root / tests / test-i386.c @ facc68be
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| 1 | 3a27ad0b | bellard | #define _GNU_SOURCE
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| 2 | 4d1135e4 | bellard | #include <stdlib.h> |
| 3 | 4d1135e4 | bellard | #include <stdio.h> |
| 4 | e3e86d56 | bellard | #include <string.h> |
| 5 | 6dbad63e | bellard | #include <inttypes.h> |
| 6 | 4d1135e4 | bellard | #include <math.h> |
| 7 | 3a27ad0b | bellard | #include <signal.h> |
| 8 | 3a27ad0b | bellard | #include <setjmp.h> |
| 9 | 070893f4 | bellard | #include <errno.h> |
| 10 | 3a27ad0b | bellard | #include <sys/ucontext.h> |
| 11 | 3a27ad0b | bellard | #include <sys/mman.h> |
| 12 | 3a27ad0b | bellard | #include <asm/vm86.h> |
| 13 | 4d1135e4 | bellard | |
| 14 | 03bfca94 | bellard | #define TEST_CMOV 0 |
| 15 | 03bfca94 | bellard | #define TEST_FCOMI 0 |
| 16 | 3ff0631e | bellard | //#define LINUX_VM86_IOPL_FIX
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| 17 | 5dd9488c | bellard | |
| 18 | 4d1135e4 | bellard | #define xglue(x, y) x ## y |
| 19 | 4d1135e4 | bellard | #define glue(x, y) xglue(x, y)
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| 20 | 4d1135e4 | bellard | #define stringify(s) tostring(s)
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| 21 | 4d1135e4 | bellard | #define tostring(s) #s |
| 22 | 4d1135e4 | bellard | |
| 23 | 4d1135e4 | bellard | #define CC_C 0x0001 |
| 24 | 4d1135e4 | bellard | #define CC_P 0x0004 |
| 25 | 4d1135e4 | bellard | #define CC_A 0x0010 |
| 26 | 4d1135e4 | bellard | #define CC_Z 0x0040 |
| 27 | 4d1135e4 | bellard | #define CC_S 0x0080 |
| 28 | 4d1135e4 | bellard | #define CC_O 0x0800 |
| 29 | 4d1135e4 | bellard | |
| 30 | 4d1135e4 | bellard | #define __init_call __attribute__ ((unused,__section__ (".initcall.init"))) |
| 31 | 4d1135e4 | bellard | |
| 32 | 4d1135e4 | bellard | static void *call_start __init_call = NULL; |
| 33 | 4d1135e4 | bellard | |
| 34 | 4b74fe1f | bellard | #define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)
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| 35 | 4b74fe1f | bellard | |
| 36 | 4d1135e4 | bellard | #define OP add
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| 37 | 4d1135e4 | bellard | #include "test-i386.h" |
| 38 | 4d1135e4 | bellard | |
| 39 | 4d1135e4 | bellard | #define OP sub
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| 40 | 4d1135e4 | bellard | #include "test-i386.h" |
| 41 | 4d1135e4 | bellard | |
| 42 | 4d1135e4 | bellard | #define OP xor
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| 43 | 4d1135e4 | bellard | #include "test-i386.h" |
| 44 | 4d1135e4 | bellard | |
| 45 | 4d1135e4 | bellard | #define OP and
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| 46 | 4d1135e4 | bellard | #include "test-i386.h" |
| 47 | 4d1135e4 | bellard | |
| 48 | 4d1135e4 | bellard | #define OP or
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| 49 | 4d1135e4 | bellard | #include "test-i386.h" |
| 50 | 4d1135e4 | bellard | |
| 51 | 4d1135e4 | bellard | #define OP cmp
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| 52 | 4d1135e4 | bellard | #include "test-i386.h" |
| 53 | 4d1135e4 | bellard | |
| 54 | 4d1135e4 | bellard | #define OP adc
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| 55 | 4d1135e4 | bellard | #define OP_CC
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| 56 | 4d1135e4 | bellard | #include "test-i386.h" |
| 57 | 4d1135e4 | bellard | |
| 58 | 4d1135e4 | bellard | #define OP sbb
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| 59 | 4d1135e4 | bellard | #define OP_CC
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| 60 | 4d1135e4 | bellard | #include "test-i386.h" |
| 61 | 4d1135e4 | bellard | |
| 62 | 4d1135e4 | bellard | #define OP inc
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| 63 | 4d1135e4 | bellard | #define OP_CC
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| 64 | 4d1135e4 | bellard | #define OP1
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| 65 | 4d1135e4 | bellard | #include "test-i386.h" |
| 66 | 4d1135e4 | bellard | |
| 67 | 4d1135e4 | bellard | #define OP dec
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| 68 | 4d1135e4 | bellard | #define OP_CC
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| 69 | 4d1135e4 | bellard | #define OP1
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| 70 | 4d1135e4 | bellard | #include "test-i386.h" |
| 71 | 4d1135e4 | bellard | |
| 72 | 4d1135e4 | bellard | #define OP neg
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| 73 | 4d1135e4 | bellard | #define OP_CC
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| 74 | 4d1135e4 | bellard | #define OP1
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| 75 | 4d1135e4 | bellard | #include "test-i386.h" |
| 76 | 4d1135e4 | bellard | |
| 77 | 4d1135e4 | bellard | #define OP not
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| 78 | 4d1135e4 | bellard | #define OP_CC
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| 79 | 4d1135e4 | bellard | #define OP1
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| 80 | 4d1135e4 | bellard | #include "test-i386.h" |
| 81 | 4d1135e4 | bellard | |
| 82 | 4b74fe1f | bellard | #undef CC_MASK
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| 83 | 4b74fe1f | bellard | #define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O)
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| 84 | 4b74fe1f | bellard | |
| 85 | 379ca80d | bellard | #define OP shl
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| 86 | 379ca80d | bellard | #include "test-i386-shift.h" |
| 87 | 379ca80d | bellard | |
| 88 | 379ca80d | bellard | #define OP shr
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| 89 | 379ca80d | bellard | #include "test-i386-shift.h" |
| 90 | 379ca80d | bellard | |
| 91 | 379ca80d | bellard | #define OP sar
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| 92 | 379ca80d | bellard | #include "test-i386-shift.h" |
| 93 | 379ca80d | bellard | |
| 94 | 379ca80d | bellard | #define OP rol
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| 95 | 379ca80d | bellard | #include "test-i386-shift.h" |
| 96 | 379ca80d | bellard | |
| 97 | 379ca80d | bellard | #define OP ror
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| 98 | 379ca80d | bellard | #include "test-i386-shift.h" |
| 99 | 379ca80d | bellard | |
| 100 | 379ca80d | bellard | #define OP rcr
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| 101 | 379ca80d | bellard | #define OP_CC
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| 102 | 379ca80d | bellard | #include "test-i386-shift.h" |
| 103 | 379ca80d | bellard | |
| 104 | 379ca80d | bellard | #define OP rcl
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| 105 | 379ca80d | bellard | #define OP_CC
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| 106 | 379ca80d | bellard | #include "test-i386-shift.h" |
| 107 | 379ca80d | bellard | |
| 108 | d57c4e01 | bellard | #define OP shld
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| 109 | d57c4e01 | bellard | #define OP_SHIFTD
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| 110 | d57c4e01 | bellard | #define OP_NOBYTE
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| 111 | d57c4e01 | bellard | #include "test-i386-shift.h" |
| 112 | d57c4e01 | bellard | |
| 113 | d57c4e01 | bellard | #define OP shrd
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| 114 | d57c4e01 | bellard | #define OP_SHIFTD
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| 115 | d57c4e01 | bellard | #define OP_NOBYTE
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| 116 | d57c4e01 | bellard | #include "test-i386-shift.h" |
| 117 | d57c4e01 | bellard | |
| 118 | d57c4e01 | bellard | /* XXX: should be more precise ? */
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| 119 | d57c4e01 | bellard | #undef CC_MASK
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| 120 | d57c4e01 | bellard | #define CC_MASK (CC_C)
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| 121 | d57c4e01 | bellard | |
| 122 | d57c4e01 | bellard | #define OP bt
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| 123 | d57c4e01 | bellard | #define OP_NOBYTE
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| 124 | d57c4e01 | bellard | #include "test-i386-shift.h" |
| 125 | d57c4e01 | bellard | |
| 126 | d57c4e01 | bellard | #define OP bts
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| 127 | d57c4e01 | bellard | #define OP_NOBYTE
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| 128 | d57c4e01 | bellard | #include "test-i386-shift.h" |
| 129 | d57c4e01 | bellard | |
| 130 | d57c4e01 | bellard | #define OP btr
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| 131 | d57c4e01 | bellard | #define OP_NOBYTE
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| 132 | d57c4e01 | bellard | #include "test-i386-shift.h" |
| 133 | d57c4e01 | bellard | |
| 134 | d57c4e01 | bellard | #define OP btc
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| 135 | d57c4e01 | bellard | #define OP_NOBYTE
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| 136 | d57c4e01 | bellard | #include "test-i386-shift.h" |
| 137 | 379ca80d | bellard | |
| 138 | 4d1135e4 | bellard | /* lea test (modrm support) */
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| 139 | 4d1135e4 | bellard | #define TEST_LEA(STR)\
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| 140 | 4d1135e4 | bellard | {\
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| 141 | 4d1135e4 | bellard | asm("leal " STR ", %0"\ |
| 142 | 4d1135e4 | bellard | : "=r" (res)\
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| 143 | 4d1135e4 | bellard | : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ |
| 144 | 4d1135e4 | bellard | printf("lea %s = %08x\n", STR, res);\
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| 145 | 4d1135e4 | bellard | } |
| 146 | 4d1135e4 | bellard | |
| 147 | 4d1135e4 | bellard | #define TEST_LEA16(STR)\
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| 148 | 4d1135e4 | bellard | {\
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| 149 | 4d1135e4 | bellard | asm(".code16 ; .byte 0x67 ; leal " STR ", %0 ; .code32"\ |
| 150 | 4d1135e4 | bellard | : "=wq" (res)\
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| 151 | 4d1135e4 | bellard | : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ |
| 152 | 4d1135e4 | bellard | printf("lea %s = %08x\n", STR, res);\
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| 153 | 4d1135e4 | bellard | } |
| 154 | 4d1135e4 | bellard | |
| 155 | 4d1135e4 | bellard | |
| 156 | 4d1135e4 | bellard | void test_lea(void) |
| 157 | 4d1135e4 | bellard | {
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| 158 | 4d1135e4 | bellard | int eax, ebx, ecx, edx, esi, edi, res;
