root / target-i386 / cpuid.c @ ed2c54d4
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1 | c6dc6f63 | Andre Przywara | /*
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2 | c6dc6f63 | Andre Przywara | * i386 CPUID helper functions
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3 | c6dc6f63 | Andre Przywara | *
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4 | c6dc6f63 | Andre Przywara | * Copyright (c) 2003 Fabrice Bellard
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5 | c6dc6f63 | Andre Przywara | *
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6 | c6dc6f63 | Andre Przywara | * This library is free software; you can redistribute it and/or
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7 | c6dc6f63 | Andre Przywara | * modify it under the terms of the GNU Lesser General Public
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8 | c6dc6f63 | Andre Przywara | * License as published by the Free Software Foundation; either
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9 | c6dc6f63 | Andre Przywara | * version 2 of the License, or (at your option) any later version.
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10 | c6dc6f63 | Andre Przywara | *
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11 | c6dc6f63 | Andre Przywara | * This library is distributed in the hope that it will be useful,
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12 | c6dc6f63 | Andre Przywara | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | c6dc6f63 | Andre Przywara | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | c6dc6f63 | Andre Przywara | * Lesser General Public License for more details.
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15 | c6dc6f63 | Andre Przywara | *
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16 | c6dc6f63 | Andre Przywara | * You should have received a copy of the GNU Lesser General Public
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17 | c6dc6f63 | Andre Przywara | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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18 | c6dc6f63 | Andre Przywara | */
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19 | c6dc6f63 | Andre Przywara | #include <stdlib.h> |
20 | c6dc6f63 | Andre Przywara | #include <stdio.h> |
21 | c6dc6f63 | Andre Przywara | #include <string.h> |
22 | c6dc6f63 | Andre Przywara | #include <inttypes.h> |
23 | c6dc6f63 | Andre Przywara | |
24 | c6dc6f63 | Andre Przywara | #include "cpu.h" |
25 | c6dc6f63 | Andre Przywara | #include "kvm.h" |
26 | c6dc6f63 | Andre Przywara | |
27 | c6dc6f63 | Andre Przywara | #include "qemu-option.h" |
28 | c6dc6f63 | Andre Przywara | #include "qemu-config.h" |
29 | c6dc6f63 | Andre Przywara | |
30 | c6dc6f63 | Andre Przywara | /* feature flags taken from "Intel Processor Identification and the CPUID
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31 | c6dc6f63 | Andre Przywara | * Instruction" and AMD's "CPUID Specification". In cases of disagreement
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32 | c6dc6f63 | Andre Przywara | * between feature naming conventions, aliases may be added.
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33 | c6dc6f63 | Andre Przywara | */
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34 | c6dc6f63 | Andre Przywara | static const char *feature_name[] = { |
35 | c6dc6f63 | Andre Przywara | "fpu", "vme", "de", "pse", |
36 | c6dc6f63 | Andre Przywara | "tsc", "msr", "pae", "mce", |
37 | c6dc6f63 | Andre Przywara | "cx8", "apic", NULL, "sep", |
38 | c6dc6f63 | Andre Przywara | "mtrr", "pge", "mca", "cmov", |
39 | c6dc6f63 | Andre Przywara | "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */, |
40 | c6dc6f63 | Andre Przywara | NULL, "ds" /* Intel dts */, "acpi", "mmx", |
41 | c6dc6f63 | Andre Przywara | "fxsr", "sse", "sse2", "ss", |
42 | c6dc6f63 | Andre Przywara | "ht" /* Intel htt */, "tm", "ia64", "pbe", |
43 | c6dc6f63 | Andre Przywara | }; |
44 | c6dc6f63 | Andre Przywara | static const char *ext_feature_name[] = { |
45 | e117f772 | Andre Przywara | "pni|sse3" /* Intel,AMD sse3 */, "pclmuldq", "dtes64", "monitor", |
46 | e117f772 | Andre Przywara | "ds_cpl", "vmx", "smx", "est", |
47 | c6dc6f63 | Andre Przywara | "tm2", "ssse3", "cid", NULL, |
48 | e117f772 | Andre Przywara | "fma", "cx16", "xtpr", "pdcm", |
49 | c6dc6f63 | Andre Przywara | NULL, NULL, "dca", "sse4.1|sse4_1", |
50 | e117f772 | Andre Przywara | "sse4.2|sse4_2", "x2apic", "movbe", "popcnt", |
51 | e117f772 | Andre Przywara | NULL, "aes", "xsave", "osxsave", |
52 | e117f772 | Andre Przywara | "avx", NULL, NULL, "hypervisor", |
53 | c6dc6f63 | Andre Przywara | }; |
54 | c6dc6f63 | Andre Przywara | static const char *ext2_feature_name[] = { |
55 | c6dc6f63 | Andre Przywara | "fpu", "vme", "de", "pse", |
56 | c6dc6f63 | Andre Przywara | "tsc", "msr", "pae", "mce", |
57 | c6dc6f63 | Andre Przywara | "cx8" /* AMD CMPXCHG8B */, "apic", NULL, "syscall", |
58 | c6dc6f63 | Andre Przywara | "mtrr", "pge", "mca", "cmov", |
59 | c6dc6f63 | Andre Przywara | "pat", "pse36", NULL, NULL /* Linux mp */, |
60 | c6dc6f63 | Andre Przywara | "nx" /* Intel xd */, NULL, "mmxext", "mmx", |
61 | c6dc6f63 | Andre Przywara | "fxsr", "fxsr_opt" /* AMD ffxsr */, "pdpe1gb" /* AMD Page1GB */, "rdtscp", |
62 | c6dc6f63 | Andre Przywara | NULL, "lm" /* Intel 64 */, "3dnowext", "3dnow", |
63 | c6dc6f63 | Andre Przywara | }; |
64 | c6dc6f63 | Andre Przywara | static const char *ext3_feature_name[] = { |
65 | c6dc6f63 | Andre Przywara | "lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */, |
66 | c6dc6f63 | Andre Przywara | "cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse", |
67 | e117f772 | Andre Przywara | "3dnowprefetch", "osvw", "ibs", "xop", |
68 | c6dc6f63 | Andre Przywara | "skinit", "wdt", NULL, NULL, |
69 | e117f772 | Andre Przywara | "fma4", NULL, "cvt16", "nodeid_msr", |
70 | c6dc6f63 | Andre Przywara | NULL, NULL, NULL, NULL, |
71 | c6dc6f63 | Andre Przywara | NULL, NULL, NULL, NULL, |
72 | c6dc6f63 | Andre Przywara | NULL, NULL, NULL, NULL, |
73 | c6dc6f63 | Andre Przywara | }; |
74 | c6dc6f63 | Andre Przywara | |
75 | c6dc6f63 | Andre Przywara | static const char *kvm_feature_name[] = { |
76 | c6dc6f63 | Andre Przywara | "kvmclock", "kvm_nopiodelay", "kvm_mmu", NULL, NULL, NULL, NULL, NULL, |
77 | c6dc6f63 | Andre Przywara | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
78 | c6dc6f63 | Andre Przywara | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
79 | c6dc6f63 | Andre Przywara | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
80 | c6dc6f63 | Andre Przywara | }; |
81 | c6dc6f63 | Andre Przywara | |
82 | c6dc6f63 | Andre Przywara | /* collects per-function cpuid data
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83 | c6dc6f63 | Andre Przywara | */
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84 | c6dc6f63 | Andre Przywara | typedef struct model_features_t { |
85 | c6dc6f63 | Andre Przywara | uint32_t *guest_feat; |
86 | c6dc6f63 | Andre Przywara | uint32_t *host_feat; |
87 | c6dc6f63 | Andre Przywara | uint32_t check_feat; |
88 | c6dc6f63 | Andre Przywara | const char **flag_names; |
89 | c6dc6f63 | Andre Przywara | uint32_t cpuid; |
90 | c6dc6f63 | Andre Przywara | } model_features_t; |
91 | c6dc6f63 | Andre Przywara | |
92 | c6dc6f63 | Andre Przywara | int check_cpuid = 0; |
93 | c6dc6f63 | Andre Przywara | int enforce_cpuid = 0; |
94 | c6dc6f63 | Andre Przywara | |
95 | bdde476a | Andre Przywara | static void host_cpuid(uint32_t function, uint32_t count, |
96 | bdde476a | Andre Przywara | uint32_t *eax, uint32_t *ebx, |
97 | bdde476a | Andre Przywara | uint32_t *ecx, uint32_t *edx) |
98 | bdde476a | Andre Przywara | { |
99 | bdde476a | Andre Przywara | #if defined(CONFIG_KVM)
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100 | bdde476a | Andre Przywara | uint32_t vec[4];
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101 | bdde476a | Andre Przywara | |
102 | bdde476a | Andre Przywara | #ifdef __x86_64__
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103 | bdde476a | Andre Przywara | asm volatile("cpuid" |
104 | bdde476a | Andre Przywara | : "=a"(vec[0]), "=b"(vec[1]), |
105 | bdde476a | Andre Przywara | "=c"(vec[2]), "=d"(vec[3]) |
106 | bdde476a | Andre Przywara | : "0"(function), "c"(count) : "cc"); |
107 | bdde476a | Andre Przywara | #else
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108 | bdde476a | Andre Przywara | asm volatile("pusha \n\t" |
109 | bdde476a | Andre Przywara | "cpuid \n\t"
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110 | bdde476a | Andre Przywara | "mov %%eax, 0(%2) \n\t"
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111 | bdde476a | Andre Przywara | "mov %%ebx, 4(%2) \n\t"
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112 | bdde476a | Andre Przywara | "mov %%ecx, 8(%2) \n\t"
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113 | bdde476a | Andre Przywara | "mov %%edx, 12(%2) \n\t"
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114 | bdde476a | Andre Przywara | "popa"
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115 | bdde476a | Andre Przywara | : : "a"(function), "c"(count), "S"(vec) |
116 | bdde476a | Andre Przywara | : "memory", "cc"); |
117 | bdde476a | Andre Przywara | #endif
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118 | bdde476a | Andre Przywara | |
119 | bdde476a | Andre Przywara | if (eax)
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120 | bdde476a | Andre Przywara | *eax = vec[0];
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121 | bdde476a | Andre Przywara | if (ebx)
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122 | bdde476a | Andre Przywara | *ebx = vec[1];
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123 | bdde476a | Andre Przywara | if (ecx)
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124 | bdde476a | Andre Przywara | *ecx = vec[2];
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125 | bdde476a | Andre Przywara | if (edx)
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126 | bdde476a | Andre Przywara | *edx = vec[3];
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127 | bdde476a | Andre Przywara | #endif
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128 | bdde476a | Andre Przywara | } |
129 | c6dc6f63 | Andre Przywara | |
130 | c6dc6f63 | Andre Przywara | #define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c))) |
131 | c6dc6f63 | Andre Przywara | |
132 | c6dc6f63 | Andre Przywara | /* general substring compare of *[s1..e1) and *[s2..e2). sx is start of
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133 | c6dc6f63 | Andre Przywara | * a substring. ex if !NULL points to the first char after a substring,
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134 | c6dc6f63 | Andre Przywara | * otherwise the string is assumed to sized by a terminating nul.
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135 | c6dc6f63 | Andre Przywara | * Return lexical ordering of *s1:*s2.
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136 | c6dc6f63 | Andre Przywara | */
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137 | c6dc6f63 | Andre Przywara | static int sstrcmp(const char *s1, const char *e1, const char *s2, |
138 | c6dc6f63 | Andre Przywara | const char *e2) |
139 | c6dc6f63 | Andre Przywara | { |
140 | c6dc6f63 | Andre Przywara | for (;;) {
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141 | c6dc6f63 | Andre Przywara | if (!*s1 || !*s2 || *s1 != *s2)
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142 | c6dc6f63 | Andre Przywara | return (*s1 - *s2);
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143 | c6dc6f63 | Andre Przywara | ++s1, ++s2; |
144 | c6dc6f63 | Andre Przywara | if (s1 == e1 && s2 == e2)
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145 | c6dc6f63 | Andre Przywara | return (0); |
146 | c6dc6f63 | Andre Przywara | else if (s1 == e1) |
147 | c6dc6f63 | Andre Przywara | return (*s2);
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148 | c6dc6f63 | Andre Przywara | else if (s2 == e2) |
149 | c6dc6f63 | Andre Przywara | return (*s1);
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150 | c6dc6f63 | Andre Przywara | } |
151 | c6dc6f63 | Andre Przywara | } |
152 | c6dc6f63 | Andre Przywara | |
153 | c6dc6f63 | Andre Przywara | /* compare *[s..e) to *altstr. *altstr may be a simple string or multiple
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154 | c6dc6f63 | Andre Przywara | * '|' delimited (possibly empty) strings in which case search for a match
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155 | c6dc6f63 | Andre Przywara | * within the alternatives proceeds left to right. Return 0 for success,
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156 | c6dc6f63 | Andre Przywara | * non-zero otherwise.
