root / tests / test-i386.c @ e3b32540
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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 | 6dbad63e | bellard | #include <inttypes.h> |
5 | 4d1135e4 | bellard | #include <math.h> |
6 | 3a27ad0b | bellard | #include <signal.h> |
7 | 3a27ad0b | bellard | #include <setjmp.h> |
8 | 3a27ad0b | bellard | #include <sys/ucontext.h> |
9 | 3a27ad0b | bellard | #include <sys/mman.h> |
10 | 3a27ad0b | bellard | #include <asm/vm86.h> |
11 | 4d1135e4 | bellard | |
12 | 5dd9488c | bellard | #define TEST_CMOV 0 |
13 | 5dd9488c | bellard | |
14 | 4d1135e4 | bellard | #define xglue(x, y) x ## y |
15 | 4d1135e4 | bellard | #define glue(x, y) xglue(x, y)
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16 | 4d1135e4 | bellard | #define stringify(s) tostring(s)
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17 | 4d1135e4 | bellard | #define tostring(s) #s |
18 | 4d1135e4 | bellard | |
19 | 4d1135e4 | bellard | #define CC_C 0x0001 |
20 | 4d1135e4 | bellard | #define CC_P 0x0004 |
21 | 4d1135e4 | bellard | #define CC_A 0x0010 |
22 | 4d1135e4 | bellard | #define CC_Z 0x0040 |
23 | 4d1135e4 | bellard | #define CC_S 0x0080 |
24 | 4d1135e4 | bellard | #define CC_O 0x0800 |
25 | 4d1135e4 | bellard | |
26 | 4d1135e4 | bellard | #define __init_call __attribute__ ((unused,__section__ (".initcall.init"))) |
27 | 4d1135e4 | bellard | |
28 | 4d1135e4 | bellard | static void *call_start __init_call = NULL; |
29 | 4d1135e4 | bellard | |
30 | 4b74fe1f | bellard | #define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A)
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31 | 4b74fe1f | bellard | |
32 | 4d1135e4 | bellard | #define OP add
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33 | 4d1135e4 | bellard | #include "test-i386.h" |
34 | 4d1135e4 | bellard | |
35 | 4d1135e4 | bellard | #define OP sub
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36 | 4d1135e4 | bellard | #include "test-i386.h" |
37 | 4d1135e4 | bellard | |
38 | 4d1135e4 | bellard | #define OP xor
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39 | 4d1135e4 | bellard | #include "test-i386.h" |
40 | 4d1135e4 | bellard | |
41 | 4d1135e4 | bellard | #define OP and
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42 | 4d1135e4 | bellard | #include "test-i386.h" |
43 | 4d1135e4 | bellard | |
44 | 4d1135e4 | bellard | #define OP or
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45 | 4d1135e4 | bellard | #include "test-i386.h" |
46 | 4d1135e4 | bellard | |
47 | 4d1135e4 | bellard | #define OP cmp
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48 | 4d1135e4 | bellard | #include "test-i386.h" |
49 | 4d1135e4 | bellard | |
50 | 4d1135e4 | bellard | #define OP adc
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51 | 4d1135e4 | bellard | #define OP_CC
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52 | 4d1135e4 | bellard | #include "test-i386.h" |
53 | 4d1135e4 | bellard | |
54 | 4d1135e4 | bellard | #define OP sbb
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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 inc
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59 | 4d1135e4 | bellard | #define OP_CC
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60 | 4d1135e4 | bellard | #define OP1
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61 | 4d1135e4 | bellard | #include "test-i386.h" |
62 | 4d1135e4 | bellard | |
63 | 4d1135e4 | bellard | #define OP dec
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64 | 4d1135e4 | bellard | #define OP_CC
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65 | 4d1135e4 | bellard | #define OP1
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66 | 4d1135e4 | bellard | #include "test-i386.h" |
67 | 4d1135e4 | bellard | |
68 | 4d1135e4 | bellard | #define OP neg
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69 | 4d1135e4 | bellard | #define OP_CC
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70 | 4d1135e4 | bellard | #define OP1
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71 | 4d1135e4 | bellard | #include "test-i386.h" |
72 | 4d1135e4 | bellard | |
73 | 4d1135e4 | bellard | #define OP not
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74 | 4d1135e4 | bellard | #define OP_CC
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75 | 4d1135e4 | bellard | #define OP1
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76 | 4d1135e4 | bellard | #include "test-i386.h" |
77 | 4d1135e4 | bellard | |
78 | 4b74fe1f | bellard | #undef CC_MASK
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79 | 4b74fe1f | bellard | #define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O)
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80 | 4b74fe1f | bellard | |
81 | 379ca80d | bellard | #define OP shl
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82 | 379ca80d | bellard | #include "test-i386-shift.h" |
83 | 379ca80d | bellard | |
84 | 379ca80d | bellard | #define OP shr
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85 | 379ca80d | bellard | #include "test-i386-shift.h" |
86 | 379ca80d | bellard | |
87 | 379ca80d | bellard | #define OP sar
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88 | 379ca80d | bellard | #include "test-i386-shift.h" |
89 | 379ca80d | bellard | |
90 | 379ca80d | bellard | #define OP rol
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91 | 379ca80d | bellard | #include "test-i386-shift.h" |
92 | 379ca80d | bellard | |
93 | 379ca80d | bellard | #define OP ror
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94 | 379ca80d | bellard | #include "test-i386-shift.h" |
95 | 379ca80d | bellard | |
96 | 379ca80d | bellard | #define OP rcr
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97 | 379ca80d | bellard | #define OP_CC
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98 | 379ca80d | bellard | #include "test-i386-shift.h" |
99 | 379ca80d | bellard | |
100 | 379ca80d | bellard | #define OP rcl
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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 | d57c4e01 | bellard | #define OP shld
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105 | d57c4e01 | bellard | #define OP_SHIFTD
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106 | d57c4e01 | bellard | #define OP_NOBYTE
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107 | d57c4e01 | bellard | #include "test-i386-shift.h" |
108 | d57c4e01 | bellard | |
109 | d57c4e01 | bellard | #define OP shrd
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110 | d57c4e01 | bellard | #define OP_SHIFTD
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111 | d57c4e01 | bellard | #define OP_NOBYTE
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112 | d57c4e01 | bellard | #include "test-i386-shift.h" |
113 | d57c4e01 | bellard | |
114 | d57c4e01 | bellard | /* XXX: should be more precise ? */
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115 | d57c4e01 | bellard | #undef CC_MASK
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116 | d57c4e01 | bellard | #define CC_MASK (CC_C)
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117 | d57c4e01 | bellard | |
118 | d57c4e01 | bellard | #define OP bt
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119 | d57c4e01 | bellard | #define OP_NOBYTE
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120 | d57c4e01 | bellard | #include "test-i386-shift.h" |
121 | d57c4e01 | bellard | |
122 | d57c4e01 | bellard | #define OP bts
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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 btr
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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 btc
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131 | d57c4e01 | bellard | #define OP_NOBYTE
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132 | d57c4e01 | bellard | #include "test-i386-shift.h" |
133 | 379ca80d | bellard | |
134 | 4d1135e4 | bellard | /* lea test (modrm support) */
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135 | 4d1135e4 | bellard | #define TEST_LEA(STR)\
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136 | 4d1135e4 | bellard | {\ |
137 | 4d1135e4 | bellard | asm("leal " STR ", %0"\ |
138 | 4d1135e4 | bellard | : "=r" (res)\
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139 | 4d1135e4 | bellard | : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ |
140 | 4d1135e4 | bellard | printf("lea %s = %08x\n", STR, res);\
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141 | 4d1135e4 | bellard | } |
142 | 4d1135e4 | bellard | |
143 | 4d1135e4 | bellard | #define TEST_LEA16(STR)\
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144 | 4d1135e4 | bellard | {\ |
145 | 4d1135e4 | bellard | asm(".code16 ; .byte 0x67 ; leal " STR ", %0 ; .code32"\ |
146 | 4d1135e4 | bellard | : "=wq" (res)\
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147 | 4d1135e4 | bellard | : "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\ |
148 | 4d1135e4 | bellard | printf("lea %s = %08x\n", STR, res);\
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149 | 4d1135e4 | bellard | } |
150 | 4d1135e4 | bellard | |
151 | 4d1135e4 | bellard | |
152 | 4d1135e4 | bellard | void test_lea(void) |
153 | 4d1135e4 | bellard | { |
154 | 4d1135e4 | bellard | int eax, ebx, ecx, edx, esi, edi, res;
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155 | 4d1135e4 | bellard | eax = 0x0001;
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156 | 4d1135e4 | bellard | ebx = 0x0002;
