aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJoakim Tjernlund <Joakim.Tjernlund@transmode.se>2011-10-10 13:30:16 +0200
committerWilly Tarreau <w@1wt.eu>2012-04-09 15:02:40 +0200
commitcbd2de43d233e2f85c866855d68e72311abc5749 (patch)
treea42be4989e79795acf47503d6a57b42e5511dbb4
parentc6f1e91508e7f6141531bdee1d900f83ff86f7bf (diff)
downloadlinux-2.4-cbd2de43d233e2f85c866855d68e72311abc5749.tar.gz
8xx: Set correct HW pte flags in DTLB Error too
DTLB Error needs to adjust the HW PTE bits as DTLB Miss does. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: Willy Tarreau <w@1wt.eu>
-rw-r--r--arch/ppc/kernel/head_8xx.S7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/ppc/kernel/head_8xx.S b/arch/ppc/kernel/head_8xx.S
index 402158d9e4b96e..4bcd9b3d87a99a 100644
--- a/arch/ppc/kernel/head_8xx.S
+++ b/arch/ppc/kernel/head_8xx.S
@@ -592,7 +592,12 @@ DARFixed:
mfspr r21, MD_TWC /* get the pte address again */
ori r20, r20, _PAGE_DIRTY|_PAGE_ACCESSED|_PAGE_HWWRITE
stw r20, 0(r21) /* and update pte in table */
- xori r20, r20, _PAGE_RW /* RW bit is inverted */
+ rlwimi r20, r20, 32-2, _PAGE_USER>>2 /* Copy USER to Encoding */
+ /* r21 = (r20 & _PAGE_RW) >> 1 */
+ rlwinm r21, r20, 32-1, _PAGE_RW>>1
+ or r20, r21, r20
+ /* invert RW and 0x200 bits */
+ xori r20, r20, _PAGE_RW | 0x200
b finish_DTLB
2:
mfspr r20, M_TW /* Restore registers */