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157 | c6dc6f63 | Andre Przywara | */
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158 | c6dc6f63 | Andre Przywara | static int altcmp(const char *s, const char *e, const char *altstr) |
159 | c6dc6f63 | Andre Przywara | { |
160 | c6dc6f63 | Andre Przywara | const char *p, *q; |
161 | c6dc6f63 | Andre Przywara | |
162 | c6dc6f63 | Andre Przywara | for (q = p = altstr; ; ) {
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163 | c6dc6f63 | Andre Przywara | while (*p && *p != '|') |
164 | c6dc6f63 | Andre Przywara | ++p; |
165 | c6dc6f63 | Andre Przywara | if ((q == p && !*s) || (q != p && !sstrcmp(s, e, q, p)))
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166 | c6dc6f63 | Andre Przywara | return (0); |
167 | c6dc6f63 | Andre Przywara | if (!*p)
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168 | c6dc6f63 | Andre Przywara | return (1); |
169 | c6dc6f63 | Andre Przywara | else
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170 | c6dc6f63 | Andre Przywara | q = ++p; |
171 | c6dc6f63 | Andre Przywara | } |
172 | c6dc6f63 | Andre Przywara | } |
173 | c6dc6f63 | Andre Przywara | |
174 | c6dc6f63 | Andre Przywara | /* search featureset for flag *[s..e), if found set corresponding bit in
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175 | c6dc6f63 | Andre Przywara | * *pval and return success, otherwise return zero
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176 | c6dc6f63 | Andre Przywara | */
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177 | c6dc6f63 | Andre Przywara | static int lookup_feature(uint32_t *pval, const char *s, const char *e, |
178 | c6dc6f63 | Andre Przywara | const char **featureset) |
179 | c6dc6f63 | Andre Przywara | { |
180 | c6dc6f63 | Andre Przywara | uint32_t mask; |
181 | c6dc6f63 | Andre Przywara | const char **ppc; |
182 | c6dc6f63 | Andre Przywara | |
183 | c6dc6f63 | Andre Przywara | for (mask = 1, ppc = featureset; mask; mask <<= 1, ++ppc) |
184 | c6dc6f63 | Andre Przywara | if (*ppc && !altcmp(s, e, *ppc)) {
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185 | c6dc6f63 | Andre Przywara | *pval |= mask; |
186 | c6dc6f63 | Andre Przywara | break;
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187 | c6dc6f63 | Andre Przywara | } |
188 | c6dc6f63 | Andre Przywara | return (mask ? 1 : 0); |
189 | c6dc6f63 | Andre Przywara | } |
190 | c6dc6f63 | Andre Przywara | |
191 | c6dc6f63 | Andre Przywara | static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features, |
192 | c6dc6f63 | Andre Przywara | uint32_t *ext_features, |
193 | c6dc6f63 | Andre Przywara | uint32_t *ext2_features, |
194 | c6dc6f63 | Andre Przywara | uint32_t *ext3_features, |
195 | c6dc6f63 | Andre Przywara | uint32_t *kvm_features) |
196 | c6dc6f63 | Andre Przywara | { |
197 | c6dc6f63 | Andre Przywara | if (!lookup_feature(features, flagname, NULL, feature_name) && |
198 | c6dc6f63 | Andre Przywara | !lookup_feature(ext_features, flagname, NULL, ext_feature_name) &&
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199 | c6dc6f63 | Andre Przywara | !lookup_feature(ext2_features, flagname, NULL, ext2_feature_name) &&
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200 | c6dc6f63 | Andre Przywara | !lookup_feature(ext3_features, flagname, NULL, ext3_feature_name) &&
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201 | c6dc6f63 | Andre Przywara | !lookup_feature(kvm_features, flagname, NULL, kvm_feature_name))
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202 | c6dc6f63 | Andre Przywara | fprintf(stderr, "CPU feature %s not found\n", flagname);
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203 | c6dc6f63 | Andre Przywara | } |
204 | c6dc6f63 | Andre Przywara | |
205 | c6dc6f63 | Andre Przywara | typedef struct x86_def_t { |
206 | c6dc6f63 | Andre Przywara | struct x86_def_t *next;
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207 | c6dc6f63 | Andre Przywara | const char *name; |
208 | c6dc6f63 | Andre Przywara | uint32_t level; |
209 | c6dc6f63 | Andre Przywara | uint32_t vendor1, vendor2, vendor3; |
210 | c6dc6f63 | Andre Przywara | int family;
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211 | c6dc6f63 | Andre Przywara | int model;
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212 | c6dc6f63 | Andre Przywara | int stepping;
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213 | c6dc6f63 | Andre Przywara | uint32_t features, ext_features, ext2_features, ext3_features, kvm_features; |
214 | c6dc6f63 | Andre Przywara | uint32_t xlevel; |
215 | c6dc6f63 | Andre Przywara | char model_id[48]; |
216 | c6dc6f63 | Andre Przywara | int vendor_override;
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217 | c6dc6f63 | Andre Przywara | uint32_t flags; |
218 | c6dc6f63 | Andre Przywara | } x86_def_t; |
219 | c6dc6f63 | Andre Przywara | |
220 | c6dc6f63 | Andre Przywara | #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
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221 | c6dc6f63 | Andre Przywara | #define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
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222 | c6dc6f63 | Andre Przywara | CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC) |
223 | c6dc6f63 | Andre Przywara | #define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
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224 | c6dc6f63 | Andre Przywara | CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \ |
225 | c6dc6f63 | Andre Przywara | CPUID_PSE36 | CPUID_FXSR) |
226 | c6dc6f63 | Andre Przywara | #define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
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227 | c6dc6f63 | Andre Przywara | #define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
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228 | c6dc6f63 | Andre Przywara | CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \ |
229 | c6dc6f63 | Andre Przywara | CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \ |
230 | c6dc6f63 | Andre Przywara | CPUID_PAE | CPUID_SEP | CPUID_APIC) |
231 | 42673936 | Andre Przywara | #define EXT2_FEATURE_MASK 0x0183F3FF |
232 | c6dc6f63 | Andre Przywara | |
233 | c6dc6f63 | Andre Przywara | /* maintains list of cpu model definitions
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234 | c6dc6f63 | Andre Przywara | */
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235 | c6dc6f63 | Andre Przywara | static x86_def_t *x86_defs = {NULL}; |
236 | c6dc6f63 | Andre Przywara | |
237 | c6dc6f63 | Andre Przywara | /* built-in cpu model definitions (deprecated)
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238 | c6dc6f63 | Andre Przywara | */
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239 | c6dc6f63 | Andre Przywara | static x86_def_t builtin_x86_defs[] = {
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240 | c6dc6f63 | Andre Przywara | #ifdef TARGET_X86_64
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241 | c6dc6f63 | Andre Przywara | { |
242 | c6dc6f63 | Andre Przywara | .name = "qemu64",
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243 | c6dc6f63 | Andre Przywara | .level = 4,
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244 | c6dc6f63 | Andre Przywara | .vendor1 = CPUID_VENDOR_AMD_1, |
245 | c6dc6f63 | Andre Przywara | .vendor2 = CPUID_VENDOR_AMD_2, |
246 | c6dc6f63 | Andre Przywara | .vendor3 = CPUID_VENDOR_AMD_3, |
247 | c6dc6f63 | Andre Przywara | .family = 6,
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248 | c6dc6f63 | Andre Przywara | .model = 2,
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249 | c6dc6f63 | Andre Przywara | .stepping = 3,
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250 | c6dc6f63 | Andre Przywara | .features = PPRO_FEATURES | |
251 | c6dc6f63 | Andre Przywara | /* these features are needed for Win64 and aren't fully implemented */
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252 | c6dc6f63 | Andre Przywara | CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | |
253 | c6dc6f63 | Andre Przywara | /* this feature is needed for Solaris and isn't fully implemented */
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254 | c6dc6f63 | Andre Przywara | CPUID_PSE36, |
255 | c6dc6f63 | Andre Przywara | .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT, |
256 | 42673936 | Andre Przywara | .ext2_features = (PPRO_FEATURES & EXT2_FEATURE_MASK) | |
257 | c6dc6f63 | Andre Przywara | CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, |
258 | c6dc6f63 | Andre Przywara | .ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | |
259 | c6dc6f63 | Andre Przywara | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A, |
260 | c6dc6f63 | Andre Przywara | .xlevel = 0x8000000A,
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261 | c6dc6f63 | Andre Przywara | .model_id = "QEMU Virtual CPU version " QEMU_VERSION,
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262 | c6dc6f63 | Andre Przywara | }, |
263 | c6dc6f63 | Andre Przywara | { |
264 | c6dc6f63 | Andre Przywara | .name = "phenom",
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265 | c6dc6f63 | Andre Przywara | .level = 5,