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157 | 4d1135e4 | bellard | ecx = 0x0004;
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158 | 4d1135e4 | bellard | edx = 0x0008;
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159 | 4d1135e4 | bellard | esi = 0x0010;
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160 | 4d1135e4 | bellard | edi = 0x0020;
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161 | 4d1135e4 | bellard | |
162 | 4d1135e4 | bellard | TEST_LEA("0x4000");
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163 | 4d1135e4 | bellard | |
164 | 4d1135e4 | bellard | TEST_LEA("(%%eax)");
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165 | 4d1135e4 | bellard | TEST_LEA("(%%ebx)");
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166 | 4d1135e4 | bellard | TEST_LEA("(%%ecx)");
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167 | 4d1135e4 | bellard | TEST_LEA("(%%edx)");
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168 | 4d1135e4 | bellard | TEST_LEA("(%%esi)");
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169 | 4d1135e4 | bellard | TEST_LEA("(%%edi)");
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170 | 4d1135e4 | bellard | |
171 | 4d1135e4 | bellard | TEST_LEA("0x40(%%eax)");
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172 | 4d1135e4 | bellard | TEST_LEA("0x40(%%ebx)");
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173 | 4d1135e4 | bellard | TEST_LEA("0x40(%%ecx)");
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174 | 4d1135e4 | bellard | TEST_LEA("0x40(%%edx)");
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175 | 4d1135e4 | bellard | TEST_LEA("0x40(%%esi)");
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176 | 4d1135e4 | bellard | TEST_LEA("0x40(%%edi)");
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177 | 4d1135e4 | bellard | |
178 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%eax)");
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179 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%ebx)");
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180 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%ecx)");
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181 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%edx)");
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182 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%esi)");
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183 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%edi)");
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184 | 4d1135e4 | bellard | |
185 | 4d1135e4 | bellard | TEST_LEA("(%%eax, %%ecx)");
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186 | 4d1135e4 | bellard | TEST_LEA("(%%ebx, %%edx)");
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187 | 4d1135e4 | bellard | TEST_LEA("(%%ecx, %%ecx)");
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188 | 4d1135e4 | bellard | TEST_LEA("(%%edx, %%ecx)");
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189 | 4d1135e4 | bellard | TEST_LEA("(%%esi, %%ecx)");
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190 | 4d1135e4 | bellard | TEST_LEA("(%%edi, %%ecx)");
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191 | 4d1135e4 | bellard | |
192 | 4d1135e4 | bellard | TEST_LEA("0x40(%%eax, %%ecx)");
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193 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%ebx, %%edx)");
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194 | 4d1135e4 | bellard | |
195 | 4d1135e4 | bellard | TEST_LEA("(%%ecx, %%ecx, 2)");
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196 | 4d1135e4 | bellard | TEST_LEA("(%%edx, %%ecx, 4)");
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197 | 4d1135e4 | bellard | TEST_LEA("(%%esi, %%ecx, 8)");
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198 | 4d1135e4 | bellard | |
199 | 4d1135e4 | bellard | TEST_LEA("(,%%eax, 2)");
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200 | 4d1135e4 | bellard | TEST_LEA("(,%%ebx, 4)");
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201 | 4d1135e4 | bellard | TEST_LEA("(,%%ecx, 8)");
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202 | 4d1135e4 | bellard | |
203 | 4d1135e4 | bellard | TEST_LEA("0x40(,%%eax, 2)");
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204 | 4d1135e4 | bellard | TEST_LEA("0x40(,%%ebx, 4)");
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205 | 4d1135e4 | bellard | TEST_LEA("0x40(,%%ecx, 8)");
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206 | 4d1135e4 | bellard | |
207 | 4d1135e4 | bellard | |
208 | 4d1135e4 | bellard | TEST_LEA("-10(%%ecx, %%ecx, 2)");
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209 | 4d1135e4 | bellard | TEST_LEA("-10(%%edx, %%ecx, 4)");
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210 | 4d1135e4 | bellard | TEST_LEA("-10(%%esi, %%ecx, 8)");
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211 | 4d1135e4 | bellard | |
212 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%ecx, %%ecx, 2)");
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213 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%edx, %%ecx, 4)");
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214 | 4d1135e4 | bellard | TEST_LEA("0x4000(%%esi, %%ecx, 8)");
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215 | 4d1135e4 | bellard | |
216 | 4d1135e4 | bellard | /* limited 16 bit addressing test */
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217 | 4d1135e4 | bellard | TEST_LEA16("0x4000");
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218 | 4d1135e4 | bellard | TEST_LEA16("(%%bx)");
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219 | 4d1135e4 | bellard | TEST_LEA16("(%%si)");
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220 | 4d1135e4 | bellard | TEST_LEA16("(%%di)");
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221 | 4d1135e4 | bellard | TEST_LEA16("0x40(%%bx)");
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222 | 4d1135e4 | bellard | TEST_LEA16("0x40(%%si)");
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223 | 4d1135e4 | bellard | TEST_LEA16("0x40(%%di)");
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224 | 4d1135e4 | bellard | TEST_LEA16("0x4000(%%bx)");
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225 | 4d1135e4 | bellard | TEST_LEA16("0x4000(%%si)");
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226 | 4d1135e4 | bellard | TEST_LEA16("(%%bx,%%si)");
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227 | 4d1135e4 | bellard | TEST_LEA16("(%%bx,%%di)");
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228 | 4d1135e4 | bellard | TEST_LEA16("0x40(%%bx,%%si)");
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229 | 4d1135e4 | bellard | TEST_LEA16("0x40(%%bx,%%di)");
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230 | 4d1135e4 | bellard | TEST_LEA16("0x4000(%%bx,%%si)");
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231 | 4d1135e4 | bellard | TEST_LEA16("0x4000(%%bx,%%di)");
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232 | 4d1135e4 | bellard | } |
233 | 4d1135e4 | bellard | |
234 | 4d1135e4 | bellard | #define TEST_JCC(JCC, v1, v2)\
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235 | 4d1135e4 | bellard | {\ |
236 | 5dd9488c | bellard | int res;\
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237 | 4d1135e4 | bellard | asm("movl $1, %0\n\t"\ |
238 | 4d1135e4 | bellard | "cmpl %2, %1\n\t"\
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239 | 5dd9488c | bellard | "j" JCC " 1f\n\t"\ |
240 | 4d1135e4 | bellard | "movl $0, %0\n\t"\
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241 | 4d1135e4 | bellard | "1:\n\t"\
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242 | 4d1135e4 | bellard | : "=r" (res)\
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243 | 4d1135e4 | bellard | : "r" (v1), "r" (v2));\ |
244 | 5dd9488c | bellard | printf("%-10s %d\n", "j" JCC, res);\ |
245 | 5dd9488c | bellard | \ |
246 | 5dd9488c | bellard | asm("movl $0, %0\n\t"\ |
247 | 5dd9488c | bellard | "cmpl %2, %1\n\t"\
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248 | 5dd9488c | bellard | "set" JCC " %b0\n\t"\ |
249 | 5dd9488c | bellard | : "=r" (res)\
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250 | 5dd9488c | bellard | : "r" (v1), "r" (v2));\ |
251 | 5dd9488c | bellard | printf("%-10s %d\n", "set" JCC, res);\ |
252 | 5dd9488c | bellard | if (TEST_CMOV) {\
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253 | 5dd9488c | bellard | asm("movl $0x12345678, %0\n\t"\ |
254 | 5dd9488c | bellard | "cmpl %2, %1\n\t"\
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255 | 5dd9488c | bellard | "cmov" JCC "l %3, %0\n\t"\ |
256 | 5dd9488c | bellard | : "=r" (res)\
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257 | 5dd9488c | bellard | : "r" (v1), "r" (v2), "m" (1));\ |
258 | 5dd9488c | bellard | printf("%-10s R=0x%08x\n", "cmov" JCC "l", res);\ |
259 | 5dd9488c | bellard | asm("movl $0x12345678, %0\n\t"\ |
260 | 5dd9488c | bellard | "cmpl %2, %1\n\t"\
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261 | 5dd9488c | bellard | "cmov" JCC "w %w3, %w0\n\t"\ |
262 | 5dd9488c | bellard | : "=r" (res)\
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263 | 5dd9488c | bellard | : "r" (v1), "r" (v2), "r" (1));\ |
264 | 5dd9488c | bellard | printf("%-10s R=0x%08x\n", "cmov" JCC "w", res);\ |
