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/*
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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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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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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#if defined(__x86_64__)
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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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//#define TEST_SSE
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#define TEST_CMOV 0 |
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#define TEST_FCOMI 0 |
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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 "%016llx" |
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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"\ |
363 |
"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);\ |
368 |
\ |
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asm("movl $0, %0\n\t"\ |
370 |
"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);\ |
375 |
if (TEST_CMOV) {\
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long val = i2l(1);\ |
377 |
long res = i2l(0x12345678);\ |
378 |
X86_64_ONLY(\ |
379 |
asm("cmpl %2, %1\n\t"\ |
380 |
"cmov" JCC "q %3, %0\n\t"\ |
381 |
: "=r" (res)\
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: "r" (v1), "r" (v2), "m" (val), "0" (res));\ |
383 |
printf("%-10s R=" FMTLX "\n", "cmov" JCC "q", res);)\ |
384 |
asm("cmpl %2, %1\n\t"\ |
385 |
"cmov" JCC "l %k3, %k0\n\t"\ |
386 |
: "=r" (res)\
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387 |
: "r" (v1), "r" (v2), "m" (val), "0" (res));\ |
388 |
printf("%-10s R=" FMTLX "\n", "cmov" JCC "l", res);\ |
389 |
asm("cmpl %2, %1\n\t"\ |
390 |
"cmov" JCC "w %w3, %w0\n\t"\ |
391 |
: "=r" (res)\
|
392 |
: "r" (v1), "r" (v2), "r" (1), "0" (res));\ |
393 |
printf("%-10s R=" FMTLX "\n", "cmov" JCC "w", res);\ |
394 |
} \ |
395 |
} |
396 |
|
397 |
/* various jump tests */
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void test_jcc(void) |
399 |
{ |
400 |
TEST_JCC("ne", 1, 1); |
401 |
TEST_JCC("ne", 1, 0); |
402 |
|
403 |
TEST_JCC("e", 1, 1); |
404 |
TEST_JCC("e", 1, 0); |
405 |
|
406 |
TEST_JCC("l", 1, 1); |
407 |
TEST_JCC("l", 1, 0); |
408 |
TEST_JCC("l", 1, -1); |
409 |
|
410 |
TEST_JCC("le", 1, 1); |
411 |
TEST_JCC("le", 1, 0); |
412 |
TEST_JCC("le", 1, -1); |
413 |
|
414 |
TEST_JCC("ge", 1, 1); |
415 |
TEST_JCC("ge", 1, 0); |
416 |
TEST_JCC("ge", -1, 1); |
417 |
|
418 |
TEST_JCC("g", 1, 1); |
419 |
TEST_JCC("g", 1, 0); |
420 |
TEST_JCC("g", 1, -1); |
421 |
|
422 |
TEST_JCC("b", 1, 1); |
423 |
TEST_JCC("b", 1, 0); |
424 |
TEST_JCC("b", 1, -1); |
425 |
|
426 |
TEST_JCC("be", 1, 1); |
427 |
TEST_JCC("be", 1, 0); |
428 |
TEST_JCC("be", 1, -1); |
429 |
|
430 |
TEST_JCC("ae", 1, 1); |
431 |
TEST_JCC("ae", 1, 0); |
432 |
TEST_JCC("ae", 1, -1); |
433 |
|
434 |
TEST_JCC("a", 1, 1); |
435 |
TEST_JCC("a", 1, 0); |
436 |
TEST_JCC("a", 1, -1); |
437 |
|
438 |
|
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TEST_JCC("p", 1, 1); |
440 |
TEST_JCC("p", 1, 0); |
441 |
|
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TEST_JCC("np", 1, 1); |
443 |
TEST_JCC("np", 1, 0); |
444 |
|
445 |
TEST_JCC("o", 0x7fffffff, 0); |
446 |
TEST_JCC("o", 0x7fffffff, -1); |
447 |
|
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TEST_JCC("no", 0x7fffffff, 0); |
449 |
TEST_JCC("no", 0x7fffffff, -1); |
450 |
|
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TEST_JCC("s", 0, 1); |
452 |
TEST_JCC("s", 0, -1); |
453 |
TEST_JCC("s", 0, 0); |
454 |
|
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TEST_JCC("ns", 0, 1); |
456 |
TEST_JCC("ns", 0, -1); |
457 |
TEST_JCC("ns", 0, 0); |
458 |
} |
459 |
|
460 |
#undef CC_MASK
|
461 |
#ifdef TEST_P4_FLAGS
|
462 |
#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)
|
463 |
#else
|
464 |
#define CC_MASK (CC_O | CC_C)
|
465 |
#endif
|
466 |
|
467 |
#define OP mul
|
468 |
#include "test-i386-muldiv.h" |
469 |
|
470 |
#define OP imul
|
471 |
#include "test-i386-muldiv.h" |
472 |
|
473 |
void test_imulw2(long op0, long op1) |
474 |
{ |
475 |
long res, s1, s0, flags;
|
476 |
s0 = op0; |
477 |
s1 = op1; |
478 |
res = s0; |
479 |
flags = 0;
|
480 |
asm volatile ("push %4\n\t" |
481 |
"popf\n\t"
|
482 |
"imulw %w2, %w0\n\t"
|
483 |
"pushf\n\t"
|
484 |
"pop %1\n\t"
|
485 |
: "=q" (res), "=g" (flags) |
486 |
: "q" (s1), "0" (res), "1" (flags)); |
487 |
printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n", |
488 |
"imulw", s0, s1, res, flags & CC_MASK);
|
489 |
} |
490 |
|
491 |
void test_imull2(long op0, long op1) |
492 |
{ |
493 |
long res, s1, s0, flags;
|
494 |
s0 = op0; |
495 |
s1 = op1; |
496 |
res = s0; |
497 |
flags = 0;
|
498 |
asm volatile ("push %4\n\t" |
499 |
"popf\n\t"
|
500 |
"imull %k2, %k0\n\t"
|
501 |
"pushf\n\t"
|
502 |
"pop %1\n\t"
|
503 |
: "=q" (res), "=g" (flags) |
504 |
: "q" (s1), "0" (res), "1" (flags)); |
505 |
printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n", |
506 |
"imull", s0, s1, res, flags & CC_MASK);
|
507 |
} |
508 |
|
509 |
#if defined(__x86_64__)
|
510 |
void test_imulq2(long op0, long op1) |
511 |
{ |
512 |
long res, s1, s0, flags;
|
513 |
s0 = op0; |
514 |
s1 = op1; |
515 |
res = s0; |
516 |
flags = 0;
|
517 |
asm volatile ("push %4\n\t" |
518 |
"popf\n\t"
|
519 |
"imulq %2, %0\n\t"
|
520 |
"pushf\n\t"
|
521 |
"pop %1\n\t"
|
522 |
: "=q" (res), "=g" (flags) |
523 |
: "q" (s1), "0" (res), "1" (flags)); |
524 |
printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n", |
525 |
"imulq", s0, s1, res, flags & CC_MASK);
|
526 |
} |
527 |
#endif
|
528 |
|
529 |
#define TEST_IMUL_IM(size, rsize, op0, op1)\
|
530 |
{\ |
531 |
long res, flags, s1;\
|
532 |
flags = 0;\
|
533 |
res = 0;\
|
534 |
s1 = op1;\ |
535 |
asm volatile ("push %3\n\t"\ |
536 |
"popf\n\t"\
|
537 |
"imul" size " $" #op0 ", %" rsize "2, %" rsize "0\n\t" \ |
538 |
"pushf\n\t"\
|
539 |
"pop %1\n\t"\
|
540 |
: "=r" (res), "=g" (flags)\ |
541 |
: "r" (s1), "1" (flags), "0" (res));\ |
542 |
printf("%-10s A=" FMTLX " B=" FMTLX " R=" FMTLX " CC=%04lx\n",\ |
543 |
"imul" size " im", (long)op0, (long)op1, res, flags & CC_MASK);\ |
544 |
} |
545 |
|
546 |
|
547 |
#undef CC_MASK
|
548 |
#define CC_MASK (0) |
549 |
|
550 |
#define OP div
|
551 |
#include "test-i386-muldiv.h" |
552 |
|
553 |
#define OP idiv
|
554 |
#include "test-i386-muldiv.h" |
555 |
|
556 |
void test_mul(void) |
557 |
{ |
558 |
test_imulb(0x1234561d, 4); |
559 |
test_imulb(3, -4); |
560 |
test_imulb(0x80, 0x80); |
561 |
test_imulb(0x10, 0x10); |
562 |
|
563 |
test_imulw(0, 0x1234001d, 45); |
564 |
test_imulw(0, 23, -45); |
565 |
test_imulw(0, 0x8000, 0x8000); |
566 |
test_imulw(0, 0x100, 0x100); |
567 |
|
568 |
test_imull(0, 0x1234001d, 45); |
569 |
test_imull(0, 23, -45); |
570 |
test_imull(0, 0x80000000, 0x80000000); |
571 |
test_imull(0, 0x10000, 0x10000); |
572 |
|
573 |
test_mulb(0x1234561d, 4); |
574 |
test_mulb(3, -4); |
575 |
test_mulb(0x80, 0x80); |
576 |
test_mulb(0x10, 0x10); |
577 |
|
578 |
test_mulw(0, 0x1234001d, 45); |
579 |
test_mulw(0, 23, -45); |
580 |
test_mulw(0, 0x8000, 0x8000); |
581 |
test_mulw(0, 0x100, 0x100); |
582 |
|
583 |
test_mull(0, 0x1234001d, 45); |
584 |
test_mull(0, 23, -45); |
585 |
test_mull(0, 0x80000000, 0x80000000); |
586 |
test_mull(0, 0x10000, 0x10000); |
587 |
|
588 |
test_imulw2(0x1234001d, 45); |
589 |
test_imulw2(23, -45); |
590 |
test_imulw2(0x8000, 0x8000); |
591 |
test_imulw2(0x100, 0x100); |
592 |
|
593 |
test_imull2(0x1234001d, 45); |
594 |
test_imull2(23, -45); |
595 |
test_imull2(0x80000000, 0x80000000); |
596 |
test_imull2(0x10000, 0x10000); |
597 |
|
598 |
TEST_IMUL_IM("w", "w", 45, 0x1234); |
599 |
TEST_IMUL_IM("w", "w", -45, 23); |
600 |
TEST_IMUL_IM("w", "w", 0x8000, 0x80000000); |
601 |
TEST_IMUL_IM("w", "w", 0x7fff, 0x1000); |
602 |
|
603 |
TEST_IMUL_IM("l", "k", 45, 0x1234); |
604 |
TEST_IMUL_IM("l", "k", -45, 23); |
605 |
TEST_IMUL_IM("l", "k", 0x8000, 0x80000000); |
606 |
TEST_IMUL_IM("l", "k", 0x7fff, 0x1000); |
607 |
|
608 |
test_idivb(0x12341678, 0x127e); |
609 |
test_idivb(0x43210123, -5); |
610 |
test_idivb(0x12340004, -1); |
611 |
|
612 |
test_idivw(0, 0x12345678, 12347); |
613 |
test_idivw(0, -23223, -45); |
614 |
test_idivw(0, 0x12348000, -1); |
615 |
test_idivw(0x12343, 0x12345678, 0x81238567); |
616 |
|
617 |
test_idivl(0, 0x12345678, 12347); |
618 |
test_idivl(0, -233223, -45); |
619 |
test_idivl(0, 0x80000000, -1); |
620 |
test_idivl(0x12343, 0x12345678, 0x81234567); |
621 |
|
622 |
test_divb(0x12341678, 0x127e); |
623 |
test_divb(0x43210123, -5); |
624 |
test_divb(0x12340004, -1); |
