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powerpc/64s: Consolidate Hypervisor Data Storage 0xe00 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 17:43:46 +10:00 committed by Michael Ellerman
parent bc6675c608
commit f5c32c1d9a
1 changed files with 18 additions and 24 deletions
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42
arch/powerpc/kernel/exceptions-64s.S
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@ -907,10 +907,25 @@ TRAMP_KVM(PACA_EXGEN, 0xd00)
EXC_COMMON(single_step_common, 0xd00, single_step_exception)
/* At 0xe??? we have a bunch of hypervisor exceptions, we branch
* out of line to handle them
*/
__EXC_REAL_OOL_HV(h_data_storage, 0xe00, 0xe20)
__TRAMP_REAL_REAL_OOL_HV(h_data_storage, 0xe00)
EXC_VIRT_BEGIN(unused, 0x4e00, 0x4e20)
b . /* Can't happen, see v2.07 Book III-S section 6.5 */
EXC_VIRT_END(unused, 0x4e00, 0x4e20)
TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0xe00)
EXC_COMMON_BEGIN(h_data_storage_common)
mfspr r10,SPRN_HDAR
std r10,PACA_EXGEN+EX_DAR(r13)
mfspr r10,SPRN_HDSISR
stw r10,PACA_EXGEN+EX_DSISR(r13)
EXCEPTION_PROLOG_COMMON(0xe00, PACA_EXGEN)
bl save_nvgprs
RECONCILE_IRQ_STATE(r10, r11)
addi r3,r1,STACK_FRAME_OVERHEAD
bl unknown_exception
b ret_from_except
EXC_COMMON(trap_0e_common, 0xe00, unknown_exception)
__EXC_REAL_OOL_HV(h_instr_storage, 0xe20, 0xe40)
@ -1060,9 +1075,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR)
#endif
/* moved from 0xe00 */
__TRAMP_REAL_REAL_OOL_HV(h_data_storage, 0xe00)
TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0xe00)
__TRAMP_REAL_REAL_OOL_HV(h_instr_storage, 0xe20)
TRAMP_KVM_HV(PACA_EXGEN, 0xe20)
@ -1214,7 +1226,6 @@ TRAMP_REAL_BEGIN(kvmppc_skip_Hinterrupt)
/*** Common interrupt handlers ***/
EXC_COMMON(trap_0e_common, 0xe00, unknown_exception)
EXC_COMMON(emulation_assist_common, 0xe40, emulation_assist_interrupt)
EXC_COMMON_ASYNC(hmi_exception_common, 0xe60, handle_hmi_exception)
#ifdef CONFIG_PPC_DOORBELL
@ -1248,10 +1259,6 @@ EXC_COMMON(altivec_assist_common, 0x1700, unknown_exception)
* come here.
*/
EXC_VIRT_BEGIN(unused, 0x4e00, 0x4e20)
b . /* Can't happen, see v2.07 Book III-S section 6.5 */
EXC_VIRT_END(unused, 0x4e00, 0x4e20)
EXC_VIRT_BEGIN(unused, 0x4e20, 0x4e40)
b . /* Can't happen, see v2.07 Book III-S section 6.5 */
EXC_VIRT_END(unused, 0x4e20, 0x4e40)
@ -1301,19 +1308,6 @@ EXC_VIRT_NONE(0x5800, 0x5900)
EXC_COMMON_BEGIN(ppc64_runlatch_on_trampoline)
b __ppc64_runlatch_on
EXC_COMMON_BEGIN(h_data_storage_common)
mfspr r10,SPRN_HDAR
std r10,PACA_EXGEN+EX_DAR(r13)
mfspr r10,SPRN_HDSISR
stw r10,PACA_EXGEN+EX_DSISR(r13)
EXCEPTION_PROLOG_COMMON(0xe00, PACA_EXGEN)
bl save_nvgprs
RECONCILE_IRQ_STATE(r10, r11)
addi r3,r1,STACK_FRAME_OVERHEAD
bl unknown_exception
b ret_from_except
EXC_COMMON(h_instr_storage_common, 0xe20, unknown_exception)
EXC_COMMON_BEGIN(altivec_unavailable_common)