int16_t fpuc;
- int i;
- int64_t lla;
- int ia;
- int16_t wa;
- double ra;
-
- fa = a;
- la = a;
- printf("(float)%f = %f\n", a, fa);
- printf("(long double)%f = %Lf\n", a, la);
- printf("a=%016Lx\n", *(long long *)&a);
- printf("la=%016Lx %04x\n", *(long long *)&la,
- *(unsigned short *)((char *)(&la) + 8));
-
- /* test all roundings */
- asm volatile ("fstcw %0" : "=m" (fpuc));
- for(i=0;i<4;i++) {
- int16_t tmp = (fpuc & ~0x0c00) | (i << 10);
- asm volatile ("fldcw %0" : : "m" (tmp));
- asm volatile ("fist %0" : "=m" (wa) : "t" (a));
- asm volatile ("fistl %0" : "=m" (ia) : "t" (a));
- asm volatile ("fistpll %0" : "=m" (lla) : "t" (a) : "st");
- asm volatile ("frndint ; fstl %0" : "=m" (ra) : "t" (a));
- asm volatile ("fldcw %0" : : "m" (fpuc));
- printf("(short)a = %d\n", wa);
- printf("(int)a = %d\n", ia);
- printf("(int64_t)a = %Ld\n", lla);
- printf("rint(a) = %f\n", ra);
- }
-}
-
-#define TEST(N) \
- asm("fld" #N : "=t" (a)); \
- printf("fld" #N "= %f\n", a);
-
-void test_fconst(void)
-{
- double a;
- TEST(1);
- TEST(l2t);
- TEST(l2e);
- TEST(pi);
- TEST(lg2);
- TEST(ln2);
- TEST(z);
-}
-
-void test_fbcd(double a)
-{
- unsigned short bcd[5];
- double b;
-
- asm("fbstp %0" : "=m" (bcd[0]) : "t" (a) : "st");
- asm("fbld %1" : "=t" (b) : "m" (bcd[0]));
- printf("a=%f bcd=%04x%04x%04x%04x%04x b=%f\n",
- a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b);
-}
-
-#define TEST_ENV(env, save, restore)\
-{\
- memset((env), 0xaa, sizeof(*(env)));\
- for(i=0;i<5;i++)\
- asm volatile ("fldl %0" : : "m" (dtab[i]));\
- asm(save " %0\n" : : "m" (*(env)));\
- asm(restore " %0\n": : "m" (*(env)));\
- for(i=0;i<5;i++)\
- asm volatile ("fstpl %0" : "=m" (rtab[i]));\
- for(i=0;i<5;i++)\
- printf("res[%d]=%f\n", i, rtab[i]);\
- printf("fpuc=%04x fpus=%04x fptag=%04x\n",\
- (env)->fpuc,\
- (env)->fpus & 0xff00,\
- (env)->fptag);\
-}
-
-void test_fenv(void)
-{
- struct __attribute__((packed)) {
- uint16_t fpuc;
- uint16_t dummy1;
- uint16_t fpus;
- uint16_t dummy2;
- uint16_t fptag;
- uint16_t dummy3;
- uint32_t ignored[4];
- long double fpregs[8];
- } float_env32;
- struct __attribute__((packed)) {
- uint16_t fpuc;
- uint16_t fpus;
- uint16_t fptag;
- uint16_t ignored[4];
- long double fpregs[8];
- } float_env16;
- double dtab[8];
- double rtab[8];
- int i;
-
- for(i=0;i<8;i++)
- dtab[i] = i + 1;
-
- TEST_ENV(&float_env16, "data16 fnstenv", "data16 fldenv");
- TEST_ENV(&float_env16, "data16 fnsave", "data16 frstor");
- TEST_ENV(&float_env32, "fnstenv", "fldenv");
- TEST_ENV(&float_env32, "fnsave", "frstor");
-
- /* test for ffree */
- for(i=0;i<5;i++)
- asm volatile ("fldl %0" : : "m" (dtab[i]));
- asm volatile("ffree %st(2)");
- asm volatile ("fnstenv %0\n" : : "m" (float_env32));
- asm volatile ("fninit");
- printf("fptag=%04x\n", float_env32.fptag);
-}
-
-
-#define TEST_FCMOV(a, b, eflags, CC)\
-{\
- double res;\
- asm("push %3\n"\
- "popf\n"\
- "fcmov" CC " %2, %0\n"\
- : "=t" (res)\
- : "0" (a), "u" (b), "g" (eflags));\
- printf("fcmov%s eflags=0x%04x-> %f\n", \
- CC, eflags, res);\
-}
-
-void test_fcmov(void)
-{
- double a, b;
- int eflags, i;
-
- a = 1.0;
- b = 2.0;
- for(i = 0; i < 4; i++) {
- eflags = 0;
- if (i & 1)
- eflags |= CC_C;
- if (i & 2)
- eflags |= CC_Z;
- TEST_FCMOV(a, b, eflags, "b");
- TEST_FCMOV(a, b, eflags, "e");
- TEST_FCMOV(a, b, eflags, "be");
- TEST_FCMOV(a, b, eflags, "nb");
- TEST_FCMOV(a, b, eflags, "ne");
- TEST_FCMOV(a, b, eflags, "nbe");
- }
- TEST_FCMOV(a, b, 0, "u");
- TEST_FCMOV(a, b, CC_P, "u");
- TEST_FCMOV(a, b, 0, "nu");
- TEST_FCMOV(a, b, CC_P, "nu");
-}
-
-void test_floats(void)
-{
- test_fops(2, 3);
- test_fops(1.4, -5);
- test_fcmp(2, -1);
- test_fcmp(2, 2);
- test_fcmp(2, 3);
- test_fcvt(0.5);
- test_fcvt(-0.5);
- test_fcvt(1.0/7.0);
- test_fcvt(-1.0/9.0);
- test_fcvt(32768);
- test_fcvt(-1e20);
- test_fconst();
- // REINSTATE (maybe): test_fbcd(1234567890123456);
- // REINSTATE (maybe): test_fbcd(-123451234567890);
- // REINSTATE: test_fenv();
- // REINSTATE: test_fcmov();
-}
-
-/**********************************************/
-#if 0
-
-#define TEST_BCD(op, op0, cc_in, cc_mask)\
-{\
- int res, flags;\
- res = op0;\
- flags = cc_in;\
- asm ("push %3\n\t"\
- "popf\n\t"\
- #op "\n\t"\
- "pushf\n\t"\
- "popl %1\n\t"\
- : "=a" (res), "=g" (flags)\
- : "0" (res), "1" (flags));\
- printf("%-10s A=%08x R=%08x CCIN=%04x CC=%04x\n",\
- #op, op0, res, cc_in, flags & cc_mask);\
-}
-
-void test_bcd(void)
-{
- TEST_BCD(daa, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(daa, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(daa, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(daa, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(daa, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(daa, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(daa, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(daa, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(daa, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(daa, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(daa, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(daa, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(daa, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
-
- TEST_BCD(das, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(das, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(das, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(das, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(das, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(das, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(das, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(das, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(das, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(das, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(das, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(das, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
- TEST_BCD(das, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
-
- TEST_BCD(aaa, 0x12340205, CC_A, (CC_C | CC_A));
- TEST_BCD(aaa, 0x12340306, CC_A, (CC_C | CC_A));
- TEST_BCD(aaa, 0x1234040a, CC_A, (CC_C | CC_A));
- TEST_BCD(aaa, 0x123405fa, CC_A, (CC_C | CC_A));
- TEST_BCD(aaa, 0x12340205, 0, (CC_C | CC_A));
- TEST_BCD(aaa, 0x12340306, 0, (CC_C | CC_A));
- TEST_BCD(aaa, 0x1234040a, 0, (CC_C | CC_A));
- TEST_BCD(aaa, 0x123405fa, 0, (CC_C | CC_A));
-
- TEST_BCD(aas, 0x12340205, CC_A, (CC_C | CC_A));
- TEST_BCD(aas, 0x12340306, CC_A, (CC_C | CC_A));
- TEST_BCD(aas, 0x1234040a, CC_A, (CC_C | CC_A));
- TEST_BCD(aas, 0x123405fa, CC_A, (CC_C | CC_A));
- TEST_BCD(aas, 0x12340205, 0, (CC_C | CC_A));
- TEST_BCD(aas, 0x12340306, 0, (CC_C | CC_A));
- TEST_BCD(aas, 0x1234040a, 0, (CC_C | CC_A));
- TEST_BCD(aas, 0x123405fa, 0, (CC_C | CC_A));
-
- TEST_BCD(aam, 0x12340547, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));
- TEST_BCD(aad, 0x12340407, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));
-}
-#endif /* 0 */
-
-#define TEST_XCHG(op, size, opconst)\
-{\
- int op0, op1;\
- op0 = 0x12345678;\
- op1 = 0xfbca7654;\
- asm(#op " %" size "0, %" size "1" \
- : "=q" (op0), opconst (op1) \
- : "0" (op0), "1" (op1));\
- printf("%-10s A=%08x B=%08x\n",\
- #op, op0, op1);\
-}
-
-#define TEST_CMPXCHG(op, size, opconst, eax)\
-{\
- int op0, op1;\
- op0 = 0x12345678;\
- op1 = 0xfbca7654;\
- asm(#op " %" size "0, %" size "1" \
- : "=q" (op0), opconst (op1) \
- : "0" (op0), "1" (op1), "a" (eax));\
- printf("%-10s EAX=%08x A=%08x C=%08x\n",\
- #op, eax, op0, op1);\
-}
-
-void test_xchg(void)
-{
- TEST_XCHG(xchgl, "", "=q");
- TEST_XCHG(xchgw, "w", "=q");
- TEST_XCHG(xchgb, "b", "=q");
-
- TEST_XCHG(xchgl, "", "=m");
- TEST_XCHG(xchgw, "w", "=m");
- TEST_XCHG(xchgb, "b", "=m");
-
-#if 0
- TEST_XCHG(xaddl, "", "=q");
- TEST_XCHG(xaddw, "w", "=q");
- TEST_XCHG(xaddb, "b", "=q");
-
- {
- int res;
- res = 0x12345678;
- asm("xaddl %1, %0" : "=r" (res) : "0" (res));
- printf("xaddl same res=%08x\n", res);
- }
-
- TEST_XCHG(xaddl, "", "=m");
- TEST_XCHG(xaddw, "w", "=m");
- TEST_XCHG(xaddb, "b", "=m");
-#endif
- TEST_CMPXCHG(cmpxchgl, "", "=q", 0xfbca7654);
- TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfbca7654);
- TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfbca7654);
-
- TEST_CMPXCHG(cmpxchgl, "", "=q", 0xfffefdfc);
- TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfffefdfc);
- TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfffefdfc);
-
- TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfbca7654);
- TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfbca7654);
- TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfbca7654);
-
- TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfffefdfc);
- TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfffefdfc);
- TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfffefdfc);
-#if 0
- {
- uint64_t op0, op1, op2;
- int i, eflags;
-
- for(i = 0; i < 2; i++) {
- op0 = 0x123456789abcd;