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| 159 | 4d1135e4 | bellard | eax = 0x0001;
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| 160 | 4d1135e4 | bellard | ebx = 0x0002;
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| 161 | 4d1135e4 | bellard | ecx = 0x0004;
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| 162 | 4d1135e4 | bellard | edx = 0x0008;
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| 163 | 4d1135e4 | bellard | esi = 0x0010;
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| 164 | 4d1135e4 | bellard | edi = 0x0020;
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| 165 | 4d1135e4 | bellard | |
| 166 | 4d1135e4 | bellard | TEST_LEA("0x4000");
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| 167 | 4d1135e4 | bellard | |
| 168 | 4d1135e4 | bellard | TEST_LEA("(%%eax)");
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| 169 | 4d1135e4 | bellard | TEST_LEA("(%%ebx)");
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| 170 | 4d1135e4 | bellard | TEST_LEA("(%%ecx)");
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| 171 | 4d1135e4 | bellard | TEST_LEA("(%%edx)");
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| 172 | 4d1135e4 | bellard | TEST_LEA("(%%esi)");
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| 173 | 4d1135e4 | bellard | TEST_LEA("(%%edi)");
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| 174 | 4d1135e4 | bellard | |
| 175 | 4d1135e4 | bellard | TEST_LEA("0x40(%%eax)");
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| 176 | 4d1135e4 | bellard | TEST_LEA("0x40(%%ebx)");
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| 177 | 4d1135e4 | bellard | TEST_LEA("0x40(%%ecx)");
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| 178 | 4d1135e4 | bellard | TEST_LEA("0x40(%%edx)");
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| 179 | 4d1135e4 | bellard | TEST_LEA("0x40(%%esi)");
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| 180 | 4d1135e4 | bellard | TEST_LEA("0x40(%%edi)");
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| 181 | 4d1135e4 | bellard | |
| 182 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%eax)");
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| 183 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%ebx)");
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| 184 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%ecx)");
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| 185 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%edx)");
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| 186 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%esi)");
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| 187 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%edi)");
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| 188 | 4d1135e4 | bellard | |
| 189 | 4d1135e4 | bellard | TEST_LEA("(%%eax, %%ecx)");
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| 190 | 4d1135e4 | bellard | TEST_LEA("(%%ebx, %%edx)");
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| 191 | 4d1135e4 | bellard | TEST_LEA("(%%ecx, %%ecx)");
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| 192 | 4d1135e4 | bellard | TEST_LEA("(%%edx, %%ecx)");
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| 193 | 4d1135e4 | bellard | TEST_LEA("(%%esi, %%ecx)");
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| 194 | 4d1135e4 | bellard | TEST_LEA("(%%edi, %%ecx)");
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| 195 | 4d1135e4 | bellard | |
| 196 | 4d1135e4 | bellard | TEST_LEA("0x40(%%eax, %%ecx)");
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| 197 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%ebx, %%edx)");
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| 198 | 4d1135e4 | bellard | |
| 199 | 4d1135e4 | bellard | TEST_LEA("(%%ecx, %%ecx, 2)");
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| 200 | 4d1135e4 | bellard | TEST_LEA("(%%edx, %%ecx, 4)");
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| 201 | 4d1135e4 | bellard | TEST_LEA("(%%esi, %%ecx, 8)");
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| 202 | 4d1135e4 | bellard | |
| 203 | 4d1135e4 | bellard | TEST_LEA("(,%%eax, 2)");
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| 204 | 4d1135e4 | bellard | TEST_LEA("(,%%ebx, 4)");
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| 205 | 4d1135e4 | bellard | TEST_LEA("(,%%ecx, 8)");
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| 206 | 4d1135e4 | bellard | |
| 207 | 4d1135e4 | bellard | TEST_LEA("0x40(,%%eax, 2)");
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| 208 | 4d1135e4 | bellard | TEST_LEA("0x40(,%%ebx, 4)");
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| 209 | 4d1135e4 | bellard | TEST_LEA("0x40(,%%ecx, 8)");
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| 210 | 4d1135e4 | bellard | |
| 211 | 4d1135e4 | bellard | |
| 212 | 4d1135e4 | bellard | TEST_LEA("-10(%%ecx, %%ecx, 2)");
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| 213 | 4d1135e4 | bellard | TEST_LEA("-10(%%edx, %%ecx, 4)");
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| 214 | 4d1135e4 | bellard | TEST_LEA("-10(%%esi, %%ecx, 8)");
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| 215 | 4d1135e4 | bellard | |
| 216 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%ecx, %%ecx, 2)");
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| 217 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%edx, %%ecx, 4)");
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| 218 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%esi, %%ecx, 8)");
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| 219 | 4d1135e4 | bellard | |
| 220 | 4d1135e4 | bellard | /* limited 16 bit addressing test */
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| 221 | 4d1135e4 | bellard | TEST_LEA16("0x4000");
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| 222 | 4d1135e4 | bellard | TEST_LEA16("(%%bx)");
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| 223 | 4d1135e4 | bellard | TEST_LEA16("(%%si)");
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| 224 | 4d1135e4 | bellard | TEST_LEA16("(%%di)");
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| 225 | 4d1135e4 | bellard | TEST_LEA16("0x40(%%bx)");
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| 226 | 4d1135e4 | bellard | TEST_LEA16("0x40(%%si)");
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| 227 | 4d1135e4 | bellard | TEST_LEA16("0x40(%%di)");
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| 228 | 4d1135e4 | bellard | TEST_LEA16("0x4000(%%bx)");
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| 229 | 4d1135e4 | bellard | TEST_LEA16("0x4000(%%si)");
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| 230 | 4d1135e4 | bellard | TEST_LEA16("(%%bx,%%si)");
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| 231 | 4d1135e4 | bellard | TEST_LEA16("(%%bx,%%di)");
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| 232 | 4d1135e4 | bellard | TEST_LEA16("0x40(%%bx,%%si)");
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| 233 | 4d1135e4 | bellard | TEST_LEA16("0x40(%%bx,%%di)");
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| 234 | 4d1135e4 | bellard | TEST_LEA16("0x4000(%%bx,%%si)");
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| 235 | 4d1135e4 | bellard | TEST_LEA16("0x4000(%%bx,%%di)");
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| 236 | 4d1135e4 | bellard | } |
| 237 | 4d1135e4 | bellard | |
| 238 | 4d1135e4 | bellard | #define TEST_JCC(JCC, v1, v2)\
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| 239 | 4d1135e4 | bellard | {\
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| 240 | 5dd9488c | bellard | int res;\
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| 241 | 4d1135e4 | bellard | asm("movl $1, %0\n\t"\ |
| 242 | 4d1135e4 | bellard | "cmpl %2, %1\n\t"\
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| 243 | 5dd9488c | bellard | "j" JCC " 1f\n\t"\ |
| 244 | 4d1135e4 | bellard | "movl $0, %0\n\t"\
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| 245 | 4d1135e4 | bellard | "1:\n\t"\
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| 246 | 4d1135e4 | bellard | : "=r" (res)\
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| 247 | 4d1135e4 | bellard | : "r" (v1), "r" (v2));\ |
| 248 | 5dd9488c | bellard | printf("%-10s %d\n", "j" JCC, res);\ |
| 249 | 5dd9488c | bellard | \ |
| 250 | 5dd9488c | bellard | asm("movl $0, %0\n\t"\ |
| 251 | 5dd9488c | bellard | "cmpl %2, %1\n\t"\
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| 252 | 5dd9488c | bellard | "set" JCC " %b0\n\t"\ |
| 253 | 5dd9488c | bellard | : "=r" (res)\
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| 254 | 5dd9488c | bellard | : "r" (v1), "r" (v2));\ |
| 255 | 5dd9488c | bellard | printf("%-10s %d\n", "set" JCC, res);\ |
| 256 | 5dd9488c | bellard | if (TEST_CMOV) {\
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| 257 | 5dd9488c | bellard | asm("movl $0x12345678, %0\n\t"\ |
| 258 | 5dd9488c | bellard | "cmpl %2, %1\n\t"\
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| 259 | 5dd9488c | bellard | "cmov" JCC "l %3, %0\n\t"\ |
| 260 | 5dd9488c | bellard | : "=r" (res)\
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| 261 | 5dd9488c | bellard | : "r" (v1), "r" (v2), "m" (1));\ |
| 262 | 5dd9488c | bellard | printf("%-10s R=0x%08x\n", "cmov" JCC "l", res);\ |
| 263 | 5dd9488c | bellard | asm("movl $0x12345678, %0\n\t"\ |
| 264 | 5dd9488c | bellard | "cmpl %2, %1\n\t"\
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| 265 | 5dd9488c | bellard | "cmov" JCC "w %w3, %w0\n\t"\ |
| 266 | 5dd9488c | bellard | : "=r" (res)\
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| 267 | 5dd9488c | bellard | : "r" (v1), "r" (v2), "r" (1));\ |
| 268 | 5dd9488c | bellard | printf("%-10s R=0x%08x\n", "cmov" JCC "w", res);\ |
| 269 | 5dd9488c | bellard | } \ |
| 270 | 4d1135e4 | bellard | } |
| 271 | 4d1135e4 | bellard | |
| 272 | 4d1135e4 | bellard | /* various jump tests */
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| 273 | 4d1135e4 | bellard | void test_jcc(void) |
| 274 | 4d1135e4 | bellard | {
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| 275 | 5dd9488c | bellard | TEST_JCC("ne", 1, 1); |
| 276 | 5dd9488c | bellard | TEST_JCC("ne", 1, 0); |
| 277 | 4d1135e4 | bellard | |
| 278 | 5dd9488c | bellard | TEST_JCC("e", 1, 1); |
| 279 | 5dd9488c | bellard | TEST_JCC("e", 1, 0); |
| 280 | 4d1135e4 | bellard | |
| 281 | 5dd9488c | bellard | TEST_JCC("l", 1, 1); |
| 282 | 5dd9488c | bellard | TEST_JCC("l", 1, 0); |
| 283 | 5dd9488c | bellard | TEST_JCC("l", 1, -1); |
| 284 | 4d1135e4 | bellard | |
| 285 | 5dd9488c | bellard | TEST_JCC("le", 1, 1); |
| 286 | 5dd9488c | bellard | TEST_JCC("le", 1, 0); |
