mirror of
https://gitlab.com/qemu-project/qemu
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b2bedb2144
Those blanks violate the coding conventions, see scripts/checkpatch.pl. Blanks missing after colons in the changed lines were added. This patch does not try to fix tabs, long lines and other problems in the changed lines, therefore checkpatch.pl reports many violations. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2764 lines
70 KiB
C
2764 lines
70 KiB
C
/*
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* x86 CPU test
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#define _GNU_SOURCE
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <inttypes.h>
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#include <math.h>
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#include <signal.h>
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#include <setjmp.h>
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#include <errno.h>
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#include <sys/ucontext.h>
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#include <sys/mman.h>
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#if !defined(__x86_64__)
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//#define TEST_VM86
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#define TEST_SEGS
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#endif
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//#define LINUX_VM86_IOPL_FIX
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//#define TEST_P4_FLAGS
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#ifdef __SSE__
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#define TEST_SSE
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#define TEST_CMOV 1
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#define TEST_FCOMI 1
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#else
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#undef TEST_SSE
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#define TEST_CMOV 1
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#define TEST_FCOMI 1
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#endif
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#if defined(__x86_64__)
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#define FMT64X "%016lx"
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#define FMTLX "%016lx"
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#define X86_64_ONLY(x) x
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#else
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#define FMT64X "%016" PRIx64
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#define FMTLX "%08lx"
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#define X86_64_ONLY(x)
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#endif
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#ifdef TEST_VM86
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#include <asm/vm86.h>
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#endif
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#define xglue(x, y) x ## y
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#define glue(x, y) xglue(x, y)
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#define stringify(s) tostring(s)
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#define tostring(s) #s
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#define CC_C 0x0001
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#define CC_P 0x0004
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#define CC_A 0x0010
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#define CC_Z 0x0040
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#define CC_S 0x0080
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#define CC_O 0x0800
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#define __init_call __attribute__ ((unused,__section__ ("initcall")))
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#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)
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#if defined(__x86_64__)
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static inline long i2l(long v)
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{
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return v | ((v ^ 0xabcd) << 32);
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}
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#else
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static inline long i2l(long v)
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{
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return v;
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}
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#endif
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#define OP add
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#include "test-i386.h"
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#define OP sub
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#include "test-i386.h"
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#define OP xor
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#include "test-i386.h"
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#define OP and
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#include "test-i386.h"
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#define OP or
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#include "test-i386.h"
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#define OP cmp
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#include "test-i386.h"
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#define OP adc
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#define OP_CC
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#include "test-i386.h"
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#define OP sbb
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#define OP_CC
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#include "test-i386.h"
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#define OP inc
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#define OP_CC
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#define OP1
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#include "test-i386.h"
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#define OP dec
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#define OP_CC
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#define OP1
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#include "test-i386.h"
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#define OP neg
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#define OP_CC
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#define OP1
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#include "test-i386.h"
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#define OP not
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#define OP_CC
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#define OP1
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#include "test-i386.h"
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#undef CC_MASK
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#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O)
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#define OP shl
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#include "test-i386-shift.h"
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#define OP shr
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#include "test-i386-shift.h"
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#define OP sar
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#include "test-i386-shift.h"
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#define OP rol
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#include "test-i386-shift.h"
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#define OP ror
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#include "test-i386-shift.h"
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#define OP rcr
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#define OP_CC