625 |
|
626 |
test_divw(0, 0x12345678, 12347); |
627 |
test_divw(0, -23223, -45); |
628 |
test_divw(0, 0x12348000, -1); |
629 |
test_divw(0x12343, 0x12345678, 0x81238567); |
630 |
|
631 |
test_divl(0, 0x12345678, 12347); |
632 |
test_divl(0, -233223, -45); |
633 |
test_divl(0, 0x80000000, -1); |
634 |
test_divl(0x12343, 0x12345678, 0x81234567); |
635 |
|
636 |
#if defined(__x86_64__)
|
637 |
test_imulq(0, 0x1234001d1234001d, 45); |
638 |
test_imulq(0, 23, -45); |
639 |
test_imulq(0, 0x8000000000000000, 0x8000000000000000); |
640 |
test_imulq(0, 0x100000000, 0x100000000); |
641 |
|
642 |
test_mulq(0, 0x1234001d1234001d, 45); |
643 |
test_mulq(0, 23, -45); |
644 |
test_mulq(0, 0x8000000000000000, 0x8000000000000000); |
645 |
test_mulq(0, 0x100000000, 0x100000000); |
646 |
|
647 |
test_imulq2(0x1234001d1234001d, 45); |
648 |
test_imulq2(23, -45); |
649 |
test_imulq2(0x8000000000000000, 0x8000000000000000); |
650 |
test_imulq2(0x100000000, 0x100000000); |
651 |
|
652 |
TEST_IMUL_IM("q", "", 45, 0x12341234); |
653 |
TEST_IMUL_IM("q", "", -45, 23); |
654 |
TEST_IMUL_IM("q", "", 0x8000, 0x8000000000000000); |
655 |
TEST_IMUL_IM("q", "", 0x7fff, 0x10000000); |
656 |
|
657 |
test_idivq(0, 0x12345678abcdef, 12347); |
658 |
test_idivq(0, -233223, -45); |
659 |
test_idivq(0, 0x8000000000000000, -1); |
660 |
test_idivq(0x12343, 0x12345678, 0x81234567); |
661 |
|
662 |
test_divq(0, 0x12345678abcdef, 12347); |
663 |
test_divq(0, -233223, -45); |
664 |
test_divq(0, 0x8000000000000000, -1); |
665 |
test_divq(0x12343, 0x12345678, 0x81234567); |
666 |
#endif
|
667 |
} |
668 |
|
669 |
#define TEST_BSX(op, size, op0)\
|
670 |
{\ |
671 |
long res, val, resz;\
|
672 |
val = op0;\ |
673 |
asm("xor %1, %1\n"\ |
674 |
"mov $0x12345678, %0\n"\
|
675 |
#op " %" size "2, %" size "0 ; setz %b1" \ |
676 |
: "=r" (res), "=q" (resz)\ |
677 |
: "g" (val));\
|
678 |
printf("%-10s A=" FMTLX " R=" FMTLX " %ld\n", #op, val, res, resz);\ |
679 |
} |
680 |
|
681 |
void test_bsx(void) |
682 |
{ |
683 |
TEST_BSX(bsrw, "w", 0); |
684 |
TEST_BSX(bsrw, "w", 0x12340128); |
685 |
TEST_BSX(bsfw, "w", 0); |
686 |
TEST_BSX(bsfw, "w", 0x12340128); |
687 |
TEST_BSX(bsrl, "k", 0); |
688 |
TEST_BSX(bsrl, "k", 0x00340128); |
689 |
TEST_BSX(bsfl, "k", 0); |
690 |
TEST_BSX(bsfl, "k", 0x00340128); |
691 |
#if defined(__x86_64__)
|
692 |
TEST_BSX(bsrq, "", 0); |
693 |
TEST_BSX(bsrq, "", 0x003401281234); |
694 |
TEST_BSX(bsfq, "", 0); |
695 |
TEST_BSX(bsfq, "", 0x003401281234); |
696 |
#endif
|
697 |
} |
698 |
|
699 |
/**********************************************/
|
700 |
|
701 |
union float64u {
|
702 |
double d;
|
703 |
uint64_t l; |
704 |
}; |
705 |
|
706 |
union float64u q_nan = { .l = 0xFFF8000000000000 }; |
707 |
union float64u s_nan = { .l = 0xFFF0000000000000 }; |
708 |
|
709 |
void test_fops(double a, double b) |
710 |
{ |
711 |
printf("a=%f b=%f a+b=%f\n", a, b, a + b);
|
712 |
printf("a=%f b=%f a-b=%f\n", a, b, a - b);
|
713 |
printf("a=%f b=%f a*b=%f\n", a, b, a * b);
|
714 |
printf("a=%f b=%f a/b=%f\n", a, b, a / b);
|
715 |
printf("a=%f b=%f fmod(a, b)=%f\n", a, b, fmod(a, b));
|
716 |
printf("a=%f sqrt(a)=%f\n", a, sqrt(a));
|
717 |
printf("a=%f sin(a)=%f\n", a, sin(a));
|
718 |
printf("a=%f cos(a)=%f\n", a, cos(a));
|
719 |
printf("a=%f tan(a)=%f\n", a, tan(a));
|
720 |
printf("a=%f log(a)=%f\n", a, log(a));
|
721 |
printf("a=%f exp(a)=%f\n", a, exp(a));
|
722 |
printf("a=%f b=%f atan2(a, b)=%f\n", a, b, atan2(a, b));
|
723 |
/* just to test some op combining */
|
724 |
printf("a=%f asin(sin(a))=%f\n", a, asin(sin(a)));
|
725 |
printf("a=%f acos(cos(a))=%f\n", a, acos(cos(a)));
|
726 |
printf("a=%f atan(tan(a))=%f\n", a, atan(tan(a)));
|
727 |
|
728 |
} |
729 |
|
730 |
void fpu_clear_exceptions(void) |
731 |
{ |
732 |
struct __attribute__((packed)) {
|
733 |
uint16_t fpuc; |
734 |
uint16_t dummy1; |
735 |
uint16_t fpus; |
736 |
uint16_t dummy2; |
737 |
uint16_t fptag; |
738 |
uint16_t dummy3; |
739 |
uint32_t ignored[4];
|
740 |
long double fpregs[8]; |
741 |
} float_env32; |
742 |
|
743 |
asm volatile ("fnstenv %0\n" : : "m" (float_env32)); |
744 |
float_env32.fpus &= ~0x7f;
|
745 |
asm volatile ("fldenv %0\n" : : "m" (float_env32)); |
746 |
} |
747 |
|
748 |
/* XXX: display exception bits when supported */
|
749 |
#define FPUS_EMASK 0x0000 |
750 |
//#define FPUS_EMASK 0x007f
|
751 |
|
752 |
void test_fcmp(double a, double b) |
753 |
{ |
754 |
long eflags, fpus;
|
755 |
|
756 |
fpu_clear_exceptions(); |
757 |
asm("fcom %2\n" |
758 |
"fstsw %%ax\n"
|
759 |
: "=a" (fpus)
|
760 |
: "t" (a), "u" (b)); |
761 |
printf("fcom(%f %f)=%04lx \n",
|
762 |
a, b, fpus & (0x4500 | FPUS_EMASK));
|
763 |
fpu_clear_exceptions(); |
764 |
asm("fucom %2\n" |
765 |
"fstsw %%ax\n"
|
766 |
: "=a" (fpus)
|
767 |
: "t" (a), "u" (b)); |
768 |
printf("fucom(%f %f)=%04lx\n",
|
769 |
a, b, fpus & (0x4500 | FPUS_EMASK));
|
770 |
if (TEST_FCOMI) {
|
771 |
/* test f(u)comi instruction */
|
772 |
fpu_clear_exceptions(); |
773 |
asm("fcomi %3, %2\n" |
774 |
"fstsw %%ax\n"
|
775 |
"pushf\n"
|
776 |
"pop %0\n"
|
777 |
: "=r" (eflags), "=a" (fpus) |
778 |
: "t" (a), "u" (b)); |
779 |
printf("fcomi(%f %f)=%04lx %02lx\n",
|
780 |
a, b, fpus & FPUS_EMASK, eflags & (CC_Z | CC_P | CC_C)); |
781 |
fpu_clear_exceptions(); |
782 |
asm("fucomi %3, %2\n" |
783 |
"fstsw %%ax\n"
|
784 |
"pushf\n"
|
785 |
"pop %0\n"
|
786 |
: "=r" (eflags), "=a" (fpus) |
787 |
: "t" (a), "u" (b)); |
788 |
printf("fucomi(%f %f)=%04lx %02lx\n",
|
789 |
a, b, fpus & FPUS_EMASK, eflags & (CC_Z | CC_P | CC_C)); |
790 |
} |
791 |
fpu_clear_exceptions(); |
792 |
} |
793 |
|
794 |
void test_fcvt(double a) |
795 |
{ |
796 |
float fa;
|
797 |
long double la; |
798 |
int16_t fpuc; |
799 |
int i;
|
800 |
int64_t lla; |
801 |
int ia;
|
802 |
int16_t wa; |
803 |
double ra;
|
804 |
|
805 |
fa = a; |
806 |
la = a; |
807 |
printf("(float)%f = %f\n", a, fa);
|
808 |
printf("(long double)%f = %Lf\n", a, la);
|
809 |
printf("a=" FMT64X "\n", *(uint64_t *)&a); |
810 |
printf("la=" FMT64X " %04x\n", *(uint64_t *)&la, |
811 |
*(unsigned short *)((char *)(&la) + 8)); |
812 |
|
813 |
/* test all roundings */
|
814 |
asm volatile ("fstcw %0" : "=m" (fpuc)); |
815 |
for(i=0;i<4;i++) { |
816 |
asm volatile ("fldcw %0" : : "m" ((fpuc & ~0x0c00) | (i << 10))); |
817 |
asm volatile ("fist %0" : "=m" (wa) : "t" (a)); |
818 |
asm volatile ("fistl %0" : "=m" (ia) : "t" (a)); |
819 |
asm volatile ("fistpll %0" : "=m" (lla) : "t" (a) : "st"); |
820 |
asm volatile ("frndint ; fstl %0" : "=m" (ra) : "t" (a)); |
821 |
asm volatile ("fldcw %0" : : "m" (fpuc)); |
822 |
printf("(short)a = %d\n", wa);
|
823 |
printf("(int)a = %d\n", ia);
|
824 |
printf("(int64_t)a = " FMT64X "\n", lla); |
825 |
printf("rint(a) = %f\n", ra);
|
826 |
} |
827 |
} |
828 |
|
829 |
#define TEST(N) \
|
830 |
asm("fld" #N : "=t" (a)); \ |
831 |
printf("fld" #N "= %f\n", a); |
832 |
|
833 |
void test_fconst(void) |
834 |
{ |
835 |
double a;
|
836 |
TEST(1);
|
837 |
TEST(l2t); |
838 |
TEST(l2e); |
839 |
TEST(pi); |
840 |
TEST(lg2); |
841 |
TEST(ln2); |
842 |
TEST(z); |
843 |
} |
844 |
|
845 |
void test_fbcd(double a) |
846 |
{ |
847 |
unsigned short bcd[5]; |
848 |
double b;
|
849 |
|
850 |
asm("fbstp %0" : "=m" (bcd[0]) : "t" (a) : "st"); |
851 |
asm("fbld %1" : "=t" (b) : "m" (bcd[0])); |
852 |
printf("a=%f bcd=%04x%04x%04x%04x%04x b=%f\n",
|
853 |
a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b); |
854 |
} |
855 |
|
856 |
#define TEST_ENV(env, save, restore)\
|
857 |
{\ |
858 |
memset((env), 0xaa, sizeof(*(env)));\ |
859 |
for(i=0;i<5;i++)\ |
860 |
asm volatile ("fldl %0" : : "m" (dtab[i]));\ |
861 |
asm volatile (save " %0\n" : : "m" (*(env)));\ |
862 |
asm volatile (restore " %0\n": : "m" (*(env)));\ |
863 |
for(i=0;i<5;i++)\ |
864 |
asm volatile ("fstpl %0" : "=m" (rtab[i]));\ |
865 |
for(i=0;i<5;i++)\ |
866 |
printf("res[%d]=%f\n", i, rtab[i]);\
|
867 |
printf("fpuc=%04x fpus=%04x fptag=%04x\n",\
|
868 |
(env)->fpuc,\ |
869 |
(env)->fpus & 0xff00,\
|
870 |
(env)->fptag);\ |
871 |
} |
872 |
|
873 |
void test_fenv(void) |
874 |
{ |
875 |
struct __attribute__((packed)) {
|
876 |
uint16_t fpuc; |
877 |
uint16_t dummy1; |
878 |
uint16_t fpus; |
879 |
uint16_t dummy2; |
880 |
uint16_t fptag; |
881 |
uint16_t dummy3; |
882 |
uint32_t ignored[4];
|
883 |
long double fpregs[8]; |
884 |
} float_env32; |
885 |
struct __attribute__((packed)) {
|
886 |
uint16_t fpuc; |
887 |
uint16_t fpus; |
888 |
uint16_t fptag; |
889 |
uint16_t ignored[4];
|
890 |
long double fpregs[8]; |
891 |
} float_env16; |
892 |
double dtab[8]; |
893 |
double rtab[8]; |
894 |
int i;
|
895 |
|
896 |
for(i=0;i<8;i++) |
897 |
dtab[i] = i + 1;
|
898 |
|
899 |
TEST_ENV(&float_env16, "data16 fnstenv", "data16 fldenv"); |
900 |
TEST_ENV(&float_env16, "data16 fnsave", "data16 frstor"); |