265 | 5dd9488c | bellard | } \ |
266 | 4d1135e4 | bellard | } |
267 | 4d1135e4 | bellard | |
268 | 4d1135e4 | bellard | /* various jump tests */
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269 | 4d1135e4 | bellard | void test_jcc(void) |
270 | 4d1135e4 | bellard | { |
271 | 5dd9488c | bellard | TEST_JCC("ne", 1, 1); |
272 | 5dd9488c | bellard | TEST_JCC("ne", 1, 0); |
273 | 4d1135e4 | bellard | |
274 | 5dd9488c | bellard | TEST_JCC("e", 1, 1); |
275 | 5dd9488c | bellard | TEST_JCC("e", 1, 0); |
276 | 4d1135e4 | bellard | |
277 | 5dd9488c | bellard | TEST_JCC("l", 1, 1); |
278 | 5dd9488c | bellard | TEST_JCC("l", 1, 0); |
279 | 5dd9488c | bellard | TEST_JCC("l", 1, -1); |
280 | 4d1135e4 | bellard | |
281 | 5dd9488c | bellard | TEST_JCC("le", 1, 1); |
282 | 5dd9488c | bellard | TEST_JCC("le", 1, 0); |
283 | 5dd9488c | bellard | TEST_JCC("le", 1, -1); |
284 | 4d1135e4 | bellard | |
285 | 5dd9488c | bellard | TEST_JCC("ge", 1, 1); |
286 | 5dd9488c | bellard | TEST_JCC("ge", 1, 0); |
287 | 5dd9488c | bellard | TEST_JCC("ge", -1, 1); |
288 | 4d1135e4 | bellard | |
289 | 5dd9488c | bellard | TEST_JCC("g", 1, 1); |
290 | 5dd9488c | bellard | TEST_JCC("g", 1, 0); |
291 | 5dd9488c | bellard | TEST_JCC("g", 1, -1); |
292 | 4d1135e4 | bellard | |
293 | 5dd9488c | bellard | TEST_JCC("b", 1, 1); |
294 | 5dd9488c | bellard | TEST_JCC("b", 1, 0); |
295 | 5dd9488c | bellard | TEST_JCC("b", 1, -1); |
296 | 4d1135e4 | bellard | |
297 | 5dd9488c | bellard | TEST_JCC("be", 1, 1); |
298 | 5dd9488c | bellard | TEST_JCC("be", 1, 0); |
299 | 5dd9488c | bellard | TEST_JCC("be", 1, -1); |
300 | 4d1135e4 | bellard | |
301 | 5dd9488c | bellard | TEST_JCC("ae", 1, 1); |
302 | 5dd9488c | bellard | TEST_JCC("ae", 1, 0); |
303 | 5dd9488c | bellard | TEST_JCC("ae", 1, -1); |
304 | 4d1135e4 | bellard | |
305 | 5dd9488c | bellard | TEST_JCC("a", 1, 1); |
306 | 5dd9488c | bellard | TEST_JCC("a", 1, 0); |
307 | 5dd9488c | bellard | TEST_JCC("a", 1, -1); |
308 | 4d1135e4 | bellard | |
309 | 4d1135e4 | bellard | |
310 | 5dd9488c | bellard | TEST_JCC("p", 1, 1); |
311 | 5dd9488c | bellard | TEST_JCC("p", 1, 0); |
312 | 4d1135e4 | bellard | |
313 | 5dd9488c | bellard | TEST_JCC("np", 1, 1); |
314 | 5dd9488c | bellard | TEST_JCC("np", 1, 0); |
315 | 4d1135e4 | bellard | |
316 | 5dd9488c | bellard | TEST_JCC("o", 0x7fffffff, 0); |
317 | 5dd9488c | bellard | TEST_JCC("o", 0x7fffffff, -1); |
318 | 4d1135e4 | bellard | |
319 | 5dd9488c | bellard | TEST_JCC("no", 0x7fffffff, 0); |
320 | 5dd9488c | bellard | TEST_JCC("no", 0x7fffffff, -1); |
321 | 4d1135e4 | bellard | |
322 | 5dd9488c | bellard | TEST_JCC("s", 0, 1); |
323 | 5dd9488c | bellard | TEST_JCC("s", 0, -1); |
324 | 5dd9488c | bellard | TEST_JCC("s", 0, 0); |
325 | 4d1135e4 | bellard | |
326 | 5dd9488c | bellard | TEST_JCC("ns", 0, 1); |
327 | 5dd9488c | bellard | TEST_JCC("ns", 0, -1); |
328 | 5dd9488c | bellard | TEST_JCC("ns", 0, 0); |
329 | 4d1135e4 | bellard | } |
330 | 4d1135e4 | bellard | |
331 | 4b74fe1f | bellard | #undef CC_MASK
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332 | 4b74fe1f | bellard | #define CC_MASK (CC_O | CC_C)
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333 | 4b74fe1f | bellard | |
334 | 4b74fe1f | bellard | #define OP mul
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335 | 4b74fe1f | bellard | #include "test-i386-muldiv.h" |
336 | 4b74fe1f | bellard | |
337 | 4b74fe1f | bellard | #define OP imul
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338 | 4b74fe1f | bellard | #include "test-i386-muldiv.h" |
339 | 4b74fe1f | bellard | |
340 | 4b74fe1f | bellard | #undef CC_MASK
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341 | 4b74fe1f | bellard | #define CC_MASK (0) |
342 | 4b74fe1f | bellard | |
343 | 4b74fe1f | bellard | #define OP div
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344 | 4b74fe1f | bellard | #include "test-i386-muldiv.h" |
345 | 4b74fe1f | bellard | |
346 | 4b74fe1f | bellard | #define OP idiv
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347 | 4b74fe1f | bellard | #include "test-i386-muldiv.h" |
348 | 4b74fe1f | bellard | |
349 | 4b74fe1f | bellard | void test_imulw2(int op0, int op1) |
350 | 4b74fe1f | bellard | { |
351 | 4b74fe1f | bellard | int res, s1, s0, flags;
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352 | 4b74fe1f | bellard | s0 = op0; |
353 | 4b74fe1f | bellard | s1 = op1; |
354 | 4b74fe1f | bellard | res = s0; |
355 | 4b74fe1f | bellard | flags = 0;
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356 | 4b74fe1f | bellard | asm ("push %4\n\t" |
357 | 4b74fe1f | bellard | "popf\n\t"
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358 | 4b74fe1f | bellard | "imulw %w2, %w0\n\t"
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359 | 4b74fe1f | bellard | "pushf\n\t"
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360 | 4b74fe1f | bellard | "popl %1\n\t"
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361 | 4b74fe1f | bellard | : "=q" (res), "=g" (flags) |
362 | 4b74fe1f | bellard | : "q" (s1), "0" (res), "1" (flags)); |
363 | 4b74fe1f | bellard | printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
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364 | 4b74fe1f | bellard | "imulw", s0, s1, res, flags & CC_MASK);
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365 | 4b74fe1f | bellard | } |
366 | 4b74fe1f | bellard | |
367 | 4b74fe1f | bellard | void test_imull2(int op0, int op1) |
368 | 4b74fe1f | bellard | { |
369 | 4b74fe1f | bellard | int res, s1, s0, flags;
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370 | 4b74fe1f | bellard | s0 = op0; |
371 | 4b74fe1f | bellard | s1 = op1; |
372 | 4b74fe1f | bellard | res = s0; |
373 | 4b74fe1f | bellard | flags = 0;
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374 | 4b74fe1f | bellard | asm ("push %4\n\t" |
375 | 4b74fe1f | bellard | "popf\n\t"
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376 | 4b74fe1f | bellard | "imull %2, %0\n\t"
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377 | 4b74fe1f | bellard | "pushf\n\t"
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378 | 4b74fe1f | bellard | "popl %1\n\t"
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379 | 4b74fe1f | bellard | : "=q" (res), "=g" (flags) |
380 | 4b74fe1f | bellard | : "q" (s1), "0" (res), "1" (flags)); |
381 | 4b74fe1f | bellard | printf("%-10s A=%08x B=%08x R=%08x CC=%04x\n",
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382 | 4b74fe1f | bellard | "imull", s0, s1, res, flags & CC_MASK);
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383 | 4b74fe1f | bellard | } |
384 | 4b74fe1f | bellard | |
385 | 4b74fe1f | bellard | void test_mul(void) |
386 | 4b74fe1f | bellard | { |
387 | 4b74fe1f | bellard | test_imulb(0x1234561d, 4); |
388 | 4b74fe1f | bellard | test_imulb(3, -4); |
389 | 4b74fe1f | bellard | test_imulb(0x80, 0x80); |
390 | 4b74fe1f | bellard | test_imulb(0x10, 0x10); |
391 | 4b74fe1f | bellard | |
392 | 4b74fe1f | bellard | test_imulw(0, 0x1234001d, 45); |
393 | 4b74fe1f | bellard | test_imulw(0, 23, -45); |
394 | 4b74fe1f | bellard | test_imulw(0, 0x8000, 0x8000); |
395 | 4b74fe1f | bellard | test_imulw(0, 0x100, 0x100); |
396 | 4b74fe1f | bellard | |
397 | 4b74fe1f | bellard | test_imull(0, 0x1234001d, 45); |
398 | 4b74fe1f | bellard | test_imull(0, 23, -45); |
399 | 4b74fe1f | bellard | test_imull(0, 0x80000000, 0x80000000); |
400 | 4b74fe1f | bellard | test_imull(0, 0x10000, 0x10000); |
401 | 4b74fe1f | bellard | |
402 | 4b74fe1f | bellard | test_mulb(0x1234561d, 4); |
403 | 4b74fe1f | bellard | test_mulb(3, -4); |
404 | 4b74fe1f | bellard | test_mulb(0x80, 0x80); |
405 | 4b74fe1f | bellard | test_mulb(0x10, 0x10); |
406 | 4b74fe1f | bellard | |
407 | 4b74fe1f | bellard | test_mulw(0, 0x1234001d, 45); |
408 | 4b74fe1f | bellard | test_mulw(0, 23, -45); |
409 | 4b74fe1f | bellard | test_mulw(0, 0x8000, 0x8000); |
410 | 4b74fe1f | bellard | test_mulw(0, 0x100, 0x100); |
411 | 4b74fe1f | bellard | |
412 | 4b74fe1f | bellard | test_mull(0, 0x1234001d, 45); |
413 | 4b74fe1f | bellard | test_mull(0, 23, -45); |
414 | 4b74fe1f | bellard | test_mull(0, 0x80000000, 0x80000000); |
415 | 4b74fe1f | bellard | test_mull(0, 0x10000, 0x10000); |
416 | 4b74fe1f | bellard | |
417 | 4b74fe1f | bellard | test_imulw2(0x1234001d, 45); |
418 | 4b74fe1f | bellard | test_imulw2(23, -45); |
419 | 4b74fe1f | bellard | test_imulw2(0x8000, 0x8000); |
420 | 4b74fe1f | bellard | test_imulw2(0x100, 0x100); |
421 | 4b74fe1f | bellard | |
422 | 4b74fe1f | bellard | test_imull2(0x1234001d, 45); |
423 | 4b74fe1f | bellard | test_imull2(23, -45); |
424 | 4b74fe1f | bellard | test_imull2(0x80000000, 0x80000000); |
425 | 4b74fe1f | bellard | test_imull2(0x10000, 0x10000); |
426 | 4b74fe1f | bellard | |
427 | 4b74fe1f | bellard | test_idivb(0x12341678, 0x127e); |
428 | 4b74fe1f | bellard | test_idivb(0x43210123, -5); |
429 | 4b74fe1f | bellard | test_idivb(0x12340004, -1); |
430 | 4b74fe1f | bellard | |
431 | 4b74fe1f | bellard | test_idivw(0, 0x12345678, 12347); |
432 | 4b74fe1f | bellard | test_idivw(0, -23223, -45); |
433 | 4b74fe1f | bellard | test_idivw(0, 0x12348000, -1); |
434 | 4b74fe1f | bellard | test_idivw(0x12343, 0x12345678, 0x81238567); |
435 | 4b74fe1f | bellard | |
436 | 4b74fe1f | bellard | test_idivl(0, 0x12345678, 12347); |
437 | 4b74fe1f | bellard | test_idivl(0, -233223, -45); |
438 | 4b74fe1f | bellard | test_idivl(0, 0x80000000, -1); |
439 | 4b74fe1f | bellard | test_idivl(0x12343, 0x12345678, 0x81234567); |