- if (i == 0)
- op1 = 0xfbca765423456;
- else
- op1 = op0;
- op2 = 0x6532432432434;
- asm("cmpxchg8b %1\n"
- "pushf\n"
- "popl %2\n"
- : "=A" (op0), "=m" (op1), "=g" (eflags)
- : "0" (op0), "m" (op1), "b" ((int)op2), "c" ((int)(op2 >> 32)));
- printf("cmpxchg8b: op0=%016llx op1=%016llx CC=%02x\n",
- op0, op1, eflags & CC_Z);
- }
- }
-#endif
-}
-
-/**********************************************/
-/* segmentation tests */
-#if 0
-#include <asm/ldt.h>
-#include <linux/unistd.h>
-#include <linux/version.h>
-
-_syscall3(int, modify_ldt, int, func, void *, ptr, unsigned long, bytecount)
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 66)
-#define modify_ldt_ldt_s user_desc
-#endif
-
-uint8_t seg_data1[4096];
-uint8_t seg_data2[4096];
-
-#define MK_SEL(n) (((n) << 3) | 7)
-
-#define TEST_LR(op, size, seg, mask)\
-{\
- int res, res2;\
- res = 0x12345678;\
- asm (op " %" size "2, %" size "0\n" \
- "movl $0, %1\n"\
- "jnz 1f\n"\
- "movl $1, %1\n"\
- "1:\n"\
- : "=r" (res), "=r" (res2) : "m" (seg), "0" (res));\
- printf(op ": Z=%d %08x\n", res2, res & ~(mask));\
-}
-
-/* NOTE: we use Linux modify_ldt syscall */
-void test_segs(void)
-{
- struct modify_ldt_ldt_s ldt;
- long long ldt_table[3];
- int res, res2;
- char tmp;
- struct {
- uint32_t offset;
- uint16_t seg;
- } __attribute__((packed)) segoff;
-
- ldt.entry_number = 1;
- ldt.base_addr = (unsigned long)&seg_data1;
- ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12;
- ldt.seg_32bit = 1;
- ldt.contents = MODIFY_LDT_CONTENTS_DATA;
- ldt.read_exec_only = 0;
- ldt.limit_in_pages = 1;
- ldt.seg_not_present = 0;
- ldt.useable = 1;
- modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */
-
- ldt.entry_number = 2;
- ldt.base_addr = (unsigned long)&seg_data2;
- ldt.limit = (sizeof(seg_data2) + 0xfff) >> 12;
- ldt.seg_32bit = 1;
- ldt.contents = MODIFY_LDT_CONTENTS_DATA;
- ldt.read_exec_only = 0;
- ldt.limit_in_pages = 1;
- ldt.seg_not_present = 0;
- ldt.useable = 1;
- modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */
-
- modify_ldt(0, &ldt_table, sizeof(ldt_table)); /* read ldt entries */
-#if 0
- {
- int i;
- for(i=0;i<3;i++)
- printf("%d: %016Lx\n", i, ldt_table[i]);
- }
-#endif
- /* do some tests with fs or gs */
- asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1)));
-
- seg_data1[1] = 0xaa;
- seg_data2[1] = 0x55;
-
- asm volatile ("fs movzbl 0x1, %0" : "=r" (res));
- printf("FS[1] = %02x\n", res);
-
- asm volatile ("pushl %%gs\n"
- "movl %1, %%gs\n"
- "gs movzbl 0x1, %0\n"
- "popl %%gs\n"
- : "=r" (res)
- : "r" (MK_SEL(2)));
- printf("GS[1] = %02x\n", res);
-
- /* tests with ds/ss (implicit segment case) */
- tmp = 0xa5;
- asm volatile ("pushl %%ebp\n\t"
- "pushl %%ds\n\t"
- "movl %2, %%ds\n\t"
- "movl %3, %%ebp\n\t"
- "movzbl 0x1, %0\n\t"
- "movzbl (%%ebp), %1\n\t"
- "popl %%ds\n\t"
- "popl %%ebp\n\t"
- : "=r" (res), "=r" (res2)
- : "r" (MK_SEL(1)), "r" (&tmp));
- printf("DS[1] = %02x\n", res);
- printf("SS[tmp] = %02x\n", res2);
-
- segoff.seg = MK_SEL(2);
- segoff.offset = 0xabcdef12;
- asm volatile("lfs %2, %0\n\t"
- "movl %%fs, %1\n\t"
- : "=r" (res), "=g" (res2)
- : "m" (segoff));
- printf("FS:reg = %04x:%08x\n", res2, res);
-
- TEST_LR("larw", "w", MK_SEL(2), 0x0100);
- TEST_LR("larl", "", MK_SEL(2), 0x0100);
- TEST_LR("lslw", "w", MK_SEL(2), 0);
- TEST_LR("lsll", "", MK_SEL(2), 0);
-
- TEST_LR("larw", "w", 0xfff8, 0);
- TEST_LR("larl", "", 0xfff8, 0);
- TEST_LR("lslw", "w", 0xfff8, 0);
- TEST_LR("lsll", "", 0xfff8, 0);
-}
-#endif
-
-#if 0
-/* 16 bit code test */
-extern char code16_start, code16_end;
-extern char code16_func1;
-extern char code16_func2;
-extern char code16_func3;
-
-void test_code16(void)
-{
- struct modify_ldt_ldt_s ldt;
- int res, res2;
-
- /* build a code segment */
- ldt.entry_number = 1;
- ldt.base_addr = (unsigned long)&code16_start;
- ldt.limit = &code16_end - &code16_start;
- ldt.seg_32bit = 0;
- ldt.contents = MODIFY_LDT_CONTENTS_CODE;
- ldt.read_exec_only = 0;
- ldt.limit_in_pages = 0;
- ldt.seg_not_present = 0;
- ldt.useable = 1;
- modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */
-
- /* call the first function */
- asm volatile ("lcall %1, %2"
- : "=a" (res)
- : "i" (MK_SEL(1)), "i" (&code16_func1): "memory", "cc");
- printf("func1() = 0x%08x\n", res);
- asm volatile ("lcall %2, %3"
- : "=a" (res), "=c" (res2)
- : "i" (MK_SEL(1)), "i" (&code16_func2): "memory", "cc");
- printf("func2() = 0x%08x spdec=%d\n", res, res2);
- asm volatile ("lcall %1, %2"
- : "=a" (res)
- : "i" (MK_SEL(1)), "i" (&code16_func3): "memory", "cc");
- printf("func3() = 0x%08x\n", res);
-}
-#endif
-
-extern char func_lret32;
-extern char func_iret32;
-
-void test_misc(void)
-{
- char table[256];
- int res, i;
-
-#if 0
- // REINSTATE
- for(i=0;i<256;i++) table[i] = 256 - i;
- res = 0x12345678;
- asm ("xlat" : "=a" (res) : "b" (table), "0" (res));
- printf("xlat: EAX=%08x\n", res);
-#endif
-#if 0
- // REINSTATE
- asm volatile ("pushl %%cs ; call %1"
- : "=a" (res)
- : "m" (func_lret32): "memory", "cc");
- printf("func_lret32=%x\n", res);
-
- asm volatile ("pushfl ; pushl %%cs ; call %1"
- : "=a" (res)
- : "m" (func_iret32): "memory", "cc");
- printf("func_iret32=%x\n", res);
-#endif
- /* specific popl test */
- asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popl (%%esp) ; popl %0"
- : "=g" (res));
- printf("popl esp=%x\n", res);
-#if 0
- // REINSTATE
- /* specific popw test */
- asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popw (%%esp) ; addl $2, %%esp ; popl %0"
- : "=g" (res));
- printf("popw esp=%x\n", res);
-#endif
-}
-
-uint8_t str_buffer[4096];
-
-#define TEST_STRING1(OP, size, DF, REP)\
-{\
- int esi, edi, eax, ecx, eflags;\
-\
- esi = (long)(str_buffer + sizeof(str_buffer) / 2);\
- edi = (long)(str_buffer + sizeof(str_buffer) / 2) + 16;\
- eax = 0x12345678;\
- ecx = 17;\
-\
- asm volatile ("pushl $0\n\t"\
- "popf\n\t"\
- DF "\n\t"\
- REP #OP size "\n\t"\
- "cld\n\t"\
- "pushf\n\t"\
- "popl %4\n\t"\
- : "=S" (esi), "=D" (edi), "=a" (eax), "=c" (ecx), "=g" (eflags)\
- : "0" (esi), "1" (edi), "2" (eax), "3" (ecx));\
- printf("%-10s ESI=%08x EDI=%08x EAX=%08x ECX=%08x EFL=%04x\n",\
- REP #OP size, esi, edi, eax, ecx,\
- eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));\
-}
-
-#define TEST_STRING(OP, REP)\
- TEST_STRING1(OP, "b", "", REP);\
- TEST_STRING1(OP, "w", "", REP);\
- TEST_STRING1(OP, "l", "", REP);\
- TEST_STRING1(OP, "b", "std", REP);\
- TEST_STRING1(OP, "w", "std", REP);\
- TEST_STRING1(OP, "l", "std", REP)
-
-void test_string(void)
-{
- int i;
- for(i = 0;i < sizeof(str_buffer); i++)
- str_buffer[i] = i + 0x56;
- TEST_STRING(stos, "");
- TEST_STRING(stos, "rep ");
- // REINSTATE: TEST_STRING(lods, ""); /* to verify stos */
- // REINSTATE: TEST_STRING(lods, "rep ");
- TEST_STRING(movs, "");
- TEST_STRING(movs, "rep ");
- // REINSTATE: TEST_STRING(lods, ""); /* to verify stos */
-
- /* XXX: better tests */
- TEST_STRING(scas, "");
- // REINSTATE: TEST_STRING(scas, "repz ");
- TEST_STRING(scas, "repnz ");
- // REINSTATE: TEST_STRING(cmps, "");
- TEST_STRING(cmps, "repz ");
- // REINSTATE: TEST_STRING(cmps, "repnz ");
-}
-
-/* VM86 test */
-#if 0
-static inline void set_bit(uint8_t *a, unsigned int bit)
-{
- a[bit / 8] |= (1 << (bit % 8));
-}
-
-static inline uint8_t *seg_to_linear(unsigned int seg, unsigned int reg)
-{
- return (uint8_t *)((seg << 4) + (reg & 0xffff));
-}
-
-static inline void pushw(struct vm86_regs *r, int val)
-{
- r->esp = (r->esp & ~0xffff) | ((r->esp - 2) & 0xffff);
- *(uint16_t *)seg_to_linear(r->ss, r->esp) = val;
-}
-
-#undef __syscall_return
-#define __syscall_return(type, res) \
-do { \
- return (type) (res); \
-} while (0)
-
-_syscall2(int, vm86, int, func, struct vm86plus_struct *, v86)
-
-extern char vm86_code_start;
-extern char vm86_code_end;
-
-#define VM86_CODE_CS 0x100
-#define VM86_CODE_IP 0x100
-
-void test_vm86(void)
-{
- struct vm86plus_struct ctx;
- struct vm86_regs *r;
- uint8_t *vm86_mem;
- int seg, ret;
-
- vm86_mem = mmap((void *)0x00000000, 0x110000,
- PROT_WRITE | PROT_READ | PROT_EXEC,
- MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0);
- if (vm86_mem == MAP_FAILED) {
- printf("ERROR: could not map vm86 memory");
- return;
- }
- memset(&ctx, 0, sizeof(ctx));
-
- /* init basic registers */
- r = &ctx.regs;
- r->eip = VM86_CODE_IP;
- r->esp = 0xfffe;
- seg = VM86_CODE_CS;
- r->cs = seg;
- r->ss = seg;
- r->ds = seg;
- r->es = seg;
- r->fs = seg;
- r->gs = seg;
- r->eflags = VIF_MASK;
-
- /* move code to proper address. We use the same layout as a .com
- dos program. */
- memcpy(vm86_mem + (VM86_CODE_CS << 4) + VM86_CODE_IP,
- &vm86_code_start, &vm86_code_end - &vm86_code_start);
-
- /* mark int 0x21 as being emulated */
- set_bit((uint8_t *)&ctx.int_revectored, 0x21);
-
- for(;;) {
- ret = vm86(VM86_ENTER, &ctx);
- switch(VM86_TYPE(ret)) {
- case VM86_INTx:
- {
- int int_num, ah, v;
-
- int_num = VM86_ARG(ret);
- if (int_num != 0x21)
- goto unknown_int;
