diff options
Diffstat (limited to 'TOOLS')
-rw-r--r-- | TOOLS/Makefile | 2 | ||||
-rw-r--r-- | TOOLS/cpuinfo.c | 330 |
2 files changed, 1 insertions, 331 deletions
diff --git a/TOOLS/Makefile b/TOOLS/Makefile index c7c61fb104..dc5070ba2e 100644 --- a/TOOLS/Makefile +++ b/TOOLS/Makefile @@ -71,5 +71,5 @@ netstream: netstream.o $(NETSTREAM_DEPS) clean distclean: rm -f *.o *~ $(OBJS) rm -f fastmem-* fastmem2-* fastmemcpybench netstream - rm -f cpuinfo$(EXESUF) bmovl-test$(EXESUF) vfw2menc$(EXESUF) + rm -f bmovl-test$(EXESUF) vfw2menc$(EXESUF) rm -f $(REAL_TARGETS) diff --git a/TOOLS/cpuinfo.c b/TOOLS/cpuinfo.c deleted file mode 100644 index 50517696f9..0000000000 --- a/TOOLS/cpuinfo.c +++ /dev/null @@ -1,330 +0,0 @@ -/* small utility to extract CPU information - Used by configure to set CPU optimization levels on some operating - systems where /proc/cpuinfo is non-existent or unreliable. */ - -#include <stdio.h> -#include <sys/time.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#if defined(__MINGW32__) && (__MINGW32_MAJOR_VERSION <= 3) && (__MINGW32_MINOR_VERSION < 10) -#include <sys/timeb.h> -void gettimeofday(struct timeval* t,void* timezone) { - struct timeb timebuffer; - ftime( &timebuffer ); - t->tv_sec=timebuffer.time; - t->tv_usec=1000*timebuffer.millitm; -} -#endif -#ifdef __MINGW32__ -#define MISSING_USLEEP -#include <windows.h> -#define sleep(t) Sleep(1000*t); -#endif - -#ifdef __BEOS__ -#define usleep(t) snooze(t) -#endif - -#ifdef M_UNIX -typedef long long int64_t; -#define MISSING_USLEEP -#else -#include <inttypes.h> -#endif - -#define CPUID_FEATURE_DEF(bit, desc, description) \ - { bit, desc } - -typedef struct cpuid_regs { - 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; -#define CPUID ".byte 0x0f, 0xa2; " -#ifdef __x86_64__ - asm("mov %%rbx, %%rsi\n\t" -#else - asm("mov %%ebx, %%esi\n\t" -#endif - CPUID"\n\t" -#ifdef __x86_64__ - "xchg %%rsi, %%rbx\n\t" -#else - "xchg %%esi, %%ebx\n\t" -#endif - : "=a" (regs.eax), "=S" (regs.ebx), "=c" (regs.ecx), "=d" (regs.edx) - : "0" (func)); - return regs; -} - - -static int64_t -rdtsc(void) -{ - uint64_t i; -#define RDTSC ".byte 0x0f, 0x31; " - asm volatile (RDTSC : "=A"(i) : ); - return i; -} - -static const char* -brandname(int i) -{ - const static 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]; -} - -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; -} - - -int -main(int argc, char **argv) -{ - 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); */ - - 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; - - 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; - } - - 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(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(13, "cx16", "CMPXCHG16B Available"), - CPUID_FEATURE_DEF(14, "xtpr", "xTPR Disable"), - CPUID_FEATURE_DEF(18, "dca", "Direct Cache Access"), - { -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(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(4, "cr8legacy", "CR8 Available in Legacy Mode"), - { -1 } - }; - unsigned int family, model, stepping; - - 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; - model += ((regs.eax >> 16) & 0xf) << 4; - } - - 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); - } - - 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"); - - 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); -#ifdef MISSING_USLEEP - sleep(1); -#else - usleep(100000); -#endif - 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); - - 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); -} |