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#include "test-i386-shift.h"
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#define OP rcl
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#define OP_CC
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#include "test-i386-shift.h"
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#define OP shld
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#define OP_SHIFTD
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#define OP_NOBYTE
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#include "test-i386-shift.h"
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#define OP shrd
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#define OP_SHIFTD
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#define OP_NOBYTE
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#include "test-i386-shift.h"
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/* XXX: should be more precise ? */
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#undef CC_MASK
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#define CC_MASK (CC_C)
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#define OP bt
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#define OP_NOBYTE
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#include "test-i386-shift.h"
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#define OP bts
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#define OP_NOBYTE
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#include "test-i386-shift.h"
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#define OP btr
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#define OP_NOBYTE
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#include "test-i386-shift.h"
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#define OP btc
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#define OP_NOBYTE
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#include "test-i386-shift.h"
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/* lea test (modrm support) */
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#define TEST_LEAQ(STR)\
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{\
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asm("lea " STR ", %0"\
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: "=r" (res)\
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: "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\
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printf("lea %s = " FMTLX "\n", STR, res);\
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}
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#define TEST_LEA(STR)\
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{\
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asm("lea " STR ", %0"\
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: "=r" (res)\
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: "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\
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printf("lea %s = " FMTLX "\n", STR, res);\
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}
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#define TEST_LEA16(STR)\
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{\
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asm(".code16 ; .byte 0x67 ; leal " STR ", %0 ; .code32"\
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: "=wq" (res)\
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: "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\
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printf("lea %s = %08lx\n", STR, res);\
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}
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void test_lea(void)
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{
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long eax, ebx, ecx, edx, esi, edi, res;
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eax = i2l(0x0001);
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ebx = i2l(0x0002);
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ecx = i2l(0x0004);
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edx = i2l(0x0008);
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esi = i2l(0x0010);
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edi = i2l(0x0020);
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TEST_LEA("0x4000");
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TEST_LEA("(%%eax)");
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TEST_LEA("(%%ebx)");
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TEST_LEA("(%%ecx)");
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TEST_LEA("(%%edx)");
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TEST_LEA("(%%esi)");
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TEST_LEA("(%%edi)");
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TEST_LEA("0x40(%%eax)");
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TEST_LEA("0x40(%%ebx)");
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TEST_LEA("0x40(%%ecx)");
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TEST_LEA("0x40(%%edx)");
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TEST_LEA("0x40(%%esi)");
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TEST_LEA("0x40(%%edi)");
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TEST_LEA("0x4000(%%eax)");
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TEST_LEA("0x4000(%%ebx)");
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TEST_LEA("0x4000(%%ecx)");
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TEST_LEA("0x4000(%%edx)");
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TEST_LEA("0x4000(%%esi)");
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TEST_LEA("0x4000(%%edi)");
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TEST_LEA("(%%eax, %%ecx)");
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TEST_LEA("(%%ebx, %%edx)");
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TEST_LEA("(%%ecx, %%ecx)");
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TEST_LEA("(%%edx, %%ecx)");
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TEST_LEA("(%%esi, %%ecx)");
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TEST_LEA("(%%edi, %%ecx)");
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TEST_LEA("0x40(%%eax, %%ecx)");
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TEST_LEA("0x4000(%%ebx, %%edx)");
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TEST_LEA("(%%ecx, %%ecx, 2)");
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TEST_LEA("(%%edx, %%ecx, 4)");
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TEST_LEA("(%%esi, %%ecx, 8)");
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TEST_LEA("(,%%eax, 2)");
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TEST_LEA("(,%%ebx, 4)");
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TEST_LEA("(,%%ecx, 8)");
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TEST_LEA("0x40(,%%eax, 2)");
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TEST_LEA("0x40(,%%ebx, 4)");
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TEST_LEA("0x40(,%%ecx, 8)");
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TEST_LEA("-10(%%ecx, %%ecx, 2)");
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TEST_LEA("-10(%%edx, %%ecx, 4)");
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TEST_LEA("-10(%%esi, %%ecx, 8)");
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TEST_LEA("0x4000(%%ecx, %%ecx, 2)");
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TEST_LEA("0x4000(%%edx, %%ecx, 4)");
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TEST_LEA("0x4000(%%esi, %%ecx, 8)");
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#if defined(__x86_64__)
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TEST_LEAQ("0x4000");
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TEST_LEAQ("0x4000(%%rip)");
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TEST_LEAQ("(%%rax)");
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TEST_LEAQ("(%%rbx)");
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TEST_LEAQ("(%%rcx)");
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TEST_LEAQ("(%%rdx)");
