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-rw-r--r--cpuinfo.c514
1 files changed, 257 insertions, 257 deletions
diff --git a/cpuinfo.c b/cpuinfo.c
index 2010efd8be..5a39ddb869 100644
--- a/cpuinfo.c
+++ b/cpuinfo.c
@@ -44,319 +44,319 @@ typedef long long int64_t;
#endif
#define CPUID_FEATURE_DEF(bit, desc, description) \
- { bit, desc }
+ { bit, desc }
typedef struct cpuid_regs {
- unsigned int eax;
- unsigned int ebx;
- unsigned int ecx;
- unsigned int edx;
+ unsigned int eax;
+ unsigned int ebx;
+ unsigned int ecx;
+ unsigned int edx;
} cpuid_regs_t;
static cpuid_regs_t
cpuid(int func) {
- cpuid_regs_t regs;
+ cpuid_regs_t regs;
#define CPUID ".byte 0x0f, 0xa2; "
#ifdef __x86_64__
- __asm__("mov %%rbx, %%rsi\n\t"
+ __asm__("mov %%rbx, %%rsi\n\t"
#else
- __asm__("mov %%ebx, %%esi\n\t"
+ __asm__("mov %%ebx, %%esi\n\t"
#endif
- CPUID"\n\t"
+ CPUID"\n\t"
#ifdef __x86_64__
- "xchg %%rsi, %%rbx\n\t"
+ "xchg %%rsi, %%rbx\n\t"
#else
- "xchg %%esi, %%ebx\n\t"
+ "xchg %%esi, %%ebx\n\t"
#endif
- : "=a" (regs.eax), "=S" (regs.ebx), "=c" (regs.ecx), "=d" (regs.edx)
- : "0" (func));
- return regs;
+ : "=a" (regs.eax), "=S" (regs.ebx), "=c" (regs.ecx), "=d" (regs.edx)
+ : "0" (func));
+ return regs;
}
static int64_t
rdtsc(void)
{
- uint32_t hi, lo;
+ uint32_t hi, lo;
#define RDTSC ".byte 0x0f, 0x31; "
- __asm__ volatile (RDTSC : "=a"(lo), "=d"(hi) : );
- return (uint64_t) hi << 32 | lo;
+ __asm__ volatile (RDTSC : "=a"(lo), "=d"(hi) : );
+ return (uint64_t) hi << 32 | lo;
}
static const char*
brandname(int i)
{
- static const char* brandmap[] = {
- NULL,
- "Intel(R) Celeron(R) processor",
- "Intel(R) Pentium(R) III processor",
- "Intel(R) Pentium(R) III Xeon(tm) processor",
- "Intel(R) Pentium(R) III processor",
- NULL,
- "Mobile Intel(R) Pentium(R) III processor-M",
- "Mobile Intel(R) Celeron(R) processor"
- };
+ static const char* brandmap[] = {
+ NULL,
+ "Intel(R) Celeron(R) processor",
+ "Intel(R) Pentium(R) III processor",
+ "Intel(R) Pentium(R) III Xeon(tm) processor",
+ "Intel(R) Pentium(R) III processor",
+ NULL,
+ "Mobile Intel(R) Pentium(R) III processor-M",
+ "Mobile Intel(R) Celeron(R) processor"
+ };
- if (i >= sizeof(brandmap))
- return NULL;
- else
- return brandmap[i];
+ if (i >= sizeof(brandmap))
+ return NULL;
+ else
+ return brandmap[i];
}
static void
store32(char *d, unsigned int v)
{
- d[0] = v & 0xff;
- d[1] = (v >> 8) & 0xff;
- d[2] = (v >> 16) & 0xff;
- d[3] = (v >> 24) & 0xff;
+ d[0] = v & 0xff;
+ d[1] = (v >> 8) & 0xff;
+ d[2] = (v >> 16) & 0xff;
+ d[3] = (v >> 24) & 0xff;
}
int
main(void)
{
- cpuid_regs_t regs, regs_ext;
- char idstr[13];
- unsigned max_cpuid;
- unsigned max_ext_cpuid;
- unsigned int amd_flags;
- unsigned int amd_flags2;