440 | 4b74fe1f | bellard | |
441 | 4b74fe1f | bellard | test_divb(0x12341678, 0x127e); |
442 | 4b74fe1f | bellard | test_divb(0x43210123, -5); |
443 | 4b74fe1f | bellard | test_divb(0x12340004, -1); |
444 | 4b74fe1f | bellard | |
445 | 4b74fe1f | bellard | test_divw(0, 0x12345678, 12347); |
446 | 4b74fe1f | bellard | test_divw(0, -23223, -45); |
447 | 4b74fe1f | bellard | test_divw(0, 0x12348000, -1); |
448 | 4b74fe1f | bellard | test_divw(0x12343, 0x12345678, 0x81238567); |
449 | 4b74fe1f | bellard | |
450 | 4b74fe1f | bellard | test_divl(0, 0x12345678, 12347); |
451 | 4b74fe1f | bellard | test_divl(0, -233223, -45); |
452 | 4b74fe1f | bellard | test_divl(0, 0x80000000, -1); |
453 | 4b74fe1f | bellard | test_divl(0x12343, 0x12345678, 0x81234567); |
454 | 4b74fe1f | bellard | } |
455 | 4b74fe1f | bellard | |
456 | 9d8e9c09 | bellard | #define TEST_BSX(op, size, op0)\
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457 | 9d8e9c09 | bellard | {\ |
458 | 9d8e9c09 | bellard | int res, val, resz;\
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459 | 9d8e9c09 | bellard | val = op0;\ |
460 | 9d8e9c09 | bellard | asm("xorl %1, %1 ; " #op " %" size "2, %" size "0 ; setz %b1" \ |
461 | 9d8e9c09 | bellard | : "=r" (res), "=q" (resz)\ |
462 | 9d8e9c09 | bellard | : "g" (val));\
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463 | 9d8e9c09 | bellard | printf("%-10s A=%08x R=%08x %d\n", #op, val, resz ? 0 : res, resz);\ |
464 | 9d8e9c09 | bellard | } |
465 | 9d8e9c09 | bellard | |
466 | 9d8e9c09 | bellard | void test_bsx(void) |
467 | 9d8e9c09 | bellard | { |
468 | 9d8e9c09 | bellard | TEST_BSX(bsrw, "w", 0); |
469 | 9d8e9c09 | bellard | TEST_BSX(bsrw, "w", 0x12340128); |
470 | 9d8e9c09 | bellard | TEST_BSX(bsrl, "", 0); |
471 | 9d8e9c09 | bellard | TEST_BSX(bsrl, "", 0x00340128); |
472 | 9d8e9c09 | bellard | TEST_BSX(bsfw, "w", 0); |
473 | 9d8e9c09 | bellard | TEST_BSX(bsfw, "w", 0x12340128); |
474 | 9d8e9c09 | bellard | TEST_BSX(bsfl, "", 0); |
475 | 9d8e9c09 | bellard | TEST_BSX(bsfl, "", 0x00340128); |
476 | 9d8e9c09 | bellard | } |
477 | 9d8e9c09 | bellard | |
478 | 55480af8 | bellard | /**********************************************/
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479 | 55480af8 | bellard | |
480 | 9d8e9c09 | bellard | void test_fops(double a, double b) |
481 | 9d8e9c09 | bellard | { |
482 | 9d8e9c09 | bellard | printf("a=%f b=%f a+b=%f\n", a, b, a + b);
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483 | 9d8e9c09 | bellard | printf("a=%f b=%f a-b=%f\n", a, b, a - b);
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484 | 9d8e9c09 | bellard | printf("a=%f b=%f a*b=%f\n", a, b, a * b);
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485 | 9d8e9c09 | bellard | printf("a=%f b=%f a/b=%f\n", a, b, a / b);
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486 | 9d8e9c09 | bellard | printf("a=%f b=%f fmod(a, b)=%f\n", a, b, fmod(a, b));
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487 | 9d8e9c09 | bellard | printf("a=%f sqrt(a)=%f\n", a, sqrt(a));
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488 | 9d8e9c09 | bellard | printf("a=%f sin(a)=%f\n", a, sin(a));
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489 | 9d8e9c09 | bellard | printf("a=%f cos(a)=%f\n", a, cos(a));
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490 | 9d8e9c09 | bellard | printf("a=%f tan(a)=%f\n", a, tan(a));
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491 | 9d8e9c09 | bellard | printf("a=%f log(a)=%f\n", a, log(a));
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492 | 9d8e9c09 | bellard | printf("a=%f exp(a)=%f\n", a, exp(a));
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493 | 9d8e9c09 | bellard | printf("a=%f b=%f atan2(a, b)=%f\n", a, b, atan2(a, b));
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494 | 9d8e9c09 | bellard | /* just to test some op combining */
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495 | 9d8e9c09 | bellard | printf("a=%f asin(sin(a))=%f\n", a, asin(sin(a)));
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496 | 9d8e9c09 | bellard | printf("a=%f acos(cos(a))=%f\n", a, acos(cos(a)));
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497 | 9d8e9c09 | bellard | printf("a=%f atan(tan(a))=%f\n", a, atan(tan(a)));
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498 | 9d8e9c09 | bellard | |
499 | 9d8e9c09 | bellard | } |
500 | 9d8e9c09 | bellard | |
501 | 9d8e9c09 | bellard | void test_fcmp(double a, double b) |
502 | 9d8e9c09 | bellard | { |
503 | 9d8e9c09 | bellard | printf("(%f<%f)=%d\n",
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504 | 9d8e9c09 | bellard | a, b, a < b); |
505 | 9d8e9c09 | bellard | printf("(%f<=%f)=%d\n",
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506 | 9d8e9c09 | bellard | a, b, a <= b); |
507 | 9d8e9c09 | bellard | printf("(%f==%f)=%d\n",
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508 | 9d8e9c09 | bellard | a, b, a == b); |
509 | 9d8e9c09 | bellard | printf("(%f>%f)=%d\n",
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510 | 9d8e9c09 | bellard | a, b, a > b); |
511 | 9d8e9c09 | bellard | printf("(%f<=%f)=%d\n",
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512 | 9d8e9c09 | bellard | a, b, a >= b); |
513 | 9d8e9c09 | bellard | } |
514 | 9d8e9c09 | bellard | |
515 | 9d8e9c09 | bellard | void test_fcvt(double a) |
516 | 9d8e9c09 | bellard | { |
517 | 9d8e9c09 | bellard | float fa;
|
518 | 9d8e9c09 | bellard | long double la; |
519 | 9d8e9c09 | bellard | |
520 | 9d8e9c09 | bellard | fa = a; |
521 | 9d8e9c09 | bellard | la = a; |
522 | 9d8e9c09 | bellard | printf("(float)%f = %f\n", a, fa);
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523 | 9d8e9c09 | bellard | printf("(long double)%f = %Lf\n", a, la);
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524 | c5e9815d | bellard | printf("a=%016Lx\n", *(long long *)&a); |
525 | c5e9815d | bellard | printf("la=%016Lx %04x\n", *(long long *)&la, |
526 | c5e9815d | bellard | *(unsigned short *)((char *)(&la) + 8)); |
527 | 9d8e9c09 | bellard | printf("a=%f floor(a)=%f\n", a, floor(a));
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528 | 9d8e9c09 | bellard | printf("a=%f ceil(a)=%f\n", a, ceil(a));
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529 | 9d8e9c09 | bellard | printf("a=%f rint(a)=%f\n", a, rint(a));
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530 | 9d8e9c09 | bellard | } |
531 | 9d8e9c09 | bellard | |
532 | 9d8e9c09 | bellard | #define TEST(N) \
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533 | 9d8e9c09 | bellard | asm("fld" #N : "=t" (a)); \ |
534 | 9d8e9c09 | bellard | printf("fld" #N "= %f\n", a); |
535 | 9d8e9c09 | bellard | |
536 | 9d8e9c09 | bellard | void test_fconst(void) |
537 | 9d8e9c09 | bellard | { |
538 | 9d8e9c09 | bellard | double a;
|
539 | 9d8e9c09 | bellard | TEST(1);
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540 | 9d8e9c09 | bellard | TEST(l2t); |
541 | 9d8e9c09 | bellard | TEST(l2e); |
542 | 9d8e9c09 | bellard | TEST(pi); |
543 | 9d8e9c09 | bellard | TEST(lg2); |
544 | 9d8e9c09 | bellard | TEST(ln2); |
545 | 9d8e9c09 | bellard | TEST(z); |
546 | 9d8e9c09 | bellard | } |
547 | 9d8e9c09 | bellard | |
548 | c5e9815d | bellard | void test_fbcd(double a) |
549 | c5e9815d | bellard | { |
550 | c5e9815d | bellard | unsigned short bcd[5]; |
551 | c5e9815d | bellard | double b;
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552 | c5e9815d | bellard | |
553 | c5e9815d | bellard | asm("fbstp %0" : "=m" (bcd[0]) : "t" (a) : "st"); |
554 | c5e9815d | bellard | asm("fbld %1" : "=t" (b) : "m" (bcd[0])); |
555 | c5e9815d | bellard | printf("a=%f bcd=%04x%04x%04x%04x%04x b=%f\n",
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556 | c5e9815d | bellard | a, bcd[4], bcd[3], bcd[2], bcd[1], bcd[0], b); |
557 | c5e9815d | bellard | } |
558 | c5e9815d | bellard | |
559 | 9d8e9c09 | bellard | void test_floats(void) |
560 | 9d8e9c09 | bellard | { |
561 | 9d8e9c09 | bellard | test_fops(2, 3); |
562 | 9d8e9c09 | bellard | test_fops(1.4, -5); |
563 | 9d8e9c09 | bellard | test_fcmp(2, -1); |
564 | 9d8e9c09 | bellard | test_fcmp(2, 2); |
565 | 9d8e9c09 | bellard | test_fcmp(2, 3); |
566 | 9d8e9c09 | bellard | test_fcvt(1.0/7.0); |
567 | 9d8e9c09 | bellard | test_fcvt(-1.0/9.0); |
568 | 9d8e9c09 | bellard | test_fcvt(1e30);
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569 | 9d8e9c09 | bellard | test_fconst(); |
570 | c5e9815d | bellard | test_fbcd(1234567890123456);
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571 | c5e9815d | bellard | test_fbcd(-123451234567890);
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572 | 9d8e9c09 | bellard | } |
573 | 4b74fe1f | bellard | |
574 | 55480af8 | bellard | /**********************************************/
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575 | 55480af8 | bellard | |
576 | 55480af8 | bellard | #define TEST_BCD(op, op0, cc_in, cc_mask)\
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577 | 55480af8 | bellard | {\ |
578 | 55480af8 | bellard | int res, flags;\
|
579 | 55480af8 | bellard | res = op0;\ |
580 | 55480af8 | bellard | flags = cc_in;\ |
581 | 55480af8 | bellard | asm ("push %3\n\t"\ |
582 | 55480af8 | bellard | "popf\n\t"\
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583 | 55480af8 | bellard | #op "\n\t"\ |
584 | 55480af8 | bellard | "pushf\n\t"\
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585 | 55480af8 | bellard | "popl %1\n\t"\