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TEST_LEAQ("(%%rsi)");
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TEST_LEAQ("(%%rdi)");
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TEST_LEAQ("0x40(%%rax)");
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TEST_LEAQ("0x40(%%rbx)");
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TEST_LEAQ("0x40(%%rcx)");
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TEST_LEAQ("0x40(%%rdx)");
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TEST_LEAQ("0x40(%%rsi)");
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TEST_LEAQ("0x40(%%rdi)");
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TEST_LEAQ("0x4000(%%rax)");
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TEST_LEAQ("0x4000(%%rbx)");
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TEST_LEAQ("0x4000(%%rcx)");
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TEST_LEAQ("0x4000(%%rdx)");
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TEST_LEAQ("0x4000(%%rsi)");
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TEST_LEAQ("0x4000(%%rdi)");
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TEST_LEAQ("(%%rax, %%rcx)");
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TEST_LEAQ("(%%rbx, %%rdx)");
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TEST_LEAQ("(%%rcx, %%rcx)");
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TEST_LEAQ("(%%rdx, %%rcx)");
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TEST_LEAQ("(%%rsi, %%rcx)");
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TEST_LEAQ("(%%rdi, %%rcx)");
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TEST_LEAQ("0x40(%%rax, %%rcx)");
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TEST_LEAQ("0x4000(%%rbx, %%rdx)");
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TEST_LEAQ("(%%rcx, %%rcx, 2)");
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TEST_LEAQ("(%%rdx, %%rcx, 4)");
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TEST_LEAQ("(%%rsi, %%rcx, 8)");
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TEST_LEAQ("(,%%rax, 2)");
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TEST_LEAQ("(,%%rbx, 4)");
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TEST_LEAQ("(,%%rcx, 8)");
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TEST_LEAQ("0x40(,%%rax, 2)");
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TEST_LEAQ("0x40(,%%rbx, 4)");
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TEST_LEAQ("0x40(,%%rcx, 8)");
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TEST_LEAQ("-10(%%rcx, %%rcx, 2)");
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TEST_LEAQ("-10(%%rdx, %%rcx, 4)");
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TEST_LEAQ("-10(%%rsi, %%rcx, 8)");
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TEST_LEAQ("0x4000(%%rcx, %%rcx, 2)");
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TEST_LEAQ("0x4000(%%rdx, %%rcx, 4)");
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TEST_LEAQ("0x4000(%%rsi, %%rcx, 8)");
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#else
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/* limited 16 bit addressing test */
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TEST_LEA16("0x4000");
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TEST_LEA16("(%%bx)");
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TEST_LEA16("(%%si)");
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TEST_LEA16("(%%di)");
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TEST_LEA16("0x40(%%bx)");
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TEST_LEA16("0x40(%%si)");
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TEST_LEA16("0x40(%%di)");
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TEST_LEA16("0x4000(%%bx)");
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TEST_LEA16("0x4000(%%si)");
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TEST_LEA16("(%%bx,%%si)");
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TEST_LEA16("(%%bx,%%di)");
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TEST_LEA16("0x40(%%bx,%%si)");
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TEST_LEA16("0x40(%%bx,%%di)");
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TEST_LEA16("0x4000(%%bx,%%si)");
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TEST_LEA16("0x4000(%%bx,%%di)");
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#endif
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}
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#define TEST_JCC(JCC, v1, v2)\
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{\
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int res;\
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asm("movl $1, %0\n\t"\
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"cmpl %2, %1\n\t"\
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"j" JCC " 1f\n\t"\
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"movl $0, %0\n\t"\
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"1:\n\t"\
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: "=r" (res)\
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: "r" (v1), "r" (v2));\
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printf("%-10s %d\n", "j" JCC, res);\
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\
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asm("movl $0, %0\n\t"\
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"cmpl %2, %1\n\t"\
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"set" JCC " %b0\n\t"\
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: "=r" (res)\
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: "r" (v1), "r" (v2));\
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printf("%-10s %d\n", "set" JCC, res);\
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if (TEST_CMOV) {\
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long val = i2l(1);\
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long res = i2l(0x12345678);\
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X86_64_ONLY(\
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asm("cmpl %2, %1\n\t"\
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"cmov" JCC "q %3, %0\n\t"\
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: "=r" (res)\
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: "r" (v1), "r" (v2), "m" (val), "0" (res));\
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printf("%-10s R=" FMTLX "\n", "cmov" JCC "q", res);)\
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asm("cmpl %2, %1\n\t"\
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"cmov" JCC "l %k3, %k0\n\t"\
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: "=r" (res)\
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: "r" (v1), "r" (v2), "m" (val), "0" (res));\
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printf("%-10s R=" FMTLX "\n", "cmov" JCC "l", res);\
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asm("cmpl %2, %1\n\t"\
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"cmov" JCC "w %w3, %w0\n\t"\
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: "=r" (res)\
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: "r" (v1), "r" (v2), "r" (1), "0" (res));\
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printf("%-10s R=" FMTLX "\n", "cmov" JCC "w", res);\
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} \
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}
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/* various jump tests */
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void test_jcc(void)
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{
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TEST_JCC("ne", 1, 1);
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TEST_JCC("ne", 1, 0);
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TEST_JCC("e", 1, 1);
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TEST_JCC("e", 1, 0);
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TEST_JCC("l", 1, 1);
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TEST_JCC("l", 1, 0);
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TEST_JCC("l", 1, -1);
