powerpc/64s/exception: Add GEN_COMMON macro that uses INT_DEFINE parameters (7cb3a1a0) · Commits · 戴 / test

arch/powerpc/kernel/exceptions-64s.S

+17 −7

Original line number	Diff line number	Diff line
		@@ -206,6 +206,9 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
		#define IMASK .L_IMASK_\name\()
		#define IKVM_REAL .L_IKVM_REAL_\name\()
		#define IKVM_VIRT .L_IKVM_VIRT_\name\()
		#define ISTACK .L_ISTACK_\name\()
		#define IRECONCILE .L_IRECONCILE_\name\()
		#define IKUAP .L_IKUAP_\name\()

		#define INT_DEFINE_BEGIN(n) \
		.macro int_define_ ## n name
		@@ -246,6 +249,15 @@ do_define_int n
		.ifndef IKVM_VIRT
		IKVM_VIRT=0
		.endif
		.ifndef ISTACK
		ISTACK=1
		.endif
		.ifndef IRECONCILE
		IRECONCILE=1
		.endif
		.ifndef IKUAP
		IKUAP=1
		.endif
		.endm

		.macro INT_KVM_HANDLER name, vec, hsrr, area, skip
		@@ -670,6 +682,10 @@ END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66)
		.endif
		.endm

		.macro GEN_COMMON name
		INT_COMMON IVEC, IAREA, ISTACK, IKUAP, IRECONCILE, IDAR, IDSISR
		.endm

		/*
		* Restore all registers including H/SRR0/1 saved in a stack frame of a
		* standard exception.
		@@ -1221,13 +1237,7 @@ EXC_VIRT_BEGIN(data_access, 0x4300, 0x80)
		EXC_VIRT_END(data_access, 0x4300, 0x80)
		INT_KVM_HANDLER data_access, 0x300, EXC_STD, PACA_EXGEN, 1
		EXC_COMMON_BEGIN(data_access_common)
		/*
		* Here r13 points to the paca, r9 contains the saved CR,
		* SRR0 and SRR1 are saved in r11 and r12,
		* r9 - r13 are saved in paca->exgen.
		* EX_DAR and EX_DSISR have saved DAR/DSISR
		*/
		INT_COMMON 0x300, PACA_EXGEN, 1, 1, 1, 1, 1
		GEN_COMMON data_access
		ld r4,_DAR(r1)
		ld r5,_DSISR(r1)
		BEGIN_MMU_FTR_SECTION