46 lines
686 B
NASM
46 lines
686 B
NASM
; asmfuncs.asm
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; Josh Holtrop
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; 10/23/03
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;stores the parameter to the CR0 register
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;extern dword write_cr0(dword cr0);
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[global _write_cr0]
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_write_cr0:
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push ebp
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mov ebp, esp
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mov eax, [ebp+8]
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mov cr0, eax
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pop ebp
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ret
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;returns the value in the CR0 register
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;extern dword read_cr0();
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[global _read_cr0]
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_read_cr0:
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mov eax, cr0;
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ret
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;stores the parameter to the CR3 register
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;extern dword write_cr3(dword cr3);
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[global _write_cr3]
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_write_cr3:
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push ebp
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mov ebp, esp
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mov eax, [ebp+8]
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mov cr3, eax
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pop ebp
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ret
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;returns the value in the CR3 register
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;extern dword read_cr3();
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[global _read_cr3]
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_read_cr3:
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mov eax, cr3;
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ret
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