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powerpc/64s/exception: move EXCEPTION_PROLOG_2* to a more logical place

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No generated code change.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin 2019-06-22 23:15:24 +10:00 committed by Michael Ellerman
parent 80bd9177de
commit f0ac44788e
1 changed files with 57 additions and 56 deletions
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113
arch/powerpc/include/asm/exception-64s.h
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@ -174,62 +174,6 @@
ori reg,reg,(ABS_ADDR(label))@l; \
addis reg,reg,(ABS_ADDR(label))@h
.macro EXCEPTION_PROLOG_2_REAL label, hsrr, set_ri
ld r10,PACAKMSR(r13) /* get MSR value for kernel */
.if ! \set_ri
xori r10,r10,MSR_RI /* Clear MSR_RI */
.endif
.if \hsrr
mfspr r11,SPRN_HSRR0 /* save HSRR0 */
.else
mfspr r11,SPRN_SRR0 /* save SRR0 */
.endif
LOAD_HANDLER(r12, \label\())
.if \hsrr
mtspr SPRN_HSRR0,r12
mfspr r12,SPRN_HSRR1 /* and HSRR1 */
mtspr SPRN_HSRR1,r10
HRFI_TO_KERNEL
.else
mtspr SPRN_SRR0,r12
mfspr r12,SPRN_SRR1 /* and SRR1 */
mtspr SPRN_SRR1,r10
RFI_TO_KERNEL
.endif
b . /* prevent speculative execution */
.endm
.macro EXCEPTION_PROLOG_2_VIRT label, hsrr
#ifdef CONFIG_RELOCATABLE
.if \hsrr
mfspr r11,SPRN_HSRR0 /* save HSRR0 */
.else
mfspr r11,SPRN_SRR0 /* save SRR0 */
.endif
LOAD_HANDLER(r12, \label\())
mtctr r12
.if \hsrr
mfspr r12,SPRN_HSRR1 /* and HSRR1 */
.else
mfspr r12,SPRN_SRR1 /* and HSRR1 */
.endif
li r10,MSR_RI
mtmsrd r10,1 /* Set RI (EE=0) */
bctr
#else
.if \hsrr
mfspr r11,SPRN_HSRR0 /* save HSRR0 */
mfspr r12,SPRN_HSRR1 /* and HSRR1 */
.else
mfspr r11,SPRN_SRR0 /* save SRR0 */
mfspr r12,SPRN_SRR1 /* and SRR1 */
.endif
li r10,MSR_RI
mtmsrd r10,1 /* Set RI (EE=0) */
b \label
#endif
.endm
/* Exception register prefixes */
#define EXC_HV 1
#define EXC_STD 0
@ -340,6 +284,63 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
std r10,\area\()+EX_R13(r13)
.endm
.macro EXCEPTION_PROLOG_2_REAL label, hsrr, set_ri
ld r10,PACAKMSR(r13) /* get MSR value for kernel */
.if ! \set_ri
xori r10,r10,MSR_RI /* Clear MSR_RI */
.endif
.if \hsrr
mfspr r11,SPRN_HSRR0 /* save HSRR0 */
.else
mfspr r11,SPRN_SRR0 /* save SRR0 */
.endif
LOAD_HANDLER(r12, \label\())
.if \hsrr
mtspr SPRN_HSRR0,r12
mfspr r12,SPRN_HSRR1 /* and HSRR1 */
mtspr SPRN_HSRR1,r10
HRFI_TO_KERNEL
.else
mtspr SPRN_SRR0,r12
mfspr r12,SPRN_SRR1 /* and SRR1 */
mtspr SPRN_SRR1,r10
RFI_TO_KERNEL
.endif
b . /* prevent speculative execution */
.endm
.macro EXCEPTION_PROLOG_2_VIRT label, hsrr
#ifdef CONFIG_RELOCATABLE
.if \hsrr
mfspr r11,SPRN_HSRR0 /* save HSRR0 */
.else
mfspr r11,SPRN_SRR0 /* save SRR0 */
.endif
LOAD_HANDLER(r12, \label\())
mtctr r12
.if \hsrr
mfspr r12,SPRN_HSRR1 /* and HSRR1 */
.else
mfspr r12,SPRN_SRR1 /* and HSRR1 */
.endif
li r10,MSR_RI
mtmsrd r10,1 /* Set RI (EE=0) */
bctr
#else
.if \hsrr
mfspr r11,SPRN_HSRR0 /* save HSRR0 */
mfspr r12,SPRN_HSRR1 /* and HSRR1 */
.else
mfspr r11,SPRN_SRR0 /* save SRR0 */
mfspr r12,SPRN_SRR1 /* and SRR1 */
.endif
li r10,MSR_RI
mtmsrd r10,1 /* Set RI (EE=0) */
b \label
#endif
.endm
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
/*
* If hv is possible, interrupts come into to the hv version