- ah = (r->eax >> 8) & 0xff;
- switch(ah) {
- case 0x00: /* exit */
- goto the_end;
- case 0x02: /* write char */
- {
- uint8_t c = r->edx;
- putchar(c);
- }
- break;
- case 0x09: /* write string */
- {
- uint8_t c, *ptr;
- ptr = seg_to_linear(r->ds, r->edx);
- for(;;) {
- c = *ptr++;
- if (c == '$')
- break;
- putchar(c);
- }
- r->eax = (r->eax & ~0xff) | '$';
- }
- break;
- case 0xff: /* extension: write eflags number in edx */
- v = (int)r->edx;
-#ifndef LINUX_VM86_IOPL_FIX
- v &= ~0x3000;
-#endif
- printf("%08x\n", v);
- break;
- default:
- unknown_int:
- printf("unsupported int 0x%02x\n", int_num);
- goto the_end;
- }
- }
- break;
- case VM86_SIGNAL:
- /* a signal came, we just ignore that */
- break;
- case VM86_STI:
- break;
- default:
- printf("ERROR: unhandled vm86 return code (0x%x)\n", ret);
- goto the_end;
- }
- }
- the_end:
- printf("VM86 end\n");
- munmap(vm86_mem, 0x110000);
-}
-#endif
-
-/* exception tests */
-#if 0
-#ifndef REG_EAX
-#define REG_EAX EAX
-#define REG_EBX EBX
-#define REG_ECX ECX
-#define REG_EDX EDX
-#define REG_ESI ESI
-#define REG_EDI EDI
-#define REG_EBP EBP
-#define REG_ESP ESP
-#define REG_EIP EIP
-#define REG_EFL EFL
-#define REG_TRAPNO TRAPNO
-#define REG_ERR ERR
-#endif
-
-jmp_buf jmp_env;
-int v1;
-int tab[2];
-
-void sig_handler(int sig, siginfo_t *info, void *puc)
-{
- struct ucontext *uc = puc;
-
- printf("si_signo=%d si_errno=%d si_code=%d",
- info->si_signo, info->si_errno, info->si_code);
- printf(" si_addr=0x%08lx",
- (unsigned long)info->si_addr);
- printf("\n");
-
- printf("trapno=0x%02x err=0x%08x",
- uc->uc_mcontext.gregs[REG_TRAPNO],
- uc->uc_mcontext.gregs[REG_ERR]);
- printf(" EIP=0x%08x", uc->uc_mcontext.gregs[REG_EIP]);
- printf("\n");
- longjmp(jmp_env, 1);
-}
-
-void test_exceptions(void)
-{
- struct modify_ldt_ldt_s ldt;
- struct sigaction act;
- volatile int val;
-
- act.sa_sigaction = sig_handler;
- sigemptyset(&act.sa_mask);
- act.sa_flags = SA_SIGINFO;
- sigaction(SIGFPE, &act, NULL);
- sigaction(SIGILL, &act, NULL);
- sigaction(SIGSEGV, &act, NULL);
- sigaction(SIGBUS, &act, NULL);
- sigaction(SIGTRAP, &act, NULL);
-
- /* test division by zero reporting */
- printf("DIVZ exception:\n");
- if (setjmp(jmp_env) == 0) {
- /* now divide by zero */
- v1 = 0;
- v1 = 2 / v1;
- }
-
- printf("BOUND exception:\n");
- if (setjmp(jmp_env) == 0) {
- /* bound exception */
- tab[0] = 1;
- tab[1] = 10;
- asm volatile ("bound %0, %1" : : "r" (11), "m" (tab));
- }
-
- printf("segment exceptions:\n");
- if (setjmp(jmp_env) == 0) {
- /* load an invalid segment */
- asm volatile ("movl %0, %%fs" : : "r" ((0x1234 << 3) | 1));
- }
- if (setjmp(jmp_env) == 0) {
- /* null data segment is valid */
- asm volatile ("movl %0, %%fs" : : "r" (3));
- /* null stack segment */
- asm volatile ("movl %0, %%ss" : : "r" (3));
- }
-
- ldt.entry_number = 1;
- ldt.base_addr = (unsigned long)&seg_data1;
- ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12;
- ldt.seg_32bit = 1;
- ldt.contents = MODIFY_LDT_CONTENTS_DATA;
- ldt.read_exec_only = 0;
- ldt.limit_in_pages = 1;
- ldt.seg_not_present = 1;
- ldt.useable = 1;
- modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */
-
- if (setjmp(jmp_env) == 0) {
- /* segment not present */
- asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1)));
- }
-
- /* test SEGV reporting */
- printf("PF exception:\n");
- if (setjmp(jmp_env) == 0) {
- val = 1;
- /* we add a nop to test a weird PC retrieval case */
- asm volatile ("nop");
- /* now store in an invalid address */
- *(char *)0x1234 = 1;
- }
-
- /* test SEGV reporting */
- printf("PF exception:\n");
- if (setjmp(jmp_env) == 0) {
- val = 1;
- /* read from an invalid address */
- v1 = *(char *)0x1234;
- }
-
- /* test illegal instruction reporting */
- printf("UD2 exception:\n");
- if (setjmp(jmp_env) == 0) {
- /* now execute an invalid instruction */
- asm volatile("ud2");
- }
- printf("lock nop exception:\n");
- if (setjmp(jmp_env) == 0) {
- /* now execute an invalid instruction */
- asm volatile("lock nop");
- }
-
- printf("INT exception:\n");
- if (setjmp(jmp_env) == 0) {
- asm volatile ("int $0xfd");
- }
- if (setjmp(jmp_env) == 0) {
- asm volatile ("int $0x01");
- }
- if (setjmp(jmp_env) == 0) {
- asm volatile (".byte 0xcd, 0x03");
- }
- if (setjmp(jmp_env) == 0) {
- asm volatile ("int $0x04");
- }
- if (setjmp(jmp_env) == 0) {
- asm volatile ("int $0x05");
- }
-
- printf("INT3 exception:\n");
- if (setjmp(jmp_env) == 0) {
- asm volatile ("int3");
- }
-
- printf("CLI exception:\n");
- if (setjmp(jmp_env) == 0) {
- asm volatile ("cli");
- }
-
- printf("STI exception:\n");
- if (setjmp(jmp_env) == 0) {
- asm volatile ("cli");
- }
-
- printf("INTO exception:\n");
- if (setjmp(jmp_env) == 0) {
- /* overflow exception */
- asm volatile ("addl $1, %0 ; into" : : "r" (0x7fffffff));
- }
-
- printf("OUTB exception:\n");
- if (setjmp(jmp_env) == 0) {
- asm volatile ("outb %%al, %%dx" : : "d" (0x4321), "a" (0));
- }
-
- printf("INB exception:\n");
- if (setjmp(jmp_env) == 0) {
- asm volatile ("inb %%dx, %%al" : "=a" (val) : "d" (0x4321));
- }
-
- printf("REP OUTSB exception:\n");
- if (setjmp(jmp_env) == 0) {
- asm volatile ("rep outsb" : : "d" (0x4321), "S" (tab), "c" (1));
- }
-
- printf("REP INSB exception:\n");
- if (setjmp(jmp_env) == 0) {
- asm volatile ("rep insb" : : "d" (0x4321), "D" (tab), "c" (1));
- }
-
- printf("HLT exception:\n");
- if (setjmp(jmp_env) == 0) {
- asm volatile ("hlt");
- }
-
- printf("single step exception:\n");
- val = 0;
- if (setjmp(jmp_env) == 0) {
- asm volatile ("pushf\n"
- "orl $0x00100, (%%esp)\n"
- "popf\n"
- "movl $0xabcd, %0\n"
- "movl $0x0, %0\n" : "=m" (val) : : "cc", "memory");
- }
- printf("val=0x%x\n", val);
-}
-
-/* specific precise single step test */
-void sig_trap_handler(int sig, siginfo_t *info, void *puc)
-{
- struct ucontext *uc = puc;
- printf("EIP=0x%08x\n", uc->uc_mcontext.gregs[REG_EIP]);
-}
-
-const uint8_t sstep_buf1[4] = { 1, 2, 3, 4};
-uint8_t sstep_buf2[4];
-
-void test_single_step(void)
-{
- struct sigaction act;
- volatile int val;
- int i;
-
- val = 0;
- act.sa_sigaction = sig_trap_handler;
- sigemptyset(&act.sa_mask);
- act.sa_flags = SA_SIGINFO;
- sigaction(SIGTRAP, &act, NULL);
- asm volatile ("pushf\n"
- "orl $0x00100, (%%esp)\n"
- "popf\n"
- "movl $0xabcd, %0\n"
-
- /* jmp test */
- "movl $3, %%ecx\n"
- "1:\n"
- "addl $1, %0\n"
- "decl %%ecx\n"
- "jnz 1b\n"
-
- /* movsb: the single step should stop at each movsb iteration */
- "movl $sstep_buf1, %%esi\n"
- "movl $sstep_buf2, %%edi\n"
- "movl $0, %%ecx\n"
- "rep movsb\n"
- "movl $3, %%ecx\n"
- "rep movsb\n"
- "movl $1, %%ecx\n"
- "rep movsb\n"
-
- /* cmpsb: the single step should stop at each cmpsb iteration */
- "movl $sstep_buf1, %%esi\n"
- "movl $sstep_buf2, %%edi\n"
- "movl $0, %%ecx\n"
- "rep cmpsb\n"
- "movl $4, %%ecx\n"
- "rep cmpsb\n"
-
- /* getpid() syscall: single step should skip one
- instruction */
- "movl $20, %%eax\n"
- "int $0x80\n"
- "movl $0, %%eax\n"
-
- /* when modifying SS, trace is not done on the next
- instruction */
- "movl %%ss, %%ecx\n"
- "movl %%ecx, %%ss\n"
- "addl $1, %0\n"
- "movl $1, %%eax\n"
- "movl %%ecx, %%ss\n"
- "jmp 1f\n"
- "addl $1, %0\n"
- "1:\n"
- "movl $1, %%eax\n"
- "pushl %%ecx\n"
- "popl %%ss\n"
- "addl $1, %0\n"
- "movl $1, %%eax\n"
-
- "pushf\n"
- "andl $~0x00100, (%%esp)\n"
- "popf\n"
- : "=m" (val)
- :
- : "cc", "memory", "eax", "ecx", "esi", "edi");
- printf("val=%d\n", val);
- for(i = 0; i < 4; i++)
- printf("sstep_buf2[%d] = %d\n", i, sstep_buf2[i]);
-}
-
-/* self modifying code test */
-uint8_t code[] = {
- 0xb8, 0x1, 0x00, 0x00, 0x00, /* movl $1, %eax */
- 0xc3, /* ret */
-};
-
-asm("smc_code2:\n"
- "movl 4(%esp), %eax\n"
- "movl %eax, smc_patch_addr2 + 1\n"
- "nop\n"
- "nop\n"
- "nop\n"
- "nop\n"
- "nop\n"
- "nop\n"
- "nop\n"
- "nop\n"
- "smc_patch_addr2:\n"
- "movl $1, %eax\n"
- "ret\n");
-
-typedef int FuncType(void);
-extern int smc_code2(int);
-void test_self_modifying_code(void)
-{
- int i;
-
- printf("self modifying code:\n");
- printf("func1 = 0x%x\n", ((FuncType *)code)());
- for(i = 2; i <= 4; i++) {
- code[1] = i;
- printf("func%d = 0x%x\n", i, ((FuncType *)code)());
- }
-
- /* more difficult test : the modified code is just after the
- modifying instruction. It is forbidden in Intel specs, but it
- is used by old DOS programs */
- for(i = 2; i <= 4; i++) {
- printf("smc_code2(%d) = %d\n", i, smc_code2(i));
- }
-}
-
-static void *call_end __init_call = NULL;
-#endif
-
-int main(int argc, char **argv)
-{
- void **ptr;
- void (*func)(void);
-
-#if 1
- ptr = &call_start + 1;
- while (*ptr != NULL) {
- func = *ptr++;
- func();
- }
-#endif
- test_bsx();
- test_mul();
- test_jcc();
- test_floats();
- //test_bcd();
- test_xchg();
- test_string();
- test_misc(); // REINSTATE
- test_lea();
- // test_segs();
- //test_code16();
- //test_vm86();
- //test_exceptions();
- //test_self_modifying_code();
- //test_single_step();
- return 0;