| 287 | 5dd9488c | bellard | TEST_JCC("le", 1, -1); |
| 288 | 4d1135e4 | bellard | |
| 289 | 5dd9488c | bellard | TEST_JCC("ge", 1, 1); |
| 290 | 5dd9488c | bellard | TEST_JCC("ge", 1, 0); |
| 291 | 5dd9488c | bellard | TEST_JCC("ge", -1, 1); |
| 292 | 4d1135e4 | bellard | |
| 293 | 5dd9488c | bellard | TEST_JCC("g", 1, 1); |
| 294 | 5dd9488c | bellard | TEST_JCC("g", 1, 0); |
| 295 | 5dd9488c | bellard | TEST_JCC("g", 1, -1); |
| 296 | 4d1135e4 | bellard | |
| 297 | 5dd9488c | bellard | TEST_JCC("b", 1, 1); |
| 298 | 5dd9488c | bellard | TEST_JCC("b", 1, 0); |
| 299 | 5dd9488c | bellard | TEST_JCC("b", 1, -1); |
| 300 | 4d1135e4 | bellard | |
| 301 | 5dd9488c | bellard | TEST_JCC("be", 1, 1); |
| 302 | 5dd9488c | bellard | TEST_JCC("be", 1, 0); |
| 303 | 5dd9488c | bellard | TEST_JCC("be", 1, -1); |
| 304 | 4d1135e4 | bellard | |
| 305 | 5dd9488c | bellard | TEST_JCC("ae", 1, 1); |
| 306 | 5dd9488c | bellard | TEST_JCC("ae", 1, 0); |
| 307 | 5dd9488c | bellard | TEST_JCC("ae", 1, -1); |
| 308 | 4d1135e4 | bellard | |
| 309 | 5dd9488c | bellard | TEST_JCC("a", 1, 1); |
| 310 | 5dd9488c | bellard | TEST_JCC("a", 1, 0); |
| 311 | 5dd9488c | bellard | TEST_JCC("a", 1, -1); |
| 312 | 4d1135e4 | bellard | |
| 313 | 4d1135e4 | bellard | |
| 314 | 5dd9488c | bellard | TEST_JCC("p", 1, 1); |
| 315 | 5dd9488c | bellard | TEST_JCC("p", 1, 0); |
| 316 | 4d1135e4 | bellard | |
| 317 | 5dd9488c | bellard | TEST_JCC("np", 1, 1); |
| 318 | 5dd9488c | bellard | TEST_JCC("np", 1, 0); |
| 319 | 4d1135e4 | bellard | |
| 320 | 5dd9488c | bellard | TEST_JCC("o", 0x7fffffff, 0); |
| 321 | 5dd9488c | bellard | TEST_JCC("o", 0x7fffffff, -1); |
| 322 | 4d1135e4 | bellard | |
| 323 | 5dd9488c | bellard | TEST_JCC("no", 0x7fffffff, 0); |
| 324 | 5dd9488c | bellard | TEST_JCC("no", 0x7fffffff, -1); |
| 325 | 4d1135e4 | bellard | |
| 326 | 5dd9488c | bellard | TEST_JCC("s", 0, 1); |
| 327 | 5dd9488c | bellard | TEST_JCC("s", 0, -1); |
| 328 | 5dd9488c | bellard | TEST_JCC("s", 0, 0); |
| 329 | 4d1135e4 | bellard | |
| 330 | 5dd9488c | bellard | TEST_JCC("ns", 0, 1); |
| 331 | 5dd9488c | bellard | TEST_JCC("ns", 0, -1); |
| 332 | 5dd9488c | bellard | TEST_JCC("ns", 0, 0); |
| 333 | 4d1135e4 | bellard | } |
| 334 | 4d1135e4 | bellard | |
| 335 | 4b74fe1f | bellard | #undef CC_MASK
|
| 336 | 4b74fe1f | bellard | #define CC_MASK (CC_O | CC_C)
|
| 337 | 4b74fe1f | bellard | |
| 338 | 4b74fe1f | bellard | #define OP mul
|
| 339 | 4b74fe1f | bellard | #include "test-i386-muldiv.h" |
| 340 | 4b74fe1f | bellard | |
| 341 | 4b74fe1f | bellard | #define OP imul
|
| 342 | 4b74fe1f | bellard | #include "test-i386-muldiv.h" |
| 343 | 4b74fe1f | bellard | |
| 344 | 4b74fe1f | bellard | #undef CC_MASK
|
| 345 | 4b74fe1f | bellard | #define CC_MASK (0) |
| 346 | 4b74fe1f | bellard | |
| 347 | 4b74fe1f | bellard | #define OP div
|
| 348 | 4b74fe1f | bellard | #include "test-i386-muldiv.h" |
| 349 | 4b74fe1f | bellard | |
| 350 | 4b74fe1f | bellard | #define OP idiv
|
| 351 | 4b74fe1f | bellard | #include "test-i386-muldiv.h" |
| 352 | 4b74fe1f | bellard | |
| 353 | 4b74fe1f | bellard | void test_imulw2(int op0, int op1) |
| 354 | 4b74fe1f | bellard | {
|
| 355 | 4b74fe1f | bellard | int res, s1, s0, flags;
|
| 356 | 4b74fe1f | bellard | s0 = op0; |
| 357 | 4b74fe1f | bellard | s1 = op1; |
| 358 | 4b74fe1f | bellard | res = s0; |
| 359 | 4b74fe1f | bellard | flags = 0;
|
| 360 | 4b74fe1f | bellard | asm ("push %4\n\t" |
| 361 | 4b74fe1f | bellard | "popf\n\t"
|
| 362 | 4b74fe1f | bellard | "imulw %w2, %w0\n\t"
|
| 363 | 4b74fe1f | bellard | "pushf\n\t"
|
| 364 | 4b74fe1f | bellard | "popl %1\n\t"
|
| 365 | 4b74fe1f | bellard | : "=q" (res), "=g" (flags) |
| 366 | 4b74fe1f | bellard | : "q" (s1), "0" (res), "1" (flags)); |
| 367 | 4b74fe1f | bellard | printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
|
| 368 | 4b74fe1f | bellard | "imulw", s0, s1, res, flags & CC_MASK);
|
| 369 | 4b74fe1f | bellard | } |
| 370 | 4b74fe1f | bellard | |
| 371 | 4b74fe1f | bellard | void test_imull2(int op0, int op1) |
| 372 | 4b74fe1f | bellard | {
|
| 373 | 4b74fe1f | bellard | int res, s1, s0, flags;
|
| 374 | 4b74fe1f | bellard | s0 = op0; |
| 375 | 4b74fe1f | bellard | s1 = op1; |
| 376 | 4b74fe1f | bellard | res = s0; |
| 377 | 4b74fe1f | bellard | flags = 0;
|
| 378 | 4b74fe1f | bellard | asm ("push %4\n\t" |
| 379 | 4b74fe1f | bellard | "popf\n\t"
|
| 380 | 4b74fe1f | bellard | "imull %2, %0\n\t"
|
| 381 | 4b74fe1f | bellard | "pushf\n\t"
|
| 382 | 4b74fe1f | bellard | "popl %1\n\t"
|
| 383 | 4b74fe1f | bellard | : "=q" (res), "=g" (flags) |
| 384 | 4b74fe1f | bellard | : "q" (s1), "0" (res), "1" (flags)); |
| 385 | 4b74fe1f | bellard | printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
|
| 386 | 4b74fe1f | bellard | "imull", s0, s1, res, flags & CC_MASK);
|
| 387 | 4b74fe1f | bellard | } |
| 388 | 4b74fe1f | bellard | |
| 389 | 4b74fe1f | bellard | void test_mul(void) |
| 390 | 4b74fe1f | bellard | {
|
| 391 | 4b74fe1f | bellard | test_imulb(0x1234561d, 4); |
| 392 | 4b74fe1f | bellard | test_imulb(3, -4); |
| 393 | 4b74fe1f | bellard | test_imulb(0x80, 0x80); |
| 394 | 4b74fe1f | bellard | test_imulb(0x10, 0x10); |
| 395 | 4b74fe1f | bellard | |
| 396 | 4b74fe1f | bellard | test_imulw(0, 0x1234001d, 45); |
| 397 | 4b74fe1f | bellard | test_imulw(0, 23, -45); |
| 398 | 4b74fe1f | bellard | test_imulw(0, 0x8000, 0x8000); |
| 399 | 4b74fe1f | bellard | test_imulw(0, 0x100, 0x100); |
| 400 | 4b74fe1f | bellard | |
| 401 | 4b74fe1f | bellard | test_imull(0, 0x1234001d, 45); |
| 402 | 4b74fe1f | bellard | test_imull(0, 23, -45); |
| 403 | 4b74fe1f | bellard | test_imull(0, 0x80000000, 0x80000000); |
| 404 | 4b74fe1f | bellard | test_imull(0, 0x10000, 0x10000); |
| 405 | 4b74fe1f | bellard | |
| 406 | 4b74fe1f | bellard | test_mulb(0x1234561d, 4); |
| 407 | 4b74fe1f | bellard | test_mulb(3, -4); |
| 408 | 4b74fe1f | bellard | test_mulb(0x80, 0x80); |
| 409 | 4b74fe1f | bellard | test_mulb(0x10, 0x10); |
| 410 | 4b74fe1f | bellard | |
| 411 | 4b74fe1f | bellard | test_mulw(0, 0x1234001d, 45); |
| 412 | 4b74fe1f | bellard | test_mulw(0, 23, -45); |
| 413 | 4b74fe1f | bellard | test_mulw(0, 0x8000, 0x8000); |
| 414 | 4b74fe1f | bellard | test_mulw(0, 0x100, 0x100); |
| 415 | 4b74fe1f | bellard | |
| 416 | 4b74fe1f | bellard | test_mull(0, 0x1234001d, 45); |
| 417 | 4b74fe1f | bellard | test_mull(0, 23, -45); |
| 418 | 4b74fe1f | bellard | test_mull(0, 0x80000000, 0x80000000); |
| 419 | 4b74fe1f | bellard | test_mull(0, 0x10000, 0x10000); |
| 420 | 4b74fe1f | bellard | |
| 421 | 4b74fe1f | bellard | test_imulw2(0x1234001d, 45); |
| 422 | 4b74fe1f | bellard | test_imulw2(23, -45); |
| 423 | 4b74fe1f | bellard | test_imulw2(0x8000, 0x8000); |
| 424 | 4b74fe1f | bellard | test_imulw2(0x100, 0x100); |
| 425 | 4b74fe1f | bellard | |
| 426 | 4b74fe1f | bellard | test_imull2(0x1234001d, 45); |
| 427 | 4b74fe1f | bellard | test_imull2(23, -45); |
| 428 | 4b74fe1f | bellard | test_imull2(0x80000000, 0x80000000); |
| 429 | 4b74fe1f | bellard | test_imull2(0x10000, 0x10000); |
| 430 | 4b74fe1f | bellard | |
| 431 | 4b74fe1f | bellard | test_idivb(0x12341678, 0x127e); |
| 432 | 4b74fe1f | bellard | test_idivb(0x43210123, -5); |
| 433 | 4b74fe1f | bellard | test_idivb(0x12340004, -1); |
| 434 | 4b74fe1f | bellard | |
| 435 | 4b74fe1f | bellard | test_idivw(0, 0x12345678, 12347); |
| 436 | 4b74fe1f | bellard | test_idivw(0, -23223, -45); |
| 437 | 4b74fe1f | bellard | test_idivw(0, 0x12348000, -1); |
| 438 | 4b74fe1f | bellard | test_idivw(0x12343, 0x12345678, 0x81238567); |
| 439 | 4b74fe1f | bellard | |
| 440 | 4b74fe1f | bellard | test_idivl(0, 0x12345678, 12347); |
| 441 | 4b74fe1f | bellard | test_idivl(0, -233223, -45); |
| 442 | 4b74fe1f | bellard | test_idivl(0, 0x80000000, -1); |
| 443 | 4b74fe1f | bellard | test_idivl(0x12343, 0x12345678, 0x81234567); |
| 444 | 4b74fe1f | bellard | |
| 445 | 4b74fe1f | bellard | test_divb(0x12341678, 0x127e); |
| 446 | 4b74fe1f | bellard | test_divb(0x43210123, -5); |
| 447 | 4b74fe1f | bellard | test_divb(0x12340004, -1); |
| 448 | 4b74fe1f | bellard | |
| 449 | 4b74fe1f | bellard | test_divw(0, 0x12345678, 12347); |
| 450 | 4b74fe1f | bellard | test_divw(0, -23223, -45); |
| 451 | 4b74fe1f | bellard | test_divw(0, 0x12348000, -1); |
| 452 | 4b74fe1f | bellard | test_divw(0x12343, 0x12345678, 0x81238567); |
| 453 | 4b74fe1f | bellard | |
| 454 | 4b74fe1f | bellard | test_divl(0, 0x12345678, 12347); |
| 455 | 4b74fe1f | bellard | test_divl(0, -233223, -45); |
| 456 | 4b74fe1f | bellard | test_divl(0, 0x80000000, -1); |
| 457 | 4b74fe1f | bellard | test_divl(0x12343, 0x12345678, 0x81234567); |
| 458 | 4b74fe1f | bellard | } |
| 459 | 4b74fe1f | bellard | |
| 460 | 9d8e9c09 | bellard | #define TEST_BSX(op, size, op0)\
|
| 461 | 9d8e9c09 | bellard | {\
|
| 462 | 9d8e9c09 | bellard | int res, val, resz;\
|
| 463 | 9d8e9c09 | bellard | val = op0;\ |
| 464 | 9d8e9c09 | bellard | asm("xorl %1, %1 ; " #op " %" size "2, %" size "0 ; setz %b1" \ |
| 465 | 9d8e9c09 | bellard | : "=r" (res), "=q" (resz)\ |
| 466 | 9d8e9c09 | bellard | : "g" (val));\
|
| 467 | 9d8e9c09 | bellard | printf("%-10s A=%08x R=%08x %d\n", #op, val, resz ? 0 : res, resz);\ |
| 468 | 9d8e9c09 | bellard | } |
| 469 | 9d8e9c09 | bellard | |
| 470 | 9d8e9c09 | bellard | void test_bsx(void) |
| 471 | 9d8e9c09 | bellard | {
|
| 472 | 9d8e9c09 | bellard | TEST_BSX(bsrw, "w", 0); |
| 473 | 9d8e9c09 | bellard | TEST_BSX(bsrw, "w", 0x12340128); |
| 474 | 9d8e9c09 | bellard | TEST_BSX(bsrl, "", 0); |
| 475 | 9d8e9c09 | bellard | TEST_BSX(bsrl, "", 0x00340128); |
| 476 | 9d8e9c09 | bellard | TEST_BSX(bsfw, "w", 0); |
| 477 | 9d8e9c09 | bellard | TEST_BSX(bsfw, "w", 0x12340128); |
| 478 | 9d8e9c09 | bellard | TEST_BSX(bsfl, "", 0); |
| 479 | 9d8e9c09 | bellard | TEST_BSX(bsfl, "", 0x00340128); |
| 480 | 9d8e9c09 | bellard | } |
| 481 | 9d8e9c09 | bellard | |
| 482 | 55480af8 | bellard | /**********************************************/
|
| 483 | 55480af8 | bellard | |
| 484 | 9d8e9c09 | bellard | void test_fops(double a, double b) |
| 485 | 9d8e9c09 | bellard | {
|
| 486 | 9d8e9c09 | bellard | printf("a=%f b=%f a+b=%f\n", a, b, a + b);
|
| 487 | 9d8e9c09 | bellard | printf("a=%f b=%f a-b=%f\n", a, b, a - b);
|
| 488 | 9d8e9c09 | bellard | printf("a=%f b=%f a*b=%f\n", a, b, a * b);
|
| 489 | 9d8e9c09 | bellard | printf("a=%f b=%f a/b=%f\n", a, b, a / b);
|
| 490 | 9d8e9c09 | bellard | printf("a=%f b=%f fmod(a, b)=%f\n", a, b, fmod(a, b));
|
| 491 | 9d8e9c09 | bellard | printf("a=%f sqrt(a)=%f\n", a, sqrt(a));
|
| 492 | 9d8e9c09 | bellard | printf("a=%f sin(a)=%f\n", a, sin(a));
|
| 493 | 9d8e9c09 | bellard | printf("a=%f cos(a)=%f\n", a, cos(a));
|
| 494 | 9d8e9c09 | bellard | printf("a=%f tan(a)=%f\n", a, tan(a));
|
| 495 | 9d8e9c09 | bellard | printf("a=%f log(a)=%f\n", a, log(a));
|
