diff options
Diffstat (limited to 'target-i386/helper.c')
| -rw-r--r-- | target-i386/helper.c | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/target-i386/helper.c b/target-i386/helper.c index ff999bc12..3c710bfba 100644 --- a/target-i386/helper.c +++ b/target-i386/helper.c @@ -45,25 +45,25 @@ static void add_flagname_to_bitmaps(char *flagname, uint32_t *features, /* feature flags taken from "Intel Processor Identification and the CPUID * Instruction" and AMD's "CPUID Specification". In cases of disagreement * about feature names, the Linux name is used. */ - const char *feature_name[] = { + static const char *feature_name[] = { "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov", "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */, NULL, "ds" /* Intel dts */, "acpi", "mmx", "fxsr", "sse", "sse2", "ss", "ht" /* Intel htt */, "tm", "ia64", "pbe", }; - const char *ext_feature_name[] = { + static const char *ext_feature_name[] = { "pni" /* Intel,AMD sse3 */, NULL, NULL, "monitor", "ds_cpl", "vmx", NULL /* Linux smx */, "est", "tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL, NULL, NULL, "dca", NULL, NULL, NULL, NULL, "popcnt", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, }; - const char *ext2_feature_name[] = { + static const char *ext2_feature_name[] = { "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", "cx8" /* AMD CMPXCHG8B */, "apic", NULL, "syscall", "mttr", "pge", "mca", "cmov", "pat", "pse36", NULL, NULL /* Linux mp */, "nx" /* Intel xd */, NULL, "mmxext", "mmx", "fxsr", "fxsr_opt" /* AMD ffxsr */, "pdpe1gb" /* AMD Page1GB */, "rdtscp", NULL, "lm" /* Intel 64 */, "3dnowext", "3dnow", }; - const char *ext3_feature_name[] = { + static const char *ext3_feature_name[] = { "lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */, "cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse", "3dnowprefetch", "osvw", NULL /* Linux ibs */, NULL, "skinit", "wdt", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -135,6 +135,7 @@ typedef struct x86_def_t { int stepping; uint32_t features, ext_features, ext2_features, ext3_features; uint32_t xlevel; + char model_id[48]; } x86_def_t; #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE) @@ -170,6 +171,7 @@ static x86_def_t x86_defs[] = { CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT, .ext3_features = CPUID_EXT3_SVM, .xlevel = 0x8000000A, + .model_id = "QEMU Virtual CPU version " QEMU_VERSION, }, #endif { @@ -181,6 +183,7 @@ static x86_def_t x86_defs[] = { .features = PPRO_FEATURES, .ext_features = CPUID_EXT_SSE3, .xlevel = 0, + .model_id = "QEMU Virtual CPU version " QEMU_VERSION, }, { .name = "486", @@ -230,6 +233,8 @@ static x86_def_t x86_defs[] = { .features = PPRO_FEATURES | PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR | CPUID_MCA, .ext2_features = (PPRO_FEATURES & 0x0183F3FF) | CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT, .xlevel = 0x80000008, + /* XXX: put another string ? */ + .model_id = "QEMU Virtual CPU version " QEMU_VERSION, }, }; @@ -270,7 +275,6 @@ static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *cpu_model) family = strtol(val, &err, 10); if (!*val || *err || family < 0) { fprintf(stderr, "bad numerical value %s\n", val); - x86_cpu_def = 0; goto error; } x86_cpu_def->family = family; @@ -279,7 +283,6 @@ static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *cpu_model) model = strtol(val, &err, 10); if (!*val || *err || model < 0 || model > 0xf) { fprintf(stderr, "bad numerical value %s\n", val); - x86_cpu_def = 0; goto error; } x86_cpu_def->model = model; @@ -288,18 +291,31 @@ static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *cpu_model) stepping = strtol(val, &err, 10); if (!*val || *err || stepping < 0 || stepping > 0xf) { fprintf(stderr, "bad numerical value %s\n", val); - x86_cpu_def = 0; goto error; } x86_cpu_def->stepping = stepping; + } else if (!strcmp(featurestr, "vendor")) { + if (strlen(val) != 12) { + fprintf(stderr, "vendor string must be 12 chars long\n"); + goto error; + } + x86_cpu_def->vendor1 = 0; + x86_cpu_def->vendor2 = 0; + x86_cpu_def->vendor3 = 0; + for(i = 0; i < 4; i++) { + x86_cpu_def->vendor1 |= ((uint8_t)val[i ]) << (8 * i); + x86_cpu_def->vendor2 |= ((uint8_t)val[i + 4]) << (8 * i); + x86_cpu_def->vendor3 |= ((uint8_t)val[i + 8]) << (8 * i); + } + } else if (!strcmp(featurestr, "model_id")) { + pstrcpy(x86_cpu_def->model_id, sizeof(x86_cpu_def->model_id), + val); } else { fprintf(stderr, "unrecognized feature %s\n", featurestr); - x86_cpu_def = 0; goto error; } } else { fprintf(stderr, "feature string `%s' not in format (+feature|-feature|feature=xyz)\n", featurestr); - x86_cpu_def = 0; goto error; } featurestr = strtok(NULL, ","); @@ -352,16 +368,19 @@ static int cpu_x86_register (CPUX86State *env, const char *cpu_model) env->cpuid_xlevel = def->xlevel; env->cpuid_ext3_features = def->ext3_features; { - const char *model_id = "QEMU Virtual CPU version " QEMU_VERSION; + const char *model_id = def->model_id; int c, len, i; + if (cpu_vendor_string != NULL) model_id = cpu_vendor_string; + if (!model_id) + model_id = ""; len = strlen(model_id); for(i = 0; i < 48; i++) { if (i >= len) c = '\0'; else - c = model_id[i]; + c = (uint8_t)model_id[i]; env->cpuid_model[i >> 2] |= c << (8 * (i & 3)); } } |