-}
cpuid.stderr.exp cpuid.stdout.exp cpuid.vgtest \
cse_fail.stdout.exp cse_fail.vgtest \
faultstatus.disabled faultstatus.stderr.exp \
+ fb_test_i386.vgtest fb_test_i386.stderr.exp fb_test_i386.stdout.exp \
fcmovnu.vgtest fcmovnu.stderr.exp fcmovnu.stdout.exp \
fpu_lazy_eflags.stderr.exp fpu_lazy_eflags.stdout.exp \
fpu_lazy_eflags.vgtest \
cmpxchg8b \
cpuid \
cse_fail \
+ fb_test_i386 \
fcmovnu \
fpu_lazy_eflags \
fxtract \
endif
cpuid_SOURCES = cpuid_c.c cpuid_s.S
+fb_test_i386_LDADD = -lm
# fpu_lazy_eflags must use these flags -- the bug only occurred with them.
fpu_lazy_eflags_CFLAGS = $(AM_CFLAGS) -O2 -march=pentiumpro
fxtract_CFLAGS = $(AM_CFLAGS) @FLAG_W_NO_OVERFLOW@
--- /dev/null
+/*
+ * x86 CPU test
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <math.h>
+#include <stdarg.h>
+#include <assert.h>
+
+
+//////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////
+
+/*
+ * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
+ * MD5 Message-Digest Algorithm (RFC 1321).
+ *
+ * Homepage:
+ * http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5
+ *
+ * Author:
+ * Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
+ *
+ * This software was written by Alexander Peslyak in 2001. No copyright is
+ * claimed, and the software is hereby placed in the public domain.
+ * In case this attempt to disclaim copyright and place the software in the
+ * public domain is deemed null and void, then the software is
+ * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the
+ * general public under the following terms:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted.
+ *
+ * There's ABSOLUTELY NO WARRANTY, express or implied.
+ *
+ * (This is a heavily cut-down "BSD license".)
+ *
+ * This differs from Colin Plumb's older public domain implementation in that
+ * no exactly 32-bit integer data type is required (any 32-bit or wider
+ * unsigned integer data type will do), there's no compile-time endianness
+ * configuration, and the function prototypes match OpenSSL's. No code from
+ * Colin Plumb's implementation has been reused; this comment merely compares
+ * the properties of the two independent implementations.
+ *
+ * The primary goals of this implementation are portability and ease of use.
+ * It is meant to be fast, but not as fast as possible. Some known
+ * optimizations are not included to reduce source code size and avoid
+ * compile-time configuration.
+ */
+
+#include <string.h>
+
+// BEGIN #include "md5.h"
+/* Any 32-bit or wider unsigned integer data type will do */
+typedef unsigned int MD5_u32plus;
+
+typedef struct {
+ MD5_u32plus lo, hi;
+ MD5_u32plus a, b, c, d;
+ unsigned char buffer[64];
+ MD5_u32plus block[16];
+} MD5_CTX;
+
+void MD5_Init(MD5_CTX *ctx);
+void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size);
+void MD5_Final(unsigned char *result, MD5_CTX *ctx);
+// END #include "md5.h"
+
+/*
+ * The basic MD5 functions.
+ *
+ * F and G are optimized compared to their RFC 1321 definitions for
+ * architectures that lack an AND-NOT instruction, just like in Colin Plumb's
+ * implementation.
+ */
+#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
+#define G(x, y, z) ((y) ^ ((z) & ((x) ^ (y))))
+#define H(x, y, z) (((x) ^ (y)) ^ (z))
+#define H2(x, y, z) ((x) ^ ((y) ^ (z)))
+#define I(x, y, z) ((y) ^ ((x) | ~(z)))
+
+/*
+ * The MD5 transformation for all four rounds.
+ */
+#define STEP(f, a, b, c, d, x, t, s) \
+ (a) += f((b), (c), (d)) + (x) + (t); \
+ (a) = (((a) << (s)) | (((a) & 0xffffffff) >> (32 - (s)))); \
+ (a) += (b);
+
+/*
+ * SET reads 4 input bytes in little-endian byte order and stores them in a
+ * properly aligned word in host byte order.
+ *
+ * The check for little-endian architectures that tolerate unaligned memory
+ * accesses is just an optimization. Nothing will break if it fails to detect
+ * a suitable architecture.
+ *
+ * Unfortunately, this optimization may be a C strict aliasing rules violation
+ * if the caller's data buffer has effective type that cannot be aliased by
+ * MD5_u32plus. In practice, this problem may occur if these MD5 routines are
+ * inlined into a calling function, or with future and dangerously advanced
+ * link-time optimizations. For the time being, keeping these MD5 routines in
+ * their own translation unit avoids the problem.
+ */
+#if defined(__i386__) || defined(__x86_64__) || defined(__vax__)
+#define SET(n) \
+ (*(MD5_u32plus *)&ptr[(n) * 4])
+#define GET(n) \
+ SET(n)
+#else
+#define SET(n) \
+ (ctx->block[(n)] = \
+ (MD5_u32plus)ptr[(n) * 4] | \
+ ((MD5_u32plus)ptr[(n) * 4 + 1] << 8) | \
+ ((MD5_u32plus)ptr[(n) * 4 + 2] << 16) | \
+ ((MD5_u32plus)ptr[(n) * 4 + 3] << 24))
+#define GET(n) \
+ (ctx->block[(n)])
+#endif
+
+/*
+ * This processes one or more 64-byte data blocks, but does NOT update the bit
+ * counters. There are no alignment requirements.
+ */
+static const void *body(MD5_CTX *ctx, const void *data, unsigned long size)
+{
+ const unsigned char *ptr;
+ MD5_u32plus a, b, c, d;
+ MD5_u32plus saved_a, saved_b, saved_c, saved_d;
+
+ ptr = (const unsigned char *)data;
+
+ a = ctx->a;
+ b = ctx->b;
+ c = ctx->c;
+ d = ctx->d;
+
+ do {
+ saved_a = a;
+ saved_b = b;
+ saved_c = c;
+ saved_d = d;
+
+/* Round 1 */
+ STEP(F, a, b, c, d, SET(0), 0xd76aa478, 7)
+ STEP(F, d, a, b, c, SET(1), 0xe8c7b756, 12)
+ STEP(F, c, d, a, b, SET(2), 0x242070db, 17)
+ STEP(F, b, c, d, a, SET(3), 0xc1bdceee, 22)
+ STEP(F, a, b, c, d, SET(4), 0xf57c0faf, 7)
+ STEP(F, d, a, b, c, SET(5), 0x4787c62a, 12)
+ STEP(F, c, d, a, b, SET(6), 0xa8304613, 17)
+ STEP(F, b, c, d, a, SET(7), 0xfd469501, 22)
+ STEP(F, a, b, c, d, SET(8), 0x698098d8, 7)
+ STEP(F, d, a, b, c, SET(9), 0x8b44f7af, 12)
+ STEP(F, c, d, a, b, SET(10), 0xffff5bb1, 17)
+ STEP(F, b, c, d, a, SET(11), 0x895cd7be, 22)
+ STEP(F, a, b, c, d, SET(12), 0x6b901122, 7)
+ STEP(F, d, a, b, c, SET(13), 0xfd987193, 12)
+ STEP(F, c, d, a, b, SET(14), 0xa679438e, 17)
+ STEP(F, b, c, d, a, SET(15), 0x49b40821, 22)
+
+/* Round 2 */
+ STEP(G, a, b, c, d, GET(1), 0xf61e2562, 5)
+ STEP(G, d, a, b, c, GET(6), 0xc040b340, 9)
+ STEP(G, c, d, a, b, GET(11), 0x265e5a51, 14)
+ STEP(G, b, c, d, a, GET(0), 0xe9b6c7aa, 20)
+ STEP(G, a, b, c, d, GET(5), 0xd62f105d, 5)
+ STEP(G, d, a, b, c, GET(10), 0x02441453, 9)
+ STEP(G, c, d, a, b, GET(15), 0xd8a1e681, 14)
+ STEP(G, b, c, d, a, GET(4), 0xe7d3fbc8, 20)
+ STEP(G, a, b, c, d, GET(9), 0x21e1cde6, 5)
+ STEP(G, d, a, b, c, GET(14), 0xc33707d6, 9)
+ STEP(G, c, d, a, b, GET(3), 0xf4d50d87, 14)
+ STEP(G, b, c, d, a, GET(8), 0x455a14ed, 20)
+ STEP(G, a, b, c, d, GET(13), 0xa9e3e905, 5)
+ STEP(G, d, a, b, c, GET(2), 0xfcefa3f8, 9)
+ STEP(G, c, d, a, b, GET(7), 0x676f02d9, 14)
+ STEP(G, b, c, d, a, GET(12), 0x8d2a4c8a, 20)
+
+/* Round 3 */
+ STEP(H, a, b, c, d, GET(5), 0xfffa3942, 4)
+ STEP(H2, d, a, b, c, GET(8), 0x8771f681, 11)
+ STEP(H, c, d, a, b, GET(11), 0x6d9d6122, 16)
+ STEP(H2, b, c, d, a, GET(14), 0xfde5380c, 23)
+ STEP(H, a, b, c, d, GET(1), 0xa4beea44, 4)
+ STEP(H2, d, a, b, c, GET(4), 0x4bdecfa9, 11)
+ STEP(H, c, d, a, b, GET(7), 0xf6bb4b60, 16)
+ STEP(H2, b, c, d, a, GET(10), 0xbebfbc70, 23)
+ STEP(H, a, b, c, d, GET(13), 0x289b7ec6, 4)
+ STEP(H2, d, a, b, c, GET(0), 0xeaa127fa, 11)
+ STEP(H, c, d, a, b, GET(3), 0xd4ef3085, 16)
+ STEP(H2, b, c, d, a, GET(6), 0x04881d05, 23)
+ STEP(H, a, b, c, d, GET(9), 0xd9d4d039, 4)
+ STEP(H2, d, a, b, c, GET(12), 0xe6db99e5, 11)
+ STEP(H, c, d, a, b, GET(15), 0x1fa27cf8, 16)
+ STEP(H2, b, c, d, a, GET(2), 0xc4ac5665, 23)
+
+/* Round 4 */
+ STEP(I, a, b, c, d, GET(0), 0xf4292244, 6)
+ STEP(I, d, a, b, c, GET(7), 0x432aff97, 10)
+ STEP(I, c, d, a, b, GET(14), 0xab9423a7, 15)