| 496 | 9d8e9c09 | bellard | printf("a=%f exp(a)=%f\n", a, exp(a));
|
| 497 | 9d8e9c09 | bellard | printf("a=%f b=%f atan2(a, b)=%f\n", a, b, atan2(a, b));
|
| 498 | 9d8e9c09 | bellard | /* just to test some op combining */
|
| 499 | 9d8e9c09 | bellard | printf("a=%f asin(sin(a))=%f\n", a, asin(sin(a)));
|
| 500 | 9d8e9c09 | bellard | printf("a=%f acos(cos(a))=%f\n", a, acos(cos(a)));
|
| 501 | 9d8e9c09 | bellard | printf("a=%f atan(tan(a))=%f\n", a, atan(tan(a)));
|
| 502 | 9d8e9c09 | bellard | |
| 503 | 9d8e9c09 | bellard | } |
| 504 | 9d8e9c09 | bellard | |
| 505 | 9d8e9c09 | bellard | void test_fcmp(double a, double b) |
| 506 | 9d8e9c09 | bellard | {
|
| 507 | 9d8e9c09 | bellard | printf("(%f<%f)=%d\n",
|
| 508 | 9d8e9c09 | bellard | a, b, a < b); |
| 509 | 9d8e9c09 | bellard | printf("(%f<=%f)=%d\n",
|
| 510 | 9d8e9c09 | bellard | a, b, a <= b); |
| 511 | 9d8e9c09 | bellard | printf("(%f==%f)=%d\n",
|
| 512 | 9d8e9c09 | bellard | a, b, a == b); |
| 513 | 9d8e9c09 | bellard | printf("(%f>%f)=%d\n",
|
| 514 | 9d8e9c09 | bellard | a, b, a > b); |
| 515 | 9d8e9c09 | bellard | printf("(%f<=%f)=%d\n",
|
| 516 | 9d8e9c09 | bellard | a, b, a >= b); |
| 517 | 03bfca94 | bellard | if (TEST_FCOMI) {
|
| 518 | 03bfca94 | bellard | unsigned int eflags; |
| 519 | 03bfca94 | bellard | /* test f(u)comi instruction */
|
| 520 | 03bfca94 | bellard | asm("fcomi %2, %1\n" |
| 521 | 03bfca94 | bellard | "pushf\n"
|
| 522 | 03bfca94 | bellard | "pop %0\n"
|
| 523 | 03bfca94 | bellard | : "=r" (eflags)
|
| 524 | 03bfca94 | bellard | : "t" (a), "u" (b)); |
| 525 | 03bfca94 | bellard | printf("fcomi(%f %f)=%08x\n", a, b, eflags & (CC_Z | CC_P | CC_C));
|
| 526 | 03bfca94 | bellard | } |
| 527 | 9d8e9c09 | bellard | } |
| 528 | 9d8e9c09 | bellard | |
| 529 | 9d8e9c09 | bellard | void test_fcvt(double a) |
| 530 | 9d8e9c09 | bellard | {
|
| 531 | 9d8e9c09 | bellard | float fa;
|
| 532 | 9d8e9c09 | bellard | long double la; |
| 533 | ea768640 | bellard | int16_t fpuc; |
| 534 | ea768640 | bellard | int i;
|
| 535 | ea768640 | bellard | int64_t lla; |
| 536 | ea768640 | bellard | int ia;
|
| 537 | ea768640 | bellard | int16_t wa; |
| 538 | ea768640 | bellard | double ra;
|
| 539 | 9d8e9c09 | bellard | |
| 540 | 9d8e9c09 | bellard | fa = a; |
| 541 | 9d8e9c09 | bellard | la = a; |
| 542 | 9d8e9c09 | bellard | printf("(float)%f = %f\n", a, fa);
|
| 543 | 9d8e9c09 | bellard | printf("(long double)%f = %Lf\n", a, la);
|
| 544 | c5e9815d | bellard | printf("a=%016Lx\n", *(long long *)&a); |
| 545 | c5e9815d | bellard | printf("la=%016Lx %04x\n", *(long long *)&la, |
| 546 | c5e9815d | bellard | *(unsigned short *)((char *)(&la) + 8)); |
| 547 | ea768640 | bellard | |
| 548 | ea768640 | bellard | /* test all roundings */
|
| 549 | ea768640 | bellard | asm volatile ("fstcw %0" : "=m" (fpuc)); |
| 550 | ea768640 | bellard | for(i=0;i<4;i++) { |
| 551 | ea768640 | bellard | asm volatile ("fldcw %0" : : "m" ((fpuc & ~0x0c00) | (i << 10))); |
| 552 | ea768640 | bellard | asm volatile ("fist %0" : "=m" (wa) : "t" (a)); |
| 553 | ea768640 | bellard | asm volatile ("fistl %0" : "=m" (ia) : "t" (a)); |
| 554 | ea768640 | bellard | asm volatile ("fistpll %0" : "=m" (lla) : "t" (a) : "st"); |
| 555 | ea768640 | bellard | asm volatile ("frndint ; fstl %0" : "=m" (ra) : "t" (a)); |
| 556 | ea768640 | bellard | asm volatile ("fldcw %0" : : "m" (fpuc)); |
| 557 | ea768640 | bellard | printf("(short)a = %d\n", wa);
|
| 558 | ea768640 | bellard | printf("(int)a = %d\n", ia);
|
| 559 | ea768640 | bellard | printf("(int64_t)a = %Ld\n", lla);
|
| 560 | ea768640 | bellard | printf("rint(a) = %f\n", ra);
|
| 561 | ea768640 | bellard | } |
| 562 | 9d8e9c09 | bellard | } |
| 563 | 9d8e9c09 | bellard | |
| 564 | 9d8e9c09 | bellard | #define TEST(N) \
|
| 565 | 9d8e9c09 | bellard | asm("fld" #N : "=t" (a)); \ |
| 566 | 9d8e9c09 | bellard | printf("fld" #N "= %f\n", a); |
| 567 | 9d8e9c09 | bellard | |
| 568 | 9d8e9c09 | bellard | void test_fconst(void) |
| 569 | 9d8e9c09 | bellard | {
|
| 570 | 9d8e9c09 | bellard | double a;
|
| 571 | 9d8e9c09 | bellard | TEST(1);
|
| 572 | 9d8e9c09 | bellard | TEST(l2t); |
| 573 | 9d8e9c09 | bellard | TEST(l2e); |
| 574 | 9d8e9c09 | bellard | TEST(pi); |
| 575 | 9d8e9c09 | bellard | TEST(lg2); |
| 576 | 9d8e9c09 | bellard | TEST(ln2); |
| 577 | 9d8e9c09 | bellard | TEST(z); |
| 578 | 9d8e9c09 | bellard | } |
| 579 | 9d8e9c09 | bellard | |
| 580 | c5e9815d | bellard | void test_fbcd(double a) |
| 581 | c5e9815d | bellard | {
|
| 582 | c5e9815d | bellard | unsigned short bcd[5]; |
| 583 | c5e9815d | bellard | double b;
|
| 584 | c5e9815d | bellard | |
| 585 | c5e9815d | bellard | asm("fbstp %0" : "=m" (bcd[0]) : "t" (a) : "st"); |
| 586 | c5e9815d | bellard | asm("fbld %1" : "=t" (b) : "m" (bcd[0])); |
| 587 | c5e9815d | bellard | printf("a=%f bcd=%04x%04x%04x%04x%04x b=%f\n",
|
| 588 | c5e9815d | bellard | a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b); |
| 589 | c5e9815d | bellard | } |
| 590 | c5e9815d | bellard | |
| 591 | 03bfca94 | bellard | #define TEST_ENV(env, prefix)\
|
| 592 | 03bfca94 | bellard | {\
|
| 593 | 03bfca94 | bellard | memset((env), 0xaa, sizeof(*(env)));\ |
| 594 | 03bfca94 | bellard | asm("fld1\n"\ |
| 595 | 03bfca94 | bellard | prefix "fnstenv %1\n"\
|
| 596 | 03bfca94 | bellard | prefix "fldenv %1\n"\
|
| 597 | e3e86d56 | bellard | : "=t" (res) : "m" (*(env)));\ |
| 598 | 03bfca94 | bellard | printf("res=%f\n", res);\
|
| 599 | 03bfca94 | bellard | printf("fpuc=%04x fpus=%04x fptag=%04x\n",\
|
| 600 | 03bfca94 | bellard | (env)->fpuc,\ |
| 601 | 03bfca94 | bellard | (env)->fpus & 0xff00,\
|
| 602 | 03bfca94 | bellard | (env)->fptag);\ |
| 603 | 03bfca94 | bellard | memset((env), 0xaa, sizeof(*(env)));\ |
| 604 | 03bfca94 | bellard | asm("fld1\n"\ |
| 605 | 03bfca94 | bellard | prefix "fnsave %1\n"\
|
| 606 | 03bfca94 | bellard | prefix "frstor %1\n"\
|
| 607 | e3e86d56 | bellard | : "=t" (res) : "m" (*(env)));\ |
| 608 | 03bfca94 | bellard | printf("res=%f\n", res);\
|
| 609 | 03bfca94 | bellard | printf("fpuc=%04x fpus=%04x fptag=%04x\n",\
|
| 610 | 03bfca94 | bellard | (env)->fpuc,\ |
| 611 | 03bfca94 | bellard | (env)->fpus & 0xff00,\
|
| 612 | 03bfca94 | bellard | (env)->fptag);\ |
| 613 | 03bfca94 | bellard | printf("ST(0) = %Lf\n",\
|
| 614 | 03bfca94 | bellard | (env)->fpregs[0]);\
|
| 615 | 03bfca94 | bellard | } |
| 616 | 03bfca94 | bellard | |
| 617 | 03bfca94 | bellard | void test_fenv(void) |
| 618 | 03bfca94 | bellard | {
|
| 619 | 03bfca94 | bellard | struct __attribute__((packed)) {
|
| 620 | 03bfca94 | bellard | uint16_t fpuc; |
| 621 | 03bfca94 | bellard | uint16_t dummy1; |
| 622 | 03bfca94 | bellard | uint16_t fpus; |
| 623 | 03bfca94 | bellard | uint16_t dummy2; |
| 624 | 03bfca94 | bellard | uint16_t fptag; |
| 625 | 03bfca94 | bellard | uint16_t dummy3; |
| 626 | 03bfca94 | bellard | uint32_t ignored[4];
|
| 627 | 03bfca94 | bellard | long double fpregs[8]; |
| 628 | 03bfca94 | bellard | } float_env32; |
| 629 | 03bfca94 | bellard | struct __attribute__((packed)) {
|
| 630 | 03bfca94 | bellard | uint16_t fpuc; |
| 631 | 03bfca94 | bellard | uint16_t fpus; |
| 632 | 03bfca94 | bellard | uint16_t fptag; |
| 633 | 03bfca94 | bellard | uint16_t ignored[4];
|
| 634 | 03bfca94 | bellard | long double fpregs[8]; |
| 635 | 03bfca94 | bellard | } float_env16; |
| 636 | 03bfca94 | bellard | double res;
|
| 637 | 03bfca94 | bellard | |
| 638 | 03bfca94 | bellard | TEST_ENV(&float_env16, "data16 ");
|
| 639 | 03bfca94 | bellard | TEST_ENV(&float_env32, "");
|
| 640 | 03bfca94 | bellard | } |
| 641 | 03bfca94 | bellard | |
| 642 | 9d8e9c09 | bellard | void test_floats(void) |
| 643 | 9d8e9c09 | bellard | {
|
| 644 | 9d8e9c09 | bellard | test_fops(2, 3); |
| 645 | 9d8e9c09 | bellard | test_fops(1.4, -5); |
| 646 | 9d8e9c09 | bellard | test_fcmp(2, -1); |
| 647 | 9d8e9c09 | bellard | test_fcmp(2, 2); |
| 648 | 9d8e9c09 | bellard | test_fcmp(2, 3); |
| 649 | ea768640 | bellard | test_fcvt(0.5); |
| 650 | ea768640 | bellard | test_fcvt(-0.5); |
| 651 | 9d8e9c09 | bellard | test_fcvt(1.0/7.0); |
| 652 | 9d8e9c09 | bellard | test_fcvt(-1.0/9.0); |
| 653 | ea768640 | bellard | test_fcvt(32768);
|
| 654 | ea768640 | bellard | test_fcvt(-1e20);
|
| 655 | 9d8e9c09 | bellard | test_fconst(); |
| 656 | c5e9815d | bellard | test_fbcd(1234567890123456);
|
| 657 | c5e9815d | bellard | test_fbcd(-123451234567890);
|
| 658 | 03bfca94 | bellard | test_fenv(); |
| 659 | 9d8e9c09 | bellard | } |
| 660 | 4b74fe1f | bellard | |
| 661 | 55480af8 | bellard | /**********************************************/
|
| 662 | 55480af8 | bellard | |
| 663 | 55480af8 | bellard | #define TEST_BCD(op, op0, cc_in, cc_mask)\
|
| 664 | 55480af8 | bellard | {\
|
| 665 | 55480af8 | bellard | int res, flags;\
|
| 666 | 55480af8 | bellard | res = op0;\ |
| 667 | 55480af8 | bellard | flags = cc_in;\ |
| 668 | 55480af8 | bellard | asm ("push %3\n\t"\ |
| 669 | 55480af8 | bellard | "popf\n\t"\
|
| 670 | 55480af8 | bellard | #op "\n\t"\ |
| 671 | 55480af8 | bellard | "pushf\n\t"\
|
| 672 | 55480af8 | bellard | "popl %1\n\t"\
|
| 673 | 55480af8 | bellard | : "=a" (res), "=g" (flags)\ |
| 674 | 55480af8 | bellard | : "0" (res), "1" (flags));\ |
| 675 | 55480af8 | bellard | printf("%-10s A=%08x R=%08x CCIN=%04x CC=%04x\n",\
|
| 676 | 55480af8 | bellard | #op, op0, res, cc_in, flags & cc_mask);\
|
| 677 | 55480af8 | bellard | } |
| 678 | 55480af8 | bellard | |
| 679 | 55480af8 | bellard | void test_bcd(void) |
| 680 | 55480af8 | bellard | {
|
| 681 | 55480af8 | bellard | TEST_BCD(daa, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 682 | 55480af8 | bellard | TEST_BCD(daa, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 683 | 55480af8 | bellard | TEST_BCD(daa, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 684 | 55480af8 | bellard | TEST_BCD(daa, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 685 | 55480af8 | bellard | TEST_BCD(daa, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 686 | 55480af8 | bellard | TEST_BCD(daa, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 687 | 55480af8 | bellard | TEST_BCD(daa, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 688 | 55480af8 | bellard | TEST_BCD(daa, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
| 689 | 55480af8 | bellard | TEST_BCD(daa, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
| 690 | 55480af8 | bellard | TEST_BCD(daa, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 691 | 55480af8 | bellard | TEST_BCD(daa, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 692 | 55480af8 | bellard | TEST_BCD(daa, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 693 | 55480af8 | bellard | TEST_BCD(daa, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 694 | 55480af8 | bellard | |
