powerpc/64s/exception: Add INT_KVM_HANDLER gas macro

Replace the 4 variants of cpp macros with one gas macro.

No generated code change except BUG line number constants.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190802105709.27696-27-npiggin@gmail.com

diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 476e4bb..cff48d2 100644 (file)
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -651,22 +651,14 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
        .endif
 .endm
 
-
-#define TRAMP_KVM(area, n)                                             \
-       TRAMP_KVM_BEGIN(do_kvm_##n);                                    \
-       KVM_HANDLER area, EXC_STD, n, 0
-
-#define TRAMP_KVM_SKIP(area, n)                                                \
-       TRAMP_KVM_BEGIN(do_kvm_##n);                                    \
-       KVM_HANDLER area, EXC_STD, n, 1
-
-#define TRAMP_KVM_HV(area, n)                                          \
-       TRAMP_KVM_BEGIN(do_kvm_H##n);                                   \
-       KVM_HANDLER area, EXC_HV, n, 0
-
-#define TRAMP_KVM_HV_SKIP(area, n)                                     \
-       TRAMP_KVM_BEGIN(do_kvm_H##n);                                   \
-       KVM_HANDLER area, EXC_HV, n, 1
+.macro INT_KVM_HANDLER vec, hsrr, area, skip
+       .if \hsrr
+       TRAMP_KVM_BEGIN(do_kvm_H\vec\())
+       .else
+       TRAMP_KVM_BEGIN(do_kvm_\vec\())
+       .endif
+       KVM_HANDLER \area, \hsrr, \vec, \skip
+.endm
 
 #define EXC_COMMON(name, realvec, hdlr)                                        \
        EXC_COMMON_BEGIN(name);                                         \
@@ -827,9 +819,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206)
         * be dangerous anyway.
         */
 EXC_REAL_END(system_reset, 0x100, 0x100)
-
 EXC_VIRT_NONE(0x4100, 0x100)
-TRAMP_KVM(PACA_EXNMI, 0x100)
+INT_KVM_HANDLER 0x100, EXC_STD, PACA_EXNMI, 0
 
 #ifdef CONFIG_PPC_P7_NAP
 TRAMP_REAL_BEGIN(system_reset_idle_wake)
@@ -923,7 +914,7 @@ TRAMP_REAL_BEGIN(machine_check_fwnmi)
        INT_HANDLER machine_check, 0x200, early=1, area=PACA_EXMC, dar=1, dsisr=1
 #endif
 
-TRAMP_KVM_SKIP(PACA_EXMC, 0x200)
+INT_KVM_HANDLER 0x200, EXC_STD, PACA_EXMC, 1
 
 #define MACHINE_CHECK_HANDLER_WINDUP                   \
        /* Clear MSR_RI before setting SRR0 and SRR1. */\
@@ -1162,9 +1153,7 @@ EXC_REAL_END(data_access, 0x300, 0x80)
 EXC_VIRT_BEGIN(data_access, 0x4300, 0x80)
        INT_HANDLER data_access, 0x300, virt=1, dar=1, dsisr=1
 EXC_VIRT_END(data_access, 0x4300, 0x80)
-
-TRAMP_KVM_SKIP(PACA_EXGEN, 0x300)
-
+INT_KVM_HANDLER 0x300, EXC_STD, PACA_EXGEN, 1
 EXC_COMMON_BEGIN(data_access_common)
        /*
         * Here r13 points to the paca, r9 contains the saved CR,
@@ -1193,9 +1182,7 @@ EXC_REAL_END(data_access_slb, 0x380, 0x80)
 EXC_VIRT_BEGIN(data_access_slb, 0x4380, 0x80)
        INT_HANDLER data_access_slb, 0x380, virt=1, area=PACA_EXSLB, dar=1
 EXC_VIRT_END(data_access_slb, 0x4380, 0x80)
-
-TRAMP_KVM_SKIP(PACA_EXSLB, 0x380)
-
+INT_KVM_HANDLER 0x380, EXC_STD, PACA_EXSLB, 1
 EXC_COMMON_BEGIN(data_access_slb_common)
        EXCEPTION_COMMON(PACA_EXSLB, 0x380)
        ld      r4,PACA_EXSLB+EX_DAR(r13)
@@ -1228,9 +1215,7 @@ EXC_REAL_END(instruction_access, 0x400, 0x80)
 EXC_VIRT_BEGIN(instruction_access, 0x4400, 0x80)
        INT_HANDLER instruction_access, 0x400, virt=1
 EXC_VIRT_END(instruction_access, 0x4400, 0x80)
-
-TRAMP_KVM(PACA_EXGEN, 0x400)
-
+INT_KVM_HANDLER 0x400, EXC_STD, PACA_EXGEN, 0
 EXC_COMMON_BEGIN(instruction_access_common)
        EXCEPTION_COMMON(PACA_EXGEN, 0x400)
        RECONCILE_IRQ_STATE(r10, r11)
@@ -1253,8 +1238,7 @@ EXC_REAL_END(instruction_access_slb, 0x480, 0x80)
 EXC_VIRT_BEGIN(instruction_access_slb, 0x4480, 0x80)
        INT_HANDLER instruction_access_slb, 0x480, virt=1, area=PACA_EXSLB
 EXC_VIRT_END(instruction_access_slb, 0x4480, 0x80)
-TRAMP_KVM(PACA_EXSLB, 0x480)
-
+INT_KVM_HANDLER 0x480, EXC_STD, PACA_EXSLB, 0
 EXC_COMMON_BEGIN(instruction_access_slb_common)
        EXCEPTION_COMMON(PACA_EXSLB, 0x480)
        ld      r4,_NIP(r1)
@@ -1285,9 +1269,8 @@ EXC_REAL_END(hardware_interrupt, 0x500, 0x100)
 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)
-
-TRAMP_KVM(PACA_EXGEN, 0x500)
-TRAMP_KVM_HV(PACA_EXGEN, 0x500)
+INT_KVM_HANDLER 0x500, EXC_STD, PACA_EXGEN, 0
+INT_KVM_HANDLER 0x500, EXC_HV, PACA_EXGEN, 0
 EXC_COMMON_ASYNC(hardware_interrupt_common, 0x500, do_IRQ)
 
