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64 lines
682 B
NASM
64 lines
682 B
NASM
;
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; CPU identification fun.
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;
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;
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; void cpu_init_ASM( char* vendor, int* processor, int* properties )
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;
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%define in_vendor [ebp+8]
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%define in_proc [ebp+12]
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%define in_prop [ebp+16]
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global cpu_init_ASM
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cpu_init_ASM:
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push ebp
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mov ebp, esp
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push ebx
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push edx
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push ecx
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push esi
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pushfd
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pushfd
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pop eax
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mov ebx, eax
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xor eax, 0x200000
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push eax
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popfd
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pushfd
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pop eax
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cmp eax, ebx
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jz .L1
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xor eax, eax
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cpuid
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mov esi, in_vendor
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mov dword [esi], ebx
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mov dword [esi+4], edx
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mov dword [esi+8], ecx
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mov eax, 1
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cpuid
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and eax, 0x0ff0
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mov esi, in_proc
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mov [esi], eax
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mov esi, in_prop
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mov [esi], edx
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.L1:
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popfd
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pop esi
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pop ecx
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pop edx
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pop ebx
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pop ebp
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ret |