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Fix a typo that resulted in or-ing PTE_UW twice whrn PTE_SW was needed.

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Note that setting the PTE_MODIFIED bit based on whether write is possible
is incorrect. We should set PTE_MODIFIED based on whether the access
is a write operation.
This commit is contained in:
marcel 2012-07-02 21:21:12 +00:00
parent 50f2900b4c
commit d03048e853
1 changed files with 1 additions and 1 deletions
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2
sys/powerpc/booke/trap_subr.S
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@ -668,7 +668,7 @@ tlb_fill_entry:
lwarx %r21, %r23, %r25 /* get pte->flags */
oris %r21, %r21, PTE_REFERENCED@h /* set referenced bit */
andi. %r22, %r21, (PTE_UW | PTE_UW)@l /* check if writable */
andi. %r22, %r21, (PTE_SW | PTE_UW)@l /* check if writable */
beq 2f
oris %r21, %r21, PTE_MODIFIED@h /* set modified bit */
2: