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| author | marcel <marcel@FreeBSD.org> | 2012-07-02 21:21:12 +0000 |
|---|---|---|
| committer | marcel <marcel@FreeBSD.org> | 2012-07-02 21:21:12 +0000 |
| commit | d03048e85374bd7f304f38a595afbfcf907c4ccc (patch) | |
| tree | ec85728c8e04804e452272c77e7bbd470d7652c0 /sys/powerpc/booke | |
| parent | 50f2900b4c01dcd1864c314eb8a5746f0f8a7657 (diff) | |
| download | FreeBSD-src-d03048e85374bd7f304f38a595afbfcf907c4ccc.zip FreeBSD-src-d03048e85374bd7f304f38a595afbfcf907c4ccc.tar.gz | |
Fix a typo that resulted in or-ing PTE_UW twice whrn PTE_SW was needed.
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.
Diffstat (limited to 'sys/powerpc/booke')
| -rw-r--r-- | sys/powerpc/booke/trap_subr.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/powerpc/booke/trap_subr.S b/sys/powerpc/booke/trap_subr.S index c3b856a..33976ca 100644 --- a/sys/powerpc/booke/trap_subr.S +++ b/sys/powerpc/booke/trap_subr.S @@ -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: |