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266 | c6dc6f63 | Andre Przywara | .vendor1 = CPUID_VENDOR_AMD_1, |
267 | c6dc6f63 | Andre Przywara | .vendor2 = CPUID_VENDOR_AMD_2, |
268 | c6dc6f63 | Andre Przywara | .vendor3 = CPUID_VENDOR_AMD_3, |
269 | c6dc6f63 | Andre Przywara | .family = 16,
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270 | c6dc6f63 | Andre Przywara | .model = 2,
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271 | c6dc6f63 | Andre Przywara | .stepping = 3,
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272 | c6dc6f63 | Andre Przywara | /* Missing: CPUID_VME, CPUID_HT */
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273 | c6dc6f63 | Andre Przywara | .features = PPRO_FEATURES | |
274 | c6dc6f63 | Andre Przywara | CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | |
275 | c6dc6f63 | Andre Przywara | CPUID_PSE36, |
276 | c6dc6f63 | Andre Przywara | .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 | |
277 | c6dc6f63 | Andre Przywara | CPUID_EXT_POPCNT, |
278 | c6dc6f63 | Andre Przywara | /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
|
279 | 42673936 | Andre Przywara | .ext2_features = (PPRO_FEATURES & EXT2_FEATURE_MASK) | |
280 | c6dc6f63 | Andre Przywara | CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX | |
281 | c6dc6f63 | Andre Przywara | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT | |
282 | c6dc6f63 | Andre Przywara | CPUID_EXT2_FFXSR, |
283 | c6dc6f63 | Andre Przywara | /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
|
284 | c6dc6f63 | Andre Przywara | CPUID_EXT3_CR8LEG,
|
285 | c6dc6f63 | Andre Przywara | CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
|
286 | c6dc6f63 | Andre Przywara | CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
|
287 | c6dc6f63 | Andre Przywara | .ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | |
288 | c6dc6f63 | Andre Przywara | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A, |
289 | c6dc6f63 | Andre Przywara | .xlevel = 0x8000001A,
|
290 | c6dc6f63 | Andre Przywara | .model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
|
291 | c6dc6f63 | Andre Przywara | }, |
292 | c6dc6f63 | Andre Przywara | { |
293 | c6dc6f63 | Andre Przywara | .name = "core2duo",
|
294 | c6dc6f63 | Andre Przywara | .level = 10,
|
295 | c6dc6f63 | Andre Przywara | .family = 6,
|
296 | c6dc6f63 | Andre Przywara | .model = 15,
|
297 | c6dc6f63 | Andre Przywara | .stepping = 11,
|
298 | c6dc6f63 | Andre Przywara | /* The original CPU also implements these features:
|
299 | c6dc6f63 | Andre Przywara | CPUID_VME, CPUID_DTS, CPUID_ACPI, CPUID_SS, CPUID_HT,
|
300 | c6dc6f63 | Andre Przywara | CPUID_TM, CPUID_PBE */
|
301 | c6dc6f63 | Andre Przywara | .features = PPRO_FEATURES | |
302 | c6dc6f63 | Andre Przywara | CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | |
303 | c6dc6f63 | Andre Przywara | CPUID_PSE36, |
304 | c6dc6f63 | Andre Przywara | /* The original CPU also implements these ext features:
|
305 | c6dc6f63 | Andre Przywara | CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_EST,
|
306 | c6dc6f63 | Andre Przywara | CPUID_EXT_TM2, CPUID_EXT_CX16, CPUID_EXT_XTPR, CPUID_EXT_PDCM */
|
307 | c6dc6f63 | Andre Przywara | .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3, |
308 | c6dc6f63 | Andre Przywara | .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, |
309 | c6dc6f63 | Andre Przywara | .ext3_features = CPUID_EXT3_LAHF_LM, |
310 | c6dc6f63 | Andre Przywara | .xlevel = 0x80000008,
|
311 | c6dc6f63 | Andre Przywara | .model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
|
312 | c6dc6f63 | Andre Przywara | }, |
313 | c6dc6f63 | Andre Przywara | { |
314 | c6dc6f63 | Andre Przywara | .name = "kvm64",
|
315 | c6dc6f63 | Andre Przywara | .level = 5,
|
316 | c6dc6f63 | Andre Przywara | .vendor1 = CPUID_VENDOR_INTEL_1, |
317 | c6dc6f63 | Andre Przywara | .vendor2 = CPUID_VENDOR_INTEL_2, |
318 | c6dc6f63 | Andre Przywara | .vendor3 = CPUID_VENDOR_INTEL_3, |
319 | c6dc6f63 | Andre Przywara | .family = 15,
|
320 | c6dc6f63 | Andre Przywara | .model = 6,
|
321 | c6dc6f63 | Andre Przywara | .stepping = 1,
|
322 | c6dc6f63 | Andre Przywara | /* Missing: CPUID_VME, CPUID_HT */
|
323 | c6dc6f63 | Andre Przywara | .features = PPRO_FEATURES | |
324 | c6dc6f63 | Andre Przywara | CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | |
325 | c6dc6f63 | Andre Przywara | CPUID_PSE36, |
326 | c6dc6f63 | Andre Przywara | /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
|
327 | c6dc6f63 | Andre Przywara | .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16, |
328 | c6dc6f63 | Andre Przywara | /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
|
329 | 42673936 | Andre Przywara | .ext2_features = (PPRO_FEATURES & EXT2_FEATURE_MASK) | |
330 | c6dc6f63 | Andre Przywara | CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, |
331 | c6dc6f63 | Andre Przywara | /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
|
332 | c6dc6f63 | Andre Przywara | CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
|
333 | c6dc6f63 | Andre Przywara | CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
|
334 | c6dc6f63 | Andre Przywara | CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
|
335 | c6dc6f63 | Andre Przywara | .ext3_features = 0,
|
336 | c6dc6f63 | Andre Przywara | .xlevel = 0x80000008,
|
337 | c6dc6f63 | Andre Przywara | .model_id = "Common KVM processor"
|
338 | c6dc6f63 | Andre Przywara | }, |
339 | c6dc6f63 | Andre Przywara | #endif
|
340 | c6dc6f63 | Andre Przywara | { |
341 | c6dc6f63 | Andre Przywara | .name = "qemu32",
|
342 | c6dc6f63 | Andre Przywara | .level = 4,
|
343 | c6dc6f63 | Andre Przywara | .family = 6,
|
344 | c6dc6f63 | Andre Przywara | .model = 3,
|
345 | c6dc6f63 | Andre Przywara | .stepping = 3,
|
346 | c6dc6f63 | Andre Przywara | .features = PPRO_FEATURES, |
347 | c6dc6f63 | Andre Przywara | .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_POPCNT, |
348 | c6dc6f63 | Andre Przywara | .xlevel = 0,
|
349 | c6dc6f63 | Andre Przywara | .model_id = "QEMU Virtual CPU version " QEMU_VERSION,
|
350 | c6dc6f63 | Andre Przywara | }, |
351 | c6dc6f63 | Andre Przywara | { |
352 | c6dc6f63 | Andre Przywara | .name = "coreduo",
|
353 | c6dc6f63 | Andre Przywara | .level = 10,
|
354 | c6dc6f63 | Andre Przywara | .family = 6,
|
355 | c6dc6f63 | Andre Przywara | .model = 14,
|
356 | c6dc6f63 | Andre Przywara | .stepping = 8,
|
357 | c6dc6f63 | Andre Przywara | /* The original CPU also implements these features:
|
358 | c6dc6f63 | Andre Przywara | CPUID_DTS, CPUID_ACPI, CPUID_SS, CPUID_HT,
|
359 | c6dc6f63 | Andre Przywara | CPUID_TM, CPUID_PBE */
|
360 | c6dc6f63 | Andre Przywara | .features = PPRO_FEATURES | CPUID_VME | |
361 | c6dc6f63 | Andre Przywara | CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA, |
362 | c6dc6f63 | Andre Przywara | /* The original CPU also implements these ext features:
|
363 | c6dc6f63 | Andre Przywara | CPUID_EXT_VMX, CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_XTPR,
|
364 | c6dc6f63 | Andre Przywara | CPUID_EXT_PDCM */
|
365 | c6dc6f63 | Andre Przywara | .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR, |
366 | c6dc6f63 | Andre Przywara | .ext2_features = CPUID_EXT2_NX, |
367 | c6dc6f63 | Andre Przywara | .xlevel = 0x80000008,
|
368 | c6dc6f63 | Andre Przywara | .model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz",
|
369 | c6dc6f63 | Andre Przywara | }, |
370 | c6dc6f63 | Andre Przywara | { |
371 | c6dc6f63 | Andre Przywara | .name = "486",
|
372 | c6dc6f63 | Andre Przywara | .level = 0,
|
373 | c6dc6f63 | Andre Przywara | .family = 4,
|
374 | c6dc6f63 | Andre Przywara | .model = 0,
|
375 | c6dc6f63 | Andre Przywara | .stepping = 0,
|
376 | c6dc6f63 | Andre Przywara | .features = I486_FEATURES, |
377 | c6dc6f63 | Andre Przywara | .xlevel = 0,
|
378 | c6dc6f63 | Andre Przywara | }, |
379 | c6dc6f63 | Andre Przywara | { |
380 | c6dc6f63 | Andre Przywara | .name = "pentium",
|
381 | c6dc6f63 | Andre Przywara | .level = 1,
|
382 | c6dc6f63 | Andre Przywara | .family = 5,
|
383 | c6dc6f63 | Andre Przywara | .model = 4,
|
384 | c6dc6f63 | Andre Przywara | .stepping = 3,
|
385 | c6dc6f63 | Andre Przywara | .features = PENTIUM_FEATURES, |
386 | c6dc6f63 | Andre Przywara | .xlevel = 0,
|
387 | c6dc6f63 | Andre Przywara | }, |
388 | c6dc6f63 | Andre Przywara | { |
389 | c6dc6f63 | Andre Przywara | .name = "pentium2",
|
390 | c6dc6f63 | Andre Przywara | .level = 2,
|
391 | c6dc6f63 | Andre Przywara | .family = 6,
|
392 | c6dc6f63 | Andre Przywara | .model = 5,
|
393 | c6dc6f63 | Andre Przywara | .stepping = 2,
|
394 | c6dc6f63 | Andre Przywara | .features = PENTIUM2_FEATURES, |
395 | c6dc6f63 | Andre Przywara | .xlevel = 0,
|
396 | c6dc6f63 | Andre Przywara | }, |
397 | c6dc6f63 | Andre Przywara | { |
398 | c6dc6f63 | Andre Przywara | .name = "pentium3",
|
399 | c6dc6f63 | Andre Przywara | .level = 2,
|
400 | c6dc6f63 | Andre Przywara | .family = 6,
|
401 | c6dc6f63 | Andre Przywara | .model = 7,
|
402 | c6dc6f63 | Andre Przywara | .stepping = 3,
|
403 | c6dc6f63 | Andre Przywara | .features = PENTIUM3_FEATURES, |
404 | c6dc6f63 | Andre Przywara | .xlevel = 0,
|
405 | c6dc6f63 | Andre Przywara | }, |
406 | c6dc6f63 | Andre Przywara | { |
407 | c6dc6f63 | Andre Przywara | .name = "athlon",
|
408 | c6dc6f63 | Andre Przywara | .level = 2,