901 |
TEST_ENV(&float_env32, "fnstenv", "fldenv"); |
902 |
TEST_ENV(&float_env32, "fnsave", "frstor"); |
903 |
|
904 |
/* test for ffree */
|
905 |
for(i=0;i<5;i++) |
906 |
asm volatile ("fldl %0" : : "m" (dtab[i])); |
907 |
asm volatile("ffree %st(2)"); |
908 |
asm volatile ("fnstenv %0\n" : : "m" (float_env32)); |
909 |
asm volatile ("fninit"); |
910 |
printf("fptag=%04x\n", float_env32.fptag);
|
911 |
} |
912 |
|
913 |
|
914 |
#define TEST_FCMOV(a, b, eflags, CC)\
|
915 |
{\ |
916 |
double res;\
|
917 |
asm("push %3\n"\ |
918 |
"popf\n"\
|
919 |
"fcmov" CC " %2, %0\n"\ |
920 |
: "=t" (res)\
|
921 |
: "0" (a), "u" (b), "g" (eflags));\ |
922 |
printf("fcmov%s eflags=0x%04lx-> %f\n", \
|
923 |
CC, (long)eflags, res);\
|
924 |
} |
925 |
|
926 |
void test_fcmov(void) |
927 |
{ |
928 |
double a, b;
|
929 |
long eflags, i;
|
930 |
|
931 |
a = 1.0; |
932 |
b = 2.0; |
933 |
for(i = 0; i < 4; i++) { |
934 |
eflags = 0;
|
935 |
if (i & 1) |
936 |
eflags |= CC_C; |
937 |
if (i & 2) |
938 |
eflags |= CC_Z; |
939 |
TEST_FCMOV(a, b, eflags, "b");
|
940 |
TEST_FCMOV(a, b, eflags, "e");
|
941 |
TEST_FCMOV(a, b, eflags, "be");
|
942 |
TEST_FCMOV(a, b, eflags, "nb");
|
943 |
TEST_FCMOV(a, b, eflags, "ne");
|
944 |
TEST_FCMOV(a, b, eflags, "nbe");
|
945 |
} |
946 |
TEST_FCMOV(a, b, 0, "u"); |
947 |
TEST_FCMOV(a, b, CC_P, "u");
|
948 |
TEST_FCMOV(a, b, 0, "nu"); |
949 |
TEST_FCMOV(a, b, CC_P, "nu");
|
950 |
} |
951 |
|
952 |
void test_floats(void) |
953 |
{ |
954 |
test_fops(2, 3); |
955 |
test_fops(1.4, -5); |
956 |
test_fcmp(2, -1); |
957 |
test_fcmp(2, 2); |
958 |
test_fcmp(2, 3); |
959 |
test_fcmp(2, q_nan.d);
|
960 |
test_fcmp(q_nan.d, -1);
|
961 |
test_fcvt(0.5); |
962 |
test_fcvt(-0.5); |
963 |
test_fcvt(1.0/7.0); |
964 |
test_fcvt(-1.0/9.0); |
965 |
test_fcvt(32768);
|
966 |
test_fcvt(-1e20);
|
967 |
test_fconst(); |
968 |
test_fbcd(1234567890123456);
|
969 |
test_fbcd(-123451234567890);
|
970 |
test_fenv(); |
971 |
if (TEST_CMOV) {
|
972 |
test_fcmov(); |
973 |
} |
974 |
} |
975 |
|
976 |
/**********************************************/
|
977 |
#if !defined(__x86_64__)
|
978 |
|
979 |
#define TEST_BCD(op, op0, cc_in, cc_mask)\
|
980 |
{\ |
981 |
int res, flags;\
|
982 |
res = op0;\ |
983 |
flags = cc_in;\ |
984 |
asm ("push %3\n\t"\ |
985 |
"popf\n\t"\
|
986 |
#op "\n\t"\ |
987 |
"pushf\n\t"\
|
988 |
"pop %1\n\t"\
|
989 |
: "=a" (res), "=g" (flags)\ |
990 |
: "0" (res), "1" (flags));\ |
991 |
printf("%-10s A=%08x R=%08x CCIN=%04x CC=%04x\n",\
|
992 |
#op, op0, res, cc_in, flags & cc_mask);\
|
993 |
} |
994 |
|
995 |
void test_bcd(void) |
996 |
{ |
997 |
TEST_BCD(daa, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
998 |
TEST_BCD(daa, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
999 |
TEST_BCD(daa, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1000 |
TEST_BCD(daa, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1001 |
TEST_BCD(daa, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1002 |
TEST_BCD(daa, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1003 |
TEST_BCD(daa, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1004 |
TEST_BCD(daa, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
1005 |
TEST_BCD(daa, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
1006 |
TEST_BCD(daa, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1007 |
TEST_BCD(daa, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1008 |
TEST_BCD(daa, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1009 |
TEST_BCD(daa, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1010 |
|
1011 |
TEST_BCD(das, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1012 |
TEST_BCD(das, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1013 |
TEST_BCD(das, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1014 |
TEST_BCD(das, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1015 |
TEST_BCD(das, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1016 |
TEST_BCD(das, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1017 |
TEST_BCD(das, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1018 |
TEST_BCD(das, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
1019 |
TEST_BCD(das, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
1020 |
TEST_BCD(das, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1021 |
TEST_BCD(das, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1022 |
TEST_BCD(das, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1023 |
TEST_BCD(das, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
1024 |
|
1025 |
TEST_BCD(aaa, 0x12340205, CC_A, (CC_C | CC_A));
|
1026 |
TEST_BCD(aaa, 0x12340306, CC_A, (CC_C | CC_A));
|
1027 |
TEST_BCD(aaa, 0x1234040a, CC_A, (CC_C | CC_A));
|
1028 |
TEST_BCD(aaa, 0x123405fa, CC_A, (CC_C | CC_A));
|
1029 |
TEST_BCD(aaa, 0x12340205, 0, (CC_C | CC_A)); |
1030 |
TEST_BCD(aaa, 0x12340306, 0, (CC_C | CC_A)); |
1031 |
TEST_BCD(aaa, 0x1234040a, 0, (CC_C | CC_A)); |
1032 |
TEST_BCD(aaa, 0x123405fa, 0, (CC_C | CC_A)); |
1033 |
|
1034 |
TEST_BCD(aas, 0x12340205, CC_A, (CC_C | CC_A));
|
1035 |
TEST_BCD(aas, 0x12340306, CC_A, (CC_C | CC_A));
|
1036 |
TEST_BCD(aas, 0x1234040a, CC_A, (CC_C | CC_A));
|
1037 |
TEST_BCD(aas, 0x123405fa, CC_A, (CC_C | CC_A));
|
1038 |
TEST_BCD(aas, 0x12340205, 0, (CC_C | CC_A)); |
1039 |
TEST_BCD(aas, 0x12340306, 0, (CC_C | CC_A)); |
1040 |
TEST_BCD(aas, 0x1234040a, 0, (CC_C | CC_A)); |
1041 |
TEST_BCD(aas, 0x123405fa, 0, (CC_C | CC_A)); |
1042 |
|
1043 |
TEST_BCD(aam, 0x12340547, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));
|
1044 |
TEST_BCD(aad, 0x12340407, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));
|
1045 |
} |
1046 |
#endif
|
1047 |
|
1048 |
#define TEST_XCHG(op, size, opconst)\
|
1049 |
{\ |
1050 |
long op0, op1;\
|
1051 |
op0 = i2l(0x12345678);\
|
1052 |
op1 = i2l(0xfbca7654);\
|
1053 |
asm(#op " %" size "0, %" size "1" \ |
1054 |
: "=q" (op0), opconst (op1) \
|
1055 |
: "0" (op0), "1" (op1));\ |
1056 |
printf("%-10s A=" FMTLX " B=" FMTLX "\n",\ |
1057 |
#op, op0, op1);\
|
1058 |
} |
1059 |
|
1060 |
#define TEST_CMPXCHG(op, size, opconst, eax)\
|
1061 |
{\ |
1062 |
long op0, op1, op2;\
|
1063 |
op0 = i2l(0x12345678);\
|
1064 |
op1 = i2l(0xfbca7654);\
|
1065 |
op2 = i2l(eax);\ |
1066 |
asm(#op " %" size "0, %" size "1" \ |
1067 |
: "=q" (op0), opconst (op1) \
|
1068 |
: "0" (op0), "1" (op1), "a" (op2));\ |
1069 |
printf("%-10s EAX=" FMTLX " A=" FMTLX " C=" FMTLX "\n",\ |
1070 |
#op, op2, op0, op1);\
|
1071 |
} |
1072 |
|
1073 |
void test_xchg(void) |
1074 |
{ |
1075 |
#if defined(__x86_64__)
|
1076 |
TEST_XCHG(xchgq, "", "=q"); |
1077 |
#endif
|
1078 |
TEST_XCHG(xchgl, "k", "=q"); |
1079 |
TEST_XCHG(xchgw, "w", "=q"); |
1080 |
TEST_XCHG(xchgb, "b", "=q"); |
1081 |
|
1082 |
#if defined(__x86_64__)
|
1083 |
TEST_XCHG(xchgq, "", "=m"); |
1084 |
#endif
|
1085 |
TEST_XCHG(xchgl, "k", "=m"); |
1086 |
TEST_XCHG(xchgw, "w", "=m"); |
1087 |
TEST_XCHG(xchgb, "b", "=m"); |
1088 |
|
1089 |
#if defined(__x86_64__)
|
1090 |
TEST_XCHG(xaddq, "", "=q"); |
1091 |
#endif
|
1092 |
TEST_XCHG(xaddl, "k", "=q"); |
1093 |
TEST_XCHG(xaddw, "w", "=q"); |
1094 |
TEST_XCHG(xaddb, "b", "=q"); |
1095 |
|
1096 |
{ |
1097 |
int res;
|
1098 |
res = 0x12345678;
|
1099 |
asm("xaddl %1, %0" : "=r" (res) : "0" (res)); |
1100 |
printf("xaddl same res=%08x\n", res);
|
1101 |
} |
1102 |
|
1103 |
#if defined(__x86_64__)
|
1104 |
TEST_XCHG(xaddq, "", "=m"); |
1105 |
#endif
|
1106 |
TEST_XCHG(xaddl, "k", "=m"); |
1107 |
TEST_XCHG(xaddw, "w", "=m"); |
1108 |
TEST_XCHG(xaddb, "b", "=m"); |
1109 |
|
1110 |
#if defined(__x86_64__)
|
1111 |
TEST_CMPXCHG(cmpxchgq, "", "=q", 0xfbca7654); |
1112 |
#endif
|
1113 |
TEST_CMPXCHG(cmpxchgl, "k", "=q", 0xfbca7654); |
1114 |
TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfbca7654); |
1115 |
TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfbca7654); |
1116 |
|
1117 |
#if defined(__x86_64__)
|
1118 |
TEST_CMPXCHG(cmpxchgq, "", "=q", 0xfffefdfc); |
1119 |
#endif
|
1120 |
TEST_CMPXCHG(cmpxchgl, "k", "=q", 0xfffefdfc); |
1121 |
TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfffefdfc); |
1122 |
TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfffefdfc); |
1123 |
|
1124 |
#if defined(__x86_64__)
|
1125 |
TEST_CMPXCHG(cmpxchgq, "", "=m", 0xfbca7654); |
1126 |
#endif
|
1127 |
TEST_CMPXCHG(cmpxchgl, "k", "=m", 0xfbca7654); |
1128 |
TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfbca7654); |
1129 |
TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfbca7654); |
1130 |
|
1131 |
#if defined(__x86_64__)
|
1132 |
TEST_CMPXCHG(cmpxchgq, "", "=m", 0xfffefdfc); |
1133 |
#endif
|
1134 |
TEST_CMPXCHG(cmpxchgl, "k", "=m", 0xfffefdfc); |
1135 |
TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfffefdfc); |
1136 |
TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfffefdfc); |
1137 |
|
1138 |
{ |
1139 |
uint64_t op0, op1, op2; |
1140 |
long i, eflags;
|
1141 |
|
1142 |
for(i = 0; i < 2; i++) { |
1143 |
op0 = 0x123456789abcd;
|
1144 |
if (i == 0) |
1145 |
op1 = 0xfbca765423456;
|
1146 |
else
|
1147 |
op1 = op0; |
1148 |
op2 = 0x6532432432434;
|
1149 |
asm("cmpxchg8b %1\n" |
1150 |
"pushf\n"
|
1151 |
"pop %2\n"
|
1152 |
: "=A" (op0), "=m" (op1), "=g" (eflags) |
1153 |
: "0" (op0), "m" (op1), "b" ((int)op2), "c" ((int)(op2 >> 32))); |
1154 |
printf("cmpxchg8b: op0=" FMT64X " op1=" FMT64X " CC=%02lx\n", |
1155 |
op0, op1, eflags & CC_Z); |
1156 |
} |
1157 |
} |
1158 |
} |
1159 |
|
1160 |
#ifdef TEST_SEGS
|
1161 |
/**********************************************/
|
1162 |
/* segmentation tests */
|
1163 |
|
1164 |
#include <asm/ldt.h> |
1165 |
#include <linux/unistd.h> |
1166 |
#include <linux/version.h> |
1167 |
|
1168 |
_syscall3(int, modify_ldt, int, func, void *, ptr, unsigned long, bytecount) |
1169 |
|
1170 |
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 66) |
1171 |
#define modify_ldt_ldt_s user_desc
|
1172 |
#endif
|
1173 |
|
1174 |
#define MK_SEL(n) (((n) << 3) | 7) |
1175 |
|
1176 |
uint8_t seg_data1[4096];
|
1177 |
uint8_t seg_data2[4096];
|
1178 |
|
1179 |
#define TEST_LR(op, size, seg, mask)\
|
1180 |
{\ |
1181 |
int res, res2;\
|
1182 |
res = 0x12345678;\
|
1183 |
asm (op " %" size "2, %" size "0\n" \ |
1184 |
"movl $0, %1\n"\
|
1185 |
"jnz 1f\n"\
|
1186 |
"movl $1, %1\n"\
|
1187 |
"1:\n"\
|
1188 |
: "=r" (res), "=r" (res2) : "m" (seg), "0" (res));\ |
1189 |
printf(op ": Z=%d %08x\n", res2, res & ~(mask));\
|
1190 |
} |
1191 |
|
1192 |
/* NOTE: we use Linux modify_ldt syscall */
|
1193 |
void test_segs(void) |
1194 |
{ |
1195 |
struct modify_ldt_ldt_s ldt;
|
1196 |
long long ldt_table[3]; |
1197 |
int res, res2;
|
1198 |
char tmp;
|
1199 |
struct {
|
1200 |
uint32_t offset; |
1201 |
uint16_t seg; |
1202 |
} __attribute__((packed)) segoff; |
1203 |
|
1204 |
ldt.entry_number = 1;
|
1205 |
ldt.base_addr = (unsigned long)&seg_data1; |
1206 |
ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12; |
1207 |
ldt.seg_32bit = 1;
|
1208 |
ldt.contents = MODIFY_LDT_CONTENTS_DATA; |
1209 |
ldt.read_exec_only = 0;
|
1210 |
ldt.limit_in_pages = 1;
|
1211 |
ldt.seg_not_present = 0;
|
1212 |
ldt.useable = 1;
|
1213 |
modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
1214 |
|
1215 |
ldt.entry_number = 2;
|
1216 |
ldt.base_addr = (unsigned long)&seg_data2; |
1217 |
ldt.limit = (sizeof(seg_data2) + 0xfff) >> 12; |
1218 |
ldt.seg_32bit = 1;
|
1219 |
ldt.contents = MODIFY_LDT_CONTENTS_DATA; |
1220 |
ldt.read_exec_only = 0;
|
1221 |
ldt.limit_in_pages = 1;
|
1222 |
ldt.seg_not_present = 0;
|
1223 |
ldt.useable = 1;
|
1224 |
modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
1225 |
|
1226 |
modify_ldt(0, &ldt_table, sizeof(ldt_table)); /* read ldt entries */ |
1227 |
#if 0
|
1228 |
{
|
1229 |
int i;
|
1230 |
for(i=0;i<3;i++)
|
1231 |
printf("%d: %016Lx\n", i, ldt_table[i]);
|
1232 |
}
|
1233 |
#endif
|
1234 |
/* do some tests with fs or gs */
|
1235 |
asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1))); |
1236 |
|
1237 |
seg_data1[1] = 0xaa; |
1238 |
seg_data2[1] = 0x55; |
1239 |
|
1240 |
asm volatile ("fs movzbl 0x1, %0" : "=r" (res)); |
1241 |
printf("FS[1] = %02x\n", res);
|
1242 |
|
1243 |
asm volatile ("pushl %%gs\n" |
1244 |
"movl %1, %%gs\n"
|
1245 |
"gs movzbl 0x1, %0\n"
|
1246 |
"popl %%gs\n"
|
1247 |
: "=r" (res)
|
1248 |
: "r" (MK_SEL(2))); |
1249 |
printf("GS[1] = %02x\n", res);
|
1250 |
|
1251 |
/* tests with ds/ss (implicit segment case) */
|
1252 |
tmp = 0xa5;
|
1253 |
asm volatile ("pushl %%ebp\n\t" |
1254 |
"pushl %%ds\n\t"
|
1255 |
"movl %2, %%ds\n\t"
|
1256 |
"movl %3, %%ebp\n\t"
|
1257 |
"movzbl 0x1, %0\n\t"
|
1258 |
"movzbl (%%ebp), %1\n\t"
|
1259 |
"popl %%ds\n\t"
|
1260 |
"popl %%ebp\n\t"
|
1261 |
: "=r" (res), "=r" (res2) |
1262 |
: "r" (MK_SEL(1)), "r" (&tmp)); |
1263 |
printf("DS[1] = %02x\n", res);
|
1264 |
printf("SS[tmp] = %02x\n", res2);
|
1265 |
|
1266 |
segoff.seg = MK_SEL(2);
|
1267 |
segoff.offset = 0xabcdef12;
|
1268 |
asm volatile("lfs %2, %0\n\t" |
1269 |
"movl %%fs, %1\n\t"
|
1270 |
: "=r" (res), "=g" (res2) |
1271 |
: "m" (segoff));
|
1272 |
printf("FS:reg = %04x:%08x\n", res2, res);
|
1273 |
|
1274 |
TEST_LR("larw", "w", MK_SEL(2), 0x0100); |
1275 |
TEST_LR("larl", "", MK_SEL(2), 0x0100); |
1276 |
TEST_LR("lslw", "w", MK_SEL(2), 0); |
1277 |
TEST_LR("lsll", "", MK_SEL(2), 0); |
1278 |
|
1279 |
TEST_LR("larw", "w", 0xfff8, 0); |
1280 |
TEST_LR("larl", "", 0xfff8, 0); |
1281 |
TEST_LR("lslw", "w", 0xfff8, 0); |
1282 |
TEST_LR("lsll", "", 0xfff8, 0); |
1283 |
} |
1284 |
|
1285 |
/* 16 bit code test */
|
1286 |
extern char code16_start, code16_end; |
1287 |
extern char code16_func1; |
1288 |
extern char code16_func2; |
1289 |
extern char code16_func3; |
1290 |
|
1291 |
void test_code16(void) |
1292 |
{ |
1293 |
struct modify_ldt_ldt_s ldt;
|
1294 |
int res, res2;
|
1295 |
|
1296 |
/* build a code segment */
|
1297 |
ldt.entry_number = 1;
|
1298 |
ldt.base_addr = (unsigned long)&code16_start; |
1299 |
ldt.limit = &code16_end - &code16_start; |
1300 |
ldt.seg_32bit = 0;
|
1301 |
ldt.contents = MODIFY_LDT_CONTENTS_CODE; |
1302 |
ldt.read_exec_only = 0;
|
1303 |
ldt.limit_in_pages = 0;
|
1304 |
ldt.seg_not_present = 0;
|
1305 |
ldt.useable = 1;
|
1306 |
modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
1307 |
|
1308 |
/* call the first function */
|
1309 |
asm volatile ("lcall %1, %2" |
1310 |
: "=a" (res)
|
1311 |
: "i" (MK_SEL(1)), "i" (&code16_func1): "memory", "cc"); |
1312 |
printf("func1() = 0x%08x\n", res);
|
1313 |
asm volatile ("lcall %2, %3" |
1314 |
: "=a" (res), "=c" (res2) |
1315 |
: "i" (MK_SEL(1)), "i" (&code16_func2): "memory", "cc"); |
1316 |
printf("func2() = 0x%08x spdec=%d\n", res, res2);
|
1317 |
asm volatile ("lcall %1, %2" |
1318 |
: "=a" (res)
|
1319 |
: "i" (MK_SEL(1)), "i" (&code16_func3): "memory", "cc"); |
1320 |
printf("func3() = 0x%08x\n", res);
|
1321 |
} |
1322 |
#endif
|
1323 |
|
1324 |
#if defined(__x86_64__)
|
1325 |
asm(".globl func_lret\n" |
1326 |
"func_lret:\n"
|
1327 |
"movl $0x87654641, %eax\n"
|
1328 |
"lretq\n");
|
1329 |
#else
|
1330 |
asm(".globl func_lret\n" |
1331 |
"func_lret:\n"
|
1332 |
"movl $0x87654321, %eax\n"
|
1333 |
"lret\n"
|
1334 |
|
1335 |
".globl func_iret\n"
|
1336 |
"func_iret:\n"
|
1337 |
"movl $0xabcd4321, %eax\n"
|
1338 |
"iret\n");
|
1339 |
#endif
|
1340 |
|
1341 |
extern char func_lret; |
1342 |
extern char func_iret; |
1343 |
|
1344 |
void test_misc(void) |
1345 |
{ |
1346 |
char table[256]; |
1347 |
long res, i;
|
1348 |
|
1349 |
for(i=0;i<256;i++) table[i] = 256 - i; |
1350 |
res = 0x12345678;
|
1351 |
asm ("xlat" : "=a" (res) : "b" (table), "0" (res)); |
1352 |
printf("xlat: EAX=" FMTLX "\n", res); |
1353 |
|
1354 |
#if defined(__x86_64__)
|
1355 |
{ |
1356 |
static struct __attribute__((packed)) { |
1357 |
uint32_t offset; |
1358 |
uint16_t seg; |
1359 |
} desc; |
1360 |
long cs_sel;
|
1361 |
|
1362 |
asm volatile ("mov %%cs, %0" : "=r" (cs_sel)); |
1363 |
|
1364 |
asm volatile ("push %1\n" |
1365 |
"call func_lret\n"
|
1366 |
: "=a" (res)
|
1367 |
: "r" (cs_sel) : "memory", "cc"); |
1368 |
printf("func_lret=" FMTLX "\n", res); |
1369 |
|
1370 |
/* NOTE: we assume that &func_lret < 4GB */
|
1371 |
desc.offset = (long)&func_lret;
|
1372 |
desc.seg = cs_sel; |
1373 |
|
1374 |
asm volatile ("xor %%rax, %%rax\n" |
1375 |
"rex64 lcall %1\n"
|
1376 |
: "=a" (res)
|
1377 |
: "m" (desc)
|
1378 |
: "memory", "cc"); |
1379 |
printf("func_lret2=" FMTLX "\n", res); |
1380 |
|
1381 |
asm volatile ("push %2\n" |
1382 |
"mov $ 1f, %%rax\n"
|
1383 |
"push %%rax\n"
|
1384 |
"ljmp %1\n"
|
1385 |
"1:\n"
|
1386 |
: "=a" (res)
|
1387 |
: "m" (desc), "b" (cs_sel) |
1388 |
: "memory", "cc"); |
1389 |
printf("func_lret3=" FMTLX "\n", res); |
1390 |
} |
1391 |
#else
|
1392 |
asm volatile ("push %%cs ; call %1" |
1393 |
: "=a" (res)
|
1394 |
: "m" (func_lret): "memory", "cc"); |
1395 |
printf("func_lret=" FMTLX "\n", res); |
1396 |
|
1397 |
asm volatile ("pushf ; push %%cs ; call %1" |
1398 |
: "=a" (res)
|
1399 |
: "m" (func_iret): "memory", "cc"); |
1400 |
printf("func_iret=" FMTLX "\n", res); |
1401 |
#endif
|
1402 |
|
1403 |
#if defined(__x86_64__)
|
1404 |
/* specific popl test */
|
1405 |
asm volatile ("push $12345432 ; push $0x9abcdef ; pop (%%rsp) ; pop %0" |
1406 |
: "=g" (res));
|
1407 |
printf("popl esp=" FMTLX "\n", res); |
1408 |
#else
|
1409 |
/* specific popl test */
|
1410 |
asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popl (%%esp) ; popl %0" |
1411 |
: "=g" (res));
|
1412 |
printf("popl esp=" FMTLX "\n", res); |
1413 |
|
1414 |
/* specific popw test */
|
1415 |
asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popw (%%esp) ; addl $2, %%esp ; popl %0" |
1416 |
: "=g" (res));
|
1417 |
printf("popw esp=" FMTLX "\n", res); |
1418 |
#endif
|
1419 |
} |
1420 |
|
1421 |
uint8_t str_buffer[4096];
|
1422 |
|
1423 |
#define TEST_STRING1(OP, size, DF, REP)\
|
1424 |
{\ |
1425 |
long esi, edi, eax, ecx, eflags;\
|
1426 |
\ |
1427 |
esi = (long)(str_buffer + sizeof(str_buffer) / 2);\ |
1428 |
edi = (long)(str_buffer + sizeof(str_buffer) / 2) + 16;\ |
1429 |
eax = i2l(0x12345678);\
|
1430 |
ecx = 17;\
|
1431 |
\ |
1432 |
asm volatile ("push $0\n\t"\ |
1433 |
"popf\n\t"\
|
1434 |
DF "\n\t"\
|
1435 |
REP #OP size "\n\t"\ |
1436 |
"cld\n\t"\
|
1437 |
"pushf\n\t"\
|
1438 |
"pop %4\n\t"\
|
1439 |
: "=S" (esi), "=D" (edi), "=a" (eax), "=c" (ecx), "=g" (eflags)\ |
1440 |
: "0" (esi), "1" (edi), "2" (eax), "3" (ecx));\ |
1441 |
printf("%-10s ESI=" FMTLX " EDI=" FMTLX " EAX=" FMTLX " ECX=" FMTLX " EFL=%04x\n",\ |
1442 |
REP #OP size, esi, edi, eax, ecx,\
|
1443 |
(int)(eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)));\
|
1444 |
} |
1445 |
|
1446 |
#define TEST_STRING(OP, REP)\
|
1447 |
TEST_STRING1(OP, "b", "", REP);\ |
1448 |
TEST_STRING1(OP, "w", "", REP);\ |
1449 |
TEST_STRING1(OP, "l", "", REP);\ |
1450 |
X86_64_ONLY(TEST_STRING1(OP, "q", "", REP));\ |
1451 |
TEST_STRING1(OP, "b", "std", REP);\ |
1452 |
TEST_STRING1(OP, "w", "std", REP);\ |
1453 |
TEST_STRING1(OP, "l", "std", REP);\ |
1454 |
X86_64_ONLY(TEST_STRING1(OP, "q", "std", REP)) |
1455 |
|
1456 |
void test_string(void) |
1457 |
{ |
1458 |
int i;
|
1459 |
for(i = 0;i < sizeof(str_buffer); i++) |
1460 |
str_buffer[i] = i + 0x56;
|
1461 |
TEST_STRING(stos, "");
|
1462 |
TEST_STRING(stos, "rep ");
|
1463 |
TEST_STRING(lods, ""); /* to verify stos */ |
1464 |
TEST_STRING(lods, "rep ");
|
1465 |
TEST_STRING(movs, "");
|
1466 |
TEST_STRING(movs, "rep ");
|
1467 |
TEST_STRING(lods, ""); /* to verify stos */ |
1468 |
|
1469 |
/* XXX: better tests */
|
1470 |
TEST_STRING(scas, "");
|
1471 |
TEST_STRING(scas, "repz ");
|
1472 |
TEST_STRING(scas, "repnz ");
|
1473 |
TEST_STRING(cmps, "");
|
1474 |
TEST_STRING(cmps, "repz ");
|
1475 |
TEST_STRING(cmps, "repnz ");
|
1476 |
} |
1477 |
|
1478 |
#ifdef TEST_VM86
|
1479 |
/* VM86 test */
|
1480 |
|
1481 |
static inline void set_bit(uint8_t *a, unsigned int bit) |
1482 |
{ |
1483 |
a[bit / 8] |= (1 << (bit % 8)); |
1484 |
} |
1485 |
|
1486 |
static inline uint8_t *seg_to_linear(unsigned int seg, unsigned int reg) |
1487 |
{ |
1488 |
return (uint8_t *)((seg << 4) + (reg & 0xffff)); |
1489 |
} |
1490 |
|
1491 |
static inline void pushw(struct vm86_regs *r, int val) |
1492 |
{ |
1493 |
r->esp = (r->esp & ~0xffff) | ((r->esp - 2) & 0xffff); |
1494 |
*(uint16_t *)seg_to_linear(r->ss, r->esp) = val; |
1495 |
} |
1496 |
|
1497 |
#undef __syscall_return
|
1498 |
#define __syscall_return(type, res) \
|
1499 |
do { \
|
1500 |
return (type) (res); \
|
1501 |
} while (0) |
1502 |
|
1503 |
_syscall2(int, vm86, int, func, struct vm86plus_struct *, v86) |
1504 |
|
1505 |
extern char vm86_code_start; |
1506 |
extern char vm86_code_end; |
1507 |
|
1508 |
#define VM86_CODE_CS 0x100 |
1509 |
#define VM86_CODE_IP 0x100 |
1510 |
|
1511 |
void test_vm86(void) |
1512 |
{ |
1513 |
struct vm86plus_struct ctx;
|
1514 |
struct vm86_regs *r;
|
1515 |
uint8_t *vm86_mem; |
1516 |
int seg, ret;
|
1517 |
|
1518 |
vm86_mem = mmap((void *)0x00000000, 0x110000, |
1519 |
PROT_WRITE | PROT_READ | PROT_EXEC, |
1520 |
MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0); |
1521 |
if (vm86_mem == MAP_FAILED) {
|
1522 |
printf("ERROR: could not map vm86 memory");
|
1523 |
return;
|
1524 |
} |
1525 |
memset(&ctx, 0, sizeof(ctx)); |
1526 |
|
1527 |
/* init basic registers */
|
1528 |
r = &ctx.regs; |
1529 |
r->eip = VM86_CODE_IP; |
1530 |
r->esp = 0xfffe;
|
1531 |
seg = VM86_CODE_CS; |
1532 |
r->cs = seg; |
1533 |
r->ss = seg; |
1534 |
r->ds = seg; |
1535 |
r->es = seg; |
1536 |
r->fs = seg; |
1537 |
r->gs = seg; |
1538 |
r->eflags = VIF_MASK; |
1539 |
|
1540 |
/* move code to proper address. We use the same layout as a .com
|
1541 |
dos program. */
|
1542 |
memcpy(vm86_mem + (VM86_CODE_CS << 4) + VM86_CODE_IP,
|
1543 |
&vm86_code_start, &vm86_code_end - &vm86_code_start); |
1544 |
|
1545 |
/* mark int 0x21 as being emulated */
|
1546 |
set_bit((uint8_t *)&ctx.int_revectored, 0x21);
|
1547 |
|
1548 |
for(;;) {
|
1549 |
ret = vm86(VM86_ENTER, &ctx); |
1550 |
switch(VM86_TYPE(ret)) {
|
1551 |
case VM86_INTx:
|
1552 |
{ |
1553 |
int int_num, ah, v;
|
1554 |
|
1555 |
int_num = VM86_ARG(ret); |
1556 |
if (int_num != 0x21) |
1557 |
goto unknown_int;
|
1558 |
ah = (r->eax >> 8) & 0xff; |
1559 |
switch(ah) {
|
1560 |
case 0x00: /* exit */ |
1561 |
goto the_end;
|
1562 |
case 0x02: /* write char */ |
1563 |
{ |
1564 |
uint8_t c = r->edx; |
1565 |
putchar(c); |
1566 |
} |
1567 |
break;
|
1568 |
case 0x09: /* write string */ |
1569 |
{ |
1570 |
uint8_t c, *ptr; |
1571 |
ptr = seg_to_linear(r->ds, r->edx); |
1572 |
for(;;) {
|
1573 |
c = *ptr++; |
1574 |
if (c == '$') |
1575 |
break;
|
1576 |
putchar(c); |
1577 |
} |
1578 |
r->eax = (r->eax & ~0xff) | '$'; |
1579 |
} |
1580 |
break;
|
1581 |
case 0xff: /* extension: write eflags number in edx */ |
1582 |
v = (int)r->edx;
|
1583 |
#ifndef LINUX_VM86_IOPL_FIX
|
1584 |
v &= ~0x3000;
|
1585 |
#endif
|
1586 |
printf("%08x\n", v);
|
1587 |
break;
|
1588 |
default:
|
1589 |
unknown_int:
|
1590 |
printf("unsupported int 0x%02x\n", int_num);
|
1591 |
goto the_end;
|
1592 |
} |
1593 |
} |
1594 |
break;
|
1595 |
case VM86_SIGNAL:
|
1596 |
/* a signal came, we just ignore that */
|
1597 |
break;
|
1598 |
case VM86_STI:
|
1599 |
break;
|
1600 |
default:
|
1601 |
printf("ERROR: unhandled vm86 return code (0x%x)\n", ret);
|
1602 |
goto the_end;
|
1603 |
} |
1604 |
} |
1605 |
the_end:
|
1606 |
printf("VM86 end\n");
|
1607 |
munmap(vm86_mem, 0x110000);
|
1608 |
} |
1609 |
#endif
|
1610 |
|
1611 |
/* exception tests */
|
1612 |
#if defined(__i386__) && !defined(REG_EAX)
|
1613 |
#define REG_EAX EAX
|
1614 |
#define REG_EBX EBX
|
1615 |
#define REG_ECX ECX
|
1616 |
#define REG_EDX EDX
|
1617 |
#define REG_ESI ESI
|
1618 |
#define REG_EDI EDI
|
1619 |
#define REG_EBP EBP
|
1620 |
#define REG_ESP ESP
|
1621 |
#define REG_EIP EIP
|
1622 |
#define REG_EFL EFL
|
1623 |
#define REG_TRAPNO TRAPNO
|
1624 |
#define REG_ERR ERR
|
1625 |
#endif
|
1626 |
|
1627 |
#if defined(__x86_64__)
|
1628 |
#define REG_EIP REG_RIP
|
1629 |
#endif
|
1630 |
|
1631 |
jmp_buf jmp_env; |
1632 |
int v1;
|
1633 |
int tab[2]; |
1634 |
|
1635 |
void sig_handler(int sig, siginfo_t *info, void *puc) |
1636 |
{ |
1637 |
struct ucontext *uc = puc;
|
1638 |
|
1639 |
printf("si_signo=%d si_errno=%d si_code=%d",
|
1640 |
info->si_signo, info->si_errno, info->si_code); |
1641 |
printf(" si_addr=0x%08lx",
|
1642 |
(unsigned long)info->si_addr); |
1643 |
printf("\n");
|
1644 |
|
1645 |
printf("trapno=" FMTLX " err=" FMTLX, |
1646 |
(long)uc->uc_mcontext.gregs[REG_TRAPNO],
|
1647 |
(long)uc->uc_mcontext.gregs[REG_ERR]);
|
1648 |
printf(" EIP=" FMTLX, (long)uc->uc_mcontext.gregs[REG_EIP]); |
1649 |
printf("\n");
|
1650 |
longjmp(jmp_env, 1);
|
1651 |
} |
1652 |
|
1653 |
void test_exceptions(void) |
1654 |
{ |
1655 |
struct sigaction act;
|
1656 |
volatile int val; |
1657 |
|
1658 |
act.sa_sigaction = sig_handler; |
1659 |
sigemptyset(&act.sa_mask); |
1660 |
act.sa_flags = SA_SIGINFO | SA_NODEFER; |
1661 |
sigaction(SIGFPE, &act, NULL);
|
1662 |
sigaction(SIGILL, &act, NULL);
|
1663 |
sigaction(SIGSEGV, &act, NULL);
|
1664 |
sigaction(SIGBUS, &act, NULL);
|
1665 |
sigaction(SIGTRAP, &act, NULL);
|
1666 |
|
1667 |
/* test division by zero reporting */
|
1668 |
printf("DIVZ exception:\n");
|
1669 |
if (setjmp(jmp_env) == 0) { |
1670 |
/* now divide by zero */
|
1671 |
v1 = 0;
|
1672 |
v1 = 2 / v1;
|
1673 |
} |
1674 |
|
1675 |
#if !defined(__x86_64__)
|
1676 |
printf("BOUND exception:\n");
|
1677 |
if (setjmp(jmp_env) == 0) { |
1678 |
/* bound exception */
|
1679 |
tab[0] = 1; |
1680 |
tab[1] = 10; |
1681 |
asm volatile ("bound %0, %1" : : "r" (11), "m" (tab[0])); |
1682 |
} |
1683 |
#endif
|
1684 |
|
1685 |
#ifdef TEST_SEGS
|
1686 |
printf("segment exceptions:\n");
|
1687 |
if (setjmp(jmp_env) == 0) { |
1688 |
/* load an invalid segment */
|
1689 |
asm volatile ("movl %0, %%fs" : : "r" ((0x1234 << 3) | 1)); |
1690 |
} |
1691 |
if (setjmp(jmp_env) == 0) { |
1692 |
/* null data segment is valid */
|
1693 |
asm volatile ("movl %0, %%fs" : : "r" (3)); |
1694 |
/* null stack segment */
|
1695 |
asm volatile ("movl %0, %%ss" : : "r" (3)); |
1696 |
} |
1697 |
|
1698 |
{ |
1699 |
struct modify_ldt_ldt_s ldt;
|
1700 |
ldt.entry_number = 1;
|
1701 |
ldt.base_addr = (unsigned long)&seg_data1; |
1702 |
ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12; |
1703 |
ldt.seg_32bit = 1;
|
1704 |
ldt.contents = MODIFY_LDT_CONTENTS_DATA; |
1705 |
ldt.read_exec_only = 0;
|
1706 |
ldt.limit_in_pages = 1;
|
1707 |
ldt.seg_not_present = 1;
|
1708 |
ldt.useable = 1;
|
1709 |
modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
1710 |
|
1711 |
if (setjmp(jmp_env) == 0) { |
1712 |
/* segment not present */
|
1713 |
asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1))); |
1714 |
} |
1715 |
} |
1716 |
#endif
|
1717 |
|
1718 |
/* test SEGV reporting */
|
1719 |
printf("PF exception:\n");
|
1720 |
if (setjmp(jmp_env) == 0) { |
1721 |
val = 1;
|
1722 |
/* we add a nop to test a weird PC retrieval case */
|
1723 |
asm volatile ("nop"); |
1724 |
/* now store in an invalid address */
|
1725 |
*(char *)0x1234 = 1; |
1726 |
} |
1727 |
|
1728 |
/* test SEGV reporting */
|
1729 |
printf("PF exception:\n");
|
1730 |
if (setjmp(jmp_env) == 0) { |
1731 |
val = 1;
|
1732 |
/* read from an invalid address */
|
1733 |
v1 = *(char *)0x1234; |
1734 |
} |
1735 |
|
1736 |
/* test illegal instruction reporting */
|
1737 |
printf("UD2 exception:\n");
|
1738 |
if (setjmp(jmp_env) == 0) { |
1739 |
/* now execute an invalid instruction */
|
1740 |
asm volatile("ud2"); |
1741 |
} |
1742 |
printf("lock nop exception:\n");
|
1743 |
if (setjmp(jmp_env) == 0) { |
1744 |
/* now execute an invalid instruction */
|
1745 |
asm volatile("lock nop"); |
1746 |
} |
1747 |
|
1748 |
printf("INT exception:\n");
|
1749 |
if (setjmp(jmp_env) == 0) { |
1750 |
asm volatile ("int $0xfd"); |
1751 |
} |
1752 |
if (setjmp(jmp_env) == 0) { |
1753 |
asm volatile ("int $0x01"); |
1754 |
} |
1755 |
if (setjmp(jmp_env) == 0) { |
1756 |
asm volatile (".byte 0xcd, 0x03"); |
1757 |
} |
1758 |
if (setjmp(jmp_env) == 0) { |
1759 |
asm volatile ("int $0x04"); |
1760 |
} |
1761 |
if (setjmp(jmp_env) == 0) { |
1762 |
asm volatile ("int $0x05"); |
1763 |
} |
1764 |
|
1765 |
printf("INT3 exception:\n");
|
1766 |
if (setjmp(jmp_env) == 0) { |
1767 |
asm volatile ("int3"); |
1768 |
} |
1769 |
|
1770 |
printf("CLI exception:\n");
|
1771 |
if (setjmp(jmp_env) == 0) { |
1772 |
asm volatile ("cli"); |
1773 |
} |
1774 |
|
1775 |
printf("STI exception:\n");
|
1776 |
if (setjmp(jmp_env) == 0) { |
1777 |
asm volatile ("cli"); |
1778 |
} |
1779 |
|
1780 |
#if !defined(__x86_64__)
|
1781 |
printf("INTO exception:\n");
|
1782 |
if (setjmp(jmp_env) == 0) { |
1783 |
/* overflow exception */
|
1784 |
asm volatile ("addl $1, %0 ; into" : : "r" (0x7fffffff)); |
1785 |
} |
1786 |
#endif
|
1787 |
|
1788 |
printf("OUTB exception:\n");
|
1789 |
if (setjmp(jmp_env) == 0) { |
1790 |
asm volatile ("outb %%al, %%dx" : : "d" (0x4321), "a" (0)); |
1791 |
} |
1792 |
|
1793 |
printf("INB exception:\n");
|
1794 |
if (setjmp(jmp_env) == 0) { |
1795 |
asm volatile ("inb %%dx, %%al" : "=a" (val) : "d" (0x4321)); |
1796 |
} |
1797 |
|
1798 |
printf("REP OUTSB exception:\n");
|
1799 |
if (setjmp(jmp_env) == 0) { |
1800 |
asm volatile ("rep outsb" : : "d" (0x4321), "S" (tab), "c" (1)); |
1801 |
} |
1802 |
|
1803 |
printf("REP INSB exception:\n");
|
1804 |
if (setjmp(jmp_env) == 0) { |
1805 |
asm volatile ("rep insb" : : "d" (0x4321), "D" (tab), "c" (1)); |
1806 |
} |
1807 |
|
1808 |
printf("HLT exception:\n");
|
1809 |
if (setjmp(jmp_env) == 0) { |
1810 |
asm volatile ("hlt"); |
1811 |
} |
1812 |
|
1813 |
printf("single step exception:\n");
|
1814 |
val = 0;
|
1815 |
if (setjmp(jmp_env) == 0) { |
1816 |
asm volatile ("pushf\n" |
1817 |
"orl $0x00100, (%%esp)\n"
|
1818 |
"popf\n"
|
1819 |
"movl $0xabcd, %0\n"
|
1820 |
"movl $0x0, %0\n" : "=m" (val) : : "cc", "memory"); |
1821 |
} |
1822 |
printf("val=0x%x\n", val);
|
1823 |
} |
1824 |
|
1825 |
#if !defined(__x86_64__)
|
1826 |
/* specific precise single step test */
|
1827 |
void sig_trap_handler(int sig, siginfo_t *info, void *puc) |
1828 |
{ |
1829 |
struct ucontext *uc = puc;
|
1830 |
printf("EIP=" FMTLX "\n", (long)uc->uc_mcontext.gregs[REG_EIP]); |
1831 |
} |
1832 |
|
1833 |
const uint8_t sstep_buf1[4] = { 1, 2, 3, 4}; |
1834 |
uint8_t sstep_buf2[4];
|
1835 |
|
1836 |
void test_single_step(void) |
1837 |
{ |
1838 |
struct sigaction act;
|
1839 |
volatile int val; |
1840 |
int i;
|
1841 |
|
1842 |
val = 0;
|
1843 |
act.sa_sigaction = sig_trap_handler; |
1844 |
sigemptyset(&act.sa_mask); |
1845 |
act.sa_flags = SA_SIGINFO; |
1846 |
sigaction(SIGTRAP, &act, NULL);
|
1847 |
asm volatile ("pushf\n" |
1848 |
"orl $0x00100, (%%esp)\n"
|
1849 |
"popf\n"
|
1850 |
"movl $0xabcd, %0\n"
|
1851 |
|
1852 |
/* jmp test */
|
1853 |
"movl $3, %%ecx\n"
|
1854 |
"1:\n"
|
1855 |
"addl $1, %0\n"
|
1856 |
"decl %%ecx\n"
|
1857 |
"jnz 1b\n"
|
1858 |
|
1859 |
/* movsb: the single step should stop at each movsb iteration */
|
1860 |
"movl $sstep_buf1, %%esi\n"
|
1861 |
"movl $sstep_buf2, %%edi\n"
|
1862 |
"movl $0, %%ecx\n"
|
1863 |
"rep movsb\n"
|
1864 |
"movl $3, %%ecx\n"
|
1865 |
"rep movsb\n"
|
1866 |
"movl $1, %%ecx\n"
|
1867 |
"rep movsb\n"
|
1868 |
|
1869 |
/* cmpsb: the single step should stop at each cmpsb iteration */
|
1870 |
"movl $sstep_buf1, %%esi\n"
|
1871 |
"movl $sstep_buf2, %%edi\n"
|
1872 |
"movl $0, %%ecx\n"
|
1873 |
"rep cmpsb\n"
|
1874 |
"movl $4, %%ecx\n"
|
1875 |
"rep cmpsb\n"
|
1876 |
|
1877 |
/* getpid() syscall: single step should skip one
|
1878 |
instruction */
|
1879 |
"movl $20, %%eax\n"
|
1880 |
"int $0x80\n"
|
1881 |
"movl $0, %%eax\n"
|
1882 |
|
1883 |
/* when modifying SS, trace is not done on the next
|
1884 |
instruction */
|
1885 |
"movl %%ss, %%ecx\n"
|
1886 |
"movl %%ecx, %%ss\n"
|
1887 |
"addl $1, %0\n"
|
1888 |
"movl $1, %%eax\n"
|
1889 |
"movl %%ecx, %%ss\n"
|
1890 |
"jmp 1f\n"
|
1891 |
"addl $1, %0\n"
|
1892 |
"1:\n"
|
1893 |
"movl $1, %%eax\n"
|
1894 |
"pushl %%ecx\n"
|
1895 |
"popl %%ss\n"
|
1896 |
"addl $1, %0\n"
|
1897 |
"movl $1, %%eax\n"
|
1898 |
|
1899 |
"pushf\n"
|
1900 |
"andl $~0x00100, (%%esp)\n"
|
1901 |
"popf\n"
|
1902 |
: "=m" (val)
|
1903 |
: |
1904 |
: "cc", "memory", "eax", "ecx", "esi", "edi"); |
1905 |
printf("val=%d\n", val);
|
1906 |
for(i = 0; i < 4; i++) |
1907 |
printf("sstep_buf2[%d] = %d\n", i, sstep_buf2[i]);
|
1908 |
} |
1909 |
|
1910 |
/* self modifying code test */
|
1911 |
uint8_t code[] = { |
1912 |
0xb8, 0x1, 0x00, 0x00, 0x00, /* movl $1, %eax */ |
1913 |
0xc3, /* ret */ |
1914 |
}; |
1915 |
|
1916 |
asm("smc_code2:\n" |
1917 |
"movl 4(%esp), %eax\n"
|
1918 |
"movl %eax, smc_patch_addr2 + 1\n"
|
1919 |
"nop\n"
|
1920 |
"nop\n"
|
1921 |
"nop\n"
|
1922 |
"nop\n"
|
1923 |
"nop\n"
|
1924 |
"nop\n"
|
1925 |
"nop\n"
|
1926 |
"nop\n"
|
1927 |
"smc_patch_addr2:\n"
|
1928 |
"movl $1, %eax\n"
|
1929 |
"ret\n");
|
1930 |
|
1931 |
typedef int FuncType(void); |
1932 |
extern int smc_code2(int); |
1933 |
void test_self_modifying_code(void) |
1934 |
{ |
1935 |
int i;
|
1936 |
|
1937 |
printf("self modifying code:\n");
|
1938 |
printf("func1 = 0x%x\n", ((FuncType *)code)());
|
1939 |
for(i = 2; i <= 4; i++) { |
1940 |
code[1] = i;
|
1941 |
printf("func%d = 0x%x\n", i, ((FuncType *)code)());
|
1942 |
} |
1943 |
|
1944 |
/* more difficult test : the modified code is just after the
|
1945 |
modifying instruction. It is forbidden in Intel specs, but it
|
1946 |
is used by old DOS programs */
|
1947 |
for(i = 2; i <= 4; i++) { |
1948 |
printf("smc_code2(%d) = %d\n", i, smc_code2(i));
|
1949 |
} |
1950 |
} |
1951 |
#endif
|
1952 |
|
1953 |
long enter_stack[4096]; |
1954 |
|
1955 |
#if defined(__x86_64__)
|
1956 |
#define RSP "%%rsp" |
1957 |
#define RBP "%%rbp" |
1958 |
#else
|
1959 |
#define RSP "%%esp" |
1960 |
#define RBP "%%ebp" |
1961 |
#endif
|
1962 |
|
1963 |
#define TEST_ENTER(size, stack_type, level)\
|
1964 |
{\ |
1965 |
long esp_save, esp_val, ebp_val, ebp_save, i;\
|
1966 |
stack_type *ptr, *stack_end, *stack_ptr;\ |
1967 |
memset(enter_stack, 0, sizeof(enter_stack));\ |
1968 |
stack_end = stack_ptr = (stack_type *)(enter_stack + 4096);\
|
1969 |
ebp_val = (long)stack_ptr;\
|
1970 |
for(i=1;i<=32;i++)\ |
1971 |
*--stack_ptr = i;\ |
1972 |
esp_val = (long)stack_ptr;\
|
1973 |
asm("mov " RSP ", %[esp_save]\n"\ |
1974 |
"mov " RBP ", %[ebp_save]\n"\ |
1975 |
"mov %[esp_val], " RSP "\n"\ |
1976 |
"mov %[ebp_val], " RBP "\n"\ |
1977 |
"enter" size " $8, $" #level "\n"\ |
1978 |
"mov " RSP ", %[esp_val]\n"\ |
1979 |
"mov " RBP ", %[ebp_val]\n"\ |
1980 |
"mov %[esp_save], " RSP "\n"\ |
1981 |
"mov %[ebp_save], " RBP "\n"\ |
1982 |
: [esp_save] "=r" (esp_save),\
|
1983 |
[ebp_save] "=r" (ebp_save),\
|
1984 |
[esp_val] "=r" (esp_val),\
|
1985 |
[ebp_val] "=r" (ebp_val)\
|
1986 |
: "[esp_val]" (esp_val),\
|
1987 |
"[ebp_val]" (ebp_val));\
|
1988 |
printf("level=%d:\n", level);\
|
1989 |
printf("esp_val=" FMTLX "\n", esp_val - (long)stack_end);\ |
1990 |
