powerpc/64s/exception: unwind exception-64s.h macros

Many of these macros just specify 1-4 lines which are only called a
few times each at most, and often just once. Remove this indirection.

No generated code change.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

1 files changed, 57 insertions, 19 deletions

diff --git a/arch/powerpc/include/asm/head-64.h b/arch/powerpc/include/asm/head-64.h
index acd94fcf9f40..54db05afb80f 100644
--- a/arch/powerpc/include/asm/head-64.h
+++ b/arch/powerpc/include/asm/head-64.h
@@ -258,44 +258,71 @@ name:
 	FIXED_SECTION_ENTRY_END_LOCATION(virt_vectors, exc_virt_##start##_##unused, start, size)
 
 
-#define EXC_REAL(name, start, size)					\
+#define __EXC_REAL(name, start, size, area)				\
 	EXC_REAL_BEGIN(name, start, size);				\
-	STD_EXCEPTION(start, name##_common);				\
+	SET_SCRATCH0(r13);		/* save r13 */			\
+	EXCEPTION_PROLOG_0 area ;					\
+	EXCEPTION_PROLOG_1 EXC_STD, area, 1, start, 0 ;			\
+	EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 ;		\
 	EXC_REAL_END(name, start, size)
 
-#define EXC_VIRT(name, start, size, realvec)				\
+#define EXC_REAL(name, start, size)					\
+	__EXC_REAL(name, start, size, PACA_EXGEN)
+
+#define __EXC_VIRT(name, start, size, realvec, area)			\
 	EXC_VIRT_BEGIN(name, start, size);				\
-	STD_RELON_EXCEPTION(start, realvec, name##_common);		\
+	SET_SCRATCH0(r13);    /* save r13 */				\
+	EXCEPTION_PROLOG_0 area ;					\
+	EXCEPTION_PROLOG_1 EXC_STD, area, 0, realvec, 0;		\
+	EXCEPTION_PROLOG_2_VIRT name##_common, EXC_STD ;		\
 	EXC_VIRT_END(name, start, size)
 
+#define EXC_VIRT(name, start, size, realvec)				\
+	__EXC_VIRT(name, start, size, realvec, PACA_EXGEN)
+
 #define EXC_REAL_MASKABLE(name, start, size, bitmask)			\
 	EXC_REAL_BEGIN(name, start, size);				\
-	MASKABLE_EXCEPTION(start, name##_common, bitmask);		\
+	SET_SCRATCH0(r13);    /* save r13 */				\
+	EXCEPTION_PROLOG_0 PACA_EXGEN ;					\
+	EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 1, start, bitmask ;	\
+	EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1 ;		\
 	EXC_REAL_END(name, start, size)
 
 #define EXC_VIRT_MASKABLE(name, start, size, realvec, bitmask)		\
 	EXC_VIRT_BEGIN(name, start, size);				\
-	MASKABLE_RELON_EXCEPTION(realvec, name##_common, bitmask);	\
+	SET_SCRATCH0(r13);    /* save r13 */				\
+	EXCEPTION_PROLOG_0 PACA_EXGEN ;					\
+	EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 0, realvec, bitmask ;	\
+	EXCEPTION_PROLOG_2_VIRT name##_common, EXC_STD ;		\
 	EXC_VIRT_END(name, start, size)
 
 #define EXC_REAL_HV(name, start, size)					\
 	EXC_REAL_BEGIN(name, start, size);				\
-	STD_EXCEPTION_HV(start, start, name##_common);			\
+	SET_SCRATCH0(r13);		/* save r13 */			\
+	EXCEPTION_PROLOG_0 PACA_EXGEN;					\
+	EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, start, 0 ;		\
+	EXCEPTION_PROLOG_2_REAL name##_common, EXC_HV, 1 ;		\
 	EXC_REAL_END(name, start, size)
 
 #define EXC_VIRT_HV(name, start, size, realvec)				\
 	EXC_VIRT_BEGIN(name, start, size);				\
-	STD_RELON_EXCEPTION_HV(start, realvec, name##_common);		\
+	SET_SCRATCH0(r13);		/* save r13 */			\
+	EXCEPTION_PROLOG_0 PACA_EXGEN;					\
+	EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, realvec, 0 ;		\
+	EXCEPTION_PROLOG_2_VIRT name##_common, EXC_HV ;			\
 	EXC_VIRT_END(name, start, size)
 
 #define __EXC_REAL_OOL(name, start, size)				\
 	EXC_REAL_BEGIN(name, start, size);				\
-	__OOL_EXCEPTION(start, label, tramp_real_##name);		\
+	SET_SCRATCH0(r13);						\
+	EXCEPTION_PROLOG_0 PACA_EXGEN ;					\
+	b	tramp_real_##name ;					\
 	EXC_REAL_END(name, start, size)
 
 #define __TRAMP_REAL_OOL(name, vec)					\
 	TRAMP_REAL_BEGIN(tramp_real_##name);				\
-	STD_EXCEPTION_OOL(vec, name##_common)
+	EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 1, vec, 0 ;	\
+	EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1
 
 #define EXC_REAL_OOL(name, start, size)					\
 	__EXC_REAL_OOL(name, start, size);				\
@@ -306,7 +333,8 @@ name:
 
