diff options
Diffstat (limited to 'loader/win32.c')
| -rw-r--r-- | loader/win32.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/loader/win32.c b/loader/win32.c index 105f8afc1f..323c99b1ad 100644 --- a/loader/win32.c +++ b/loader/win32.c @@ -702,12 +702,29 @@ void WINAPI expGetSystemInfo(SYSTEM_INFO* si) cachedsi.wProcessorLevel = 5; /* pentium */ cachedsi.wProcessorRevision = 0x0101; -#if defined(__FreeBSD__) || defined(__NetBSD__) - cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM; - cachedsi.wProcessorLevel= 5; - PF[PF_COMPARE_EXCHANGE_DOUBLE] = TRUE; +#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__svr4__) do_cpuid(regs); - if (regs[3] & 0x00800000) + switch ((regs[0] >> 8) & 0xf) { // cpu family + case 3: cachedsi.dwProcessorType = PROCESSOR_INTEL_386; + cachedsi.wProcessorLevel= 3; + break; + case 4: cachedsi.dwProcessorType = PROCESSOR_INTEL_486; + cachedsi.wProcessorLevel= 4; + break; + case 5: cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM; + cachedsi.wProcessorLevel= 5; + break; + case 6: cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM; + cachedsi.wProcessorLevel= 5; + break; + default:cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM; + cachedsi.wProcessorLevel= 5; + break; + } + cachedsi.wProcessorRevision = regs[0] & 0xf; // stepping + if (regs[3] & (1 << 8)) + PF[PF_COMPARE_EXCHANGE_DOUBLE] = TRUE; + if (regs[3] & (1 << 23)) PF[PF_MMX_INSTRUCTIONS_AVAILABLE] = TRUE; cachedsi.dwNumberOfProcessors=1; #else |