 
@@ -1297,8 +1280,7 @@ EXC_REAL_END(alignment, 0x600, 0x100)
 EXC_VIRT_BEGIN(alignment, 0x4600, 0x100)
        INT_HANDLER alignment, 0x600, virt=1, dar=1, dsisr=1
 EXC_VIRT_END(alignment, 0x4600, 0x100)
-
-TRAMP_KVM(PACA_EXGEN, 0x600)
+INT_KVM_HANDLER 0x600, EXC_STD, PACA_EXGEN, 0
 EXC_COMMON_BEGIN(alignment_common)
        EXCEPTION_COMMON(PACA_EXGEN, 0x600)
        ld      r3,PACA_EXGEN+EX_DAR(r13)
@@ -1318,7 +1300,7 @@ EXC_REAL_END(program_check, 0x700, 0x100)
 EXC_VIRT_BEGIN(program_check, 0x4700, 0x100)
        INT_HANDLER program_check, 0x700, virt=1
 EXC_VIRT_END(program_check, 0x4700, 0x100)
-TRAMP_KVM(PACA_EXGEN, 0x700)
+INT_KVM_HANDLER 0x700, EXC_STD, PACA_EXGEN, 0
 EXC_COMMON_BEGIN(program_check_common)
        /*
         * It's possible to receive a TM Bad Thing type program check with
@@ -1360,7 +1342,7 @@ EXC_REAL_END(fp_unavailable, 0x800, 0x100)
 EXC_VIRT_BEGIN(fp_unavailable, 0x4800, 0x100)
        INT_HANDLER fp_unavailable, 0x800, virt=1
 EXC_VIRT_END(fp_unavailable, 0x4800, 0x100)
-TRAMP_KVM(PACA_EXGEN, 0x800)
+INT_KVM_HANDLER 0x800, EXC_STD, PACA_EXGEN, 0
 EXC_COMMON_BEGIN(fp_unavailable_common)
        EXCEPTION_COMMON(PACA_EXGEN, 0x800)
        bne     1f                      /* if from user, just load it up */
@@ -1398,7 +1380,7 @@ EXC_REAL_END(decrementer, 0x900, 0x80)
 EXC_VIRT_BEGIN(decrementer, 0x4900, 0x80)
        INT_HANDLER decrementer, 0x900, virt=1, bitmask=IRQS_DISABLED
 EXC_VIRT_END(decrementer, 0x4900, 0x80)
-TRAMP_KVM(PACA_EXGEN, 0x900)
+INT_KVM_HANDLER 0x900, EXC_STD, PACA_EXGEN, 0
 EXC_COMMON_ASYNC(decrementer_common, 0x900, timer_interrupt)
 
