summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/mm/tlb_low_64e.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/mm/tlb_low_64e.S')
-rw-r--r--arch/powerpc/mm/tlb_low_64e.S25
1 files changed, 17 insertions, 8 deletions
diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S
index e4185581c5a7..29d6987c37ba 100644
--- a/arch/powerpc/mm/tlb_low_64e.S
+++ b/arch/powerpc/mm/tlb_low_64e.S
@@ -68,11 +68,17 @@ END_FTR_SECTION_IFSET(CPU_FTR_EMB_HV)
ld r14,PACAPGD(r13)
std r15,EX_TLB_R15(r12)
std r10,EX_TLB_CR(r12)
+#ifdef CONFIG_PPC_FSL_BOOK3E
+ std r7,EX_TLB_R7(r12)
+#endif
TLB_MISS_PROLOG_STATS
.endm
.macro tlb_epilog_bolted
ld r14,EX_TLB_CR(r12)
+#ifdef CONFIG_PPC_FSL_BOOK3E
+ ld r7,EX_TLB_R7(r12)
+#endif
ld r10,EX_TLB_R10(r12)
ld r11,EX_TLB_R11(r12)
ld r13,EX_TLB_R13(r12)
@@ -297,6 +303,7 @@ itlb_miss_fault_bolted:
* r13 = PACA
* r11 = tlb_per_core ptr
* r10 = crap (free to use)
+ * r7 = esel_next
*/
tlb_miss_common_e6500:
crmove cr2*4+2,cr0*4+2 /* cr2.eq != 0 if kernel address */
@@ -325,7 +332,11 @@ BEGIN_FTR_SECTION /* CPU_FTR_SMT */
bne 10b
b 1b
.previous
+END_FTR_SECTION_IFSET(CPU_FTR_SMT)
+
+ lbz r7,TCD_ESEL_NEXT(r11)
+BEGIN_FTR_SECTION /* CPU_FTR_SMT */
/*
* Erratum A-008139 says that we can't use tlbwe to change
* an indirect entry in any way (including replacing or
@@ -334,8 +345,7 @@ BEGIN_FTR_SECTION /* CPU_FTR_SMT */
* with tlbilx before overwriting.
*/
- lbz r15,TCD_ESEL_NEXT(r11)
- rlwinm r10,r15,16,0xff0000
+ rlwinm r10,r7,16,0xff0000
oris r10,r10,MAS0_TLBSEL(1)@h
mtspr SPRN_MAS0,r10
isync
@@ -429,15 +439,14 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_SMT)
mtspr SPRN_MAS2,r15
tlb_miss_huge_done_e6500:
- lbz r15,TCD_ESEL_NEXT(r11)
lbz r16,TCD_ESEL_MAX(r11)
lbz r14,TCD_ESEL_FIRST(r11)
- rlwimi r10,r15,16,0x00ff0000 /* insert esel_next into MAS0 */
- addi r15,r15,1 /* increment esel_next */
+ rlwimi r10,r7,16,0x00ff0000 /* insert esel_next into MAS0 */
+ addi r7,r7,1 /* increment esel_next */
mtspr SPRN_MAS0,r10
- cmpw r15,r16
- iseleq r15,r14,r15 /* if next == last use first */
- stb r15,TCD_ESEL_NEXT(r11)
+ cmpw r7,r16
+ iseleq r7,r14,r7 /* if next == last use first */
+ stb r7,TCD_ESEL_NEXT(r11)
tlbwe