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1 | 2c0262af | bellard | /*
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2 | eaa728ee | bellard | * i386 helpers (without register variable usage)
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3 | 5fafdf24 | ths | *
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4 | 2c0262af | bellard | * Copyright (c) 2003 Fabrice Bellard
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5 | 2c0262af | bellard | *
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6 | 2c0262af | bellard | * This library is free software; you can redistribute it and/or
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7 | 2c0262af | bellard | * modify it under the terms of the GNU Lesser General Public
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8 | 2c0262af | bellard | * License as published by the Free Software Foundation; either
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9 | 2c0262af | bellard | * version 2 of the License, or (at your option) any later version.
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10 | 2c0262af | bellard | *
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11 | 2c0262af | bellard | * This library is distributed in the hope that it will be useful,
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12 | 2c0262af | bellard | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 2c0262af | bellard | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 2c0262af | bellard | * Lesser General Public License for more details.
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15 | 2c0262af | bellard | *
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16 | 2c0262af | bellard | * You should have received a copy of the GNU Lesser General Public
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17 | 8167ee88 | Blue Swirl | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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18 | 2c0262af | bellard | */
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19 | eaa728ee | bellard | #include <stdarg.h> |
20 | eaa728ee | bellard | #include <stdlib.h> |
21 | eaa728ee | bellard | #include <stdio.h> |
22 | eaa728ee | bellard | #include <string.h> |
23 | eaa728ee | bellard | #include <inttypes.h> |
24 | eaa728ee | bellard | #include <signal.h> |
25 | 2c0262af | bellard | |
26 | eaa728ee | bellard | #include "cpu.h" |
27 | eaa728ee | bellard | #include "exec-all.h" |
28 | eaa728ee | bellard | #include "qemu-common.h" |
29 | 7ba1e619 | aliguori | #include "kvm.h" |
30 | f3f2d9be | bellard | |
31 | eaa728ee | bellard | //#define DEBUG_MMU
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32 | 2c0262af | bellard | |
33 | c6fa82c4 | Avi Kivity | /* feature flags taken from "Intel Processor Identification and the CPUID
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34 | c6fa82c4 | Avi Kivity | * Instruction" and AMD's "CPUID Specification". In cases of disagreement
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35 | c6fa82c4 | Avi Kivity | * about feature names, the Linux name is used. */
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36 | c6fa82c4 | Avi Kivity | static const char *feature_name[] = { |
37 | c6fa82c4 | Avi Kivity | "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", |
38 | c6fa82c4 | Avi Kivity | "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov", |
39 | c6fa82c4 | Avi Kivity | "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */, NULL, "ds" /* Intel dts */, "acpi", "mmx", |
40 | c6fa82c4 | Avi Kivity | "fxsr", "sse", "sse2", "ss", "ht" /* Intel htt */, "tm", "ia64", "pbe", |
41 | c6fa82c4 | Avi Kivity | }; |
42 | c6fa82c4 | Avi Kivity | static const char *ext_feature_name[] = { |
43 | c6fa82c4 | Avi Kivity | "pni" /* Intel,AMD sse3 */, NULL, NULL, "monitor", "ds_cpl", "vmx", NULL /* Linux smx */, "est", |
44 | c6fa82c4 | Avi Kivity | "tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL, |
45 | c6fa82c4 | Avi Kivity | NULL, NULL, "dca", NULL, NULL, NULL, NULL, "popcnt", |
46 | 6d2edc43 | Andre Przywara | NULL, NULL, NULL, NULL, NULL, NULL, NULL, "hypervisor", |
47 | c6fa82c4 | Avi Kivity | }; |
48 | c6fa82c4 | Avi Kivity | static const char *ext2_feature_name[] = { |
49 | c6fa82c4 | Avi Kivity | "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", |
50 | c6fa82c4 | Avi Kivity | "cx8" /* AMD CMPXCHG8B */, "apic", NULL, "syscall", "mtrr", "pge", "mca", "cmov", |
51 | c6fa82c4 | Avi Kivity | "pat", "pse36", NULL, NULL /* Linux mp */, "nx" /* Intel xd */, NULL, "mmxext", "mmx", |
52 | c6fa82c4 | Avi Kivity | "fxsr", "fxsr_opt" /* AMD ffxsr */, "pdpe1gb" /* AMD Page1GB */, "rdtscp", NULL, "lm" /* Intel 64 */, "3dnowext", "3dnow", |
53 | c6fa82c4 | Avi Kivity | }; |
54 | c6fa82c4 | Avi Kivity | static const char *ext3_feature_name[] = { |
55 | c6fa82c4 | Avi Kivity | "lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */, "cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse", |
56 | c6fa82c4 | Avi Kivity | "3dnowprefetch", "osvw", NULL /* Linux ibs */, NULL, "skinit", "wdt", NULL, NULL, |
57 | c6fa82c4 | Avi Kivity | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
58 | c6fa82c4 | Avi Kivity | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
59 | c6fa82c4 | Avi Kivity | }; |
60 | c6fa82c4 | Avi Kivity | |
61 | bb0300dc | Gleb Natapov | static const char *kvm_feature_name[] = { |
62 | bb0300dc | Gleb Natapov | "kvmclock", "kvm_nopiodelay", "kvm_mmu", NULL, NULL, NULL, NULL, NULL, |
63 | bb0300dc | Gleb Natapov | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
64 | bb0300dc | Gleb Natapov | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
65 | bb0300dc | Gleb Natapov | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
66 | bb0300dc | Gleb Natapov | }; |
67 | bb0300dc | Gleb Natapov | |
68 | 6d2edc43 | Andre Przywara | static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features, |
69 | 6d2edc43 | Andre Przywara | uint32_t *ext_features, |
70 | 6d2edc43 | Andre Przywara | uint32_t *ext2_features, |
71 | bb0300dc | Gleb Natapov | uint32_t *ext3_features, |
72 | bb0300dc | Gleb Natapov | uint32_t *kvm_features) |
73 | eaa728ee | bellard | { |
74 | eaa728ee | bellard | int i;
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75 | 02b049df | Avi Kivity | int found = 0; |
76 | eaa728ee | bellard | |
77 | 6d2edc43 | Andre Przywara | for ( i = 0 ; i < 32 ; i++ ) |
78 | eaa728ee | bellard | if (feature_name[i] && !strcmp (flagname, feature_name[i])) {
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79 | eaa728ee | bellard | *features |= 1 << i;
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80 | 02b049df | Avi Kivity | found = 1;
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81 | eaa728ee | bellard | } |
82 | 6d2edc43 | Andre Przywara | for ( i = 0 ; i < 32 ; i++ ) |
83 | eaa728ee | bellard | if (ext_feature_name[i] && !strcmp (flagname, ext_feature_name[i])) {
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84 | eaa728ee | bellard | *ext_features |= 1 << i;
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85 | 02b049df | Avi Kivity | found = 1;
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86 | eaa728ee | bellard | } |
87 | 6d2edc43 | Andre Przywara | for ( i = 0 ; i < 32 ; i++ ) |
88 | eaa728ee | bellard | if (ext2_feature_name[i] && !strcmp (flagname, ext2_feature_name[i])) {
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89 | eaa728ee | bellard | *ext2_features |= 1 << i;
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90 | 02b049df | Avi Kivity | found = 1;
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91 | eaa728ee | bellard | } |
92 | 6d2edc43 | Andre Przywara | for ( i = 0 ; i < 32 ; i++ ) |
93 | eaa728ee | bellard | if (ext3_feature_name[i] && !strcmp (flagname, ext3_feature_name[i])) {
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94 | eaa728ee | bellard | *ext3_features |= 1 << i;
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95 | 02b049df | Avi Kivity | found = 1;
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96 | eaa728ee | bellard | } |
97 | bb0300dc | Gleb Natapov | for ( i = 0 ; i < 32 ; i++ ) |
98 | bb0300dc | Gleb Natapov | if (kvm_feature_name[i] && !strcmp (flagname, kvm_feature_name[i])) {
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99 | bb0300dc | Gleb Natapov | *kvm_features |= 1 << i;
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100 | bb0300dc | Gleb Natapov | found = 1;
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101 | bb0300dc | Gleb Natapov | } |
102 | bb0300dc | Gleb Natapov | |
103 | 02b049df | Avi Kivity | if (!found) {
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104 | 02b049df | Avi Kivity | fprintf(stderr, "CPU feature %s not found\n", flagname);
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105 | 02b049df | Avi Kivity | } |
106 | eaa728ee | bellard | } |
107 | 2c0262af | bellard | |
108 | c227f099 | Anthony Liguori | typedef struct x86_def_t { |
109 | eaa728ee | bellard | const char *name; |
110 | eaa728ee | bellard | uint32_t level; |
111 | eaa728ee | bellard | uint32_t vendor1, vendor2, vendor3; |
112 | eaa728ee | bellard | int family;
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113 | eaa728ee | bellard | int model;
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114 | eaa728ee | bellard | int stepping;
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115 | bb0300dc | Gleb Natapov | uint32_t features, ext_features, ext2_features, ext3_features, kvm_features; |
116 | eaa728ee | bellard | uint32_t xlevel; |
117 | 40f8e2fa | bellard | char model_id[48]; |
118 | ef768138 | Andre Przywara | int vendor_override;
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119 | c227f099 | Anthony Liguori | } x86_def_t; |
120 | eaa728ee | bellard | |
121 | eaa728ee | bellard | #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
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122 | eaa728ee | bellard | #define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
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123 | c84bd4f1 | Gleb Natapov | CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC) |
124 | eaa728ee | bellard | #define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
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125 | eaa728ee | bellard | CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \ |
126 | eaa728ee | bellard | CPUID_PSE36 | CPUID_FXSR) |
127 | eaa728ee | bellard | #define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
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128 | eaa728ee | bellard | #define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
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129 | eaa728ee | bellard | CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \ |
130 | eaa728ee | bellard | CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \ |
131 | eaa728ee | bellard | CPUID_PAE | CPUID_SEP | CPUID_APIC) |
132 | c227f099 | Anthony Liguori | static x86_def_t x86_defs[] = {
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133 | eaa728ee | bellard | #ifdef TARGET_X86_64
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134 | eaa728ee | bellard | { |
135 | eaa728ee | bellard | .name = "qemu64",
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136 | ac72472b | Andre Przywara | .level = 4,
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137 | c5096daf | balrog | .vendor1 = CPUID_VENDOR_AMD_1, |
138 | c5096daf | balrog | .vendor2 = CPUID_VENDOR_AMD_2, |
139 | c5096daf | balrog | .vendor3 = CPUID_VENDOR_AMD_3, |
140 | eaa728ee | bellard | .family = 6,
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141 | eaa728ee | bellard | .model = 2,
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142 | eaa728ee | bellard | .stepping = 3,
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143 | eaa728ee | bellard | .features = PPRO_FEATURES | |
144 | eaa728ee | bellard | /* these features are needed for Win64 and aren't fully implemented */
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145 | eaa728ee | bellard | CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | |
146 | eaa728ee | bellard | /* this feature is needed for Solaris and isn't fully implemented */
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147 | eaa728ee | bellard | CPUID_PSE36, |
148 | f1e00a9c | Andre Przywara | .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT, |
149 | eaa728ee | bellard | .ext2_features = (PPRO_FEATURES & 0x0183F3FF) |
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150 | 09ac35ac | Andre Przywara | CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, |
151 | f1e00a9c | Andre Przywara | .ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | |
152 | f1e00a9c | Andre Przywara | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A, |
153 | eaa728ee | bellard | .xlevel = 0x8000000A,
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154 | 40f8e2fa | bellard | .model_id = "QEMU Virtual CPU version " QEMU_VERSION,
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155 | eaa728ee | bellard | }, |
156 | e737b32a | balrog | { |
157 | 9bdba1b6 | aliguori | .name = "phenom",
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158 | 9bdba1b6 | aliguori | .level = 5,
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159 | 9bdba1b6 | aliguori | .vendor1 = CPUID_VENDOR_AMD_1, |
160 | 9bdba1b6 | aliguori | .vendor2 = CPUID_VENDOR_AMD_2, |
161 | 9bdba1b6 | aliguori | .vendor3 = CPUID_VENDOR_AMD_3, |
162 | 9bdba1b6 | aliguori | .family = 16,
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163 | 9bdba1b6 | aliguori | .model = 2,
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164 | 9bdba1b6 | aliguori | .stepping = 3,
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165 | 9bdba1b6 | aliguori | /* Missing: CPUID_VME, CPUID_HT */
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166 | 9bdba1b6 | aliguori | .features = PPRO_FEATURES | |
167 | 9bdba1b6 | aliguori | CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | |
168 | 9bdba1b6 | aliguori | CPUID_PSE36, |
169 | f1e00a9c | Andre Przywara | .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 | |
170 | f1e00a9c | Andre Przywara | CPUID_EXT_POPCNT, |
171 | 9bdba1b6 | aliguori | /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
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172 | 9bdba1b6 | aliguori | .ext2_features = (PPRO_FEATURES & 0x0183F3FF) |