printf("ebp_val=" FMTLX "\n", ebp_val - (long)stack_end);\ |
1991 |
for(ptr = (stack_type *)esp_val; ptr < stack_end; ptr++)\
|
1992 |
printf(FMTLX "\n", (long)ptr[0]);\ |
1993 |
} |
1994 |
|
1995 |
static void test_enter(void) |
1996 |
{ |
1997 |
#if defined(__x86_64__)
|
1998 |
TEST_ENTER("q", uint64_t, 0); |
1999 |
TEST_ENTER("q", uint64_t, 1); |
2000 |
TEST_ENTER("q", uint64_t, 2); |
2001 |
TEST_ENTER("q", uint64_t, 31); |
2002 |
#else
|
2003 |
TEST_ENTER("l", uint32_t, 0); |
2004 |
TEST_ENTER("l", uint32_t, 1); |
2005 |
TEST_ENTER("l", uint32_t, 2); |
2006 |
TEST_ENTER("l", uint32_t, 31); |
2007 |
#endif
|
2008 |
|
2009 |
TEST_ENTER("w", uint16_t, 0); |
2010 |
TEST_ENTER("w", uint16_t, 1); |
2011 |
TEST_ENTER("w", uint16_t, 2); |
2012 |
TEST_ENTER("w", uint16_t, 31); |
2013 |
} |
2014 |
|
2015 |
#ifdef TEST_SSE
|
2016 |
|
2017 |
typedef int __m64 __attribute__ ((__mode__ (__V2SI__))); |
2018 |
typedef int __m128 __attribute__ ((__mode__(__V4SF__))); |
2019 |
|
2020 |
typedef union { |
2021 |
double d[2]; |
2022 |
float s[4]; |
2023 |
uint32_t l[4];
|
2024 |
uint64_t q[2];
|
2025 |
__m128 dq; |
2026 |
} XMMReg; |
2027 |
|
2028 |
static uint64_t __attribute__((aligned(16))) test_values[4][2] = { |
2029 |
{ 0x456723c698694873, 0xdc515cff944a58ec }, |
2030 |
{ 0x1f297ccd58bad7ab, 0x41f21efba9e3e146 }, |
2031 |
{ 0x007c62c2085427f8, 0x231be9e8cde7438d }, |
2032 |
{ 0x0f76255a085427f8, 0xc233e9e8c4c9439a }, |
2033 |
}; |
2034 |
|
2035 |
#define SSE_OP(op)\
|
2036 |
{\ |
2037 |
asm volatile (#op " %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\ |
2038 |
printf("%-9s: a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X " r=" FMT64X "" FMT64X "\n",\ |
2039 |
#op,\
|
2040 |
a.q[1], a.q[0],\ |
2041 |
b.q[1], b.q[0],\ |
2042 |
r.q[1], r.q[0]);\ |
2043 |
} |
2044 |
|
2045 |
#define SSE_OP2(op)\
|
2046 |
{\ |
2047 |
int i;\
|
2048 |
for(i=0;i<2;i++) {\ |
2049 |
a.q[0] = test_values[2*i][0];\ |
2050 |
a.q[1] = test_values[2*i][1];\ |
2051 |
b.q[0] = test_values[2*i+1][0];\ |
2052 |
b.q[1] = test_values[2*i+1][1];\ |
2053 |
SSE_OP(op);\ |
2054 |
}\ |
2055 |
} |
2056 |
|
2057 |
#define MMX_OP2(op)\
|
2058 |
{\ |
2059 |
int i;\
|
2060 |
for(i=0;i<2;i++) {\ |
2061 |
a.q[0] = test_values[2*i][0];\ |
2062 |
b.q[0] = test_values[2*i+1][0];\ |
2063 |
asm volatile (#op " %2, %0" : "=y" (r.q[0]) : "0" (a.q[0]), "y" (b.q[0]));\ |
2064 |
printf("%-9s: a=" FMT64X " b=" FMT64X " r=" FMT64X "\n",\ |
2065 |
#op,\
|
2066 |
a.q[0],\
|
2067 |
b.q[0],\
|
2068 |
r.q[0]);\
|
2069 |
}\ |
2070 |
SSE_OP2(op);\ |
2071 |
} |
2072 |
|
2073 |
#define SHUF_OP(op, ib)\
|
2074 |
{\ |
2075 |
a.q[0] = test_values[0][0];\ |
2076 |
a.q[1] = test_values[0][1];\ |
2077 |
b.q[0] = test_values[1][0];\ |
2078 |
b.q[1] = test_values[1][1];\ |
2079 |
asm volatile (#op " $" #ib ", %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\ |
2080 |
printf("%-9s: a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X " ib=%02x r=" FMT64X "" FMT64X "\n",\ |
2081 |
#op,\
|
2082 |
a.q[1], a.q[0],\ |
2083 |
b.q[1], b.q[0],\ |
2084 |
ib,\ |
2085 |
r.q[1], r.q[0]);\ |
2086 |
} |
2087 |
|
2088 |
#define PSHUF_OP(op, ib)\
|
2089 |
{\ |
2090 |
int i;\
|
2091 |
for(i=0;i<2;i++) {\ |
2092 |
a.q[0] = test_values[2*i][0];\ |
2093 |
a.q[1] = test_values[2*i][1];\ |
2094 |
asm volatile (#op " $" #ib ", %1, %0" : "=x" (r.dq) : "x" (a.dq));\ |
2095 |
printf("%-9s: a=" FMT64X "" FMT64X " ib=%02x r=" FMT64X "" FMT64X "\n",\ |
2096 |
#op,\
|
2097 |
a.q[1], a.q[0],\ |
2098 |
ib,\ |
2099 |
r.q[1], r.q[0]);\ |
2100 |
}\ |
2101 |
} |
2102 |
|
2103 |
#define SHIFT_IM(op, ib)\
|
2104 |
{\ |
2105 |
int i;\
|
2106 |
for(i=0;i<2;i++) {\ |
2107 |
a.q[0] = test_values[2*i][0];\ |
2108 |
a.q[1] = test_values[2*i][1];\ |
2109 |
asm volatile (#op " $" #ib ", %0" : "=x" (r.dq) : "0" (a.dq));\ |
2110 |
printf("%-9s: a=" FMT64X "" FMT64X " ib=%02x r=" FMT64X "" FMT64X "\n",\ |
2111 |
#op,\
|
2112 |
a.q[1], a.q[0],\ |
2113 |
ib,\ |
2114 |
r.q[1], r.q[0]);\ |
2115 |
}\ |
2116 |
} |
2117 |
|
2118 |
#define SHIFT_OP(op, ib)\
|
2119 |
{\ |
2120 |
int i;\
|
2121 |
SHIFT_IM(op, ib);\ |
2122 |
for(i=0;i<2;i++) {\ |
2123 |
a.q[0] = test_values[2*i][0];\ |
2124 |
a.q[1] = test_values[2*i][1];\ |
2125 |
b.q[0] = ib;\
|
2126 |
b.q[1] = 0;\ |
2127 |
asm volatile (#op " %2, %0" : "=x" (r.dq) : "0" (a.dq), "x" (b.dq));\ |
2128 |
printf("%-9s: a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X " r=" FMT64X "" FMT64X "\n",\ |
2129 |
#op,\
|
2130 |
a.q[1], a.q[0],\ |
2131 |
b.q[1], b.q[0],\ |
2132 |
r.q[1], r.q[0]);\ |
2133 |
}\ |
2134 |
} |
2135 |
|
2136 |
#define MOVMSK(op)\
|
2137 |
{\ |
2138 |
int i, reg;\
|
2139 |
for(i=0;i<2;i++) {\ |
2140 |
a.q[0] = test_values[2*i][0];\ |
2141 |
a.q[1] = test_values[2*i][1];\ |
2142 |
asm volatile (#op " %1, %0" : "=r" (reg) : "x" (a.dq));\ |
2143 |
printf("%-9s: a=" FMT64X "" FMT64X " r=%08x\n",\ |
2144 |
#op,\
|
2145 |
a.q[1], a.q[0],\ |
2146 |
reg);\ |
2147 |
}\ |
2148 |
} |
2149 |
|
2150 |
#define SSE_OPS(a) \
|
2151 |
SSE_OP(a ## ps);\ |
2152 |
SSE_OP(a ## ss); |
2153 |
|
2154 |
#define SSE_OPD(a) \
|
2155 |
SSE_OP(a ## pd);\ |
2156 |
SSE_OP(a ## sd); |
2157 |
|
2158 |
#define SSE_COMI(op, field)\
|
2159 |
{\ |
2160 |
unsigned int eflags;\ |
2161 |
XMMReg a, b;\ |
2162 |
a.field[0] = a1;\
|
2163 |
b.field[0] = b1;\
|
2164 |
asm volatile (#op " %2, %1\n"\ |
2165 |
"pushf\n"\
|
2166 |
"pop %0\n"\
|
2167 |
: "=m" (eflags)\
|
2168 |
: "x" (a.dq), "x" (b.dq));\ |
2169 |
printf("%-9s: a=%f b=%f cc=%04x\n",\
|
2170 |
#op, a1, b1,\
|
2171 |
eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));\ |
2172 |
} |
2173 |
|
2174 |
void test_sse_comi(double a1, double b1) |
2175 |
{ |
2176 |
SSE_COMI(ucomiss, s); |
2177 |
SSE_COMI(ucomisd, d); |
2178 |
SSE_COMI(comiss, s); |
2179 |
SSE_COMI(comisd, d); |
2180 |
} |
2181 |
|
2182 |
#define CVT_OP_XMM(op)\
|
2183 |
{\ |
2184 |
asm volatile (#op " %1, %0" : "=x" (r.dq) : "x" (a.dq));\ |
2185 |
printf("%-9s: a=" FMT64X "" FMT64X " r=" FMT64X "" FMT64X "\n",\ |
2186 |
#op,\
|
2187 |
a.q[1], a.q[0],\ |
2188 |
r.q[1], r.q[0]);\ |
2189 |
} |
2190 |
|
2191 |
#define CVT_OP_XMM2MMX(op)\
|
2192 |
{\ |
2193 |
asm volatile (#op " %1, %0" : "=y" (r.q[0]) : "x" (a.dq));\ |
2194 |
printf("%-9s: a=" FMT64X "" FMT64X " r=" FMT64X "\n",\ |
2195 |
#op,\
|
2196 |
a.q[1], a.q[0],\ |
2197 |
r.q[0]);\
|
2198 |
} |
2199 |
|
2200 |
#define CVT_OP_MMX2XMM(op)\
|
2201 |
{\ |
2202 |
asm volatile (#op " %1, %0" : "=x" (r.dq) : "y" (a.q[0]));\ |
2203 |
printf("%-9s: a=" FMT64X " r=" FMT64X "" FMT64X "\n",\ |
2204 |
#op,\
|
2205 |
a.q[0],\
|
2206 |
r.q[1], r.q[0]);\ |
2207 |
} |
2208 |
|
2209 |
#define CVT_OP_REG2XMM(op)\
|
2210 |
{\ |
2211 |
asm volatile (#op " %1, %0" : "=x" (r.dq) : "r" (a.l[0]));\ |
2212 |
printf("%-9s: a=%08x r=" FMT64X "" FMT64X "\n",\ |
2213 |
#op,\
|
2214 |
a.l[0],\
|
2215 |
r.q[1], r.q[0]);\ |
2216 |
} |
2217 |
|
2218 |
#define CVT_OP_XMM2REG(op)\
|
2219 |
{\ |
2220 |
asm volatile (#op " %1, %0" : "=r" (r.l[0]) : "x" (a.dq));\ |
2221 |
printf("%-9s: a=" FMT64X "" FMT64X " r=%08x\n",\ |
2222 |
#op,\
|
2223 |
a.q[1], a.q[0],\ |
2224 |
r.l[0]);\
|
2225 |
} |
2226 |
|
2227 |
struct fpxstate {
|
2228 |
uint16_t fpuc; |
2229 |
uint16_t fpus; |
2230 |
uint16_t fptag; |
2231 |
uint16_t fop; |
2232 |
uint32_t fpuip; |
2233 |
uint16_t cs_sel; |
2234 |
uint16_t dummy0; |
2235 |
uint32_t fpudp; |
2236 |
uint16_t ds_sel; |
2237 |
uint16_t dummy1; |
2238 |
uint32_t mxcsr; |
2239 |
uint32_t mxcsr_mask; |
2240 |
uint8_t fpregs1[8 * 16]; |
2241 |
uint8_t xmm_regs[8 * 16]; |
2242 |
uint8_t dummy2[224];
|
2243 |
}; |
2244 |
|
2245 |
static struct fpxstate fpx_state __attribute__((aligned(16))); |
2246 |
static struct fpxstate fpx_state2 __attribute__((aligned(16))); |
2247 |
|
2248 |
void test_fxsave(void) |
2249 |
{ |
2250 |
struct fpxstate *fp = &fpx_state;
|
2251 |
struct fpxstate *fp2 = &fpx_state2;
|
2252 |
int i, nb_xmm;
|
2253 |
XMMReg a, b; |
2254 |
a.q[0] = test_values[0][0]; |
2255 |
a.q[1] = test_values[0][1]; |
2256 |
b.q[0] = test_values[1][0]; |
2257 |
b.q[1] = test_values[1][1]; |
2258 |
|
2259 |
asm("movdqa %2, %%xmm0\n" |
2260 |
"movdqa %3, %%xmm7\n"
|
2261 |
#if defined(__x86_64__)
|
2262 |
"movdqa %2, %%xmm15\n"
|
2263 |
#endif
|
2264 |
" fld1\n"
|
2265 |
" fldpi\n"
|
2266 |
" fldln2\n"
|
2267 |
" fxsave %0\n"
|
2268 |
" fxrstor %0\n"
|
2269 |
" fxsave %1\n"
|
2270 |
" fninit\n"
|
2271 |
: "=m" (*(uint32_t *)fp2), "=m" (*(uint32_t *)fp) |
2272 |
: "m" (a), "m" (b)); |
2273 |
printf("fpuc=%04x\n", fp->fpuc);
|
2274 |
printf("fpus=%04x\n", fp->fpus);
|
2275 |
printf("fptag=%04x\n", fp->fptag);
|
2276 |
for(i = 0; i < 3; i++) { |
2277 |
printf("ST%d: " FMT64X " %04x\n", |
2278 |
i, |
2279 |
*(uint64_t *)&fp->fpregs1[i * 16],
|
2280 |
*(uint16_t *)&fp->fpregs1[i * 16 + 8]); |
2281 |
} |
2282 |