|
409 | c6dc6f63 | Andre Przywara | .vendor1 = CPUID_VENDOR_AMD_1, |
410 | c6dc6f63 | Andre Przywara | .vendor2 = CPUID_VENDOR_AMD_2, |
411 | c6dc6f63 | Andre Przywara | .vendor3 = CPUID_VENDOR_AMD_3, |
412 | c6dc6f63 | Andre Przywara | .family = 6,
|
413 | c6dc6f63 | Andre Przywara | .model = 2,
|
414 | c6dc6f63 | Andre Przywara | .stepping = 3,
|
415 | c6dc6f63 | Andre Przywara | .features = PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR | CPUID_MCA, |
416 | 42673936 | Andre Przywara | .ext2_features = (PPRO_FEATURES & EXT2_FEATURE_MASK) | CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT, |
417 | c6dc6f63 | Andre Przywara | .xlevel = 0x80000008,
|
418 | c6dc6f63 | Andre Przywara | /* XXX: put another string ? */
|
419 | c6dc6f63 | Andre Przywara | .model_id = "QEMU Virtual CPU version " QEMU_VERSION,
|
420 | c6dc6f63 | Andre Przywara | }, |
421 | c6dc6f63 | Andre Przywara | { |
422 | c6dc6f63 | Andre Przywara | .name = "n270",
|
423 | c6dc6f63 | Andre Przywara | /* original is on level 10 */
|
424 | c6dc6f63 | Andre Przywara | .level = 5,
|
425 | c6dc6f63 | Andre Przywara | .family = 6,
|
426 | c6dc6f63 | Andre Przywara | .model = 28,
|
427 | c6dc6f63 | Andre Przywara | .stepping = 2,
|
428 | c6dc6f63 | Andre Przywara | .features = PPRO_FEATURES | |
429 | c6dc6f63 | Andre Przywara | CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME, |
430 | c6dc6f63 | Andre Przywara | /* Missing: CPUID_DTS | CPUID_ACPI | CPUID_SS |
|
431 | c6dc6f63 | Andre Przywara | * CPUID_HT | CPUID_TM | CPUID_PBE */
|
432 | c6dc6f63 | Andre Przywara | /* Some CPUs got no CPUID_SEP */
|
433 | c6dc6f63 | Andre Przywara | .ext_features = CPUID_EXT_MONITOR | |
434 | c6dc6f63 | Andre Przywara | CPUID_EXT_SSE3 /* PNI */ | CPUID_EXT_SSSE3,
|
435 | c6dc6f63 | Andre Przywara | /* Missing: CPUID_EXT_DSCPL | CPUID_EXT_EST |
|
436 | c6dc6f63 | Andre Przywara | * CPUID_EXT_TM2 | CPUID_EXT_XTPR */
|
437 | 42673936 | Andre Przywara | .ext2_features = (PPRO_FEATURES & EXT2_FEATURE_MASK) | CPUID_EXT2_NX, |
438 | c6dc6f63 | Andre Przywara | /* Missing: .ext3_features = CPUID_EXT3_LAHF_LM */
|
439 | c6dc6f63 | Andre Przywara | .xlevel = 0x8000000A,
|
440 | c6dc6f63 | Andre Przywara | .model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
|
441 | c6dc6f63 | Andre Przywara | }, |
442 | c6dc6f63 | Andre Przywara | }; |
443 | c6dc6f63 | Andre Przywara | |
444 | c6dc6f63 | Andre Przywara | static int cpu_x86_fill_model_id(char *str) |
445 | c6dc6f63 | Andre Przywara | { |
446 | c6dc6f63 | Andre Przywara | uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0; |
447 | c6dc6f63 | Andre Przywara | int i;
|
448 | c6dc6f63 | Andre Przywara | |
449 | c6dc6f63 | Andre Przywara | for (i = 0; i < 3; i++) { |
450 | c6dc6f63 | Andre Przywara | host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx); |
451 | c6dc6f63 | Andre Przywara | memcpy(str + i * 16 + 0, &eax, 4); |
452 | c6dc6f63 | Andre Przywara | memcpy(str + i * 16 + 4, &ebx, 4); |
453 | c6dc6f63 | Andre Przywara | memcpy(str + i * 16 + 8, &ecx, 4); |
454 | c6dc6f63 | Andre Przywara | memcpy(str + i * 16 + 12, &edx, 4); |
455 | c6dc6f63 | Andre Przywara | } |
456 | c6dc6f63 | Andre Przywara | return 0; |
457 | c6dc6f63 | Andre Przywara | } |
458 | c6dc6f63 | Andre Przywara | |
459 | c6dc6f63 | Andre Przywara | static int cpu_x86_fill_host(x86_def_t *x86_cpu_def) |
460 | c6dc6f63 | Andre Przywara | { |
461 | c6dc6f63 | Andre Przywara | uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0; |
462 | c6dc6f63 | Andre Przywara | |
463 | c6dc6f63 | Andre Przywara | x86_cpu_def->name = "host";
|
464 | c6dc6f63 | Andre Przywara | host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx); |
465 | c6dc6f63 | Andre Przywara | x86_cpu_def->level = eax; |
466 | c6dc6f63 | Andre Przywara | x86_cpu_def->vendor1 = ebx; |
467 | c6dc6f63 | Andre Przywara | x86_cpu_def->vendor2 = edx; |
468 | c6dc6f63 | Andre Przywara | x86_cpu_def->vendor3 = ecx; |
469 | c6dc6f63 | Andre Przywara | |
470 | c6dc6f63 | Andre Przywara | host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx); |
471 | c6dc6f63 | Andre Przywara | x86_cpu_def->family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF); |
472 | c6dc6f63 | Andre Przywara | x86_cpu_def->model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12); |
473 | c6dc6f63 | Andre Przywara | x86_cpu_def->stepping = eax & 0x0F;
|
474 | c6dc6f63 | Andre Przywara | x86_cpu_def->ext_features = ecx; |
475 | c6dc6f63 | Andre Przywara | x86_cpu_def->features = edx; |
476 | c6dc6f63 | Andre Przywara | |
477 | c6dc6f63 | Andre Przywara | host_cpuid(0x80000000, 0, &eax, &ebx, &ecx, &edx); |
478 | c6dc6f63 | Andre Przywara | x86_cpu_def->xlevel = eax; |
479 | c6dc6f63 | Andre Przywara | |
480 | c6dc6f63 | Andre Przywara | host_cpuid(0x80000001, 0, &eax, &ebx, &ecx, &edx); |
481 | c6dc6f63 | Andre Przywara | x86_cpu_def->ext2_features = edx; |
482 | c6dc6f63 | Andre Przywara | x86_cpu_def->ext3_features = ecx; |
483 | c6dc6f63 | Andre Przywara | cpu_x86_fill_model_id(x86_cpu_def->model_id); |
484 | c6dc6f63 | Andre Przywara | x86_cpu_def->vendor_override = 0;
|
485 | c6dc6f63 | Andre Przywara | |
486 | c6dc6f63 | Andre Przywara | return 0; |
487 | c6dc6f63 | Andre Przywara | } |
488 | c6dc6f63 | Andre Przywara | |
489 | c6dc6f63 | Andre Przywara | static int unavailable_host_feature(struct model_features_t *f, uint32_t mask) |
490 | c6dc6f63 | Andre Przywara | { |
491 | c6dc6f63 | Andre Przywara | int i;
|
492 | c6dc6f63 | Andre Przywara | |
493 | c6dc6f63 | Andre Przywara | for (i = 0; i < 32; ++i) |
494 | c6dc6f63 | Andre Przywara | if (1 << i & mask) { |
495 | c6dc6f63 | Andre Przywara | fprintf(stderr, "warning: host cpuid %04x_%04x lacks requested"
|
496 | c6dc6f63 | Andre Przywara | " flag '%s' [0x%08x]\n",
|
497 | c6dc6f63 | Andre Przywara | f->cpuid >> 16, f->cpuid & 0xffff, |
498 | c6dc6f63 | Andre Przywara | f->flag_names[i] ? f->flag_names[i] : "[reserved]", mask);
|
499 | c6dc6f63 | Andre Przywara | break;
|
500 | c6dc6f63 | Andre Przywara | } |
501 | c6dc6f63 | Andre Przywara | return 0; |
502 | c6dc6f63 | Andre Przywara | } |
503 | c6dc6f63 | Andre Przywara | |
504 | c6dc6f63 | Andre Przywara | /* best effort attempt to inform user requested cpu flags aren't making
|
505 | c6dc6f63 | Andre Przywara | * their way to the guest. Note: ft[].check_feat ideally should be
|
506 | c6dc6f63 | Andre Przywara | * specified via a guest_def field to suppress report of extraneous flags.
|
507 | c6dc6f63 | Andre Przywara | */
|
508 | c6dc6f63 | Andre Przywara | static int check_features_against_host(x86_def_t *guest_def) |
509 | c6dc6f63 | Andre Przywara | { |
510 | c6dc6f63 | Andre Przywara | x86_def_t host_def; |
511 | c6dc6f63 | Andre Przywara | uint32_t mask; |
512 | c6dc6f63 | Andre Przywara | int rv, i;
|
513 | c6dc6f63 | Andre Przywara | struct model_features_t ft[] = {
|
514 | c6dc6f63 | Andre Przywara | {&guest_def->features, &host_def.features, |
515 | c6dc6f63 | Andre Przywara | ~0, feature_name, 0x00000000}, |
516 | c6dc6f63 | Andre Przywara | {&guest_def->ext_features, &host_def.ext_features, |
517 | c6dc6f63 | Andre Przywara | ~CPUID_EXT_HYPERVISOR, ext_feature_name, 0x00000001},
|
518 | c6dc6f63 | Andre Przywara | {&guest_def->ext2_features, &host_def.ext2_features, |
519 | c6dc6f63 | Andre Przywara | ~PPRO_FEATURES, ext2_feature_name, 0x80000000},
|
520 | c6dc6f63 | Andre Przywara | {&guest_def->ext3_features, &host_def.ext3_features, |
521 | c6dc6f63 | Andre Przywara | ~CPUID_EXT3_SVM, ext3_feature_name, 0x80000001}};
|
522 | c6dc6f63 | Andre Przywara | |
523 | c6dc6f63 | Andre Przywara | cpu_x86_fill_host(&host_def); |
524 | c6dc6f63 | Andre Przywara | for (rv = 0, i = 0; i < sizeof (ft) / sizeof (ft[0]); ++i) |
525 | c6dc6f63 | Andre Przywara | for (mask = 1; mask; mask <<= 1) |
526 | c6dc6f63 | Andre Przywara | if (ft[i].check_feat & mask && *ft[i].guest_feat & mask &&
|
527 | c6dc6f63 | Andre Przywara | !(*ft[i].host_feat & mask)) { |
528 | c6dc6f63 | Andre Przywara | unavailable_host_feature(&ft[i], mask); |
529 | c6dc6f63 | Andre Przywara | rv = 1;
|
530 | c6dc6f63 | Andre Przywara | } |
531 | c6dc6f63 | Andre Przywara | return rv;
|
532 | c6dc6f63 | Andre Przywara | } |
533 | c6dc6f63 | Andre Przywara | |
534 | c6dc6f63 | Andre Przywara | static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *cpu_model) |
535 | c6dc6f63 | Andre Przywara | { |
536 | c6dc6f63 | Andre Przywara | unsigned int i; |
537 | c6dc6f63 | Andre Przywara | x86_def_t *def; |
538 | c6dc6f63 | Andre Przywara | |
539 | c6dc6f63 | Andre Przywara | char *s = strdup(cpu_model);
|
540 | c6dc6f63 | Andre Przywara | char *featurestr, *name = strtok(s, ","); |
541 | c6dc6f63 | Andre Przywara | uint32_t plus_features = 0, plus_ext_features = 0, plus_ext2_features = 0, plus_ext3_features = 0, plus_kvm_features = 0; |
542 | c6dc6f63 | Andre Przywara | uint32_t minus_features = 0, minus_ext_features = 0, minus_ext2_features = 0, minus_ext3_features = 0, minus_kvm_features = 0; |
543 | c6dc6f63 | Andre Przywara | uint32_t numvalue; |
544 | c6dc6f63 | Andre Przywara | |
545 | c6dc6f63 | Andre Przywara | for (def = x86_defs; def; def = def->next)
|
546 | c6dc6f63 | Andre Przywara | if (!strcmp(name, def->name))
|
547 | c6dc6f63 | Andre Przywara | break;
|