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173 | 9bdba1b6 | aliguori | CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX | |
174 | 9bdba1b6 | aliguori | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT | |
175 | 9bdba1b6 | aliguori | CPUID_EXT2_FFXSR, |
176 | f1e00a9c | Andre Przywara | /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
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177 | f1e00a9c | Andre Przywara | CPUID_EXT3_CR8LEG,
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178 | 9bdba1b6 | aliguori | CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
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179 | 9bdba1b6 | aliguori | CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
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180 | f1e00a9c | Andre Przywara | .ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | |
181 | f1e00a9c | Andre Przywara | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A, |
182 | 9bdba1b6 | aliguori | .xlevel = 0x8000001A,
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183 | 9bdba1b6 | aliguori | .model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
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184 | 9bdba1b6 | aliguori | }, |
185 | 9bdba1b6 | aliguori | { |
186 | e737b32a | balrog | .name = "core2duo",
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187 | 558fa836 | pbrook | .level = 10,
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188 | e737b32a | balrog | .family = 6,
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189 | e737b32a | balrog | .model = 15,
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190 | e737b32a | balrog | .stepping = 11,
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191 | 558fa836 | pbrook | /* The original CPU also implements these features:
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192 | 558fa836 | pbrook | CPUID_VME, CPUID_DTS, CPUID_ACPI, CPUID_SS, CPUID_HT,
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193 | 558fa836 | pbrook | CPUID_TM, CPUID_PBE */
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194 | 0086de1c | balrog | .features = PPRO_FEATURES | |
195 | e737b32a | balrog | CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | |
196 | e737b32a | balrog | CPUID_PSE36, |
197 | 558fa836 | pbrook | /* The original CPU also implements these ext features:
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198 | 558fa836 | pbrook | CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_EST,
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199 | 558fa836 | pbrook | CPUID_EXT_TM2, CPUID_EXT_CX16, CPUID_EXT_XTPR, CPUID_EXT_PDCM */
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200 | 0086de1c | balrog | .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3, |
201 | 558fa836 | pbrook | .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, |
202 | f1e00a9c | Andre Przywara | .ext3_features = CPUID_EXT3_LAHF_LM, |
203 | 45fd08ef | aurel32 | .xlevel = 0x80000008,
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204 | e737b32a | balrog | .model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
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205 | e737b32a | balrog | }, |
206 | d1cd4bf4 | Andre Przywara | { |
207 | d1cd4bf4 | Andre Przywara | .name = "kvm64",
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208 | d1cd4bf4 | Andre Przywara | .level = 5,
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209 | d1cd4bf4 | Andre Przywara | .vendor1 = CPUID_VENDOR_INTEL_1, |
210 | d1cd4bf4 | Andre Przywara | .vendor2 = CPUID_VENDOR_INTEL_2, |
211 | d1cd4bf4 | Andre Przywara | .vendor3 = CPUID_VENDOR_INTEL_3, |
212 | d1cd4bf4 | Andre Przywara | .family = 15,
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213 | d1cd4bf4 | Andre Przywara | .model = 6,
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214 | d1cd4bf4 | Andre Przywara | .stepping = 1,
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215 | d1cd4bf4 | Andre Przywara | /* Missing: CPUID_VME, CPUID_HT */
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216 | d1cd4bf4 | Andre Przywara | .features = PPRO_FEATURES | |
217 | d1cd4bf4 | Andre Przywara | CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | |
218 | d1cd4bf4 | Andre Przywara | CPUID_PSE36, |
219 | d1cd4bf4 | Andre Przywara | /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
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220 | d1cd4bf4 | Andre Przywara | .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16, |
221 | d1cd4bf4 | Andre Przywara | /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
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222 | d1cd4bf4 | Andre Przywara | .ext2_features = (PPRO_FEATURES & 0x0183F3FF) |
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223 | d1cd4bf4 | Andre Przywara | CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, |
224 | d1cd4bf4 | Andre Przywara | /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
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225 | d1cd4bf4 | Andre Przywara | CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
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226 | d1cd4bf4 | Andre Przywara | CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
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227 | d1cd4bf4 | Andre Przywara | CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
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228 | d1cd4bf4 | Andre Przywara | .ext3_features = 0,
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229 | d1cd4bf4 | Andre Przywara | .xlevel = 0x80000008,
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230 | d1cd4bf4 | Andre Przywara | .model_id = "Common KVM processor"
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231 | d1cd4bf4 | Andre Przywara | }, |
232 | eaa728ee | bellard | #endif
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233 | eaa728ee | bellard | { |
234 | eaa728ee | bellard | .name = "qemu32",
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235 | ac72472b | Andre Przywara | .level = 4,
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236 | eaa728ee | bellard | .family = 6,
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237 | eaa728ee | bellard | .model = 3,
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238 | eaa728ee | bellard | .stepping = 3,
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239 | eaa728ee | bellard | .features = PPRO_FEATURES, |
240 | f1e00a9c | Andre Przywara | .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_POPCNT, |
241 | eaa728ee | bellard | .xlevel = 0,
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242 | 40f8e2fa | bellard | .model_id = "QEMU Virtual CPU version " QEMU_VERSION,
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243 | eaa728ee | bellard | }, |
244 | eaa728ee | bellard | { |
245 | 45fd08ef | aurel32 | .name = "coreduo",
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246 | 45fd08ef | aurel32 | .level = 10,
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247 | 45fd08ef | aurel32 | .family = 6,
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248 | 45fd08ef | aurel32 | .model = 14,
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249 | 45fd08ef | aurel32 | .stepping = 8,
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250 | 45fd08ef | aurel32 | /* The original CPU also implements these features:
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251 | 45fd08ef | aurel32 | CPUID_DTS, CPUID_ACPI, CPUID_SS, CPUID_HT,
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252 | 45fd08ef | aurel32 | CPUID_TM, CPUID_PBE */
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253 | 45fd08ef | aurel32 | .features = PPRO_FEATURES | CPUID_VME | |
254 | 45fd08ef | aurel32 | CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA, |
255 | 45fd08ef | aurel32 | /* The original CPU also implements these ext features:
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256 | 45fd08ef | aurel32 | CPUID_EXT_VMX, CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_XTPR,
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257 | 45fd08ef | aurel32 | CPUID_EXT_PDCM */
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258 | 45fd08ef | aurel32 | .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR, |
259 | 45fd08ef | aurel32 | .ext2_features = CPUID_EXT2_NX, |
260 | 45fd08ef | aurel32 | .xlevel = 0x80000008,
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261 | 45fd08ef | aurel32 | .model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz",
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262 | 45fd08ef | aurel32 | }, |
263 | 45fd08ef | aurel32 | { |
264 | eaa728ee | bellard | .name = "486",
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265 | eaa728ee | bellard | .level = 0,
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266 | eaa728ee | bellard | .family = 4,
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267 | eaa728ee | bellard | .model = 0,
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268 | eaa728ee | bellard | .stepping = 0,
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269 | eaa728ee | bellard | .features = I486_FEATURES, |
270 | eaa728ee | bellard | .xlevel = 0,
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271 | eaa728ee | bellard | }, |
272 | eaa728ee | bellard | { |
273 | eaa728ee | bellard | .name = "pentium",
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274 | eaa728ee | bellard | .level = 1,
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275 | eaa728ee | bellard | .family = 5,
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276 | eaa728ee | bellard | .model = 4,
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277 | eaa728ee | bellard | .stepping = 3,
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278 | eaa728ee | bellard | .features = PENTIUM_FEATURES, |
279 | eaa728ee | bellard | .xlevel = 0,
|
280 | eaa728ee | bellard | }, |
281 | eaa728ee | bellard | { |
282 | eaa728ee | bellard | .name = "pentium2",
|
283 | eaa728ee | bellard | .level = 2,
|
284 | eaa728ee | bellard | .family = 6,
|
285 | eaa728ee | bellard | .model = 5,
|
286 | eaa728ee | bellard | .stepping = 2,
|
287 | eaa728ee | bellard | .features = PENTIUM2_FEATURES, |
288 | eaa728ee | bellard | .xlevel = 0,
|
289 | eaa728ee | bellard | }, |
290 | eaa728ee | bellard | { |
291 | eaa728ee | bellard | .name = "pentium3",
|
292 | eaa728ee | bellard | .level = 2,
|
293 | eaa728ee | bellard | .family = 6,
|
294 | eaa728ee | bellard | .model = 7,
|
295 | eaa728ee | bellard | .stepping = 3,
|
296 | eaa728ee | bellard | .features = PENTIUM3_FEATURES, |
297 | eaa728ee | bellard | .xlevel = 0,
|
298 | eaa728ee | bellard | }, |
299 | eaa728ee | bellard | { |
300 | eaa728ee | bellard | .name = "athlon",
|
301 | eaa728ee | bellard | .level = 2,
|
302 | fe4bce09 | Andre Przywara | .vendor1 = CPUID_VENDOR_AMD_1, |
303 | fe4bce09 | Andre Przywara | .vendor2 = CPUID_VENDOR_AMD_2, |
304 | fe4bce09 | Andre Przywara | .vendor3 = CPUID_VENDOR_AMD_3, |
305 | eaa728ee | bellard | .family = 6,
|
306 | eaa728ee | bellard | .model = 2,
|
307 | eaa728ee | bellard | .stepping = 3,
|
308 | 558fa836 | pbrook | .features = PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR | CPUID_MCA, |
309 | eaa728ee | bellard | .ext2_features = (PPRO_FEATURES & 0x0183F3FF) | CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
|
310 | eaa728ee | bellard | .xlevel = 0x80000008,
|
311 | 40f8e2fa | bellard | /* XXX: put another string ? */
|
312 | 40f8e2fa | bellard | .model_id = "QEMU Virtual CPU version " QEMU_VERSION,
|
313 | eaa728ee | bellard | }, |
314 | 0086de1c | balrog | { |
315 | c0d82995 | balrog | .name = "n270",
|
316 | 0086de1c | balrog | /* original is on level 10 */
|
317 | 0086de1c | balrog | .level = 5,
|
318 | 0086de1c | balrog | .family = 6,
|
319 | 0086de1c | balrog | .model = 28,
|
320 | 0086de1c | balrog | .stepping = 2,
|
321 | 0086de1c | balrog | .features = PPRO_FEATURES | |
322 | 0086de1c | balrog | CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME, |
323 | 0086de1c | balrog | /* Missing: CPUID_DTS | CPUID_ACPI | CPUID_SS |
|
324 | 0086de1c | balrog | * CPUID_HT | CPUID_TM | CPUID_PBE */
|
325 | 0086de1c | balrog | /* Some CPUs got no CPUID_SEP */
|
326 | 0086de1c | balrog | .ext_features = CPUID_EXT_MONITOR | |
327 | 853f6931 | balrog | CPUID_EXT_SSE3 /* PNI */ | CPUID_EXT_SSSE3,
|
328 | 0086de1c | balrog | /* Missing: CPUID_EXT_DSCPL | CPUID_EXT_EST |
|
329 | 0086de1c | balrog | * CPUID_EXT_TM2 | CPUID_EXT_XTPR */
|
330 | 0086de1c | balrog | .ext2_features = (PPRO_FEATURES & 0x0183F3FF) | CPUID_EXT2_NX,
|
331 | 0086de1c | balrog | /* Missing: .ext3_features = CPUID_EXT3_LAHF_LM */
|
332 | 0086de1c | balrog | .xlevel = 0x8000000A,
|
333 | 0086de1c | balrog | .model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
|
334 | 0086de1c | balrog | }, |
335 | eaa728ee | bellard | }; |
336 | 2c0262af | bellard | |
337 | fe4bce09 | Andre Przywara | static void host_cpuid(uint32_t function, uint32_t count, uint32_t *eax, |
338 | fe4bce09 | Andre Przywara | uint32_t *ebx, uint32_t *ecx, uint32_t *edx); |
339 | fe4bce09 | Andre Przywara | |
340 | fe4bce09 | Andre Przywara | static int cpu_x86_fill_model_id(char *str) |
341 | fe4bce09 | Andre Przywara | { |
342 | e6f9e6b4 | Anthony Liguori | uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0; |
343 | fe4bce09 | Andre Przywara | int i;
|
344 | fe4bce09 | Andre Przywara | |
345 | fe4bce09 | Andre Przywara | for (i = 0; i < 3; i++) { |
346 | fe4bce09 | Andre Przywara | host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx); |
347 | fe4bce09 | Andre Przywara | memcpy(str + i * 16 + 0, &eax, 4); |
348 | fe4bce09 | Andre Przywara | memcpy(str + i * 16 + 4, &ebx, 4); |
349 | fe4bce09 | Andre Przywara | memcpy(str + i * 16 + 8, &ecx, 4); |
350 | fe4bce09 | Andre Przywara | memcpy(str + i * 16 + 12, &edx, 4); |
351 | fe4bce09 | Andre Przywara | } |
352 | fe4bce09 | Andre Przywara | return 0; |
353 | fe4bce09 | Andre Przywara | } |
354 | fe4bce09 | Andre Przywara | |
355 | c227f099 | Anthony Liguori | static int cpu_x86_fill_host(x86_def_t *x86_cpu_def) |
356 | fe4bce09 | Andre Przywara | { |
357 | 97b35e35 | Blue Swirl | uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0; |
358 | fe4bce09 | Andre Przywara | |
359 | fe4bce09 | Andre Przywara | x86_cpu_def->name = "host";
|
360 | fe4bce09 | Andre Przywara | host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx); |