- const char *model_name = NULL;
- int i;
- char processor_name[49];
+ cpuid_regs_t regs, regs_ext;
+ char idstr[13];
+ unsigned max_cpuid;
+ unsigned max_ext_cpuid;
+ unsigned int amd_flags;
+ unsigned int amd_flags2;
+ const char *model_name = NULL;
+ int i;
+ char processor_name[49];
- regs = cpuid(0);
- max_cpuid = regs.eax;
- /* printf("%d CPUID function codes\n", max_cpuid+1); */
+ regs = cpuid(0);
+ max_cpuid = regs.eax;
+ /* printf("%d CPUID function codes\n", max_cpuid+1); */
- store32(idstr+0, regs.ebx);
- store32(idstr+4, regs.edx);
- store32(idstr+8, regs.ecx);
- idstr[12] = 0;
- printf("vendor_id\t: %s\n", idstr);
+ store32(idstr+0, regs.ebx);
+ store32(idstr+4, regs.edx);
+ store32(idstr+8, regs.ecx);
+ idstr[12] = 0;
+ printf("vendor_id\t: %s\n", idstr);
- regs_ext = cpuid((1<<31) + 0);
- max_ext_cpuid = regs_ext.eax;
- if (max_ext_cpuid >= (1<<31) + 1) {
- regs_ext = cpuid((1<<31) + 1);
- amd_flags = regs_ext.edx;
- amd_flags2 = regs_ext.ecx;
+ regs_ext = cpuid((1<<31) + 0);
+ max_ext_cpuid = regs_ext.eax;
+ if (max_ext_cpuid >= (1<<31) + 1) {
+ regs_ext = cpuid((1<<31) + 1);
+ amd_flags = regs_ext.edx;
+ amd_flags2 = regs_ext.ecx;
- if (max_ext_cpuid >= (1<<31) + 4) {
- for (i = 2; i <= 4; i++) {
- regs_ext = cpuid((1<<31) + i);
- store32(processor_name + (i-2)*16, regs_ext.eax);
- store32(processor_name + (i-2)*16 + 4, regs_ext.ebx);
- store32(processor_name + (i-2)*16 + 8, regs_ext.ecx);
- store32(processor_name + (i-2)*16 + 12, regs_ext.edx);
- }
- processor_name[48] = 0;
- model_name = processor_name;
- while (*model_name == ' ') {
- model_name++;
- }
+ if (max_ext_cpuid >= (1<<31) + 4) {
+ for (i = 2; i <= 4; i++) {
+ regs_ext = cpuid((1<<31) + i);
+ store32(processor_name + (i-2)*16, regs_ext.eax);
+ store32(processor_name + (i-2)*16 + 4, regs_ext.ebx);
+ store32(processor_name + (i-2)*16 + 8, regs_ext.ecx);
+ store32(processor_name + (i-2)*16 + 12, regs_ext.edx);
+ }
+ processor_name[48] = 0;
+ model_name = processor_name;
+ while (*model_name == ' ') {
+ model_name++;
+ }
+ }
+ } else {
+ amd_flags = 0;
+ amd_flags2 = 0;
}
- } else {
- amd_flags = 0;
- amd_flags2 = 0;
- }
- if (max_cpuid >= 1) {
- static struct {
- int bit;
- char *desc;
- } cap[] = {
- CPUID_FEATURE_DEF(0, "fpu", "Floating-point unit on-chip"),
- CPUID_FEATURE_DEF(1, "vme", "Virtual Mode Enhancements"),
- CPUID_FEATURE_DEF(2, "de", "Debugging Extension"),
- CPUID_FEATURE_DEF(3, "pse", "Page Size Extension"),
- CPUID_FEATURE_DEF(4, "tsc", "Time Stamp Counter"),
- CPUID_FEATURE_DEF(5, "msr", "Pentium Processor MSR"),
- CPUID_FEATURE_DEF(6, "pae", "Physical Address Extension"),
- CPUID_FEATURE_DEF(7, "mce", "Machine Check Exception"),
- CPUID_FEATURE_DEF(8, "cx8", "CMPXCHG8B Instruction Supported"),