548 | c6dc6f63 | Andre Przywara | if (kvm_enabled() && strcmp(name, "host") == 0) { |
549 | c6dc6f63 | Andre Przywara | cpu_x86_fill_host(x86_cpu_def); |
550 | c6dc6f63 | Andre Przywara | } else if (!def) { |
551 | c6dc6f63 | Andre Przywara | goto error;
|
552 | c6dc6f63 | Andre Przywara | } else {
|
553 | c6dc6f63 | Andre Przywara | memcpy(x86_cpu_def, def, sizeof(*def));
|
554 | c6dc6f63 | Andre Przywara | } |
555 | c6dc6f63 | Andre Przywara | |
556 | c6dc6f63 | Andre Przywara | plus_kvm_features = ~0; /* not supported bits will be filtered out later */ |
557 | c6dc6f63 | Andre Przywara | |
558 | c6dc6f63 | Andre Przywara | add_flagname_to_bitmaps("hypervisor", &plus_features,
|
559 | c6dc6f63 | Andre Przywara | &plus_ext_features, &plus_ext2_features, &plus_ext3_features, |
560 | c6dc6f63 | Andre Przywara | &plus_kvm_features); |
561 | c6dc6f63 | Andre Przywara | |
562 | c6dc6f63 | Andre Przywara | featurestr = strtok(NULL, ","); |
563 | c6dc6f63 | Andre Przywara | |
564 | c6dc6f63 | Andre Przywara | while (featurestr) {
|
565 | c6dc6f63 | Andre Przywara | char *val;
|
566 | c6dc6f63 | Andre Przywara | if (featurestr[0] == '+') { |
567 | c6dc6f63 | Andre Przywara | add_flagname_to_bitmaps(featurestr + 1, &plus_features, &plus_ext_features, &plus_ext2_features, &plus_ext3_features, &plus_kvm_features);
|
568 | c6dc6f63 | Andre Przywara | } else if (featurestr[0] == '-') { |
569 | c6dc6f63 | Andre Przywara | add_flagname_to_bitmaps(featurestr + 1, &minus_features, &minus_ext_features, &minus_ext2_features, &minus_ext3_features, &minus_kvm_features);
|
570 | c6dc6f63 | Andre Przywara | } else if ((val = strchr(featurestr, '='))) { |
571 | c6dc6f63 | Andre Przywara | *val = 0; val++;
|
572 | c6dc6f63 | Andre Przywara | if (!strcmp(featurestr, "family")) { |
573 | c6dc6f63 | Andre Przywara | char *err;
|
574 | c6dc6f63 | Andre Przywara | numvalue = strtoul(val, &err, 0);
|
575 | c6dc6f63 | Andre Przywara | if (!*val || *err) {
|
576 | c6dc6f63 | Andre Przywara | fprintf(stderr, "bad numerical value %s\n", val);
|
577 | c6dc6f63 | Andre Przywara | goto error;
|
578 | c6dc6f63 | Andre Przywara | } |
579 | c6dc6f63 | Andre Przywara | x86_cpu_def->family = numvalue; |
580 | c6dc6f63 | Andre Przywara | } else if (!strcmp(featurestr, "model")) { |
581 | c6dc6f63 | Andre Przywara | char *err;
|
582 | c6dc6f63 | Andre Przywara | numvalue = strtoul(val, &err, 0);
|
583 | c6dc6f63 | Andre Przywara | if (!*val || *err || numvalue > 0xff) { |
584 | c6dc6f63 | Andre Przywara | fprintf(stderr, "bad numerical value %s\n", val);
|
585 | c6dc6f63 | Andre Przywara | goto error;
|
586 | c6dc6f63 | Andre Przywara | } |
587 | c6dc6f63 | Andre Przywara | x86_cpu_def->model = numvalue; |
588 | c6dc6f63 | Andre Przywara | } else if (!strcmp(featurestr, "stepping")) { |
589 | c6dc6f63 | Andre Przywara | char *err;
|
590 | c6dc6f63 | Andre Przywara | numvalue = strtoul(val, &err, 0);
|
591 | c6dc6f63 | Andre Przywara | if (!*val || *err || numvalue > 0xf) { |
592 | c6dc6f63 | Andre Przywara | fprintf(stderr, "bad numerical value %s\n", val);
|
593 | c6dc6f63 | Andre Przywara | goto error;
|
594 | c6dc6f63 | Andre Przywara | } |
595 | c6dc6f63 | Andre Przywara | x86_cpu_def->stepping = numvalue ; |
596 | c6dc6f63 | Andre Przywara | } else if (!strcmp(featurestr, "level")) { |
597 | c6dc6f63 | Andre Przywara | char *err;
|
598 | c6dc6f63 | Andre Przywara | numvalue = strtoul(val, &err, 0);
|
599 | c6dc6f63 | Andre Przywara | if (!*val || *err) {
|
600 | c6dc6f63 | Andre Przywara | fprintf(stderr, "bad numerical value %s\n", val);
|
601 | c6dc6f63 | Andre Przywara | goto error;
|
602 | c6dc6f63 | Andre Przywara | } |
603 | c6dc6f63 | Andre Przywara | x86_cpu_def->level = numvalue; |
604 | c6dc6f63 | Andre Przywara | } else if (!strcmp(featurestr, "xlevel")) { |
605 | c6dc6f63 | Andre Przywara | char *err;
|
606 | c6dc6f63 | Andre Przywara | numvalue = strtoul(val, &err, 0);
|
607 | c6dc6f63 | Andre Przywara | if (!*val || *err) {
|
608 | c6dc6f63 | Andre Przywara | fprintf(stderr, "bad numerical value %s\n", val);
|
609 | c6dc6f63 | Andre Przywara | goto error;
|
610 | c6dc6f63 | Andre Przywara | } |
611 | c6dc6f63 | Andre Przywara | if (numvalue < 0x80000000) { |
612 | c6dc6f63 | Andre Przywara | numvalue += 0x80000000;
|
613 | c6dc6f63 | Andre Przywara | } |
614 | c6dc6f63 | Andre Przywara | x86_cpu_def->xlevel = numvalue; |
615 | c6dc6f63 | Andre Przywara | } else if (!strcmp(featurestr, "vendor")) { |
616 | c6dc6f63 | Andre Przywara | if (strlen(val) != 12) { |
617 | c6dc6f63 | Andre Przywara | fprintf(stderr, "vendor string must be 12 chars long\n");
|
618 | c6dc6f63 | Andre Przywara | goto error;
|
619 | c6dc6f63 | Andre Przywara | } |
620 | c6dc6f63 | Andre Przywara | x86_cpu_def->vendor1 = 0;
|
621 | c6dc6f63 | Andre Przywara | x86_cpu_def->vendor2 = 0;
|
622 | c6dc6f63 | Andre Przywara | x86_cpu_def->vendor3 = 0;
|
623 | c6dc6f63 | Andre Przywara | for(i = 0; i < 4; i++) { |
624 | c6dc6f63 | Andre Przywara | x86_cpu_def->vendor1 |= ((uint8_t)val[i ]) << (8 * i);
|
625 | c6dc6f63 | Andre Przywara | x86_cpu_def->vendor2 |= ((uint8_t)val[i + 4]) << (8 * i); |
626 | c6dc6f63 | Andre Przywara | x86_cpu_def->vendor3 |= ((uint8_t)val[i + 8]) << (8 * i); |
627 | c6dc6f63 | Andre Przywara | } |
628 | c6dc6f63 | Andre Przywara | x86_cpu_def->vendor_override = 1;
|
629 | c6dc6f63 | Andre Przywara | } else if (!strcmp(featurestr, "model_id")) { |
630 | c6dc6f63 | Andre Przywara | pstrcpy(x86_cpu_def->model_id, sizeof(x86_cpu_def->model_id),
|
631 | c6dc6f63 | Andre Przywara | val); |
632 | c6dc6f63 | Andre Przywara | } else {
|
633 | c6dc6f63 | Andre Przywara | fprintf(stderr, "unrecognized feature %s\n", featurestr);
|
634 | c6dc6f63 | Andre Przywara | goto error;
|
635 | c6dc6f63 | Andre Przywara | } |
636 | c6dc6f63 | Andre Przywara | } else if (!strcmp(featurestr, "check")) { |
637 | c6dc6f63 | Andre Przywara | check_cpuid = 1;
|
638 | c6dc6f63 | Andre Przywara | } else if (!strcmp(featurestr, "enforce")) { |
639 | c6dc6f63 | Andre Przywara | check_cpuid = enforce_cpuid = 1;
|
640 | c6dc6f63 | Andre Przywara | } else {
|
641 | c6dc6f63 | Andre Przywara | fprintf(stderr, "feature string `%s' not in format (+feature|-feature|feature=xyz)\n", featurestr);
|
642 | c6dc6f63 | Andre Przywara | goto error;
|
643 | c6dc6f63 | Andre Przywara | } |
644 | c6dc6f63 | Andre Przywara | featurestr = strtok(NULL, ","); |
645 | c6dc6f63 | Andre Przywara | } |
646 | c6dc6f63 | Andre Przywara | x86_cpu_def->features |= plus_features; |
647 | c6dc6f63 | Andre Przywara | x86_cpu_def->ext_features |= plus_ext_features; |
648 | c6dc6f63 | Andre Przywara | x86_cpu_def->ext2_features |= plus_ext2_features; |
649 | c6dc6f63 | Andre Przywara | x86_cpu_def->ext3_features |= plus_ext3_features; |
650 | c6dc6f63 | Andre Przywara | x86_cpu_def->kvm_features |= plus_kvm_features; |
651 | c6dc6f63 | Andre Przywara | x86_cpu_def->features &= ~minus_features; |
652 | c6dc6f63 | Andre Przywara | x86_cpu_def->ext_features &= ~minus_ext_features; |
653 | c6dc6f63 | Andre Przywara | x86_cpu_def->ext2_features &= ~minus_ext2_features; |
654 | c6dc6f63 | Andre Przywara | x86_cpu_def->ext3_features &= ~minus_ext3_features; |
655 | c6dc6f63 | Andre Przywara | x86_cpu_def->kvm_features &= ~minus_kvm_features; |
656 | c6dc6f63 | Andre Przywara | if (check_cpuid) {
|
657 | c6dc6f63 | Andre Przywara | if (check_features_against_host(x86_cpu_def) && enforce_cpuid)
|
658 | c6dc6f63 | Andre Przywara | goto error;
|
659 | c6dc6f63 | Andre Przywara | } |
660 | c6dc6f63 | Andre Przywara | free(s); |
661 | c6dc6f63 | Andre Przywara | return 0; |
662 | c6dc6f63 | Andre Przywara | |
663 | c6dc6f63 | Andre Przywara | error:
|
664 | c6dc6f63 | Andre Przywara | free(s); |
665 | c6dc6f63 | Andre Przywara | return -1; |
666 | c6dc6f63 | Andre Przywara | } |
667 | c6dc6f63 | Andre Przywara | |
668 | c6dc6f63 | Andre Przywara | /* generate a composite string into buf of all cpuid names in featureset
|
669 | c6dc6f63 | Andre Przywara | * selected by fbits. indicate truncation at bufsize in the event of overflow.
|
670 | c6dc6f63 | Andre Przywara | * if flags, suppress names undefined in featureset.
|
671 | c6dc6f63 | Andre Przywara | */
|
672 | c6dc6f63 | Andre Przywara | static void listflags(char *buf, int bufsize, uint32_t fbits, |
673 | c6dc6f63 | Andre Przywara | const char **featureset, uint32_t flags) |
674 | c6dc6f63 | Andre Przywara | { |
675 | c6dc6f63 | Andre Przywara | const char **p = &featureset[31]; |
676 | c6dc6f63 | Andre Przywara | char *q, *b, bit;
|
677 | c6dc6f63 | Andre Przywara | int nc;
|
678 | c6dc6f63 | Andre Przywara | |
679 | c6dc6f63 | Andre Przywara | b = 4 <= bufsize ? buf + (bufsize -= 3) - 1 : NULL; |
680 | c6dc6f63 | Andre Przywara | *buf = '\0';
|
681 | c6dc6f63 | Andre Przywara | for (q = buf, bit = 31; fbits && bufsize; --p, fbits &= ~(1 << bit), --bit) |
682 | c6dc6f63 | Andre Przywara | if (fbits & 1 << bit && (*p || !flags)) { |
683 | c6dc6f63 | Andre Przywara | if (*p)
|
684 | c6dc6f63 | Andre Przywara | nc = snprintf(q, bufsize, "%s%s", q == buf ? "" : " ", *p); |
685 | c6dc6f63 | Andre Przywara | else
|
686 | c6dc6f63 | Andre Przywara | nc = snprintf(q, bufsize, "%s[%d]", q == buf ? "" : " ", bit); |
687 | c6dc6f63 | Andre Przywara | if (bufsize <= nc) {
