58 lines
662 B
ArmAsm
58 lines
662 B
ArmAsm
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/*
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Just a bunch of CPUID stuff.
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*/
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.extern sse_initialized
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.section .text
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_init_cpuid:
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pusha
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pushf
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pop %eax
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mov %eax, %ecx
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xor $0x200000, %eax
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push %eax
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popf
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/*pushf*/
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pop %eax
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xor %ecx, %eax
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jz .no_cpuid
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lea _has_cpuid, %edi
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movl $1, (%edi)
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jmp .done
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.no_cpuid:
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lea _has_cpuid, %edi
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movl $0, (%edi)
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jmp .done
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.done:
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popa
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ret
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_sse_level:
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lea _has_sse, %edi
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lea sse_initialized, %esi
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movl (%esi), %eax
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movl %eax, (%edi)
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.section .data
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.global _has_cpuid
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_has_cpuid: .int 0
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_has_sse: .int 0
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_has_mmx: .int 0
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