[PATCH 07/41] powerpc/64s: consolidate Data Segment 0x380 interrupt
Nicholas Piggin
npiggin at gmail.com
Wed Sep 21 17:43:33 AEST 2016
Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
arch/powerpc/kernel/exceptions-64s.S | 48 +++++++++++++++++++-----------------
1 file changed, 25 insertions(+), 23 deletions(-)
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 19c9149..2cf3668 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -579,6 +579,31 @@ VECTOR_HANDLER_REAL_BEGIN(data_access_slb, 0x380, 0x400)
#endif
VECTOR_HANDLER_REAL_END(data_access_slb, 0x380, 0x400)
+VECTOR_HANDLER_VIRT_BEGIN(data_access_slb, 0x4380, 0x4400)
+ SET_SCRATCH0(r13)
+ EXCEPTION_PROLOG_0(PACA_EXSLB)
+ EXCEPTION_PROLOG_1(PACA_EXSLB, NOTEST, 0x380)
+ std r3,PACA_EXSLB+EX_R3(r13)
+ mfspr r3,SPRN_DAR
+ mfspr r12,SPRN_SRR1
+#ifndef CONFIG_RELOCATABLE
+ b slb_miss_realmode
+#else
+ /*
+ * We can't just use a direct branch to slb_miss_realmode
+ * because the distance from here to there depends on where
+ * the kernel ends up being put.
+ */
+ mfctr r11
+ ld r10,PACAKBASE(r13)
+ LOAD_HANDLER(r10, slb_miss_realmode)
+ mtctr r10
+ bctr
+#endif
+VECTOR_HANDLER_VIRT_END(data_access_slb, 0x4380, 0x4400)
+TRAMP_KVM_SKIP(PACA_EXSLB, 0x380)
+
+
VECTOR_HANDLER_REAL(instruction_access, 0x400, 0x480)
VECTOR_HANDLER_REAL_BEGIN(instruction_access_slb, 0x480, 0x500)
@@ -761,7 +786,6 @@ VECTOR_HANDLER_REAL_NONE(0x1800, 0x1900)
/*** Out of line interrupts support ***/
/* moved from 0x200 */
-TRAMP_KVM_SKIP(PACA_EXSLB, 0x380)
TRAMP_KVM(PACA_EXGEN, 0x400)
TRAMP_KVM(PACA_EXSLB, 0x480)
TRAMP_KVM(PACA_EXGEN, 0x900)
@@ -1034,28 +1058,6 @@ COMMON_HANDLER(altivec_assist_common, 0x1700, unknown_exception)
*/
-VECTOR_HANDLER_VIRT_BEGIN(data_access_slb, 0x4380, 0x4400)
- SET_SCRATCH0(r13)
- EXCEPTION_PROLOG_0(PACA_EXSLB)
- EXCEPTION_PROLOG_1(PACA_EXSLB, NOTEST, 0x380)
- std r3,PACA_EXSLB+EX_R3(r13)
- mfspr r3,SPRN_DAR
- mfspr r12,SPRN_SRR1
-#ifndef CONFIG_RELOCATABLE
- b slb_miss_realmode
-#else
- /*
- * We can't just use a direct branch to slb_miss_realmode
- * because the distance from here to there depends on where
- * the kernel ends up being put.
- */
- mfctr r11
- ld r10,PACAKBASE(r13)
- LOAD_HANDLER(r10, slb_miss_realmode)
- mtctr r10
- bctr
-#endif
-VECTOR_HANDLER_VIRT_END(data_access_slb, 0x4380, 0x4400)
VECTOR_HANDLER_VIRT(instruction_access, 0x4400, 0x4480, 0x400)
--
2.9.3
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