|
688 | c6dc6f63 | Andre Przywara | if (b) {
|
689 | c6dc6f63 | Andre Przywara | memcpy(b, "...", sizeof("...")); |
690 | c6dc6f63 | Andre Przywara | } |
691 | c6dc6f63 | Andre Przywara | return;
|
692 | c6dc6f63 | Andre Przywara | } |
693 | c6dc6f63 | Andre Przywara | q += nc; |
694 | c6dc6f63 | Andre Przywara | bufsize -= nc; |
695 | c6dc6f63 | Andre Przywara | } |
696 | c6dc6f63 | Andre Przywara | } |
697 | c6dc6f63 | Andre Przywara | |
698 | c6dc6f63 | Andre Przywara | /* generate CPU information:
|
699 | c6dc6f63 | Andre Przywara | * -? list model names
|
700 | c6dc6f63 | Andre Przywara | * -?model list model names/IDs
|
701 | c6dc6f63 | Andre Przywara | * -?dump output all model (x86_def_t) data
|
702 | c6dc6f63 | Andre Przywara | * -?cpuid list all recognized cpuid flag names
|
703 | c6dc6f63 | Andre Przywara | */
|
704 | c6dc6f63 | Andre Przywara | void x86_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
705 | c6dc6f63 | Andre Przywara | const char *optarg) |
706 | c6dc6f63 | Andre Przywara | { |
707 | c6dc6f63 | Andre Przywara | unsigned char model = !strcmp("?model", optarg); |
708 | c6dc6f63 | Andre Przywara | unsigned char dump = !strcmp("?dump", optarg); |
709 | c6dc6f63 | Andre Przywara | unsigned char cpuid = !strcmp("?cpuid", optarg); |
710 | c6dc6f63 | Andre Przywara | x86_def_t *def; |
711 | c6dc6f63 | Andre Przywara | char buf[256]; |
712 | c6dc6f63 | Andre Przywara | |
713 | c6dc6f63 | Andre Przywara | if (cpuid) {
|
714 | c6dc6f63 | Andre Przywara | (*cpu_fprintf)(f, "Recognized CPUID flags:\n");
|
715 | c6dc6f63 | Andre Przywara | listflags(buf, sizeof (buf), (uint32_t)~0, feature_name, 1); |
716 | c6dc6f63 | Andre Przywara | (*cpu_fprintf)(f, " f_edx: %s\n", buf);
|
717 | c6dc6f63 | Andre Przywara | listflags(buf, sizeof (buf), (uint32_t)~0, ext_feature_name, 1); |
718 | c6dc6f63 | Andre Przywara | (*cpu_fprintf)(f, " f_ecx: %s\n", buf);
|
719 | c6dc6f63 | Andre Przywara | listflags(buf, sizeof (buf), (uint32_t)~0, ext2_feature_name, 1); |
720 | c6dc6f63 | Andre Przywara | (*cpu_fprintf)(f, " extf_edx: %s\n", buf);
|
721 | c6dc6f63 | Andre Przywara | listflags(buf, sizeof (buf), (uint32_t)~0, ext3_feature_name, 1); |
722 | c6dc6f63 | Andre Przywara | (*cpu_fprintf)(f, " extf_ecx: %s\n", buf);
|
723 | c6dc6f63 | Andre Przywara | return;
|
724 | c6dc6f63 | Andre Przywara | } |
725 | c6dc6f63 | Andre Przywara | for (def = x86_defs; def; def = def->next) {
|
726 | c6dc6f63 | Andre Przywara | snprintf(buf, sizeof (buf), def->flags ? "[%s]": "%s", def->name); |
727 | c6dc6f63 | Andre Przywara | if (model || dump) {
|
728 | c6dc6f63 | Andre Przywara | (*cpu_fprintf)(f, "x86 %16s %-48s\n", buf, def->model_id);
|
729 | c6dc6f63 | Andre Przywara | } else {
|
730 | c6dc6f63 | Andre Przywara | (*cpu_fprintf)(f, "x86 %16s\n", buf);
|
731 | c6dc6f63 | Andre Przywara | } |
732 | c6dc6f63 | Andre Przywara | if (dump) {
|
733 | c6dc6f63 | Andre Przywara | memcpy(buf, &def->vendor1, sizeof (def->vendor1));
|
734 | c6dc6f63 | Andre Przywara | memcpy(buf + 4, &def->vendor2, sizeof (def->vendor2)); |
735 | c6dc6f63 | Andre Przywara | memcpy(buf + 8, &def->vendor3, sizeof (def->vendor3)); |
736 | c6dc6f63 | Andre Przywara | buf[12] = '\0'; |
737 | c6dc6f63 | Andre Przywara | (*cpu_fprintf)(f, |
738 | c6dc6f63 | Andre Przywara | " family %d model %d stepping %d level %d xlevel 0x%x"
|
739 | c6dc6f63 | Andre Przywara | " vendor \"%s\"\n",
|
740 | c6dc6f63 | Andre Przywara | def->family, def->model, def->stepping, def->level, |
741 | c6dc6f63 | Andre Przywara | def->xlevel, buf); |
742 | c6dc6f63 | Andre Przywara | listflags(buf, sizeof (buf), def->features, feature_name, 0); |
743 | c6dc6f63 | Andre Przywara | (*cpu_fprintf)(f, " feature_edx %08x (%s)\n", def->features,
|
744 | c6dc6f63 | Andre Przywara | buf); |
745 | c6dc6f63 | Andre Przywara | listflags(buf, sizeof (buf), def->ext_features, ext_feature_name,
|
746 | c6dc6f63 | Andre Przywara | 0);
|
747 | c6dc6f63 | Andre Przywara | (*cpu_fprintf)(f, " feature_ecx %08x (%s)\n", def->ext_features,
|
748 | c6dc6f63 | Andre Przywara | buf); |
749 | c6dc6f63 | Andre Przywara | listflags(buf, sizeof (buf), def->ext2_features, ext2_feature_name,
|
750 | c6dc6f63 | Andre Przywara | 0);
|
751 | c6dc6f63 | Andre Przywara | (*cpu_fprintf)(f, " extfeature_edx %08x (%s)\n",
|
752 | c6dc6f63 | Andre Przywara | def->ext2_features, buf); |
753 | c6dc6f63 | Andre Przywara | listflags(buf, sizeof (buf), def->ext3_features, ext3_feature_name,
|
754 | c6dc6f63 | Andre Przywara | 0);
|
755 | c6dc6f63 | Andre Przywara | (*cpu_fprintf)(f, " extfeature_ecx %08x (%s)\n",
|
756 | c6dc6f63 | Andre Przywara | def->ext3_features, buf); |
757 | c6dc6f63 | Andre Przywara | (*cpu_fprintf)(f, "\n");
|
758 | c6dc6f63 | Andre Przywara | } |
759 | c6dc6f63 | Andre Przywara | } |
760 | ed2c54d4 | Andre Przywara | if (kvm_enabled()) {
|
761 | ed2c54d4 | Andre Przywara | (*cpu_fprintf)(f, "x86 %16s\n", "[host]"); |
762 | ed2c54d4 | Andre Przywara | } |
763 | c6dc6f63 | Andre Przywara | } |
764 | c6dc6f63 | Andre Przywara | |
765 | c6dc6f63 | Andre Przywara | int cpu_x86_register (CPUX86State *env, const char *cpu_model) |
766 | c6dc6f63 | Andre Przywara | { |
767 | c6dc6f63 | Andre Przywara | x86_def_t def1, *def = &def1; |
768 | c6dc6f63 | Andre Przywara | |
769 | c6dc6f63 | Andre Przywara | if (cpu_x86_find_by_name(def, cpu_model) < 0) |
770 | c6dc6f63 | Andre Przywara | return -1; |
771 | c6dc6f63 | Andre Przywara | if (def->vendor1) {
|
772 | c6dc6f63 | Andre Przywara | env->cpuid_vendor1 = def->vendor1; |
773 | c6dc6f63 | Andre Przywara | env->cpuid_vendor2 = def->vendor2; |
774 | c6dc6f63 | Andre Przywara | env->cpuid_vendor3 = def->vendor3; |
775 | c6dc6f63 | Andre Przywara | } else {
|
776 | c6dc6f63 | Andre Przywara | env->cpuid_vendor1 = CPUID_VENDOR_INTEL_1; |
777 | c6dc6f63 | Andre Przywara | env->cpuid_vendor2 = CPUID_VENDOR_INTEL_2; |
778 | c6dc6f63 | Andre Przywara | env->cpuid_vendor3 = CPUID_VENDOR_INTEL_3; |
779 | c6dc6f63 | Andre Przywara | } |
780 | c6dc6f63 | Andre Przywara | env->cpuid_vendor_override = def->vendor_override; |
781 | c6dc6f63 | Andre Przywara | env->cpuid_level = def->level; |
782 | c6dc6f63 | Andre Przywara | if (def->family > 0x0f) |
783 | c6dc6f63 | Andre Przywara | env->cpuid_version = 0xf00 | ((def->family - 0x0f) << 20); |
784 | c6dc6f63 | Andre Przywara | else
|
785 | c6dc6f63 | Andre Przywara | env->cpuid_version = def->family << 8;
|
786 | c6dc6f63 | Andre Przywara | env->cpuid_version |= ((def->model & 0xf) << 4) | ((def->model >> 4) << 16); |
787 | c6dc6f63 | Andre Przywara | env->cpuid_version |= def->stepping; |
788 | c6dc6f63 | Andre Przywara | env->cpuid_features = def->features; |
789 | c6dc6f63 | Andre Przywara | env->pat = 0x0007040600070406ULL;
|
790 | c6dc6f63 | Andre Przywara | env->cpuid_ext_features = def->ext_features; |
791 | c6dc6f63 | Andre Przywara | env->cpuid_ext2_features = def->ext2_features; |
792 | 4d067ed7 | Andre Przywara | env->cpuid_ext3_features = def->ext3_features; |
793 | c6dc6f63 | Andre Przywara | env->cpuid_xlevel = def->xlevel; |
794 | c6dc6f63 | Andre Przywara | env->cpuid_kvm_features = def->kvm_features; |
795 | c6dc6f63 | Andre Przywara | { |
796 | c6dc6f63 | Andre Przywara | const char *model_id = def->model_id; |
797 | c6dc6f63 | Andre Przywara | int c, len, i;
|
798 | c6dc6f63 | Andre Przywara | if (!model_id)
|
799 | c6dc6f63 | Andre Przywara | model_id = "";
|
800 | c6dc6f63 | Andre Przywara | len = strlen(model_id); |
801 | c6dc6f63 | Andre Przywara | for(i = 0; i < 48; i++) { |
802 | c6dc6f63 | Andre Przywara | if (i >= len)
|
803 | c6dc6f63 | Andre Przywara | c = '\0';
|
804 | c6dc6f63 | Andre Przywara | else
|
805 | c6dc6f63 | Andre Przywara | c = (uint8_t)model_id[i]; |
806 | c6dc6f63 | Andre Przywara | env->cpuid_model[i >> 2] |= c << (8 * (i & 3)); |
807 | c6dc6f63 | Andre Przywara | } |
808 | c6dc6f63 | Andre Przywara | } |
809 | c6dc6f63 | Andre Przywara | return 0; |
810 | c6dc6f63 | Andre Przywara | } |
811 | c6dc6f63 | Andre Przywara | |
812 | c6dc6f63 | Andre Przywara | #if !defined(CONFIG_USER_ONLY)
|
813 | c6dc6f63 | Andre Przywara | /* copy vendor id string to 32 bit register, nul pad as needed
|
814 | c6dc6f63 | Andre Przywara | */
|
815 | c6dc6f63 | Andre Przywara | static void cpyid(const char *s, uint32_t *id) |
816 | c6dc6f63 | Andre Przywara | { |
817 | c6dc6f63 | Andre Przywara | char *d = (char *)id; |
818 | c6dc6f63 | Andre Przywara | char i;
|
819 | c6dc6f63 | Andre Przywara | |
820 | c6dc6f63 | Andre Przywara | for (i = sizeof (*id); i--; ) |
821 | c6dc6f63 | Andre Przywara | *d++ = *s ? *s++ : '\0';
|
822 | c6dc6f63 | Andre Przywara | } |
823 | c6dc6f63 | Andre Przywara | |
824 | c6dc6f63 | Andre Przywara | /* interpret radix and convert from string to arbitrary scalar,
|
825 | c6dc6f63 | Andre Przywara | * otherwise flag failure
|
826 | c6dc6f63 | Andre Przywara | */
|
827 | c6dc6f63 | Andre Przywara | #define setscalar(pval, str, perr) \
|
828 | c6dc6f63 | Andre Przywara | { \ |
829 | c6dc6f63 | Andre Przywara | char *pend; \
|
830 | c6dc6f63 | Andre Przywara | unsigned long ul; \ |
831 | c6dc6f63 | Andre Przywara | \ |
832 | c6dc6f63 | Andre Przywara | ul = strtoul(str, &pend, 0); \
|
833 | c6dc6f63 | Andre Przywara | *str && !*pend ? (*pval = ul) : (*perr = 1); \