 #define __TRAMP_REAL_OOL_MASKABLE(name, vec, bitmask)			\
 	TRAMP_REAL_BEGIN(tramp_real_##name);				\
-	MASKABLE_EXCEPTION_OOL(vec, name##_common, bitmask)
+	EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 1, vec, bitmask ;	\
+	EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1
 
 #define EXC_REAL_OOL_MASKABLE(name, start, size, bitmask)		\
 	__EXC_REAL_OOL_MASKABLE(name, start, size);			\
@@ -314,7 +342,9 @@ name:
 
 #define __EXC_REAL_OOL_HV_DIRECT(name, start, size, handler)		\
 	EXC_REAL_BEGIN(name, start, size);				\
-	__OOL_EXCEPTION(start, label, handler);				\
+	SET_SCRATCH0(r13);						\
+	EXCEPTION_PROLOG_0 PACA_EXGEN ;					\
+	b	handler;						\
 	EXC_REAL_END(name, start, size)
 
 #define __EXC_REAL_OOL_HV(name, start, size)				\
@@ -322,7 +352,8 @@ name:
 
 #define __TRAMP_REAL_OOL_HV(name, vec)					\
 	TRAMP_REAL_BEGIN(tramp_real_##name);				\
-	STD_EXCEPTION_HV_OOL(vec, name##_common)
+	EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, vec, 0 ;	\
+	EXCEPTION_PROLOG_2_REAL name##_common, EXC_HV, 1
 
 #define EXC_REAL_OOL_HV(name, start, size)				\
 	__EXC_REAL_OOL_HV(name, start, size);				\
@@ -333,7 +364,8 @@ name:
 
 #define __TRAMP_REAL_OOL_MASKABLE_HV(name, vec, bitmask)		\
 	TRAMP_REAL_BEGIN(tramp_real_##name);				\
-	MASKABLE_EXCEPTION_HV_OOL(vec, name##_common, bitmask)
+	EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, vec, bitmask ;	\
+	EXCEPTION_PROLOG_2_REAL name##_common, EXC_HV, 1
 
 #define EXC_REAL_OOL_MASKABLE_HV(name, start, size, bitmask)		\
 	__EXC_REAL_OOL_MASKABLE_HV(name, start, size);			\
@@ -341,12 +373,15 @@ name:
 
 #define __EXC_VIRT_OOL(name, start, size)				\
 	EXC_VIRT_BEGIN(name, start, size);				\
-	__OOL_EXCEPTION(start, label, tramp_virt_##name);		\
+	SET_SCRATCH0(r13);						\
+	EXCEPTION_PROLOG_0 PACA_EXGEN ;					\
+	b	tramp_virt_##name;					\
 	EXC_VIRT_END(name, start, size)
 
 #define __TRAMP_VIRT_OOL(name, realvec)					\
 	TRAMP_VIRT_BEGIN(tramp_virt_##name);				\
-	STD_RELON_EXCEPTION_OOL(realvec, name##_common)
+	EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 0, vec, 0 ;		\
+	EXCEPTION_PROLOG_2_VIRT name##_common, EXC_STD
 
 #define EXC_VIRT_OOL(name, start, size, realvec)			\
 	__EXC_VIRT_OOL(name, start, size);				\
@@ -357,7 +392,8 @@ name:
 
 #define __TRAMP_VIRT_OOL_MASKABLE(name, realvec, bitmask)		\
 	TRAMP_VIRT_BEGIN(tramp_virt_##name);				\
-	MASKABLE_RELON_EXCEPTION_OOL(realvec, name##_common, bitmask)
+	EXCEPTION_PROLOG_1 EXC_STD, PACA_EXGEN, 0, realvec, bitmask ;	\
+	EXCEPTION_PROLOG_2_REAL name##_common, EXC_STD, 1
 
 #define EXC_VIRT_OOL_MASKABLE(name, start, size, realvec, bitmask)	\
 	__EXC_VIRT_OOL_MASKABLE(name, start, size);			\
@@ -368,7 +404,8 @@ name:
 
 #define __TRAMP_VIRT_OOL_HV(name, realvec)				\
 	TRAMP_VIRT_BEGIN(tramp_virt_##name);				\
-	STD_RELON_EXCEPTION_HV_OOL(realvec, name##_common)
+	EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, realvec, 0 ;		\
+	EXCEPTION_PROLOG_2_VIRT name##_common, EXC_HV
 
 #define EXC_VIRT_OOL_HV(name, start, size, realvec)			\
 	__EXC_VIRT_OOL_HV(name, start, size);				\
@@ -379,7 +416,8 @@ name:
 
 #define __TRAMP_VIRT_OOL_MASKABLE_HV(name, realvec, bitmask)		\
 	TRAMP_VIRT_BEGIN(tramp_virt_##name);				\
-	MASKABLE_RELON_EXCEPTION_HV_OOL(realvec, name##_common, bitmask)
+	EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 1, realvec, bitmask ;	\
+	EXCEPTION_PROLOG_2_VIRT name##_common, EXC_HV
 
 #define EXC_VIRT_OOL_MASKABLE_HV(name, start, size, realvec, bitmask)	\
 	__EXC_VIRT_OOL_MASKABLE_HV(name, start, size);			\