Subject: [PATCH 09/17] powerpc/64s/exception: Make EXCEPTION_PROLOG_0 a gas macro for consistency with others

From: Nicholas Piggin <[email-masked]>
Date: Tue, 5 Feb 2019 00:18:20 +1000

Signed-off-by: Nicholas Piggin <[email-masked]>
---
 arch/powerpc/include/asm/exception-64s.h | 25 ++++++++++++------------
 arch/powerpc/kernel/exceptions-64s.S     | 12 ++++++------
 2 files changed, 19 insertions(+), 18 deletions(-)

diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index c78d9b1bf22d..35efb46c6f5f 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -237,7 +237,7 @@
  */
 #define EXCEPTION_RELON_PROLOG(area, label, hsrr, kvm, vec)		\
 	SET_SCRATCH0(r13);		/* save r13 */			\
-	EXCEPTION_PROLOG_0(area);					\
+	EXCEPTION_PROLOG_0 area ;					\
 	EXCEPTION_PROLOG_1 hsrr, area, kvm, vec, 0 ;			\
 	EXCEPTION_PROLOG_2_VIRT label, hsrr
 
@@ -301,13 +301,14 @@ BEGIN_FTR_SECTION_NESTED(943)						\
 	std	ra,offset(r13);						\
 END_FTR_SECTION_NESTED(ftr,ftr,943)
 
-#define EXCEPTION_PROLOG_0(area)					\
-	GET_PACA(r13);							\
-	std	r9,area+EX_R9(r13);	/* save r9 */			\
-	OPT_GET_SPR(r9, SPRN_PPR, CPU_FTR_HAS_PPR);			\
-	HMT_MEDIUM;							\
-	std	r10,area+EX_R10(r13);	/* save r10 - r12 */		\
+.macro EXCEPTION_PROLOG_0 area
+	GET_PACA(r13)
+	std	r9,\area\()+EX_R9(r13)		/* save r9 */
+	OPT_GET_SPR(r9, SPRN_PPR, CPU_FTR_HAS_PPR)
+	HMT_MEDIUM
+	std	r10,\area\()+EX_R10(r13)	/* save r10 - r12 */
 	OPT_GET_SPR(r10, SPRN_CFAR, CPU_FTR_CFAR)
+.endm
 
 .macro EXCEPTION_PROLOG_1 hsrr, area, kvm, vec, bitmask
 	OPT_SAVE_REG_TO_PACA(\area\()+EX_PPR, r9, CPU_FTR_HAS_PPR)
@@ -351,7 +352,7 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
 
 #define EXCEPTION_PROLOG(area, label, hsrr, kvm, vec)			\
 	SET_SCRATCH0(r13);		/* save r13 */			\
-	EXCEPTION_PROLOG_0(area);					\
+	EXCEPTION_PROLOG_0 area	;					\
 	EXCEPTION_PROLOG_1 hsrr, area, kvm, vec, 0 ;			\
 	EXCEPTION_PROLOG_2_REAL label, hsrr, 1
 
@@ -420,7 +421,7 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
 
 /* Do not enable RI */
 #define EXCEPTION_PROLOG_NORI(area, label, hsrr, kvm, vec)		\
-	EXCEPTION_PROLOG_0(area);					\
+	EXCEPTION_PROLOG_0 area ;					\
 	EXCEPTION_PROLOG_1 hsrr, area, kvm, vec, 0 ;			\
 	EXCEPTION_PROLOG_2_REAL label, hsrr, 0
 
@@ -568,7 +569,7 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
 /* Version of above for when we have to branch out-of-line */
 #define __OOL_EXCEPTION(vec, label, hdlr)			\
 	SET_SCRATCH0(r13);					\
-	EXCEPTION_PROLOG_0(PACA_EXGEN);				\
+	EXCEPTION_PROLOG_0 PACA_EXGEN ;				\
 	b hdlr
 
 #define STD_EXCEPTION_OOL(vec, label)				\
@@ -599,7 +600,7 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
 
