| /* |
| * What processor? |
| * |
| * Copyright 1995 Morten Welinder |
| */ |
| |
| #include <stdio.h> |
| #include <ctype.h> |
| #include <string.h> |
| |
| int runtime_cpu (void) |
| { |
| static int cache = 0; |
| |
| #ifdef linux |
| if (!cache) |
| { |
| FILE *f = fopen ("/proc/cpuinfo", "r"); |
| |
| cache = 3; /* Default. */ |
| |
| if (f) |
| { |
| char info[5], value[5]; |
| while (fscanf (f, " %4s%*s : %4s%*s", info, value) == 2) |
| if (!lstrcmpi (info, "cpu")) |
| { |
| if (isdigit (value[0]) && value[1] == '8' |
| && value[2] == '6' && value[3] == 0) |
| { |
| cache = value[0] - '0'; |
| break; |
| } |
| } |
| fclose (f); |
| } |
| } |
| return cache; |
| #else |
| /* FIXME: how do we do this on other systems? */ |
| return 3; |
| #endif |
| } |
