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Tue, 25 Feb 2020 09:39:56 -0800 (PST) Received: from bobo.ibm.com ([61.68.187.74]) by smtp.gmail.com with ESMTPSA id z63sm14791480pgd.12.2020.02.25.09.39.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Feb 2020 09:39:55 -0800 (PST) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v3 04/32] powerpc/64s/exception: Expand EXC_COMMON and EXC_COMMON_ASYNC macros Date: Wed, 26 Feb 2020 03:35:13 +1000 Message-Id: <20200225173541.1549955-5-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200225173541.1549955-1-npiggin@gmail.com> References: <20200225173541.1549955-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michal Suchanek , Nicholas Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" These don't provide a large amount of code sharing. 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 da3c22eea72d..0f1da3099c28 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) @@ -1610,7 +1611,12 @@ 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) @@ -1641,7 +1647,12 @@ 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) @@ -1651,7 +1662,12 @@ 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 /* @@ -1708,11 +1724,17 @@ 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) @@ -1722,7 +1744,13 @@ 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) @@ -1738,7 +1766,13 @@ 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) @@ -1829,7 +1863,12 @@ 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) @@ -1839,7 +1878,12 @@ 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) @@ -1860,7 +1904,12 @@ 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) @@ -1874,7 +1923,12 @@ 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) @@ -1974,7 +2028,12 @@ 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 @@ -1983,7 +2042,12 @@ 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) @@ -1997,11 +2061,16 @@ 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 @@ -2010,7 +2079,12 @@ 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) -- 2.23.0