|
834 | c6dc6f63 | Andre Przywara | } |
835 | c6dc6f63 | Andre Przywara | |
836 | c6dc6f63 | Andre Przywara | /* map cpuid options to feature bits, otherwise return failure
|
837 | c6dc6f63 | Andre Przywara | * (option tags in *str are delimited by whitespace)
|
838 | c6dc6f63 | Andre Przywara | */
|
839 | c6dc6f63 | Andre Przywara | static void setfeatures(uint32_t *pval, const char *str, |
840 | c6dc6f63 | Andre Przywara | const char **featureset, int *perr) |
841 | c6dc6f63 | Andre Przywara | { |
842 | c6dc6f63 | Andre Przywara | const char *p, *q; |
843 | c6dc6f63 | Andre Przywara | |
844 | c6dc6f63 | Andre Przywara | for (q = p = str; *p || *q; q = p) {
|
845 | c6dc6f63 | Andre Przywara | while (iswhite(*p))
|
846 | c6dc6f63 | Andre Przywara | q = ++p; |
847 | c6dc6f63 | Andre Przywara | while (*p && !iswhite(*p))
|
848 | c6dc6f63 | Andre Przywara | ++p; |
849 | c6dc6f63 | Andre Przywara | if (!*q && !*p)
|
850 | c6dc6f63 | Andre Przywara | return;
|
851 | c6dc6f63 | Andre Przywara | if (!lookup_feature(pval, q, p, featureset)) {
|
852 | c6dc6f63 | Andre Przywara | fprintf(stderr, "error: feature \"%.*s\" not available in set\n",
|
853 | c6dc6f63 | Andre Przywara | (int)(p - q), q);
|
854 | c6dc6f63 | Andre Przywara | *perr = 1;
|
855 | c6dc6f63 | Andre Przywara | return;
|
856 | c6dc6f63 | Andre Przywara | } |
857 | c6dc6f63 | Andre Przywara | } |
858 | c6dc6f63 | Andre Przywara | } |
859 | c6dc6f63 | Andre Przywara | |
860 | c6dc6f63 | Andre Przywara | /* map config file options to x86_def_t form
|
861 | c6dc6f63 | Andre Przywara | */
|
862 | c6dc6f63 | Andre Przywara | static int cpudef_setfield(const char *name, const char *str, void *opaque) |
863 | c6dc6f63 | Andre Przywara | { |
864 | c6dc6f63 | Andre Przywara | x86_def_t *def = opaque; |
865 | c6dc6f63 | Andre Przywara | int err = 0; |
866 | c6dc6f63 | Andre Przywara | |
867 | c6dc6f63 | Andre Przywara | if (!strcmp(name, "name")) { |
868 | c6dc6f63 | Andre Przywara | def->name = strdup(str); |
869 | c6dc6f63 | Andre Przywara | } else if (!strcmp(name, "model_id")) { |
870 | c6dc6f63 | Andre Przywara | strncpy(def->model_id, str, sizeof (def->model_id));
|
871 | c6dc6f63 | Andre Przywara | } else if (!strcmp(name, "level")) { |
872 | c6dc6f63 | Andre Przywara | setscalar(&def->level, str, &err) |
873 | c6dc6f63 | Andre Przywara | } else if (!strcmp(name, "vendor")) { |
874 | c6dc6f63 | Andre Przywara | cpyid(&str[0], &def->vendor1);
|
875 | c6dc6f63 | Andre Przywara | cpyid(&str[4], &def->vendor2);
|
876 | c6dc6f63 | Andre Przywara | cpyid(&str[8], &def->vendor3);
|
877 | c6dc6f63 | Andre Przywara | } else if (!strcmp(name, "family")) { |
878 | c6dc6f63 | Andre Przywara | setscalar(&def->family, str, &err) |
879 | c6dc6f63 | Andre Przywara | } else if (!strcmp(name, "model")) { |
880 | c6dc6f63 | Andre Przywara | setscalar(&def->model, str, &err) |
881 | c6dc6f63 | Andre Przywara | } else if (!strcmp(name, "stepping")) { |
882 | c6dc6f63 | Andre Przywara | setscalar(&def->stepping, str, &err) |
883 | c6dc6f63 | Andre Przywara | } else if (!strcmp(name, "feature_edx")) { |
884 | c6dc6f63 | Andre Przywara | setfeatures(&def->features, str, feature_name, &err); |
885 | c6dc6f63 | Andre Przywara | } else if (!strcmp(name, "feature_ecx")) { |
886 | c6dc6f63 | Andre Przywara | setfeatures(&def->ext_features, str, ext_feature_name, &err); |
887 | c6dc6f63 | Andre Przywara | } else if (!strcmp(name, "extfeature_edx")) { |
888 | c6dc6f63 | Andre Przywara | setfeatures(&def->ext2_features, str, ext2_feature_name, &err); |
889 | c6dc6f63 | Andre Przywara | } else if (!strcmp(name, "extfeature_ecx")) { |
890 | c6dc6f63 | Andre Przywara | setfeatures(&def->ext3_features, str, ext3_feature_name, &err); |
891 | c6dc6f63 | Andre Przywara | } else if (!strcmp(name, "xlevel")) { |
892 | c6dc6f63 | Andre Przywara | setscalar(&def->xlevel, str, &err) |
893 | c6dc6f63 | Andre Przywara | } else {
|
894 | c6dc6f63 | Andre Przywara | fprintf(stderr, "error: unknown option [%s = %s]\n", name, str);
|
895 | c6dc6f63 | Andre Przywara | return (1); |
896 | c6dc6f63 | Andre Przywara | } |
897 | c6dc6f63 | Andre Przywara | if (err) {
|
898 | c6dc6f63 | Andre Przywara | fprintf(stderr, "error: bad option value [%s = %s]\n", name, str);
|
899 | c6dc6f63 | Andre Przywara | return (1); |
900 | c6dc6f63 | Andre Przywara | } |
901 | c6dc6f63 | Andre Przywara | return (0); |
902 | c6dc6f63 | Andre Przywara | } |
903 | c6dc6f63 | Andre Przywara | |
904 | c6dc6f63 | Andre Przywara | /* register config file entry as x86_def_t
|
905 | c6dc6f63 | Andre Przywara | */
|
906 | c6dc6f63 | Andre Przywara | static int cpudef_register(QemuOpts *opts, void *opaque) |
907 | c6dc6f63 | Andre Przywara | { |
908 | c6dc6f63 | Andre Przywara | x86_def_t *def = qemu_mallocz(sizeof (x86_def_t));
|
909 | c6dc6f63 | Andre Przywara | |
910 | c6dc6f63 | Andre Przywara | qemu_opt_foreach(opts, cpudef_setfield, def, 1);
|
911 | c6dc6f63 | Andre Przywara | def->next = x86_defs; |
912 | c6dc6f63 | Andre Przywara | x86_defs = def; |
913 | c6dc6f63 | Andre Przywara | return (0); |
914 | c6dc6f63 | Andre Przywara | } |
915 | c6dc6f63 | Andre Przywara | #endif /* !CONFIG_USER_ONLY */ |
916 | c6dc6f63 | Andre Przywara | |
917 | c6dc6f63 | Andre Przywara | /* register "cpudef" models defined in configuration file. Here we first
|
918 | c6dc6f63 | Andre Przywara | * preload any built-in definitions
|
919 | c6dc6f63 | Andre Przywara | */
|
920 | c6dc6f63 | Andre Przywara | void x86_cpudef_setup(void) |
921 | c6dc6f63 | Andre Przywara | { |
922 | c6dc6f63 | Andre Przywara | int i;
|
923 | c6dc6f63 | Andre Przywara | |
924 | c6dc6f63 | Andre Przywara | for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); ++i) { |
925 | c6dc6f63 | Andre Przywara | builtin_x86_defs[i].next = x86_defs; |
926 | c6dc6f63 | Andre Przywara | builtin_x86_defs[i].flags = 1;
|
927 | c6dc6f63 | Andre Przywara | x86_defs = &builtin_x86_defs[i]; |
928 | c6dc6f63 | Andre Przywara | } |
929 | c6dc6f63 | Andre Przywara | #if !defined(CONFIG_USER_ONLY)
|
930 | c6dc6f63 | Andre Przywara | qemu_opts_foreach(&qemu_cpudef_opts, cpudef_register, NULL, 0); |
931 | c6dc6f63 | Andre Przywara | #endif
|
932 | c6dc6f63 | Andre Przywara | } |
933 | c6dc6f63 | Andre Przywara | |
934 | c6dc6f63 | Andre Przywara | static void get_cpuid_vendor(CPUX86State *env, uint32_t *ebx, |
935 | c6dc6f63 | Andre Przywara | uint32_t *ecx, uint32_t *edx) |
936 | c6dc6f63 | Andre Przywara | { |
937 | c6dc6f63 | Andre Przywara | *ebx = env->cpuid_vendor1; |
938 | c6dc6f63 | Andre Przywara | *edx = env->cpuid_vendor2; |
939 | c6dc6f63 | Andre Przywara | *ecx = env->cpuid_vendor3; |
940 | c6dc6f63 | Andre Przywara | |
941 | c6dc6f63 | Andre Przywara | /* sysenter isn't supported on compatibility mode on AMD, syscall
|
942 | c6dc6f63 | Andre Przywara | * isn't supported in compatibility mode on Intel.
|
943 | c6dc6f63 | Andre Przywara | * Normally we advertise the actual cpu vendor, but you can override
|
944 | c6dc6f63 | Andre Przywara | * this if you want to use KVM's sysenter/syscall emulation
|
945 | c6dc6f63 | Andre Przywara | * in compatibility mode and when doing cross vendor migration
|
946 | c6dc6f63 | Andre Przywara | */
|
947 | c6dc6f63 | Andre Przywara | if (kvm_enabled() && env->cpuid_vendor_override) {
|
948 | c6dc6f63 | Andre Przywara | host_cpuid(0, 0, NULL, ebx, ecx, edx); |
949 | c6dc6f63 | Andre Przywara | } |
950 | c6dc6f63 | Andre Przywara | } |
951 | c6dc6f63 | Andre Przywara | |
952 | c6dc6f63 | Andre Przywara | void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
|
953 | c6dc6f63 | Andre Przywara | uint32_t *eax, uint32_t *ebx, |
954 | c6dc6f63 | Andre Przywara | uint32_t *ecx, uint32_t *edx) |
955 | c6dc6f63 | Andre Przywara | { |
956 | c6dc6f63 | Andre Przywara | /* test if maximum index reached */
|
957 | c6dc6f63 | Andre Przywara | if (index & 0x80000000) { |
958 | c6dc6f63 | Andre Przywara | if (index > env->cpuid_xlevel)
|
959 | c6dc6f63 | Andre Przywara | index = env->cpuid_level; |
960 | c6dc6f63 | Andre Przywara | } else {
|
961 | c6dc6f63 | Andre Przywara | if (index > env->cpuid_level)
|
962 | c6dc6f63 | Andre Przywara | index = env->cpuid_level; |
963 | c6dc6f63 | Andre Przywara | } |
964 | c6dc6f63 | Andre Przywara | |
965 | c6dc6f63 | Andre Przywara | switch(index) {
|
966 | c6dc6f63 | Andre Przywara | case 0: |
967 | c6dc6f63 | Andre Przywara | *eax = env->cpuid_level; |
968 | c6dc6f63 | Andre Przywara | get_cpuid_vendor(env, ebx, ecx, edx); |
969 | c6dc6f63 | Andre Przywara | break;
|
970 | c6dc6f63 | Andre Przywara | case 1: |
971 | c6dc6f63 | Andre Przywara | *eax = env->cpuid_version; |
972 | c6dc6f63 | Andre Przywara | *ebx = (env->cpuid_apic_id << 24) | 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */ |
973 | c6dc6f63 | Andre Przywara | *ecx = env->cpuid_ext_features; |
974 | c6dc6f63 | Andre Przywara | *edx = env->cpuid_features; |
975 | c6dc6f63 | Andre Przywara | if (env->nr_cores * env->nr_threads > 1) { |
976 | c6dc6f63 | Andre Przywara | *ebx |= (env->nr_cores * env->nr_threads) << 16;
|
977 | c6dc6f63 | Andre Przywara | *edx |= 1 << 28; /* HTT bit */ |
978 | c6dc6f63 | Andre Przywara | } |
979 | c6dc6f63 | Andre Przywara | break;
|
980 | c6dc6f63 | Andre Przywara | case 2: |