361 | fe4bce09 | Andre Przywara | x86_cpu_def->level = eax; |
362 | fe4bce09 | Andre Przywara | x86_cpu_def->vendor1 = ebx; |
363 | fe4bce09 | Andre Przywara | x86_cpu_def->vendor2 = edx; |
364 | fe4bce09 | Andre Przywara | x86_cpu_def->vendor3 = ecx; |
365 | fe4bce09 | Andre Przywara | |
366 | fe4bce09 | Andre Przywara | host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx); |
367 | fe4bce09 | Andre Przywara | x86_cpu_def->family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF); |
368 | fe4bce09 | Andre Przywara | x86_cpu_def->model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12); |
369 | fe4bce09 | Andre Przywara | x86_cpu_def->stepping = eax & 0x0F;
|
370 | fe4bce09 | Andre Przywara | x86_cpu_def->ext_features = ecx; |
371 | fe4bce09 | Andre Przywara | x86_cpu_def->features = edx; |
372 | fe4bce09 | Andre Przywara | |
373 | fe4bce09 | Andre Przywara | host_cpuid(0x80000000, 0, &eax, &ebx, &ecx, &edx); |
374 | fe4bce09 | Andre Przywara | x86_cpu_def->xlevel = eax; |
375 | fe4bce09 | Andre Przywara | |
376 | fe4bce09 | Andre Przywara | host_cpuid(0x80000001, 0, &eax, &ebx, &ecx, &edx); |
377 | fe4bce09 | Andre Przywara | x86_cpu_def->ext2_features = edx; |
378 | fe4bce09 | Andre Przywara | x86_cpu_def->ext3_features = ecx; |
379 | fe4bce09 | Andre Przywara | cpu_x86_fill_model_id(x86_cpu_def->model_id); |
380 | fe4bce09 | Andre Przywara | x86_cpu_def->vendor_override = 0;
|
381 | fe4bce09 | Andre Przywara | |
382 | fe4bce09 | Andre Przywara | return 0; |
383 | fe4bce09 | Andre Przywara | } |
384 | fe4bce09 | Andre Przywara | |
385 | c227f099 | Anthony Liguori | static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *cpu_model) |
386 | 2c0262af | bellard | { |
387 | eaa728ee | bellard | unsigned int i; |
388 | c227f099 | Anthony Liguori | x86_def_t *def; |
389 | 2c0262af | bellard | |
390 | eaa728ee | bellard | char *s = strdup(cpu_model);
|
391 | eaa728ee | bellard | char *featurestr, *name = strtok(s, ","); |
392 | bb0300dc | Gleb Natapov | uint32_t plus_features = 0, plus_ext_features = 0, plus_ext2_features = 0, plus_ext3_features = 0, plus_kvm_features = 0; |
393 | bb0300dc | Gleb Natapov | uint32_t minus_features = 0, minus_ext_features = 0, minus_ext2_features = 0, minus_ext3_features = 0, minus_kvm_features = 0; |
394 | a8a358bf | Andre Przywara | uint32_t numvalue; |
395 | 2c0262af | bellard | |
396 | eaa728ee | bellard | def = NULL;
|
397 | b1503cda | malc | for (i = 0; i < ARRAY_SIZE(x86_defs); i++) { |
398 | eaa728ee | bellard | if (strcmp(name, x86_defs[i].name) == 0) { |
399 | eaa728ee | bellard | def = &x86_defs[i]; |
400 | eaa728ee | bellard | break;
|
401 | eaa728ee | bellard | } |
402 | eaa728ee | bellard | } |
403 | 5e650002 | Anthony Liguori | if (kvm_enabled() && strcmp(name, "host") == 0) { |
404 | fe4bce09 | Andre Przywara | cpu_x86_fill_host(x86_cpu_def); |
405 | 5e650002 | Anthony Liguori | } else if (!def) { |
406 | 5e650002 | Anthony Liguori | goto error;
|
407 | fe4bce09 | Andre Przywara | } else {
|
408 | fe4bce09 | Andre Przywara | memcpy(x86_cpu_def, def, sizeof(*def));
|
409 | fe4bce09 | Andre Przywara | } |
410 | eaa728ee | bellard | |
411 | bb0300dc | Gleb Natapov | plus_kvm_features = ~0; /* not supported bits will be filtered out later */ |
412 | bb0300dc | Gleb Natapov | |
413 | 6d2edc43 | Andre Przywara | add_flagname_to_bitmaps("hypervisor", &plus_features,
|
414 | bb0300dc | Gleb Natapov | &plus_ext_features, &plus_ext2_features, &plus_ext3_features, |
415 | bb0300dc | Gleb Natapov | &plus_kvm_features); |
416 | 6d2edc43 | Andre Przywara | |
417 | eaa728ee | bellard | featurestr = strtok(NULL, ","); |
418 | eaa728ee | bellard | |
419 | eaa728ee | bellard | while (featurestr) {
|
420 | eaa728ee | bellard | char *val;
|
421 | eaa728ee | bellard | if (featurestr[0] == '+') { |
422 | bb0300dc | Gleb Natapov | add_flagname_to_bitmaps(featurestr + 1, &plus_features, &plus_ext_features, &plus_ext2_features, &plus_ext3_features, &plus_kvm_features);
|
423 | eaa728ee | bellard | } else if (featurestr[0] == '-') { |
424 | bb0300dc | Gleb Natapov | add_flagname_to_bitmaps(featurestr + 1, &minus_features, &minus_ext_features, &minus_ext2_features, &minus_ext3_features, &minus_kvm_features);
|
425 | eaa728ee | bellard | } else if ((val = strchr(featurestr, '='))) { |
426 | eaa728ee | bellard | *val = 0; val++;
|
427 | eaa728ee | bellard | if (!strcmp(featurestr, "family")) { |
428 | eaa728ee | bellard | char *err;
|
429 | a8a358bf | Andre Przywara | numvalue = strtoul(val, &err, 0);
|
430 | a8a358bf | Andre Przywara | if (!*val || *err) {
|
431 | eaa728ee | bellard | fprintf(stderr, "bad numerical value %s\n", val);
|
432 | eaa728ee | bellard | goto error;
|
433 | eaa728ee | bellard | } |
434 | a8a358bf | Andre Przywara | x86_cpu_def->family = numvalue; |
435 | eaa728ee | bellard | } else if (!strcmp(featurestr, "model")) { |
436 | eaa728ee | bellard | char *err;
|
437 | a8a358bf | Andre Przywara | numvalue = strtoul(val, &err, 0);
|
438 | a8a358bf | Andre Przywara | if (!*val || *err || numvalue > 0xff) { |
439 | eaa728ee | bellard | fprintf(stderr, "bad numerical value %s\n", val);
|
440 | eaa728ee | bellard | goto error;
|
441 | eaa728ee | bellard | } |
442 | a8a358bf | Andre Przywara | x86_cpu_def->model = numvalue; |
443 | eaa728ee | bellard | } else if (!strcmp(featurestr, "stepping")) { |
444 | eaa728ee | bellard | char *err;
|
445 | a8a358bf | Andre Przywara | numvalue = strtoul(val, &err, 0);
|
446 | a8a358bf | Andre Przywara | if (!*val || *err || numvalue > 0xf) { |
447 | eaa728ee | bellard | fprintf(stderr, "bad numerical value %s\n", val);
|
448 | eaa728ee | bellard | goto error;
|
449 | eaa728ee | bellard | } |
450 | a8a358bf | Andre Przywara | x86_cpu_def->stepping = numvalue ; |
451 | a8a358bf | Andre Przywara | } else if (!strcmp(featurestr, "level")) { |
452 | a8a358bf | Andre Przywara | char *err;
|
453 | a8a358bf | Andre Przywara | numvalue = strtoul(val, &err, 0);
|
454 | a8a358bf | Andre Przywara | if (!*val || *err) {
|
455 | a8a358bf | Andre Przywara | fprintf(stderr, "bad numerical value %s\n", val);
|
456 | a8a358bf | Andre Przywara | goto error;
|
457 | a8a358bf | Andre Przywara | } |
458 | a8a358bf | Andre Przywara | x86_cpu_def->level = numvalue; |
459 | a8a358bf | Andre Przywara | } else if (!strcmp(featurestr, "xlevel")) { |
460 | a8a358bf | Andre Przywara | char *err;
|
461 | a8a358bf | Andre Przywara | numvalue = strtoul(val, &err, 0);
|
462 | a8a358bf | Andre Przywara | if (!*val || *err) {
|
463 | a8a358bf | Andre Przywara | fprintf(stderr, "bad numerical value %s\n", val);
|
464 | a8a358bf | Andre Przywara | goto error;
|
465 | a8a358bf | Andre Przywara | } |
466 | a8a358bf | Andre Przywara | if (numvalue < 0x80000000) { |
467 | a8a358bf | Andre Przywara | numvalue += 0x80000000;
|
468 | a8a358bf | Andre Przywara | } |
469 | a8a358bf | Andre Przywara | x86_cpu_def->xlevel = numvalue; |
470 | 40f8e2fa | bellard | } else if (!strcmp(featurestr, "vendor")) { |
471 | 40f8e2fa | bellard | if (strlen(val) != 12) { |
472 | 40f8e2fa | bellard | fprintf(stderr, "vendor string must be 12 chars long\n");
|
473 | 40f8e2fa | bellard | goto error;
|
474 | 40f8e2fa | bellard | } |
475 | 40f8e2fa | bellard | x86_cpu_def->vendor1 = 0;
|
476 | 40f8e2fa | bellard | x86_cpu_def->vendor2 = 0;
|
477 | 40f8e2fa | bellard | x86_cpu_def->vendor3 = 0;
|
478 | 40f8e2fa | bellard | for(i = 0; i < 4; i++) { |
479 | 40f8e2fa | bellard | x86_cpu_def->vendor1 |= ((uint8_t)val[i ]) << (8 * i);
|
480 | 40f8e2fa | bellard | x86_cpu_def->vendor2 |= ((uint8_t)val[i + 4]) << (8 * i); |
481 | 40f8e2fa | bellard | x86_cpu_def->vendor3 |= ((uint8_t)val[i + 8]) << (8 * i); |
482 | 40f8e2fa | bellard | } |
483 | ef768138 | Andre Przywara | x86_cpu_def->vendor_override = 1;
|
484 | 40f8e2fa | bellard | } else if (!strcmp(featurestr, "model_id")) { |
485 | 40f8e2fa | bellard | pstrcpy(x86_cpu_def->model_id, sizeof(x86_cpu_def->model_id),
|
486 | 40f8e2fa | bellard | val); |
487 | eaa728ee | bellard | } else {
|
488 | eaa728ee | bellard | fprintf(stderr, "unrecognized feature %s\n", featurestr);
|
489 | eaa728ee | bellard | goto error;
|
490 | eaa728ee | bellard | } |
491 | eaa728ee | bellard | } else {
|
492 | eaa728ee | bellard | fprintf(stderr, "feature string `%s' not in format (+feature|-feature|feature=xyz)\n", featurestr);
|
493 | eaa728ee | bellard | goto error;
|
494 | eaa728ee | bellard | } |
495 | eaa728ee | bellard | featurestr = strtok(NULL, ","); |
496 | eaa728ee | bellard | } |
497 | eaa728ee | bellard | x86_cpu_def->features |= plus_features; |
498 | eaa728ee | bellard | x86_cpu_def->ext_features |= plus_ext_features; |
499 | eaa728ee | bellard | x86_cpu_def->ext2_features |= plus_ext2_features; |
500 | eaa728ee | bellard | x86_cpu_def->ext3_features |= plus_ext3_features; |
501 | bb0300dc | Gleb Natapov | x86_cpu_def->kvm_features |= plus_kvm_features; |
502 | eaa728ee | bellard | x86_cpu_def->features &= ~minus_features; |
503 | eaa728ee | bellard | x86_cpu_def->ext_features &= ~minus_ext_features; |
504 | eaa728ee | bellard | x86_cpu_def->ext2_features &= ~minus_ext2_features; |
505 | eaa728ee | bellard | x86_cpu_def->ext3_features &= ~minus_ext3_features; |
506 | bb0300dc | Gleb Natapov | x86_cpu_def->kvm_features &= ~minus_kvm_features; |
507 | eaa728ee | bellard | free(s); |
508 | eaa728ee | bellard | return 0; |
509 | eaa728ee | bellard | |
510 | eaa728ee | bellard | error:
|
511 | eaa728ee | bellard | free(s); |
512 | eaa728ee | bellard | return -1; |
513 | bd7a7b33 | bellard | } |
514 | bd7a7b33 | bellard | |
515 | eaa728ee | bellard | void x86_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...)) |
516 | bd7a7b33 | bellard | { |
517 | eaa728ee | bellard | unsigned int i; |
518 | eaa728ee | bellard | |
519 | b1503cda | malc | for (i = 0; i < ARRAY_SIZE(x86_defs); i++) |
520 | eaa728ee | bellard | (*cpu_fprintf)(f, "x86 %16s\n", x86_defs[i].name);
|
521 | bd7a7b33 | bellard | } |
522 | bd7a7b33 | bellard | |
523 | eaa728ee | bellard | static int cpu_x86_register (CPUX86State *env, const char *cpu_model) |
524 | 7e84c249 | bellard | { |
525 | c227f099 | Anthony Liguori | x86_def_t def1, *def = &def1; |
526 | 7e84c249 | bellard | |
527 | eaa728ee | bellard | if (cpu_x86_find_by_name(def, cpu_model) < 0) |
528 | 7e84c249 | bellard | return -1; |
529 | eaa728ee | bellard | if (def->vendor1) {
|
530 | eaa728ee | bellard | env->cpuid_vendor1 = def->vendor1; |
531 | eaa728ee | bellard | env->cpuid_vendor2 = def->vendor2; |
532 | eaa728ee | bellard | env->cpuid_vendor3 = def->vendor3; |
533 | eaa728ee | bellard | } else {
|
534 | c5096daf | balrog | env->cpuid_vendor1 = CPUID_VENDOR_INTEL_1; |
535 | c5096daf | balrog | env->cpuid_vendor2 = CPUID_VENDOR_INTEL_2; |
536 | c5096daf | balrog | env->cpuid_vendor3 = CPUID_VENDOR_INTEL_3; |
537 | eaa728ee | bellard | } |
538 | ef768138 | Andre Przywara | env->cpuid_vendor_override = def->vendor_override; |
539 | eaa728ee | bellard | env->cpuid_level = def->level; |
540 | 59795a1f | balrog | if (def->family > 0x0f) |
541 | 59795a1f | balrog | env->cpuid_version = 0xf00 | ((def->family - 0x0f) << 20); |
542 | 59795a1f | balrog | else
|
543 | 59795a1f | balrog | env->cpuid_version = def->family << 8;
|
544 | 59795a1f | balrog | env->cpuid_version |= ((def->model & 0xf) << 4) | ((def->model >> 4) << 16); |
545 | 59795a1f | balrog | env->cpuid_version |= def->stepping; |
546 | eaa728ee | bellard | env->cpuid_features = def->features; |
547 | eaa728ee | bellard | env->pat = 0x0007040600070406ULL;
|
548 | eaa728ee | bellard | env->cpuid_ext_features = def->ext_features; |
549 | eaa728ee | bellard | env->cpuid_ext2_features = def->ext2_features; |
550 | eaa728ee | bellard | env->cpuid_xlevel = def->xlevel; |
551 | bb0300dc | Gleb Natapov | env->cpuid_kvm_features = def->kvm_features; |
552 | eaa728ee | bellard | { |
553 | 40f8e2fa | bellard | const char *model_id = def->model_id; |
554 | eaa728ee | bellard | int c, len, i;
|
555 | 40f8e2fa | bellard | if (!model_id)
|
556 | 40f8e2fa | bellard | model_id = "";
|
557 | eaa728ee | bellard | len = strlen(model_id); |
558 | eaa728ee | bellard | for(i = 0; i < 48; i++) { |
559 | eaa728ee | bellard | if (i >= len)
|
560 | eaa728ee | bellard | c = '\0';
|
561 | eaa728ee | bellard | else
|
562 | 40f8e2fa | bellard | c = (uint8_t)model_id[i]; |
563 | eaa728ee | bellard | env->cpuid_model[i >> 2] |= c << (8 * (i & 3)); |
564 | eaa728ee | bellard | } |
565 | eaa728ee | bellard | } |
566 | 7e84c249 | bellard | return 0; |
567 | 7e84c249 | bellard | } |
568 | 3b46e624 | ths | |
569 | eaa728ee | bellard | /* NOTE: must be called outside the CPU execute loop */
|
570 | eaa728ee | bellard | void cpu_reset(CPUX86State *env)
|
571 | 7e84c249 | bellard | { |
572 | eaa728ee | bellard | int i;
|
573 | 7e84c249 | bellard | |
574 | eca1bdf4 | aliguori | if (qemu_loglevel_mask(CPU_LOG_RESET)) {
|
575 | eca1bdf4 | aliguori | qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
|
576 | eca1bdf4 | aliguori | log_cpu_state(env, X86_DUMP_FPU | X86_DUMP_CCOP); |
577 | eca1bdf4 | aliguori | } |
578 | eca1bdf4 | aliguori | |
579 | eaa728ee | bellard | memset(env, 0, offsetof(CPUX86State, breakpoints));
|
580 | 7e84c249 | bellard | |
581 | eaa728ee | bellard | tlb_flush(env, 1);
|
582 | 7e84c249 | bellard | |
583 | eaa728ee | bellard | env->old_exception = -1;
|
584 | 7e84c249 | bellard | |
585 | eaa728ee | bellard | /* init to reset state */
|
586 | 3b46e624 | ths | |
587 | eaa728ee | bellard | #ifdef CONFIG_SOFTMMU
|
588 | eaa728ee | bellard | env->hflags |= HF_SOFTMMU_MASK; |
589 | 2c0262af | bellard | #endif
|
590 | db620f46 | bellard | env->hflags2 |= HF2_GIF_MASK; |
591 | 2c0262af | bellard | |
592 | eaa728ee | bellard | cpu_x86_update_cr0(env, 0x60000010);
|
593 | eaa728ee | bellard | env->a20_mask = ~0x0;
|
594 | eaa728ee | bellard | env->smbase = 0x30000;
|
595 | 7e84c249 | bellard | |
596 | eaa728ee | bellard | env->idt.limit = 0xffff;
|
597 | eaa728ee | bellard | env->gdt.limit = 0xffff;
|
598 | eaa728ee | bellard | env->ldt.limit = 0xffff;
|
599 | 262ffdae | bellard | env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT);
|
600 | eaa728ee | bellard | env->tr.limit = 0xffff;
|
601 | 23e6c399 | aliguori | env->tr.flags = DESC_P_MASK | (11 << DESC_TYPE_SHIFT);
|
602 | 262ffdae | bellard | |
603 | 262ffdae | bellard | cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff, |
604 | 538f3686 | Nitin A Kamble | DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK | |
605 | 538f3686 | Nitin A Kamble | DESC_R_MASK | DESC_A_MASK); |
606 | 262ffdae | bellard | cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff, |
607 | 538f3686 | Nitin A Kamble | DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | |
608 | 538f3686 | Nitin A Kamble | DESC_A_MASK); |
609 | 262ffdae | bellard | cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff, |
610 | 538f3686 | Nitin A Kamble | DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | |
611 | 538f3686 | Nitin A Kamble | DESC_A_MASK); |
612 | 262ffdae | bellard | cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff, |
613 | 538f3686 | Nitin A Kamble | DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | |
614 | 538f3686 | Nitin A Kamble | DESC_A_MASK); |
615 | 262ffdae | bellard | cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff, |
616 | 538f3686 | Nitin A Kamble | DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | |
617 | 538f3686 | Nitin A Kamble | DESC_A_MASK); |
618 | 262ffdae | bellard | cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff, |
619 | 538f3686 | Nitin A Kamble | DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | |
620 | 538f3686 | Nitin A Kamble | DESC_A_MASK); |
621 | 7e84c249 | bellard | |
622 | eaa728ee | bellard | env->eip = 0xfff0;
|
623 | eaa728ee | bellard | env->regs[R_EDX] = env->cpuid_version; |
624 | 2c0262af | bellard | |
625 | eaa728ee | bellard | env->eflags = 0x2;
|
626 | 7e84c249 | bellard | |
627 | eaa728ee | bellard | /* FPU init */
|
628 | eaa728ee | bellard | for(i = 0;i < 8; i++) |
629 | eaa728ee | bellard | env->fptags[i] = 1;
|
630 | eaa728ee | bellard | env->fpuc = 0x37f;
|
631 | 7e84c249 | bellard | |
632 | eaa728ee | bellard | env->mxcsr = 0x1f80;
|
633 | 01df040b | aliguori | |
634 | 01df040b | aliguori | memset(env->dr, 0, sizeof(env->dr)); |
635 | 01df040b | aliguori | env->dr[6] = DR6_FIXED_1;
|
636 | 01df040b | aliguori | env->dr[7] = DR7_FIXED_1;
|
637 | 01df040b | aliguori | cpu_breakpoint_remove_all(env, BP_CPU); |
638 | 01df040b | aliguori | cpu_watchpoint_remove_all(env, BP_CPU); |
639 | af364b41 | Huang Ying | |
640 | af364b41 | Huang Ying | env->mcg_status = 0;
|
641 | eaa728ee | bellard | } |
642 | 7e84c249 | bellard | |
643 | eaa728ee | bellard | void cpu_x86_close(CPUX86State *env)
|
644 | eaa728ee | bellard | { |
645 | bb332cb2 | balrog | qemu_free(env); |
646 | eaa728ee | bellard | } |
647 | 7e84c249 | bellard | |
648 | eaa728ee | bellard | /***********************************************************/
|
649 | eaa728ee | bellard | /* x86 debug */
|
650 | 3b46e624 | ths | |
651 | eaa728ee | bellard | static const char *cc_op_str[] = { |
652 | eaa728ee | bellard | "DYNAMIC",
|
653 | eaa728ee | bellard | "EFLAGS",
|
654 | 7e84c249 | bellard | |
655 | eaa728ee | bellard | "MULB",
|
656 | eaa728ee | bellard | "MULW",
|
657 | eaa728ee | bellard | "MULL",
|
658 | eaa728ee | bellard | "MULQ",
|
659 | 3b46e624 | ths | |
660 | eaa728ee | bellard | "ADDB",
|
661 | eaa728ee | bellard | "ADDW",
|
662 | eaa728ee | bellard | "ADDL",
|
663 | eaa728ee | bellard | "ADDQ",
|
664 | 3b46e624 | ths | |
665 | eaa728ee | bellard | "ADCB",
|
666 | eaa728ee | bellard | "ADCW",
|
667 | eaa728ee | bellard | "ADCL",
|
668 | eaa728ee | bellard | "ADCQ",
|
669 | 3b46e624 | ths | |
670 | eaa728ee | bellard | "SUBB",
|
671 | eaa728ee | bellard | "SUBW",
|
672 | eaa728ee | bellard | "SUBL",
|
673 | eaa728ee | bellard | "SUBQ",
|
674 | 7e84c249 | bellard | |
675 | eaa728ee | bellard | "SBBB",
|
676 | eaa728ee | bellard | "SBBW",
|
677 | eaa728ee | bellard | "SBBL",
|
678 | eaa728ee | bellard | "SBBQ",
|
679 | 7e84c249 | bellard | |
680 | eaa728ee | bellard | "LOGICB",
|
681 | eaa728ee | bellard | "LOGICW",
|
682 | eaa728ee | bellard | "LOGICL",
|
683 | eaa728ee | bellard | "LOGICQ",
|
684 | 7e84c249 | bellard | |
685 | eaa728ee | bellard | "INCB",
|
686 | eaa728ee | bellard | "INCW",
|
687 | eaa728ee | bellard | "INCL",
|
688 | eaa728ee | bellard | "INCQ",
|
689 | 3b46e624 | ths | |
690 | eaa728ee | bellard | "DECB",
|
691 | eaa728ee | bellard | "DECW",
|
692 | eaa728ee | bellard | "DECL",
|
693 | eaa728ee | bellard | "DECQ",
|
694 | 3b46e624 | ths | |
695 | eaa728ee | bellard | "SHLB",
|
696 | eaa728ee | bellard | "SHLW",
|
697 | eaa728ee | bellard | "SHLL",
|
698 | eaa728ee | bellard | "SHLQ",
|
699 | 3b46e624 | ths | |
700 | eaa728ee | bellard | "SARB",
|
701 | eaa728ee | bellard | "SARW",
|
702 | eaa728ee | bellard | "SARL",
|
703 | eaa728ee | bellard | "SARQ",
|
704 | eaa728ee | bellard | }; |
705 | 7e84c249 | bellard | |
706 | a3867ed2 | aliguori | static void |
707 | a3867ed2 | aliguori | cpu_x86_dump_seg_cache(CPUState *env, FILE *f, |
708 | a3867ed2 | aliguori | int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
709 | a3867ed2 | aliguori | const char *name, struct SegmentCache *sc) |
710 | a3867ed2 | aliguori | { |
711 | a3867ed2 | aliguori | #ifdef TARGET_X86_64
|
712 | a3867ed2 | aliguori | if (env->hflags & HF_CS64_MASK) {
|
713 | a3867ed2 | aliguori | cpu_fprintf(f, "%-3s=%04x %016" PRIx64 " %08x %08x", name, |
714 | a3867ed2 | aliguori | sc->selector, sc->base, sc->limit, sc->flags); |
715 | a3867ed2 | aliguori | } else
|
716 | a3867ed2 | aliguori | #endif
|
717 | a3867ed2 | aliguori | { |
718 | a3867ed2 | aliguori | cpu_fprintf(f, "%-3s=%04x %08x %08x %08x", name, sc->selector,
|
719 | a3867ed2 | aliguori | (uint32_t)sc->base, sc->limit, sc->flags); |
720 | a3867ed2 | aliguori | } |
721 | a3867ed2 | aliguori | |
722 | a3867ed2 | aliguori | if (!(env->hflags & HF_PE_MASK) || !(sc->flags & DESC_P_MASK))
|
723 | a3867ed2 | aliguori | goto done;
|
724 | a3867ed2 | aliguori | |
725 | a3867ed2 | aliguori | cpu_fprintf(f, " DPL=%d ", (sc->flags & DESC_DPL_MASK) >> DESC_DPL_SHIFT);
|
726 | a3867ed2 | aliguori | if (sc->flags & DESC_S_MASK) {
|
727 | a3867ed2 | aliguori | if (sc->flags & DESC_CS_MASK) {
|
728 | a3867ed2 | aliguori | cpu_fprintf(f, (sc->flags & DESC_L_MASK) ? "CS64" :
|
729 | a3867ed2 | aliguori | ((sc->flags & DESC_B_MASK) ? "CS32" : "CS16")); |
730 | a3867ed2 | aliguori | cpu_fprintf(f, " [%c%c", (sc->flags & DESC_C_MASK) ? 'C' : '-', |
731 | a3867ed2 | aliguori | (sc->flags & DESC_R_MASK) ? 'R' : '-'); |
732 | a3867ed2 | aliguori | } else {
|
733 | a3867ed2 | aliguori | cpu_fprintf(f, (sc->flags & DESC_B_MASK) ? "DS " : "DS16"); |
734 | a3867ed2 | aliguori | cpu_fprintf(f, " [%c%c", (sc->flags & DESC_E_MASK) ? 'E' : '-', |
735 | a3867ed2 | aliguori | (sc->flags & DESC_W_MASK) ? 'W' : '-'); |
736 | a3867ed2 | aliguori | } |
737 | a3867ed2 | aliguori | cpu_fprintf(f, "%c]", (sc->flags & DESC_A_MASK) ? 'A' : '-'); |
738 | a3867ed2 | aliguori | } else {
|
739 | a3867ed2 | aliguori | static const char *sys_type_name[2][16] = { |
740 | a3867ed2 | aliguori | { /* 32 bit mode */
|
741 | a3867ed2 | aliguori | "Reserved", "TSS16-avl", "LDT", "TSS16-busy", |
742 | a3867ed2 | aliguori | "CallGate16", "TaskGate", "IntGate16", "TrapGate16", |
743 | a3867ed2 | aliguori | "Reserved", "TSS32-avl", "Reserved", "TSS32-busy", |
744 | a3867ed2 | aliguori | "CallGate32", "Reserved", "IntGate32", "TrapGate32" |
745 | a3867ed2 | aliguori | }, |
746 | a3867ed2 | aliguori | { /* 64 bit mode */
|
747 | a3867ed2 | aliguori | "<hiword>", "Reserved", "LDT", "Reserved", "Reserved", |
748 | a3867ed2 | aliguori | "Reserved", "Reserved", "Reserved", "Reserved", |
749 | a3867ed2 | aliguori | "TSS64-avl", "Reserved", "TSS64-busy", "CallGate64", |
750 | a3867ed2 | aliguori | "Reserved", "IntGate64", "TrapGate64" |
751 | a3867ed2 | aliguori | } |
752 | a3867ed2 | aliguori | }; |
753 | a3867ed2 | aliguori | cpu_fprintf(f, sys_type_name[(env->hflags & HF_LMA_MASK) ? 1 : 0] |
754 | a3867ed2 | aliguori | [(sc->flags & DESC_TYPE_MASK) |
755 | a3867ed2 | aliguori | >> DESC_TYPE_SHIFT]); |
756 | a3867ed2 | aliguori | } |
757 | a3867ed2 | aliguori | done:
|
758 | a3867ed2 | aliguori | cpu_fprintf(f, "\n");
|
759 | a3867ed2 | aliguori | } |
760 | a3867ed2 | aliguori | |
761 | eaa728ee | bellard | void cpu_dump_state(CPUState *env, FILE *f,
|
762 | eaa728ee | bellard | int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
763 | eaa728ee | bellard | int flags)
|
764 | eaa728ee | bellard | { |
765 | eaa728ee | bellard | int eflags, i, nb;
|
766 | eaa728ee | bellard | char cc_op_name[32]; |
767 | eaa728ee | bellard | static const char *seg_name[6] = { "ES", "CS", "SS", "DS", "FS", "GS" }; |
768 | 7e84c249 | bellard | |
769 | 23054111 | Jan Kiszka | cpu_synchronize_state(env); |
770 | ff3c01ca | balrog | |
771 | eaa728ee | bellard | eflags = env->eflags; |
772 | eaa728ee | bellard | #ifdef TARGET_X86_64
|
773 | eaa728ee | bellard | if (env->hflags & HF_CS64_MASK) {
|
774 | eaa728ee | bellard | cpu_fprintf(f, |
775 | eaa728ee | bellard | "RAX=%016" PRIx64 " RBX=%016" PRIx64 " RCX=%016" PRIx64 " RDX=%016" PRIx64 "\n" |
776 | eaa728ee | bellard | "RSI=%016" PRIx64 " RDI=%016" PRIx64 " RBP=%016" PRIx64 " RSP=%016" PRIx64 "\n" |
777 | eaa728ee | bellard | "R8 =%016" PRIx64 " R9 =%016" PRIx64 " R10=%016" PRIx64 " R11=%016" PRIx64 "\n" |
778 | eaa728ee | bellard | "R12=%016" PRIx64 " R13=%016" PRIx64 " R14=%016" PRIx64 " R15=%016" PRIx64 "\n" |
779 | eaa728ee | bellard | "RIP=%016" PRIx64 " RFL=%08x [%c%c%c%c%c%c%c] CPL=%d II=%d A20=%d SMM=%d HLT=%d\n", |
780 | eaa728ee | bellard | env->regs[R_EAX], |
781 | eaa728ee | bellard | env->regs[R_EBX], |
782 | eaa728ee | bellard | env->regs[R_ECX], |
783 | eaa728ee | bellard | env->regs[R_EDX], |
784 | eaa728ee | bellard | env->regs[R_ESI], |
785 | eaa728ee | bellard | env->regs[R_EDI], |
786 | eaa728ee | bellard | env->regs[R_EBP], |
787 | eaa728ee | bellard | env->regs[R_ESP], |
788 | eaa728ee | bellard | env->regs[8],
|
789 | eaa728ee | bellard | env->regs[9],
|
790 | eaa728ee | bellard | env->regs[10],
|
791 | eaa728ee | bellard | env->regs[11],
|
792 | eaa728ee | bellard | env->regs[12],
|
793 | eaa728ee | bellard | env->regs[13],
|
794 | eaa728ee | bellard | env->regs[14],
|
795 | eaa728ee | bellard | env->regs[15],
|
796 | eaa728ee | bellard | env->eip, eflags, |
797 | eaa728ee | bellard | eflags & DF_MASK ? 'D' : '-', |
798 | eaa728ee | bellard | eflags & CC_O ? 'O' : '-', |
799 | eaa728ee | bellard | eflags & CC_S ? 'S' : '-', |
800 | eaa728ee | bellard | eflags & CC_Z ? 'Z' : '-', |
801 | eaa728ee | bellard | eflags & CC_A ? 'A' : '-', |
802 | eaa728ee | bellard | eflags & CC_P ? 'P' : '-', |
803 | eaa728ee | bellard | eflags & CC_C ? 'C' : '-', |
804 | eaa728ee | bellard | env->hflags & HF_CPL_MASK, |
805 | eaa728ee | bellard | (env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1,
|
806 | 5ee0ffaa | Juan Quintela | (env->a20_mask >> 20) & 1, |
807 | eaa728ee | bellard | (env->hflags >> HF_SMM_SHIFT) & 1,
|
808 | ce5232c5 | bellard | env->halted); |
809 | eaa728ee | bellard | } else
|
810 | eaa728ee | bellard | #endif
|
811 | eaa728ee | bellard | { |
812 | eaa728ee | bellard | cpu_fprintf(f, "EAX=%08x EBX=%08x ECX=%08x EDX=%08x\n"
|
813 | eaa728ee | bellard | "ESI=%08x EDI=%08x EBP=%08x ESP=%08x\n"
|
814 | eaa728ee | bellard | "EIP=%08x EFL=%08x [%c%c%c%c%c%c%c] CPL=%d II=%d A20=%d SMM=%d HLT=%d\n",
|
815 | eaa728ee | bellard | (uint32_t)env->regs[R_EAX], |
816 | eaa728ee | bellard | (uint32_t)env->regs[R_EBX], |
817 | eaa728ee | bellard | (uint32_t)env->regs[R_ECX], |
818 | eaa728ee | bellard | (uint32_t)env->regs[R_EDX], |
819 | eaa728ee | bellard | (uint32_t)env->regs[R_ESI], |
820 | eaa728ee | bellard | (uint32_t)env->regs[R_EDI], |
821 | eaa728ee | bellard | (uint32_t)env->regs[R_EBP], |
822 | eaa728ee | bellard | (uint32_t)env->regs[R_ESP], |
823 | eaa728ee | bellard | (uint32_t)env->eip, eflags, |
824 | eaa728ee | bellard | eflags & DF_MASK ? 'D' : '-', |
825 | eaa728ee | bellard | eflags & CC_O ? 'O' : '-', |
826 | eaa728ee | bellard | eflags & CC_S ? 'S' : '-', |
827 | eaa728ee | bellard | eflags & CC_Z ? 'Z' : '-', |
828 | eaa728ee | bellard | eflags & CC_A ? 'A' : '-', |
829 | eaa728ee | bellard | eflags & CC_P ? 'P' : '-', |
830 | eaa728ee | bellard | eflags & CC_C ? 'C' : '-', |
831 | eaa728ee | bellard | env->hflags & HF_CPL_MASK, |
832 | eaa728ee | bellard | (env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1,
|
833 | 5ee0ffaa | Juan Quintela | (env->a20_mask >> 20) & 1, |
834 | eaa728ee | bellard | (env->hflags >> HF_SMM_SHIFT) & 1,
|
835 | ce5232c5 | bellard | env->halted); |
836 | 8145122b | bellard | } |
837 | 3b46e624 | ths | |
838 | a3867ed2 | aliguori | for(i = 0; i < 6; i++) { |
839 | a3867ed2 | aliguori | cpu_x86_dump_seg_cache(env, f, cpu_fprintf, seg_name[i], |
840 | a3867ed2 | aliguori | &env->segs[i]); |
841 | a3867ed2 | aliguori | } |
842 | a3867ed2 | aliguori | cpu_x86_dump_seg_cache(env, f, cpu_fprintf, "LDT", &env->ldt);
|
843 | a3867ed2 | aliguori | cpu_x86_dump_seg_cache(env, f, cpu_fprintf, "TR", &env->tr);
|
844 | a3867ed2 | aliguori | |
845 | eaa728ee | bellard | #ifdef TARGET_X86_64
|
846 | eaa728ee | bellard | if (env->hflags & HF_LMA_MASK) {
|
847 | eaa728ee | bellard | cpu_fprintf(f, "GDT= %016" PRIx64 " %08x\n", |
848 | eaa728ee | bellard | env->gdt.base, env->gdt.limit); |
849 | eaa728ee | bellard | cpu_fprintf(f, "IDT= %016" PRIx64 " %08x\n", |
850 | eaa728ee | bellard | env->idt.base, env->idt.limit); |
851 | eaa728ee | bellard | cpu_fprintf(f, "CR0=%08x CR2=%016" PRIx64 " CR3=%016" PRIx64 " CR4=%08x\n", |
852 | eaa728ee | bellard | (uint32_t)env->cr[0],
|
853 | eaa728ee | bellard | env->cr[2],
|
854 | eaa728ee | bellard | env->cr[3],
|
855 | eaa728ee | bellard | (uint32_t)env->cr[4]);
|
856 | a59cb4e0 | aliguori | for(i = 0; i < 4; i++) |
857 | a59cb4e0 | aliguori | cpu_fprintf(f, "DR%d=%016" PRIx64 " ", i, env->dr[i]); |
858 | a59cb4e0 | aliguori | cpu_fprintf(f, "\nDR6=%016" PRIx64 " DR7=%016" PRIx64 "\n", |
859 | d4b55be5 | aliguori | env->dr[6], env->dr[7]); |
860 | eaa728ee | bellard | } else
|
861 | eaa728ee | bellard | #endif
|
862 | eaa728ee | bellard | { |
863 | eaa728ee | bellard | cpu_fprintf(f, "GDT= %08x %08x\n",
|
864 | eaa728ee | bellard | (uint32_t)env->gdt.base, env->gdt.limit); |
865 | eaa728ee | bellard | cpu_fprintf(f, "IDT= %08x %08x\n",
|
866 | eaa728ee | bellard | (uint32_t)env->idt.base, env->idt.limit); |
867 | eaa728ee | bellard | cpu_fprintf(f, "CR0=%08x CR2=%08x CR3=%08x CR4=%08x\n",
|
868 | eaa728ee | bellard | (uint32_t)env->cr[0],
|
869 | eaa728ee | bellard | (uint32_t)env->cr[2],
|
870 | eaa728ee | bellard | (uint32_t)env->cr[3],
|
871 | eaa728ee | bellard | (uint32_t)env->cr[4]);
|
872 | a59cb4e0 | aliguori | for(i = 0; i < 4; i++) |
873 | a59cb4e0 | aliguori | cpu_fprintf(f, "DR%d=%08x ", i, env->dr[i]);