+ STEP(I, b, c, d, a, GET(5), 0xfc93a039, 21)
+ STEP(I, a, b, c, d, GET(12), 0x655b59c3, 6)
+ STEP(I, d, a, b, c, GET(3), 0x8f0ccc92, 10)
+ STEP(I, c, d, a, b, GET(10), 0xffeff47d, 15)
+ STEP(I, b, c, d, a, GET(1), 0x85845dd1, 21)
+ STEP(I, a, b, c, d, GET(8), 0x6fa87e4f, 6)
+ STEP(I, d, a, b, c, GET(15), 0xfe2ce6e0, 10)
+ STEP(I, c, d, a, b, GET(6), 0xa3014314, 15)
+ STEP(I, b, c, d, a, GET(13), 0x4e0811a1, 21)
+ STEP(I, a, b, c, d, GET(4), 0xf7537e82, 6)
+ STEP(I, d, a, b, c, GET(11), 0xbd3af235, 10)
+ STEP(I, c, d, a, b, GET(2), 0x2ad7d2bb, 15)
+ STEP(I, b, c, d, a, GET(9), 0xeb86d391, 21)
+
+ a += saved_a;
+ b += saved_b;
+ c += saved_c;
+ d += saved_d;
+
+ ptr += 64;
+ } while (size -= 64);
+
+ ctx->a = a;
+ ctx->b = b;
+ ctx->c = c;
+ ctx->d = d;
+
+ return ptr;
+}
+
+void MD5_Init(MD5_CTX *ctx)
+{
+ ctx->a = 0x67452301;
+ ctx->b = 0xefcdab89;
+ ctx->c = 0x98badcfe;
+ ctx->d = 0x10325476;
+
+ ctx->lo = 0;
+ ctx->hi = 0;
+}
+
+void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size)
+{
+ MD5_u32plus saved_lo;
+ unsigned long used, available;
+
+ saved_lo = ctx->lo;
+ if ((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo)
+ ctx->hi++;
+ ctx->hi += size >> 29;
+
+ used = saved_lo & 0x3f;
+
+ if (used) {
+ available = 64 - used;
+
+ if (size < available) {
+ memcpy(&ctx->buffer[used], data, size);
+ return;
+ }
+
+ memcpy(&ctx->buffer[used], data, available);
+ data = (const unsigned char *)data + available;
+ size -= available;
+ body(ctx, ctx->buffer, 64);
+ }
+
+ if (size >= 64) {
+ data = body(ctx, data, size & ~(unsigned long)0x3f);
+ size &= 0x3f;
+ }
+
+ memcpy(ctx->buffer, data, size);
+}
+
+#define OUT(dst, src) \
+ (dst)[0] = (unsigned char)(src); \
+ (dst)[1] = (unsigned char)((src) >> 8); \
+ (dst)[2] = (unsigned char)((src) >> 16); \
+ (dst)[3] = (unsigned char)((src) >> 24);
+
+void MD5_Final(unsigned char *result, MD5_CTX *ctx)
+{
+ unsigned long used, available;
+
+ used = ctx->lo & 0x3f;
+
+ ctx->buffer[used++] = 0x80;
+
+ available = 64 - used;
+
+ if (available < 8) {
+ memset(&ctx->buffer[used], 0, available);
+ body(ctx, ctx->buffer, 64);
+ used = 0;
+ available = 64;
+ }
+
+ memset(&ctx->buffer[used], 0, available - 8);
+
+ ctx->lo <<= 3;
+ OUT(&ctx->buffer[56], ctx->lo)
+ OUT(&ctx->buffer[60], ctx->hi)
+
+ body(ctx, ctx->buffer, 64);
+
+ OUT(&result[0], ctx->a)
+ OUT(&result[4], ctx->b)
+ OUT(&result[8], ctx->c)
+ OUT(&result[12], ctx->d)
+
+ memset(ctx, 0, sizeof(*ctx));
+}
+
+
+//////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////
+
+static MD5_CTX md5ctx;
+
+void xxprintf_start(void)
+{
+ MD5_Init(&md5ctx);
+}
+
+void xxprintf_done(void)
+{
+ const char hexchar[16] = "0123456789abcdef";
+ unsigned char result[100];
+ memset(result, 0, sizeof(result));
+ MD5_Final(&result[0], &md5ctx);
+ printf("final MD5 = ");
+ int i;
+ for (i = 0; i < 16; i++) {
+ printf("%c%c", hexchar[0xF & (result[i] >> 4)],
+ hexchar[0xF & (result[i] >> 0)]);
+ }
+ printf("\n");
+}
+
+__attribute__((format(__printf__, 1, 2)))
+void xxprintf (const char *format, ...)
+{
+ char buf[128];
+ memset(buf, 0, sizeof(buf));
+
+ va_list vargs;
+ va_start(vargs, format);
+ int n = vsnprintf(buf, sizeof(buf)-1, format, vargs);
+ va_end(vargs);
+
+ assert(n < sizeof(buf)-1);
+ assert(buf[sizeof(buf)-1] == 0);
+ assert(buf[sizeof(buf)-2] == 0);
+
+ MD5_Update(&md5ctx, buf, strlen(buf));
+ if (0) printf("QQQ %s", buf);
+}
+
+//////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////
+
+
+/* Setting this to 1 creates a very comprehensive test of
+ integer condition codes. */
+#define TEST_INTEGER_VERBOSE 1
+
+
+//#define LINUX_VM86_IOPL_FIX
+//#define TEST_P4_FLAGS
+
+#define xglue(x, y) x ## y
+#define glue(x, y) xglue(x, y)
+#define stringify(s) tostring(s)
+#define tostring(s) #s
+
+#define CC_C 0x0001
+#define CC_P 0x0004
+#define CC_A 0x0010
+#define CC_Z 0x0040
+#define CC_S 0x0080
+#define CC_O 0x0800
+
+#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)
+
+#define OP add
+#include "fb_test_i386.h"
+
+#define OP sub
+#include "fb_test_i386.h"
+
+#define OP xor
+#include "fb_test_i386.h"
+
+#define OP and
+#include "fb_test_i386.h"
+
+#define OP or
+#include "fb_test_i386.h"
+
+#define OP cmp
+#include "fb_test_i386.h"
+
+#define OP adc
+#define OP_CC
+#include "fb_test_i386.h"
+
+#define OP sbb
+#define OP_CC
+#include "fb_test_i386.h"
+
+#define OP inc
+#define OP_CC
+#define OP1
+#include "fb_test_i386.h"
+
+#define OP dec
+#define OP_CC
+#define OP1
+#include "fb_test_i386.h"
+
+#define OP neg
+#define OP_CC
+#define OP1
+#include "fb_test_i386.h"
+
+#define OP not
+#define OP_CC
+#define OP1
+#include "fb_test_i386.h"
+
+#undef CC_MASK
+#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O)
+
+#define OP shl
+#include "fb_test_i386_shift.h"
+
+#define OP shr
+#include "fb_test_i386_shift.h"
+
+#define OP sar
+#include "fb_test_i386_shift.h"
+
+#define OP rol
+#include "fb_test_i386_shift.h"
+
+#define OP ror
+#include "fb_test_i386_shift.h"
+
+#define OP rcr
+#define OP_CC
+#include "fb_test_i386_shift.h"
+
+#define OP rcl
+#define OP_CC
+#include "fb_test_i386_shift.h"
+
+#define OP shld
+#define OP_SHIFTD
+#define OP_NOBYTE
+#include "fb_test_i386_shift.h"
+
+#define OP shrd
+#define OP_SHIFTD
+#define OP_NOBYTE
+#include "fb_test_i386_shift.h"
+
+
+/* XXX: should be more precise ? */
+#undef CC_MASK
+#define CC_MASK (CC_C)
+
+#define OP bt
+#define OP_NOBYTE
+#include "fb_test_i386_shift.h"
+
+#define OP bts
+#define OP_NOBYTE
+#include "fb_test_i386_shift.h"
+
+#define OP btr
+#define OP_NOBYTE
+#include "fb_test_i386_shift.h"
+
+#define OP btc
+#define OP_NOBYTE
+#include "fb_test_i386_shift.h"
+
+
+/* lea test (modrm support) */
+#define TEST_LEA(STR)\
+{\
+ asm("leal " STR ", %0"\
+ : "=r" (res)\
+ : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\
+ xxprintf("lea %s = %08x\n", STR, res);\
+}
+
+void test_lea(void)
+{
+ int eax, ebx, ecx, edx, esi, edi, res;
+ eax = 0x0001;
+ ebx = 0x0002;
+ ecx = 0x0004;
+ edx = 0x0008;
+ esi = 0x0010;
+ edi = 0x0020;
+
+ TEST_LEA("0x4000");
+
+ TEST_LEA("(%%eax)");
+ TEST_LEA("(%%ebx)");
+ TEST_LEA("(%%ecx)");
+ TEST_LEA("(%%edx)");
+ TEST_LEA("(%%esi)");
+ TEST_LEA("(%%edi)");
+
+ TEST_LEA("0x40(%%eax)");
+ TEST_LEA("0x40(%%ebx)");
+ TEST_LEA("0x40(%%ecx)");
+ TEST_LEA("0x40(%%edx)");
+ TEST_LEA("0x40(%%esi)");
+ TEST_LEA("0x40(%%edi)");
+
+ TEST_LEA("0x4000(%%eax)");
+ TEST_LEA("0x4000(%%ebx)");
+ TEST_LEA("0x4000(%%ecx)");
+ TEST_LEA("0x4000(%%edx)");
+ TEST_LEA("0x4000(%%esi)");
+ TEST_LEA("0x4000(%%edi)");
+
+ TEST_LEA("(%%eax, %%ecx)");
+ TEST_LEA("(%%ebx, %%edx)");
+ TEST_LEA("(%%ecx, %%ecx)");
+ TEST_LEA("(%%edx, %%ecx)");
+ TEST_LEA("(%%esi, %%ecx)");
+ TEST_LEA("(%%edi, %%ecx)");
+
+ TEST_LEA("0x40(%%eax, %%ecx)");
+ TEST_LEA("0x4000(%%ebx, %%edx)");
+
+ TEST_LEA("(%%ecx, %%ecx, 2)");
+ TEST_LEA("(%%edx, %%ecx, 4)");
+ TEST_LEA("(%%esi, %%ecx, 8)");
+
+ TEST_LEA("(,%%eax, 2)");
+ TEST_LEA("(,%%ebx, 4)");
+ TEST_LEA("(,%%ecx, 8)");
+
+ TEST_LEA("0x40(,%%eax, 2)");
+ TEST_LEA("0x40(,%%ebx, 4)");
+ TEST_LEA("0x40(,%%ecx, 8)");
+
+
+ TEST_LEA("-10(%%ecx, %%ecx, 2)");
+ TEST_LEA("-10(%%edx, %%ecx, 4)");
+ TEST_LEA("-10(%%esi, %%ecx, 8)");
+
+ TEST_LEA("0x4000(%%ecx, %%ecx, 2)");
+ TEST_LEA("0x4000(%%edx, %%ecx, 4)");
+ TEST_LEA("0x4000(%%esi, %%ecx, 8)");
+}
+
+#define TEST_JCC(JCC, v1, v2)\
+{ int one = 1; \
+ int res;\
+ asm("movl $1, %0\n\t"\
+ "cmpl %2, %1\n\t"\
+ "j" JCC " 1f\n\t"\
+ "movl $0, %0\n\t"\
+ "1:\n\t"\
+ : "=r" (res)\
+ : "r" (v1), "r" (v2));\
+ xxprintf("%-10s %d\n", "j" JCC, res);\
+\
+ asm("movl $0, %0\n\t"\
+ "cmpl %2, %1\n\t"\
+ "set" JCC " %b0\n\t"\
+ : "=r" (res)\