981 | c6dc6f63 | Andre Przywara | /* cache info: needed for Pentium Pro compatibility */
|
982 | c6dc6f63 | Andre Przywara | *eax = 1;
|
983 | c6dc6f63 | Andre Przywara | *ebx = 0;
|
984 | c6dc6f63 | Andre Przywara | *ecx = 0;
|
985 | c6dc6f63 | Andre Przywara | *edx = 0x2c307d;
|
986 | c6dc6f63 | Andre Przywara | break;
|
987 | c6dc6f63 | Andre Przywara | case 4: |
988 | c6dc6f63 | Andre Przywara | /* cache info: needed for Core compatibility */
|
989 | c6dc6f63 | Andre Przywara | if (env->nr_cores > 1) { |
990 | c6dc6f63 | Andre Przywara | *eax = (env->nr_cores - 1) << 26; |
991 | c6dc6f63 | Andre Przywara | } else {
|
992 | c6dc6f63 | Andre Przywara | *eax = 0;
|
993 | c6dc6f63 | Andre Przywara | } |
994 | c6dc6f63 | Andre Przywara | switch (count) {
|
995 | c6dc6f63 | Andre Przywara | case 0: /* L1 dcache info */ |
996 | c6dc6f63 | Andre Przywara | *eax |= 0x0000121;
|
997 | c6dc6f63 | Andre Przywara | *ebx = 0x1c0003f;
|
998 | c6dc6f63 | Andre Przywara | *ecx = 0x000003f;
|
999 | c6dc6f63 | Andre Przywara | *edx = 0x0000001;
|
1000 | c6dc6f63 | Andre Przywara | break;
|
1001 | c6dc6f63 | Andre Przywara | case 1: /* L1 icache info */ |
1002 | c6dc6f63 | Andre Przywara | *eax |= 0x0000122;
|
1003 | c6dc6f63 | Andre Przywara | *ebx = 0x1c0003f;
|
1004 | c6dc6f63 | Andre Przywara | *ecx = 0x000003f;
|
1005 | c6dc6f63 | Andre Przywara | *edx = 0x0000001;
|
1006 | c6dc6f63 | Andre Przywara | break;
|
1007 | c6dc6f63 | Andre Przywara | case 2: /* L2 cache info */ |
1008 | c6dc6f63 | Andre Przywara | *eax |= 0x0000143;
|
1009 | c6dc6f63 | Andre Przywara | if (env->nr_threads > 1) { |
1010 | c6dc6f63 | Andre Przywara | *eax |= (env->nr_threads - 1) << 14; |
1011 | c6dc6f63 | Andre Przywara | } |
1012 | c6dc6f63 | Andre Przywara | *ebx = 0x3c0003f;
|
1013 | c6dc6f63 | Andre Przywara | *ecx = 0x0000fff;
|
1014 | c6dc6f63 | Andre Przywara | *edx = 0x0000001;
|
1015 | c6dc6f63 | Andre Przywara | break;
|
1016 | c6dc6f63 | Andre Przywara | default: /* end of info */ |
1017 | c6dc6f63 | Andre Przywara | *eax = 0;
|
1018 | c6dc6f63 | Andre Przywara | *ebx = 0;
|
1019 | c6dc6f63 | Andre Przywara | *ecx = 0;
|
1020 | c6dc6f63 | Andre Przywara | *edx = 0;
|
1021 | c6dc6f63 | Andre Przywara | break;
|
1022 | c6dc6f63 | Andre Przywara | } |
1023 | c6dc6f63 | Andre Przywara | break;
|
1024 | c6dc6f63 | Andre Przywara | case 5: |
1025 | c6dc6f63 | Andre Przywara | /* mwait info: needed for Core compatibility */
|
1026 | c6dc6f63 | Andre Przywara | *eax = 0; /* Smallest monitor-line size in bytes */ |
1027 | c6dc6f63 | Andre Przywara | *ebx = 0; /* Largest monitor-line size in bytes */ |
1028 | c6dc6f63 | Andre Przywara | *ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE; |
1029 | c6dc6f63 | Andre Przywara | *edx = 0;
|
1030 | c6dc6f63 | Andre Przywara | break;
|
1031 | c6dc6f63 | Andre Przywara | case 6: |
1032 | c6dc6f63 | Andre Przywara | /* Thermal and Power Leaf */
|
1033 | c6dc6f63 | Andre Przywara | *eax = 0;
|
1034 | c6dc6f63 | Andre Przywara | *ebx = 0;
|
1035 | c6dc6f63 | Andre Przywara | *ecx = 0;
|
1036 | c6dc6f63 | Andre Przywara | *edx = 0;
|
1037 | c6dc6f63 | Andre Przywara | break;
|
1038 | c6dc6f63 | Andre Przywara | case 9: |
1039 | c6dc6f63 | Andre Przywara | /* Direct Cache Access Information Leaf */
|
1040 | c6dc6f63 | Andre Przywara | *eax = 0; /* Bits 0-31 in DCA_CAP MSR */ |
1041 | c6dc6f63 | Andre Przywara | *ebx = 0;
|
1042 | c6dc6f63 | Andre Przywara | *ecx = 0;
|
1043 | c6dc6f63 | Andre Przywara | *edx = 0;
|
1044 | c6dc6f63 | Andre Przywara | break;
|
1045 | c6dc6f63 | Andre Przywara | case 0xA: |
1046 | c6dc6f63 | Andre Przywara | /* Architectural Performance Monitoring Leaf */
|
1047 | c6dc6f63 | Andre Przywara | *eax = 0;
|
1048 | c6dc6f63 | Andre Przywara | *ebx = 0;
|
1049 | c6dc6f63 | Andre Przywara | *ecx = 0;
|
1050 | c6dc6f63 | Andre Przywara | *edx = 0;
|
1051 | c6dc6f63 | Andre Przywara | break;
|
1052 | c6dc6f63 | Andre Przywara | case 0x80000000: |
1053 | c6dc6f63 | Andre Przywara | *eax = env->cpuid_xlevel; |
1054 | c6dc6f63 | Andre Przywara | *ebx = env->cpuid_vendor1; |
1055 | c6dc6f63 | Andre Przywara | *edx = env->cpuid_vendor2; |
1056 | c6dc6f63 | Andre Przywara | *ecx = env->cpuid_vendor3; |
1057 | c6dc6f63 | Andre Przywara | break;
|
1058 | c6dc6f63 | Andre Przywara | case 0x80000001: |
1059 | c6dc6f63 | Andre Przywara | *eax = env->cpuid_version; |
1060 | c6dc6f63 | Andre Przywara | *ebx = 0;
|
1061 | c6dc6f63 | Andre Przywara | *ecx = env->cpuid_ext3_features; |
1062 | c6dc6f63 | Andre Przywara | *edx = env->cpuid_ext2_features; |
1063 | c6dc6f63 | Andre Przywara | |
1064 | c6dc6f63 | Andre Przywara | /* The Linux kernel checks for the CMPLegacy bit and
|
1065 | c6dc6f63 | Andre Przywara | * discards multiple thread information if it is set.
|
1066 | c6dc6f63 | Andre Przywara | * So dont set it here for Intel to make Linux guests happy.
|
1067 | c6dc6f63 | Andre Przywara | */
|
1068 | c6dc6f63 | Andre Przywara | if (env->nr_cores * env->nr_threads > 1) { |
1069 | c6dc6f63 | Andre Przywara | uint32_t tebx, tecx, tedx; |
1070 | c6dc6f63 | Andre Przywara | get_cpuid_vendor(env, &tebx, &tecx, &tedx); |
1071 | c6dc6f63 | Andre Przywara | if (tebx != CPUID_VENDOR_INTEL_1 ||
|
1072 | c6dc6f63 | Andre Przywara | tedx != CPUID_VENDOR_INTEL_2 || |
1073 | c6dc6f63 | Andre Przywara | tecx != CPUID_VENDOR_INTEL_3) { |
1074 | c6dc6f63 | Andre Przywara | *ecx |= 1 << 1; /* CmpLegacy bit */ |
1075 | c6dc6f63 | Andre Przywara | } |
1076 | c6dc6f63 | Andre Przywara | } |
1077 | c6dc6f63 | Andre Przywara | |
1078 | c6dc6f63 | Andre Przywara | if (kvm_enabled()) {
|
1079 | c6dc6f63 | Andre Przywara | /* Nested SVM not yet supported in upstream QEMU */
|
1080 | c6dc6f63 | Andre Przywara | *ecx &= ~CPUID_EXT3_SVM; |
1081 | c6dc6f63 | Andre Przywara | } |
1082 | c6dc6f63 | Andre Przywara | break;
|
1083 | c6dc6f63 | Andre Przywara | case 0x80000002: |
1084 | c6dc6f63 | Andre Przywara | case 0x80000003: |
1085 | c6dc6f63 | Andre Przywara | case 0x80000004: |
1086 | c6dc6f63 | Andre Przywara | *eax = env->cpuid_model[(index - 0x80000002) * 4 + 0]; |
1087 | c6dc6f63 | Andre Przywara | *ebx = env->cpuid_model[(index - 0x80000002) * 4 + 1]; |
1088 | c6dc6f63 | Andre Przywara | *ecx = env->cpuid_model[(index - 0x80000002) * 4 + 2]; |
1089 | c6dc6f63 | Andre Przywara | *edx = env->cpuid_model[(index - 0x80000002) * 4 + 3]; |
1090 | c6dc6f63 | Andre Przywara | break;
|
1091 | c6dc6f63 | Andre Przywara | case 0x80000005: |
1092 | c6dc6f63 | Andre Przywara | /* cache info (L1 cache) */
|
1093 | c6dc6f63 | Andre Przywara | *eax = 0x01ff01ff;
|
1094 | c6dc6f63 | Andre Przywara | *ebx = 0x01ff01ff;
|
1095 | c6dc6f63 | Andre Przywara | *ecx = 0x40020140;
|
1096 | c6dc6f63 | Andre Przywara | *edx = 0x40020140;
|
1097 | c6dc6f63 | Andre Przywara | break;
|
1098 | c6dc6f63 | Andre Przywara | case 0x80000006: |
1099 | c6dc6f63 | Andre Przywara | /* cache info (L2 cache) */
|
1100 | c6dc6f63 | Andre Przywara | *eax = 0;
|
1101 | c6dc6f63 | Andre Przywara | *ebx = 0x42004200;
|
1102 | c6dc6f63 | Andre Przywara | *ecx = 0x02008140;
|
1103 | c6dc6f63 | Andre Przywara | *edx = 0;
|
1104 | c6dc6f63 | Andre Przywara | break;
|
1105 | c6dc6f63 | Andre Przywara | case 0x80000008: |
1106 | c6dc6f63 | Andre Przywara | /* virtual & phys address size in low 2 bytes. */
|
1107 | c6dc6f63 | Andre Przywara | /* XXX: This value must match the one used in the MMU code. */
|
1108 | c6dc6f63 | Andre Przywara | if (env->cpuid_ext2_features & CPUID_EXT2_LM) {
|
1109 | c6dc6f63 | Andre Przywara | /* 64 bit processor */
|
1110 | c6dc6f63 | Andre Przywara | /* XXX: The physical address space is limited to 42 bits in exec.c. */
|
1111 | c6dc6f63 | Andre Przywara | *eax = 0x00003028; /* 48 bits virtual, 40 bits physical */ |
1112 | c6dc6f63 | Andre Przywara | } else {
|
1113 | c6dc6f63 | Andre Przywara | if (env->cpuid_features & CPUID_PSE36)
|
1114 | c6dc6f63 | Andre Przywara | *eax = 0x00000024; /* 36 bits physical */ |
1115 | c6dc6f63 | Andre Przywara | else
|
1116 | c6dc6f63 | Andre Przywara | *eax = 0x00000020; /* 32 bits physical */ |
1117 | c6dc6f63 | Andre Przywara | } |
1118 | c6dc6f63 | Andre Przywara | *ebx = 0;
|
1119 | c6dc6f63 | Andre Przywara | *ecx = 0;
|
1120 | c6dc6f63 | Andre Przywara | *edx = 0;
|
1121 | c6dc6f63 | Andre Przywara | if (env->nr_cores * env->nr_threads > 1) { |
1122 | c6dc6f63 | Andre Przywara | *ecx |= (env->nr_cores * env->nr_threads) - 1;
|
1123 | c6dc6f63 | Andre Przywara | } |
1124 | c6dc6f63 | Andre Przywara | break;
|
1125 | c6dc6f63 | Andre Przywara | case 0x8000000A: |
1126 | c6dc6f63 | Andre Przywara | *eax = 0x00000001; /* SVM Revision */ |
1127 | c6dc6f63 | Andre Przywara | *ebx = 0x00000010; /* nr of ASIDs */ |
1128 | c6dc6f63 | Andre Przywara | *ecx = 0;
|
1129 | c6dc6f63 | Andre Przywara | *edx = 0; /* optional features */ |
1130 | c6dc6f63 | Andre Przywara | break;
|
1131 | c6dc6f63 | Andre Przywara | default:
|
1132 | c6dc6f63 | Andre Przywara | /* reserved values: zero */
|
1133 | c6dc6f63 | Andre Przywara | *eax = 0;
|
1134 | c6dc6f63 | Andre Przywara | *ebx = 0;
|
1135 | c6dc6f63 | Andre Przywara | *ecx = 0;
|
1136 | c6dc6f63 | Andre Przywara | *edx = 0;
|
1137 | c6dc6f63 | Andre Przywara | break;
|
1138 | c6dc6f63 | Andre Przywara | } |
1139 | c6dc6f63 | Andre Przywara | } |