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Removing them makes code easier to shuffle around. For example, some of the common instructions will be moved into the common code gen macro. No generated code change. Signed-off-by: Nicholas Piggin --- arch/powerpc/kernel/exceptions-64s.S | 160 ++++++++++++++++++++------- 1 file changed, 117 insertions(+), 43 deletions(-) diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 0e39e98ef719..828fa4df15cf 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -757,28 +757,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP) #define FINISH_NAP #endif -#define EXC_COMMON(name, realvec, hdlr) \ - EXC_COMMON_BEGIN(name); \ - INT_COMMON realvec, PACA_EXGEN, 1, 1, 1, 0, 0 ; \ - bl save_nvgprs; \ - addi r3,r1,STACK_FRAME_OVERHEAD; \ - bl hdlr; \ - b ret_from_except - -/* - * Like EXC_COMMON, but for exceptions that can occur in the idle task and - * therefore need the special idle handling (finish nap and runlatch) - */ -#define EXC_COMMON_ASYNC(name, realvec, hdlr) \ - EXC_COMMON_BEGIN(name); \ - INT_COMMON realvec, PACA_EXGEN, 1, 1, 1, 0, 0 ; \ - FINISH_NAP; \ - RUNLATCH_ON; \ - addi r3,r1,STACK_FRAME_OVERHEAD; \ - bl hdlr; \ - b ret_from_except_lite - - /* * There are a few constraints to be concerned with. * - Real mode exceptions code/data must be located at their physical location. @@ -1349,7 +1327,13 @@ EXC_VIRT_BEGIN(hardware_interrupt, 0x4500, 0x100) INT_HANDLER hardware_interrupt, 0x500, virt=1, hsrr=EXC_HV_OR_STD, bitmask=IRQS_DISABLED, kvm=1 EXC_VIRT_END(hardware_interrupt, 0x4500, 0x100) INT_KVM_HANDLER hardware_interrupt, 0x500, EXC_HV_OR_STD, PACA_EXGEN, 0 -EXC_COMMON_ASYNC(hardware_interrupt_common, 0x500, do_IRQ) +EXC_COMMON_BEGIN(hardware_interrupt_common) + INT_COMMON 0x500, PACA_EXGEN, 1, 1, 1, 0, 0 + FINISH_NAP + RUNLATCH_ON + addi r3,r1,STACK_FRAME_OVERHEAD + bl do_IRQ + b ret_from_except_lite EXC_REAL_BEGIN(alignment, 0x600, 0x100) @@ -1455,7 +1439,13 @@ EXC_VIRT_BEGIN(decrementer, 0x4900, 0x80) INT_HANDLER decrementer, 0x900, virt=1, bitmask=IRQS_DISABLED EXC_VIRT_END(decrementer, 0x4900, 0x80) INT_KVM_HANDLER decrementer, 0x900, EXC_STD, PACA_EXGEN, 0 -EXC_COMMON_ASYNC(decrementer_common, 0x900, timer_interrupt) +EXC_COMMON_BEGIN(decrementer_common) + INT_COMMON 0x900, PACA_EXGEN, 1, 1, 1, 0, 0 + FINISH_NAP + RUNLATCH_ON + addi r3,r1,STACK_FRAME_OVERHEAD + bl timer_interrupt + b ret_from_except_lite EXC_REAL_BEGIN(hdecrementer, 0x980, 0x80) @@ -1465,7 +1455,12 @@ EXC_VIRT_BEGIN(hdecrementer, 0x4980, 0x80) INT_HANDLER hdecrementer, 0x980, virt=1, hsrr=EXC_HV, kvm=1 EXC_VIRT_END(hdecrementer, 0x4980, 0x80) INT_KVM_HANDLER hdecrementer, 0x980, EXC_HV, PACA_EXGEN, 0 -EXC_COMMON(hdecrementer_common, 0x980, hdec_interrupt) +EXC_COMMON_BEGIN(hdecrementer_common) + INT_COMMON 0x980, PACA_EXGEN, 1, 1, 1, 0, 0 + bl