| 695 | 55480af8 | bellard | TEST_BCD(das, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 696 | 55480af8 | bellard | TEST_BCD(das, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 697 | 55480af8 | bellard | TEST_BCD(das, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 698 | 55480af8 | bellard | TEST_BCD(das, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 699 | 55480af8 | bellard | TEST_BCD(das, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 700 | 55480af8 | bellard | TEST_BCD(das, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 701 | 55480af8 | bellard | TEST_BCD(das, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 702 | 55480af8 | bellard | TEST_BCD(das, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
| 703 | 55480af8 | bellard | TEST_BCD(das, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
| 704 | 55480af8 | bellard | TEST_BCD(das, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 705 | 55480af8 | bellard | TEST_BCD(das, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 706 | 55480af8 | bellard | TEST_BCD(das, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 707 | 55480af8 | bellard | TEST_BCD(das, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
| 708 | 55480af8 | bellard | |
| 709 | 55480af8 | bellard | TEST_BCD(aaa, 0x12340205, CC_A, (CC_C | CC_A));
|
| 710 | 55480af8 | bellard | TEST_BCD(aaa, 0x12340306, CC_A, (CC_C | CC_A));
|
| 711 | 55480af8 | bellard | TEST_BCD(aaa, 0x1234040a, CC_A, (CC_C | CC_A));
|
| 712 | 55480af8 | bellard | TEST_BCD(aaa, 0x123405fa, CC_A, (CC_C | CC_A));
|
| 713 | 55480af8 | bellard | TEST_BCD(aaa, 0x12340205, 0, (CC_C | CC_A)); |
| 714 | 55480af8 | bellard | TEST_BCD(aaa, 0x12340306, 0, (CC_C | CC_A)); |
| 715 | 55480af8 | bellard | TEST_BCD(aaa, 0x1234040a, 0, (CC_C | CC_A)); |
| 716 | 55480af8 | bellard | TEST_BCD(aaa, 0x123405fa, 0, (CC_C | CC_A)); |
| 717 | 55480af8 | bellard | |
| 718 | 55480af8 | bellard | TEST_BCD(aas, 0x12340205, CC_A, (CC_C | CC_A));
|
| 719 | 55480af8 | bellard | TEST_BCD(aas, 0x12340306, CC_A, (CC_C | CC_A));
|
| 720 | 55480af8 | bellard | TEST_BCD(aas, 0x1234040a, CC_A, (CC_C | CC_A));
|
| 721 | 55480af8 | bellard | TEST_BCD(aas, 0x123405fa, CC_A, (CC_C | CC_A));
|
| 722 | 55480af8 | bellard | TEST_BCD(aas, 0x12340205, 0, (CC_C | CC_A)); |
| 723 | 55480af8 | bellard | TEST_BCD(aas, 0x12340306, 0, (CC_C | CC_A)); |
| 724 | 55480af8 | bellard | TEST_BCD(aas, 0x1234040a, 0, (CC_C | CC_A)); |
| 725 | 55480af8 | bellard | TEST_BCD(aas, 0x123405fa, 0, (CC_C | CC_A)); |
| 726 | 55480af8 | bellard | |
| 727 | 55480af8 | bellard | TEST_BCD(aam, 0x12340547, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));
|
| 728 | 55480af8 | bellard | TEST_BCD(aad, 0x12340407, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));
|
| 729 | 55480af8 | bellard | } |
| 730 | 55480af8 | bellard | |
| 731 | e5918247 | bellard | #define TEST_XCHG(op, size, opconst)\
|
| 732 | e5918247 | bellard | {\
|
| 733 | e5918247 | bellard | int op0, op1;\
|
| 734 | e5918247 | bellard | op0 = 0x12345678;\
|
| 735 | e5918247 | bellard | op1 = 0xfbca7654;\
|
| 736 | e5918247 | bellard | asm(#op " %" size "0, %" size "1" \ |
| 737 | e5918247 | bellard | : "=q" (op0), opconst (op1) \
|
| 738 | e5918247 | bellard | : "0" (op0), "1" (op1));\ |
| 739 | e5918247 | bellard | printf("%-10s A=%08x B=%08x\n",\
|
| 740 | e5918247 | bellard | #op, op0, op1);\
|
| 741 | e5918247 | bellard | } |
| 742 | e5918247 | bellard | |
| 743 | e5918247 | bellard | #define TEST_CMPXCHG(op, size, opconst, eax)\
|
| 744 | e5918247 | bellard | {\
|
| 745 | e5918247 | bellard | int op0, op1;\
|
| 746 | e5918247 | bellard | op0 = 0x12345678;\
|
| 747 | e5918247 | bellard | op1 = 0xfbca7654;\
|
| 748 | e5918247 | bellard | asm(#op " %" size "0, %" size "1" \ |
| 749 | e5918247 | bellard | : "=q" (op0), opconst (op1) \
|
| 750 | e5918247 | bellard | : "0" (op0), "1" (op1), "a" (eax));\ |
| 751 | e5918247 | bellard | printf("%-10s EAX=%08x A=%08x C=%08x\n",\
|
| 752 | e5918247 | bellard | #op, eax, op0, op1);\
|
| 753 | e5918247 | bellard | } |
| 754 | e5918247 | bellard | |
| 755 | e5918247 | bellard | void test_xchg(void) |
| 756 | e5918247 | bellard | {
|
| 757 | e5918247 | bellard | TEST_XCHG(xchgl, "", "=q"); |
| 758 | e5918247 | bellard | TEST_XCHG(xchgw, "w", "=q"); |
| 759 | e5918247 | bellard | TEST_XCHG(xchgb, "b", "=q"); |
| 760 | e5918247 | bellard | |
| 761 | e5918247 | bellard | TEST_XCHG(xchgl, "", "=m"); |
| 762 | e5918247 | bellard | TEST_XCHG(xchgw, "w", "=m"); |
| 763 | e5918247 | bellard | TEST_XCHG(xchgb, "b", "=m"); |
| 764 | e5918247 | bellard | |
| 765 | e5918247 | bellard | TEST_XCHG(xaddl, "", "=q"); |
| 766 | e5918247 | bellard | TEST_XCHG(xaddw, "w", "=q"); |
| 767 | e5918247 | bellard | TEST_XCHG(xaddb, "b", "=q"); |
| 768 | e5918247 | bellard | |
| 769 | e5918247 | bellard | TEST_XCHG(xaddl, "", "=m"); |
| 770 | e5918247 | bellard | TEST_XCHG(xaddw, "w", "=m"); |
| 771 | e5918247 | bellard | TEST_XCHG(xaddb, "b", "=m"); |
| 772 | e5918247 | bellard | |
| 773 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgl, "", "=q", 0xfbca7654); |
| 774 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfbca7654); |
| 775 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfbca7654); |
| 776 | e5918247 | bellard | |
| 777 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgl, "", "=q", 0xfffefdfc); |
| 778 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfffefdfc); |
| 779 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfffefdfc); |
| 780 | e5918247 | bellard | |
| 781 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfbca7654); |
| 782 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfbca7654); |
| 783 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfbca7654); |
| 784 | e5918247 | bellard | |
| 785 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfffefdfc); |
| 786 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfffefdfc); |
| 787 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfffefdfc); |
| 788 | e5918247 | bellard | } |
| 789 | e5918247 | bellard | |
| 790 | 6dbad63e | bellard | /**********************************************/
|
| 791 | 6dbad63e | bellard | /* segmentation tests */
|
| 792 | 6dbad63e | bellard | |
| 793 | 6dbad63e | bellard | #include <asm/ldt.h> |
| 794 | 6dbad63e | bellard | #include <linux/unistd.h> |
| 795 | 6dbad63e | bellard | |
| 796 | 6dbad63e | bellard | _syscall3(int, modify_ldt, int, func, void *, ptr, unsigned long, bytecount) |
| 797 | 6dbad63e | bellard | |
| 798 | 6dbad63e | bellard | uint8_t seg_data1[4096];
|
| 799 | 6dbad63e | bellard | uint8_t seg_data2[4096];
|
| 800 | 6dbad63e | bellard | |
| 801 | e5918247 | bellard | #define MK_SEL(n) (((n) << 3) | 7) |
| 802 | 6dbad63e | bellard | |
| 803 | 288426fe | bellard | #define TEST_LR(op, size, seg, mask)\
|
| 804 | 288426fe | bellard | {\
|
| 805 | 288426fe | bellard | int res, res2;\
|
| 806 | 288426fe | bellard | res = 0x12345678;\
|
| 807 | 288426fe | bellard | asm (op " %" size "2, %" size "0\n" \ |
| 808 | 288426fe | bellard | "movl $0, %1\n"\
|
| 809 | 288426fe | bellard | "jnz 1f\n"\
|
| 810 | 288426fe | bellard | "movl $1, %1\n"\
|
| 811 | 288426fe | bellard | "1:\n"\
|
| 812 | 288426fe | bellard | : "=r" (res), "=r" (res2) : "m" (seg), "0" (res));\ |
| 813 | 288426fe | bellard | printf(op ": Z=%d %08x\n", res2, res & ~(mask));\
|
| 814 | 288426fe | bellard | } |
| 815 | 288426fe | bellard | |
| 816 | 6dbad63e | bellard | /* NOTE: we use Linux modify_ldt syscall */
|
| 817 | 6dbad63e | bellard | void test_segs(void) |
| 818 | 6dbad63e | bellard | {
|
| 819 | 6dbad63e | bellard | struct modify_ldt_ldt_s ldt;
|
| 820 | 6dbad63e | bellard | long long ldt_table[3]; |
| 821 | 04369ff2 | bellard | int res, res2;
|
| 822 | 6dbad63e | bellard | char tmp;
|
| 823 | e1d4294a | bellard | struct {
|
| 824 | e1d4294a | bellard | uint32_t offset; |
| 825 | e1d4294a | bellard | uint16_t seg; |
| 826 | e1d4294a | bellard | } __attribute__((packed)) segoff; |
| 827 | 6dbad63e | bellard | |
| 828 | 6dbad63e | bellard | ldt.entry_number = 1;
|
| 829 | 6dbad63e | bellard | ldt.base_addr = (unsigned long)&seg_data1; |
| 830 | 6dbad63e | bellard | ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12; |
| 831 | 6dbad63e | bellard | ldt.seg_32bit = 1;
|
| 832 | 6dbad63e | bellard | ldt.contents = MODIFY_LDT_CONTENTS_DATA; |
| 833 | 6dbad63e | bellard | ldt.read_exec_only = 0;
|
| 834 | 6dbad63e | bellard | ldt.limit_in_pages = 1;
|
| 835 | 6dbad63e | bellard | ldt.seg_not_present = 0;
|
| 836 | 6dbad63e | bellard | ldt.useable = 1;
|
| 837 | 6dbad63e | bellard | modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
| 838 | 6dbad63e | bellard | |
| 839 | 6dbad63e | bellard | ldt.entry_number = 2;
|
| 840 | 6dbad63e | bellard | ldt.base_addr = (unsigned long)&seg_data2; |
| 841 | 6dbad63e | bellard | ldt.limit = (sizeof(seg_data2) + 0xfff) >> 12; |
| 842 | 6dbad63e | bellard | ldt.seg_32bit = 1;
|
| 843 | 6dbad63e | bellard | ldt.contents = MODIFY_LDT_CONTENTS_DATA; |
| 844 | 6dbad63e | bellard | ldt.read_exec_only = 0;
|
| 845 | 6dbad63e | bellard | ldt.limit_in_pages = 1;
|
| 846 | 6dbad63e | bellard | ldt.seg_not_present = 0;
|
| 847 | 6dbad63e | bellard | ldt.useable = 1;
|
| 848 | 6dbad63e | bellard | modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
| 849 | 6dbad63e | bellard | |
| 850 | 6dbad63e | bellard | modify_ldt(0, &ldt_table, sizeof(ldt_table)); /* read ldt entries */ |
| 851 | 04369ff2 | bellard | #if 0
|
| 852 | 04369ff2 | bellard | {
|
| 853 | 04369ff2 | bellard | int i;
|
| 854 | 04369ff2 | bellard | for(i=0;i<3;i++)
|
| 855 | 04369ff2 | bellard | printf("%d: %016Lx\n", i, ldt_table[i]);
|
| 856 | 04369ff2 | bellard | }
|
| 857 | 04369ff2 | bellard | #endif
|
| 858 | 6dbad63e | bellard | /* do some tests with fs or gs */
|
| 859 | 6dbad63e | bellard | asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1))); |
| 860 | 6dbad63e | bellard | |
| 861 | 6dbad63e | bellard | seg_data1[1] = 0xaa; |
| 862 | 6dbad63e | bellard | seg_data2[1] = 0x55; |
| 863 | 6dbad63e | bellard | |
| 864 | 6dbad63e | bellard | asm volatile ("fs movzbl 0x1, %0" : "=r" (res)); |
| 865 | 6dbad63e | bellard | printf("FS[1] = %02x\n", res);
|
| 866 | 6dbad63e | bellard | |
| 867 | 070893f4 | bellard | asm volatile ("pushl %%gs\n" |
| 868 | 070893f4 | bellard | "movl %1, %%gs\n"
|
| 869 | 070893f4 | bellard | "gs movzbl 0x1, %0\n"
|
| 870 | 070893f4 | bellard | "popl %%gs\n"
|
| 871 | 070893f4 | bellard | : "=r" (res)
|
| 872 | 070893f4 | bellard | : "r" (MK_SEL(2))); |
| 873 | 6dbad63e | bellard | printf("GS[1] = %02x\n", res);
|
| 874 | 6dbad63e | bellard | |
| 875 | 6dbad63e | bellard | /* tests with ds/ss (implicit segment case) */
|
| 876 | 6dbad63e | bellard | tmp = 0xa5;
|
| 877 | 6dbad63e | bellard | asm volatile ("pushl %%ebp\n\t" |
| 878 | 6dbad63e | bellard | "pushl %%ds\n\t"
|
| 879 | 6dbad63e | bellard | "movl %2, %%ds\n\t"
|
| 880 | 6dbad63e | bellard | "movl %3, %%ebp\n\t"
|