+ : "r" (v1), "r" (v2));\
+ xxprintf("%-10s %d\n", "set" JCC, res);\
+ {\
+ asm("movl $0x12345678, %0\n\t"\
+ "cmpl %2, %1\n\t"\
+ "cmov" JCC "l %3, %0\n\t"\
+ : "=r" (res)\
+ : "r" (v1), "r" (v2), "m" (one));\
+ xxprintf("%-10s R=0x%08x\n", "cmov" JCC "l", res);\
+ asm("movl $0x12345678, %0\n\t"\
+ "cmpl %2, %1\n\t"\
+ "cmov" JCC "w %w3, %w0\n\t"\
+ : "=r" (res)\
+ : "r" (v1), "r" (v2), "r" (one));\
+ xxprintf("%-10s R=0x%08x\n", "cmov" JCC "w", res);\
+ } \
+}
+
+/* various jump tests */
+void test_jcc(void)
+{
+ TEST_JCC("ne", 1, 1);
+ TEST_JCC("ne", 1, 0);
+
+ TEST_JCC("e", 1, 1);
+ TEST_JCC("e", 1, 0);
+
+ TEST_JCC("l", 1, 1);
+ TEST_JCC("l", 1, 0);
+ TEST_JCC("l", 1, -1);
+
+ TEST_JCC("le", 1, 1);
+ TEST_JCC("le", 1, 0);
+ TEST_JCC("le", 1, -1);
+
+ TEST_JCC("ge", 1, 1);
+ TEST_JCC("ge", 1, 0);
+ TEST_JCC("ge", -1, 1);
+
+ TEST_JCC("g", 1, 1);
+ TEST_JCC("g", 1, 0);
+ TEST_JCC("g", 1, -1);
+
+ TEST_JCC("b", 1, 1);
+ TEST_JCC("b", 1, 0);
+ TEST_JCC("b", 1, -1);
+
+ TEST_JCC("be", 1, 1);
+ TEST_JCC("be", 1, 0);
+ TEST_JCC("be", 1, -1);
+
+ TEST_JCC("ae", 1, 1);
+ TEST_JCC("ae", 1, 0);
+ TEST_JCC("ae", 1, -1);
+
+ TEST_JCC("a", 1, 1);
+ TEST_JCC("a", 1, 0);
+ TEST_JCC("a", 1, -1);
+
+
+ TEST_JCC("p", 1, 1);
+ TEST_JCC("p", 1, 0);
+
+ TEST_JCC("np", 1, 1);
+ TEST_JCC("np", 1, 0);
+
+ TEST_JCC("o", 0x7fffffff, 0);
+ TEST_JCC("o", 0x7fffffff, -1);
+
+ TEST_JCC("no", 0x7fffffff, 0);
+ TEST_JCC("no", 0x7fffffff, -1);
+
+ TEST_JCC("s", 0, 1);
+ TEST_JCC("s", 0, -1);
+ TEST_JCC("s", 0, 0);
+
+ TEST_JCC("ns", 0, 1);
+ TEST_JCC("ns", 0, -1);
+ TEST_JCC("ns", 0, 0);
+}
+
+#undef CC_MASK
+#ifdef TEST_P4_FLAGS
+#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)
+#else
+#define CC_MASK (CC_O | CC_C)
+#endif
+
+ #define OP mul
+#include "fb_test_i386_muldiv.h"
+
+ #define OP imul
+#include "fb_test_i386_muldiv.h"
+
+void test_imulw2(int op0, int op1)
+{
+ int res, s1, s0, flags;
+ s0 = op0;
+ s1 = op1;
+ res = s0;
+ flags = 0;
+ asm ("push %4\n\t"
+ "popf\n\t"
+ "imulw %w2, %w0\n\t"
+ "pushf\n\t"
+ "popl %1\n\t"
+ : "=q" (res), "=g" (flags)
+ : "q" (s1), "0" (res), "1" (flags));
+ xxprintf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
+ "imulw", s0, s1, res, flags & CC_MASK);
+}
+
+void test_imull2(int op0, int op1)
+{
+ int res, s1, s0, flags;
+ s0 = op0;
+ s1 = op1;
+ res = s0;
+ flags = 0;
+ asm ("push %4\n\t"
+ "popf\n\t"
+ "imull %2, %0\n\t"
+ "pushf\n\t"
+ "popl %1\n\t"
+ : "=q" (res), "=g" (flags)
+ : "q" (s1), "0" (res), "1" (flags));
+ xxprintf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
+ "imull", s0, s1, res, flags & CC_MASK);
+}
+
+#define TEST_IMUL_IM(size, size1, op0, op1)\
+{\
+ int res, flags;\
+ flags = 0;\
+ res = 0;\
+ asm ("push %3\n\t"\
+ "popf\n\t"\
+ "imul" size " $" #op0 ", %" size1 "2, %" size1 "0\n\t" \
+ "pushf\n\t"\
+ "popl %1\n\t"\
+ : "=r" (res), "=g" (flags)\
+ : "r" (op1), "1" (flags), "0" (res));\
+ xxprintf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",\
+ "imul" size, op0, op1, res, flags & CC_MASK);\
+}
+
+
+#undef CC_MASK
+#define CC_MASK (0)
+
+#define OP div
+#include "fb_test_i386_muldiv.h"
+
+#define OP idiv
+#include "fb_test_i386_muldiv.h"
+
+void test_mul(void)
+{
+ test_imulb(0x1234561d, 4);
+ test_imulb(3, -4);
+ test_imulb(0x80, 0x80);
+ test_imulb(0x10, 0x10);
+
+ test_imulw(0, 0, 0);
+ test_imulw(0, 0xFF, 0xFF);
+ test_imulw(0, 0xFF, 0x100);
+ test_imulw(0, 0x1234001d, 45);
+ test_imulw(0, 23, -45);
+ test_imulw(0, 0x8000, 0x8000);
+ test_imulw(0, 0x100, 0x100);
+
+ test_imull(0, 0, 0);
+ test_imull(0, 0xFFFF, 0xFFFF);
+ test_imull(0, 0xFFFF, 0x10000);
+ test_imull(0, 0x1234001d, 45);
+ test_imull(0, 23, -45);
+ test_imull(0, 0x80000000, 0x80000000);
+ test_imull(0, 0x10000, 0x10000);
+
+ test_mulb(0x1234561d, 4);
+ test_mulb(3, -4);
+ test_mulb(0x80, 0x80);
+ test_mulb(0x10, 0x10);
+
+ test_mulw(0, 0x1234001d, 45);
+ test_mulw(0, 23, -45);
+ test_mulw(0, 0x8000, 0x8000);
+ test_mulw(0, 0x100, 0x100);
+
+ test_mull(0, 0x1234001d, 45);
+ test_mull(0, 23, -45);
+ test_mull(0, 0x80000000, 0x80000000);
+ test_mull(0, 0x10000, 0x10000);
+
+ test_imulw2(0x1234001d, 45);
+ test_imulw2(23, -45);
+ test_imulw2(0x8000, 0x8000);
+ test_imulw2(0x100, 0x100);
+
+ test_imull2(0x1234001d, 45);
+ test_imull2(23, -45);
+ test_imull2(0x80000000, 0x80000000);
+ test_imull2(0x10000, 0x10000);
+
+ TEST_IMUL_IM("w", "w", 45, 0x1234);
+ TEST_IMUL_IM("w", "w", -45, 23);
+ TEST_IMUL_IM("w", "w", 0x8000, 0x80000000);
+ TEST_IMUL_IM("w", "w", 0x7fff, 0x1000);
+
+ TEST_IMUL_IM("l", "", 45, 0x1234);
+ TEST_IMUL_IM("l", "", -45, 23);
+ TEST_IMUL_IM("l", "", 0x8000, 0x80000000);
+ TEST_IMUL_IM("l", "", 0x7fff, 0x1000);
+
+ test_idivb(0x12341678, 0x127e);
+ test_idivb(0x43210123, -5);
+ test_idivb(0x12340004, -1);
+
+ test_idivw(0, 0x12345678, 12347);
+ test_idivw(0, -23223, -45);
+ test_idivw(0, 0x12348000, -1);
+ test_idivw(0x12343, 0x12345678, 0x81238567);
+
+ test_idivl(0, 0x12345678, 12347);
+ test_idivl(0, -233223, -45);
+ test_idivl(0, 0x80000000, -1);
+ test_idivl(0x12343, 0x12345678, 0x81234567);
+
+ test_divb(0x12341678, 0x127e);
+ test_divb(0x43210123, -5);
+ test_divb(0x12340004, -1);
+
+ test_divw(0, 0x12345678, 12347);
+ test_divw(0, -23223, -45);
+ test_divw(0, 0x12348000, -1);
+ test_divw(0x12343, 0x12345678, 0x81238567);
+
+ test_divl(0, 0x12345678, 12347);
+ test_divl(0, -233223, -45);
+ test_divl(0, 0x80000000, -1);
+ test_divl(0x12343, 0x12345678, 0x81234567);
+}
+
+#define TEST_BSX(op, size, op0)\
+{\
+ int res, val, resz;\
+ val = op0;\
+ asm("xorl %1, %1\n\t"\
+ "movl $0x12345678, %0\n\t"\
+ #op " %" size "2, %" size "0\n\t" \
+ "setz %b1" \
+ : "=r" (res), "=q" (resz)\
+ : "r" (val));\
+ xxprintf("%-10s A=%08x R=%08x %d\n", #op, val, res, resz);\
+}
+
+void test_bsx(void)
+{
+ TEST_BSX(bsrw, "w", 0);
+ TEST_BSX(bsrw, "w", 0x12340128);
+ TEST_BSX(bsrl, "", 0);
+ TEST_BSX(bsrl, "", 0x00340128);
+ TEST_BSX(bsfw, "w", 0);
+ TEST_BSX(bsfw, "w", 0x12340128);
+ TEST_BSX(bsfl, "", 0);
+ TEST_BSX(bsfl, "", 0x00340128);
+}
+
+/**********************************************/
+
+void test_fops(double a, double b)
+{
+ xxprintf("a=%f b=%f a+b=%f\n", a, b, a + b);
+ xxprintf("a=%f b=%f a-b=%f\n", a, b, a - b);
+ xxprintf("a=%f b=%f a*b=%f\n", a, b, a * b);
+ xxprintf("a=%f b=%f a/b=%f\n", a, b, a / b);
+ xxprintf("a=%f b=%f fmod(a, b)=%f\n", a, b, fmod(a, b));
+ xxprintf("a=%f sqrt(a)=%f\n", a, sqrt(a));
+ xxprintf("a=%f sin(a)=%f\n", a, sin(a));
+ xxprintf("a=%f cos(a)=%f\n", a, cos(a));
+ xxprintf("a=%f tan(a)=%f\n", a, tan(a));
+ xxprintf("a=%f log(a)=%f\n", a, log(a));
+ xxprintf("a=%f exp(a)=%f\n", a, exp(a));
+ xxprintf("a=%f b=%f atan2(a, b)=%f\n", a, b, atan2(a, b));
+ /* just to test some op combining */
+ xxprintf("a=%f asin(sin(a))=%f\n", a, asin(sin(a)));
+ xxprintf("a=%f acos(cos(a))=%f\n", a, acos(cos(a)));
+ xxprintf("a=%f atan(tan(a))=%f\n", a, atan(tan(a)));
+}
+
+void test_fcmp(double a, double b)
+{
+ xxprintf("(%f<%f)=%d\n",
+ a, b, a < b);
+ xxprintf("(%f<=%f)=%d\n",
+ a, b, a <= b);
+ xxprintf("(%f==%f)=%d\n",
+ a, b, a == b);
+ xxprintf("(%f>%f)=%d\n",
+ a, b, a > b);
+ xxprintf("(%f<=%f)=%d\n",
+ a, b, a >= b);
+ {
+ unsigned int eflags;
+ /* test f(u)comi instruction */
+ asm("fcomi %2, %1\n"
+ "pushf\n"
+ "popl %0\n" // FLORI was pop
+ : "=r" (eflags)
+ : "t" (a), "u" (b));
+ xxprintf("fcomi(%f %f)=%08x\n", a, b, eflags & (CC_Z | CC_P | CC_C));
+ }
+}
+
+void test_fcvt(double a)
+{
+ float fa;
+ long double la;
+ int16_t fpuc;
+ int i;
+ int64_t lla;
+ int ia;
+ int16_t wa;
+ double ra;
+
+ fa = a;
+ la = a;
+ xxprintf("(float)%f = %f\n", a, fa);
+ xxprintf("(long double)%f = %Lf\n", a, la);