- CPUID_FEATURE_DEF(9, "apic", "On-chip APIC Hardware Enabled"),
- CPUID_FEATURE_DEF(11, "sep", "SYSENTER and SYSEXIT"),
- CPUID_FEATURE_DEF(12, "mtrr", "Memory Type Range Registers"),
- CPUID_FEATURE_DEF(13, "pge", "PTE Global Bit"),
- CPUID_FEATURE_DEF(14, "mca", "Machine Check Architecture"),
- CPUID_FEATURE_DEF(15, "cmov", "Conditional Move/Compare Instruction"),
- CPUID_FEATURE_DEF(16, "pat", "Page Attribute Table"),
- CPUID_FEATURE_DEF(17, "pse36", "Page Size Extension 36-bit"),
- CPUID_FEATURE_DEF(18, "pn", "Processor Serial Number"),
- CPUID_FEATURE_DEF(19, "clflush", "CFLUSH instruction"),
- CPUID_FEATURE_DEF(21, "dts", "Debug Store"),
- CPUID_FEATURE_DEF(22, "acpi", "Thermal Monitor and Clock Ctrl"),
- CPUID_FEATURE_DEF(23, "mmx", "MMX Technology"),
- CPUID_FEATURE_DEF(24, "fxsr", "FXSAVE/FXRSTOR"),
- CPUID_FEATURE_DEF(25, "sse", "SSE Extensions"),
- CPUID_FEATURE_DEF(26, "sse2", "SSE2 Extensions"),
- CPUID_FEATURE_DEF(27, "ss", "Self Snoop"),
- CPUID_FEATURE_DEF(28, "ht", "Multi-threading"),
- CPUID_FEATURE_DEF(29, "tm", "Therm. Monitor"),
- CPUID_FEATURE_DEF(30, "ia64", "IA-64 Processor"),
- CPUID_FEATURE_DEF(31, "pbe", "Pend. Brk. EN."),
- { -1 }
- };
- static struct {
- int bit;
- char *desc;
- } cap2[] = {
- CPUID_FEATURE_DEF(0, "pni", "SSE3 Extensions"),
- CPUID_FEATURE_DEF(1, "pclmulqdq", "Carryless Multiplication"),
- CPUID_FEATURE_DEF(2, "dtes64", "64-bit Debug Store"),
- CPUID_FEATURE_DEF(3, "monitor", "MONITOR/MWAIT"),
- CPUID_FEATURE_DEF(4, "ds_cpl", "CPL Qualified Debug Store"),
- CPUID_FEATURE_DEF(5, "vmx", "Virtual Machine Extensions"),
- CPUID_FEATURE_DEF(6, "smx", "Safer Mode Extensions"),
- CPUID_FEATURE_DEF(7, "est", "Enhanced Intel SpeedStep Technology"),
- CPUID_FEATURE_DEF(8, "tm2", "Thermal Monitor 2"),
- CPUID_FEATURE_DEF(9, "ssse3", "Supplemental SSE3"),
- CPUID_FEATURE_DEF(10, "cid", "L1 Context ID"),
- CPUID_FEATURE_DEF(12, "fma", "Fused Multiply Add"),
- CPUID_FEATURE_DEF(13, "cx16", "CMPXCHG16B Available"),
- CPUID_FEATURE_DEF(14, "xtpr", "xTPR Disable"),
- CPUID_FEATURE_DEF(15, "pdcm", "Perf/Debug Capability MSR"),
- CPUID_FEATURE_DEF(18, "dca", "Direct Cache Access"),
- CPUID_FEATURE_DEF(19, "sse4_1", "SSE4.1 Extensions"),
- CPUID_FEATURE_DEF(20, "sse4_2", "SSE4.2 Extensions"),
- CPUID_FEATURE_DEF(21, "x2apic", "x2APIC Feature"),
- CPUID_FEATURE_DEF(22, "movbe", "MOVBE Instruction"),
- CPUID_FEATURE_DEF(23, "popcnt", "Pop Count Instruction"),
- CPUID_FEATURE_DEF(25, "aes", "AES Instruction"),
- CPUID_FEATURE_DEF(26, "xsave", "XSAVE/XRSTOR Extensions"),
- CPUID_FEATURE_DEF(27, "osxsave", "XSAVE/XRSTOR Enabled in the OS"),
- CPUID_FEATURE_DEF(28, "avx", "Advanced Vector Extension"),
- { -1 }
- };
- static struct {
- int bit;
- char *desc;