|
874 | d4b55be5 | aliguori | cpu_fprintf(f, "\nDR6=%08x DR7=%08x\n", env->dr[6], env->dr[7]); |
875 | eaa728ee | bellard | } |
876 | eaa728ee | bellard | if (flags & X86_DUMP_CCOP) {
|
877 | eaa728ee | bellard | if ((unsigned)env->cc_op < CC_OP_NB) |
878 | eaa728ee | bellard | snprintf(cc_op_name, sizeof(cc_op_name), "%s", cc_op_str[env->cc_op]); |
879 | eaa728ee | bellard | else
|
880 | eaa728ee | bellard | snprintf(cc_op_name, sizeof(cc_op_name), "[%d]", env->cc_op); |
881 | eaa728ee | bellard | #ifdef TARGET_X86_64
|
882 | eaa728ee | bellard | if (env->hflags & HF_CS64_MASK) {
|
883 | eaa728ee | bellard | cpu_fprintf(f, "CCS=%016" PRIx64 " CCD=%016" PRIx64 " CCO=%-8s\n", |
884 | eaa728ee | bellard | env->cc_src, env->cc_dst, |
885 | eaa728ee | bellard | cc_op_name); |
886 | eaa728ee | bellard | } else
|
887 | eaa728ee | bellard | #endif
|
888 | eaa728ee | bellard | { |
889 | eaa728ee | bellard | cpu_fprintf(f, "CCS=%08x CCD=%08x CCO=%-8s\n",
|
890 | eaa728ee | bellard | (uint32_t)env->cc_src, (uint32_t)env->cc_dst, |
891 | eaa728ee | bellard | cc_op_name); |
892 | eaa728ee | bellard | } |
893 | 7e84c249 | bellard | } |
894 | eaa728ee | bellard | if (flags & X86_DUMP_FPU) {
|
895 | eaa728ee | bellard | int fptag;
|
896 | eaa728ee | bellard | fptag = 0;
|
897 | eaa728ee | bellard | for(i = 0; i < 8; i++) { |
898 | eaa728ee | bellard | fptag |= ((!env->fptags[i]) << i); |
899 | eaa728ee | bellard | } |
900 | eaa728ee | bellard | cpu_fprintf(f, "FCW=%04x FSW=%04x [ST=%d] FTW=%02x MXCSR=%08x\n",
|
901 | eaa728ee | bellard | env->fpuc, |
902 | eaa728ee | bellard | (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11, |
903 | eaa728ee | bellard | env->fpstt, |
904 | eaa728ee | bellard | fptag, |
905 | eaa728ee | bellard | env->mxcsr); |
906 | eaa728ee | bellard | for(i=0;i<8;i++) { |
907 | eaa728ee | bellard | #if defined(USE_X86LDOUBLE)
|
908 | eaa728ee | bellard | union {
|
909 | eaa728ee | bellard | long double d; |
910 | eaa728ee | bellard | struct {
|
911 | eaa728ee | bellard | uint64_t lower; |
912 | eaa728ee | bellard | uint16_t upper; |
913 | eaa728ee | bellard | } l; |
914 | eaa728ee | bellard | } tmp; |
915 | eaa728ee | bellard | tmp.d = env->fpregs[i].d; |
916 | eaa728ee | bellard | cpu_fprintf(f, "FPR%d=%016" PRIx64 " %04x", |
917 | eaa728ee | bellard | i, tmp.l.lower, tmp.l.upper); |
918 | eaa728ee | bellard | #else
|
919 | eaa728ee | bellard | cpu_fprintf(f, "FPR%d=%016" PRIx64,
|
920 | eaa728ee | bellard | i, env->fpregs[i].mmx.q); |
921 | eaa728ee | bellard | #endif
|
922 | eaa728ee | bellard | if ((i & 1) == 1) |
923 | eaa728ee | bellard | cpu_fprintf(f, "\n");
|
924 | eaa728ee | bellard | else
|
925 | eaa728ee | bellard | cpu_fprintf(f, " ");
|
926 | eaa728ee | bellard | } |
927 | eaa728ee | bellard | if (env->hflags & HF_CS64_MASK)
|
928 | eaa728ee | bellard | nb = 16;
|
929 | eaa728ee | bellard | else
|
930 | eaa728ee | bellard | nb = 8;
|
931 | eaa728ee | bellard | for(i=0;i<nb;i++) { |
932 | eaa728ee | bellard | cpu_fprintf(f, "XMM%02d=%08x%08x%08x%08x",
|
933 | eaa728ee | bellard | i, |
934 | eaa728ee | bellard | env->xmm_regs[i].XMM_L(3),
|
935 | eaa728ee | bellard | env->xmm_regs[i].XMM_L(2),
|
936 | eaa728ee | bellard | env->xmm_regs[i].XMM_L(1),
|
937 | eaa728ee | bellard | env->xmm_regs[i].XMM_L(0));
|
938 | eaa728ee | bellard | if ((i & 1) == 1) |
939 | eaa728ee | bellard | cpu_fprintf(f, "\n");
|
940 | eaa728ee | bellard | else
|
941 | eaa728ee | bellard | cpu_fprintf(f, " ");
|
942 | eaa728ee | bellard | } |
943 | 7e84c249 | bellard | } |
944 | 2c0262af | bellard | } |
945 | 7e84c249 | bellard | |
946 | eaa728ee | bellard | /***********************************************************/
|
947 | eaa728ee | bellard | /* x86 mmu */
|
948 | eaa728ee | bellard | /* XXX: add PGE support */
|
949 | eaa728ee | bellard | |
950 | eaa728ee | bellard | void cpu_x86_set_a20(CPUX86State *env, int a20_state) |
951 | 2c0262af | bellard | { |
952 | eaa728ee | bellard | a20_state = (a20_state != 0);
|
953 | eaa728ee | bellard | if (a20_state != ((env->a20_mask >> 20) & 1)) { |
954 | eaa728ee | bellard | #if defined(DEBUG_MMU)
|
955 | eaa728ee | bellard | printf("A20 update: a20=%d\n", a20_state);
|
956 | eaa728ee | bellard | #endif
|
957 | eaa728ee | bellard | /* if the cpu is currently executing code, we must unlink it and
|
958 | eaa728ee | bellard | all the potentially executing TB */
|
959 | eaa728ee | bellard | cpu_interrupt(env, CPU_INTERRUPT_EXITTB); |
960 | 3b46e624 | ths | |
961 | eaa728ee | bellard | /* when a20 is changed, all the MMU mappings are invalid, so
|
962 | eaa728ee | bellard | we must flush everything */
|
963 | eaa728ee | bellard | tlb_flush(env, 1);
|
964 | 5ee0ffaa | Juan Quintela | env->a20_mask = ~(1 << 20) | (a20_state << 20); |
965 | 7e84c249 | bellard | } |
966 | 2c0262af | bellard | } |
967 | 2c0262af | bellard | |
968 | eaa728ee | bellard | void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0)
|
969 | 2c0262af | bellard | { |
970 | eaa728ee | bellard | int pe_state;
|
971 | 2c0262af | bellard | |
972 | eaa728ee | bellard | #if defined(DEBUG_MMU)
|
973 | eaa728ee | bellard | printf("CR0 update: CR0=0x%08x\n", new_cr0);
|
974 | eaa728ee | bellard | #endif
|
975 | eaa728ee | bellard | if ((new_cr0 & (CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK)) !=
|
976 | eaa728ee | bellard | (env->cr[0] & (CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK))) {
|
977 | eaa728ee | bellard | tlb_flush(env, 1);
|
978 | eaa728ee | bellard | } |
979 | 2c0262af | bellard | |
980 | eaa728ee | bellard | #ifdef TARGET_X86_64
|
981 | eaa728ee | bellard | if (!(env->cr[0] & CR0_PG_MASK) && (new_cr0 & CR0_PG_MASK) && |
982 | eaa728ee | bellard | (env->efer & MSR_EFER_LME)) { |
983 | eaa728ee | bellard | /* enter in long mode */
|
984 | eaa728ee | bellard | /* XXX: generate an exception */
|
985 | eaa728ee | bellard | if (!(env->cr[4] & CR4_PAE_MASK)) |
986 | eaa728ee | bellard | return;
|
987 | eaa728ee | bellard | env->efer |= MSR_EFER_LMA; |
988 | eaa728ee | bellard | env->hflags |= HF_LMA_MASK; |
989 | eaa728ee | bellard | } else if ((env->cr[0] & CR0_PG_MASK) && !(new_cr0 & CR0_PG_MASK) && |
990 | eaa728ee | bellard | (env->efer & MSR_EFER_LMA)) { |
991 | eaa728ee | bellard | /* exit long mode */
|
992 | eaa728ee | bellard | env->efer &= ~MSR_EFER_LMA; |
993 | eaa728ee | bellard | env->hflags &= ~(HF_LMA_MASK | HF_CS64_MASK); |
994 | eaa728ee | bellard | env->eip &= 0xffffffff;
|
995 | eaa728ee | bellard | } |
996 | eaa728ee | bellard | #endif
|
997 | eaa728ee | bellard | env->cr[0] = new_cr0 | CR0_ET_MASK;
|
998 | 7e84c249 | bellard | |
999 | eaa728ee | bellard | /* update PE flag in hidden flags */
|
1000 | eaa728ee | bellard | pe_state = (env->cr[0] & CR0_PE_MASK);
|
1001 | eaa728ee | bellard | env->hflags = (env->hflags & ~HF_PE_MASK) | (pe_state << HF_PE_SHIFT); |
1002 | eaa728ee | bellard | /* ensure that ADDSEG is always set in real mode */
|
1003 | eaa728ee | bellard | env->hflags |= ((pe_state ^ 1) << HF_ADDSEG_SHIFT);
|
1004 | eaa728ee | bellard | /* update FPU flags */
|
1005 | eaa728ee | bellard | env->hflags = (env->hflags & ~(HF_MP_MASK | HF_EM_MASK | HF_TS_MASK)) | |
1006 | eaa728ee | bellard | ((new_cr0 << (HF_MP_SHIFT - 1)) & (HF_MP_MASK | HF_EM_MASK | HF_TS_MASK));
|
1007 | 7e84c249 | bellard | } |
1008 | 7e84c249 | bellard | |
1009 | eaa728ee | bellard | /* XXX: in legacy PAE mode, generate a GPF if reserved bits are set in
|
1010 | eaa728ee | bellard | the PDPT */
|
1011 | eaa728ee | bellard | void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3)
|
1012 | 7e84c249 | bellard | { |
1013 | eaa728ee | bellard | env->cr[3] = new_cr3;
|
1014 | eaa728ee | bellard | if (env->cr[0] & CR0_PG_MASK) { |
1015 | eaa728ee | bellard | #if defined(DEBUG_MMU)
|
1016 | eaa728ee | bellard | printf("CR3 update: CR3=" TARGET_FMT_lx "\n", new_cr3); |
1017 | eaa728ee | bellard | #endif
|
1018 | eaa728ee | bellard | tlb_flush(env, 0);
|
1019 | eaa728ee | bellard | } |
1020 | 7e84c249 | bellard | } |
1021 | 7e84c249 | bellard | |
1022 | eaa728ee | bellard | void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4)
|
1023 | 7e84c249 | bellard | { |
1024 | eaa728ee | bellard | #if defined(DEBUG_MMU)
|
1025 | eaa728ee | bellard | printf("CR4 update: CR4=%08x\n", (uint32_t)env->cr[4]); |
1026 | eaa728ee | bellard | #endif
|
1027 | eaa728ee | bellard | if ((new_cr4 & (CR4_PGE_MASK | CR4_PAE_MASK | CR4_PSE_MASK)) !=
|
1028 | eaa728ee | bellard | (env->cr[4] & (CR4_PGE_MASK | CR4_PAE_MASK | CR4_PSE_MASK))) {
|
1029 | eaa728ee | bellard | tlb_flush(env, 1);
|
1030 | eaa728ee | bellard | } |
1031 | eaa728ee | bellard | /* SSE handling */
|
1032 | eaa728ee | bellard | if (!(env->cpuid_features & CPUID_SSE))
|
1033 | eaa728ee | bellard | new_cr4 &= ~CR4_OSFXSR_MASK; |
1034 | eaa728ee | bellard | if (new_cr4 & CR4_OSFXSR_MASK)
|
1035 | eaa728ee | bellard | env->hflags |= HF_OSFXSR_MASK; |
1036 | eaa728ee | bellard | else
|
1037 | eaa728ee | bellard | env->hflags &= ~HF_OSFXSR_MASK; |
1038 | b8b6a50b | bellard | |
1039 | eaa728ee | bellard | env->cr[4] = new_cr4;
|
1040 | b8b6a50b | bellard | } |
1041 | b8b6a50b | bellard | |
1042 | eaa728ee | bellard | #if defined(CONFIG_USER_ONLY)
|
1043 | eaa728ee | bellard | |
1044 | eaa728ee | bellard | int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
|
1045 | eaa728ee | bellard | int is_write, int mmu_idx, int is_softmmu) |
1046 | b8b6a50b | bellard | { |
1047 | eaa728ee | bellard | /* user mode only emulation */
|
1048 | eaa728ee | bellard | is_write &= 1;
|
1049 | eaa728ee | bellard | env->cr[2] = addr;
|
1050 | eaa728ee | bellard | env->error_code = (is_write << PG_ERROR_W_BIT); |
1051 | eaa728ee | bellard | env->error_code |= PG_ERROR_U_MASK; |
1052 | eaa728ee | bellard | env->exception_index = EXCP0E_PAGE; |
1053 | eaa728ee | bellard | return 1; |
1054 | 2c0262af | bellard | } |
1055 | 2c0262af | bellard | |
1056 | c227f099 | Anthony Liguori | target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) |
1057 | 891b38e4 | bellard | { |
1058 | eaa728ee | bellard | return addr;
|
1059 | 891b38e4 | bellard | } |
1060 | 891b38e4 | bellard | |
1061 | 8d7b0fbb | bellard | #else
|
1062 | 891b38e4 | bellard | |
1063 | eaa728ee | bellard | /* XXX: This value should match the one returned by CPUID
|
1064 | eaa728ee | bellard | * and in exec.c */
|
1065 | eaa728ee | bellard | # if defined(TARGET_X86_64)
|
1066 | 2c90d794 | ths | # define PHYS_ADDR_MASK 0xfffffff000LL |
1067 | eaa728ee | bellard | # else
|
1068 | 2c90d794 | ths | # define PHYS_ADDR_MASK 0xffffff000LL |
1069 | eaa728ee | bellard | # endif
|
1070 | eaa728ee | bellard | |
1071 | eaa728ee | bellard | /* return value:
|
1072 | eaa728ee | bellard | -1 = cannot handle fault
|
1073 | eaa728ee | bellard | 0 = nothing more to do
|
1074 | eaa728ee | bellard | 1 = generate PF fault
|
1075 | eaa728ee | bellard | 2 = soft MMU activation required for this block
|
1076 | eaa728ee | bellard | */
|
1077 | eaa728ee | bellard | int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
|
1078 | eaa728ee | bellard | int is_write1, int mmu_idx, int is_softmmu) |
1079 | eaa728ee | bellard | { |
1080 | eaa728ee | bellard | uint64_t ptep, pte; |
1081 | eaa728ee | bellard | target_ulong pde_addr, pte_addr; |
1082 | eaa728ee | bellard | int error_code, is_dirty, prot, page_size, ret, is_write, is_user;
|
1083 | c227f099 | Anthony Liguori | target_phys_addr_t paddr; |
1084 | eaa728ee | bellard | uint32_t page_offset; |
1085 | eaa728ee | bellard | target_ulong vaddr, virt_addr; |
1086 | eaa728ee | bellard | |
1087 | eaa728ee | bellard | is_user = mmu_idx == MMU_USER_IDX; |
1088 | eaa728ee | bellard | #if defined(DEBUG_MMU)
|
1089 | eaa728ee | bellard | printf("MMU fault: addr=" TARGET_FMT_lx " w=%d u=%d eip=" TARGET_FMT_lx "\n", |
1090 | eaa728ee | bellard | addr, is_write1, is_user, env->eip); |
1091 | eaa728ee | bellard | #endif
|
1092 | eaa728ee | bellard | is_write = is_write1 & 1;
|
1093 | eaa728ee | bellard | |
1094 | eaa728ee | bellard | if (!(env->cr[0] & CR0_PG_MASK)) { |
1095 | eaa728ee | bellard | pte = addr; |
1096 | eaa728ee | bellard | virt_addr = addr & TARGET_PAGE_MASK; |
1097 | eaa728ee | bellard | prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; |
1098 | eaa728ee | bellard | page_size = 4096;
|
1099 | eaa728ee | bellard | goto do_mapping;
|
1100 | eaa728ee | bellard | } |
1101 | eaa728ee | bellard | |
1102 | eaa728ee | bellard | if (env->cr[4] & CR4_PAE_MASK) { |
1103 | eaa728ee | bellard | uint64_t pde, pdpe; |
1104 | eaa728ee | bellard | target_ulong pdpe_addr; |
1105 | 2c0262af | bellard | |
1106 | eaa728ee | bellard | #ifdef TARGET_X86_64
|
1107 | eaa728ee | bellard | if (env->hflags & HF_LMA_MASK) {
|
1108 | eaa728ee | bellard | uint64_t pml4e_addr, pml4e; |
1109 | eaa728ee | bellard | int32_t sext; |
1110 | eaa728ee | bellard | |
1111 | eaa728ee | bellard | /* test virtual address sign extension */
|
1112 | eaa728ee | bellard | sext = (int64_t)addr >> 47;
|
1113 | eaa728ee | bellard | if (sext != 0 && sext != -1) { |
1114 | eaa728ee | bellard | env->error_code = 0;
|
1115 | eaa728ee | bellard | env->exception_index = EXCP0D_GPF; |
1116 | eaa728ee | bellard | return 1; |
1117 | eaa728ee | bellard | } |
1118 | 0573fbfc | ths | |
1119 | eaa728ee | bellard | pml4e_addr = ((env->cr[3] & ~0xfff) + (((addr >> 39) & 0x1ff) << 3)) & |
1120 | eaa728ee | bellard | env->a20_mask; |
1121 | eaa728ee | bellard | pml4e = ldq_phys(pml4e_addr); |
1122 | eaa728ee | bellard | if (!(pml4e & PG_PRESENT_MASK)) {
|
1123 | eaa728ee | bellard | error_code = 0;
|
1124 | eaa728ee | bellard | goto do_fault;
|
1125 | eaa728ee | bellard | } |
1126 | eaa728ee | bellard | if (!(env->efer & MSR_EFER_NXE) && (pml4e & PG_NX_MASK)) {
|
1127 | eaa728ee | bellard | error_code = PG_ERROR_RSVD_MASK; |
1128 | eaa728ee | bellard | goto do_fault;
|
1129 | eaa728ee | bellard | } |
1130 | eaa728ee | bellard | if (!(pml4e & PG_ACCESSED_MASK)) {
|
1131 | eaa728ee | bellard | pml4e |= PG_ACCESSED_MASK; |
1132 | eaa728ee | bellard | stl_phys_notdirty(pml4e_addr, pml4e); |
1133 | eaa728ee | bellard | } |
1134 | eaa728ee | bellard | ptep = pml4e ^ PG_NX_MASK; |
1135 | eaa728ee | bellard | pdpe_addr = ((pml4e & PHYS_ADDR_MASK) + (((addr >> 30) & 0x1ff) << 3)) & |
1136 | eaa728ee | bellard | env->a20_mask; |
1137 | eaa728ee | bellard | pdpe = ldq_phys(pdpe_addr); |
1138 | eaa728ee | bellard | if (!(pdpe & PG_PRESENT_MASK)) {
|
1139 | eaa728ee | bellard | error_code = 0;
|
1140 | eaa728ee | bellard | goto do_fault;
