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Provide correct implementation for cpu.FlushTLBEntry

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The previous version worked under qemu (or qemu does not implement TLB
caching) but caused an unrecoverable page fault when running under
virtualbox.
This commit is contained in:
Achilleas Anagnostopoulos 2017-07-15 17:25:04 +01:00
parent a05c135355
commit 37e32d9960
1 changed files with 2 additions and 1 deletions
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3
src/gopheros/kernel/cpu/cpu_amd64.s
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@ -14,7 +14,8 @@ TEXT ·Halt(SB),NOSPLIT,$0
RET
TEXT ·FlushTLBEntry(SB),NOSPLIT,$0
INVLPG virtAddr+0(FP)
MOVQ virtAddr+0(FP), AX
INVLPG (AX)
RET
TEXT ·SwitchPDT(SB),NOSPLIT,$0