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586 | 55480af8 | bellard | : "=a" (res), "=g" (flags)\ |
587 | 55480af8 | bellard | : "0" (res), "1" (flags));\ |
588 | 55480af8 | bellard | printf("%-10s A=%08x R=%08x CCIN=%04x CC=%04x\n",\
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589 | 55480af8 | bellard | #op, op0, res, cc_in, flags & cc_mask);\
|
590 | 55480af8 | bellard | } |
591 | 55480af8 | bellard | |
592 | 55480af8 | bellard | void test_bcd(void) |
593 | 55480af8 | bellard | { |
594 | 55480af8 | bellard | TEST_BCD(daa, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
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595 | 55480af8 | bellard | TEST_BCD(daa, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
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596 | 55480af8 | bellard | TEST_BCD(daa, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
597 | 55480af8 | bellard | TEST_BCD(daa, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
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598 | 55480af8 | bellard | TEST_BCD(daa, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
599 | 55480af8 | bellard | TEST_BCD(daa, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
600 | 55480af8 | bellard | TEST_BCD(daa, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
601 | 55480af8 | bellard | TEST_BCD(daa, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
602 | 55480af8 | bellard | TEST_BCD(daa, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
603 | 55480af8 | bellard | TEST_BCD(daa, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
604 | 55480af8 | bellard | TEST_BCD(daa, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
605 | 55480af8 | bellard | TEST_BCD(daa, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
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606 | 55480af8 | bellard | TEST_BCD(daa, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
607 | 55480af8 | bellard | |
608 | 55480af8 | bellard | TEST_BCD(das, 0x12340503, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
609 | 55480af8 | bellard | TEST_BCD(das, 0x12340506, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
610 | 55480af8 | bellard | TEST_BCD(das, 0x12340507, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
611 | 55480af8 | bellard | TEST_BCD(das, 0x12340559, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
612 | 55480af8 | bellard | TEST_BCD(das, 0x12340560, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
613 | 55480af8 | bellard | TEST_BCD(das, 0x1234059f, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
614 | 55480af8 | bellard | TEST_BCD(das, 0x123405a0, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
615 | 55480af8 | bellard | TEST_BCD(das, 0x12340503, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
616 | 55480af8 | bellard | TEST_BCD(das, 0x12340506, 0, (CC_C | CC_P | CC_Z | CC_S | CC_A)); |
617 | 55480af8 | bellard | TEST_BCD(das, 0x12340503, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
618 | 55480af8 | bellard | TEST_BCD(das, 0x12340506, CC_C, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
619 | 55480af8 | bellard | TEST_BCD(das, 0x12340503, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
620 | 55480af8 | bellard | TEST_BCD(das, 0x12340506, CC_C | CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_A));
|
621 | 55480af8 | bellard | |
622 | 55480af8 | bellard | TEST_BCD(aaa, 0x12340205, CC_A, (CC_C | CC_A));
|
623 | 55480af8 | bellard | TEST_BCD(aaa, 0x12340306, CC_A, (CC_C | CC_A));
|
624 | 55480af8 | bellard | TEST_BCD(aaa, 0x1234040a, CC_A, (CC_C | CC_A));
|
625 | 55480af8 | bellard | TEST_BCD(aaa, 0x123405fa, CC_A, (CC_C | CC_A));
|
626 | 55480af8 | bellard | TEST_BCD(aaa, 0x12340205, 0, (CC_C | CC_A)); |
627 | 55480af8 | bellard | TEST_BCD(aaa, 0x12340306, 0, (CC_C | CC_A)); |
628 | 55480af8 | bellard | TEST_BCD(aaa, 0x1234040a, 0, (CC_C | CC_A)); |
629 | 55480af8 | bellard | TEST_BCD(aaa, 0x123405fa, 0, (CC_C | CC_A)); |
630 | 55480af8 | bellard | |
631 | 55480af8 | bellard | TEST_BCD(aas, 0x12340205, CC_A, (CC_C | CC_A));
|
632 | 55480af8 | bellard | TEST_BCD(aas, 0x12340306, CC_A, (CC_C | CC_A));
|
633 | 55480af8 | bellard | TEST_BCD(aas, 0x1234040a, CC_A, (CC_C | CC_A));
|
634 | 55480af8 | bellard | TEST_BCD(aas, 0x123405fa, CC_A, (CC_C | CC_A));
|
635 | 55480af8 | bellard | TEST_BCD(aas, 0x12340205, 0, (CC_C | CC_A)); |
636 | 55480af8 | bellard | TEST_BCD(aas, 0x12340306, 0, (CC_C | CC_A)); |
637 | 55480af8 | bellard | TEST_BCD(aas, 0x1234040a, 0, (CC_C | CC_A)); |
638 | 55480af8 | bellard | TEST_BCD(aas, 0x123405fa, 0, (CC_C | CC_A)); |
639 | 55480af8 | bellard | |
640 | 55480af8 | bellard | TEST_BCD(aam, 0x12340547, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));
|
641 | 55480af8 | bellard | TEST_BCD(aad, 0x12340407, CC_A, (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));
|
642 | 55480af8 | bellard | } |
643 | 55480af8 | bellard | |
644 | e5918247 | bellard | #define TEST_XCHG(op, size, opconst)\
|
645 | e5918247 | bellard | {\ |
646 | e5918247 | bellard | int op0, op1;\
|
647 | e5918247 | bellard | op0 = 0x12345678;\
|
648 | e5918247 | bellard | op1 = 0xfbca7654;\
|
649 | e5918247 | bellard | asm(#op " %" size "0, %" size "1" \ |
650 | e5918247 | bellard | : "=q" (op0), opconst (op1) \
|
651 | e5918247 | bellard | : "0" (op0), "1" (op1));\ |
652 | e5918247 | bellard | printf("%-10s A=%08x B=%08x\n",\
|
653 | e5918247 | bellard | #op, op0, op1);\
|
654 | e5918247 | bellard | } |
655 | e5918247 | bellard | |
656 | e5918247 | bellard | #define TEST_CMPXCHG(op, size, opconst, eax)\
|
657 | e5918247 | bellard | {\ |
658 | e5918247 | bellard | int op0, op1;\
|
659 | e5918247 | bellard | op0 = 0x12345678;\
|
660 | e5918247 | bellard | op1 = 0xfbca7654;\
|
661 | e5918247 | bellard | asm(#op " %" size "0, %" size "1" \ |
662 | e5918247 | bellard | : "=q" (op0), opconst (op1) \
|
663 | e5918247 | bellard | : "0" (op0), "1" (op1), "a" (eax));\ |
664 | e5918247 | bellard | printf("%-10s EAX=%08x A=%08x C=%08x\n",\
|
665 | e5918247 | bellard | #op, eax, op0, op1);\
|
666 | e5918247 | bellard | } |
667 | e5918247 | bellard | |
668 | e5918247 | bellard | void test_xchg(void) |
669 | e5918247 | bellard | { |
670 | e5918247 | bellard | TEST_XCHG(xchgl, "", "=q"); |
671 | e5918247 | bellard | TEST_XCHG(xchgw, "w", "=q"); |
672 | e5918247 | bellard | TEST_XCHG(xchgb, "b", "=q"); |
673 | e5918247 | bellard | |
674 | e5918247 | bellard | TEST_XCHG(xchgl, "", "=m"); |
675 | e5918247 | bellard | TEST_XCHG(xchgw, "w", "=m"); |
676 | e5918247 | bellard | TEST_XCHG(xchgb, "b", "=m"); |
677 | e5918247 | bellard | |
678 | e5918247 | bellard | TEST_XCHG(xaddl, "", "=q"); |
679 | e5918247 | bellard | TEST_XCHG(xaddw, "w", "=q"); |
680 | e5918247 | bellard | TEST_XCHG(xaddb, "b", "=q"); |
681 | e5918247 | bellard | |
682 | e5918247 | bellard | TEST_XCHG(xaddl, "", "=m"); |
683 | e5918247 | bellard | TEST_XCHG(xaddw, "w", "=m"); |
684 | e5918247 | bellard | TEST_XCHG(xaddb, "b", "=m"); |
685 | e5918247 | bellard | |
686 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgl, "", "=q", 0xfbca7654); |
687 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfbca7654); |
688 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfbca7654); |
689 | e5918247 | bellard | |
690 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgl, "", "=q", 0xfffefdfc); |
691 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgw, "w", "=q", 0xfffefdfc); |
692 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgb, "b", "=q", 0xfffefdfc); |
693 | e5918247 | bellard | |
694 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfbca7654); |
695 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfbca7654); |
696 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfbca7654); |
697 | e5918247 | bellard | |
698 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgl, "", "=m", 0xfffefdfc); |
699 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgw, "w", "=m", 0xfffefdfc); |
700 | e5918247 | bellard | TEST_CMPXCHG(cmpxchgb, "b", "=m", 0xfffefdfc); |
701 | e5918247 | bellard | } |
702 | e5918247 | bellard | |
703 | 6dbad63e | bellard | /**********************************************/
|
704 | 6dbad63e | bellard | /* segmentation tests */
|
705 | 6dbad63e | bellard | |
706 | 6dbad63e | bellard | #include <asm/ldt.h> |
707 | 6dbad63e | bellard | #include <linux/unistd.h> |
708 | 6dbad63e | bellard | |
709 | 6dbad63e | bellard | _syscall3(int, modify_ldt, int, func, void *, ptr, unsigned long, bytecount) |
710 | 6dbad63e | bellard | |
711 | 6dbad63e | bellard | uint8_t seg_data1[4096];
|
712 | 6dbad63e | bellard | uint8_t seg_data2[4096];
|
713 | 6dbad63e | bellard | |
714 | e5918247 | bellard | #define MK_SEL(n) (((n) << 3) | 7) |
715 | 6dbad63e | bellard | |
716 | 288426fe | bellard | #define TEST_LR(op, size, seg, mask)\
|
717 | 288426fe | bellard | {\ |
718 | 288426fe | bellard | int res, res2;\
|
719 | 288426fe | bellard | res = 0x12345678;\
|
720 | 288426fe | bellard | asm (op " %" size "2, %" size "0\n" \ |
721 | 288426fe | bellard | "movl $0, %1\n"\
|
722 | 288426fe | bellard | "jnz 1f\n"\
|
723 | 288426fe | bellard | "movl $1, %1\n"\
|
724 | 288426fe | bellard | "1:\n"\
|
725 | 288426fe | bellard | : "=r" (res), "=r" (res2) : "m" (seg), "0" (res));\ |
726 | 288426fe | bellard | printf(op ": Z=%d %08x\n", res2, res & ~(mask));\
|
727 | 288426fe | bellard | } |
728 | 288426fe | bellard | |
729 | 6dbad63e | bellard | /* NOTE: we use Linux modify_ldt syscall */
|
730 | 6dbad63e | bellard | void test_segs(void) |