|
1141 | eaa728ee | bellard | } |
1142 | eaa728ee | bellard | if (!(env->efer & MSR_EFER_NXE) && (pdpe & PG_NX_MASK)) {
|
1143 | eaa728ee | bellard | error_code = PG_ERROR_RSVD_MASK; |
1144 | eaa728ee | bellard | goto do_fault;
|
1145 | eaa728ee | bellard | } |
1146 | eaa728ee | bellard | ptep &= pdpe ^ PG_NX_MASK; |
1147 | eaa728ee | bellard | if (!(pdpe & PG_ACCESSED_MASK)) {
|
1148 | eaa728ee | bellard | pdpe |= PG_ACCESSED_MASK; |
1149 | eaa728ee | bellard | stl_phys_notdirty(pdpe_addr, pdpe); |
1150 | eaa728ee | bellard | } |
1151 | eaa728ee | bellard | } else
|
1152 | eaa728ee | bellard | #endif
|
1153 | eaa728ee | bellard | { |
1154 | eaa728ee | bellard | /* XXX: load them when cr3 is loaded ? */
|
1155 | eaa728ee | bellard | pdpe_addr = ((env->cr[3] & ~0x1f) + ((addr >> 27) & 0x18)) & |
1156 | eaa728ee | bellard | env->a20_mask; |
1157 | eaa728ee | bellard | pdpe = ldq_phys(pdpe_addr); |
1158 | eaa728ee | bellard | if (!(pdpe & PG_PRESENT_MASK)) {
|
1159 | eaa728ee | bellard | error_code = 0;
|
1160 | eaa728ee | bellard | goto do_fault;
|
1161 | eaa728ee | bellard | } |
1162 | eaa728ee | bellard | ptep = PG_NX_MASK | PG_USER_MASK | PG_RW_MASK; |
1163 | 7e84c249 | bellard | } |
1164 | 7e84c249 | bellard | |
1165 | eaa728ee | bellard | pde_addr = ((pdpe & PHYS_ADDR_MASK) + (((addr >> 21) & 0x1ff) << 3)) & |
1166 | eaa728ee | bellard | env->a20_mask; |
1167 | eaa728ee | bellard | pde = ldq_phys(pde_addr); |
1168 | eaa728ee | bellard | if (!(pde & PG_PRESENT_MASK)) {
|
1169 | eaa728ee | bellard | error_code = 0;
|
1170 | eaa728ee | bellard | goto do_fault;
|
1171 | eaa728ee | bellard | } |
1172 | eaa728ee | bellard | if (!(env->efer & MSR_EFER_NXE) && (pde & PG_NX_MASK)) {
|
1173 | eaa728ee | bellard | error_code = PG_ERROR_RSVD_MASK; |
1174 | eaa728ee | bellard | goto do_fault;
|
1175 | eaa728ee | bellard | } |
1176 | eaa728ee | bellard | ptep &= pde ^ PG_NX_MASK; |
1177 | eaa728ee | bellard | if (pde & PG_PSE_MASK) {
|
1178 | eaa728ee | bellard | /* 2 MB page */
|
1179 | eaa728ee | bellard | page_size = 2048 * 1024; |
1180 | eaa728ee | bellard | ptep ^= PG_NX_MASK; |
1181 | eaa728ee | bellard | if ((ptep & PG_NX_MASK) && is_write1 == 2) |
1182 | eaa728ee | bellard | goto do_fault_protect;
|
1183 | eaa728ee | bellard | if (is_user) {
|
1184 | eaa728ee | bellard | if (!(ptep & PG_USER_MASK))
|
1185 | eaa728ee | bellard | goto do_fault_protect;
|
1186 | eaa728ee | bellard | if (is_write && !(ptep & PG_RW_MASK))
|
1187 | eaa728ee | bellard | goto do_fault_protect;
|
1188 | eaa728ee | bellard | } else {
|
1189 | eaa728ee | bellard | if ((env->cr[0] & CR0_WP_MASK) && |
1190 | eaa728ee | bellard | is_write && !(ptep & PG_RW_MASK)) |
1191 | eaa728ee | bellard | goto do_fault_protect;
|
1192 | eaa728ee | bellard | } |
1193 | eaa728ee | bellard | is_dirty = is_write && !(pde & PG_DIRTY_MASK); |
1194 | eaa728ee | bellard | if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
|
1195 | eaa728ee | bellard | pde |= PG_ACCESSED_MASK; |
1196 | eaa728ee | bellard | if (is_dirty)
|
1197 | eaa728ee | bellard | pde |= PG_DIRTY_MASK; |
1198 | eaa728ee | bellard | stl_phys_notdirty(pde_addr, pde); |
1199 | eaa728ee | bellard | } |
1200 | eaa728ee | bellard | /* align to page_size */
|
1201 | eaa728ee | bellard | pte = pde & ((PHYS_ADDR_MASK & ~(page_size - 1)) | 0xfff); |
1202 | eaa728ee | bellard | virt_addr = addr & ~(page_size - 1);
|
1203 | eaa728ee | bellard | } else {
|
1204 | eaa728ee | bellard | /* 4 KB page */
|
1205 | eaa728ee | bellard | if (!(pde & PG_ACCESSED_MASK)) {
|
1206 | eaa728ee | bellard | pde |= PG_ACCESSED_MASK; |
1207 | eaa728ee | bellard | stl_phys_notdirty(pde_addr, pde); |
1208 | eaa728ee | bellard | } |
1209 | eaa728ee | bellard | pte_addr = ((pde & PHYS_ADDR_MASK) + (((addr >> 12) & 0x1ff) << 3)) & |
1210 | eaa728ee | bellard | env->a20_mask; |
1211 | eaa728ee | bellard | pte = ldq_phys(pte_addr); |
1212 | eaa728ee | bellard | if (!(pte & PG_PRESENT_MASK)) {
|
1213 | eaa728ee | bellard | error_code = 0;
|
1214 | eaa728ee | bellard | goto do_fault;
|
1215 | eaa728ee | bellard | } |
1216 | eaa728ee | bellard | if (!(env->efer & MSR_EFER_NXE) && (pte & PG_NX_MASK)) {
|
1217 | eaa728ee | bellard | error_code = PG_ERROR_RSVD_MASK; |
1218 | eaa728ee | bellard | goto do_fault;
|
1219 | eaa728ee | bellard | } |
1220 | eaa728ee | bellard | /* combine pde and pte nx, user and rw protections */
|
1221 | eaa728ee | bellard | ptep &= pte ^ PG_NX_MASK; |
1222 | eaa728ee | bellard | ptep ^= PG_NX_MASK; |
1223 | eaa728ee | bellard | if ((ptep & PG_NX_MASK) && is_write1 == 2) |
1224 | eaa728ee | bellard | goto do_fault_protect;
|
1225 | eaa728ee | bellard | if (is_user) {
|
1226 | eaa728ee | bellard | if (!(ptep & PG_USER_MASK))
|
1227 | eaa728ee | bellard | goto do_fault_protect;
|
1228 | eaa728ee | bellard | if (is_write && !(ptep & PG_RW_MASK))
|
1229 | eaa728ee | bellard | goto do_fault_protect;
|
1230 | eaa728ee | bellard | } else {
|
1231 | eaa728ee | bellard | if ((env->cr[0] & CR0_WP_MASK) && |
1232 | eaa728ee | bellard | is_write && !(ptep & PG_RW_MASK)) |
1233 | eaa728ee | bellard | goto do_fault_protect;
|
1234 | eaa728ee | bellard | } |
1235 | eaa728ee | bellard | is_dirty = is_write && !(pte & PG_DIRTY_MASK); |
1236 | eaa728ee | bellard | if (!(pte & PG_ACCESSED_MASK) || is_dirty) {
|
1237 | eaa728ee | bellard | pte |= PG_ACCESSED_MASK; |
1238 | eaa728ee | bellard | if (is_dirty)
|
1239 | eaa728ee | bellard | pte |= PG_DIRTY_MASK; |
1240 | eaa728ee | bellard | stl_phys_notdirty(pte_addr, pte); |
1241 | eaa728ee | bellard | } |
1242 | eaa728ee | bellard | page_size = 4096;
|
1243 | eaa728ee | bellard | virt_addr = addr & ~0xfff;
|
1244 | eaa728ee | bellard | pte = pte & (PHYS_ADDR_MASK | 0xfff);
|
1245 | 7e84c249 | bellard | } |
1246 | 2c0262af | bellard | } else {
|
1247 | eaa728ee | bellard | uint32_t pde; |
1248 | eaa728ee | bellard | |
1249 | eaa728ee | bellard | /* page directory entry */
|
1250 | eaa728ee | bellard | pde_addr = ((env->cr[3] & ~0xfff) + ((addr >> 20) & 0xffc)) & |
1251 | eaa728ee | bellard | env->a20_mask; |
1252 | eaa728ee | bellard | pde = ldl_phys(pde_addr); |
1253 | eaa728ee | bellard | if (!(pde & PG_PRESENT_MASK)) {
|
1254 | eaa728ee | bellard | error_code = 0;
|
1255 | eaa728ee | bellard | goto do_fault;
|
1256 | eaa728ee | bellard | } |
1257 | eaa728ee | bellard | /* if PSE bit is set, then we use a 4MB page */
|
1258 | eaa728ee | bellard | if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) { |
1259 | eaa728ee | bellard | page_size = 4096 * 1024; |
1260 | eaa728ee | bellard | if (is_user) {
|
1261 | eaa728ee | bellard | if (!(pde & PG_USER_MASK))
|
1262 | eaa728ee | bellard | goto do_fault_protect;
|
1263 | eaa728ee | bellard | if (is_write && !(pde & PG_RW_MASK))
|
1264 | eaa728ee | bellard | goto do_fault_protect;
|
1265 | eaa728ee | bellard | } else {
|
1266 | eaa728ee | bellard | if ((env->cr[0] & CR0_WP_MASK) && |
1267 | eaa728ee | bellard | is_write && !(pde & PG_RW_MASK)) |
1268 | eaa728ee | bellard | goto do_fault_protect;
|
1269 | eaa728ee | bellard | } |
1270 | eaa728ee | bellard | is_dirty = is_write && !(pde & PG_DIRTY_MASK); |
1271 | eaa728ee | bellard | if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
|
1272 | eaa728ee | bellard | pde |= PG_ACCESSED_MASK; |
1273 | eaa728ee | bellard | if (is_dirty)
|
1274 | eaa728ee | bellard | pde |= PG_DIRTY_MASK; |
1275 | eaa728ee | bellard | stl_phys_notdirty(pde_addr, pde); |
1276 | eaa728ee | bellard | } |
1277 | 2c0262af | bellard | |
1278 | eaa728ee | bellard | pte = pde & ~( (page_size - 1) & ~0xfff); /* align to page_size */ |
1279 | eaa728ee | bellard | ptep = pte; |
1280 | eaa728ee | bellard | virt_addr = addr & ~(page_size - 1);
|
1281 | eaa728ee | bellard | } else {
|
1282 | eaa728ee | bellard | if (!(pde & PG_ACCESSED_MASK)) {
|
1283 | eaa728ee | bellard | pde |= PG_ACCESSED_MASK; |
1284 | eaa728ee | bellard | stl_phys_notdirty(pde_addr, pde); |
1285 | eaa728ee | bellard | } |
1286 | 891b38e4 | bellard | |
1287 | eaa728ee | bellard | /* page directory entry */
|
1288 | eaa728ee | bellard | pte_addr = ((pde & ~0xfff) + ((addr >> 10) & 0xffc)) & |
1289 | eaa728ee | bellard | env->a20_mask; |
1290 | eaa728ee | bellard | pte = ldl_phys(pte_addr); |
1291 | eaa728ee | bellard | if (!(pte & PG_PRESENT_MASK)) {
|
1292 | eaa728ee | bellard | error_code = 0;
|
1293 | eaa728ee | bellard | goto do_fault;
|
1294 | 8e682019 | bellard | } |
1295 | eaa728ee | bellard | /* combine pde and pte user and rw protections */
|
1296 | eaa728ee | bellard | ptep = pte & pde; |
1297 | eaa728ee | bellard | if (is_user) {
|
1298 | eaa728ee | bellard | if (!(ptep & PG_USER_MASK))
|
1299 | eaa728ee | bellard | goto do_fault_protect;
|
1300 | eaa728ee | bellard | if (is_write && !(ptep & PG_RW_MASK))
|
1301 | eaa728ee | bellard | goto do_fault_protect;
|
1302 | eaa728ee | bellard | } else {
|
1303 | eaa728ee | bellard | if ((env->cr[0] & CR0_WP_MASK) && |
1304 | eaa728ee | bellard | is_write && !(ptep & PG_RW_MASK)) |
1305 | eaa728ee | bellard | goto do_fault_protect;
|
1306 | 8e682019 | bellard | } |
1307 | eaa728ee | bellard | is_dirty = is_write && !(pte & PG_DIRTY_MASK); |
1308 | eaa728ee | bellard | if (!(pte & PG_ACCESSED_MASK) || is_dirty) {
|
1309 | eaa728ee | bellard | pte |= PG_ACCESSED_MASK; |
1310 | eaa728ee | bellard | if (is_dirty)
|
1311 | eaa728ee | bellard | pte |= PG_DIRTY_MASK; |
1312 | eaa728ee | bellard | stl_phys_notdirty(pte_addr, pte); |
1313 | eaa728ee | bellard | } |
1314 | eaa728ee | bellard | page_size = 4096;
|
1315 | eaa728ee | bellard | virt_addr = addr & ~0xfff;
|
1316 | 2c0262af | bellard | } |
1317 | 2c0262af | bellard | } |
1318 | eaa728ee | bellard | /* the page can be put in the TLB */
|
1319 | eaa728ee | bellard | prot = PAGE_READ; |
1320 | eaa728ee | bellard | if (!(ptep & PG_NX_MASK))
|
1321 | eaa728ee | bellard | prot |= PAGE_EXEC; |
1322 | eaa728ee | bellard | if (pte & PG_DIRTY_MASK) {
|
1323 | eaa728ee | bellard | /* only set write access if already dirty... otherwise wait
|
1324 | eaa728ee | bellard | for dirty access */
|
1325 | eaa728ee | bellard | if (is_user) {
|
1326 | eaa728ee | bellard | if (ptep & PG_RW_MASK)
|
1327 | eaa728ee | bellard | prot |= PAGE_WRITE; |
1328 | eaa728ee | bellard | } else {
|
1329 | eaa728ee | bellard | if (!(env->cr[0] & CR0_WP_MASK) || |
1330 | eaa728ee | bellard | (ptep & PG_RW_MASK)) |
1331 | eaa728ee | bellard | prot |= PAGE_WRITE; |
1332 | 8e682019 | bellard | } |
1333 | 891b38e4 | bellard | } |
1334 | eaa728ee | bellard | do_mapping:
|
1335 | eaa728ee | bellard | pte = pte & env->a20_mask; |
1336 | eaa728ee | bellard | |
1337 | eaa728ee | bellard | /* Even if 4MB pages, we map only one 4KB page in the cache to
|
1338 | eaa728ee | bellard | avoid filling it too fast */
|
1339 | eaa728ee | bellard | page_offset = (addr & TARGET_PAGE_MASK) & (page_size - 1);
|
1340 | eaa728ee | bellard | paddr = (pte & TARGET_PAGE_MASK) + page_offset; |
1341 | eaa728ee | bellard | vaddr = virt_addr + page_offset; |
1342 | eaa728ee | bellard | |
1343 | eaa728ee | bellard | ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu); |
1344 | eaa728ee | bellard | return ret;
|
1345 | eaa728ee | bellard | do_fault_protect:
|
1346 | eaa728ee | bellard | error_code = PG_ERROR_P_MASK; |
1347 | eaa728ee | bellard | do_fault:
|
1348 | eaa728ee | bellard | error_code |= (is_write << PG_ERROR_W_BIT); |
1349 | eaa728ee | bellard | if (is_user)
|
1350 | eaa728ee | bellard | error_code |= PG_ERROR_U_MASK; |
1351 | eaa728ee | bellard | if (is_write1 == 2 && |
1352 | eaa728ee | bellard | (env->efer & MSR_EFER_NXE) && |
1353 | eaa728ee | bellard | (env->cr[4] & CR4_PAE_MASK))
|
1354 | eaa728ee | bellard | error_code |= PG_ERROR_I_D_MASK; |
1355 | 872929aa | bellard | if (env->intercept_exceptions & (1 << EXCP0E_PAGE)) { |
1356 | 872929aa | bellard | /* cr2 is not modified in case of exceptions */
|
1357 | 872929aa | bellard | stq_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_info_2),
|
1358 | 872929aa | bellard | addr); |
1359 | eaa728ee | bellard | } else {
|
1360 | eaa728ee | bellard | env->cr[2] = addr;
|
1361 | 2c0262af | bellard | } |
1362 | eaa728ee | bellard | env->error_code = error_code; |
1363 | eaa728ee | bellard | env->exception_index = EXCP0E_PAGE; |
1364 | eaa728ee | bellard | return 1; |
1365 | 14ce26e7 | bellard | } |
1366 | 14ce26e7 | bellard | |
1367 | c227f099 | Anthony Liguori | target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) |
1368 | 14ce26e7 | bellard | { |
1369 | eaa728ee | bellard | target_ulong pde_addr, pte_addr; |
1370 | eaa728ee | bellard | uint64_t pte; |
1371 | c227f099 | Anthony Liguori | target_phys_addr_t paddr; |
1372 | eaa728ee | bellard | uint32_t page_offset; |
1373 | eaa728ee | bellard | int page_size;
|
1374 | 14ce26e7 | bellard | |
1375 | eaa728ee | bellard | if (env->cr[4] & CR4_PAE_MASK) { |
1376 | eaa728ee | bellard | target_ulong pdpe_addr; |
1377 | eaa728ee | bellard | uint64_t pde, pdpe; |
1378 | 14ce26e7 | bellard | |
1379 | eaa728ee | bellard | #ifdef TARGET_X86_64
|
1380 | eaa728ee | bellard | if (env->hflags & HF_LMA_MASK) {
|
1381 | eaa728ee | bellard | uint64_t pml4e_addr, pml4e; |
1382 | eaa728ee | bellard | int32_t sext; |
1383 | eaa728ee | bellard | |
1384 | eaa728ee | bellard | /* test virtual address sign extension */
|
1385 | eaa728ee | bellard | sext = (int64_t)addr >> 47;
|
1386 | eaa728ee | bellard | if (sext != 0 && sext != -1) |
1387 | eaa728ee | bellard | return -1; |
1388 | eaa728ee | bellard | |
1389 | eaa728ee | bellard | pml4e_addr = ((env->cr[3] & ~0xfff) + (((addr >> 39) & 0x1ff) << 3)) & |
1390 | eaa728ee | bellard | env->a20_mask; |
1391 | eaa728ee | bellard | pml4e = ldq_phys(pml4e_addr); |
1392 | eaa728ee | bellard | if (!(pml4e & PG_PRESENT_MASK))
|
1393 | eaa728ee | bellard | return -1; |
1394 | eaa728ee | bellard | |
1395 | eaa728ee | bellard | pdpe_addr = ((pml4e & ~0xfff) + (((addr >> 30) & 0x1ff) << 3)) & |
1396 | eaa728ee | bellard | env->a20_mask; |
1397 | eaa728ee | bellard | pdpe = ldq_phys(pdpe_addr); |
1398 | eaa728ee | bellard | if (!(pdpe & PG_PRESENT_MASK))
|
1399 | eaa728ee | bellard | return -1; |
1400 | eaa728ee | bellard | } else
|
1401 | eaa728ee | bellard | #endif
|
1402 | eaa728ee | bellard | { |
1403 | eaa728ee | bellard | pdpe_addr = ((env->cr[3] & ~0x1f) + ((addr >> 27) & 0x18)) & |
1404 | eaa728ee | bellard | env->a20_mask; |
1405 | eaa728ee | bellard | pdpe = ldq_phys(pdpe_addr); |
1406 | eaa728ee | bellard | if (!(pdpe & PG_PRESENT_MASK))
|
1407 | eaa728ee | bellard | return -1; |