save_nvgprs + addi r3,r1,STACK_FRAME_OVERHEAD + bl hdec_interrupt + b ret_from_except EXC_REAL_BEGIN(doorbell_super, 0xa00, 0x100) @@ -1475,11 +1470,17 @@ EXC_VIRT_BEGIN(doorbell_super, 0x4a00, 0x100) INT_HANDLER doorbell_super, 0xa00, virt=1, bitmask=IRQS_DISABLED EXC_VIRT_END(doorbell_super, 0x4a00, 0x100) INT_KVM_HANDLER doorbell_super, 0xa00, EXC_STD, PACA_EXGEN, 0 +EXC_COMMON_BEGIN(doorbell_super_common) + INT_COMMON 0xa00, PACA_EXGEN, 1, 1, 1, 0, 0 + FINISH_NAP + RUNLATCH_ON + addi r3,r1,STACK_FRAME_OVERHEAD #ifdef CONFIG_PPC_DOORBELL -EXC_COMMON_ASYNC(doorbell_super_common, 0xa00, doorbell_exception) + bl doorbell_exception #else -EXC_COMMON_ASYNC(doorbell_super_common, 0xa00, unknown_exception) + bl unknown_exception #endif + b ret_from_except_lite EXC_REAL_NONE(0xb00, 0x100) @@ -1623,7 +1624,12 @@ EXC_VIRT_BEGIN(single_step, 0x4d00, 0x100) INT_HANDLER single_step, 0xd00, virt=1 EXC_VIRT_END(single_step, 0x4d00, 0x100) INT_KVM_HANDLER single_step, 0xd00, EXC_STD, PACA_EXGEN, 0 -EXC_COMMON(single_step_common, 0xd00, single_step_exception) +EXC_COMMON_BEGIN(single_step_common) + INT_COMMON 0xd00, PACA_EXGEN, 1, 1, 1, 0, 0 + bl save_nvgprs + addi r3,r1,STACK_FRAME_OVERHEAD + bl single_step_exception + b ret_from_except EXC_REAL_BEGIN(h_data_storage, 0xe00, 0x20) @@ -1654,7 +1660,12 @@ EXC_VIRT_BEGIN(h_instr_storage, 0x4e20, 0x20) INT_HANDLER h_instr_storage, 0xe20, ool=1, virt=1, hsrr=EXC_HV, kvm=1 EXC_VIRT_END(h_instr_storage, 0x4e20, 0x20) INT_KVM_HANDLER h_instr_storage, 0xe20, EXC_HV, PACA_EXGEN, 0 -EXC_COMMON(h_instr_storage_common, 0xe20, unknown_exception) +EXC_COMMON_BEGIN(h_instr_storage_common) + INT_COMMON 0xe20, PACA_EXGEN, 1, 1, 1, 0, 0 + bl save_nvgprs + addi r3,r1,STACK_FRAME_OVERHEAD + bl unknown_exception + b ret_from_except EXC_REAL_BEGIN(emulation_assist, 0xe40, 0x20) @@ -1664,7 +1675,12 @@ EXC_VIRT_BEGIN(emulation_assist, 0x4e40, 0x20) INT_HANDLER emulation_assist, 0xe40, ool=1, virt=1, hsrr=EXC_HV, kvm=1 EXC_VIRT_END(emulation_assist, 0x4e40, 0x20) INT_KVM_HANDLER emulation_assist, 0xe40, EXC_HV, PACA_EXGEN, 0 -EXC_COMMON(emulation_assist_common, 0xe40, emulation_assist_interrupt) +EXC_COMMON_BEGIN(emulation_assist_common) + INT_COMMON 0xe40, PACA_EXGEN, 1, 1, 1, 0, 0 + bl save_nvgprs + addi r3,r1,STACK_FRAME_OVERHEAD + bl emulation_assist_interrupt + b ret_from_except /* @@ -1721,11 +1737,17 @@ EXC_VIRT_BEGIN(h_doorbell, 0x4e80, 0x20) INT_HANDLER h_doorbell, 0xe80, ool=1, virt=1, hsrr=EXC_HV, bitmask=IRQS_DISABLED, kvm=1 EXC_VIRT_END(h_doorbell, 0x4e80, 0x20) INT_KVM_HANDLER h_doorbell, 0xe80, EXC_HV, PACA_EXGEN, 0 +EXC_COMMON_BEGIN(h_doorbell_common) + INT_COMMON 0xe80, PACA_EXGEN, 1, 1, 1, 0, 0 + FINISH_NAP + RUNLATCH_ON + addi r3,r1,STACK_FRAME_OVERHEAD #ifdef CONFIG_PPC_DOORBELL -EXC_COMMON_ASYNC(h_doorbell_common, 0xe80, doorbell_exception) + bl