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Fix bug in the ASM code used to load the PDT to the CR2 register

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The previous implementation in Go assembly did not translate to the
correct assembly instructions for loading CR2
This commit is contained in:
Achilleas Anagnostopoulos 2017-07-12 23:34:08 +01:00
parent 4e0ad81770
commit fdd5611220
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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@ -19,7 +19,8 @@ TEXT ·FlushTLBEntry(SB),NOSPLIT,$0
TEXT ·SwitchPDT(SB),NOSPLIT,$0
// loading CR3 also triggers a TLB flush
MOVQ pdtPhysAddr+0(FP), CR3
MOVQ pdtPhysAddr+0(FP), AX
MOVQ AX, CR3
RET
TEXT ·ActivePDT(SB),NOSPLIT,$0