- } cap_amd[] = {
- CPUID_FEATURE_DEF(11, "syscall", "SYSCALL and SYSRET"),
- CPUID_FEATURE_DEF(19, "mp", "MP Capable"),
- CPUID_FEATURE_DEF(20, "nx", "No-Execute Page Protection"),
- CPUID_FEATURE_DEF(22, "mmxext", "MMX Technology (AMD Extensions)"),
- CPUID_FEATURE_DEF(25, "fxsr_opt", "Fast FXSAVE/FXRSTOR"),
- CPUID_FEATURE_DEF(26, "pdpe1gb", "PDP Entry for 1GiB Page"),
- CPUID_FEATURE_DEF(27, "rdtscp", "RDTSCP Instruction"),
- CPUID_FEATURE_DEF(29, "lm", "Long Mode Capable"),
- CPUID_FEATURE_DEF(30, "3dnowext", "3DNow! Extensions"),
- CPUID_FEATURE_DEF(31, "3dnow", "3DNow!"),
- { -1 }
- };
- static struct {
- int bit;
- char *desc;
- } cap_amd2[] = {
- CPUID_FEATURE_DEF(0, "lahf_lm", "LAHF/SAHF Supported in 64-bit Mode"),
- CPUID_FEATURE_DEF(1, "cmp_legacy", "Chip Multi-Core"),
- CPUID_FEATURE_DEF(2, "svm", "Secure Virtual Machine"),
- CPUID_FEATURE_DEF(3, "extapic", "Extended APIC Space"),
- CPUID_FEATURE_DEF(4, "cr8_legacy", "CR8 Available in Legacy Mode"),
- CPUID_FEATURE_DEF(5, "abm", "Advanced Bit Manipulation"),
- CPUID_FEATURE_DEF(6, "sse4a", "SSE4A Extensions"),
- CPUID_FEATURE_DEF(7, "misalignsse", "Misaligned SSE Mode"),
- CPUID_FEATURE_DEF(8, "3dnowprefetch", "3DNow! Prefetch/PrefetchW"),
- CPUID_FEATURE_DEF(9, "osvw", "OS Visible Workaround"),
- CPUID_FEATURE_DEF(10, "ibs", "Instruction Based Sampling"),
- CPUID_FEATURE_DEF(11, "sse5", "SSE5 Extensions"),
- CPUID_FEATURE_DEF(12, "skinit", "SKINIT, STGI, and DEV Support"),
- CPUID_FEATURE_DEF(13, "wdt", "Watchdog Timer Support"),
- { -1 }
- };
- unsigned int family, model, stepping;
+ if (max_cpuid >= 1) {
+ static struct {
+ int bit;
+ char *desc;
+ } cap[] = {
+ CPUID_FEATURE_DEF(0, "fpu", "Floating-point unit on-chip"),
+ CPUID_FEATURE_DEF(1, "vme", "Virtual Mode Enhancements"),
+ CPUID_FEATURE_DEF(2, "de", "Debugging Extension"),
+ CPUID_FEATURE_DEF(3, "pse", "Page Size Extension"),
+ CPUID_FEATURE_DEF(4, "tsc", "Time Stamp Counter"),
+ CPUID_FEATURE_DEF(5, "msr", "Pentium Processor MSR"),
+ CPUID_FEATURE_DEF(6, "pae", "Physical Address Extension"),
+ CPUID_FEATURE_DEF(7, "mce", "Machine Check Exception"),
+ CPUID_FEATURE_DEF(8, "cx8", "CMPXCHG8B Instruction Supported"),
+ CPUID_FEATURE_DEF(9, "apic", "On-chip APIC Hardware Enabled"),
+ CPUID_FEATURE_DEF(11, "sep", "SYSENTER and SYSEXIT"),
+ CPUID_FEATURE_DEF(12, "mtrr", "Memory Type Range Registers"),
+ CPUID_FEATURE_DEF(13, "pge", "PTE Global Bit"),
+ CPUID_FEATURE_DEF(14, "mca", "Machine Check Architecture"),
+ CPUID_FEATURE_DEF(15, "cmov", "Conditional Move/Compare Instruction"),
+ CPUID_FEATURE_DEF(16, "pat", "Page Attribute Table"),
+ CPUID_FEATURE_DEF(17, "pse36", "Page Size Extension 36-bit"),
+ CPUID_FEATURE_DEF(18, "pn", "Processor Serial Number"),