| 881 | 6dbad63e | bellard | "movzbl 0x1, %0\n\t"
|
| 882 | 6dbad63e | bellard | "movzbl (%%ebp), %1\n\t"
|
| 883 | 6dbad63e | bellard | "popl %%ds\n\t"
|
| 884 | 6dbad63e | bellard | "popl %%ebp\n\t"
|
| 885 | 6dbad63e | bellard | : "=r" (res), "=r" (res2) |
| 886 | 6dbad63e | bellard | : "r" (MK_SEL(1)), "r" (&tmp)); |
| 887 | 6dbad63e | bellard | printf("DS[1] = %02x\n", res);
|
| 888 | 6dbad63e | bellard | printf("SS[tmp] = %02x\n", res2);
|
| 889 | e1d4294a | bellard | |
| 890 | e1d4294a | bellard | segoff.seg = MK_SEL(2);
|
| 891 | e1d4294a | bellard | segoff.offset = 0xabcdef12;
|
| 892 | e1d4294a | bellard | asm volatile("lfs %2, %0\n\t" |
| 893 | e1d4294a | bellard | "movl %%fs, %1\n\t"
|
| 894 | e1d4294a | bellard | : "=r" (res), "=g" (res2) |
| 895 | e1d4294a | bellard | : "m" (segoff));
|
| 896 | e1d4294a | bellard | printf("FS:reg = %04x:%08x\n", res2, res);
|
| 897 | 288426fe | bellard | |
| 898 | 288426fe | bellard | TEST_LR("larw", "w", MK_SEL(2), 0x0100); |
| 899 | 288426fe | bellard | TEST_LR("larl", "", MK_SEL(2), 0x0100); |
| 900 | 288426fe | bellard | TEST_LR("lslw", "w", MK_SEL(2), 0); |
| 901 | 288426fe | bellard | TEST_LR("lsll", "", MK_SEL(2), 0); |
| 902 | 288426fe | bellard | |
| 903 | 288426fe | bellard | TEST_LR("larw", "w", 0xfff8, 0); |
| 904 | 288426fe | bellard | TEST_LR("larl", "", 0xfff8, 0); |
| 905 | 288426fe | bellard | TEST_LR("lslw", "w", 0xfff8, 0); |
| 906 | 288426fe | bellard | TEST_LR("lsll", "", 0xfff8, 0); |
| 907 | 6dbad63e | bellard | } |
| 908 | 55480af8 | bellard | |
| 909 | e5918247 | bellard | /* 16 bit code test */
|
| 910 | e5918247 | bellard | extern char code16_start, code16_end; |
| 911 | e5918247 | bellard | extern char code16_func1; |
| 912 | e5918247 | bellard | extern char code16_func2; |
| 913 | e5918247 | bellard | extern char code16_func3; |
| 914 | a300e691 | bellard | |
| 915 | e5918247 | bellard | void test_code16(void) |
| 916 | 1a9353d2 | bellard | {
|
| 917 | e5918247 | bellard | struct modify_ldt_ldt_s ldt;
|
| 918 | e5918247 | bellard | int res, res2;
|
| 919 | a300e691 | bellard | |
| 920 | e5918247 | bellard | /* build a code segment */
|
| 921 | e5918247 | bellard | ldt.entry_number = 1;
|
| 922 | e5918247 | bellard | ldt.base_addr = (unsigned long)&code16_start; |
| 923 | e5918247 | bellard | ldt.limit = &code16_end - &code16_start; |
| 924 | e5918247 | bellard | ldt.seg_32bit = 0;
|
| 925 | e5918247 | bellard | ldt.contents = MODIFY_LDT_CONTENTS_CODE; |
| 926 | e5918247 | bellard | ldt.read_exec_only = 0;
|
| 927 | e5918247 | bellard | ldt.limit_in_pages = 0;
|
| 928 | e5918247 | bellard | ldt.seg_not_present = 0;
|
| 929 | e5918247 | bellard | ldt.useable = 1;
|
| 930 | e5918247 | bellard | modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
| 931 | a300e691 | bellard | |
| 932 | e5918247 | bellard | /* call the first function */
|
| 933 | e5918247 | bellard | asm volatile ("lcall %1, %2" |
| 934 | e5918247 | bellard | : "=a" (res)
|
| 935 | e5918247 | bellard | : "i" (MK_SEL(1)), "i" (&code16_func1): "memory", "cc"); |
| 936 | e5918247 | bellard | printf("func1() = 0x%08x\n", res);
|
| 937 | e5918247 | bellard | asm volatile ("lcall %2, %3" |
| 938 | e5918247 | bellard | : "=a" (res), "=c" (res2) |
| 939 | e5918247 | bellard | : "i" (MK_SEL(1)), "i" (&code16_func2): "memory", "cc"); |
| 940 | e5918247 | bellard | printf("func2() = 0x%08x spdec=%d\n", res, res2);
|
| 941 | e5918247 | bellard | asm volatile ("lcall %1, %2" |
| 942 | e5918247 | bellard | : "=a" (res)
|
| 943 | e5918247 | bellard | : "i" (MK_SEL(1)), "i" (&code16_func3): "memory", "cc"); |
| 944 | e5918247 | bellard | printf("func3() = 0x%08x\n", res);
|
| 945 | 1a9353d2 | bellard | } |
| 946 | 1a9353d2 | bellard | |
| 947 | dd3587f3 | bellard | extern char func_lret32; |
| 948 | dd3587f3 | bellard | extern char func_iret32; |
| 949 | dd3587f3 | bellard | |
| 950 | e1d4294a | bellard | void test_misc(void) |
| 951 | e1d4294a | bellard | {
|
| 952 | e1d4294a | bellard | char table[256]; |
| 953 | e1d4294a | bellard | int res, i;
|
| 954 | e1d4294a | bellard | |
| 955 | e1d4294a | bellard | for(i=0;i<256;i++) table[i] = 256 - i; |
| 956 | e1d4294a | bellard | res = 0x12345678;
|
| 957 | e1d4294a | bellard | asm ("xlat" : "=a" (res) : "b" (table), "0" (res)); |
| 958 | e1d4294a | bellard | printf("xlat: EAX=%08x\n", res);
|
| 959 | dd3587f3 | bellard | |
| 960 | dd3587f3 | bellard | asm volatile ("pushl %%cs ; call %1" |
| 961 | dd3587f3 | bellard | : "=a" (res)
|
| 962 | dd3587f3 | bellard | : "m" (func_lret32): "memory", "cc"); |
| 963 | dd3587f3 | bellard | printf("func_lret32=%x\n", res);
|
| 964 | dd3587f3 | bellard | |
| 965 | dd3587f3 | bellard | asm volatile ("pushfl ; pushl %%cs ; call %1" |
| 966 | dd3587f3 | bellard | : "=a" (res)
|
| 967 | dd3587f3 | bellard | : "m" (func_iret32): "memory", "cc"); |
| 968 | dd3587f3 | bellard | printf("func_iret32=%x\n", res);
|
| 969 | dd3587f3 | bellard | |
| 970 | dd3587f3 | bellard | /* specific popl test */
|
| 971 | dd3587f3 | bellard | asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popl (%%esp) ; popl %0" |
| 972 | dd3587f3 | bellard | : "=g" (res));
|
| 973 | dd3587f3 | bellard | printf("popl esp=%x\n", res);
|
| 974 | b2b5fb22 | bellard | |
| 975 | b2b5fb22 | bellard | /* specific popw test */
|
| 976 | b2b5fb22 | bellard | asm volatile ("pushl $12345432 ; pushl $0x9abcdef ; popw (%%esp) ; addl $2, %%esp ; popl %0" |
| 977 | b2b5fb22 | bellard | : "=g" (res));
|
| 978 | b2b5fb22 | bellard | printf("popw esp=%x\n", res);
|
| 979 | e1d4294a | bellard | } |
| 980 | e1d4294a | bellard | |
| 981 | e1d4294a | bellard | uint8_t str_buffer[4096];
|
| 982 | e1d4294a | bellard | |
| 983 | e1d4294a | bellard | #define TEST_STRING1(OP, size, DF, REP)\
|
| 984 | e1d4294a | bellard | {\
|
| 985 | e1d4294a | bellard | int esi, edi, eax, ecx, eflags;\
|
| 986 | e1d4294a | bellard | \ |
| 987 | e1d4294a | bellard | esi = (long)(str_buffer + sizeof(str_buffer) / 2);\ |
| 988 | e1d4294a | bellard | edi = (long)(str_buffer + sizeof(str_buffer) / 2) + 16;\ |
| 989 | e1d4294a | bellard | eax = 0x12345678;\
|
| 990 | e1d4294a | bellard | ecx = 17;\
|
| 991 | e1d4294a | bellard | \ |
| 992 | e1d4294a | bellard | asm volatile ("pushl $0\n\t"\ |
| 993 | e1d4294a | bellard | "popf\n\t"\
|
| 994 | e1d4294a | bellard | DF "\n\t"\
|
| 995 | e1d4294a | bellard | REP #OP size "\n\t"\ |
| 996 | e1d4294a | bellard | "cld\n\t"\
|
| 997 | e1d4294a | bellard | "pushf\n\t"\
|
| 998 | e1d4294a | bellard | "popl %4\n\t"\
|
| 999 | e1d4294a | bellard | : "=S" (esi), "=D" (edi), "=a" (eax), "=c" (ecx), "=g" (eflags)\ |
| 1000 | e1d4294a | bellard | : "0" (esi), "1" (edi), "2" (eax), "3" (ecx));\ |
| 1001 | e1d4294a | bellard | printf("%-10s ESI=%08x EDI=%08x EAX=%08x ECX=%08x EFL=%04x\n",\
|
| 1002 | e1d4294a | bellard | REP #OP size, esi, edi, eax, ecx,\
|
| 1003 | e1d4294a | bellard | eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));\ |
| 1004 | e1d4294a | bellard | } |
| 1005 | e1d4294a | bellard | |
| 1006 | e1d4294a | bellard | #define TEST_STRING(OP, REP)\
|
| 1007 | e1d4294a | bellard | TEST_STRING1(OP, "b", "", REP);\ |
| 1008 | e1d4294a | bellard | TEST_STRING1(OP, "w", "", REP);\ |
| 1009 | e1d4294a | bellard | TEST_STRING1(OP, "l", "", REP);\ |
| 1010 | e1d4294a | bellard | TEST_STRING1(OP, "b", "std", REP);\ |
| 1011 | e1d4294a | bellard | TEST_STRING1(OP, "w", "std", REP);\ |
| 1012 | e1d4294a | bellard | TEST_STRING1(OP, "l", "std", REP) |
| 1013 | e1d4294a | bellard | |
| 1014 | e1d4294a | bellard | void test_string(void) |
| 1015 | e1d4294a | bellard | {
|
| 1016 | e1d4294a | bellard | int i;
|
| 1017 | e1d4294a | bellard | for(i = 0;i < sizeof(str_buffer); i++) |
| 1018 | e1d4294a | bellard | str_buffer[i] = i + 0x56;
|
| 1019 | e1d4294a | bellard | TEST_STRING(stos, "");
|
| 1020 | e1d4294a | bellard | TEST_STRING(stos, "rep ");
|
| 1021 | e1d4294a | bellard | TEST_STRING(lods, ""); /* to verify stos */ |
| 1022 | e1d4294a | bellard | TEST_STRING(lods, "rep ");
|
| 1023 | e1d4294a | bellard | TEST_STRING(movs, "");
|
| 1024 | e1d4294a | bellard | TEST_STRING(movs, "rep ");
|
| 1025 | e1d4294a | bellard | TEST_STRING(lods, ""); /* to verify stos */ |
| 1026 | e1d4294a | bellard | |
| 1027 | e1d4294a | bellard | /* XXX: better tests */
|
| 1028 | e1d4294a | bellard | TEST_STRING(scas, "");
|
| 1029 | e1d4294a | bellard | TEST_STRING(scas, "repz ");
|
| 1030 | e1d4294a | bellard | TEST_STRING(scas, "repnz ");
|
| 1031 | e1d4294a | bellard | TEST_STRING(cmps, "");
|
| 1032 | e1d4294a | bellard | TEST_STRING(cmps, "repz ");
|
| 1033 | e1d4294a | bellard | TEST_STRING(cmps, "repnz ");
|
| 1034 | e1d4294a | bellard | } |
| 1035 | e5918247 | bellard | |
| 1036 | 3a27ad0b | bellard | /* VM86 test */
|
| 1037 | 3a27ad0b | bellard | |
| 1038 | 3a27ad0b | bellard | static inline void set_bit(uint8_t *a, unsigned int bit) |
| 1039 | 3a27ad0b | bellard | {
|
| 1040 | 3a27ad0b | bellard | a[bit / 8] |= (1 << (bit % 8)); |
| 1041 | 3a27ad0b | bellard | } |
| 1042 | 3a27ad0b | bellard | |
| 1043 | 3a27ad0b | bellard | static inline uint8_t *seg_to_linear(unsigned int seg, unsigned int reg) |
| 1044 | 3a27ad0b | bellard | {
|
| 1045 | 3a27ad0b | bellard | return (uint8_t *)((seg << 4) + (reg & 0xffff)); |
| 1046 | 3a27ad0b | bellard | } |
| 1047 | 3a27ad0b | bellard | |
| 1048 | 3a27ad0b | bellard | static inline void pushw(struct vm86_regs *r, int val) |
| 1049 | 3a27ad0b | bellard | {
|
| 1050 | 3a27ad0b | bellard | r->esp = (r->esp & ~0xffff) | ((r->esp - 2) & 0xffff); |
| 1051 | 3a27ad0b | bellard | *(uint16_t *)seg_to_linear(r->ss, r->esp) = val; |
| 1052 | 3a27ad0b | bellard | } |
| 1053 | 3a27ad0b | bellard | |
| 1054 | 3a27ad0b | bellard | #undef __syscall_return
|
| 1055 | 3a27ad0b | bellard | #define __syscall_return(type, res) \
|
| 1056 | 3a27ad0b | bellard | do { \
|
| 1057 | 3a27ad0b | bellard | return (type) (res); \
|
| 1058 | 3a27ad0b | bellard | } while (0) |
| 1059 | 3a27ad0b | bellard | |
| 1060 | 3a27ad0b | bellard | _syscall2(int, vm86, int, func, struct vm86plus_struct *, v86) |
| 1061 | 3a27ad0b | bellard | |
| 1062 | 3a27ad0b | bellard | extern char vm86_code_start; |
| 1063 | 3a27ad0b | bellard | extern char vm86_code_end; |
| 1064 | 3a27ad0b | bellard | |
| 1065 | 3a27ad0b | bellard | #define VM86_CODE_CS 0x100 |
| 1066 | 3a27ad0b | bellard | #define VM86_CODE_IP 0x100 |
| 1067 | 3a27ad0b | bellard | |
| 1068 | 3a27ad0b | bellard | void test_vm86(void) |
| 1069 | 3a27ad0b | bellard | {
|
| 1070 | 3a27ad0b | bellard | struct vm86plus_struct ctx;
|
| 1071 | 3a27ad0b | bellard | struct vm86_regs *r;
|
| 1072 | 3a27ad0b | bellard | uint8_t *vm86_mem; |
| 1073 | 3a27ad0b | bellard | int seg, ret;
|
| 1074 | 3a27ad0b | bellard | |
| 1075 | 3a27ad0b | bellard | vm86_mem = mmap((void *)0x00000000, 0x110000, |
| 1076 | 3a27ad0b | bellard | PROT_WRITE | PROT_READ | PROT_EXEC, |