 #define __MASKABLE_EXCEPTION(vec, label, hsrr, kvm, bitmask)		\
 	SET_SCRATCH0(r13);    /* save r13 */				\
-	EXCEPTION_PROLOG_0(PACA_EXGEN);					\
+	EXCEPTION_PROLOG_0 PACA_EXGEN ;					\
 	EXCEPTION_PROLOG_1 hsrr, PACA_EXGEN, kvm, vec, bitmask ;	\
 	EXCEPTION_PROLOG_2_REAL label, hsrr, 1
 
@@ -619,7 +620,7 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
 
 #define __MASKABLE_RELON_EXCEPTION(vec, label, hsrr, kvm, bitmask)	\
 	SET_SCRATCH0(r13);    /* save r13 */				\
-	EXCEPTION_PROLOG_0(PACA_EXGEN);					\
+	EXCEPTION_PROLOG_0 PACA_EXGEN ;					\
 	EXCEPTION_PROLOG_1 hsrr, PACA_EXGEN, kvm, vec, bitmask ;	\
 	EXCEPTION_PROLOG_2_VIRT label, hsrr
 
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index ebec428f8791..d6316725a43b 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -100,7 +100,7 @@ EXC_VIRT_NONE(0x4000, 0x100)
 
 EXC_REAL_BEGIN(system_reset, 0x100, 0x100)
 	SET_SCRATCH0(r13)
-	EXCEPTION_PROLOG_0(PACA_EXNMI)
+	EXCEPTION_PROLOG_0 PACA_EXNMI
 
 	/* This is EXCEPTION_PROLOG_1 with the idle feature section added */
 	OPT_SAVE_REG_TO_PACA(PACA_EXNMI+EX_PPR, r9, CPU_FTR_HAS_PPR)
@@ -251,7 +251,7 @@ EXC_REAL_BEGIN(machine_check, 0x200, 0x100)
 	 * vector
 	 */
 	SET_SCRATCH0(r13)		/* save r13 */
-	EXCEPTION_PROLOG_0(PACA_EXMC)
+	EXCEPTION_PROLOG_0 PACA_EXMC
 BEGIN_FTR_SECTION
 	b	machine_check_common_early
 FTR_SECTION_ELSE
@@ -339,7 +339,7 @@ TRAMP_REAL_BEGIN(machine_check_pSeries)
 	.globl machine_check_fwnmi
 machine_check_fwnmi:
 	SET_SCRATCH0(r13)		/* save r13 */
-	EXCEPTION_PROLOG_0(PACA_EXMC)
+	EXCEPTION_PROLOG_0 PACA_EXMC
 BEGIN_FTR_SECTION
 	b	machine_check_common_early
 END_FTR_SECTION_IFCLR(CPU_FTR_HVMODE)
@@ -552,7 +552,7 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE)
 	/* Deliver the machine check to host kernel in V mode. */
 	MACHINE_CHECK_HANDLER_WINDUP
 	SET_SCRATCH0(r13)		/* save r13 */
-	EXCEPTION_PROLOG_0(PACA_EXMC)
+	EXCEPTION_PROLOG_0 PACA_EXMC
 	b	machine_check_pSeries_0
 
 EXC_COMMON_BEGIN(unrecover_mce)
@@ -1086,7 +1086,7 @@ TRAMP_REAL_BEGIN(hmi_exception_early)
 	.globl hmi_exception_after_realmode
 hmi_exception_after_realmode:
 	SET_SCRATCH0(r13)
-	EXCEPTION_PROLOG_0(PACA_EXGEN)
+	EXCEPTION_PROLOG_0 PACA_EXGEN
 	b	tramp_real_hmi_exception
 
 EXC_COMMON_BEGIN(hmi_exception_common)
@@ -1239,7 +1239,7 @@ EXC_VIRT_NONE(0x5400, 0x100)
 
 EXC_REAL_BEGIN(denorm_exception_hv, 0x1500, 0x100)
 	mtspr	SPRN_SPRG_HSCRATCH0,r13
-	EXCEPTION_PROLOG_0(PACA_EXGEN)
+	EXCEPTION_PROLOG_0 PACA_EXGEN
 	EXCEPTION_PROLOG_1 EXC_HV, PACA_EXGEN, 0, 0x1500, 0
 
 #ifdef CONFIG_PPC_DENORMALISATION
-- 
2.18.0