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TEST_JCC("le", 1, 1);
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TEST_JCC("le", 1, 0);
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TEST_JCC("le", 1, -1);
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TEST_JCC("ge", 1, 1);
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TEST_JCC("ge", 1, 0);
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TEST_JCC("ge", -1, 1);
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TEST_JCC("g", 1, 1);
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TEST_JCC("g", 1, 0);
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TEST_JCC("g", 1, -1);
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TEST_JCC("b", 1, 1);
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TEST_JCC("b", 1, 0);
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TEST_JCC("b", 1, -1);
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TEST_JCC("be", 1, 1);
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TEST_JCC("be", 1, 0);
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TEST_JCC("be", 1, -1);
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TEST_JCC("ae", 1, 1);
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TEST_JCC("ae", 1, 0);
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TEST_JCC("ae", 1, -1);
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TEST_JCC("a", 1, 1);
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TEST_JCC("a", 1, 0);
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TEST_JCC("a", 1, -1);
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TEST_JCC("p", 1, 1);
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TEST_JCC("p", 1, 0);
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TEST_JCC("np", 1, 1);
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TEST_JCC("np", 1, 0);
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TEST_JCC("o", 0x7fffffff, 0);
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TEST_JCC("o", 0x7fffffff, -1);
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TEST_JCC("no", 0x7fffffff, 0);
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TEST_JCC("no", 0x7fffffff, -1);
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TEST_JCC("s", 0, 1);
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TEST_JCC("s", 0, -1);
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TEST_JCC("s", 0, 0);
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TEST_JCC("ns", 0, 1);
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TEST_JCC("ns", 0, -1);
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TEST_JCC("ns", 0, 0);
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}
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#define TEST_LOOP(insn) \
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{\
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for(i = 0; i < sizeof(ecx_vals) / sizeof(long); i++) {\
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ecx = ecx_vals[i];\
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for(zf = 0; zf < 2; zf++) {\
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asm("test %2, %2\n\t"\
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"movl $1, %0\n\t"\
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insn " 1f\n\t" \
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"movl $0, %0\n\t"\
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"1:\n\t"\
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: "=a" (res)\
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: "c" (ecx), "b" (!zf)); \
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printf("%-10s ECX=" FMTLX " ZF=%ld r=%d\n", insn, ecx, zf, res); \
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}\
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}\
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}
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|
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void test_loop(void)
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{
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long ecx, zf;
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const long ecx_vals[] = {
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0,
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1,
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0x10000,
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0x10001,
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|
#if defined(__x86_64__)
|
|
0x100000000L,
|
|
0x100000001L,
|
|
#endif
|
|
};
|
|
int i, res;
|
|
|
|
#if !defined(__x86_64__)
|
|
TEST_LOOP("jcxz");
|
|
TEST_LOOP("loopw");
|
|
TEST_LOOP("loopzw");
|
|
TEST_LOOP("loopnzw");
|
|
#endif
|
|
|
|
TEST_LOOP("jecxz");
|
|
TEST_LOOP("loopl");
|
|
TEST_LOOP("loopzl");
|
|
TEST_LOOP("loopnzl");
|
|
}
|
|
|
|
#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(long op0, long op1)
|
|
{
|
|
long res, s1, s0, flags;
|
|
s0 = op0;
|
|
s1 = op1;
|
|
res = s0;
|
|
flags = 0;
|
|
asm volatile ("push %4\n\t"
|
|
"popf\n\t"
|
|
"imulw %w2, %w0\n\t"
|
|
"pushf\n\t"
|
|
"pop %1\n\t"
|
|
: "=q" (res), "=g" (flags)
|
|
: "q" (s1), "0" (res), "1" (flags));
|
|
printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n",
|
|
"imulw", s0, s1, res, flags & CC_MASK);
|
|
}
|
|
|
|
void test_imull2(long op0, long op1)
|
|
{
|
|
long res, s1, s0, flags;
|
|
s0 = op0;
|
|
s1 = op1;
|
|
res = s0;
|
|
flags = 0;
|
|
asm volatile ("push %4\n\t"
|
|
"popf\n\t"
|
|
"imull %k2, %k0\n\t"
|
|
"pushf\n\t"
|
|
"pop %1\n\t"
|
|
: "=q" (res), "=g" (flags)
|
|
: "q" (s1), "0" (res), "1" (flags));
|
|
printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n",
|
|
"imull", s0, s1, res, flags & CC_MASK);
|
|
}
|
|
|
|
#if defined(__x86_64__)
|
|
void test_imulq2(long op0, long op1)
|
|
{
|
|
long res, s1, s0, flags;
|
|
s0 = op0;
|
|
s1 = op1;
|
|
res = s0;
|
|
flags = 0;
|
|
asm volatile ("push %4\n\t"
|
|
"popf\n\t"
|
|
"imulq %2, %0\n\t"
|
|
"pushf\n\t"
|
|
"pop %1\n\t"
|
|
: "=q" (res), "=g" (flags)
|
|
: "q" (s1), "0" (res), "1" (flags));
|
|
printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n",
|
|
"imulq", s0, s1, res, flags & CC_MASK);
|
|
}
|
|
#endif
|
|
|
|
#define TEST_IMUL_IM(size, rsize, op0, op1)\
|
|
{\
|
|
long res, flags, s1;\
|
|
flags = 0;\
|
|
res = 0;\
|
|
s1 = op1;\
|
|
asm volatile ("push %3\n\t"\
|
|
"popf\n\t"\
|
|
"imul" size " $" #op0 ", %" rsize "2, %" rsize "0\n\t" \
|
|
"pushf\n\t"\
|
|
"pop %1\n\t"\
|
|
: "=r" (res), "=g" (flags)\
|
|
: "r" (s1), "1" (flags), "0" (res));\
|
|
printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n",\
|
|
"imul" size " im", (long)op0, (long)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, 0x1234001d, 45);
|
|
test_imulw(0, 23, -45);
|
|
test_imulw(0, 0x8000, 0x8000);
|
|
test_imulw(0, 0x100, 0x100);
|
|
|
|
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", "k", 45, 0x1234);
|
|
TEST_IMUL_IM("l", "k", -45, 23);
|
|
TEST_IMUL_IM("l", "k", 0x8000, 0x80000000);
|
|
TEST_IMUL_IM("l", "k", 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);
|
|
|
|
#if defined(__x86_64__)
|
|
test_imulq(0, 0x1234001d1234001d, 45);
|
|
test_imulq(0, 23, -45);
|
|
test_imulq(0, 0x8000000000000000, 0x8000000000000000);
|
|
test_imulq(0, 0x100000000, 0x100000000);
|
|
|
|
test_mulq(0, 0x1234001d1234001d, 45);
|
|
test_mulq(0, 23, -45);
|
|
test_mulq(0, 0x8000000000000000, 0x8000000000000000);
|
|
test_mulq(0, 0x100000000, 0x100000000);
|
|
|
|
test_imulq2(0x1234001d1234001d, 45);
|
|
test_imulq2(23, -45);
|
|
test_imulq2(0x8000000000000000, 0x8000000000000000);
|
|
test_imulq2(0x100000000, 0x100000000);
|
|
|
|
TEST_IMUL_IM("q", "", 45, 0x12341234);
|
|
TEST_IMUL_IM("q", "", -45, 23);
|
|
TEST_IMUL_IM("q", "", 0x8000, 0x8000000000000000);
|
|
TEST_IMUL_IM("q", "", 0x7fff, 0x10000000);
|
|
|
|
test_idivq(0, 0x12345678abcdef, 12347);
|
|
test_idivq(0, -233223, -45);
|
|
test_idivq(0, 0x8000000000000000, -1);
|
|
test_idivq(0x12343, 0x12345678, 0x81234567);
|
|
|
|
test_divq(0, 0x12345678abcdef, 12347);
|
|
test_divq(0, -233223, -45);
|
|
test_divq(0, 0x8000000000000000, -1);
|
|
test_divq(0x12343, 0x12345678, 0x81234567);
|
|
#endif
|
|
}
|
|
|
|
#define TEST_BSX(op, size, op0)\
|
|
{\
|
|
long res, val, resz;\
|
|