| 1077 | 3a27ad0b | bellard | MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0); |
| 1078 | 3a27ad0b | bellard | if (vm86_mem == MAP_FAILED) {
|
| 1079 | 3a27ad0b | bellard | printf("ERROR: could not map vm86 memory");
|
| 1080 | 3a27ad0b | bellard | return;
|
| 1081 | 3a27ad0b | bellard | } |
| 1082 | 3a27ad0b | bellard | memset(&ctx, 0, sizeof(ctx)); |
| 1083 | 3a27ad0b | bellard | |
| 1084 | 3a27ad0b | bellard | /* init basic registers */
|
| 1085 | 3a27ad0b | bellard | r = &ctx.regs; |
| 1086 | 3a27ad0b | bellard | r->eip = VM86_CODE_IP; |
| 1087 | 3a27ad0b | bellard | r->esp = 0xfffe;
|
| 1088 | 3a27ad0b | bellard | seg = VM86_CODE_CS; |
| 1089 | 3a27ad0b | bellard | r->cs = seg; |
| 1090 | 3a27ad0b | bellard | r->ss = seg; |
| 1091 | 3a27ad0b | bellard | r->ds = seg; |
| 1092 | 3a27ad0b | bellard | r->es = seg; |
| 1093 | 3a27ad0b | bellard | r->fs = seg; |
| 1094 | 3a27ad0b | bellard | r->gs = seg; |
| 1095 | 3a27ad0b | bellard | r->eflags = VIF_MASK; |
| 1096 | 3a27ad0b | bellard | |
| 1097 | 3a27ad0b | bellard | /* move code to proper address. We use the same layout as a .com
|
| 1098 | 3a27ad0b | bellard | dos program. */
|
| 1099 | 3a27ad0b | bellard | memcpy(vm86_mem + (VM86_CODE_CS << 4) + VM86_CODE_IP,
|
| 1100 | 3a27ad0b | bellard | &vm86_code_start, &vm86_code_end - &vm86_code_start); |
| 1101 | 3a27ad0b | bellard | |
| 1102 | 3a27ad0b | bellard | /* mark int 0x21 as being emulated */
|
| 1103 | 3a27ad0b | bellard | set_bit((uint8_t *)&ctx.int_revectored, 0x21);
|
| 1104 | 3a27ad0b | bellard | |
| 1105 | 3a27ad0b | bellard | for(;;) {
|
| 1106 | 3a27ad0b | bellard | ret = vm86(VM86_ENTER, &ctx); |
| 1107 | 3a27ad0b | bellard | switch(VM86_TYPE(ret)) {
|
| 1108 | 3a27ad0b | bellard | case VM86_INTx:
|
| 1109 | 3a27ad0b | bellard | {
|
| 1110 | 3ff0631e | bellard | int int_num, ah, v;
|
| 1111 | 3a27ad0b | bellard | |
| 1112 | 3a27ad0b | bellard | int_num = VM86_ARG(ret); |
| 1113 | 3a27ad0b | bellard | if (int_num != 0x21) |
| 1114 | 3a27ad0b | bellard | goto unknown_int;
|
| 1115 | 3a27ad0b | bellard | ah = (r->eax >> 8) & 0xff; |
| 1116 | 3a27ad0b | bellard | switch(ah) {
|
| 1117 | 3a27ad0b | bellard | case 0x00: /* exit */ |
| 1118 | 3a27ad0b | bellard | goto the_end;
|
| 1119 | 3a27ad0b | bellard | case 0x02: /* write char */ |
| 1120 | 3a27ad0b | bellard | {
|
| 1121 | 3a27ad0b | bellard | uint8_t c = r->edx; |
| 1122 | 3a27ad0b | bellard | putchar(c); |
| 1123 | 3a27ad0b | bellard | } |
| 1124 | 3a27ad0b | bellard | break;
|
| 1125 | 3a27ad0b | bellard | case 0x09: /* write string */ |
| 1126 | 3a27ad0b | bellard | {
|
| 1127 | 3a27ad0b | bellard | uint8_t c, *ptr; |
| 1128 | 3a27ad0b | bellard | ptr = seg_to_linear(r->ds, r->edx); |
| 1129 | 3a27ad0b | bellard | for(;;) {
|
| 1130 | 3a27ad0b | bellard | c = *ptr++; |
| 1131 | 3a27ad0b | bellard | if (c == '$') |
| 1132 | 3a27ad0b | bellard | break;
|
| 1133 | 3a27ad0b | bellard | putchar(c); |
| 1134 | 3a27ad0b | bellard | } |
| 1135 | 3a27ad0b | bellard | r->eax = (r->eax & ~0xff) | '$'; |
| 1136 | 3a27ad0b | bellard | } |
| 1137 | 3a27ad0b | bellard | break;
|
| 1138 | 3ff0631e | bellard | case 0xff: /* extension: write eflags number in edx */ |
| 1139 | 3ff0631e | bellard | v = (int)r->edx;
|
| 1140 | 3ff0631e | bellard | #ifndef LINUX_VM86_IOPL_FIX
|
| 1141 | 3ff0631e | bellard | v &= ~0x3000;
|
| 1142 | 3ff0631e | bellard | #endif
|
| 1143 | 3ff0631e | bellard | printf("%08x\n", v);
|
| 1144 | 3a27ad0b | bellard | break;
|
| 1145 | 3a27ad0b | bellard | default:
|
| 1146 | 3a27ad0b | bellard | unknown_int:
|
| 1147 | 3a27ad0b | bellard | printf("unsupported int 0x%02x\n", int_num);
|
| 1148 | 3a27ad0b | bellard | goto the_end;
|
| 1149 | 3a27ad0b | bellard | } |
| 1150 | 3a27ad0b | bellard | } |
| 1151 | 3a27ad0b | bellard | break;
|
| 1152 | 3a27ad0b | bellard | case VM86_SIGNAL:
|
| 1153 | 3a27ad0b | bellard | /* a signal came, we just ignore that */
|
| 1154 | 3a27ad0b | bellard | break;
|
| 1155 | 3a27ad0b | bellard | case VM86_STI:
|
| 1156 | 3a27ad0b | bellard | break;
|
| 1157 | 3a27ad0b | bellard | default:
|
| 1158 | 3a27ad0b | bellard | printf("ERROR: unhandled vm86 return code (0x%x)\n", ret);
|
| 1159 | 3a27ad0b | bellard | goto the_end;
|
| 1160 | 3a27ad0b | bellard | } |
| 1161 | 3a27ad0b | bellard | } |
| 1162 | 3a27ad0b | bellard | the_end:
|
| 1163 | 3a27ad0b | bellard | printf("VM86 end\n");
|
| 1164 | 3a27ad0b | bellard | munmap(vm86_mem, 0x110000);
|
| 1165 | 3a27ad0b | bellard | } |
| 1166 | 3a27ad0b | bellard | |
| 1167 | 3a27ad0b | bellard | /* exception tests */
|
| 1168 | 3a27ad0b | bellard | #ifndef REG_EAX
|
| 1169 | 3a27ad0b | bellard | #define REG_EAX EAX
|
| 1170 | 3a27ad0b | bellard | #define REG_EBX EBX
|
| 1171 | 3a27ad0b | bellard | #define REG_ECX ECX
|
| 1172 | 3a27ad0b | bellard | #define REG_EDX EDX
|
| 1173 | 3a27ad0b | bellard | #define REG_ESI ESI
|
| 1174 | 3a27ad0b | bellard | #define REG_EDI EDI
|
| 1175 | 3a27ad0b | bellard | #define REG_EBP EBP
|
| 1176 | 3a27ad0b | bellard | #define REG_ESP ESP
|
| 1177 | 3a27ad0b | bellard | #define REG_EIP EIP
|
| 1178 | 3a27ad0b | bellard | #define REG_EFL EFL
|
| 1179 | 3a27ad0b | bellard | #define REG_TRAPNO TRAPNO
|
| 1180 | 3a27ad0b | bellard | #define REG_ERR ERR
|
| 1181 | 3a27ad0b | bellard | #endif
|
| 1182 | 3a27ad0b | bellard | |
| 1183 | 3a27ad0b | bellard | jmp_buf jmp_env; |
| 1184 | 3a27ad0b | bellard | int v1;
|
| 1185 | 3a27ad0b | bellard | int tab[2]; |
| 1186 | 3a27ad0b | bellard | |
| 1187 | 3a27ad0b | bellard | void sig_handler(int sig, siginfo_t *info, void *puc) |
| 1188 | 3a27ad0b | bellard | {
|
| 1189 | 3a27ad0b | bellard | struct ucontext *uc = puc;
|
| 1190 | 3a27ad0b | bellard | |
| 1191 | 3a27ad0b | bellard | printf("si_signo=%d si_errno=%d si_code=%d",
|
| 1192 | 3a27ad0b | bellard | info->si_signo, info->si_errno, info->si_code); |
| 1193 | e3b32540 | bellard | printf(" si_addr=0x%08lx",
|
| 1194 | e3b32540 | bellard | (unsigned long)info->si_addr); |
| 1195 | 3a27ad0b | bellard | printf("\n");
|
| 1196 | 3a27ad0b | bellard | |
| 1197 | 3a27ad0b | bellard | printf("trapno=0x%02x err=0x%08x",
|
| 1198 | 3a27ad0b | bellard | uc->uc_mcontext.gregs[REG_TRAPNO], |
| 1199 | 3a27ad0b | bellard | uc->uc_mcontext.gregs[REG_ERR]); |
| 1200 | e3b32540 | bellard | printf(" EIP=0x%08x", uc->uc_mcontext.gregs[REG_EIP]);
|
| 1201 | 3a27ad0b | bellard | printf("\n");
|
| 1202 | 3a27ad0b | bellard | longjmp(jmp_env, 1);
|
| 1203 | 3a27ad0b | bellard | } |
| 1204 | 3a27ad0b | bellard | |
| 1205 | 3a27ad0b | bellard | void test_exceptions(void) |
| 1206 | 3a27ad0b | bellard | {
|
| 1207 | e3b32540 | bellard | struct modify_ldt_ldt_s ldt;
|
| 1208 | 3a27ad0b | bellard | struct sigaction act;
|
| 1209 | 3a27ad0b | bellard | volatile int val; |
| 1210 | 3a27ad0b | bellard | |
| 1211 | 3a27ad0b | bellard | act.sa_sigaction = sig_handler; |
| 1212 | 3a27ad0b | bellard | sigemptyset(&act.sa_mask); |
| 1213 | 3a27ad0b | bellard | act.sa_flags = SA_SIGINFO; |
| 1214 | 3a27ad0b | bellard | sigaction(SIGFPE, &act, NULL);
|
| 1215 | 3a27ad0b | bellard | sigaction(SIGILL, &act, NULL);
|
| 1216 | 3a27ad0b | bellard | sigaction(SIGSEGV, &act, NULL);
|
| 1217 | e3b32540 | bellard | sigaction(SIGBUS, &act, NULL);
|
| 1218 | 3a27ad0b | bellard | sigaction(SIGTRAP, &act, NULL);
|
| 1219 | 3a27ad0b | bellard | |
| 1220 | 3a27ad0b | bellard | /* test division by zero reporting */
|
| 1221 | e3b32540 | bellard | printf("DIVZ exception:\n");
|
| 1222 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1223 | 3a27ad0b | bellard | /* now divide by zero */
|
| 1224 | 3a27ad0b | bellard | v1 = 0;
|
| 1225 | 3a27ad0b | bellard | v1 = 2 / v1;
|
| 1226 | 3a27ad0b | bellard | } |
| 1227 | 3a27ad0b | bellard | |
| 1228 | e3b32540 | bellard | printf("BOUND exception:\n");
|
| 1229 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1230 | 3a27ad0b | bellard | /* bound exception */
|
| 1231 | 3a27ad0b | bellard | tab[0] = 1; |
| 1232 | 3a27ad0b | bellard | tab[1] = 10; |
| 1233 | 3a27ad0b | bellard | asm volatile ("bound %0, %1" : : "r" (11), "m" (tab)); |
| 1234 | 3a27ad0b | bellard | } |
| 1235 | 3a27ad0b | bellard | |
| 1236 | e3b32540 | bellard | printf("segment exceptions:\n");
|
| 1237 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
| 1238 | e3b32540 | bellard | /* load an invalid segment */
|
| 1239 | e3b32540 | bellard | asm volatile ("movl %0, %%fs" : : "r" ((0x1234 << 3) | 1)); |
| 1240 | e3b32540 | bellard | } |
| 1241 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
| 1242 | e3b32540 | bellard | /* null data segment is valid */
|
| 1243 | e3b32540 | bellard | asm volatile ("movl %0, %%fs" : : "r" (3)); |
| 1244 | e3b32540 | bellard | /* null stack segment */
|
| 1245 | e3b32540 | bellard | asm volatile ("movl %0, %%ss" : : "r" (3)); |
| 1246 | e3b32540 | bellard | } |
| 1247 | e3b32540 | bellard | |
| 1248 | e3b32540 | bellard | ldt.entry_number = 1;
|
| 1249 | e3b32540 | bellard | ldt.base_addr = (unsigned long)&seg_data1; |
| 1250 | e3b32540 | bellard | ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12; |
| 1251 | e3b32540 | bellard | ldt.seg_32bit = 1;
|
| 1252 | e3b32540 | bellard | ldt.contents = MODIFY_LDT_CONTENTS_DATA; |
| 1253 | e3b32540 | bellard | ldt.read_exec_only = 0;
|
| 1254 | e3b32540 | bellard | ldt.limit_in_pages = 1;
|
| 1255 | e3b32540 | bellard | ldt.seg_not_present = 1;
|
| 1256 | e3b32540 | bellard | ldt.useable = 1;
|
| 1257 | e3b32540 | bellard | modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
| 1258 | e3b32540 | bellard | |
| 1259 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
| 1260 | e3b32540 | bellard | /* segment not present */
|
| 1261 | e3b32540 | bellard | asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1))); |
| 1262 | e3b32540 | bellard | } |
| 1263 | e3b32540 | bellard | |
| 1264 | 3a27ad0b | bellard | /* test SEGV reporting */
|
| 1265 | e3b32540 | bellard | printf("PF exception:\n");
|
| 1266 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1267 | e3b32540 | bellard | val = 1;
|
| 1268 | ede28208 | bellard | /* we add a nop to test a weird PC retrieval case */
|
| 1269 | ede28208 | bellard | asm volatile ("nop"); |
| 1270 | 3a27ad0b | bellard | /* now store in an invalid address */
|
| 1271 | 3a27ad0b | bellard | *(char *)0x1234 = 1; |
| 1272 | 3a27ad0b | bellard | } |
| 1273 | 3a27ad0b | bellard | |
| 1274 | 3a27ad0b | bellard | /* test SEGV reporting */
|
| 1275 | e3b32540 | bellard | printf("PF exception:\n");
|
| 1276 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1277 | e3b32540 | bellard | val = 1;
|
| 1278 | 3a27ad0b | bellard | /* read from an invalid address */
|
| 1279 | 3a27ad0b | bellard | v1 = *(char *)0x1234; |
| 1280 | 3a27ad0b | bellard | } |
| 1281 | 3a27ad0b | bellard | |
| 1282 | 3a27ad0b | bellard | /* test illegal instruction reporting */
|
| 1283 | 3a27ad0b | bellard | printf("UD2 exception:\n");
|
| 1284 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1285 | 3a27ad0b | bellard | /* now execute an invalid instruction */
|
| 1286 | 3a27ad0b | bellard | asm volatile("ud2"); |
| 1287 | 3a27ad0b | bellard | } |
| 1288 | 3a27ad0b | bellard | |
| 1289 | 3a27ad0b | bellard | printf("INT exception:\n");
|
| 1290 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1291 | 3a27ad0b | bellard | asm volatile ("int $0xfd"); |
| 1292 | 3a27ad0b | bellard | } |
| 1293 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
| 1294 | e3b32540 | bellard | asm volatile ("int $0x01"); |
| 1295 | e3b32540 | bellard | } |
| 1296 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
| 1297 | e3b32540 | bellard | asm volatile (".byte 0xcd, 0x03"); |
| 1298 | e3b32540 | bellard | } |
| 1299 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
| 1300 | e3b32540 | bellard | asm volatile ("int $0x04"); |
| 1301 | e3b32540 | bellard | } |
| 1302 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
| 1303 | e3b32540 | bellard | asm volatile ("int $0x05"); |
| 1304 | e3b32540 | bellard | } |
| 1305 | 3a27ad0b | bellard | |
| 1306 | 3a27ad0b | bellard | printf("INT3 exception:\n");
|
| 1307 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1308 | 3a27ad0b | bellard | asm volatile ("int3"); |
| 1309 | 3a27ad0b | bellard | } |
| 1310 | 3a27ad0b | bellard | |
| 1311 | 3a27ad0b | bellard | printf("CLI exception:\n");
|
| 1312 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1313 | 3a27ad0b | bellard | asm volatile ("cli"); |
| 1314 | 3a27ad0b | bellard | } |
| 1315 | 3a27ad0b | bellard | |
| 1316 | 3a27ad0b | bellard | printf("STI exception:\n");
|
| 1317 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1318 | 3a27ad0b | bellard | asm volatile ("cli"); |
| 1319 | 3a27ad0b | bellard | } |
| 1320 | 3a27ad0b | bellard | |
| 1321 | 3a27ad0b | bellard | printf("INTO exception:\n");
|
| 1322 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1323 | 3a27ad0b | bellard | /* overflow exception */
|
| 1324 | 3a27ad0b | bellard | asm volatile ("addl $1, %0 ; into" : : "r" (0x7fffffff)); |
| 1325 | 3a27ad0b | bellard | } |
| 1326 | 3a27ad0b | bellard | |
| 1327 | 3a27ad0b | bellard | printf("OUTB exception:\n");
|
| 1328 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1329 | 3a27ad0b | bellard | asm volatile ("outb %%al, %%dx" : : "d" (0x4321), "a" (0)); |
| 1330 | 3a27ad0b | bellard | } |
| 1331 | 3a27ad0b | bellard | |
| 1332 | 3a27ad0b | bellard | printf("INB exception:\n");
|
| 1333 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1334 | 3a27ad0b | bellard | asm volatile ("inb %%dx, %%al" : "=a" (val) : "d" (0x4321)); |
| 1335 | 3a27ad0b | bellard | } |
| 1336 | 3a27ad0b | bellard | |
| 1337 | 3a27ad0b | bellard | printf("REP OUTSB exception:\n");
|
| 1338 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1339 | 3a27ad0b | bellard | asm volatile ("rep outsb" : : "d" (0x4321), "S" (tab), "c" (1)); |
| 1340 | 3a27ad0b | bellard | } |
| 1341 | 3a27ad0b | bellard | |
| 1342 | 3a27ad0b | bellard | printf("REP INSB exception:\n");
|
| 1343 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1344 | 3a27ad0b | bellard | asm volatile ("rep insb" : : "d" (0x4321), "D" (tab), "c" (1)); |
| 1345 | 3a27ad0b | bellard | } |
| 1346 | 3a27ad0b | bellard | |
| 1347 | 3a27ad0b | bellard | printf("HLT exception:\n");
|
| 1348 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1349 | 3a27ad0b | bellard | asm volatile ("hlt"); |
| 1350 | 3a27ad0b | bellard | } |
| 1351 | 3a27ad0b | bellard | |
| 1352 | 3a27ad0b | bellard | printf("single step exception:\n");
|
| 1353 | 3a27ad0b | bellard | val = 0;
|
| 1354 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
| 1355 | 3a27ad0b | bellard | asm volatile ("pushf\n" |
| 1356 | 3a27ad0b | bellard | "orl $0x00100, (%%esp)\n"
|
| 1357 | 3a27ad0b | bellard | "popf\n"
|
| 1358 | 3a27ad0b | bellard | "movl $0xabcd, %0\n"
|
| 1359 | 3a27ad0b | bellard | "movl $0x0, %0\n" : "=m" (val) : : "cc", "memory"); |
| 1360 | 3a27ad0b | bellard | } |
| 1361 | 3a27ad0b | bellard | printf("val=0x%x\n", val);
|
| 1362 | 3a27ad0b | bellard | } |
| 1363 | 3a27ad0b | bellard | |
| 1364 | 3ff0631e | bellard | /* specific precise single step test */
|
| 1365 | 3ff0631e | bellard | void sig_trap_handler(int sig, siginfo_t *info, void *puc) |
| 1366 | 3ff0631e | bellard | {
|
| 1367 | 3ff0631e | bellard | struct ucontext *uc = puc;
|
| 1368 | 3ff0631e | bellard | printf("EIP=0x%08x\n", uc->uc_mcontext.gregs[REG_EIP]);
|
| 1369 | 3ff0631e | bellard | } |
| 1370 | 3ff0631e | bellard | |
| 1371 | 3ff0631e | bellard | const uint8_t sstep_buf1[4] = { 1, 2, 3, 4}; |
| 1372 | 3ff0631e | bellard | uint8_t sstep_buf2[4];
|
| 1373 | 3ff0631e | bellard | |
| 1374 | 3ff0631e | bellard | void test_single_step(void) |
| 1375 | 3ff0631e | bellard | {
|
| 1376 | 3ff0631e | bellard | struct sigaction act;
|
| 1377 | 3ff0631e | bellard | volatile int val; |
| 1378 | 3ff0631e | bellard | int i;
|
| 1379 | 3ff0631e | bellard | |
| 1380 | 3ff0631e | bellard | val = 0;
|
| 1381 | 3ff0631e | bellard | act.sa_sigaction = sig_trap_handler; |
| 1382 | 3ff0631e | bellard | sigemptyset(&act.sa_mask); |
| 1383 | 3ff0631e | bellard | act.sa_flags = SA_SIGINFO; |
| 1384 | 3ff0631e | bellard | sigaction(SIGTRAP, &act, NULL);
|
| 1385 | 3ff0631e | bellard | asm volatile ("pushf\n" |
| 1386 | 3ff0631e | bellard | "orl $0x00100, (%%esp)\n"
|
| 1387 | 3ff0631e | bellard | "popf\n"
|
| 1388 | 3ff0631e | bellard | "movl $0xabcd, %0\n"
|
| 1389 | 3ff0631e | bellard | |
| 1390 | 3ff0631e | bellard | /* jmp test */
|
| 1391 | 3ff0631e | bellard | "movl $3, %%ecx\n"
|
| 1392 | 3ff0631e | bellard | "1:\n"
|
| 1393 | 3ff0631e | bellard | "addl $1, %0\n"
|
| 1394 | 3ff0631e | bellard | "decl %%ecx\n"
|
| 1395 | 3ff0631e | bellard | "jnz 1b\n"
|
| 1396 | 3ff0631e | bellard | |
| 1397 | 3ff0631e | bellard | /* movsb: the single step should stop at each movsb iteration */
|
| 1398 | 3ff0631e | bellard | "movl $sstep_buf1, %%esi\n"
|
| 1399 | 3ff0631e | bellard | "movl $sstep_buf2, %%edi\n"
|
| 1400 | 3ff0631e | bellard | "movl $0, %%ecx\n"
|
| 1401 | 3ff0631e | bellard | "rep movsb\n"
|
| 1402 | 3ff0631e | bellard | "movl $3, %%ecx\n"
|
| 1403 | 3ff0631e | bellard | "rep movsb\n"
|
| 1404 | 3ff0631e | bellard | "movl $1, %%ecx\n"
|
| 1405 | 3ff0631e | bellard | "rep movsb\n"
|
| 1406 | 3ff0631e | bellard | |
| 1407 | 3ff0631e | bellard | /* cmpsb: the single step should stop at each cmpsb iteration */
|
| 1408 | 3ff0631e | bellard | "movl $sstep_buf1, %%esi\n"
|
| 1409 | 3ff0631e | bellard | "movl $sstep_buf2, %%edi\n"
|
| 1410 | 3ff0631e | bellard | "movl $0, %%ecx\n"
|
| 1411 | 3ff0631e | bellard | "rep cmpsb\n"
|
| 1412 | 3ff0631e | bellard | "movl $4, %%ecx\n"
|
| 1413 | 3ff0631e | bellard | "rep cmpsb\n"
|
| 1414 | 3ff0631e | bellard | |
| 1415 | 3ff0631e | bellard | /* getpid() syscall: single step should skip one
|
| 1416 | 3ff0631e | bellard | instruction */
|
| 1417 | 3ff0631e | bellard | "movl $20, %%eax\n"
|
| 1418 | 3ff0631e | bellard | "int $0x80\n"
|
| 1419 | 3ff0631e | bellard | "movl $0, %%eax\n"
|
| 1420 | 3ff0631e | bellard | |
| 1421 | 3ff0631e | bellard | /* when modifying SS, trace is not done on the next
|
| 1422 | 3ff0631e | bellard | instruction */
|
| 1423 | 3ff0631e | bellard | "movl %%ss, %%ecx\n"
|
| 1424 | 3ff0631e | bellard | "movl %%ecx, %%ss\n"
|
| 1425 | 3ff0631e | bellard | "addl $1, %0\n"
|
| 1426 | 3ff0631e | bellard | "movl $1, %%eax\n"
|
| 1427 | 3ff0631e | bellard | "movl %%ecx, %%ss\n"
|
| 1428 | 3ff0631e | bellard | "jmp 1f\n"
|
| 1429 | 3ff0631e | bellard | "addl $1, %0\n"
|
| 1430 | 3ff0631e | bellard | "1:\n"
|
| 1431 | 3ff0631e | bellard | "movl $1, %%eax\n"
|
| 1432 | 3ff0631e | bellard | "pushl %%ecx\n"
|
| 1433 | 3ff0631e | bellard | "popl %%ss\n"
|
| 1434 | 3ff0631e | bellard | "addl $1, %0\n"
|
| 1435 | 3ff0631e | bellard | "movl $1, %%eax\n"
|
| 1436 | 3ff0631e | bellard | |
| 1437 | 3ff0631e | bellard | "pushf\n"
|
| 1438 | 3ff0631e | bellard | "andl $~0x00100, (%%esp)\n"
|
| 1439 | 3ff0631e | bellard | "popf\n"
|
| 1440 | 3ff0631e | bellard | : "=m" (val)
|
| 1441 | 3ff0631e | bellard | : |
| 1442 | 3ff0631e | bellard | : "cc", "memory", "eax", "ecx", "esi", "edi"); |
| 1443 | 3ff0631e | bellard | printf("val=%d\n", val);
|
| 1444 | 3ff0631e | bellard | for(i = 0; i < 4; i++) |
| 1445 | 3ff0631e | bellard | printf("sstep_buf2[%d] = %d\n", i, sstep_buf2[i]);
|
| 1446 | 3ff0631e | bellard | } |
| 1447 | 3ff0631e | bellard | |
| 1448 | 3a27ad0b | bellard | /* self modifying code test */
|
| 1449 | 3a27ad0b | bellard | uint8_t code[] = {
|
| 1450 | 3a27ad0b | bellard | 0xb8, 0x1, 0x00, 0x00, 0x00, /* movl $1, %eax */ |
| 1451 | 3a27ad0b | bellard | 0xc3, /* ret */ |
| 1452 | 3a27ad0b | bellard | }; |
| 1453 | 3a27ad0b | bellard | |
| 1454 | d1fe2b24 | bellard | typedef int FuncType(void); |
| 1455 | d1fe2b24 | bellard | |
| 1456 | 3a27ad0b | bellard | void test_self_modifying_code(void) |
| 1457 | 3a27ad0b | bellard | {
|
| 1458 | d1fe2b24 | bellard | int i;
|
| 1459 | 3a27ad0b | bellard | |
| 1460 | 3a27ad0b | bellard | printf("self modifying code:\n");
|
| 1461 | d1fe2b24 | bellard | printf("func1 = 0x%x\n", ((FuncType *)code)());
|
| 1462 | d1fe2b24 | bellard | for(i = 2; i <= 4; i++) { |
| 1463 | d1fe2b24 | bellard | code[1] = i;
|
| 1464 | d1fe2b24 | bellard | printf("func%d = 0x%x\n", i, ((FuncType *)code)());
|
| 1465 | d1fe2b24 | bellard | } |
| 1466 | 3a27ad0b | bellard | } |
| 1467 | 3a27ad0b | bellard | |
| 1468 | 4d1135e4 | bellard | static void *call_end __init_call = NULL; |
| 1469 | 4d1135e4 | bellard | |
| 1470 | 4d1135e4 | bellard | int main(int argc, char **argv) |
| 1471 | 4d1135e4 | bellard | {
|
| 1472 | 4d1135e4 | bellard | void **ptr;
|
| 1473 | 4d1135e4 | bellard | void (*func)(void); |
| 1474 | 4b74fe1f | bellard | |
| 1475 | 4d1135e4 | bellard | ptr = &call_start + 1;
|
| 1476 | 4d1135e4 | bellard | while (*ptr != NULL) { |
| 1477 | 4d1135e4 | bellard | func = *ptr++; |
| 1478 | 4d1135e4 | bellard | func(); |
| 1479 | 4d1135e4 | bellard | } |
| 1480 | 9d8e9c09 | bellard | test_bsx(); |
| 1481 | d57c4e01 | bellard | test_mul(); |
| 1482 | 4d1135e4 | bellard | test_jcc(); |
| 1483 | 9d8e9c09 | bellard | test_floats(); |
| 1484 | 55480af8 | bellard | test_bcd(); |
| 1485 | 1a9353d2 | bellard | test_xchg(); |
| 1486 | e1d4294a | bellard | test_string(); |
| 1487 | e1d4294a | bellard | test_misc(); |
| 1488 | 6dbad63e | bellard | test_lea(); |
| 1489 | 6dbad63e | bellard | test_segs(); |
| 1490 | e5918247 | bellard | test_code16(); |
| 1491 | 3a27ad0b | bellard | test_vm86(); |
| 1492 | 3a27ad0b | bellard | test_exceptions(); |
| 1493 | 3a27ad0b | bellard | test_self_modifying_code(); |
| 1494 | 3ff0631e | bellard | test_single_step(); |
| 1495 | 4d1135e4 | bellard | return 0; |
| 1496 | 4d1135e4 | bellard | } |