branch to common code in DTLB Miss instead.
Signed-off-by: Joakim Tjernlund <joakim.tjernl...@transmode.se>
---
arch/ppc/kernel/head_8xx.S | 23 ++---------------------
1 files changed, 2 insertions(+), 21 deletions(-)
diff --git a/arch/ppc/kernel/head_8xx.S b/arch/ppc/kernel/head_8xx.S
index 52ff914..0aab8ca 100644
--- a/arch/ppc/kernel/head_8xx.S
+++ b/arch/ppc/kernel/head_8xx.S
@@ -461,6 +461,7 @@ DataStoreTLBMiss:
* set. All other Linux PTE bits control the behavior
* of the MMU.
*/
+finish_DTLB:
2: li r21, 0x00f0
mtspr DAR, r21 /* Tag DAR */
rlwimi r20, r21, 0, 24, 28 /* Set 24-27, clear 28 */
@@ -570,27 +571,7 @@ DARFixed:
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 */
-
- /* The Linux PTE won't go exactly into the MMU TLB.
- * Software indicator bits 22 and 28 must be clear.
- * Software indicator bits 24, 25, 26, and 27 must be
- * set. All other Linux PTE bits control the behavior
- * of the MMU.
- */
- li r21, 0x00f0
- mtspr DAR, r21 /* Tag DAR */
- rlwimi r20, r21, 0, 24, 28 /* Set 24-27, clear 28 */
- DO_8xx_CPU6(0x3d80, r3)
- mtspr MD_RPN, r20 /* Update TLB entry */
-
- mfspr r20, M_TW /* Restore registers */
- lwz r21, 0(r0)
- mtcr r21
- lwz r21, 4(r0)
-#ifdef CONFIG_8xx_CPU6
- lwz r3, 8(r0)
-#endif
- rfi
+ b finish_DTLB
2:
mfspr r20, M_TW /* Restore registers */
lwz r21, 0(r0)
--
1.7.3.4
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