1408 | 14ce26e7 | bellard | } |
1409 | 14ce26e7 | bellard | |
1410 | eaa728ee | bellard | pde_addr = ((pdpe & ~0xfff) + (((addr >> 21) & 0x1ff) << 3)) & |
1411 | eaa728ee | bellard | env->a20_mask; |
1412 | eaa728ee | bellard | pde = ldq_phys(pde_addr); |
1413 | eaa728ee | bellard | if (!(pde & PG_PRESENT_MASK)) {
|
1414 | eaa728ee | bellard | return -1; |
1415 | eaa728ee | bellard | } |
1416 | eaa728ee | bellard | if (pde & PG_PSE_MASK) {
|
1417 | eaa728ee | bellard | /* 2 MB page */
|
1418 | eaa728ee | bellard | page_size = 2048 * 1024; |
1419 | eaa728ee | bellard | pte = pde & ~( (page_size - 1) & ~0xfff); /* align to page_size */ |
1420 | eaa728ee | bellard | } else {
|
1421 | eaa728ee | bellard | /* 4 KB page */
|
1422 | eaa728ee | bellard | pte_addr = ((pde & ~0xfff) + (((addr >> 12) & 0x1ff) << 3)) & |
1423 | eaa728ee | bellard | env->a20_mask; |
1424 | eaa728ee | bellard | page_size = 4096;
|
1425 | eaa728ee | bellard | pte = ldq_phys(pte_addr); |
1426 | eaa728ee | bellard | } |
1427 | ca1c9e15 | aliguori | if (!(pte & PG_PRESENT_MASK))
|
1428 | ca1c9e15 | aliguori | return -1; |
1429 | 14ce26e7 | bellard | } else {
|
1430 | eaa728ee | bellard | uint32_t pde; |
1431 | 3b46e624 | ths | |
1432 | eaa728ee | bellard | if (!(env->cr[0] & CR0_PG_MASK)) { |
1433 | eaa728ee | bellard | pte = addr; |
1434 | eaa728ee | bellard | page_size = 4096;
|
1435 | eaa728ee | bellard | } else {
|
1436 | eaa728ee | bellard | /* page directory entry */
|
1437 | eaa728ee | bellard | pde_addr = ((env->cr[3] & ~0xfff) + ((addr >> 20) & 0xffc)) & env->a20_mask; |
1438 | eaa728ee | bellard | pde = ldl_phys(pde_addr); |
1439 | eaa728ee | bellard | if (!(pde & PG_PRESENT_MASK))
|
1440 | eaa728ee | bellard | return -1; |
1441 | eaa728ee | bellard | if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) { |
1442 | eaa728ee | bellard | pte = pde & ~0x003ff000; /* align to 4MB */ |
1443 | eaa728ee | bellard | page_size = 4096 * 1024; |
1444 | eaa728ee | bellard | } else {
|
1445 | eaa728ee | bellard | /* page directory entry */
|
1446 | eaa728ee | bellard | pte_addr = ((pde & ~0xfff) + ((addr >> 10) & 0xffc)) & env->a20_mask; |
1447 | eaa728ee | bellard | pte = ldl_phys(pte_addr); |
1448 | eaa728ee | bellard | if (!(pte & PG_PRESENT_MASK))
|
1449 | eaa728ee | bellard | return -1; |
1450 | eaa728ee | bellard | page_size = 4096;
|
1451 | eaa728ee | bellard | } |
1452 | eaa728ee | bellard | } |
1453 | eaa728ee | bellard | pte = pte & env->a20_mask; |
1454 | 14ce26e7 | bellard | } |
1455 | 14ce26e7 | bellard | |
1456 | eaa728ee | bellard | page_offset = (addr & TARGET_PAGE_MASK) & (page_size - 1);
|
1457 | eaa728ee | bellard | paddr = (pte & TARGET_PAGE_MASK) + page_offset; |
1458 | eaa728ee | bellard | return paddr;
|
1459 | 3b21e03e | bellard | } |
1460 | 01df040b | aliguori | |
1461 | 01df040b | aliguori | void hw_breakpoint_insert(CPUState *env, int index) |
1462 | 01df040b | aliguori | { |
1463 | 01df040b | aliguori | int type, err = 0; |
1464 | 01df040b | aliguori | |
1465 | 01df040b | aliguori | switch (hw_breakpoint_type(env->dr[7], index)) { |
1466 | 01df040b | aliguori | case 0: |
1467 | 01df040b | aliguori | if (hw_breakpoint_enabled(env->dr[7], index)) |
1468 | 01df040b | aliguori | err = cpu_breakpoint_insert(env, env->dr[index], BP_CPU, |
1469 | 01df040b | aliguori | &env->cpu_breakpoint[index]); |
1470 | 01df040b | aliguori | break;
|
1471 | 01df040b | aliguori | case 1: |
1472 | 01df040b | aliguori | type = BP_CPU | BP_MEM_WRITE; |
1473 | 01df040b | aliguori | goto insert_wp;
|
1474 | 01df040b | aliguori | case 2: |
1475 | 01df040b | aliguori | /* No support for I/O watchpoints yet */
|
1476 | 01df040b | aliguori | break;
|
1477 | 01df040b | aliguori | case 3: |
1478 | 01df040b | aliguori | type = BP_CPU | BP_MEM_ACCESS; |
1479 | 01df040b | aliguori | insert_wp:
|
1480 | 01df040b | aliguori | err = cpu_watchpoint_insert(env, env->dr[index], |
1481 | 01df040b | aliguori | hw_breakpoint_len(env->dr[7], index),
|
1482 | 01df040b | aliguori | type, &env->cpu_watchpoint[index]); |
1483 | 01df040b | aliguori | break;
|
1484 | 01df040b | aliguori | } |
1485 | 01df040b | aliguori | if (err)
|
1486 | 01df040b | aliguori | env->cpu_breakpoint[index] = NULL;
|
1487 | 01df040b | aliguori | } |
1488 | 01df040b | aliguori | |
1489 | 01df040b | aliguori | void hw_breakpoint_remove(CPUState *env, int index) |
1490 | 01df040b | aliguori | { |
1491 | 01df040b | aliguori | if (!env->cpu_breakpoint[index])
|
1492 | 01df040b | aliguori | return;
|
1493 | 01df040b | aliguori | switch (hw_breakpoint_type(env->dr[7], index)) { |
1494 | 01df040b | aliguori | case 0: |
1495 | 01df040b | aliguori | if (hw_breakpoint_enabled(env->dr[7], index)) |
1496 | 01df040b | aliguori | cpu_breakpoint_remove_by_ref(env, env->cpu_breakpoint[index]); |
1497 | 01df040b | aliguori | break;
|
1498 | 01df040b | aliguori | case 1: |
1499 | 01df040b | aliguori | case 3: |
1500 | 01df040b | aliguori | cpu_watchpoint_remove_by_ref(env, env->cpu_watchpoint[index]); |
1501 | 01df040b | aliguori | break;
|
1502 | 01df040b | aliguori | case 2: |
1503 | 01df040b | aliguori | /* No support for I/O watchpoints yet */
|
1504 | 01df040b | aliguori | break;
|
1505 | 01df040b | aliguori | } |
1506 | 01df040b | aliguori | } |
1507 | 01df040b | aliguori | |
1508 | 01df040b | aliguori | int check_hw_breakpoints(CPUState *env, int force_dr6_update) |
1509 | 01df040b | aliguori | { |
1510 | 01df040b | aliguori | target_ulong dr6; |
1511 | 01df040b | aliguori | int reg, type;
|
1512 | 01df040b | aliguori | int hit_enabled = 0; |
1513 | 01df040b | aliguori | |
1514 | 01df040b | aliguori | dr6 = env->dr[6] & ~0xf; |
1515 | 01df040b | aliguori | for (reg = 0; reg < 4; reg++) { |
1516 | 01df040b | aliguori | type = hw_breakpoint_type(env->dr[7], reg);
|
1517 | 01df040b | aliguori | if ((type == 0 && env->dr[reg] == env->eip) || |
1518 | 01df040b | aliguori | ((type & 1) && env->cpu_watchpoint[reg] &&
|
1519 | 01df040b | aliguori | (env->cpu_watchpoint[reg]->flags & BP_WATCHPOINT_HIT))) { |
1520 | 01df040b | aliguori | dr6 |= 1 << reg;
|
1521 | 01df040b | aliguori | if (hw_breakpoint_enabled(env->dr[7], reg)) |
1522 | 01df040b | aliguori | hit_enabled = 1;
|
1523 | 01df040b | aliguori | } |
1524 | 01df040b | aliguori | } |
1525 | 01df040b | aliguori | if (hit_enabled || force_dr6_update)
|
1526 | 01df040b | aliguori | env->dr[6] = dr6;
|
1527 | 01df040b | aliguori | return hit_enabled;
|
1528 | 01df040b | aliguori | } |
1529 | 01df040b | aliguori | |
1530 | 01df040b | aliguori | static CPUDebugExcpHandler *prev_debug_excp_handler;
|
1531 | 01df040b | aliguori | |
1532 | 01df040b | aliguori | void raise_exception(int exception_index); |
1533 | 01df040b | aliguori | |
1534 | 01df040b | aliguori | static void breakpoint_handler(CPUState *env) |
1535 | 01df040b | aliguori | { |
1536 | 01df040b | aliguori | CPUBreakpoint *bp; |
1537 | 01df040b | aliguori | |
1538 | 01df040b | aliguori | if (env->watchpoint_hit) {
|
1539 | 01df040b | aliguori | if (env->watchpoint_hit->flags & BP_CPU) {
|
1540 | 01df040b | aliguori | env->watchpoint_hit = NULL;
|
1541 | 01df040b | aliguori | if (check_hw_breakpoints(env, 0)) |
1542 | 01df040b | aliguori | raise_exception(EXCP01_DB); |
1543 | 01df040b | aliguori | else
|
1544 | 01df040b | aliguori | cpu_resume_from_signal(env, NULL);
|
1545 | 01df040b | aliguori | } |
1546 | 01df040b | aliguori | } else {
|
1547 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(bp, &env->breakpoints, entry) |
1548 | 01df040b | aliguori | if (bp->pc == env->eip) {
|
1549 | 01df040b | aliguori | if (bp->flags & BP_CPU) {
|
1550 | 01df040b | aliguori | check_hw_breakpoints(env, 1);
|
1551 | 01df040b | aliguori | raise_exception(EXCP01_DB); |
1552 | 01df040b | aliguori | } |
1553 | 01df040b | aliguori | break;
|
1554 | 01df040b | aliguori | } |
1555 | 01df040b | aliguori | } |
1556 | 01df040b | aliguori | if (prev_debug_excp_handler)
|
1557 | 01df040b | aliguori | prev_debug_excp_handler(env); |
1558 | 01df040b | aliguori | } |
1559 | 79c4f6b0 | Huang Ying | |
1560 | 79c4f6b0 | Huang Ying | /* This should come from sysemu.h - if we could include it here... */
|
1561 | 79c4f6b0 | Huang Ying | void qemu_system_reset_request(void); |
1562 | 79c4f6b0 | Huang Ying | |
1563 | 79c4f6b0 | Huang Ying | void cpu_inject_x86_mce(CPUState *cenv, int bank, uint64_t status, |
1564 | 79c4f6b0 | Huang Ying | uint64_t mcg_status, uint64_t addr, uint64_t misc) |
1565 | 79c4f6b0 | Huang Ying | { |
1566 | 79c4f6b0 | Huang Ying | uint64_t mcg_cap = cenv->mcg_cap; |
1567 | 79c4f6b0 | Huang Ying | unsigned bank_num = mcg_cap & 0xff; |
1568 | 79c4f6b0 | Huang Ying | uint64_t *banks = cenv->mce_banks; |
1569 | 79c4f6b0 | Huang Ying | |
1570 | 79c4f6b0 | Huang Ying | if (bank >= bank_num || !(status & MCI_STATUS_VAL))
|
1571 | 79c4f6b0 | Huang Ying | return;
|
1572 | 79c4f6b0 | Huang Ying | |
1573 | 79c4f6b0 | Huang Ying | /*
|
1574 | 79c4f6b0 | Huang Ying | * if MSR_MCG_CTL is not all 1s, the uncorrected error
|
1575 | 79c4f6b0 | Huang Ying | * reporting is disabled
|
1576 | 79c4f6b0 | Huang Ying | */
|
1577 | 79c4f6b0 | Huang Ying | if ((status & MCI_STATUS_UC) && (mcg_cap & MCG_CTL_P) &&
|
1578 | 79c4f6b0 | Huang Ying | cenv->mcg_ctl != ~(uint64_t)0)
|
1579 | 79c4f6b0 | Huang Ying | return;
|
1580 | 79c4f6b0 | Huang Ying | banks += 4 * bank;
|
1581 | 79c4f6b0 | Huang Ying | /*
|
1582 | 79c4f6b0 | Huang Ying | * if MSR_MCi_CTL is not all 1s, the uncorrected error
|
1583 | 79c4f6b0 | Huang Ying | * reporting is disabled for the bank
|
1584 | 79c4f6b0 | Huang Ying | */
|
1585 | 79c4f6b0 | Huang Ying | if ((status & MCI_STATUS_UC) && banks[0] != ~(uint64_t)0) |
1586 | 79c4f6b0 | Huang Ying | return;
|
1587 | 79c4f6b0 | Huang Ying | if (status & MCI_STATUS_UC) {
|
1588 | 79c4f6b0 | Huang Ying | if ((cenv->mcg_status & MCG_STATUS_MCIP) ||
|
1589 | 79c4f6b0 | Huang Ying | !(cenv->cr[4] & CR4_MCE_MASK)) {
|
1590 | 79c4f6b0 | Huang Ying | fprintf(stderr, "injects mce exception while previous "
|
1591 | 79c4f6b0 | Huang Ying | "one is in progress!\n");
|
1592 | 79c4f6b0 | Huang Ying | qemu_log_mask(CPU_LOG_RESET, "Triple fault\n");
|
1593 | 79c4f6b0 | Huang Ying | qemu_system_reset_request(); |
1594 | 79c4f6b0 | Huang Ying | return;
|
1595 | 79c4f6b0 | Huang Ying | } |
1596 | 79c4f6b0 | Huang Ying | if (banks[1] & MCI_STATUS_VAL) |
1597 | 79c4f6b0 | Huang Ying | status |= MCI_STATUS_OVER; |
1598 | 79c4f6b0 | Huang Ying | banks[2] = addr;
|
1599 | 79c4f6b0 | Huang Ying | banks[3] = misc;
|
1600 | 79c4f6b0 | Huang Ying | cenv->mcg_status = mcg_status; |
1601 | 79c4f6b0 | Huang Ying | banks[1] = status;
|
1602 | 79c4f6b0 | Huang Ying | cpu_interrupt(cenv, CPU_INTERRUPT_MCE); |
1603 | 79c4f6b0 | Huang Ying | } else if (!(banks[1] & MCI_STATUS_VAL) |
1604 | 79c4f6b0 | Huang Ying | || !(banks[1] & MCI_STATUS_UC)) {
|
1605 | 79c4f6b0 | Huang Ying | if (banks[1] & MCI_STATUS_VAL) |
1606 | 79c4f6b0 | Huang Ying | status |= MCI_STATUS_OVER; |
1607 | 79c4f6b0 | Huang Ying | banks[2] = addr;
|
1608 | 79c4f6b0 | Huang Ying | banks[3] = misc;
|
1609 | 79c4f6b0 | Huang Ying | banks[1] = status;
|
1610 | 79c4f6b0 | Huang Ying | } else
|
1611 | 79c4f6b0 | Huang Ying | banks[1] |= MCI_STATUS_OVER;
|
1612 | 79c4f6b0 | Huang Ying | } |
1613 | 74ce674f | bellard | #endif /* !CONFIG_USER_ONLY */ |
1614 | 6fd805e1 | aliguori | |
1615 | 79c4f6b0 | Huang Ying | static void mce_init(CPUX86State *cenv) |
1616 | 79c4f6b0 | Huang Ying | { |
1617 | 79c4f6b0 | Huang Ying | unsigned int bank, bank_num; |
1618 | 79c4f6b0 | Huang Ying | |
1619 | 79c4f6b0 | Huang Ying | if (((cenv->cpuid_version >> 8)&0xf) >= 6 |
1620 | 79c4f6b0 | Huang Ying | && (cenv->cpuid_features&(CPUID_MCE|CPUID_MCA)) == (CPUID_MCE|CPUID_MCA)) { |
1621 | 79c4f6b0 | Huang Ying | cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF; |
1622 | 79c4f6b0 | Huang Ying | cenv->mcg_ctl = ~(uint64_t)0;
|
1623 | ac74d0f1 | Juan Quintela | bank_num = MCE_BANKS_DEF; |
1624 | 79c4f6b0 | Huang Ying | for (bank = 0; bank < bank_num; bank++) |
1625 | 79c4f6b0 | Huang Ying | cenv->mce_banks[bank*4] = ~(uint64_t)0; |
1626 | 79c4f6b0 | Huang Ying | } |
1627 | 79c4f6b0 | Huang Ying | } |
1628 | 79c4f6b0 | Huang Ying | |
1629 | e00b6f80 | aliguori | static void host_cpuid(uint32_t function, uint32_t count, |
1630 | e00b6f80 | aliguori | uint32_t *eax, uint32_t *ebx, |
1631 | 7ba1e619 | aliguori | uint32_t *ecx, uint32_t *edx) |
1632 | 7ba1e619 | aliguori | { |
1633 | 10781c09 | aliguori | #if defined(CONFIG_KVM)
|
1634 | 7ba1e619 | aliguori | uint32_t vec[4];
|
1635 | 7ba1e619 | aliguori | |
1636 | 7ba1e619 | aliguori | #ifdef __x86_64__
|
1637 | 7ba1e619 | aliguori | asm volatile("cpuid" |
1638 | e00b6f80 | aliguori | : "=a"(vec[0]), "=b"(vec[1]), |
1639 | e00b6f80 | aliguori | "=c"(vec[2]), "=d"(vec[3]) |
1640 | e00b6f80 | aliguori | : "0"(function), "c"(count) : "cc"); |
1641 | 7ba1e619 | aliguori | #else
|
1642 | 7ba1e619 | aliguori | asm volatile("pusha \n\t" |
1643 | e00b6f80 | aliguori | "cpuid \n\t"
|
1644 | b36d24b6 | aliguori | "mov %%eax, 0(%2) \n\t"
|
1645 | b36d24b6 | aliguori | "mov %%ebx, 4(%2) \n\t"
|
1646 | b36d24b6 | aliguori | "mov %%ecx, 8(%2) \n\t"
|
1647 | b36d24b6 | aliguori | "mov %%edx, 12(%2) \n\t"
|
1648 | e00b6f80 | aliguori | "popa"
|
1649 | e00b6f80 | aliguori | : : "a"(function), "c"(count), "S"(vec) |
1650 | e00b6f80 | aliguori | : "memory", "cc"); |
1651 | 7ba1e619 | aliguori | #endif
|
1652 | 7ba1e619 | aliguori | |
1653 | 7ba1e619 | aliguori | if (eax)
|
1654 | 7ba1e619 | aliguori | *eax = vec[0];
|
1655 | 7ba1e619 | aliguori | if (ebx)
|
1656 | 7ba1e619 | aliguori | *ebx = vec[1];
|
1657 | 7ba1e619 | aliguori | if (ecx)
|
1658 | 7ba1e619 | aliguori | *ecx = vec[2];
|
1659 | 7ba1e619 | aliguori | if (edx)
|
1660 | 7ba1e619 | aliguori | *edx = vec[3];
|
1661 | 7ba1e619 | aliguori | #endif
|
1662 | 10781c09 | aliguori | } |
1663 | 7ba1e619 | aliguori | |
1664 | 6d9fef1a | Andre Przywara | static void get_cpuid_vendor(CPUX86State *env, uint32_t *ebx, |
1665 | 6d9fef1a | Andre Przywara | uint32_t *ecx, uint32_t *edx) |
1666 | 6d9fef1a | Andre Przywara | { |
1667 | 6d9fef1a | Andre Przywara | *ebx = env->cpuid_vendor1; |
1668 | 6d9fef1a | Andre Przywara | *edx = env->cpuid_vendor2; |
1669 | 6d9fef1a | Andre Przywara | *ecx = env->cpuid_vendor3; |
1670 | 6d9fef1a | Andre Przywara | |
1671 | 6d9fef1a | Andre Przywara | /* sysenter isn't supported on compatibility mode on AMD, syscall
|
1672 | 6d9fef1a | Andre Przywara | * isn't supported in compatibility mode on Intel.
