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corinfo
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Compiler features

master
ColumbusTech 2018-11-23 20:38:48 +03:00
parent 0689b6bdfb
commit ec82882662
1 changed files with 48 additions and 43 deletions
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91
corinfo.h
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@ -27,7 +27,11 @@
#define CORINFO_H #define CORINFO_H
#if !defined(__linux) && !defined(_WIN32) #if !defined(__linux) && !defined(_WIN32)
#error "Unsupported platform" #error Unsupported platform
#endif
#if !defined(__GNUC__) && !defined(_MSC_VER)
#error Unsupported compiler
#endif #endif
#ifdef __linux #ifdef __linux
@ -43,6 +47,15 @@
#pragma comment(lib, "Powrprof.lib") #pragma comment(lib, "Powrprof.lib")
#endif #endif
#ifdef __GNUC__
#include <cpuid.h>
#define __corinfo_cpuid(cpu, cmd) __cpuid(cmd, cpu[0], cpu[1], cpu[2], cpu[3])
#endif
#ifdef _MSC_VER
#define __corinfo_cpuid(cpu, cmd) __cpuid(cpu, cmd)
#endif
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <stdint.h> #include <stdint.h>
@ -109,7 +122,7 @@ static int __ram_info(struct corinfo* info);
static int __hdd_info(struct corinfo* info); static int __hdd_info(struct corinfo* info);
#ifdef __linux #ifdef __linux
static char* skip_whitespace(char* str) static char* __skip_whitespace(char* str)
{ {
while (*str == ' ' || *str == '\n' || *str == '\t' || *str == '\r' || *str == '\f' || *str == '\v') str++; while (*str == ' ' || *str == '\n' || *str == '\t' || *str == '\r' || *str == '\f' || *str == '\v') str++;
return str; return str;
@ -122,6 +135,32 @@ static int __hdd_info(struct corinfo* info);
FILE* f = fopen("/proc/cpuinfo", "r"); FILE* f = fopen("/proc/cpuinfo", "r");
if (f == NULL) return -1; if (f == NULL) return -1;
int cpu[4];
__corinfo_cpuid(cpu, 0x00000000);
for (int i = 0; i < 4; i++)
{
info->Cpu.Vendor[0 + i] = (cpu[1] >> (i * 8)) & 0xFF;
info->Cpu.Vendor[4 + i] = (cpu[3] >> (i * 8)) & 0xFF;
info->Cpu.Vendor[8 + i] = (cpu[2] >> (i * 8)) & 0xFF;
}
__corinfo_cpuid(cpu, 0x80000002); memcpy(info->Cpu.Name + 0, cpu, 16);
__corinfo_cpuid(cpu, 0x80000003); memcpy(info->Cpu.Name + 16, cpu, 16);
__corinfo_cpuid(cpu, 0x80000004); memcpy(info->Cpu.Name + 32, cpu, 16);
__corinfo_cpuid(cpu, 0x00000001);
info->Cpu.Family = ((cpu[0] >> 8) & 0xF) + ((cpu[0] >> 20) & 0xF);
info->Cpu.Model = ((cpu[0] >> 4) & 0xF) + (((cpu[0] >> 16) & 0xF) << 4);
info->Cpu.MMX = (cpu[3] >> 23) & 0x1;
info->Cpu.SSE = (cpu[3] >> 25) & 0x1;
info->Cpu.SSE2 = (cpu[3] >> 26) & 0x1;
info->Cpu.SSE3 = (cpu[2] >> 0) & 0x1;
info->Cpu.SSE41 = (cpu[2] >> 19) & 0x1;
info->Cpu.SSE42 = (cpu[2] >> 20) & 0x1;