+ CPUID_FEATURE_DEF(19, "clflush", "CFLUSH instruction"),
+ CPUID_FEATURE_DEF(21, "dts", "Debug Store"),
+ CPUID_FEATURE_DEF(22, "acpi", "Thermal Monitor and Clock Ctrl"),
+ CPUID_FEATURE_DEF(23, "mmx", "MMX Technology"),
+ CPUID_FEATURE_DEF(24, "fxsr", "FXSAVE/FXRSTOR"),
+ CPUID_FEATURE_DEF(25, "sse", "SSE Extensions"),
+ CPUID_FEATURE_DEF(26, "sse2", "SSE2 Extensions"),
+ CPUID_FEATURE_DEF(27, "ss", "Self Snoop"),
+ CPUID_FEATURE_DEF(28, "ht", "Multi-threading"),
+ CPUID_FEATURE_DEF(29, "tm", "Therm. Monitor"),
+ CPUID_FEATURE_DEF(30, "ia64", "IA-64 Processor"),
+ CPUID_FEATURE_DEF(31, "pbe", "Pend. Brk. EN."),
+ { -1 }
+ };
+ static struct {
+ int bit;
+ char *desc;
+ } cap2[] = {
+ CPUID_FEATURE_DEF(0, "pni", "SSE3 Extensions"),
+ CPUID_FEATURE_DEF(1, "pclmulqdq", "Carryless Multiplication"),
+ CPUID_FEATURE_DEF(2, "dtes64", "64-bit Debug Store"),
+ CPUID_FEATURE_DEF(3, "monitor", "MONITOR/MWAIT"),
+ CPUID_FEATURE_DEF(4, "ds_cpl", "CPL Qualified Debug Store"),
+ CPUID_FEATURE_DEF(5, "vmx", "Virtual Machine Extensions"),
+ CPUID_FEATURE_DEF(6, "smx", "Safer Mode Extensions"),
+ CPUID_FEATURE_DEF(7, "est", "Enhanced Intel SpeedStep Technology"),
+ CPUID_FEATURE_DEF(8, "tm2", "Thermal Monitor 2"),
+ CPUID_FEATURE_DEF(9, "ssse3", "Supplemental SSE3"),
+ CPUID_FEATURE_DEF(10, "cid", "L1 Context ID"),
+ CPUID_FEATURE_DEF(12, "fma", "Fused Multiply Add"),
+ CPUID_FEATURE_DEF(13, "cx16", "CMPXCHG16B Available"),
+ CPUID_FEATURE_DEF(14, "xtpr", "xTPR Disable"),
+ CPUID_FEATURE_DEF(15, "pdcm", "Perf/Debug Capability MSR"),
+ CPUID_FEATURE_DEF(18, "dca", "Direct Cache Access"),
+ CPUID_FEATURE_DEF(19, "sse4_1", "SSE4.1 Extensions"),
+ CPUID_FEATURE_DEF(20, "sse4_2", "SSE4.2 Extensions"),
+ CPUID_FEATURE_DEF(21, "x2apic", "x2APIC Feature"),
+ CPUID_FEATURE_DEF(22, "movbe", "MOVBE Instruction"),
+ CPUID_FEATURE_DEF(23, "popcnt", "Pop Count Instruction"),
+ CPUID_FEATURE_DEF(25, "aes", "AES Instruction"),
+ CPUID_FEATURE_DEF(26, "xsave", "XSAVE/XRSTOR Extensions"),
+ CPUID_FEATURE_DEF(27, "osxsave", "XSAVE/XRSTOR Enabled in the OS"),
+ CPUID_FEATURE_DEF(28, "avx", "Advanced Vector Extension"),
+ { -1 }
+ };
+ static struct {
+ int bit;
+ char *desc;
+ } cap_amd[] = {
+ CPUID_FEATURE_DEF(11, "syscall", "SYSCALL and SYSRET"),
+ CPUID_FEATURE_DEF(19, "mp", "MP Capable"),
+ CPUID_FEATURE_DEF(20, "nx", "No-Execute Page Protection"),
+ CPUID_FEATURE_DEF(22, "mmxext", "MMX Technology (AMD Extensions)"),
+ CPUID_FEATURE_DEF(25, "fxsr_opt", "Fast FXSAVE/FXRSTOR"),
+ CPUID_FEATURE_DEF(26, "pdpe1gb", "PDP Entry for 1GiB Page"),
+ CPUID_FEATURE_DEF(27, "rdtscp", "RDTSCP Instruction"),
+ CPUID_FEATURE_DEF(29, "lm", "Long Mode Capable"),
+ CPUID_FEATURE_DEF(30, "3dnowext", "3DNow! Extensions"),