printf("mxcsr=%08x\n", fp->mxcsr & 0x1f80); |
2283 |
#if defined(__x86_64__)
|
2284 |
nb_xmm = 16;
|
2285 |
#else
|
2286 |
nb_xmm = 8;
|
2287 |
#endif
|
2288 |
for(i = 0; i < nb_xmm; i++) { |
2289 |
printf("xmm%d: " FMT64X "" FMT64X "\n", |
2290 |
i, |
2291 |
*(uint64_t *)&fp->xmm_regs[i * 16],
|
2292 |
*(uint64_t *)&fp->xmm_regs[i * 16 + 8]); |
2293 |
} |
2294 |
} |
2295 |
|
2296 |
void test_sse(void) |
2297 |
{ |
2298 |
XMMReg r, a, b; |
2299 |
int i;
|
2300 |
|
2301 |
MMX_OP2(punpcklbw); |
2302 |
MMX_OP2(punpcklwd); |
2303 |
MMX_OP2(punpckldq); |
2304 |
MMX_OP2(packsswb); |
2305 |
MMX_OP2(pcmpgtb); |
2306 |
MMX_OP2(pcmpgtw); |
2307 |
MMX_OP2(pcmpgtd); |
2308 |
MMX_OP2(packuswb); |
2309 |
MMX_OP2(punpckhbw); |
2310 |
MMX_OP2(punpckhwd); |
2311 |
MMX_OP2(punpckhdq); |
2312 |
MMX_OP2(packssdw); |
2313 |
MMX_OP2(pcmpeqb); |
2314 |
MMX_OP2(pcmpeqw); |
2315 |
MMX_OP2(pcmpeqd); |
2316 |
|
2317 |
MMX_OP2(paddq); |
2318 |
MMX_OP2(pmullw); |
2319 |
MMX_OP2(psubusb); |
2320 |
MMX_OP2(psubusw); |
2321 |
MMX_OP2(pminub); |
2322 |
MMX_OP2(pand); |
2323 |
MMX_OP2(paddusb); |
2324 |
MMX_OP2(paddusw); |
2325 |
MMX_OP2(pmaxub); |
2326 |
MMX_OP2(pandn); |
2327 |
|
2328 |
MMX_OP2(pmulhuw); |
2329 |
MMX_OP2(pmulhw); |
2330 |
|
2331 |
MMX_OP2(psubsb); |
2332 |
MMX_OP2(psubsw); |
2333 |
MMX_OP2(pminsw); |
2334 |
MMX_OP2(por); |
2335 |
MMX_OP2(paddsb); |
2336 |
MMX_OP2(paddsw); |
2337 |
MMX_OP2(pmaxsw); |
2338 |
MMX_OP2(pxor); |
2339 |
MMX_OP2(pmuludq); |
2340 |
MMX_OP2(pmaddwd); |
2341 |
MMX_OP2(psadbw); |
2342 |
MMX_OP2(psubb); |
2343 |
MMX_OP2(psubw); |
2344 |
MMX_OP2(psubd); |
2345 |
MMX_OP2(psubq); |
2346 |
MMX_OP2(paddb); |
2347 |
MMX_OP2(paddw); |
2348 |
MMX_OP2(paddd); |
2349 |
|
2350 |
MMX_OP2(pavgb); |
2351 |
MMX_OP2(pavgw); |
2352 |
|
2353 |
asm volatile ("pinsrw $1, %1, %0" : "=y" (r.q[0]) : "r" (0x12345678)); |
2354 |
printf("%-9s: r=" FMT64X "\n", "pinsrw", r.q[0]); |
2355 |
|
2356 |
asm volatile ("pinsrw $5, %1, %0" : "=x" (r.dq) : "r" (0x12345678)); |
2357 |
printf("%-9s: r=" FMT64X "" FMT64X "\n", "pinsrw", r.q[1], r.q[0]); |
2358 |
|
2359 |
a.q[0] = test_values[0][0]; |
2360 |
a.q[1] = test_values[0][1]; |
2361 |
asm volatile ("pextrw $1, %1, %0" : "=r" (r.l[0]) : "y" (a.q[0])); |
2362 |
printf("%-9s: r=%08x\n", "pextrw", r.l[0]); |
2363 |
|
2364 |
asm volatile ("pextrw $5, %1, %0" : "=r" (r.l[0]) : "x" (a.dq)); |
2365 |
printf("%-9s: r=%08x\n", "pextrw", r.l[0]); |
2366 |
|
2367 |
asm volatile ("pmovmskb %1, %0" : "=r" (r.l[0]) : "y" (a.q[0])); |
2368 |
printf("%-9s: r=%08x\n", "pmovmskb", r.l[0]); |
2369 |
|
2370 |
asm volatile ("pmovmskb %1, %0" : "=r" (r.l[0]) : "x" (a.dq)); |
2371 |
printf("%-9s: r=%08x\n", "pmovmskb", r.l[0]); |
2372 |
|
2373 |
{ |
2374 |
r.q[0] = -1; |
2375 |
r.q[1] = -1; |
2376 |
|
2377 |
a.q[0] = test_values[0][0]; |
2378 |
a.q[1] = test_values[0][1]; |
2379 |
b.q[0] = test_values[1][0]; |
2380 |
b.q[1] = test_values[1][1]; |
2381 |
asm volatile("maskmovq %1, %0" : |
2382 |
: "y" (a.q[0]), "y" (b.q[0]), "D" (&r) |
2383 |
: "memory");
|
2384 |
printf("%-9s: r=" FMT64X " a=" FMT64X " b=" FMT64X "\n", |
2385 |
"maskmov",
|
2386 |
r.q[0],
|
2387 |
a.q[0],
|
2388 |
b.q[0]);
|
2389 |
asm volatile("maskmovdqu %1, %0" : |
2390 |
: "x" (a.dq), "x" (b.dq), "D" (&r) |
2391 |
: "memory");
|
2392 |
printf("%-9s: r=" FMT64X "" FMT64X " a=" FMT64X "" FMT64X " b=" FMT64X "" FMT64X "\n", |
2393 |
"maskmov",
|
2394 |
r.q[1], r.q[0], |
2395 |
a.q[1], a.q[0], |
2396 |
b.q[1], b.q[0]); |
2397 |
} |
2398 |
|
2399 |
asm volatile ("emms"); |
2400 |
|
2401 |
SSE_OP2(punpcklqdq); |
2402 |
SSE_OP2(punpckhqdq); |
2403 |
SSE_OP2(andps); |
2404 |
SSE_OP2(andpd); |
2405 |
SSE_OP2(andnps); |
2406 |
SSE_OP2(andnpd); |
2407 |
SSE_OP2(orps); |
2408 |
SSE_OP2(orpd); |
2409 |
SSE_OP2(xorps); |
2410 |
SSE_OP2(xorpd); |
2411 |
|
2412 |
SSE_OP2(unpcklps); |
2413 |
SSE_OP2(unpcklpd); |
2414 |
SSE_OP2(unpckhps); |
2415 |
SSE_OP2(unpckhpd); |
2416 |
|
2417 |
SHUF_OP(shufps, 0x78);
|
2418 |
SHUF_OP(shufpd, 0x02);
|
2419 |
|
2420 |
PSHUF_OP(pshufd, 0x78);
|
2421 |
PSHUF_OP(pshuflw, 0x78);
|
2422 |
PSHUF_OP(pshufhw, 0x78);
|
2423 |
|
2424 |
SHIFT_OP(psrlw, 7);
|
2425 |
SHIFT_OP(psrlw, 16);
|
2426 |
SHIFT_OP(psraw, 7);
|
2427 |
SHIFT_OP(psraw, 16);
|
2428 |
SHIFT_OP(psllw, 7);
|
2429 |
SHIFT_OP(psllw, 16);
|
2430 |
|
2431 |
SHIFT_OP(psrld, 7);
|
2432 |
SHIFT_OP(psrld, 32);
|
2433 |
SHIFT_OP(psrad, 7);
|
2434 |
SHIFT_OP(psrad, 32);
|
2435 |
SHIFT_OP(pslld, 7);
|
2436 |
SHIFT_OP(pslld, 32);
|
2437 |
|
2438 |
SHIFT_OP(psrlq, 7);
|
2439 |
SHIFT_OP(psrlq, 32);
|
2440 |
SHIFT_OP(psllq, 7);
|
2441 |
SHIFT_OP(psllq, 32);
|
2442 |
|
2443 |
SHIFT_IM(psrldq, 16);
|
2444 |
SHIFT_IM(psrldq, 7);
|
2445 |
SHIFT_IM(pslldq, 16);
|
2446 |
SHIFT_IM(pslldq, 7);
|
2447 |
|
2448 |
MOVMSK(movmskps); |
2449 |
MOVMSK(movmskpd); |
2450 |
|
2451 |
/* FPU specific ops */
|
2452 |
|
2453 |
{ |
2454 |
uint32_t mxcsr; |
2455 |
asm volatile("stmxcsr %0" : "=m" (mxcsr)); |
2456 |
printf("mxcsr=%08x\n", mxcsr & 0x1f80); |
2457 |
asm volatile("ldmxcsr %0" : : "m" (mxcsr)); |
2458 |
} |
2459 |
|
2460 |
test_sse_comi(2, -1); |
2461 |
test_sse_comi(2, 2); |
2462 |
test_sse_comi(2, 3); |
2463 |
test_sse_comi(2, q_nan.d);
|
2464 |
test_sse_comi(q_nan.d, -1);
|
2465 |
|
2466 |
for(i = 0; i < 2; i++) { |
2467 |
a.s[0] = 2.7; |
2468 |
a.s[1] = 3.4; |
2469 |
a.s[2] = 4; |
2470 |
a.s[3] = -6.3; |
2471 |
b.s[0] = 45.7; |
2472 |
b.s[1] = 353.4; |
2473 |
b.s[2] = 4; |
2474 |
b.s[3] = 56.3; |
2475 |
if (i == 1) { |
2476 |
a.s[0] = q_nan.d;
|
2477 |
b.s[3] = q_nan.d;
|
2478 |
} |
2479 |
|
2480 |
SSE_OPS(add); |
2481 |
SSE_OPS(mul); |
2482 |
SSE_OPS(sub); |
2483 |
SSE_OPS(min); |
2484 |
SSE_OPS(div); |
2485 |
SSE_OPS(max); |
2486 |
SSE_OPS(sqrt); |
2487 |
SSE_OPS(cmpeq); |
2488 |
SSE_OPS(cmplt); |
2489 |
SSE_OPS(cmple); |
2490 |
SSE_OPS(cmpunord); |
2491 |
SSE_OPS(cmpneq); |
2492 |
SSE_OPS(cmpnlt); |
2493 |
SSE_OPS(cmpnle); |
2494 |
SSE_OPS(cmpord); |
2495 |
|
2496 |
|
2497 |
a.d[0] = 2.7; |
2498 |
a.d[1] = -3.4; |
2499 |
b.d[0] = 45.7; |
2500 |
b.d[1] = -53.4; |
2501 |
if (i == 1) { |
2502 |
a.d[0] = q_nan.d;
|
2503 |
b.d[1] = q_nan.d;
|
2504 |
} |
2505 |
SSE_OPD(add); |
2506 |
SSE_OPD(mul); |
2507 |
SSE_OPD(sub); |
2508 |
SSE_OPD(min); |
2509 |
SSE_OPD(div); |
2510 |
SSE_OPD(max); |
2511 |
SSE_OPD(sqrt); |
2512 |
SSE_OPD(cmpeq); |
2513 |
SSE_OPD(cmplt); |
2514 |
SSE_OPD(cmple); |
2515 |
SSE_OPD(cmpunord); |
2516 |
SSE_OPD(cmpneq); |
2517 |
SSE_OPD(cmpnlt); |
2518 |
SSE_OPD(cmpnle); |
2519 |
SSE_OPD(cmpord); |
2520 |
} |
2521 |
|
2522 |
/* float to float/int */
|
2523 |
a.s[0] = 2.7; |
2524 |
a.s[1] = 3.4; |
2525 |
a.s[2] = 4; |
2526 |
a.s[3] = -6.3; |
2527 |
CVT_OP_XMM(cvtps2pd); |
2528 |
CVT_OP_XMM(cvtss2sd); |
2529 |
CVT_OP_XMM2MMX(cvtps2pi); |
2530 |
CVT_OP_XMM2MMX(cvttps2pi); |
2531 |
CVT_OP_XMM2REG(cvtss2si); |
2532 |
CVT_OP_XMM2REG(cvttss2si); |
2533 |
CVT_OP_XMM(cvtps2dq); |
2534 |
CVT_OP_XMM(cvttps2dq); |
2535 |
|
2536 |
a.d[0] = 2.6; |
2537 |
a.d[1] = -3.4; |
2538 |
CVT_OP_XMM(cvtpd2ps); |
2539 |
CVT_OP_XMM(cvtsd2ss); |
2540 |
CVT_OP_XMM2MMX(cvtpd2pi); |
2541 |
CVT_OP_XMM2MMX(cvttpd2pi); |
2542 |
CVT_OP_XMM2REG(cvtsd2si); |
2543 |
CVT_OP_XMM2REG(cvttsd2si); |
2544 |
CVT_OP_XMM(cvtpd2dq); |
2545 |
CVT_OP_XMM(cvttpd2dq); |
2546 |
|
2547 |
/* int to float */
|
2548 |
a.l[0] = -6; |
2549 |
a.l[1] = 2; |
2550 |
a.l[2] = 100; |
2551 |
a.l[3] = -60000; |
2552 |
CVT_OP_MMX2XMM(cvtpi2ps); |
2553 |
CVT_OP_MMX2XMM(cvtpi2pd); |
2554 |
CVT_OP_REG2XMM(cvtsi2ss); |
2555 |
CVT_OP_REG2XMM(cvtsi2sd); |
2556 |
CVT_OP_XMM(cvtdq2ps); |
2557 |
CVT_OP_XMM(cvtdq2pd); |
2558 |
|
2559 |
/* XXX: test PNI insns */
|
2560 |
#if 0
|
2561 |
SSE_OP2(movshdup);
|
2562 |
#endif
|
2563 |
asm volatile ("emms"); |
2564 |
} |
2565 |
|
2566 |
#endif
|
2567 |
|
2568 |
extern void *__start_initcall; |
2569 |
extern void *__stop_initcall; |
2570 |
|
2571 |
|
2572 |
int main(int argc, char **argv) |
2573 |
{ |
2574 |
void **ptr;
|
2575 |
void (*func)(void); |
2576 |
|
2577 |
ptr = &__start_initcall; |
2578 |
while (ptr != &__stop_initcall) {
|
2579 |
func = *ptr++; |
2580 |
func(); |
2581 |
} |
2582 |
test_bsx(); |
2583 |
test_mul(); |
2584 |
test_jcc(); |
2585 |
test_floats(); |
2586 |
#if !defined(__x86_64__)
|
2587 |
test_bcd(); |
2588 |
#endif
|
2589 |
test_xchg(); |
2590 |
test_string(); |
2591 |
test_misc(); |
2592 |
test_lea(); |
2593 |
#ifdef TEST_SEGS
|
2594 |
test_segs(); |
2595 |
test_code16(); |
2596 |
#endif
|
2597 |
#ifdef TEST_VM86
|
2598 |
test_vm86(); |
2599 |
#endif
|
2600 |
test_exceptions(); |
2601 |
#if !defined(__x86_64__)
|
2602 |
test_self_modifying_code(); |
2603 |
test_single_step(); |
2604 |
#endif
|
2605 |
test_enter(); |
2606 |
#ifdef TEST_SSE
|
2607 |
test_sse(); |
2608 |
test_fxsave(); |
2609 |
#endif
|
2610 |
return 0; |
2611 |
} |