|
1673 | 6d9fef1a | Andre Przywara | * Normally we advertise the actual cpu vendor, but you can override
|
1674 | 6d9fef1a | Andre Przywara | * this if you want to use KVM's sysenter/syscall emulation
|
1675 | 6d9fef1a | Andre Przywara | * in compatibility mode and when doing cross vendor migration
|
1676 | 6d9fef1a | Andre Przywara | */
|
1677 | 6d9fef1a | Andre Przywara | if (kvm_enabled() && env->cpuid_vendor_override) {
|
1678 | 6d9fef1a | Andre Przywara | host_cpuid(0, 0, NULL, ebx, ecx, edx); |
1679 | 6d9fef1a | Andre Przywara | } |
1680 | 6d9fef1a | Andre Przywara | } |
1681 | 6d9fef1a | Andre Przywara | |
1682 | e00b6f80 | aliguori | void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
|
1683 | 6fd805e1 | aliguori | uint32_t *eax, uint32_t *ebx, |
1684 | 6fd805e1 | aliguori | uint32_t *ecx, uint32_t *edx) |
1685 | 6fd805e1 | aliguori | { |
1686 | 6fd805e1 | aliguori | /* test if maximum index reached */
|
1687 | 6fd805e1 | aliguori | if (index & 0x80000000) { |
1688 | 6fd805e1 | aliguori | if (index > env->cpuid_xlevel)
|
1689 | 6fd805e1 | aliguori | index = env->cpuid_level; |
1690 | 6fd805e1 | aliguori | } else {
|
1691 | 6fd805e1 | aliguori | if (index > env->cpuid_level)
|
1692 | 6fd805e1 | aliguori | index = env->cpuid_level; |
1693 | 6fd805e1 | aliguori | } |
1694 | 6fd805e1 | aliguori | |
1695 | 6fd805e1 | aliguori | switch(index) {
|
1696 | 6fd805e1 | aliguori | case 0: |
1697 | 6fd805e1 | aliguori | *eax = env->cpuid_level; |
1698 | 6d9fef1a | Andre Przywara | get_cpuid_vendor(env, ebx, ecx, edx); |
1699 | 6fd805e1 | aliguori | break;
|
1700 | 6fd805e1 | aliguori | case 1: |
1701 | 6fd805e1 | aliguori | *eax = env->cpuid_version; |
1702 | 6fd805e1 | aliguori | *ebx = (env->cpuid_apic_id << 24) | 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */ |
1703 | 6fd805e1 | aliguori | *ecx = env->cpuid_ext_features; |
1704 | 6fd805e1 | aliguori | *edx = env->cpuid_features; |
1705 | 400281af | Andre Przywara | if (env->nr_cores * env->nr_threads > 1) { |
1706 | 400281af | Andre Przywara | *ebx |= (env->nr_cores * env->nr_threads) << 16;
|
1707 | 400281af | Andre Przywara | *edx |= 1 << 28; /* HTT bit */ |
1708 | 400281af | Andre Przywara | } |
1709 | 6fd805e1 | aliguori | break;
|
1710 | 6fd805e1 | aliguori | case 2: |
1711 | 6fd805e1 | aliguori | /* cache info: needed for Pentium Pro compatibility */
|
1712 | 6fd805e1 | aliguori | *eax = 1;
|
1713 | 6fd805e1 | aliguori | *ebx = 0;
|
1714 | 6fd805e1 | aliguori | *ecx = 0;
|
1715 | 6fd805e1 | aliguori | *edx = 0x2c307d;
|
1716 | 6fd805e1 | aliguori | break;
|
1717 | 6fd805e1 | aliguori | case 4: |
1718 | 6fd805e1 | aliguori | /* cache info: needed for Core compatibility */
|
1719 | 400281af | Andre Przywara | if (env->nr_cores > 1) { |
1720 | 400281af | Andre Przywara | *eax = (env->nr_cores - 1) << 26; |
1721 | 400281af | Andre Przywara | } else {
|
1722 | 400281af | Andre Przywara | *eax = 0;
|
1723 | 400281af | Andre Przywara | } |
1724 | e00b6f80 | aliguori | switch (count) {
|
1725 | 6fd805e1 | aliguori | case 0: /* L1 dcache info */ |
1726 | 400281af | Andre Przywara | *eax |= 0x0000121;
|
1727 | 6fd805e1 | aliguori | *ebx = 0x1c0003f;
|
1728 | 6fd805e1 | aliguori | *ecx = 0x000003f;
|
1729 | 6fd805e1 | aliguori | *edx = 0x0000001;
|
1730 | 6fd805e1 | aliguori | break;
|
1731 | 6fd805e1 | aliguori | case 1: /* L1 icache info */ |
1732 | 400281af | Andre Przywara | *eax |= 0x0000122;
|
1733 | 6fd805e1 | aliguori | *ebx = 0x1c0003f;
|
1734 | 6fd805e1 | aliguori | *ecx = 0x000003f;
|
1735 | 6fd805e1 | aliguori | *edx = 0x0000001;
|
1736 | 6fd805e1 | aliguori | break;
|
1737 | 6fd805e1 | aliguori | case 2: /* L2 cache info */ |
1738 | 400281af | Andre Przywara | *eax |= 0x0000143;
|
1739 | 400281af | Andre Przywara | if (env->nr_threads > 1) { |
1740 | 400281af | Andre Przywara | *eax |= (env->nr_threads - 1) << 14; |
1741 | 400281af | Andre Przywara | } |
1742 | 6fd805e1 | aliguori | *ebx = 0x3c0003f;
|
1743 | 6fd805e1 | aliguori | *ecx = 0x0000fff;
|
1744 | 6fd805e1 | aliguori | *edx = 0x0000001;
|
1745 | 6fd805e1 | aliguori | break;
|
1746 | 6fd805e1 | aliguori | default: /* end of info */ |
1747 | 6fd805e1 | aliguori | *eax = 0;
|
1748 | 6fd805e1 | aliguori | *ebx = 0;
|
1749 | 6fd805e1 | aliguori | *ecx = 0;
|
1750 | 6fd805e1 | aliguori | *edx = 0;
|
1751 | 6fd805e1 | aliguori | break;
|
1752 | 6fd805e1 | aliguori | } |
1753 | 6fd805e1 | aliguori | break;
|
1754 | 6fd805e1 | aliguori | case 5: |
1755 | 6fd805e1 | aliguori | /* mwait info: needed for Core compatibility */
|
1756 | 6fd805e1 | aliguori | *eax = 0; /* Smallest monitor-line size in bytes */ |
1757 | 6fd805e1 | aliguori | *ebx = 0; /* Largest monitor-line size in bytes */ |
1758 | 6fd805e1 | aliguori | *ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE; |
1759 | 6fd805e1 | aliguori | *edx = 0;
|
1760 | 6fd805e1 | aliguori | break;
|
1761 | 6fd805e1 | aliguori | case 6: |
1762 | 6fd805e1 | aliguori | /* Thermal and Power Leaf */
|
1763 | 6fd805e1 | aliguori | *eax = 0;
|
1764 | 6fd805e1 | aliguori | *ebx = 0;
|
1765 | 6fd805e1 | aliguori | *ecx = 0;
|
1766 | 6fd805e1 | aliguori | *edx = 0;
|
1767 | 6fd805e1 | aliguori | break;
|
1768 | 6fd805e1 | aliguori | case 9: |
1769 | 6fd805e1 | aliguori | /* Direct Cache Access Information Leaf */
|
1770 | 6fd805e1 | aliguori | *eax = 0; /* Bits 0-31 in DCA_CAP MSR */ |
1771 | 6fd805e1 | aliguori | *ebx = 0;
|
1772 | 6fd805e1 | aliguori | *ecx = 0;
|
1773 | 6fd805e1 | aliguori | *edx = 0;
|
1774 | 6fd805e1 | aliguori | break;
|
1775 | 6fd805e1 | aliguori | case 0xA: |
1776 | 6fd805e1 | aliguori | /* Architectural Performance Monitoring Leaf */
|
1777 | 6fd805e1 | aliguori | *eax = 0;
|
1778 | 6fd805e1 | aliguori | *ebx = 0;
|
1779 | 6fd805e1 | aliguori | *ecx = 0;
|
1780 | 6fd805e1 | aliguori | *edx = 0;
|
1781 | 6fd805e1 | aliguori | break;
|
1782 | 6fd805e1 | aliguori | case 0x80000000: |
1783 | 6fd805e1 | aliguori | *eax = env->cpuid_xlevel; |
1784 | 6fd805e1 | aliguori | *ebx = env->cpuid_vendor1; |
1785 | 6fd805e1 | aliguori | *edx = env->cpuid_vendor2; |
1786 | 6fd805e1 | aliguori | *ecx = env->cpuid_vendor3; |
1787 | 6fd805e1 | aliguori | break;
|
1788 | 6fd805e1 | aliguori | case 0x80000001: |
1789 | f441bee8 | Andre Przywara | *eax = env->cpuid_version; |
1790 | 6fd805e1 | aliguori | *ebx = 0;
|
1791 | 6fd805e1 | aliguori | *ecx = env->cpuid_ext3_features; |
1792 | 6fd805e1 | aliguori | *edx = env->cpuid_ext2_features; |
1793 | 7ba1e619 | aliguori | |
1794 | 6d9fef1a | Andre Przywara | /* The Linux kernel checks for the CMPLegacy bit and
|
1795 | 6d9fef1a | Andre Przywara | * discards multiple thread information if it is set.
|
1796 | 6d9fef1a | Andre Przywara | * So dont set it here for Intel to make Linux guests happy.
|
1797 | 6d9fef1a | Andre Przywara | */
|
1798 | 6d9fef1a | Andre Przywara | if (env->nr_cores * env->nr_threads > 1) { |
1799 | 6d9fef1a | Andre Przywara | uint32_t tebx, tecx, tedx; |
1800 | 6d9fef1a | Andre Przywara | get_cpuid_vendor(env, &tebx, &tecx, &tedx); |
1801 | 6d9fef1a | Andre Przywara | if (tebx != CPUID_VENDOR_INTEL_1 ||
|
1802 | 6d9fef1a | Andre Przywara | tedx != CPUID_VENDOR_INTEL_2 || |
1803 | 6d9fef1a | Andre Przywara | tecx != CPUID_VENDOR_INTEL_3) { |
1804 | 6d9fef1a | Andre Przywara | *ecx |= 1 << 1; /* CmpLegacy bit */ |
1805 | 6d9fef1a | Andre Przywara | } |
1806 | 400281af | Andre Przywara | } |
1807 | 400281af | Andre Przywara | |
1808 | 7ba1e619 | aliguori | if (kvm_enabled()) {
|
1809 | f1e00a9c | Andre Przywara | /* Nested SVM not yet supported in upstream QEMU */
|
1810 | 671e4676 | Andre Przywara | *ecx &= ~CPUID_EXT3_SVM; |
1811 | 7ba1e619 | aliguori | } |
1812 | 6fd805e1 | aliguori | break;
|
1813 | 6fd805e1 | aliguori | case 0x80000002: |
1814 | 6fd805e1 | aliguori | case 0x80000003: |
1815 | 6fd805e1 | aliguori | case 0x80000004: |
1816 | 6fd805e1 | aliguori | *eax = env->cpuid_model[(index - 0x80000002) * 4 + 0]; |
1817 | 6fd805e1 | aliguori | *ebx = env->cpuid_model[(index - 0x80000002) * 4 + 1]; |
1818 | 6fd805e1 | aliguori | *ecx = env->cpuid_model[(index - 0x80000002) * 4 + 2]; |
1819 | 6fd805e1 | aliguori | *edx = env->cpuid_model[(index - 0x80000002) * 4 + 3]; |
1820 | 6fd805e1 | aliguori | break;
|
1821 | 6fd805e1 | aliguori | case 0x80000005: |
1822 | 6fd805e1 | aliguori | /* cache info (L1 cache) */
|
1823 | 6fd805e1 | aliguori | *eax = 0x01ff01ff;
|
1824 | 6fd805e1 | aliguori | *ebx = 0x01ff01ff;
|
1825 | 6fd805e1 | aliguori | *ecx = 0x40020140;
|
1826 | 6fd805e1 | aliguori | *edx = 0x40020140;
|
1827 | 6fd805e1 | aliguori | break;
|
1828 | 6fd805e1 | aliguori | case 0x80000006: |
1829 | 6fd805e1 | aliguori | /* cache info (L2 cache) */
|
1830 | 6fd805e1 | aliguori | *eax = 0;
|
1831 | 6fd805e1 | aliguori | *ebx = 0x42004200;
|
1832 | 6fd805e1 | aliguori | *ecx = 0x02008140;
|
1833 | 6fd805e1 | aliguori | *edx = 0;
|
1834 | 6fd805e1 | aliguori | break;
|
1835 | 6fd805e1 | aliguori | case 0x80000008: |
1836 | 6fd805e1 | aliguori | /* virtual & phys address size in low 2 bytes. */
|
1837 | 6fd805e1 | aliguori | /* XXX: This value must match the one used in the MMU code. */
|
1838 | 6fd805e1 | aliguori | if (env->cpuid_ext2_features & CPUID_EXT2_LM) {
|
1839 | 6fd805e1 | aliguori | /* 64 bit processor */
|
1840 | 6fd805e1 | aliguori | /* XXX: The physical address space is limited to 42 bits in exec.c. */
|
1841 | 6fd805e1 | aliguori | *eax = 0x00003028; /* 48 bits virtual, 40 bits physical */ |
1842 | 6fd805e1 | aliguori | } else {
|
1843 | 6fd805e1 | aliguori | if (env->cpuid_features & CPUID_PSE36)
|
1844 | 6fd805e1 | aliguori | *eax = 0x00000024; /* 36 bits physical */ |
1845 | 6fd805e1 | aliguori | else
|
1846 | 6fd805e1 | aliguori | *eax = 0x00000020; /* 32 bits physical */ |
1847 | 6fd805e1 | aliguori | } |
1848 | 6fd805e1 | aliguori | *ebx = 0;
|
1849 | 6fd805e1 | aliguori | *ecx = 0;
|
1850 | 6fd805e1 | aliguori | *edx = 0;
|
1851 | 400281af | Andre Przywara | if (env->nr_cores * env->nr_threads > 1) { |
1852 | 400281af | Andre Przywara | *ecx |= (env->nr_cores * env->nr_threads) - 1;
|
1853 | 400281af | Andre Przywara | } |
1854 | 6fd805e1 | aliguori | break;
|
1855 | 6fd805e1 | aliguori | case 0x8000000A: |
1856 | 6fd805e1 | aliguori | *eax = 0x00000001; /* SVM Revision */ |
1857 | 6fd805e1 | aliguori | *ebx = 0x00000010; /* nr of ASIDs */ |
1858 | 6fd805e1 | aliguori | *ecx = 0;
|
1859 | 6fd805e1 | aliguori | *edx = 0; /* optional features */ |
1860 | 6fd805e1 | aliguori | break;
|
1861 | 6fd805e1 | aliguori | default:
|
1862 | 6fd805e1 | aliguori | /* reserved values: zero */
|
1863 | 6fd805e1 | aliguori | *eax = 0;
|
1864 | 6fd805e1 | aliguori | *ebx = 0;
|
1865 | 6fd805e1 | aliguori | *ecx = 0;
|
1866 | 6fd805e1 | aliguori | *edx = 0;
|
1867 | 6fd805e1 | aliguori | break;
|
1868 | 6fd805e1 | aliguori | } |
1869 | 6fd805e1 | aliguori | } |
1870 | 01df040b | aliguori | |
1871 | 84273177 | Jan Kiszka | |
1872 | 84273177 | Jan Kiszka | int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector, |
1873 | 84273177 | Jan Kiszka | target_ulong *base, unsigned int *limit, |
1874 | 84273177 | Jan Kiszka | unsigned int *flags) |
1875 | 84273177 | Jan Kiszka | { |
1876 | 84273177 | Jan Kiszka | SegmentCache *dt; |
1877 | 84273177 | Jan Kiszka | target_ulong ptr; |
1878 | 84273177 | Jan Kiszka | uint32_t e1, e2; |
1879 | 84273177 | Jan Kiszka | int index;
|
1880 | 84273177 | Jan Kiszka | |
1881 | 84273177 | Jan Kiszka | if (selector & 0x4) |
1882 | 84273177 | Jan Kiszka | dt = &env->ldt; |
1883 | 84273177 | Jan Kiszka | else
|
1884 | 84273177 | Jan Kiszka | dt = &env->gdt; |
1885 | 84273177 | Jan Kiszka | index = selector & ~7;
|
1886 | 84273177 | Jan Kiszka | ptr = dt->base + index; |
1887 | 84273177 | Jan Kiszka | if ((index + 7) > dt->limit |
1888 | 84273177 | Jan Kiszka | || cpu_memory_rw_debug(env, ptr, (uint8_t *)&e1, sizeof(e1), 0) != 0 |
1889 | 84273177 | Jan Kiszka | || cpu_memory_rw_debug(env, ptr+4, (uint8_t *)&e2, sizeof(e2), 0) != 0) |
1890 | 84273177 | Jan Kiszka | return 0; |
1891 | 84273177 | Jan Kiszka | |
1892 | 84273177 | Jan Kiszka | *base = ((e1 >> 16) | ((e2 & 0xff) << 16) | (e2 & 0xff000000)); |
1893 | 84273177 | Jan Kiszka | *limit = (e1 & 0xffff) | (e2 & 0x000f0000); |
1894 | 84273177 | Jan Kiszka | if (e2 & DESC_G_MASK)
|
1895 | 84273177 | Jan Kiszka | *limit = (*limit << 12) | 0xfff; |
1896 | 84273177 | Jan Kiszka | *flags = e2; |
1897 | 84273177 | Jan Kiszka | |
1898 | 84273177 | Jan Kiszka | return 1; |
1899 | 84273177 | Jan Kiszka | } |
1900 | 84273177 | Jan Kiszka | |
1901 | 01df040b | aliguori | CPUX86State *cpu_x86_init(const char *cpu_model) |
1902 | 01df040b | aliguori | { |
1903 | 01df040b | aliguori | CPUX86State *env; |
1904 | 01df040b | aliguori | static int inited; |
1905 | 01df040b | aliguori | |
1906 | 01df040b | aliguori | env = qemu_mallocz(sizeof(CPUX86State));
|
1907 | 01df040b | aliguori | cpu_exec_init(env); |
1908 | 01df040b | aliguori | env->cpu_model_str = cpu_model; |
1909 | 01df040b | aliguori | |
1910 | 01df040b | aliguori | /* init various static tables */
|
1911 | 01df040b | aliguori | if (!inited) {
|
1912 | 01df040b | aliguori | inited = 1;
|
1913 | 01df040b | aliguori | optimize_flags_init(); |
1914 | 01df040b | aliguori | #ifndef CONFIG_USER_ONLY
|
1915 | 01df040b | aliguori | prev_debug_excp_handler = |
1916 | 01df040b | aliguori | cpu_set_debug_excp_handler(breakpoint_handler); |
1917 | 01df040b | aliguori | #endif
|
1918 | 01df040b | aliguori | } |
1919 | 01df040b | aliguori | if (cpu_x86_register(env, cpu_model) < 0) { |
1920 | 01df040b | aliguori | cpu_x86_close(env); |
1921 | 01df040b | aliguori | return NULL; |
1922 | 01df040b | aliguori | } |
1923 | 79c4f6b0 | Huang Ying | mce_init(env); |
1924 | 0bf46a40 | aliguori | |
1925 | 0bf46a40 | aliguori | qemu_init_vcpu(env); |
1926 | 0bf46a40 | aliguori | |
1927 | 01df040b | aliguori | return env;
|
1928 | 01df040b | aliguori | } |
1929 | b09ea7d5 | Gleb Natapov | |
1930 | b09ea7d5 | Gleb Natapov | #if !defined(CONFIG_USER_ONLY)
|
1931 | b09ea7d5 | Gleb Natapov | void do_cpu_init(CPUState *env)
|
1932 | b09ea7d5 | Gleb Natapov | { |
1933 | b09ea7d5 | Gleb Natapov | int sipi = env->interrupt_request & CPU_INTERRUPT_SIPI;
|
1934 | b09ea7d5 | Gleb Natapov | cpu_reset(env); |
1935 | b09ea7d5 | Gleb Natapov | env->interrupt_request = sipi; |
1936 | b09ea7d5 | Gleb Natapov | apic_init_reset(env); |
1937 | b09ea7d5 | Gleb Natapov | } |
1938 | b09ea7d5 | Gleb Natapov | |
1939 | b09ea7d5 | Gleb Natapov | void do_cpu_sipi(CPUState *env)
|
1940 | b09ea7d5 | Gleb Natapov | { |
1941 | b09ea7d5 | Gleb Natapov | apic_sipi(env); |
1942 | b09ea7d5 | Gleb Natapov | } |
1943 | b09ea7d5 | Gleb Natapov | #else
|
1944 | b09ea7d5 | Gleb Natapov | void do_cpu_init(CPUState *env)
|
1945 | b09ea7d5 | Gleb Natapov | { |
1946 | b09ea7d5 | Gleb Natapov | } |
1947 | b09ea7d5 | Gleb Natapov | void do_cpu_sipi(CPUState *env)
|
1948 | b09ea7d5 | Gleb Natapov | { |
1949 | b09ea7d5 | Gleb Natapov | } |
1950 | b09ea7d5 | Gleb Natapov | #endif |