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powerpc/64s: Consolidate Data Storage 0x300 interrupt 

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
hifive-unleashed-5.1
Nicholas Piggin 2016-09-21 17:43:32 +10:00 committed by Michael Ellerman
parent afcf009548
commit 80795e6cbe
1 changed files with 27 additions and 26 deletions
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53
arch/powerpc/kernel/exceptions-64s.S
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@ -515,6 +515,33 @@ EXC_COMMON_BEGIN(unrecover_mce)
EXC_REAL(data_access, 0x300, 0x380)
EXC_VIRT(data_access, 0x4300, 0x4380, 0x300)
TRAMP_KVM_SKIP(PACA_EXGEN, 0x300)
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.
*/
mfspr r10,SPRN_DAR
std r10,PACA_EXGEN+EX_DAR(r13)
mfspr r10,SPRN_DSISR
stw r10,PACA_EXGEN+EX_DSISR(r13)
EXCEPTION_PROLOG_COMMON(0x300, PACA_EXGEN)
RECONCILE_IRQ_STATE(r10, r11)
ld r12,_MSR(r1)
ld r3,PACA_EXGEN+EX_DAR(r13)
lwz r4,PACA_EXGEN+EX_DSISR(r13)
li r5,0x300
std r3,_DAR(r1)
std r4,_DSISR(r1)
BEGIN_MMU_FTR_SECTION
b do_hash_page /* Try to handle as hpte fault */
MMU_FTR_SECTION_ELSE
b handle_page_fault
ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX)
EXC_REAL_BEGIN(data_access_slb, 0x380, 0x400)
SET_SCRATCH0(r13)
@ -720,7 +747,6 @@ EXC_REAL_NONE(0x1800, 0x1900)
/*** Out of line interrupts support ***/
/* moved from 0x200 */
TRAMP_KVM_SKIP(PACA_EXGEN, 0x300)
TRAMP_KVM_SKIP(PACA_EXSLB, 0x380)
TRAMP_KVM(PACA_EXGEN, 0x400)
TRAMP_KVM(PACA_EXSLB, 0x480)
@ -990,7 +1016,6 @@ EXC_COMMON(altivec_assist_common, 0x1700, unknown_exception)
* come here.
*/
EXC_VIRT(data_access, 0x4300, 0x4380, 0x300)
EXC_VIRT_BEGIN(data_access_slb, 0x4380, 0x4400)
SET_SCRATCH0(r13)
@ -1115,30 +1140,6 @@ EXC_VIRT_NONE(0x5800, 0x5900)
EXC_COMMON_BEGIN(ppc64_runlatch_on_trampoline)
b __ppc64_runlatch_on
/*
* 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.
*/
EXC_COMMON_BEGIN(data_access_common)
mfspr r10,SPRN_DAR
std r10,PACA_EXGEN+EX_DAR(r13)
mfspr r10,SPRN_DSISR
stw r10,PACA_EXGEN+EX_DSISR(r13)
EXCEPTION_PROLOG_COMMON(0x300, PACA_EXGEN)
RECONCILE_IRQ_STATE(r10, r11)
ld r12,_MSR(r1)
ld r3,PACA_EXGEN+EX_DAR(r13)
lwz r4,PACA_EXGEN+EX_DSISR(r13)
li r5,0x300
std r3,_DAR(r1)
std r4,_DSISR(r1)
BEGIN_MMU_FTR_SECTION
b do_hash_page /* Try to handle as hpte fault */
MMU_FTR_SECTION_ELSE
b handle_page_fault
ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX)
EXC_COMMON_BEGIN(h_data_storage_common)
mfspr r10,SPRN_HDAR
std r10,PACA_EXGEN+EX_DAR(r13)