+ CPUID_FEATURE_DEF(31, "3dnow", "3DNow!"),
+ { -1 }
+ };
+ static struct {
+ int bit;
+ char *desc;
+ } cap_amd2[] = {
+ CPUID_FEATURE_DEF(0, "lahf_lm", "LAHF/SAHF Supported in 64-bit Mode"),
+ CPUID_FEATURE_DEF(1, "cmp_legacy", "Chip Multi-Core"),
+ CPUID_FEATURE_DEF(2, "svm", "Secure Virtual Machine"),
+ CPUID_FEATURE_DEF(3, "extapic", "Extended APIC Space"),
+ CPUID_FEATURE_DEF(4, "cr8_legacy", "CR8 Available in Legacy Mode"),
+ CPUID_FEATURE_DEF(5, "abm", "Advanced Bit Manipulation"),
+ CPUID_FEATURE_DEF(6, "sse4a", "SSE4A Extensions"),
+ CPUID_FEATURE_DEF(7, "misalignsse", "Misaligned SSE Mode"),
+ CPUID_FEATURE_DEF(8, "3dnowprefetch", "3DNow! Prefetch/PrefetchW"),
+ CPUID_FEATURE_DEF(9, "osvw", "OS Visible Workaround"),
+ CPUID_FEATURE_DEF(10, "ibs", "Instruction Based Sampling"),
+ CPUID_FEATURE_DEF(11, "sse5", "SSE5 Extensions"),
+ CPUID_FEATURE_DEF(12, "skinit", "SKINIT, STGI, and DEV Support"),
+ CPUID_FEATURE_DEF(13, "wdt", "Watchdog Timer Support"),
+ { -1 }
+ };
+ unsigned int family, model, stepping;
- regs = cpuid(1);
- family = (regs.eax >> 8) & 0xf;
- model = (regs.eax >> 4) & 0xf;
- stepping = regs.eax & 0xf;
+ regs = cpuid(1);
+ family = (regs.eax >> 8) & 0xf;
+ model = (regs.eax >> 4) & 0xf;
+ stepping = regs.eax & 0xf;
- if (family == 0xf)
- family += (regs.eax >> 20) & 0xff;
- if (family == 0xf || family == 6)
- model += ((regs.eax >> 16) & 0xf) << 4;
+ if (family == 0xf)
+ family += (regs.eax >> 20) & 0xff;
+ if (family == 0xf || family == 6)
+ model += ((regs.eax >> 16) & 0xf) << 4;
- printf("cpu family\t: %d\n"
- "model\t\t: %d\n"
- "stepping\t: %d\n" ,
- family,
- model,
- stepping);
+ printf("cpu family\t: %d\n"
+ "model\t\t: %d\n"
+ "stepping\t: %d\n" ,
+ family,
+ model,
+ stepping);
- if (strstr(idstr, "Intel") && !model_name) {
- if (family == 6 && model == 0xb && stepping == 1)
- model_name = "Intel (R) Celeron (R) processor";
- else
- model_name = brandname(regs.ebx & 0xf);
- }
+ if (strstr(idstr, "Intel") && !model_name) {
+ if (family == 6 && model == 0xb && stepping == 1)
+ model_name = "Intel (R) Celeron (R) processor";
+ else
+ model_name = brandname(regs.ebx & 0xf);
+ }
- printf("flags\t\t:");
- for (i = 0; cap[i].bit >= 0; i++) {
- if (regs.edx & (1 << cap[i].bit)) {
- printf(" %s", cap[i].desc);
- }
- }
- for (i = 0; cap2[i].bit >= 0; i++) {
- if (regs.ecx & (1 << cap2[i].bit)) {
- printf(" %s", cap2[i].desc);
- }
- }
- /* k6_mtrr is supported by some AMD K6-2/K6-III CPUs but
- it is not indicated by a CPUID feature bit, so we
- have to check the family, model and stepping instead. */
- if (strstr(idstr, "AMD") &&
- family == 5 &&
- (model >= 9 || (model == 8 && stepping >= 8)))
- printf(" %s", "k6_mtrr");
- /* similar for cyrix_arr. */