doorbell_exception #else -EXC_COMMON_ASYNC(h_doorbell_common, 0xe80, unknown_exception) + bl unknown_exception #endif + b ret_from_except_lite EXC_REAL_BEGIN(h_virt_irq, 0xea0, 0x20) @@ -1735,7 +1757,13 @@ EXC_VIRT_BEGIN(h_virt_irq, 0x4ea0, 0x20) INT_HANDLER h_virt_irq, 0xea0, ool=1, virt=1, hsrr=EXC_HV, bitmask=IRQS_DISABLED, kvm=1 EXC_VIRT_END(h_virt_irq, 0x4ea0, 0x20) INT_KVM_HANDLER h_virt_irq, 0xea0, EXC_HV, PACA_EXGEN, 0 -EXC_COMMON_ASYNC(h_virt_irq_common, 0xea0, do_IRQ) +EXC_COMMON_BEGIN(h_virt_irq_common) + INT_COMMON 0xea0, PACA_EXGEN, 1, 1, 1, 0, 0 + FINISH_NAP + RUNLATCH_ON + addi r3,r1,STACK_FRAME_OVERHEAD + bl do_IRQ + b ret_from_except_lite EXC_REAL_NONE(0xec0, 0x20) @@ -1751,7 +1779,13 @@ EXC_VIRT_BEGIN(performance_monitor, 0x4f00, 0x20) INT_HANDLER performance_monitor, 0xf00, ool=1, virt=1, bitmask=IRQS_PMI_DISABLED EXC_VIRT_END(performance_monitor, 0x4f00, 0x20) INT_KVM_HANDLER performance_monitor, 0xf00, EXC_STD, PACA_EXGEN, 0 -EXC_COMMON_ASYNC(performance_monitor_common, 0xf00, performance_monitor_exception) +EXC_COMMON_BEGIN(performance_monitor_common) + INT_COMMON 0xf00, PACA_EXGEN, 1, 1, 1, 0, 0 + FINISH_NAP + RUNLATCH_ON + addi r3,r1,STACK_FRAME_OVERHEAD + bl performance_monitor_exception + b ret_from_except_lite EXC_REAL_BEGIN(altivec_unavailable, 0xf20, 0x20) @@ -1842,7 +1876,12 @@ EXC_VIRT_BEGIN(facility_unavailable, 0x4f60, 0x20) INT_HANDLER facility_unavailable, 0xf60, ool=1, virt=1 EXC_VIRT_END(facility_unavailable, 0x4f60, 0x20) INT_KVM_HANDLER facility_unavailable, 0xf60, EXC_STD, PACA_EXGEN, 0 -EXC_COMMON(facility_unavailable_common, 0xf60, facility_unavailable_exception) +EXC_COMMON_BEGIN(facility_unavailable_common) + INT_COMMON 0xf60, PACA_EXGEN, 1, 1, 1, 0, 0 + bl save_nvgprs + addi r3,r1,STACK_FRAME_OVERHEAD + bl facility_unavailable_exception + b ret_from_except EXC_REAL_BEGIN(h_facility_unavailable, 0xf80, 0x20) @@ -1852,7 +1891,12 @@ EXC_VIRT_BEGIN(h_facility_unavailable, 0x4f80, 0x20) INT_HANDLER h_facility_unavailable, 0xf80, ool=1, virt=1, hsrr=EXC_HV, kvm=1 EXC_VIRT_END(h_facility_unavailable, 0x4f80, 0x20) INT_KVM_HANDLER h_facility_unavailable, 0xf80, EXC_HV, PACA_EXGEN, 0 -EXC_COMMON(h_facility_unavailable_common, 0xf80, facility_unavailable_exception) +EXC_COMMON_BEGIN(h_facility_unavailable_common) + INT_COMMON 0xf80, PACA_EXGEN, 1, 1, 1, 0, 0 + bl save_nvgprs + addi r3,r1,STACK_FRAME_OVERHEAD + bl facility_unavailable_exception + b ret_from_except EXC_REAL_NONE(0xfa0, 0x20) @@ -1873,7 +1917,12 @@ EXC_REAL_BEGIN(cbe_system_error, 0x1200, 0x100) EXC_REAL_END(cbe_system_error, 0x1200, 0x100) EXC_VIRT_NONE(0x5200, 0x100) INT_KVM_HANDLER cbe_system_error, 0x1200, EXC_HV, PACA_EXGEN, 1 -EXC_COMMON(cbe_system_error_common, 0x1200, cbe_system_error_exception) +EXC_COMMON_BEGIN(cbe_system_error_common) + INT_COMMON 0x1200, PACA_EXGEN, 