val = op0;\
|
|
asm("xor %1, %1\n"\
|
|
"mov $0x12345678, %0\n"\
|
|
#op " %" size "2, %" size "0 ; setz %b1" \
|
|
: "=&r" (res), "=&q" (resz)\
|
|
: "r" (val));\
|
|
printf("%-10s A=" FMTLX " R=" FMTLX " %ld\n", #op, val, res, resz);\
|
|
}
|
|
|
|
void test_bsx(void)
|
|
{
|
|
TEST_BSX(bsrw, "w", 0);
|
|
TEST_BSX(bsrw, "w", 0x12340128);
|
|
TEST_BSX(bsfw, "w", 0);
|
|
TEST_BSX(bsfw, "w", 0x12340128);
|
|
TEST_BSX(bsrl, "k", 0);
|
|
TEST_BSX(bsrl, "k", 0x00340128);
|
|
TEST_BSX(bsfl, "k", 0);
|
|
TEST_BSX(bsfl, "k", 0x00340128);
|
|
#if defined(__x86_64__)
|
|
TEST_BSX(bsrq, "", 0);
|
|
TEST_BSX(bsrq, "", 0x003401281234);
|
|
TEST_BSX(bsfq, "", 0);
|
|
TEST_BSX(bsfq, "", 0x003401281234);
|
|
#endif
|
|
}
|
|
|
|
/**********************************************/
|
|
|
|
union float64u {
|
|
double d;
|
|
uint64_t l;
|
|
};
|
|
|
|
union float64u q_nan = { .l = 0xFFF8000000000000LL };
|
|
union float64u s_nan = { .l = 0xFFF0000000000000LL };
|
|
|
|
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 fpu_clear_exceptions(void)
|
|
{
|
|
struct QEMU_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;
|
|
|
|
asm volatile ("fnstenv %0\n" : : "m" (float_env32));
|
|
float_env32.fpus &= ~0x7f;
|
|
asm volatile ("fldenv %0\n" : : "m" (float_env32));
|
|
}
|
|
|
|
/* XXX: display exception bits when supported */
|
|
#define FPUS_EMASK 0x0000
|
|
//#define FPUS_EMASK 0x007f
|
|
|
|
void test_fcmp(double a, double b)
|
|
{
|
|
long eflags, fpus;
|
|
|
|
fpu_clear_exceptions();
|
|
asm("fcom %2\n"
|
|
"fstsw %%ax\n"
|
|
: "=a" (fpus)
|
|
: "t" (a), "u" (b));
|
|
printf("fcom(%f %f)=%04lx\n",
|
|
a, b, fpus & (0x4500 | FPUS_EMASK));
|
|
fpu_clear_exceptions();
|
|
asm("fucom %2\n"
|
|
"fstsw %%ax\n"
|
|
: "=a" (fpus)
|
|
: "t" (a), "u" (b));
|
|
printf("fucom(%f %f)=%04lx\n",
|
|
a, b, fpus & (0x4500 | FPUS_EMASK));
|
|
if (TEST_FCOMI) {
|
|
/* test f(u)comi instruction */
|
|
fpu_clear_exceptions();
|
|
asm("fcomi %3, %2\n"
|
|
"fstsw %%ax\n"
|
|
"pushf\n"
|
|
"pop %0\n"
|
|
: "=r" (eflags), "=a" (fpus)
|
|
: "t" (a), "u" (b));
|
|
printf("fcomi(%f %f)=%04lx %02lx\n",
|
|
a, b, fpus & FPUS_EMASK, eflags & (CC_Z | CC_P | CC_C));
|
|
fpu_clear_exceptions();
|
|
asm("fucomi %3, %2\n"
|
|
"fstsw %%ax\n"
|
|
"pushf\n"
|
|
"pop %0\n"
|
|
: "=r" (eflags), "=a" (fpus)
|
|
: "t" (a), "u" (b));
|
|
printf("fucomi(%f %f)=%04lx %02lx\n",
|
|
a, b, fpus & FPUS_EMASK, eflags & (CC_Z | CC_P | CC_C));
|
|
}
|
|
fpu_clear_exceptions();
|
|
asm volatile("fxam\n"
|
|
"fstsw %%ax\n"
|
|
: "=a" (fpus)
|
|
: "t" (a));
|
|
printf("fxam(%f)=%04lx\n", a, fpus & 0x4700);
|
|
fpu_clear_exceptions();
|
|
}
|
|
|
|
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=" FMT64X "\n", *(uint64_t *)&a);
|
|
printf("la=" FMT64X " %04x\n", *(uint64_t *)&la,
|
|
*(unsigned short *)((char *)(&la) + 8));
|
|
|
|
/* test all roundings */
|
|
asm volatile ("fstcw %0" : "=m" (fpuc));
|
|
for(i=0;i<4;i++) {
|
|
uint16_t val16;
|
|
val16 = (fpuc & ~0x0c00) | (i << 10);
|
|
asm volatile ("fldcw %0" : : "m" (val16));
|
|
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 = " FMT64X "\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 volatile (save " %0\n" : : "m" (*(env)));\
|
|
asm volatile (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 QEMU_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 QEMU_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%04lx-> %f\n", \
|
|
CC, (long)eflags, res);\
|
|
}
|
|
|
|
void test_fcmov(void)
|
|
{
|
|
double a, b;
|
|
long 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_fcmp(2, q_nan.d);
|
|
test_fcmp(q_nan.d, -1);
|
|
test_fcmp(-1.0/0.0, -1);
|
|
test_fcmp(1.0/0.0, -1);
|
|
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_fcvt(-1.0/0.0);
|
|
test_fcvt(1.0/0.0);
|
|
test_fcvt(q_nan.d);
|
|
test_fconst();
|
|
test_fbcd(1234567890123456.0);
|
|
test_fbcd(-123451234567890.0);
|
|
test_fenv();
|
|
if (TEST_CMOV) {
|
|
test_fcmov();
|
|
}
|
|
}
|
|
|
|
/**********************************************/
|
|
#if !defined(__x86_64__)
|
|
|
|
#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"\
|
|
"pop %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
|
|
|
|
#define TEST_XCHG(op, size, opconst)\
|
|
{\
|
|
long op0, op1;\
|
|
op0 = i2l(0x12345678);\
|
|
op1 = i2l(0xfbca7654);\
|
|
asm(#op " %" size "0, %" size "1" \
|
|
: "=q" (op0), opconst (op1) \
|
|
: "0" (op0));\
|
|
printf("%-10s A=" FMTLX " B=" FMTLX "\n",\
|
|
#op, op0, op1);\
|
|
}
|
|
|
|
#define TEST_CMPXCHG(op, size, opconst, eax)\
|
|
{\
|
|
long op0, op1, op2;\
|
|
op0 = i2l(0x12345678);\
|
|
op1 = i2l(0xfbca7654);\
|
|
op2 = i2l(eax);\
|
|
asm(#op " %" size "0, %" size "1" \
|
|
: "=q" (op0), opconst (op1) \
|
|
: "0" (op0), "a" (op2));\
|
|
printf("%-10s EAX=" FMTLX " A=" FMTLX " C=" FMTLX "\n",\
|
|
#op, op2, op0, op1);\
|
|
}
|
|
|
|
void test_xchg(void)
|
|
{
|
|
#if defined(__x86_64__)
|
|
TEST_XCHG(xchgq, "", "+q");
|
|
#endif
|
|
TEST_XCHG(xchgl, "k", "+q");
|
|
TEST_XCHG(xchgw, "w", "+q");
|
|
TEST_XCHG(xchgb, "b", "+q");
|
|
|
|
#if defined(__x86_64__)
|
|
TEST_XCHG(xchgq, "", "=m");
|
|
#endif
|
|
TEST_XCHG(xchgl, "k", "+m");
|
|
TEST_XCHG(xchgw, "w", "+m");
|
|
TEST_XCHG(xchgb, "b", "+m");
|
|
|
|
#if defined(__x86_64__)
|
|
TEST_XCHG(xaddq, "", "+q");
|
|
#endif
|
|
TEST_XCHG(xaddl, "k", "+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);
|
|
}
|
|
|
|
#if defined(__x86_64__)
|
|
TEST_XCHG(xaddq, "", "+m");
|
|
#endif
|
|
TEST_XCHG(xaddl, "k", "+m");
|
|
TEST_XCHG(xaddw, "w", "+m");
|
|
TEST_XCHG(xaddb, "b", "+m");
|
|
|
|
#if defined(__x86_64__)
|
|
TEST_CMPXCHG(cmpxchgq, "", "+q", 0xfbca7654);
|
|
#endif
|
|
TEST_CMPXCHG(cmpxchgl, "k", "+q", 0xfbca7654);
|
|
TEST_CMPXCHG(cmpxchgw, "w", "+q", 0xfbca7654);
|
|
TEST_CMPXCHG(cmpxchgb, "b", "+q", 0xfbca7654);
|
|
|
|
#if defined(__x86_64__)
|
|
TEST_CMPXCHG(cmpxchgq, "", "+q", 0xfffefdfc);
|
|
#endif
|
|
TEST_CMPXCHG(cmpxchgl, "k", "+q", 0xfffefdfc);
|
|
TEST_CMPXCHG(cmpxchgw, "w", "+q", 0xfffefdfc);
|
|
TEST_CMPXCHG(cmpxchgb, "b", "+q", 0xfffefdfc);
|
|
|
|
#if defined(__x86_64__)
|
|
TEST_CMPXCHG(cmpxchgq, "", "+m", 0xfbca7654);
|
|
#endif
|
|
TEST_CMPXCHG(cmpxchgl, "k", "+m", 0xfbca7654);
|
|
TEST_CMPXCHG(cmpxchgw, "w", "+m", 0xfbca7654);
|
|
TEST_CMPXCHG(cmpxchgb, "b", "+m", 0xfbca7654);
|
|
|
|
#if defined(__x86_64__)
|
|
TEST_CMPXCHG(cmpxchgq, "", "+m", 0xfffefdfc);
|
|
#endif
|
|
TEST_CMPXCHG(cmpxchgl, "k", "+m", 0xfffefdfc);
|
|
TEST_CMPXCHG(cmpxchgw, "w", "+m", 0xfffefdfc);
|
|
TEST_CMPXCHG(cmpxchgb, "b", "+m", 0xfffefdfc);
|
|
|
|
{
|
|
uint64_t op0, op1, op2;
|
|
long eax, edx;
|
|
long i, eflags;
|
|
|
|
for(i = 0; i < 2; i++) {
|
|
op0 = 0x123456789abcdLL;
|
|
eax = i2l(op0 & 0xffffffff);
|
|
edx = i2l(op0 >> 32);
|
|
if (i == 0)
|
|
op1 = 0xfbca765423456LL;
|
|
else
|
|
op1 = op0;
|
|
op2 = 0x6532432432434LL;
|
|
asm("cmpxchg8b %2\n"
|
|
"pushf\n"
|
|
"pop %3\n"
|
|
: "=a" (eax), "=d" (edx), "=m" (op1), "=g" (eflags)
|
|
: "0" (eax), "1" (edx), "m" (op1), "b" ((int)op2), "c" ((int)(op2 >> 32)));
|
|
printf("cmpxchg8b: eax=" FMTLX " edx=" FMTLX " op1=" FMT64X " CC=%02lx\n",
|
|
eax, edx, op1, eflags & CC_Z);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef TEST_SEGS
|
|
/**********************************************/
|
|
/* segmentation tests */
|
|
|
|
#include <sys/syscall.h>
|
|
#include <unistd.h>
|
|
#include <asm/ldt.h>
|
|
#include <linux/version.h>
|
|
|
|
static inline int modify_ldt(int func, void * ptr, unsigned long bytecount)
|
|
{
|
|
return syscall(__NR_modify_ldt, func, ptr, bytecount);
|
|
}
|
|
|
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 66)
|
|
#define modify_ldt_ldt_s user_desc
|
|
#endif
|
|
|
|
#define MK_SEL(n) (((n) << 3) | 7)
|
|
|
|
uint8_t seg_data1[4096];
|
|
uint8_t seg_data2[4096];
|
|
|
|
#define TEST_LR(op, size, seg, mask)\
|
|
{\
|
|
int res, res2;\
|
|
uint16_t mseg = seg;\
|
|
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" (mseg), "0" (res));\
|
|
printf(op ": Z=%d %08x\n", res2, res & ~(mask));\
|
|
}
|
|
|
|
#define TEST_ARPL(op, size, op1, op2)\
|
|
{\
|
|
long a, b, c; \
|
|
a = (op1); \
|
|
b = (op2); \
|
|
asm volatile(op " %" size "3, %" size "0\n"\
|
|
"movl $0,%1\n"\
|
|
"jnz 1f\n"\
|
|
"movl $1,%1\n"\
|
|
"1:\n"\
|
|
: "=r" (a), "=r" (c) : "0" (a), "r" (b)); \
|
|
