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-rw-r--r--arch/powerpc/kvm/book3s_interrupts.S27
1 files changed, 25 insertions, 2 deletions
diff --git a/arch/powerpc/kvm/book3s_interrupts.S b/arch/powerpc/kvm/book3s_interrupts.S
index 3533c999194a..d044b8b7c69d 100644
--- a/arch/powerpc/kvm/book3s_interrupts.S
+++ b/arch/powerpc/kvm/book3s_interrupts.S
@@ -25,7 +25,11 @@
#include <asm/exception-64s.h>
#if defined(CONFIG_PPC_BOOK3S_64)
+#if defined(_CALL_ELF) && _CALL_ELF == 2
+#define FUNC(name) name
+#else
#define FUNC(name) GLUE(.,name)
+#endif
#define GET_SHADOW_VCPU(reg) addi reg, r13, PACA_SVCPU
#elif defined(CONFIG_PPC_BOOK3S_32)
@@ -104,8 +108,27 @@ kvm_start_lightweight:
stb r3, HSTATE_RESTORE_HID5(r13)
/* Load up guest SPRG3 value, since it's user readable */
- ld r3, VCPU_SHARED(r4)
- ld r3, VCPU_SHARED_SPRG3(r3)
+ lwz r3, VCPU_SHAREDBE(r4)
+ cmpwi r3, 0
+ ld r5, VCPU_SHARED(r4)
+ beq sprg3_little_endian
+sprg3_big_endian:
+#ifdef __BIG_ENDIAN__
+ ld r3, VCPU_SHARED_SPRG3(r5)
+#else
+ addi r5, r5, VCPU_SHARED_SPRG3
+ ldbrx r3, 0, r5
+#endif
+ b after_sprg3_load
+sprg3_little_endian:
+#ifdef __LITTLE_ENDIAN__
+ ld r3, VCPU_SHARED_SPRG3(r5)
+#else
+ addi r5, r5, VCPU_SHARED_SPRG3
+ ldbrx r3, 0, r5
+#endif
+
+after_sprg3_load:
mtspr SPRN_SPRG3, r3
#endif /* CONFIG_PPC_BOOK3S_64 */
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