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powerpc/64s: Consolidate Instruction Storage 0x400 interrupt 

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin 2016-09-21 17:43:34 +10:00 committed by Michael Ellerman
parent 2b9af6e40e
commit 27ce77df60
1 changed files with 18 additions and 17 deletions
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35
arch/powerpc/kernel/exceptions-64s.S
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@ -592,6 +592,24 @@ TRAMP_KVM_SKIP(PACA_EXSLB, 0x380)
EXC_REAL(instruction_access, 0x400, 0x480)
EXC_VIRT(instruction_access, 0x4400, 0x4480, 0x400)
TRAMP_KVM(PACA_EXGEN, 0x400)
EXC_COMMON_BEGIN(instruction_access_common)
EXCEPTION_PROLOG_COMMON(0x400, PACA_EXGEN)
RECONCILE_IRQ_STATE(r10, r11)
ld r12,_MSR(r1)
ld r3,_NIP(r1)
andis. r4,r12,0x5820
li r5,0x400
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(instruction_access_slb, 0x480, 0x500)
SET_SCRATCH0(r13)
@ -772,7 +790,6 @@ EXC_REAL_NONE(0x1800, 0x1900)
/*** Out of line interrupts support ***/
/* moved from 0x200 */
TRAMP_KVM(PACA_EXGEN, 0x400)
TRAMP_KVM(PACA_EXSLB, 0x480)
TRAMP_KVM(PACA_EXGEN, 0x900)
TRAMP_KVM_HV(PACA_EXGEN, 0x980)
@ -1040,8 +1057,6 @@ EXC_COMMON(altivec_assist_common, 0x1700, unknown_exception)
* come here.
*/
EXC_VIRT(instruction_access, 0x4400, 0x4480, 0x400)
EXC_VIRT_BEGIN(instruction_access_slb, 0x4480, 0x4500)
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXSLB)
@ -1152,20 +1167,6 @@ EXC_COMMON_BEGIN(h_data_storage_common)
bl unknown_exception
b ret_from_except
EXC_COMMON_BEGIN(instruction_access_common)
EXCEPTION_PROLOG_COMMON(0x400, PACA_EXGEN)
RECONCILE_IRQ_STATE(r10, r11)
ld r12,_MSR(r1)
ld r3,_NIP(r1)
andis. r4,r12,0x5820
li r5,0x400
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(h_instr_storage_common, 0xe20, unknown_exception)