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_cpuid() - full cpuid instruction wrapper

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- the prototype changes to 

	_cpuid(u32_t *eax, u32_t *ebx, u32_t *ecx, u32_t *edx)

- this makes possible to use all the features of the cpuid instruction as
  described in the Intel specs
This commit is contained in:
Tomas Hruby
2010-01-15 15:23:57 +00:00
parent 45eabea285
commit 80d671aea7
5 changed files with 50 additions and 45 deletions
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1
include/sys/vm_i386.h
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@@ -75,6 +75,7 @@ sys/vm_i386.h
#define CPUID1_EDX_PGE (1L << 13) /* Page Global (bit) Enable */
#define CPUID1_EDX_APIC_ON_CHIP (1L << 9) /* APIC is present on the chip */
#define CPUID1_EDX_TSC (1L << 4) /* Timestamp counter present */
#define CPUID1_EDX_HTT (1L << 28) /* Supports HTT */
#define CPUID1_EDX_FXSR (1L << 24)
#define CPUID1_EDX_SSE (1L << 25)
#define CPUID1_EDX_SSE2 (1L << 26)