info->Cpu.AVX = (cpu[2] >> 28) & 0x1;
char* line = NULL; char* line = NULL;
size_t line_length = 0; size_t line_length = 0;
ssize_t line_read = 0; ssize_t line_read = 0;
@ -131,42 +170,7 @@ static int __hdd_info(struct corinfo* info);
if (memcmp(line, "cpu MHz", 7) == 0) if (memcmp(line, "cpu MHz", 7) == 0)
{ {
info->Cpu.Frequency = atoi(strchr(line, ':') + 1); info->Cpu.Frequency = atoi(strchr(line, ':') + 1);
} break;
if (memcmp(line, "cpu family", 10) == 0)
{
info->Cpu.Family = atoi(strchr(line, ':') + 1);
}
if (memcmp(line, "model\t", 6) == 0)
{
info->Cpu.Model = atoi(strchr(line, ':') + 1);
}
if (memcmp(line, "vendor_id", 9) == 0)
{
memcpy(info->Cpu.Vendor, &line[line_read] - 13, 12);
}
if (memcmp(line, "model name", 10) == 0)
{
char* str = skip_whitespace(strchr(line, ':') + 1);
size_t len = strlen(str);
for (int i = 0; i < len; i++) if (str[i] == '\n') str[i] = ' ';
memcpy(info->Cpu.Name, str, len);
}
if (memcmp(line, "flags", 5) == 0)
{
char* str = strchr(line, ':') + 1;
info->Cpu.MMX = strstr(str, " mmx") != NULL;
info->Cpu.SSE = strstr(str, " sse") != NULL;
info->Cpu.SSE2 = strstr(str, " sse2") != NULL;
info->Cpu.SSE3 = strstr(str, " ssse3") != NULL;
info->Cpu.SSE41 = strstr(str, " sse4_1") != NULL;
info->Cpu.SSE42 = strstr(str, " sse4_2") != NULL;
info->Cpu.AVX = strstr(str, " avx") != NULL;
} }
} }
@ -222,7 +226,7 @@ static int __hdd_info(struct corinfo* info);
int cpu[4]; int cpu[4];
__cpuid(cpu, 0x00000000); __corinfo_cpuid(cpu, 0x00000000);
for (int i = 0; i < 4; i++) for (int i = 0; i < 4; i++)
{ {
@ -231,11 +235,11 @@ static int __hdd_info(struct corinfo* info);
info->Cpu.Vendor[8 + i] = (cpu[2] >> (i * 8)) & 0xFF; info->Cpu.Vendor[8 + i] = (cpu[2] >> (i * 8)) & 0xFF;
} }
__cpuid(cpu, 0x80000002); memcpy(info->Cpu.Name + 0, cpu, 16); __corinfo_cpuid(cpu, 0x80000002); memcpy(info->Cpu.Name + 0, cpu, 16);
__cpuid(cpu, 0x80000003); memcpy(info->Cpu.Name + 16, cpu, 16); __corinfo_cpuid(cpu, 0x80000003); memcpy(info->Cpu.Name + 16, cpu, 16);
__cpuid(cpu, 0x80000004); memcpy(info->Cpu.Name + 32, cpu, 16); __corinfo_cpuid(cpu, 0x80000004); memcpy(info->Cpu.Name + 32, cpu, 16);
__cpuid(cpu, 0x00000001); __corinfo_cpuid(cpu, 0x00000001);
info->Cpu.Family = ((cpu[0] >> 8) & 0xF) + ((cpu[0] >> 20) & 0xF); info->Cpu.Family = ((cpu[0] >> 8) & 0xF) + ((cpu[0] >> 20) & 0xF);
info->Cpu.Model = ((cpu[0] >> 4) & 0xF) + (((cpu[0] >> 16) & 0xF) << 4); info->Cpu.Model = ((cpu[0] >> 4) & 0xF) + (((cpu[0] >> 16) & 0xF) << 4);
info->Cpu.MMX = (cpu[3] >> 23) & 0x1; info->Cpu.MMX = (cpu[3] >> 23) & 0x1;
@ -320,6 +324,7 @@ int corinfo_GetInfo(struct corinfo* info)
return 0; return 0;
} }
#undef __corinfo_cpuid
#endif #endif