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Use correct FP offset for fetching the values passed to cpu.PortWriteXXX

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This commit is contained in:
Achilleas Anagnostopoulos 2017-07-05 17:09:19 +01:00
parent 40521f8626
commit 0bbaa1dbff
1 changed files with 3 additions and 3 deletions
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6
src/gopheros/kernel/cpu/cpu_amd64.s
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@ -43,20 +43,20 @@ TEXT ·ID(SB),NOSPLIT,$0
TEXT ·PortWriteByte(SB),NOSPLIT,$0
MOVW port+0(FP), DX
MOVB val+0(FP), AX
MOVB val+2(FP), AX
BYTE $0xee // out al, dx
RET
TEXT ·PortWriteWord(SB),NOSPLIT,$0
MOVW port+0(FP), DX
MOVW val+0(FP), AX
MOVW val+2(FP), AX
BYTE $0x66
BYTE $0xef // out ax, dx
RET
TEXT ·PortWriteDword(SB),NOSPLIT,$0
MOVW port+0(FP), DX
MOVL val+0(FP), AX
MOVL val+2(FP), AX
BYTE $0xef // out eax, dx
RET