- if (strstr(idstr, "Cyrix") &&
- (family == 5 && (model < 4 || family == 6)))
- printf(" %s", "cyrix_arr");
- /* as well as centaur_mcr. */
- if (strstr(idstr, "Centaur") &&
- family == 5)
- printf(" %s", "centaur_mcr");
+ printf("flags\t\t:");
+ for (i = 0; cap[i].bit >= 0; i++) {
+ if (regs.edx & (1 << cap[i].bit)) {
+ printf(" %s", cap[i].desc);
+ }
+ }
+ for (i = 0; cap2[i].bit >= 0; i++) {
+ if (regs.ecx & (1 << cap2[i].bit)) {
+ printf(" %s", cap2[i].desc);
+ }
+ }
+ /* k6_mtrr is supported by some AMD K6-2/K6-III CPUs but
+ it is not indicated by a CPUID feature bit, so we
+ have to check the family, model and stepping instead. */
+ if (strstr(idstr, "AMD") &&
+ family == 5 &&
+ (model >= 9 || (model == 8 && stepping >= 8)))
+ printf(" %s", "k6_mtrr");
+ /* similar for cyrix_arr. */
+ if (strstr(idstr, "Cyrix") &&
+ (family == 5 && (model < 4 || family == 6)))
+ printf(" %s", "cyrix_arr");
+ /* as well as centaur_mcr. */
+ if (strstr(idstr, "Centaur") &&
+ family == 5)
+ printf(" %s", "centaur_mcr");
- for (i = 0; cap_amd[i].bit >= 0; i++) {
- if (amd_flags & (1 << cap_amd[i].bit)) {
- printf(" %s", cap_amd[i].desc);
- }
- }
- for (i = 0; cap_amd2[i].bit >= 0; i++) {
- if (amd_flags2 & (1 << cap_amd2[i].bit)) {
- printf(" %s", cap_amd2[i].desc);
- }
- }
- printf("\n");
+ for (i = 0; cap_amd[i].bit >= 0; i++) {
+ if (amd_flags & (1 << cap_amd[i].bit)) {
+ printf(" %s", cap_amd[i].desc);
+ }
+ }
+ for (i = 0; cap_amd2[i].bit >= 0; i++) {
+ if (amd_flags2 & (1 << cap_amd2[i].bit)) {
+ printf(" %s", cap_amd2[i].desc);
+ }
+ }
+ printf("\n");
- if (regs.edx & (1 << 4)) {
- int64_t tsc_start, tsc_end;
- struct timeval tv_start, tv_end;
- int usec_delay;
+ if (regs.edx & (1 << 4)) {
+ int64_t tsc_start, tsc_end;
+ struct timeval tv_start, tv_end;
+ int usec_delay;
- tsc_start = rdtsc();
- gettimeofday(&tv_start, NULL);
+ tsc_start = rdtsc();
+ gettimeofday(&tv_start, NULL);
#ifdef MISSING_USLEEP
- sleep(1);
+ sleep(1);
#else
- usleep(100000);
+ usleep(100000);
#endif
- tsc_end = rdtsc();
- gettimeofday(&tv_end, NULL);
+ tsc_end = rdtsc();
+ gettimeofday(&tv_end, NULL);
- usec_delay = 1000000 * (tv_end.tv_sec - tv_start.tv_sec)
- + (tv_end.tv_usec - tv_start.tv_usec);
+ usec_delay = 1000000 * (tv_end.tv_sec - tv_start.tv_sec)
+ + (tv_end.tv_usec - tv_start.tv_usec);
- printf("cpu MHz\t\t: %.3f\n",
- (double)(tsc_end-tsc_start) / usec_delay);
+ printf("cpu MHz\t\t: %.3f\n",
+ (double)(tsc_end-tsc_start) / usec_delay);
+ }
}
- }
- printf("model name\t: ");
- if (model_name)
- printf("%s\n", model_name);
- else
- printf("Unknown %s CPU\n", idstr);
+ printf("model name\t: ");
+ if (model_name)
+ printf("%s\n", model_name);
+ else
+ printf("Unknown %s CPU\n", idstr);
}