+ xxprintf("a=%016llx\n", *(unsigned long long int *) &a);
+ xxprintf("la=%016llx %04x\n", *(unsigned long long int *) &la,
+ *(unsigned short *) ((char *)(&la) + 8));
+
+ /* test all roundings */
+ asm volatile ("fstcw %0" : "=m" (fpuc));
+ for(i=0;i<4;i++) {
+ int16_t tmp = (fpuc & ~0x0c00) | (i << 10);
+ asm volatile ("fldcw %0" : : "m" (tmp));
+ asm volatile ("fists %0" : "=m" (wa) : "t" (a));
+ asm volatile ("fistl %0" : "=m" (ia) : "t" (a));
+ asm volatile ("fistpll %0" : "=m" (lla) : "t" (a) : "st");
+ asm volatile ("frndint ; fstl %0" : "=m" (ra) : "t" (a));
+ asm volatile ("fldcw %0" : : "m" (fpuc));
+ xxprintf("(short)a = %d\n", wa);
+ xxprintf("(int)a = %d\n", ia);
+ xxprintf("(int64_t)a = %lld\n", lla);
+ xxprintf("rint(a) = %f\n", ra);
+ }
+}
+
+#define TEST(N) \
+ asm("fld" #N : "=t" (a)); \
+ xxprintf("fld" #N "= %f\n", a);
+
+void test_fconst(void)
+{
+ double a;
+ TEST(1);
+ TEST(l2t);
+ TEST(l2e);
+ TEST(pi);
+ TEST(lg2);
+ TEST(ln2);
+ TEST(z);
+}
+
+void test_fbcd(double a)
+{
+ unsigned short bcd[5];
+ double b;
+
+ asm("fbstp %0" : "=m" (bcd[0]) : "t" (a) : "st");
+ asm("fbld %1" : "=t" (b) : "m" (bcd[0]));
+ xxprintf("a=%f bcd=%04x%04x%04x%04x%04x b=%f\n",
+ a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b);
+}
+
+#define TEST_ENV(env, save, restore)\
+{\
+ memset((env), 0xaa, sizeof(*(env)));\
+ for(i=0;i<5;i++)\
+ asm volatile ("fldl %0" : : "m" (dtab[i]));\
+ asm(save " %0\n" : : "m" (*(env)));\
+ asm(restore " %0\n": : "m" (*(env)));\
+ for(i=0;i<5;i++)\
+ asm volatile ("fstpl %0" : "=m" (rtab[i]));\
+ for(i=0;i<5;i++)\
+ xxprintf("res[%d]=%f\n", i, rtab[i]);\
+ xxprintf("fpuc=%04x fpus=%04x fptag=%04x\n",\
+ (env)->fpuc,\
+ (env)->fpus & 0xff00,\
+ (env)->fptag);\
+}
+
+void test_fenv(void)
+{
+ struct __attribute__((packed)) {
+ uint16_t fpuc;
+ uint16_t dummy1;
+ uint16_t fpus;
+ uint16_t dummy2;
+ uint16_t fptag;
+ uint16_t dummy3;
+ uint32_t ignored[4];
+ long double fpregs[8];
+ } float_env32;
+#if 0
+ struct __attribute__((packed)) {
+ uint16_t fpuc;
+ uint16_t fpus;
+ uint16_t fptag;
+ uint16_t ignored[4];
+ long double fpregs[8];
+ } float_env16;
+#endif
+ double dtab[8];
+ double rtab[8];
+ int i;
+
+ for(i=0;i<8;i++)
+ dtab[i] = i + 1;
+
+#if 0
+ /* Commented out because results differ when run under
+ valgrind --tool=none
+ Not sure whether the code here is busted or there is a bug
+ in VEX. */
+ TEST_ENV(&float_env16, "data16 fnstenv", "data16 fldenv");
+ TEST_ENV(&float_env16, "data16 fnsave", "data16 frstor");
+#endif
+ TEST_ENV(&float_env32, "fnstenv", "fldenv");
+ TEST_ENV(&float_env32, "fnsave", "frstor");
+
+ /* test for ffree */
+ for(i=0;i<5;i++)
+ asm volatile ("fldl %0" : : "m" (dtab[i]));
+ asm volatile("ffree %st(2)");
+ asm volatile ("fnstenv %0\n" : : "m" (float_env32));
+ asm volatile ("fninit");
+ xxprintf("fptag=%04x\n", float_env32.fptag);
+}
+
+
+#define TEST_FCMOV(a, b, eflags, CC)\
+{\
+ double res;\
+ asm("push %3\n"\
+ "popf\n"\
+ "fcmov" CC " %2, %0\n"\
+ : "=t" (res)\
+ : "0" (a), "u" (b), "g" (eflags));\
+ xxprintf("fcmov%s eflags=0x%04x-> %f\n", \
+ CC, eflags, res);\
+}
+
+void test_fcmov(void)
+{
+ double a, b;
+ int eflags, i;
+
+ a = 1.0;
+ b = 2.0;
+ for(i = 0; i < 4; i++) {
+ eflags = 0;
+ if (i & 1)
+ eflags |= CC_C;
+ if (i & 2)
+ eflags |= CC_Z;
+ TEST_FCMOV(a, b, eflags, "b");
+ TEST_FCMOV(a, b, eflags, "e");
+ TEST_FCMOV(a, b, eflags, "be");
+ TEST_FCMOV(a, b, eflags, "nb");
+ TEST_FCMOV(a, b, eflags, "ne");
+ TEST_FCMOV(a, b, eflags, "nbe");
+ }
+ TEST_FCMOV(a, b, 0, "u");
+ TEST_FCMOV(a, b, CC_P, "u");
+ TEST_FCMOV(a, b, 0, "nu");
+ TEST_FCMOV(a, b, CC_P, "nu");
+}
+
+void test_floats(void)
+{
+ test_fops(2, 3);
+ test_fops(1.4, -5);
+ test_fcmp(2, -1);
+ test_fcmp(2, 2);
+ test_fcmp(2, 3);
+ test_fcvt(0.5);
+ test_fcvt(-0.5);
+ test_fcvt(1.0/7.0);
+ test_fcvt(-1.0/9.0);
+ test_fcvt(32768);
+ test_fcvt(-1e20);
+ test_fconst();
+ // REINSTATE (maybe): test_fbcd(1234567890123456);
+ // REINSTATE (maybe): test_fbcd(-123451234567890);
+ // REINSTATE: test_fenv();
+ // REINSTATE: test_fcmov();
+}
+
+/**********************************************/
+
+#define TEST_XCHG(op, size, opconst)\
+{\
+ int op0, op1;\
+ op0 = 0x12345678;\
+ op1 = 0xfbca7654;\
+ asm(#op " %" size "0, %" size "1" \
+ : "=q" (op0), opconst (op1) \
+ : "0" (op0), "1" (op1));\
+ xxprintf("%-10s A=%08x B=%08x\n",\
+ #op, op0, op1);\
+}
+
+#define TEST_CMPXCHG(op, size, opconst, eax)\
+{\
+ int op0, op1;\
+ op0 = 0x12345678;\
+ op1 = 0xfbca7654;\
+ asm(#op " %" size "0, %" size "1" \
+ : "=q" (op0), opconst (op1) \
+ : "0" (op0), "1" (op1), "a" (eax));\
+ xxprintf("%-10s EAX=%08x A=%08x C=%08x\n",\
+ #op, eax, op0, op1);\
+}
+#if 0
+// commented out due to gcc warning: matching constraint does not allow a register
+void test_xchg(void)
+{
+ TEST_XCHG(xchgl, "", "=q");
+ TEST_XCHG(xchgw, "w", "=q");
+ TEST_XCHG(xchgb, "b", "=q");
+
+ TEST_XCHG(xchgl, "", "=m");
+ TEST_XCHG(xchgw, "w", "=m");
+ TEST_XCHG(xchgb, "b", "=m");
+
+ TEST_CMPXCHG(cmpxchgl, "", "=q", 0xfbca7654);
+ TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfbca7654);
+ TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfbca7654);
+
+ TEST_CMPXCHG(cmpxchgl, "", "=q", 0xfffefdfc);
+ TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfffefdfc);
+ TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfffefdfc);
+
+ TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfbca7654);
+ TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfbca7654);
+ TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfbca7654);
+
+ TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfffefdfc);
+ TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfffefdfc);
+ TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfffefdfc);
+}
+#endif
+/**********************************************/
+
+uint8_t str_buffer[4096];
+
+#define TEST_STRING1(OP, size, DF, REP)\
+{\
+ int esi, edi, eax, ecx, eflags;\
+\
+ esi = (long)(str_buffer + sizeof(str_buffer) / 2);\
+ edi = (long)(str_buffer + sizeof(str_buffer) / 2) + 16;\
+ eax = 0x12345678;\
+ ecx = 17;\
+\
+ asm volatile ("pushl $0\n\t"\
+ "popf\n\t"\
+ DF "\n\t"\
+ REP #OP size "\n\t"\
+ "cld\n\t"\
+ "pushf\n\t"\
+ "popl %4\n\t"\
+ : "=S" (esi), "=D" (edi), "=a" (eax), "=c" (ecx), "=g" (eflags)\
+ : "0" (esi), "1" (edi), "2" (eax), "3" (ecx));\
+ xxprintf("%-10s ESI=%08x EDI=%08x EAX=%08x ECX=%08x EFL=%04x\n",\
+ REP #OP size, esi, edi, eax, ecx,\
+ eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));\
+}
+
+#define TEST_STRING(OP, REP)\
+ TEST_STRING1(OP, "b", "", REP);\
+ TEST_STRING1(OP, "w", "", REP);\
+ TEST_STRING1(OP, "l", "", REP);\
+ TEST_STRING1(OP, "b", "std", REP);\
+ TEST_STRING1(OP, "w", "std", REP);\
+ TEST_STRING1(OP, "l", "std", REP)
+
+void test_string(void)
+{
+ int i;
+ for(i = 0;i < sizeof(str_buffer); i++)
+ str_buffer[i] = i + 0x56;
+ TEST_STRING(stos, "");
+ TEST_STRING(stos, "rep ");
+ // REINSTATE: TEST_STRING(lods, ""); /* to verify stos */
+ // REINSTATE: TEST_STRING(lods, "rep ");
+ TEST_STRING(movs, "");
+ TEST_STRING(movs, "rep ");
+ // REINSTATE: TEST_STRING(lods, ""); /* to verify stos */
+
+ /* XXX: better tests */
+ TEST_STRING(scas, "");
+ // REINSTATE: TEST_STRING(scas, "repz ");
+ TEST_STRING(scas, "repnz ");
+ // REINSTATE: TEST_STRING(cmps, "");
+ TEST_STRING(cmps, "repz ");
+ // REINSTATE: TEST_STRING(cmps, "repnz ");
+}
+
+
+int main(int argc, char **argv)
+{
+ // The three commented out test cases produce different results at different
+ // compiler optimisation levels. This suggests to me that their inline
+ // assembly is incorrect. I don't have time to investigate now, though. So
+ // they are disabled.
