Jeremy Soller
28 lines
557 B
NASM
28 lines
557 B
NASM
%include "cpuid.inc"
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required_features:
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.edx equ features_edx.fpu | features_edx.sse | features_edx.pae | features_edx.pse | features_edx.pge | features_edx.fxsr
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.ecx equ features_ecx.xsave
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check_cpuid:
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mov eax, 1
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cpuid
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and edx, required_features.edx
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cmp edx, required_features.edx
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jne .error
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and ecx, required_features.ecx
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cmp ecx, required_features.ecx
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jne .error
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ret
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.error:
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mov si, .err_features
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call print
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.halt:
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jmp .halt
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.err_features: db "Required CPU features are not present",13,10,0
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