 
@@ -1408,7 +1390,7 @@ EXC_REAL_END(hdecrementer, 0x980, 0x80)
 EXC_VIRT_BEGIN(hdecrementer, 0x4980, 0x80)
        INT_HANDLER hdecrementer, 0x980, virt=1, hsrr=EXC_HV, kvm=1
 EXC_VIRT_END(hdecrementer, 0x4980, 0x80)
-TRAMP_KVM_HV(PACA_EXGEN, 0x980)
+INT_KVM_HANDLER 0x980, EXC_HV, PACA_EXGEN, 0
 EXC_COMMON(hdecrementer_common, 0x980, hdec_interrupt)
 
 
@@ -1418,7 +1400,7 @@ EXC_REAL_END(doorbell_super, 0xa00, 0x100)
 EXC_VIRT_BEGIN(doorbell_super, 0x4a00, 0x100)
        INT_HANDLER doorbell_super, 0xa00, virt=1, bitmask=IRQS_DISABLED
 EXC_VIRT_END(doorbell_super, 0x4a00, 0x100)
-TRAMP_KVM(PACA_EXGEN, 0xa00)
+INT_KVM_HANDLER 0xa00, EXC_STD, PACA_EXGEN, 0
 #ifdef CONFIG_PPC_DOORBELL
 EXC_COMMON_ASYNC(doorbell_super_common, 0xa00, doorbell_exception)
 #else
@@ -1566,7 +1548,7 @@ EXC_REAL_END(single_step, 0xd00, 0x100)
 EXC_VIRT_BEGIN(single_step, 0x4d00, 0x100)
        INT_HANDLER single_step, 0xd00, virt=1
 EXC_VIRT_END(single_step, 0x4d00, 0x100)
-TRAMP_KVM(PACA_EXGEN, 0xd00)
+INT_KVM_HANDLER 0xd00, EXC_STD, PACA_EXGEN, 0
 EXC_COMMON(single_step_common, 0xd00, single_step_exception)
 
 
@@ -1576,7 +1558,7 @@ EXC_REAL_END(h_data_storage, 0xe00, 0x20)
 EXC_VIRT_BEGIN(h_data_storage, 0x4e00, 0x20)
        INT_HANDLER h_data_storage, 0xe00, ool=1, virt=1, hsrr=EXC_HV, dar=1, dsisr=1, kvm=1
 EXC_VIRT_END(h_data_storage, 0x4e00, 0x20)
-TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0xe00)
+INT_KVM_HANDLER 0xe00, EXC_HV, PACA_EXGEN, 1
 EXC_COMMON_BEGIN(h_data_storage_common)
        EXCEPTION_COMMON(PACA_EXGEN, 0xe00)
        bl      save_nvgprs
@@ -1601,7 +1583,7 @@ EXC_REAL_END(h_instr_storage, 0xe20, 0x20)
 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)
-TRAMP_KVM_HV(PACA_EXGEN, 0xe20)
+INT_KVM_HANDLER 0xe20, EXC_HV, PACA_EXGEN, 0
 EXC_COMMON(h_instr_storage_common, 0xe20, unknown_exception)
 
 
@@ -1611,7 +1593,7 @@ EXC_REAL_END(emulation_assist, 0xe40, 0x20)
 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)
-TRAMP_KVM_HV(PACA_EXGEN, 0xe40)
+INT_KVM_HANDLER 0xe40, EXC_HV, PACA_EXGEN, 0
 EXC_COMMON(emulation_assist_common, 0xe40, emulation_assist_interrupt)
 
 
@@ -1624,8 +1606,7 @@ EXC_REAL_BEGIN(hmi_exception, 0xe60, 0x20)
        INT_HANDLER hmi_exception, 0xe60, ool=1, early=1, hsrr=EXC_HV, ri=0, kvm=1
 EXC_REAL_END(hmi_exception, 0xe60, 0x20)
 EXC_VIRT_NONE(0x4e60, 0x20)
-TRAMP_KVM_HV(PACA_EXGEN, 0xe60)
-
+INT_KVM_HANDLER 0xe60, EXC_HV, PACA_EXGEN, 0
 EXC_COMMON_BEGIN(hmi_exception_early_common)
        mtctr   r10                     /* Restore ctr */
        mfspr   r11,SPRN_HSRR0          /* Save HSRR0 */
@@ -1670,7 +1651,7 @@ EXC_REAL_END(h_doorbell, 0xe80, 0x20)
 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)
-TRAMP_KVM_HV(PACA_EXGEN, 0xe80)
+INT_KVM_HANDLER 0xe80, EXC_HV, PACA_EXGEN, 0
 #ifdef CONFIG_PPC_DOORBELL
 EXC_COMMON_ASYNC(h_doorbell_common, 0xe80, doorbell_exception)
 #else
@@ -1684,7 +1665,7 @@ EXC_REAL_END(h_virt_irq, 0xea0, 0x20)
 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)
-TRAMP_KVM_HV(PACA_EXGEN, 0xea0)
+INT_KVM_HANDLER 0xea0, EXC_HV, PACA_EXGEN, 0
 EXC_COMMON_ASYNC(h_virt_irq_common, 0xea0, do_IRQ)
 