731 | 6dbad63e | bellard | { |
732 | 6dbad63e | bellard | struct modify_ldt_ldt_s ldt;
|
733 | 6dbad63e | bellard | long long ldt_table[3]; |
734 | 04369ff2 | bellard | int res, res2;
|
735 | 6dbad63e | bellard | char tmp;
|
736 | e1d4294a | bellard | struct {
|
737 | e1d4294a | bellard | uint32_t offset; |
738 | e1d4294a | bellard | uint16_t seg; |
739 | e1d4294a | bellard | } __attribute__((packed)) segoff; |
740 | 6dbad63e | bellard | |
741 | 6dbad63e | bellard | ldt.entry_number = 1;
|
742 | 6dbad63e | bellard | ldt.base_addr = (unsigned long)&seg_data1; |
743 | 6dbad63e | bellard | ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12; |
744 | 6dbad63e | bellard | ldt.seg_32bit = 1;
|
745 | 6dbad63e | bellard | ldt.contents = MODIFY_LDT_CONTENTS_DATA; |
746 | 6dbad63e | bellard | ldt.read_exec_only = 0;
|
747 | 6dbad63e | bellard | ldt.limit_in_pages = 1;
|
748 | 6dbad63e | bellard | ldt.seg_not_present = 0;
|
749 | 6dbad63e | bellard | ldt.useable = 1;
|
750 | 6dbad63e | bellard | modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
751 | 6dbad63e | bellard | |
752 | 6dbad63e | bellard | ldt.entry_number = 2;
|
753 | 6dbad63e | bellard | ldt.base_addr = (unsigned long)&seg_data2; |
754 | 6dbad63e | bellard | ldt.limit = (sizeof(seg_data2) + 0xfff) >> 12; |
755 | 6dbad63e | bellard | ldt.seg_32bit = 1;
|
756 | 6dbad63e | bellard | ldt.contents = MODIFY_LDT_CONTENTS_DATA; |
757 | 6dbad63e | bellard | ldt.read_exec_only = 0;
|
758 | 6dbad63e | bellard | ldt.limit_in_pages = 1;
|
759 | 6dbad63e | bellard | ldt.seg_not_present = 0;
|
760 | 6dbad63e | bellard | ldt.useable = 1;
|
761 | 6dbad63e | bellard | modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
762 | 6dbad63e | bellard | |
763 | 6dbad63e | bellard | modify_ldt(0, &ldt_table, sizeof(ldt_table)); /* read ldt entries */ |
764 | 04369ff2 | bellard | #if 0
|
765 | 04369ff2 | bellard | {
|
766 | 04369ff2 | bellard | int i;
|
767 | 04369ff2 | bellard | for(i=0;i<3;i++)
|
768 | 04369ff2 | bellard | printf("%d: %016Lx\n", i, ldt_table[i]);
|
769 | 04369ff2 | bellard | }
|
770 | 04369ff2 | bellard | #endif
|
771 | 6dbad63e | bellard | /* do some tests with fs or gs */
|
772 | 6dbad63e | bellard | asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1))); |
773 | 6dbad63e | bellard | asm volatile ("movl %0, %%gs" : : "r" (MK_SEL(2))); |
774 | 6dbad63e | bellard | |
775 | 6dbad63e | bellard | seg_data1[1] = 0xaa; |
776 | 6dbad63e | bellard | seg_data2[1] = 0x55; |
777 | 6dbad63e | bellard | |
778 | 6dbad63e | bellard | asm volatile ("fs movzbl 0x1, %0" : "=r" (res)); |
779 | 6dbad63e | bellard | printf("FS[1] = %02x\n", res);
|
780 | 6dbad63e | bellard | |
781 | 6dbad63e | bellard | asm volatile ("gs movzbl 0x1, %0" : "=r" (res)); |
782 | 6dbad63e | bellard | printf("GS[1] = %02x\n", res);
|
783 | 6dbad63e | bellard | |
784 | 6dbad63e | bellard | /* tests with ds/ss (implicit segment case) */
|
785 | 6dbad63e | bellard | tmp = 0xa5;
|
786 | 6dbad63e | bellard | asm volatile ("pushl %%ebp\n\t" |
787 | 6dbad63e | bellard | "pushl %%ds\n\t"
|
788 | 6dbad63e | bellard | "movl %2, %%ds\n\t"
|
789 | 6dbad63e | bellard | "movl %3, %%ebp\n\t"
|
790 | 6dbad63e | bellard | "movzbl 0x1, %0\n\t"
|
791 | 6dbad63e | bellard | "movzbl (%%ebp), %1\n\t"
|
792 | 6dbad63e | bellard | "popl %%ds\n\t"
|
793 | 6dbad63e | bellard | "popl %%ebp\n\t"
|
794 | 6dbad63e | bellard | : "=r" (res), "=r" (res2) |
795 | 6dbad63e | bellard | : "r" (MK_SEL(1)), "r" (&tmp)); |
796 | 6dbad63e | bellard | printf("DS[1] = %02x\n", res);
|
797 | 6dbad63e | bellard | printf("SS[tmp] = %02x\n", res2);
|
798 | e1d4294a | bellard | |
799 | e1d4294a | bellard | segoff.seg = MK_SEL(2);
|
800 | e1d4294a | bellard | segoff.offset = 0xabcdef12;
|
801 | e1d4294a | bellard | asm volatile("lfs %2, %0\n\t" |
802 | e1d4294a | bellard | "movl %%fs, %1\n\t"
|
803 | e1d4294a | bellard | : "=r" (res), "=g" (res2) |
804 | e1d4294a | bellard | : "m" (segoff));
|
805 | e1d4294a | bellard | printf("FS:reg = %04x:%08x\n", res2, res);
|
806 | 288426fe | bellard | |
807 | 288426fe | bellard | TEST_LR("larw", "w", MK_SEL(2), 0x0100); |
808 | 288426fe | bellard | TEST_LR("larl", "", MK_SEL(2), 0x0100); |
809 | 288426fe | bellard | TEST_LR("lslw", "w", MK_SEL(2), 0); |
810 | 288426fe | bellard | TEST_LR("lsll", "", MK_SEL(2), 0); |
811 | 288426fe | bellard | |
812 | 288426fe | bellard | TEST_LR("larw", "w", 0xfff8, 0); |
813 | 288426fe | bellard | TEST_LR("larl", "", 0xfff8, 0); |
814 | 288426fe | bellard | TEST_LR("lslw", "w", 0xfff8, 0); |
815 | 288426fe | bellard | TEST_LR("lsll", "", 0xfff8, 0); |
816 | 6dbad63e | bellard | } |
817 | 55480af8 | bellard | |
818 | e5918247 | bellard | /* 16 bit code test */
|
819 | e5918247 | bellard | extern char code16_start, code16_end; |
820 | e5918247 | bellard | extern char code16_func1; |
821 | e5918247 | bellard | extern char code16_func2; |
822 | e5918247 | bellard | extern char code16_func3; |
823 | a300e691 | bellard | |
824 | e5918247 | bellard | void test_code16(void) |
825 | 1a9353d2 | bellard | { |
826 | e5918247 | bellard | struct modify_ldt_ldt_s ldt;
|
827 | e5918247 | bellard | int res, res2;
|
828 | a300e691 | bellard | |
829 | e5918247 | bellard | /* build a code segment */
|
830 | e5918247 | bellard | ldt.entry_number = 1;
|
831 | e5918247 | bellard | ldt.base_addr = (unsigned long)&code16_start; |
832 | e5918247 | bellard | ldt.limit = &code16_end - &code16_start; |
833 | e5918247 | bellard | ldt.seg_32bit = 0;
|
834 | e5918247 | bellard | ldt.contents = MODIFY_LDT_CONTENTS_CODE; |
835 | e5918247 | bellard | ldt.read_exec_only = 0;
|
836 | e5918247 | bellard | ldt.limit_in_pages = 0;
|
837 | e5918247 | bellard | ldt.seg_not_present = 0;
|
838 | e5918247 | bellard | ldt.useable = 1;
|
839 | e5918247 | bellard | modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
840 | a300e691 | bellard | |
841 | e5918247 | bellard | /* call the first function */
|
842 | e5918247 | bellard | asm volatile ("lcall %1, %2" |
843 | e5918247 | bellard | : "=a" (res)
|
844 | e5918247 | bellard | : "i" (MK_SEL(1)), "i" (&code16_func1): "memory", "cc"); |
845 | e5918247 | bellard | printf("func1() = 0x%08x\n", res);
|
846 | e5918247 | bellard | asm volatile ("lcall %2, %3" |
847 | e5918247 | bellard | : "=a" (res), "=c" (res2) |
848 | e5918247 | bellard | : "i" (MK_SEL(1)), "i" (&code16_func2): "memory", "cc"); |
849 | e5918247 | bellard | printf("func2() = 0x%08x spdec=%d\n", res, res2);
|
850 | e5918247 | bellard | asm volatile ("lcall %1, %2" |
851 | e5918247 | bellard | : "=a" (res)
|
852 | e5918247 | bellard | : "i" (MK_SEL(1)), "i" (&code16_func3): "memory", "cc"); |
853 | e5918247 | bellard | printf("func3() = 0x%08x\n", res);
|
854 | 1a9353d2 | bellard | } |
855 | 1a9353d2 | bellard | |
856 | e1d4294a | bellard | void test_misc(void) |
857 | e1d4294a | bellard | { |
858 | e1d4294a | bellard | char table[256]; |
859 | e1d4294a | bellard | int res, i;
|
860 | e1d4294a | bellard | |
861 | e1d4294a | bellard | for(i=0;i<256;i++) table[i] = 256 - i; |
862 | e1d4294a | bellard | res = 0x12345678;
|
863 | e1d4294a | bellard | asm ("xlat" : "=a" (res) : "b" (table), "0" (res)); |
864 | e1d4294a | bellard | printf("xlat: EAX=%08x\n", res);
|
865 | e1d4294a | bellard | } |
866 | e1d4294a | bellard | |
867 | e1d4294a | bellard | uint8_t str_buffer[4096];
|
868 | e1d4294a | bellard | |
869 | e1d4294a | bellard | #define TEST_STRING1(OP, size, DF, REP)\
|
870 | e1d4294a | bellard | {\ |
871 | e1d4294a | bellard | int esi, edi, eax, ecx, eflags;\
|
872 | e1d4294a | bellard | \ |
873 | e1d4294a | bellard | esi = (long)(str_buffer + sizeof(str_buffer) / 2);\ |
874 | e1d4294a | bellard | edi = (long)(str_buffer + sizeof(str_buffer) / 2) + 16;\ |
875 | e1d4294a | bellard | eax = 0x12345678;\
|
876 | e1d4294a | bellard | ecx = 17;\
|
877 | e1d4294a | bellard | \ |
878 | e1d4294a | bellard | asm volatile ("pushl $0\n\t"\ |
879 | e1d4294a | bellard | "popf\n\t"\
|
880 | e1d4294a | bellard | DF "\n\t"\
|
881 | e1d4294a | bellard | REP #OP size "\n\t"\ |
882 | e1d4294a | bellard | "cld\n\t"\
|
883 | e1d4294a | bellard | "pushf\n\t"\
|
884 | e1d4294a | bellard | "popl %4\n\t"\
|
885 | e1d4294a | bellard | : "=S" (esi), "=D" (edi), "=a" (eax), "=c" (ecx), "=g" (eflags)\ |
886 | e1d4294a | bellard | : "0" (esi), "1" (edi), "2" (eax), "3" (ecx));\ |
887 | e1d4294a | bellard | printf("%-10s ESI=%08x EDI=%08x EAX=%08x ECX=%08x EFL=%04x\n",\
|
888 | e1d4294a | bellard | REP #OP size, esi, edi, eax, ecx,\
|
889 | e1d4294a | bellard | eflags & (CC_C | CC_P | CC_Z | CC_S | CC_O | CC_A));\ |
890 | e1d4294a | bellard | } |
891 | e1d4294a | bellard | |
892 | e1d4294a | bellard | #define TEST_STRING(OP, REP)\
|
893 | e1d4294a | bellard | TEST_STRING1(OP, "b", "", REP);\ |
894 | e1d4294a | bellard | TEST_STRING1(OP, "w", "", REP);\ |
895 | e1d4294a | bellard | TEST_STRING1(OP, "l", "", REP);\ |
896 | e1d4294a | bellard | TEST_STRING1(OP, "b", "std", REP);\ |
897 | e1d4294a | bellard | TEST_STRING1(OP, "w", "std", REP);\ |
898 | e1d4294a | bellard | TEST_STRING1(OP, "l", "std", REP) |
899 | e1d4294a | bellard | |
900 | e1d4294a | bellard | void test_string(void) |
901 | e1d4294a | bellard | { |
902 | e1d4294a | bellard | int i;
|
903 | e1d4294a | bellard | for(i = 0;i < sizeof(str_buffer); i++) |
904 | e1d4294a | bellard | str_buffer[i] = i + 0x56;
|
905 | e1d4294a | bellard | TEST_STRING(stos, "");
|
906 | e1d4294a | bellard | TEST_STRING(stos, "rep ");
|
907 | e1d4294a | bellard | TEST_STRING(lods, ""); /* to verify stos */ |
