Update of /cvsroot/mplayer/main/TOOLS In directory usw-pr-cvs1:/tmp/cvs-serv7869/TOOLS Added Files: cpuinfo.c Log Message: applied solaris8/netbsd/other fixes patch by Jürgen Keil <jk@tools.de> --- NEW FILE --- #include <stdio.h> #include <sys/time.h> #ifdef M_UNIX typedef long long int64_t; #define MISSING_USLEEP #else #include <inttypes.h> #endif 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; " asm("movl %4,%%eax; " CPUID "movl %%eax,%0; movl %%ebx,%1; movl %%ecx,%2; movl %%edx,%3" : "=m" (regs.eax), "=m" (regs.ebx), "=m" (regs.ecx), "=m" (regs.edx) : "g" (func) : "%eax", "%ebx", "%ecx", "%edx"); return regs; } static int64_t rdtsc(void) { unsigned int i, j; #define RDTSC ".byte 0x0f, 0x31; " asm(RDTSC : "=a"(i), "=d"(j) : ); return ((int64_t)j<<32) + (int64_t)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; char *model_name = "Unknown CPU"; 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); if (strcmp(idstr, "GenuineIntel") == 0) model_name = "Unknown Intel CPU"; else if (strcmp(idstr, "AuthenticAMD") == 0) model_name = "Unknown AMD CPU"; 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; 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; } } else { amd_flags = 0; } if (max_cpuid >= 1) { static struct { int bit; char *desc;; char *description; } cap[] = { { 0, "fpu", "Floating-point unit on-chip" }, { 1, "vme", "Virtual Mode Enhancements" }, { 2, "de", "Debugging Extension" }, { 3, "pse", "Page Size Extension" }, { 4, "tsc", "Time Stamp Counter" }, { 5, "msr", "Pentium Processor MSR" }, { 6, "pae", "Physical Address Extension" }, { 7, "mce", "Machine Check Exception" }, { 8, "cx8", "CMPXCHG8B Instruction Supported" }, { 9, "apic", "On-chip CPIC Hardware Enabled" }, { 11, "sep", "SYSENTER and SYSEXIT" }, { 12, "mtrr", "Memory Type Range Registers" }, { 13, "pge", "PTE Global Bit" }, { 14, "mca", "Machine Check Architecture" }, { 15, "cmov", "Conditional Move/Compare Instruction" }, { 16, "pat", "Page Attribute Table" }, { 17, "pse", "Page Size Extension" }, { 18, "psn", "Processor Serial Number" }, { 19, "cflsh", "CFLUSH instruction" }, { 21, "ds", "Debug Store" }, { 22, "acpi", "Thermal Monitor and Clock Ctrl" }, { 23, "mmx", "MMX Technology" }, { 24, "fxsr", "FXSAVE/FXRSTOR" }, { 25, "sse", "SSE Extensions" }, { 26, "sse2", "SSE2 Extensions" }, { 27, "ss", "Self Snoop" }, { 29, "tm", "Therm. Monitor" }, { -1 } }; static struct { int bit; char *desc;; char *description; } cap_amd[] = { { 22, "mmxext","MMX Technology (AMD Extensions)" }, { 30, "3dnowext","3Dnow! Extensions" }, { 31, "3dnow", "3Dnow!" }, { -1 } }; int i; regs = cpuid(1); printf("cpu family\t: %d\n" "model\t\t: %d\n" "stepping\t: %d\n" , (regs.eax >> 8) & 0xf, (regs.eax >> 4) & 0xf, regs.eax & 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; cap_amd[i].bit >= 0; i++) { if (amd_flags & (1 << cap_amd[i].bit)) { printf(" %s", cap_amd[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: %s\n", model_name); exit(0); } _______________________________________________ Mplayer-cvslog mailing list Mplayer-cvslog@lists.sourceforge.net http://lists.sourceforge.net/lists/listinfo/mplayer-cvslog