printf(op size " A=" FMTLX " B=" FMTLX " R=" FMTLX " z=%ld\n",\
|
|
(long)(op1), (long)(op2), a, c);\
|
|
}
|
|
|
|
/* 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;
|
|
} QEMU_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);
|
|
|
|
TEST_ARPL("arpl", "w", 0x12345678 | 3, 0x762123c | 1);
|
|
TEST_ARPL("arpl", "w", 0x12345678 | 1, 0x762123c | 3);
|
|
TEST_ARPL("arpl", "w", 0x12345678 | 1, 0x762123c | 1);
|
|
}
|
|
|
|
/* 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
|
|
|
|
#if defined(__x86_64__)
|
|
asm(".globl func_lret\n"
|
|
"func_lret:\n"
|
|
"movl $0x87654641, %eax\n"
|
|
"lretq\n");
|
|
#else
|
|
asm(".globl func_lret\n"
|
|
"func_lret:\n"
|
|
"movl $0x87654321, %eax\n"
|
|
"lret\n"
|
|
|
|
".globl func_iret\n"
|
|
"func_iret:\n"
|
|
"movl $0xabcd4321, %eax\n"
|
|
"iret\n");
|
|
#endif
|
|
|
|
extern char func_lret;
|
|
extern char func_iret;
|
|
|
|
void test_misc(void)
|
|
{
|
|
char table[256];
|
|
long res, i;
|
|
|
|
for(i=0;i<256;i++) table[i] = 256 - i;
|
|
res = 0x12345678;
|
|
asm ("xlat" : "=a" (res) : "b" (table), "0" (res));
|
|
printf("xlat: EAX=" FMTLX "\n", res);
|
|
|
|
#if defined(__x86_64__)
|
|
#if 0
|
|
{
|
|
/* XXX: see if Intel Core2 and AMD64 behavior really
|
|
differ. Here we implemented the Intel way which is not
|
|
compatible yet with QEMU. */
|
|
static struct QEMU_PACKED {
|
|
uint64_t offset;
|
|
uint16_t seg;
|
|
} desc;
|
|
long cs_sel;
|
|
|
|
asm volatile ("mov %%cs, %0" : "=r" (cs_sel));
|
|
|
|
asm volatile ("push %1\n"
|
|
"call func_lret\n"
|
|
: "=a" (res)
|
|
: "r" (cs_sel) : "memory", "cc");
|
|
printf("func_lret=" FMTLX "\n", res);
|
|
|
|
desc.offset = (long)&func_lret;
|
|
desc.seg = cs_sel;
|
|
|
|
asm volatile ("xor %%rax, %%rax\n"
|
|
"rex64 lcall *(%%rcx)\n"
|
|
: "=a" (res)
|
|
: "c" (&desc)
|
|
: "memory", "cc");
|
|
printf("func_lret2=" FMTLX "\n", res);
|
|
|
|
asm volatile ("push %2\n"
|
|
"mov $ 1f, %%rax\n"
|
|
"push %%rax\n"
|
|
"rex64 ljmp *(%%rcx)\n"
|
|
"1:\n"
|
|
: "=a" (res)
|
|
: "c" (&desc), "b" (cs_sel)
|
|
: "memory", "cc");
|
|
printf("func_lret3=" FMTLX "\n", res);
|
|
}
|
|
#endif
|
|
#else
|
|
asm volatile ("push %%cs ; call %1"
|
|
: "=a" (res)
|
|
: "m" (func_lret): "memory", "cc");
|
|
printf("func_lret=" FMTLX "\n", res);
|
|
|
|
asm volatile ("pushf ; push %%cs ; call %1"
|
|
: "=a" (res)
|
|
: "m" (func_iret): "memory", "cc");
|
|
printf("func_iret=" FMTLX "\n", res);
|
|
#endif
|
|
|
|
#if defined(__x86_64__)
|
|
/* specific popl test */
|
|
asm volatile ("push $12345432 ; push $0x9abcdef ; pop (%%rsp) ; pop %0"
|
|
: "=g" (res));
|
|
printf("popl esp=" FMTLX "\n", res);
|
|
#else
|
|
/* specific popl test */
|
|
asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popl (%%esp) ; popl %0"
|
|
: "=g" (res));
|
|
printf("popl esp=" FMTLX "\n", res);
|
|
|
|
/* specific popw test */
|
|
asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popw (%%esp) ; addl $2, %%esp ; popl %0"
|
|
: "=g" (res));
|
|
printf("popw esp=" FMTLX "\n", res);
|
|
#endif
|
|
}
|
|
|
|
uint8_t str_buffer[4096];
|
|
|
|
#define TEST_STRING1(OP, size, DF, REP)\
|
|
{\
|
|
long esi, edi, eax, ecx, eflags;\
|
|
\
|
|
esi = (long)(str_buffer + sizeof(str_buffer) / 2);\
|
|
edi = (long)(str_buffer + sizeof(str_buffer) / 2) + 16;\
|
|
eax = i2l(0x12345678);\
|
|
ecx = 17;\
|
|
\
|
|
asm volatile ("push $0\n\t"\
|
|
"popf\n\t"\
|
|
DF "\n\t"\
|
|
REP #OP size "\n\t"\
|
|
"cld\n\t"\
|
|
"pushf\n\t"\
|
|
"pop %4\n\t"\
|
|
: "=S" (esi), "=D" (edi), "=a" (eax), "=c" (ecx), "=g" (eflags)\
|
|
: "0" (esi), "1" (edi), "2" (eax), "3" (ecx));\
|
|
printf("%-10s ESI=" FMTLX " EDI=" FMTLX " EAX=" FMTLX " ECX=" FMTLX " EFL=%04x\n",\
|
|
REP #OP size, esi, edi, eax, ecx,\
|
|
(int)(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);\
|
|
X86_64_ONLY(TEST_STRING1(OP, "q", "", REP));\
|
|
TEST_STRING1(OP, "b", "std", REP);\
|
|
TEST_STRING1(OP, "w", "std", REP);\
|
|
TEST_STRING1(OP, "l", "std", REP);\
|
|
X86_64_ONLY(TEST_STRING1(OP, "q", "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 ");
|
|
TEST_STRING(lods, ""); /* to verify stos */
|
|
TEST_STRING(lods, "rep ");
|
|
TEST_STRING(movs, "");
|
|
TEST_STRING(movs, "rep ");
|
|
TEST_STRING(lods, ""); /* to verify stos */
|
|
|
|
/* XXX: better tests */
|
|
TEST_STRING(scas, "");
|
|
TEST_STRING(scas, "repz ");
|
|
TEST_STRING(scas, "repnz ");
|
|
TEST_STRING(cmps, "");
|
|
TEST_STRING(cmps, "repz ");
|
|
TEST_STRING(cmps, "repnz ");
|
|
}
|
|
|
|
#ifdef TEST_VM86
|
|
/* VM86 test */
|
|
|
|
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;
|
|
}
|
|
|
|
static inline int vm86(int func, struct vm86plus_struct *v86)
|
|
{
|
|
return syscall(__NR_vm86, func, 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 defined(__i386__) && !defined(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
|
|
|
|
#if defined(__x86_64__)
|
|
#define REG_EIP REG_RIP
|
|
#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=" FMTLX " err=" FMTLX,
|
|
(long)uc->uc_mcontext.gregs[REG_TRAPNO],
|
|
(long)uc->uc_mcontext.gregs[REG_ERR]);
|
|
printf(" EIP=" FMTLX, (long)uc->uc_mcontext.gregs[REG_EIP]);
|
|
printf("\n");
|
|
longjmp(jmp_env, 1);
|
|
}
|
|
|
|
void test_exceptions(void)
|
|
{
|
|
struct sigaction act;
|
|
volatile int val;
|
|
|
|
act.sa_sigaction = sig_handler;
|
|
sigemptyset(&act.sa_mask);
|
|
act.sa_flags = SA_SIGINFO | SA_NODEFER;
|
|
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;
|
|
}
|
|
|
|
#if !defined(__x86_64__)
|
|
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[0]));
|
|
}
|
|
#endif
|
|
|
|
#ifdef TEST_SEGS
|
|
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));
|
|
}
|
|
|
|
{
|
|
struct modify_ldt_ldt_s ldt;
|
|
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)));
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* 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");
|
|
}
|
|
|
|
#if !defined(__x86_64__)
|
|
printf("INTO exception:\n");
|
|
if (setjmp(jmp_env) == 0) {
|
|
/* overflow exception */
|
|
asm volatile ("addl $1, %0 ; into" : : "r" (0x7fffffff));
|
|
}
|
|
#endif
|
|
|
|
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);
|
|
}
|
|
|
|
#if !defined(__x86_64__)
|
|
/* specific precise single step test */
|
|
void sig_trap_handler(int sig, siginfo_t *info, void *puc)
|
|
{
|
|
struct ucontext *uc = puc;
|
|
printf("EIP=" FMTLX "\n", (long)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(".section \".data\"\n"
|
|
"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"
|
|
".previous\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));
|
|
}
|
|
}
|
|
#endif
|
|
|
|
long enter_stack[4096];
|
|
|
|
#if defined(__x86_64__)
|
|
#define RSP "%%rsp"
|
|
#define RBP "%%rbp"
|
|
#else
|
|
#define RSP "%%esp"
|
|
#define RBP "%%ebp"
|
|
#endif
|
|
|
|
#if !defined(__x86_64__)
|
|
/* causes an infinite loop, disable it for now. */
|
|
#define TEST_ENTER(size, stack_type, level)
|
|
#else
|
|
#define TEST_ENTER(size, stack_type, level)\
|
|
{\
|
|
long esp_save, esp_val, ebp_val, ebp_save, i;\
|
|
stack_type *ptr, *stack_end, *stack_ptr;\
|
|
memset(enter_stack, 0, sizeof(enter_stack));\
|
|
stack_end = stack_ptr = (stack_type *)(enter_stack + 4096);\
|
|
ebp_val = (long)stack_ptr;\
|
|
for(i=1;i<=32;i++)\
|
|
*--stack_ptr = i;\
|
|
esp_val = (long)stack_ptr;\
|
|
asm("mov " RSP ", %[esp_save]\n"\
|
|
"mov " RBP ", %[ebp_save]\n"\
|
|
"mov %[esp_val], " RSP "\n"\
|
|
"mov %[ebp_val], " RBP "\n"\
|
|
"enter" size " $8, $" #level "\n"\
|
|
"mov " RSP ", %[esp_val]\n"\
|
|
"mov " RBP ", %[ebp_val]\n"\
|
|
"mov %[esp_save], " RSP "\n"\
|
|
"mov %[ebp_save], " RBP "\n"\
|
|
: [esp_save] "=r" (esp_save),\
|
|
[ebp_save] "=r" (ebp_save),\
|
|
[esp_val] "=r" (esp_val),\
|
|
[ebp_val] "=r" (ebp_val)\
|
|
: "[esp_val]" (esp_val),\
|
|
"[ebp_val]" (ebp_val));\
|
|
printf("level=%d:\n", level);\
|
|
printf("esp_val=" FMTLX "\n", esp_val - (long)stack_end);\
|
|
printf("ebp_val=" FMTLX "\n", ebp_val - (long)stack_end);\
|
|
for(ptr = (stack_type *)esp_val; ptr < stack_end; ptr++)\
|
|
printf(FMTLX "\n", (long)ptr[0]);\
|
|
}
|
|
#endif
|
|
|
|
static void test_enter(void)
|
|
{
|
|
#if defined(__x86_64__)
|
|
TEST_ENTER("q", uint64_t, 0);
|
|
TEST_ENTER("q", uint64_t, 1);
|
|
TEST_ENTER("q", uint64_t, 2);
|
|
TEST_ENTER("q", uint64_t, 31);
|
|
#else
|
|