908 | e1d4294a | bellard | TEST_STRING(lods, "rep ");
|
909 | e1d4294a | bellard | TEST_STRING(movs, "");
|
910 | e1d4294a | bellard | TEST_STRING(movs, "rep ");
|
911 | e1d4294a | bellard | TEST_STRING(lods, ""); /* to verify stos */ |
912 | e1d4294a | bellard | |
913 | e1d4294a | bellard | /* XXX: better tests */
|
914 | e1d4294a | bellard | TEST_STRING(scas, "");
|
915 | e1d4294a | bellard | TEST_STRING(scas, "repz ");
|
916 | e1d4294a | bellard | TEST_STRING(scas, "repnz ");
|
917 | e1d4294a | bellard | TEST_STRING(cmps, "");
|
918 | e1d4294a | bellard | TEST_STRING(cmps, "repz ");
|
919 | e1d4294a | bellard | TEST_STRING(cmps, "repnz ");
|
920 | e1d4294a | bellard | } |
921 | e5918247 | bellard | |
922 | 3a27ad0b | bellard | /* VM86 test */
|
923 | 3a27ad0b | bellard | |
924 | 3a27ad0b | bellard | static inline void set_bit(uint8_t *a, unsigned int bit) |
925 | 3a27ad0b | bellard | { |
926 | 3a27ad0b | bellard | a[bit / 8] |= (1 << (bit % 8)); |
927 | 3a27ad0b | bellard | } |
928 | 3a27ad0b | bellard | |
929 | 3a27ad0b | bellard | static inline uint8_t *seg_to_linear(unsigned int seg, unsigned int reg) |
930 | 3a27ad0b | bellard | { |
931 | 3a27ad0b | bellard | return (uint8_t *)((seg << 4) + (reg & 0xffff)); |
932 | 3a27ad0b | bellard | } |
933 | 3a27ad0b | bellard | |
934 | 3a27ad0b | bellard | static inline void pushw(struct vm86_regs *r, int val) |
935 | 3a27ad0b | bellard | { |
936 | 3a27ad0b | bellard | r->esp = (r->esp & ~0xffff) | ((r->esp - 2) & 0xffff); |
937 | 3a27ad0b | bellard | *(uint16_t *)seg_to_linear(r->ss, r->esp) = val; |
938 | 3a27ad0b | bellard | } |
939 | 3a27ad0b | bellard | |
940 | 3a27ad0b | bellard | #undef __syscall_return
|
941 | 3a27ad0b | bellard | #define __syscall_return(type, res) \
|
942 | 3a27ad0b | bellard | do { \
|
943 | 3a27ad0b | bellard | return (type) (res); \
|
944 | 3a27ad0b | bellard | } while (0) |
945 | 3a27ad0b | bellard | |
946 | 3a27ad0b | bellard | _syscall2(int, vm86, int, func, struct vm86plus_struct *, v86) |
947 | 3a27ad0b | bellard | |
948 | 3a27ad0b | bellard | extern char vm86_code_start; |
949 | 3a27ad0b | bellard | extern char vm86_code_end; |
950 | 3a27ad0b | bellard | |
951 | 3a27ad0b | bellard | #define VM86_CODE_CS 0x100 |
952 | 3a27ad0b | bellard | #define VM86_CODE_IP 0x100 |
953 | 3a27ad0b | bellard | |
954 | 3a27ad0b | bellard | void test_vm86(void) |
955 | 3a27ad0b | bellard | { |
956 | 3a27ad0b | bellard | struct vm86plus_struct ctx;
|
957 | 3a27ad0b | bellard | struct vm86_regs *r;
|
958 | 3a27ad0b | bellard | uint8_t *vm86_mem; |
959 | 3a27ad0b | bellard | int seg, ret;
|
960 | 3a27ad0b | bellard | |
961 | 3a27ad0b | bellard | vm86_mem = mmap((void *)0x00000000, 0x110000, |
962 | 3a27ad0b | bellard | PROT_WRITE | PROT_READ | PROT_EXEC, |
963 | 3a27ad0b | bellard | MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0); |
964 | 3a27ad0b | bellard | if (vm86_mem == MAP_FAILED) {
|
965 | 3a27ad0b | bellard | printf("ERROR: could not map vm86 memory");
|
966 | 3a27ad0b | bellard | return;
|
967 | 3a27ad0b | bellard | } |
968 | 3a27ad0b | bellard | memset(&ctx, 0, sizeof(ctx)); |
969 | 3a27ad0b | bellard | |
970 | 3a27ad0b | bellard | /* init basic registers */
|
971 | 3a27ad0b | bellard | r = &ctx.regs; |
972 | 3a27ad0b | bellard | r->eip = VM86_CODE_IP; |
973 | 3a27ad0b | bellard | r->esp = 0xfffe;
|
974 | 3a27ad0b | bellard | seg = VM86_CODE_CS; |
975 | 3a27ad0b | bellard | r->cs = seg; |
976 | 3a27ad0b | bellard | r->ss = seg; |
977 | 3a27ad0b | bellard | r->ds = seg; |
978 | 3a27ad0b | bellard | r->es = seg; |
979 | 3a27ad0b | bellard | r->fs = seg; |
980 | 3a27ad0b | bellard | r->gs = seg; |
981 | 3a27ad0b | bellard | r->eflags = VIF_MASK; |
982 | 3a27ad0b | bellard | |
983 | 3a27ad0b | bellard | /* move code to proper address. We use the same layout as a .com
|
984 | 3a27ad0b | bellard | dos program. */
|
985 | 3a27ad0b | bellard | memcpy(vm86_mem + (VM86_CODE_CS << 4) + VM86_CODE_IP,
|
986 | 3a27ad0b | bellard | &vm86_code_start, &vm86_code_end - &vm86_code_start); |
987 | 3a27ad0b | bellard | |
988 | 3a27ad0b | bellard | /* mark int 0x21 as being emulated */
|
989 | 3a27ad0b | bellard | set_bit((uint8_t *)&ctx.int_revectored, 0x21);
|
990 | 3a27ad0b | bellard | |
991 | 3a27ad0b | bellard | for(;;) {
|
992 | 3a27ad0b | bellard | ret = vm86(VM86_ENTER, &ctx); |
993 | 3a27ad0b | bellard | switch(VM86_TYPE(ret)) {
|
994 | 3a27ad0b | bellard | case VM86_INTx:
|
995 | 3a27ad0b | bellard | { |
996 | 3a27ad0b | bellard | int int_num, ah;
|
997 | 3a27ad0b | bellard | |
998 | 3a27ad0b | bellard | int_num = VM86_ARG(ret); |
999 | 3a27ad0b | bellard | if (int_num != 0x21) |
1000 | 3a27ad0b | bellard | goto unknown_int;
|
1001 | 3a27ad0b | bellard | ah = (r->eax >> 8) & 0xff; |
1002 | 3a27ad0b | bellard | switch(ah) {
|
1003 | 3a27ad0b | bellard | case 0x00: /* exit */ |
1004 | 3a27ad0b | bellard | goto the_end;
|
1005 | 3a27ad0b | bellard | case 0x02: /* write char */ |
1006 | 3a27ad0b | bellard | { |
1007 | 3a27ad0b | bellard | uint8_t c = r->edx; |
1008 | 3a27ad0b | bellard | putchar(c); |
1009 | 3a27ad0b | bellard | } |
1010 | 3a27ad0b | bellard | break;
|
1011 | 3a27ad0b | bellard | case 0x09: /* write string */ |
1012 | 3a27ad0b | bellard | { |
1013 | 3a27ad0b | bellard | uint8_t c, *ptr; |
1014 | 3a27ad0b | bellard | ptr = seg_to_linear(r->ds, r->edx); |
1015 | 3a27ad0b | bellard | for(;;) {
|
1016 | 3a27ad0b | bellard | c = *ptr++; |
1017 | 3a27ad0b | bellard | if (c == '$') |
1018 | 3a27ad0b | bellard | break;
|
1019 | 3a27ad0b | bellard | putchar(c); |
1020 | 3a27ad0b | bellard | } |
1021 | 3a27ad0b | bellard | r->eax = (r->eax & ~0xff) | '$'; |
1022 | 3a27ad0b | bellard | } |
1023 | 3a27ad0b | bellard | break;
|
1024 | 3a27ad0b | bellard | case 0xff: /* extension: write hex number in edx */ |
1025 | 3a27ad0b | bellard | printf("%08x\n", (int)r->edx); |
1026 | 3a27ad0b | bellard | break;
|
1027 | 3a27ad0b | bellard | default:
|
1028 | 3a27ad0b | bellard | unknown_int:
|
1029 | 3a27ad0b | bellard | printf("unsupported int 0x%02x\n", int_num);
|
1030 | 3a27ad0b | bellard | goto the_end;
|
1031 | 3a27ad0b | bellard | } |
1032 | 3a27ad0b | bellard | } |
1033 | 3a27ad0b | bellard | break;
|
1034 | 3a27ad0b | bellard | case VM86_SIGNAL:
|
1035 | 3a27ad0b | bellard | /* a signal came, we just ignore that */
|
1036 | 3a27ad0b | bellard | break;
|
1037 | 3a27ad0b | bellard | case VM86_STI:
|
1038 | 3a27ad0b | bellard | break;
|
1039 | 3a27ad0b | bellard | default:
|
1040 | 3a27ad0b | bellard | printf("ERROR: unhandled vm86 return code (0x%x)\n", ret);
|
1041 | 3a27ad0b | bellard | goto the_end;
|
1042 | 3a27ad0b | bellard | } |
1043 | 3a27ad0b | bellard | } |
1044 | 3a27ad0b | bellard | the_end:
|
1045 | 3a27ad0b | bellard | printf("VM86 end\n");
|
1046 | 3a27ad0b | bellard | munmap(vm86_mem, 0x110000);
|
1047 | 3a27ad0b | bellard | } |
1048 | 3a27ad0b | bellard | |
1049 | 3a27ad0b | bellard | /* exception tests */
|
1050 | 3a27ad0b | bellard | #ifndef REG_EAX
|
1051 | 3a27ad0b | bellard | #define REG_EAX EAX
|
1052 | 3a27ad0b | bellard | #define REG_EBX EBX
|
1053 | 3a27ad0b | bellard | #define REG_ECX ECX
|
1054 | 3a27ad0b | bellard | #define REG_EDX EDX
|
1055 | 3a27ad0b | bellard | #define REG_ESI ESI
|
1056 | 3a27ad0b | bellard | #define REG_EDI EDI
|
1057 | 3a27ad0b | bellard | #define REG_EBP EBP
|
1058 | 3a27ad0b | bellard | #define REG_ESP ESP
|
1059 | 3a27ad0b | bellard | #define REG_EIP EIP
|
1060 | 3a27ad0b | bellard | #define REG_EFL EFL
|
1061 | 3a27ad0b | bellard | #define REG_TRAPNO TRAPNO
|
1062 | 3a27ad0b | bellard | #define REG_ERR ERR
|
1063 | 3a27ad0b | bellard | #endif
|
1064 | 3a27ad0b | bellard | |
1065 | 3a27ad0b | bellard | jmp_buf jmp_env; |
1066 | 3a27ad0b | bellard | int v1;
|
1067 | 3a27ad0b | bellard | int tab[2]; |
1068 | 3a27ad0b | bellard | |
1069 | 3a27ad0b | bellard | void sig_handler(int sig, siginfo_t *info, void *puc) |
1070 | 3a27ad0b | bellard | { |
1071 | 3a27ad0b | bellard | struct ucontext *uc = puc;
|
1072 | 3a27ad0b | bellard | |
1073 | 3a27ad0b | bellard | printf("si_signo=%d si_errno=%d si_code=%d",
|
1074 | 3a27ad0b | bellard | info->si_signo, info->si_errno, info->si_code); |
1075 | e3b32540 | bellard | printf(" si_addr=0x%08lx",
|
1076 | e3b32540 | bellard | (unsigned long)info->si_addr); |
1077 | 3a27ad0b | bellard | printf("\n");
|
1078 | 3a27ad0b | bellard | |
1079 | 3a27ad0b | bellard | printf("trapno=0x%02x err=0x%08x",
|
1080 | 3a27ad0b | bellard | uc->uc_mcontext.gregs[REG_TRAPNO], |
1081 | 3a27ad0b | bellard | uc->uc_mcontext.gregs[REG_ERR]); |
1082 | e3b32540 | bellard | printf(" EIP=0x%08x", uc->uc_mcontext.gregs[REG_EIP]);
|
1083 | 3a27ad0b | bellard | printf("\n");
|
1084 | 3a27ad0b | bellard | longjmp(jmp_env, 1);
|
1085 | 3a27ad0b | bellard | } |
1086 | 3a27ad0b | bellard | |
1087 | 3a27ad0b | bellard | void test_exceptions(void) |
1088 | 3a27ad0b | bellard | { |
1089 | e3b32540 | bellard | struct modify_ldt_ldt_s ldt;
|
1090 | 3a27ad0b | bellard | struct sigaction act;
|
1091 | 3a27ad0b | bellard | volatile int val; |
1092 | 3a27ad0b | bellard | |
1093 | 3a27ad0b | bellard | act.sa_sigaction = sig_handler; |
1094 | 3a27ad0b | bellard | sigemptyset(&act.sa_mask); |
1095 | 3a27ad0b | bellard | act.sa_flags = SA_SIGINFO; |
1096 | 3a27ad0b | bellard | sigaction(SIGFPE, &act, NULL);
|
1097 | 3a27ad0b | bellard | sigaction(SIGILL, &act, NULL);
|
1098 | 3a27ad0b | bellard | sigaction(SIGSEGV, &act, NULL);
|
1099 | e3b32540 | bellard | sigaction(SIGBUS, &act, NULL);
|
1100 | 3a27ad0b | bellard | sigaction(SIGTRAP, &act, NULL);
|