+ xxprintf_start();
+
+ test_adc();
+ test_add();
+ test_and();
+// test_bsx();
+ test_cmp();
+ test_dec();
+ test_fcmov();
+ test_fconst();
+ test_fenv();
+ test_floats();
+ test_inc();
+// test_jcc();
+ test_lea();
+ test_mul();
+ test_neg();
+ test_not();
+ test_or();
+ test_rcl();
+ test_rcr();
+ test_rol();
+ test_ror();
+ test_sar();
+ test_sbb();
+ test_shl();
+ test_shld();
+ test_shr();
+ test_shrd();
+// test_string();
+ test_sub();
+ test_xor();
+ test_bt();
+ test_btc();
+ test_btr();
+ test_bts();
+
+ xxprintf_done();
+ return 0;
+}
-#define FULLTXT 1
-
#define exec_op glue(exec_, OP)
#define exec_opl glue(glue(exec_, OP), l)
#define exec_opw glue(glue(exec_, OP), w)
: "0" (res), "1" (flags));
#ifdef OP1
-inline void exec_opl(int s0, int s1, int iflags)
+static inline void exec_opl(int s0, int s1, int iflags)
{
int res, flags;
res = s0;
flags = iflags;
EXECOP1("", res, flags);
- if (FULLTXT)
- printf("%-6s A=%08x R=%08x CCIN=%04x CC=%04x\n",
- stringify(OP) "l", s0, res, iflags, flags & CC_MASK);
- else
- printf("%08x %04x %04x\n",
- res, iflags, flags & CC_MASK);
-
+ xxprintf("%-6s A=%08x R=%08x CCIN=%04x CC=%04x\n",
+ stringify(OP) "l", s0, res, iflags, flags & CC_MASK);
}
-inline void exec_opw(int s0, int s1, int iflags)
+static inline void exec_opw(int s0, int s1, int iflags)
{
int res, flags;
res = s0;
flags = iflags;
EXECOP1("w", res, flags);
- if (FULLTXT)
- printf("%-6s A=%08x R=%08x CCIN=%04x CC=%04x\n",
- stringify(OP) "w", s0, res, iflags, flags & CC_MASK);
- else
- printf("%08x %04x %04x\n",
- res, iflags, flags & CC_MASK);
-
+ xxprintf("%-6s A=%08x R=%08x CCIN=%04x CC=%04x\n",
+ stringify(OP) "w", s0, res, iflags, flags & CC_MASK);
}
-inline void exec_opb(int s0, int s1, int iflags)
+static inline void exec_opb(int s0, int s1, int iflags)
{
int res, flags;
res = s0;
flags = iflags;
EXECOP1("b", res, flags);
- if (FULLTXT)
- printf("%-6s A=%08x R=%08x CCIN=%04x CC=%04x\n",
- stringify(OP) "b", s0, res, iflags, flags & CC_MASK);
- else
- printf("%08x %04x %04x\n",
- res, iflags, flags & CC_MASK);
-
+ xxprintf("%-6s A=%08x R=%08x CCIN=%04x CC=%04x\n",
+ stringify(OP) "b", s0, res, iflags, flags & CC_MASK);
}
#else
-inline void exec_opl(int s0, int s1, int iflags)
+static inline void exec_opl(int s0, int s1, int iflags)
{
int res, flags;
res = s0;
flags = iflags;
EXECOP2("", res, s1, flags);
- if (FULLTXT)
- printf("%-6s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
- stringify(OP) "l", s0, s1, res, iflags, flags & CC_MASK);
- else
- printf("%08x %04x %04x\n",
- res, iflags, flags & CC_MASK);
+ xxprintf("%-6s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
+ stringify(OP) "l", s0, s1, res, iflags, flags & CC_MASK);
}
-inline void exec_opw(int s0, int s1, int iflags)
+static inline void exec_opw(int s0, int s1, int iflags)
{
int res, flags;
res = s0;
flags = iflags;
EXECOP2("w", res, s1, flags);
- if (FULLTXT)
- printf("%-6s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
- stringify(OP) "w", s0, s1, res, iflags, flags & CC_MASK);
- else
- printf("%08x %04x %04x\n",
- res, iflags, flags & CC_MASK);
+ xxprintf("%-6s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
+ stringify(OP) "w", s0, s1, res, iflags, flags & CC_MASK);
}
-inline void exec_opb(int s0, int s1, int iflags)
+static inline void exec_opb(int s0, int s1, int iflags)
{
int res, flags;
res = s0;
flags = iflags;
EXECOP2("b", res, s1, flags);
- if (FULLTXT)
- printf("%-6s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
- stringify(OP) "b", s0, s1, res, iflags, flags & CC_MASK);
- else
- printf("%08x %04x %04x\n",
- res, iflags, flags & CC_MASK);
+ xxprintf("%-6s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
+ stringify(OP) "b", s0, s1, res, iflags, flags & CC_MASK);
}
#endif
#undef NVALS
}
-void *glue(_test_, OP) __init_call = glue(test_, OP);
-
#undef OP
#undef OP_CC
-
-#undef FULLTXT
--- /dev/null
+final MD5 = 8b543bff11f0b835d0c7223e2eeb183b
--- /dev/null
+prog: fb_test_i386
+prereq: test -x fb_test_i386 && ../../../tests/x86_amd64_features x86-sse2
"popl %1\n\t"
: "=a" (res), "=g" (flags)
: "q" (s1), "0" (res), "1" (flags));
- printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
+ xxprintf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
stringify(OP) "b", s0, s1, res, flags & CC_MASK);
}
"popl %1\n\t"
: "=a" (res), "=g" (flags), "=d" (resh)
: "q" (s1), "0" (res), "1" (flags), "2" (resh));
- printf("%-10s AH=%08x AL=%08x B=%08x RH=%08x RL=%08x CC=%04x\n",
+ xxprintf("%-10s AH=%08x AL=%08x B=%08x RH=%08x RL=%08x CC=%04x\n",
stringify(OP) "w", op0h, op0, s1, resh, res, flags & CC_MASK);
}
"popl %1\n\t"
: "=a" (res), "=g" (flags), "=d" (resh)
: "q" (s1), "0" (res), "1" (flags), "2" (resh));
- printf("%-10s AH=%08x AL=%08x B=%08x RH=%08x RL=%08x CC=%04x\n",
+ xxprintf("%-10s AH=%08x AL=%08x B=%08x RH=%08x RL=%08x CC=%04x\n",
stringify(OP) "l", op0h, op0, s1, resh, res, flags & CC_MASK);
}
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
- printf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
+ xxprintf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
stringify(OP) "l", s0, s1, res, iflags, flags & CC_MASK);
}
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
- printf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
+ xxprintf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
stringify(OP) "w", s0, s1, res, iflags, flags & CC_MASK);
}
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
- printf("%-10s A=%08x B=%08x C=%08x R=%08x CCIN=%04x CC=%04x\n",
+ xxprintf("%-10s A=%08x B=%08x C=%08x R=%08x CCIN=%04x CC=%04x\n",
stringify(OP) "l", s0, s2, s1, res, iflags, flags & CC_MASK);
}
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
- printf("%-10s A=%08x B=%08x C=%08x R=%08x CCIN=%04x CC=%04x\n",
+ xxprintf("%-10s A=%08x B=%08x C=%08x R=%08x CCIN=%04x CC=%04x\n",
stringify(OP) "w", s0, s2, s1, res, iflags, flags & CC_MASK);
}
/* overflow is undefined if count != 1 */
if (s1 != 1)
flags &= ~CC_O;
- printf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
+ xxprintf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n",
stringify(OP) "b", s0, s1, res, iflags, flags & CC_MASK);
}
#endif
exec_op(0x813f3421, 0x82345678, i);
}
-void *glue(_test_, OP) __init_call = glue(test_, OP);
-
#undef OP
#undef OP_CC
#undef OP_SHIFTD
projects / thirdparty / valgrind.git / commitdiff