TEST_ENTER("l", uint32_t, 0);
|
|
TEST_ENTER("l", uint32_t, 1);
|
|
TEST_ENTER("l", uint32_t, 2);
|
|
TEST_ENTER("l", uint32_t, 31);
|
|
#endif
|
|
|
|
TEST_ENTER("w", uint16_t, 0);
|
|
TEST_ENTER("w", uint16_t, 1);
|
|
TEST_ENTER("w", uint16_t, 2);
|
|
TEST_ENTER("w", uint16_t, 31);
|
|
}
|
|
|
|
#ifdef TEST_SSE
|
|
|
|
typedef int __m64 __attribute__ ((__mode__ (__V2SI__)));
|
|
typedef float __m128 __attribute__ ((__mode__(__V4SF__)));
|
|
|
|
typedef union {
|
|
double d[2];
|
|
float s[4];
|
|
uint32_t l[4];
|
|
uint64_t q[2];
|
|
__m128 dq;
|
|
} XMMReg;
|
|
|
|
static uint64_t __attribute__((aligned(16))) test_values[4][2] = {
|
|
{ 0x456723c698694873, 0xdc515cff944a58ec },
|
|
{ 0x1f297ccd58bad7ab, 0x41f21efba9e3e146 },
|
|
{ 0x007c62c2085427f8, 0x231be9e8cde7438d },
|
|
{ 0x0f76255a085427f8, 0xc233e9e8c4c9439a },
|
|
};
|
|
|
|
#define SSE_OP(op)\
|
|
{\
|
|
asm volatile (#op " %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\
|
|
printf("%-9s: a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X " r=" FMT64X "" FMT64X "\n",\
|
|
#op,\
|
|
a.q[1], a.q[0],\
|
|
b.q[1], b.q[0],\
|
|
r.q[1], r.q[0]);\
|
|
}
|
|
|
|
#define SSE_OP2(op)\
|
|
{\
|
|
int i;\
|
|
for(i=0;i<2;i++) {\
|
|
a.q[0] = test_values[2*i][0];\
|
|
a.q[1] = test_values[2*i][1];\
|
|
b.q[0] = test_values[2*i+1][0];\
|
|
b.q[1] = test_values[2*i+1][1];\
|
|
SSE_OP(op);\
|
|
}\
|
|
}
|
|
|
|
#define MMX_OP2(op)\
|
|
{\
|
|
int i;\
|
|
for(i=0;i<2;i++) {\
|
|
a.q[0] = test_values[2*i][0];\
|
|
b.q[0] = test_values[2*i+1][0];\
|
|
asm volatile (#op " %2, %0" : "=y" (r.q[0]) : "0" (a.q[0]), "y" (b.q[0]));\
|
|
printf("%-9s: a=" FMT64X " b=" FMT64X " r=" FMT64X "\n",\
|
|
#op,\
|
|
a.q[0],\
|
|
b.q[0],\
|
|
r.q[0]);\
|
|
}\
|
|
SSE_OP2(op);\
|
|
}
|
|
|
|
#define SHUF_OP(op, ib)\
|
|
{\
|
|
a.q[0] = test_values[0][0];\
|
|
a.q[1] = test_values[0][1];\
|
|
b.q[0] = test_values[1][0];\
|
|
b.q[1] = test_values[1][1];\
|
|
asm volatile (#op " $" #ib ", %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\
|
|
printf("%-9s: a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X " ib=%02x r=" FMT64X "" FMT64X "\n",\
|
|
#op,\
|
|
a.q[1], a.q[0],\
|
|
b.q[1], b.q[0],\
|
|
ib,\
|
|
r.q[1], r.q[0]);\
|
|
}
|
|
|
|
#define PSHUF_OP(op, ib)\
|
|
{\
|
|
int i;\
|
|
for(i=0;i<2;i++) {\
|
|
a.q[0] = test_values[2*i][0];\
|
|
a.q[1] = test_values[2*i][1];\
|
|
asm volatile (#op " $" #ib ", %1, %0" : "=x" (r.dq) : "x" (a.dq));\
|
|
printf("%-9s: a=" FMT64X "" FMT64X " ib=%02x r=" FMT64X "" FMT64X "\n",\
|
|
#op,\
|
|
a.q[1], a.q[0],\
|
|
ib,\
|
|
r.q[1], r.q[0]);\
|
|
}\
|
|
}
|
|
|
|
#define SHIFT_IM(op, ib)\
|
|
{\
|
|
int i;\
|
|
for(i=0;i<2;i++) {\
|
|
a.q[0] = test_values[2*i][0];\
|
|
a.q[1] = test_values[2*i][1];\
|
|
asm volatile (#op " $" #ib ", %0" : "=x" (r.dq) : "0" (a.dq));\
|
|
printf("%-9s: a=" FMT64X "" FMT64X " ib=%02x r=" FMT64X "" FMT64X "\n",\
|
|
#op,\
|
|
a.q[1], a.q[0],\
|
|
ib,\
|
|
r.q[1], r.q[0]);\
|
|
}\
|
|
}
|
|
|
|
#define SHIFT_OP(op, ib)\
|
|
{\
|
|
int i;\
|
|
SHIFT_IM(op, ib);\
|
|
for(i=0;i<2;i++) {\
|
|
a.q[0] = test_values[2*i][0];\
|
|
a.q[1] = test_values[2*i][1];\
|
|
b.q[0] = ib;\
|
|
b.q[1] = 0;\
|
|
asm volatile (#op " %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\
|
|
printf("%-9s: a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X " r=" FMT64X "" FMT64X "\n",\
|
|
#op,\
|
|
a.q[1], a.q[0],\
|
|
b.q[1], b.q[0],\
|
|
r.q[1], r.q[0]);\
|
|
}\
|
|
}
|
|
|
|
#define MOVMSK(op)\
|
|
{\
|
|
int i, reg;\
|
|
for(i=0;i<2;i++) {\
|
|
a.q[0] = test_values[2*i][0];\
|
|
a.q[1] = test_values[2*i][1];\
|
|
asm volatile (#op " %1, %0" : "=r" (reg) : "x" (a.dq));\
|
|
printf("%-9s: a=" FMT64X "" FMT64X " r=%08x\n",\
|
|
#op,\
|
|
a.q[1], a.q[0],\
|
|
reg);\
|
|
}\
|
|
}
|
|
|
|
#define SSE_OPS(a) \
|
|
SSE_OP(a ## ps);\
|
|
SSE_OP(a ## ss);
|
|
|
|
#define SSE_OPD(a) \
|
|
SSE_OP(a ## pd);\
|
|
SSE_OP(a ## sd);
|
|
|
|
#define SSE_COMI(op, field)\
|
|
{\
|
|
unsigned int eflags;\
|
|
XMMReg a, b;\
|
|
a.field[0] = a1;\
|
|
b.field[0] = b1;\
|
|
asm volatile (#op " %2, %1\n"\
|
|
"pushf\n"\
|
|
"pop %0\n"\
|
|
: "=m" (eflags)\
|
|
: "x" (a.dq), "x" (b.dq));\
|
|
printf("%-9s: a=%f b=%f cc=%04x\n",\
|
|
#op, a1, b1,\
|
|
eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));\
|
|
}
|
|
|
|
void test_sse_comi(double a1, double b1)
|
|
{
|
|
SSE_COMI(ucomiss, s);
|
|
SSE_COMI(ucomisd, d);
|
|
SSE_COMI(comiss, s);
|
|
SSE_COMI(comisd, d);
|
|
}
|
|
|
|
#define CVT_OP_XMM(op)\
|
|
{\
|
|
asm volatile (#op " %1, %0" : "=x" (r.dq) : "x" (a.dq));\
|
|
printf("%-9s: a=" FMT64X "" FMT64X " r=" FMT64X "" FMT64X "\n",\
|
|
#op,\
|
|
a.q[1], a.q[0],\
|
|
r.q[1], r.q[0]);\
|
|
}
|
|
|
|
/* Force %xmm0 usage to avoid the case where both register index are 0
|
|
to test instruction decoding more extensively */
|
|
#define CVT_OP_XMM2MMX(op)\
|
|
{\
|
|
asm volatile (#op " %1, %0" : "=y" (r.q[0]) : "x" (a.dq) \
|
|
: "%xmm0"); \
|
|
asm volatile("emms\n"); \
|
|
printf("%-9s: a=" FMT64X "" FMT64X " r=" FMT64X "\n",\
|
|
#op,\
|
|
a.q[1], a.q[0],\
|
|
r.q[0]);\
|
|
}
|
|
|
|
#define CVT_OP_MMX2XMM(op)\
|
|
{\
|
|
asm volatile (#op " %1, %0" : "=x" (r.dq) : "y" (a.q[0]));\
|
|
asm volatile("emms\n"); \
|
|
printf("%-9s: a=" FMT64X " r=" FMT64X "" FMT64X "\n",\
|
|
#op,\
|
|
a.q[0],\
|
|
r.q[1], r.q[0]);\
|
|
}
|
|
|
|
#define CVT_OP_REG2XMM(op)\
|
|
{\
|
|
asm volatile (#op " %1, %0" : "=x" (r.dq) : "r" (a.l[0]));\
|
|
printf("%-9s: a=%08x r=" FMT64X "" FMT64X "\n",\
|
|
#op,\
|
|
a.l[0],\
|
|
r.q[1], r.q[0]);\
|
|
}
|
|
|
|
#define CVT_OP_XMM2REG(op)\
|
|
{\
|
|
asm volatile (#op " %1, %0" : "=r" (r.l[0]) : "x" (a.dq));\
|
|
printf("%-9s: a=" FMT64X "" FMT64X " r=%08x\n",\
|
|
#op,\
|
|
a.q[1], a.q[0],\
|
|
r.l[0]);\
|
|
}
|
|
|
|
struct fpxstate {
|
|
uint16_t fpuc;
|
|
uint16_t fpus;
|
|
uint16_t fptag;
|
|
uint16_t fop;
|
|
uint32_t fpuip;
|
|
uint16_t cs_sel;
|
|
uint16_t dummy0;
|
|
uint32_t fpudp;
|
|
uint16_t ds_sel;
|
|
uint16_t dummy1;
|
|
uint32_t mxcsr;
|
|
uint32_t mxcsr_mask;
|
|
uint8_t fpregs1[8 * 16];
|
|
uint8_t xmm_regs[8 * 16];
|
|
uint8_t dummy2[224];
|
|
};
|
|
|
|
static struct fpxstate fpx_state __attribute__((aligned(16)));
|
|
static struct fpxstate fpx_state2 __attribute__((aligned(16)));
|
|
|
|
void test_fxsave(void)
|
|
{
|
|
struct fpxstate *fp = &fpx_state;
|
|
struct fpxstate *fp2 = &fpx_state2;
|
|
int i, nb_xmm;
|
|
XMMReg a, b;
|
|
a.q[0] = test_values[0][0];
|
|
a.q[1] = test_values[0][1];
|
|
b.q[0] = test_values[1][0];
|
|
b.q[1] = test_values[1][1];
|
|
|
|
asm("movdqa %2, %%xmm0\n"
|
|
"movdqa %3, %%xmm7\n"
|
|
#if defined(__x86_64__)
|
|
"movdqa %2, %%xmm15\n"
|
|
#endif
|
|
" fld1\n"
|
|
" fldpi\n"
|
|
" fldln2\n"
|
|
" fxsave %0\n"
|
|
" fxrstor %0\n"
|
|
" fxsave %1\n"
|
|
" fninit\n"
|
|
: "=m" (*(uint32_t *)fp2), "=m" (*(uint32_t *)fp)
|
|
: "m" (a), "m" (b));
|
|
printf("fpuc=%04x\n", fp->fpuc);
|
|
printf("fpus=%04x\n", fp->fpus);
|
|
printf("fptag=%04x\n", fp->fptag);
|
|
for(i = 0; i < 3; i++) {
|
|
printf("ST%d: " FMT64X " %04x\n",
|
|
i,
|
|
*(uint64_t *)&fp->fpregs1[i * 16],
|
|
*(uint16_t *)&fp->fpregs1[i * 16 + 8]);
|
|
}
|
|
printf("mxcsr=%08x\n", fp->mxcsr & 0x1f80);
|
|
#if defined(__x86_64__)
|
|
nb_xmm = 16;
|
|
#else
|
|
nb_xmm = 8;
|
|
#endif
|
|
for(i = 0; i < nb_xmm; i++) {
|
|
printf("xmm%d: " FMT64X "" FMT64X "\n",
|
|
i,
|
|
*(uint64_t *)&fp->xmm_regs[i * 16],
|
|
*(uint64_t *)&fp->xmm_regs[i * 16 + 8]);
|
|
}
|
|
}
|
|
|
|
void test_sse(void)
|
|
{
|
|
XMMReg r, a, b;
|
|
int i;
|
|
|
|
MMX_OP2(punpcklbw);
|
|
MMX_OP2(punpcklwd);
|
|
MMX_OP2(punpckldq);
|
|
MMX_OP2(packsswb);
|
|
MMX_OP2(pcmpgtb);
|
|
MMX_OP2(pcmpgtw);
|
|
MMX_OP2(pcmpgtd);
|
|
MMX_OP2(packuswb);
|
|
MMX_OP2(punpckhbw);
|
|
MMX_OP2(punpckhwd);
|
|
MMX_OP2(punpckhdq);
|
|
MMX_OP2(packssdw);
|
|
MMX_OP2(pcmpeqb);
|
|
MMX_OP2(pcmpeqw);
|
|
MMX_OP2(pcmpeqd);
|
|
|
|
MMX_OP2(paddq);
|
|
MMX_OP2(pmullw);
|
|
MMX_OP2(psubusb);
|
|
MMX_OP2(psubusw);
|
|
MMX_OP2(pminub);
|
|
MMX_OP2(pand);
|
|
MMX_OP2(paddusb);
|
|
MMX_OP2(paddusw);
|
|
MMX_OP2(pmaxub);
|
|
MMX_OP2(pandn);
|
|
|
|
MMX_OP2(pmulhuw);
|
|
MMX_OP2(pmulhw);
|
|
|
|
MMX_OP2(psubsb);
|
|
MMX_OP2(psubsw);
|
|
MMX_OP2(pminsw);
|
|
MMX_OP2(por);
|
|
MMX_OP2(paddsb);
|
|
MMX_OP2(paddsw);
|
|
MMX_OP2(pmaxsw);
|
|
MMX_OP2(pxor);
|
|
MMX_OP2(pmuludq);
