diff options
| author |   Nicholas Piggin <npiggin@gmail.com> | 2016-09-21 17:43:46 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2016-10-04 13:07:05 +1100 |
| commit | f5c32c1d9a6be21bfbf9aada0e6cba8a5780c967 (patch) | |
| tree | abed5c61ea1baa8a12dbfd46aa7fa61373f0a8d2 /arch | |
| parent | powerpc/64s: Consolidate Trace 0xd00 interrupt (diff) | |
| download | wireguard-linux-f5c32c1d9a6be21bfbf9aada0e6cba8a5780c967.tar.xz wireguard-linux-f5c32c1d9a6be21bfbf9aada0e6cba8a5780c967.zip | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64s.S | 42 |
1 files changed, 18 insertions, 24 deletions
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index f47c36d605d6..10cf57eb2e77 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -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) |