1, 1, 1, 0, 0 + bl save_nvgprs + addi r3,r1,STACK_FRAME_OVERHEAD + bl cbe_system_error_exception + b ret_from_except #else /* CONFIG_CBE_RAS */ EXC_REAL_NONE(0x1200, 0x100) EXC_VIRT_NONE(0x5200, 0x100) @@ -1887,7 +1936,12 @@ EXC_VIRT_BEGIN(instruction_breakpoint, 0x5300, 0x100) INT_HANDLER instruction_breakpoint, 0x1300, virt=1 EXC_VIRT_END(instruction_breakpoint, 0x5300, 0x100) INT_KVM_HANDLER instruction_breakpoint, 0x1300, EXC_STD, PACA_EXGEN, 1 -EXC_COMMON(instruction_breakpoint_common, 0x1300, instruction_breakpoint_exception) +EXC_COMMON_BEGIN(instruction_breakpoint_common) + INT_COMMON 0x1300, PACA_EXGEN, 1, 1, 1, 0, 0 + bl save_nvgprs + addi r3,r1,STACK_FRAME_OVERHEAD + bl instruction_breakpoint_exception + b ret_from_except EXC_REAL_NONE(0x1400, 0x100) @@ -1987,7 +2041,12 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR) b . #endif -EXC_COMMON(denorm_common, 0x1500, unknown_exception) +EXC_COMMON_BEGIN(denorm_common) + INT_COMMON 0x1500, PACA_EXGEN, 1, 1, 1, 0, 0 + bl save_nvgprs + addi r3,r1,STACK_FRAME_OVERHEAD + bl unknown_exception + b ret_from_except #ifdef CONFIG_CBE_RAS @@ -1996,7 +2055,12 @@ EXC_REAL_BEGIN(cbe_maintenance, 0x1600, 0x100) EXC_REAL_END(cbe_maintenance, 0x1600, 0x100) EXC_VIRT_NONE(0x5600, 0x100) INT_KVM_HANDLER cbe_maintenance, 0x1600, EXC_HV, PACA_EXGEN, 1 -EXC_COMMON(cbe_maintenance_common, 0x1600, cbe_maintenance_exception) +EXC_COMMON_BEGIN(cbe_maintenance_common) + INT_COMMON 0x1600, PACA_EXGEN, 1, 1, 1, 0, 0 + bl save_nvgprs + addi r3,r1,STACK_FRAME_OVERHEAD + bl cbe_maintenance_exception + b ret_from_except #else /* CONFIG_CBE_RAS */ EXC_REAL_NONE(0x1600, 0x100) EXC_VIRT_NONE(0x5600, 0x100) @@ -2010,11 +2074,16 @@ EXC_VIRT_BEGIN(altivec_assist, 0x5700, 0x100) INT_HANDLER altivec_assist, 0x1700, virt=1 EXC_VIRT_END(altivec_assist, 0x5700, 0x100) INT_KVM_HANDLER altivec_assist, 0x1700, EXC_STD, PACA_EXGEN, 0 +EXC_COMMON_BEGIN(altivec_assist_common) + INT_COMMON 0x1700, PACA_EXGEN, 1, 1, 1, 0, 0 + bl save_nvgprs + addi r3,r1,STACK_FRAME_OVERHEAD #ifdef CONFIG_ALTIVEC -EXC_COMMON(altivec_assist_common, 0x1700, altivec_assist_exception) + bl altivec_assist_exception #else -EXC_COMMON(altivec_assist_common, 0x1700, unknown_exception) + bl unknown_exception #endif + b ret_from_except #ifdef CONFIG_CBE_RAS @@ -2023,7 +2092,12 @@ EXC_REAL_BEGIN(cbe_thermal, 0x1800, 0x100) EXC_REAL_END(cbe_thermal, 0x1800, 0x100) EXC_VIRT_NONE(0x5800, 0x100) INT_KVM_HANDLER cbe_thermal, 0x1800, EXC_HV, PACA_EXGEN, 1 -EXC_COMMON(cbe_thermal_common, 0x1800, cbe_thermal_exception) +EXC_COMMON_BEGIN(cbe_thermal_common) + INT_COMMON 0x1800, PACA_EXGEN, 1, 1, 1, 0, 0 + bl save_nvgprs + addi r3,r1,STACK_FRAME_OVERHEAD + bl cbe_thermal_exception + b ret_from_except #else /* CONFIG_CBE_RAS */ EXC_REAL_NONE(0x1800, 0x100) EXC_VIRT_NONE(0x5800, 0x100) -- 2.22.0