|
|
MMX_OP2(pmaddwd);
|
|
MMX_OP2(psadbw);
|
|
MMX_OP2(psubb);
|
|
MMX_OP2(psubw);
|
|
MMX_OP2(psubd);
|
|
MMX_OP2(psubq);
|
|
MMX_OP2(paddb);
|
|
MMX_OP2(paddw);
|
|
MMX_OP2(paddd);
|
|
|
|
MMX_OP2(pavgb);
|
|
MMX_OP2(pavgw);
|
|
|
|
asm volatile ("pinsrw $1, %1, %0" : "=y" (r.q[0]) : "r" (0x12345678));
|
|
printf("%-9s: r=" FMT64X "\n", "pinsrw", r.q[0]);
|
|
|
|
asm volatile ("pinsrw $5, %1, %0" : "=x" (r.dq) : "r" (0x12345678));
|
|
printf("%-9s: r=" FMT64X "" FMT64X "\n", "pinsrw", r.q[1], r.q[0]);
|
|
|
|
a.q[0] = test_values[0][0];
|
|
a.q[1] = test_values[0][1];
|
|
asm volatile ("pextrw $1, %1, %0" : "=r" (r.l[0]) : "y" (a.q[0]));
|
|
printf("%-9s: r=%08x\n", "pextrw", r.l[0]);
|
|
|
|
asm volatile ("pextrw $5, %1, %0" : "=r" (r.l[0]) : "x" (a.dq));
|
|
printf("%-9s: r=%08x\n", "pextrw", r.l[0]);
|
|
|
|
asm volatile ("pmovmskb %1, %0" : "=r" (r.l[0]) : "y" (a.q[0]));
|
|
printf("%-9s: r=%08x\n", "pmovmskb", r.l[0]);
|
|
|
|
asm volatile ("pmovmskb %1, %0" : "=r" (r.l[0]) : "x" (a.dq));
|
|
printf("%-9s: r=%08x\n", "pmovmskb", r.l[0]);
|
|
|
|
{
|
|
r.q[0] = -1;
|
|
r.q[1] = -1;
|
|
|
|
a.q[0] = test_values[0][0];
|
|
a.q[1] = test_values[0][1];
|
|
b.q[0] = test_values[1][0];
|
|
b.q[1] = test_values[1][1];
|
|
asm volatile("maskmovq %1, %0" :
|
|
: "y" (a.q[0]), "y" (b.q[0]), "D" (&r)
|
|
: "memory");
|
|
printf("%-9s: r=" FMT64X " a=" FMT64X " b=" FMT64X "\n",
|
|
"maskmov",
|
|
r.q[0],
|
|
a.q[0],
|
|
b.q[0]);
|
|
asm volatile("maskmovdqu %1, %0" :
|
|
: "x" (a.dq), "x" (b.dq), "D" (&r)
|
|
: "memory");
|
|
printf("%-9s: r=" FMT64X "" FMT64X " a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X "\n",
|
|
"maskmov",
|
|
r.q[1], r.q[0],
|
|
a.q[1], a.q[0],
|
|
b.q[1], b.q[0]);
|
|
}
|
|
|
|
asm volatile ("emms");
|
|
|
|
SSE_OP2(punpcklqdq);
|
|
SSE_OP2(punpckhqdq);
|
|
SSE_OP2(andps);
|
|
SSE_OP2(andpd);
|
|
SSE_OP2(andnps);
|
|
SSE_OP2(andnpd);
|
|
SSE_OP2(orps);
|
|
SSE_OP2(orpd);
|
|
SSE_OP2(xorps);
|
|
SSE_OP2(xorpd);
|
|
|
|
SSE_OP2(unpcklps);
|
|
SSE_OP2(unpcklpd);
|
|
SSE_OP2(unpckhps);
|
|
SSE_OP2(unpckhpd);
|
|
|
|
SHUF_OP(shufps, 0x78);
|
|
SHUF_OP(shufpd, 0x02);
|
|
|
|
PSHUF_OP(pshufd, 0x78);
|
|
PSHUF_OP(pshuflw, 0x78);
|
|
PSHUF_OP(pshufhw, 0x78);
|
|
|
|
SHIFT_OP(psrlw, 7);
|
|
SHIFT_OP(psrlw, 16);
|
|
SHIFT_OP(psraw, 7);
|
|
SHIFT_OP(psraw, 16);
|
|
SHIFT_OP(psllw, 7);
|
|
SHIFT_OP(psllw, 16);
|
|
|
|
SHIFT_OP(psrld, 7);
|
|
SHIFT_OP(psrld, 32);
|
|
SHIFT_OP(psrad, 7);
|
|
SHIFT_OP(psrad, 32);
|
|
SHIFT_OP(pslld, 7);
|
|
SHIFT_OP(pslld, 32);
|
|
|
|
SHIFT_OP(psrlq, 7);
|
|
SHIFT_OP(psrlq, 32);
|
|
SHIFT_OP(psllq, 7);
|
|
SHIFT_OP(psllq, 32);
|
|
|
|
SHIFT_IM(psrldq, 16);
|
|
SHIFT_IM(psrldq, 7);
|
|
SHIFT_IM(pslldq, 16);
|
|
SHIFT_IM(pslldq, 7);
|
|
|
|
MOVMSK(movmskps);
|
|
MOVMSK(movmskpd);
|
|
|
|
/* FPU specific ops */
|
|
|
|
{
|
|
uint32_t mxcsr;
|
|
asm volatile("stmxcsr %0" : "=m" (mxcsr));
|
|
printf("mxcsr=%08x\n", mxcsr & 0x1f80);
|
|
asm volatile("ldmxcsr %0" : : "m" (mxcsr));
|
|
}
|
|
|
|
test_sse_comi(2, -1);
|
|
test_sse_comi(2, 2);
|
|
test_sse_comi(2, 3);
|
|
test_sse_comi(2, q_nan.d);
|
|
test_sse_comi(q_nan.d, -1);
|
|
|
|
for(i = 0; i < 2; i++) {
|
|
a.s[0] = 2.7;
|
|
a.s[1] = 3.4;
|
|
a.s[2] = 4;
|
|
a.s[3] = -6.3;
|
|
b.s[0] = 45.7;
|
|
b.s[1] = 353.4;
|
|
b.s[2] = 4;
|
|
b.s[3] = 56.3;
|
|
if (i == 1) {
|
|
a.s[0] = q_nan.d;
|
|
b.s[3] = q_nan.d;
|
|
}
|
|
|
|
SSE_OPS(add);
|
|
SSE_OPS(mul);
|
|
SSE_OPS(sub);
|
|
SSE_OPS(min);
|
|
SSE_OPS(div);
|
|
SSE_OPS(max);
|
|
SSE_OPS(sqrt);
|
|
SSE_OPS(cmpeq);
|
|
SSE_OPS(cmplt);
|
|
SSE_OPS(cmple);
|
|
SSE_OPS(cmpunord);
|
|
SSE_OPS(cmpneq);
|
|
SSE_OPS(cmpnlt);
|
|
SSE_OPS(cmpnle);
|
|
SSE_OPS(cmpord);
|
|
|
|
|
|
a.d[0] = 2.7;
|
|
a.d[1] = -3.4;
|
|
b.d[0] = 45.7;
|
|
b.d[1] = -53.4;
|
|
if (i == 1) {
|
|
a.d[0] = q_nan.d;
|
|
b.d[1] = q_nan.d;
|
|
}
|
|
SSE_OPD(add);
|
|
SSE_OPD(mul);
|
|
SSE_OPD(sub);
|
|
SSE_OPD(min);
|
|
SSE_OPD(div);
|
|
SSE_OPD(max);
|
|
SSE_OPD(sqrt);
|
|
SSE_OPD(cmpeq);
|
|
SSE_OPD(cmplt);
|
|
SSE_OPD(cmple);
|
|
SSE_OPD(cmpunord);
|
|
SSE_OPD(cmpneq);
|
|
SSE_OPD(cmpnlt);
|
|
SSE_OPD(cmpnle);
|
|
SSE_OPD(cmpord);
|
|
}
|
|
|
|
/* float to float/int */
|
|
a.s[0] = 2.7;
|
|
a.s[1] = 3.4;
|
|
a.s[2] = 4;
|
|
a.s[3] = -6.3;
|
|
CVT_OP_XMM(cvtps2pd);
|
|
CVT_OP_XMM(cvtss2sd);
|
|
CVT_OP_XMM2MMX(cvtps2pi);
|
|
CVT_OP_XMM2MMX(cvttps2pi);
|
|
CVT_OP_XMM2REG(cvtss2si);
|
|
CVT_OP_XMM2REG(cvttss2si);
|
|
CVT_OP_XMM(cvtps2dq);
|
|
CVT_OP_XMM(cvttps2dq);
|
|
|
|
a.d[0] = 2.6;
|
|
a.d[1] = -3.4;
|
|
CVT_OP_XMM(cvtpd2ps);
|
|
CVT_OP_XMM(cvtsd2ss);
|
|
CVT_OP_XMM2MMX(cvtpd2pi);
|
|
CVT_OP_XMM2MMX(cvttpd2pi);
|
|
CVT_OP_XMM2REG(cvtsd2si);
|
|
CVT_OP_XMM2REG(cvttsd2si);
|
|
CVT_OP_XMM(cvtpd2dq);
|
|
CVT_OP_XMM(cvttpd2dq);
|
|
|
|
/* sse/mmx moves */
|
|
CVT_OP_XMM2MMX(movdq2q);
|
|
CVT_OP_MMX2XMM(movq2dq);
|
|
|
|
/* int to float */
|
|
a.l[0] = -6;
|
|
a.l[1] = 2;
|
|
a.l[2] = 100;
|
|
a.l[3] = -60000;
|
|
CVT_OP_MMX2XMM(cvtpi2ps);
|
|
CVT_OP_MMX2XMM(cvtpi2pd);
|
|
CVT_OP_REG2XMM(cvtsi2ss);
|
|
CVT_OP_REG2XMM(cvtsi2sd);
|
|
CVT_OP_XMM(cvtdq2ps);
|
|
CVT_OP_XMM(cvtdq2pd);
|
|
|
|
/* XXX: test PNI insns */
|
|
#if 0
|
|
SSE_OP2(movshdup);
|
|
#endif
|
|
asm volatile ("emms");
|
|
}
|
|
|
|
#endif
|
|
|
|
#define TEST_CONV_RAX(op)\
|
|
{\
|
|
unsigned long a, r;\
|
|
a = i2l(0x8234a6f8);\
|
|
r = a;\
|
|
asm volatile(#op : "=a" (r) : "0" (r));\
|
|
printf("%-10s A=" FMTLX " R=" FMTLX "\n", #op, a, r);\
|
|
}
|
|
|
|
#define TEST_CONV_RAX_RDX(op)\
|
|
{\
|
|
unsigned long a, d, r, rh; \
|
|
a = i2l(0x8234a6f8);\
|
|
d = i2l(0x8345a1f2);\
|
|
r = a;\
|
|
rh = d;\
|
|
asm volatile(#op : "=a" (r), "=d" (rh) : "0" (r), "1" (rh)); \
|
|
printf("%-10s A=" FMTLX " R=" FMTLX ":" FMTLX "\n", #op, a, r, rh); \
|
|
}
|
|
|
|
void test_conv(void)
|
|
{
|
|
TEST_CONV_RAX(cbw);
|
|
TEST_CONV_RAX(cwde);
|
|
#if defined(__x86_64__)
|
|
TEST_CONV_RAX(cdqe);
|
|
#endif
|
|
|
|
TEST_CONV_RAX_RDX(cwd);
|
|
TEST_CONV_RAX_RDX(cdq);
|
|
#if defined(__x86_64__)
|
|
TEST_CONV_RAX_RDX(cqo);
|
|
#endif
|
|
|
|
{
|
|
unsigned long a, r;
|
|
a = i2l(0x12345678);
|
|
asm volatile("bswapl %k0" : "=r" (r) : "0" (a));
|
|
printf("%-10s: A=" FMTLX " R=" FMTLX "\n", "bswapl", a, r);
|
|
}
|
|
#if defined(__x86_64__)
|
|
{
|
|
unsigned long a, r;
|
|
a = i2l(0x12345678);
|
|
asm volatile("bswapq %0" : "=r" (r) : "0" (a));
|
|
printf("%-10s: A=" FMTLX " R=" FMTLX "\n", "bswapq", a, r);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
extern void *__start_initcall;
|
|
extern void *__stop_initcall;
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
void **ptr;
|
|
void (*func)(void);
|
|
|
|
ptr = &__start_initcall;
|
|
while (ptr != &__stop_initcall) {
|
|
func = *ptr++;
|
|
func();
|
|
}
|
|
test_bsx();
|
|
test_mul();
|
|
test_jcc();
|
|
test_loop();
|
|
test_floats();
|
|
#if !defined(__x86_64__)
|
|
test_bcd();
|
|
#endif
|
|
test_xchg();
|
|
test_string();
|
|
test_misc();
|
|
test_lea();
|
|
#ifdef TEST_SEGS
|
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test_segs();
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test_code16();
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#endif
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#ifdef TEST_VM86
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test_vm86();
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|
#endif
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|
#if !defined(__x86_64__)
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test_exceptions();
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|
test_self_modifying_code();
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test_single_step();
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|
#endif
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|
test_enter();
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|
test_conv();
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|
#ifdef TEST_SSE
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test_sse();
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|
test_fxsave();
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|
#endif
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return 0;
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}
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