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powerpc/64s/exception: INT_HANDLER support HDAR/HDSISR and use it in HDSI
Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190802105709.27696-26-npiggin@gmail.com
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@ -620,11 +620,19 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
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GET_SCRATCH0(r10)
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std r10,\area\()+EX_R13(r13)
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.if \dar
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.if \hsrr
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mfspr r10,SPRN_HDAR
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.else
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mfspr r10,SPRN_DAR
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.endif
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std r10,\area\()+EX_DAR(r13)
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.endif
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.if \dsisr
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.if \hsrr
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mfspr r10,SPRN_HDSISR
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.else
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mfspr r10,SPRN_DSISR
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.endif
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stw r10,\area\()+EX_DSISR(r13)
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.endif
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@ -1563,17 +1571,13 @@ EXC_COMMON(single_step_common, 0xd00, single_step_exception)
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EXC_REAL_BEGIN(h_data_storage, 0xe00, 0x20)
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INT_HANDLER h_data_storage, 0xe00, ool=1, hsrr=EXC_HV, kvm=1
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INT_HANDLER h_data_storage, 0xe00, ool=1, hsrr=EXC_HV, dar=1, dsisr=1, kvm=1
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EXC_REAL_END(h_data_storage, 0xe00, 0x20)
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EXC_VIRT_BEGIN(h_data_storage, 0x4e00, 0x20)
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INT_HANDLER h_data_storage, 0xe00, ool=1, virt=1, hsrr=EXC_HV, kvm=1
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INT_HANDLER h_data_storage, 0xe00, ool=1, virt=1, hsrr=EXC_HV, dar=1, dsisr=1, kvm=1
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EXC_VIRT_END(h_data_storage, 0x4e00, 0x20)
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TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0xe00)
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EXC_COMMON_BEGIN(h_data_storage_common)
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mfspr r10,SPRN_HDAR
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std r10,PACA_EXGEN+EX_DAR(r13)
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mfspr r10,SPRN_HDSISR
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stw r10,PACA_EXGEN+EX_DSISR(r13)
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EXCEPTION_COMMON(PACA_EXGEN, 0xe00)
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bl save_nvgprs
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RECONCILE_IRQ_STATE(r10, r11)
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