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Diffstat (limited to 'arch/powerpc/kernel/idle_book3s.S')
-rw-r--r--arch/powerpc/kernel/idle_book3s.S13
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/idle_book3s.S b/arch/powerpc/kernel/idle_book3s.S
index afd029f1039b..6c9920d9221c 100644
--- a/arch/powerpc/kernel/idle_book3s.S
+++ b/arch/powerpc/kernel/idle_book3s.S
@@ -31,6 +31,7 @@
* registers for winkle support.
*/
#define _SDR1 GPR3
+#define _PTCR GPR3
#define _RPR GPR4
#define _SPURR GPR5
#define _PURR GPR6
@@ -39,7 +40,7 @@
#define _AMOR GPR9
#define _WORT GPR10
#define _WORC GPR11
-#define _PTCR GPR12
+#define _LPCR GPR12
#define PSSCR_EC_ESL_MASK_SHIFTED (PSSCR_EC | PSSCR_ESL) >> 16
@@ -55,12 +56,14 @@ save_sprs_to_stack:
* here since any thread in the core might wake up first
*/
BEGIN_FTR_SECTION
- mfspr r3,SPRN_PTCR
- std r3,_PTCR(r1)
/*
* Note - SDR1 is dropped in Power ISA v3. Hence not restoring
* SDR1 here
*/
+ mfspr r3,SPRN_PTCR
+ std r3,_PTCR(r1)
+ mfspr r3,SPRN_LPCR
+ std r3,_LPCR(r1)
FTR_SECTION_ELSE
mfspr r3,SPRN_SDR1
std r3,_SDR1(r1)
@@ -813,6 +816,10 @@ no_segments:
mtctr r12
bctrl
+BEGIN_FTR_SECTION
+ ld r4,_LPCR(r1)
+ mtspr SPRN_LPCR,r4
+END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
hypervisor_state_restored:
mtspr SPRN_SRR1,r16