1101 | 3a27ad0b | bellard | |
1102 | 3a27ad0b | bellard | /* test division by zero reporting */
|
1103 | e3b32540 | bellard | printf("DIVZ exception:\n");
|
1104 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1105 | 3a27ad0b | bellard | /* now divide by zero */
|
1106 | 3a27ad0b | bellard | v1 = 0;
|
1107 | 3a27ad0b | bellard | v1 = 2 / v1;
|
1108 | 3a27ad0b | bellard | } |
1109 | 3a27ad0b | bellard | |
1110 | e3b32540 | bellard | printf("BOUND exception:\n");
|
1111 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1112 | 3a27ad0b | bellard | /* bound exception */
|
1113 | 3a27ad0b | bellard | tab[0] = 1; |
1114 | 3a27ad0b | bellard | tab[1] = 10; |
1115 | 3a27ad0b | bellard | asm volatile ("bound %0, %1" : : "r" (11), "m" (tab)); |
1116 | 3a27ad0b | bellard | } |
1117 | 3a27ad0b | bellard | |
1118 | e3b32540 | bellard | printf("segment exceptions:\n");
|
1119 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
1120 | e3b32540 | bellard | /* load an invalid segment */
|
1121 | e3b32540 | bellard | asm volatile ("movl %0, %%fs" : : "r" ((0x1234 << 3) | 1)); |
1122 | e3b32540 | bellard | } |
1123 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
1124 | e3b32540 | bellard | /* null data segment is valid */
|
1125 | e3b32540 | bellard | asm volatile ("movl %0, %%fs" : : "r" (3)); |
1126 | e3b32540 | bellard | /* null stack segment */
|
1127 | e3b32540 | bellard | asm volatile ("movl %0, %%ss" : : "r" (3)); |
1128 | e3b32540 | bellard | } |
1129 | e3b32540 | bellard | |
1130 | e3b32540 | bellard | ldt.entry_number = 1;
|
1131 | e3b32540 | bellard | ldt.base_addr = (unsigned long)&seg_data1; |
1132 | e3b32540 | bellard | ldt.limit = (sizeof(seg_data1) + 0xfff) >> 12; |
1133 | e3b32540 | bellard | ldt.seg_32bit = 1;
|
1134 | e3b32540 | bellard | ldt.contents = MODIFY_LDT_CONTENTS_DATA; |
1135 | e3b32540 | bellard | ldt.read_exec_only = 0;
|
1136 | e3b32540 | bellard | ldt.limit_in_pages = 1;
|
1137 | e3b32540 | bellard | ldt.seg_not_present = 1;
|
1138 | e3b32540 | bellard | ldt.useable = 1;
|
1139 | e3b32540 | bellard | modify_ldt(1, &ldt, sizeof(ldt)); /* write ldt entry */ |
1140 | e3b32540 | bellard | |
1141 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
1142 | e3b32540 | bellard | /* segment not present */
|
1143 | e3b32540 | bellard | asm volatile ("movl %0, %%fs" : : "r" (MK_SEL(1))); |
1144 | e3b32540 | bellard | } |
1145 | e3b32540 | bellard | |
1146 | 3a27ad0b | bellard | /* test SEGV reporting */
|
1147 | e3b32540 | bellard | printf("PF exception:\n");
|
1148 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1149 | e3b32540 | bellard | val = 1;
|
1150 | 3a27ad0b | bellard | /* now store in an invalid address */
|
1151 | 3a27ad0b | bellard | *(char *)0x1234 = 1; |
1152 | 3a27ad0b | bellard | } |
1153 | 3a27ad0b | bellard | |
1154 | 3a27ad0b | bellard | /* test SEGV reporting */
|
1155 | e3b32540 | bellard | printf("PF exception:\n");
|
1156 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1157 | e3b32540 | bellard | val = 1;
|
1158 | 3a27ad0b | bellard | /* read from an invalid address */
|
1159 | 3a27ad0b | bellard | v1 = *(char *)0x1234; |
1160 | 3a27ad0b | bellard | } |
1161 | 3a27ad0b | bellard | |
1162 | 3a27ad0b | bellard | /* test illegal instruction reporting */
|
1163 | 3a27ad0b | bellard | printf("UD2 exception:\n");
|
1164 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1165 | 3a27ad0b | bellard | /* now execute an invalid instruction */
|
1166 | 3a27ad0b | bellard | asm volatile("ud2"); |
1167 | 3a27ad0b | bellard | } |
1168 | 3a27ad0b | bellard | |
1169 | 3a27ad0b | bellard | printf("INT exception:\n");
|
1170 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1171 | 3a27ad0b | bellard | asm volatile ("int $0xfd"); |
1172 | 3a27ad0b | bellard | } |
1173 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
1174 | e3b32540 | bellard | asm volatile ("int $0x01"); |
1175 | e3b32540 | bellard | } |
1176 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
1177 | e3b32540 | bellard | asm volatile (".byte 0xcd, 0x03"); |
1178 | e3b32540 | bellard | } |
1179 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
1180 | e3b32540 | bellard | asm volatile ("int $0x04"); |
1181 | e3b32540 | bellard | } |
1182 | e3b32540 | bellard | if (setjmp(jmp_env) == 0) { |
1183 | e3b32540 | bellard | asm volatile ("int $0x05"); |
1184 | e3b32540 | bellard | } |
1185 | 3a27ad0b | bellard | |
1186 | 3a27ad0b | bellard | printf("INT3 exception:\n");
|
1187 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1188 | 3a27ad0b | bellard | asm volatile ("int3"); |
1189 | 3a27ad0b | bellard | } |
1190 | 3a27ad0b | bellard | |
1191 | 3a27ad0b | bellard | printf("CLI exception:\n");
|
1192 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1193 | 3a27ad0b | bellard | asm volatile ("cli"); |
1194 | 3a27ad0b | bellard | } |
1195 | 3a27ad0b | bellard | |
1196 | 3a27ad0b | bellard | printf("STI exception:\n");
|
1197 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1198 | 3a27ad0b | bellard | asm volatile ("cli"); |
1199 | 3a27ad0b | bellard | } |
1200 | 3a27ad0b | bellard | |
1201 | 3a27ad0b | bellard | printf("INTO exception:\n");
|
1202 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1203 | 3a27ad0b | bellard | /* overflow exception */
|
1204 | 3a27ad0b | bellard | asm volatile ("addl $1, %0 ; into" : : "r" (0x7fffffff)); |
1205 | 3a27ad0b | bellard | } |
1206 | 3a27ad0b | bellard | |
1207 | 3a27ad0b | bellard | printf("OUTB exception:\n");
|
1208 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1209 | 3a27ad0b | bellard | asm volatile ("outb %%al, %%dx" : : "d" (0x4321), "a" (0)); |
1210 | 3a27ad0b | bellard | } |
1211 | 3a27ad0b | bellard | |
1212 | 3a27ad0b | bellard | printf("INB exception:\n");
|
1213 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1214 | 3a27ad0b | bellard | asm volatile ("inb %%dx, %%al" : "=a" (val) : "d" (0x4321)); |
1215 | 3a27ad0b | bellard | } |
1216 | 3a27ad0b | bellard | |
1217 | 3a27ad0b | bellard | printf("REP OUTSB exception:\n");
|
1218 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1219 | 3a27ad0b | bellard | asm volatile ("rep outsb" : : "d" (0x4321), "S" (tab), "c" (1)); |
1220 | 3a27ad0b | bellard | } |
1221 | 3a27ad0b | bellard | |
1222 | 3a27ad0b | bellard | printf("REP INSB exception:\n");
|
1223 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1224 | 3a27ad0b | bellard | asm volatile ("rep insb" : : "d" (0x4321), "D" (tab), "c" (1)); |
1225 | 3a27ad0b | bellard | } |
1226 | 3a27ad0b | bellard | |
1227 | 3a27ad0b | bellard | printf("HLT exception:\n");
|
1228 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1229 | 3a27ad0b | bellard | asm volatile ("hlt"); |
1230 | 3a27ad0b | bellard | } |
1231 | 3a27ad0b | bellard | |
1232 | 3a27ad0b | bellard | printf("single step exception:\n");
|
1233 | 3a27ad0b | bellard | val = 0;
|
1234 | 3a27ad0b | bellard | if (setjmp(jmp_env) == 0) { |
1235 | 3a27ad0b | bellard | asm volatile ("pushf\n" |
1236 | 3a27ad0b | bellard | "orl $0x00100, (%%esp)\n"
|
1237 | 3a27ad0b | bellard | "popf\n"
|
1238 | 3a27ad0b | bellard | "movl $0xabcd, %0\n"
|
1239 | 3a27ad0b | bellard | "movl $0x0, %0\n" : "=m" (val) : : "cc", "memory"); |
1240 | 3a27ad0b | bellard | } |
1241 | 3a27ad0b | bellard | printf("val=0x%x\n", val);
|
1242 | 3a27ad0b | bellard | } |
1243 | 3a27ad0b | bellard | |
1244 | 3a27ad0b | bellard | /* self modifying code test */
|
1245 | 3a27ad0b | bellard | uint8_t code[] = { |
1246 | 3a27ad0b | bellard | 0xb8, 0x1, 0x00, 0x00, 0x00, /* movl $1, %eax */ |
1247 | 3a27ad0b | bellard | 0xc3, /* ret */ |
1248 | 3a27ad0b | bellard | }; |
1249 | 3a27ad0b | bellard | |
1250 | d1fe2b24 | bellard | typedef int FuncType(void); |
1251 | d1fe2b24 | bellard | |
1252 | 3a27ad0b | bellard | void test_self_modifying_code(void) |
1253 | 3a27ad0b | bellard | { |
1254 | d1fe2b24 | bellard | int i;
|
1255 | 3a27ad0b | bellard | |
1256 | 3a27ad0b | bellard | printf("self modifying code:\n");
|
1257 | d1fe2b24 | bellard | printf("func1 = 0x%x\n", ((FuncType *)code)());
|
1258 | d1fe2b24 | bellard | for(i = 2; i <= 4; i++) { |
1259 | d1fe2b24 | bellard | code[1] = i;
|
1260 | d1fe2b24 | bellard | printf("func%d = 0x%x\n", i, ((FuncType *)code)());
|
1261 | d1fe2b24 | bellard | } |
1262 | 3a27ad0b | bellard | } |
1263 | 3a27ad0b | bellard | |
1264 | 4d1135e4 | bellard | static void *call_end __init_call = NULL; |
1265 | 4d1135e4 | bellard | |
1266 | 4d1135e4 | bellard | int main(int argc, char **argv) |
1267 | 4d1135e4 | bellard | { |
1268 | 4d1135e4 | bellard | void **ptr;
|
1269 | 4d1135e4 | bellard | void (*func)(void); |
1270 | 4b74fe1f | bellard | |
1271 | 4d1135e4 | bellard | ptr = &call_start + 1;
|
1272 | 4d1135e4 | bellard | while (*ptr != NULL) { |
1273 | 4d1135e4 | bellard | func = *ptr++; |
1274 | 4d1135e4 | bellard | func(); |
1275 | 4d1135e4 | bellard | } |
1276 | 9d8e9c09 | bellard | test_bsx(); |
1277 | d57c4e01 | bellard | test_mul(); |
1278 | 4d1135e4 | bellard | test_jcc(); |
1279 | 9d8e9c09 | bellard | test_floats(); |
1280 | 55480af8 | bellard | test_bcd(); |
1281 | 1a9353d2 | bellard | test_xchg(); |
1282 | e1d4294a | bellard | test_string(); |
1283 | e1d4294a | bellard | test_misc(); |
1284 | 6dbad63e | bellard | test_lea(); |
1285 | 6dbad63e | bellard | test_segs(); |
1286 | e5918247 | bellard | test_code16(); |
1287 | 3a27ad0b | bellard | test_vm86(); |
1288 | 3a27ad0b | bellard | test_exceptions(); |
1289 | 3a27ad0b | bellard | test_self_modifying_code(); |
1290 | 4d1135e4 | bellard | return 0; |
1291 | 4d1135e4 | bellard | } |