 
@@ -1700,7 +1681,7 @@ EXC_REAL_END(performance_monitor, 0xf00, 0x20)
 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)
-TRAMP_KVM(PACA_EXGEN, 0xf00)
+INT_KVM_HANDLER 0xf00, EXC_STD, PACA_EXGEN, 0
 EXC_COMMON_ASYNC(performance_monitor_common, 0xf00, performance_monitor_exception)
 
 
@@ -1710,7 +1691,7 @@ EXC_REAL_END(altivec_unavailable, 0xf20, 0x20)
 EXC_VIRT_BEGIN(altivec_unavailable, 0x4f20, 0x20)
        INT_HANDLER altivec_unavailable, 0xf20, ool=1, virt=1
 EXC_VIRT_END(altivec_unavailable, 0x4f20, 0x20)
-TRAMP_KVM(PACA_EXGEN, 0xf20)
+INT_KVM_HANDLER 0xf20, EXC_STD, PACA_EXGEN, 0
 EXC_COMMON_BEGIN(altivec_unavailable_common)
        EXCEPTION_COMMON(PACA_EXGEN, 0xf20)
 #ifdef CONFIG_ALTIVEC
@@ -1751,7 +1732,7 @@ EXC_REAL_END(vsx_unavailable, 0xf40, 0x20)
 EXC_VIRT_BEGIN(vsx_unavailable, 0x4f40, 0x20)
        INT_HANDLER vsx_unavailable, 0xf40, ool=1, virt=1
 EXC_VIRT_END(vsx_unavailable, 0x4f40, 0x20)
-TRAMP_KVM(PACA_EXGEN, 0xf40)
+INT_KVM_HANDLER 0xf40, EXC_STD, PACA_EXGEN, 0
 EXC_COMMON_BEGIN(vsx_unavailable_common)
        EXCEPTION_COMMON(PACA_EXGEN, 0xf40)
 #ifdef CONFIG_VSX
@@ -1791,7 +1772,7 @@ EXC_REAL_END(facility_unavailable, 0xf60, 0x20)
 EXC_VIRT_BEGIN(facility_unavailable, 0x4f60, 0x20)
        INT_HANDLER facility_unavailable, 0xf60, ool=1, virt=1
 EXC_VIRT_END(facility_unavailable, 0x4f60, 0x20)
-TRAMP_KVM(PACA_EXGEN, 0xf60)
+INT_KVM_HANDLER 0xf60, EXC_STD, PACA_EXGEN, 0
 EXC_COMMON(facility_unavailable_common, 0xf60, facility_unavailable_exception)
 
 
@@ -1801,7 +1782,7 @@ EXC_REAL_END(h_facility_unavailable, 0xf80, 0x20)
 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)
-TRAMP_KVM_HV(PACA_EXGEN, 0xf80)
+INT_KVM_HANDLER 0xf80, EXC_HV, PACA_EXGEN, 0
 EXC_COMMON(h_facility_unavailable_common, 0xf80, facility_unavailable_exception)
 
 
@@ -1822,7 +1803,7 @@ EXC_REAL_BEGIN(cbe_system_error, 0x1200, 0x100)
        INT_HANDLER cbe_system_error, 0x1200, ool=1, hsrr=EXC_HV, kvm=1
 EXC_REAL_END(cbe_system_error, 0x1200, 0x100)
 EXC_VIRT_NONE(0x5200, 0x100)
-TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0x1200)
+INT_KVM_HANDLER 0x1200, EXC_HV, PACA_EXGEN, 1
 EXC_COMMON(cbe_system_error_common, 0x1200, cbe_system_error_exception)
 #else /* CONFIG_CBE_RAS */
 EXC_REAL_NONE(0x1200, 0x100)
@@ -1836,7 +1817,7 @@ EXC_REAL_END(instruction_breakpoint, 0x1300, 0x100)
 EXC_VIRT_BEGIN(instruction_breakpoint, 0x5300, 0x100)
        INT_HANDLER instruction_breakpoint, 0x1300, virt=1
 EXC_VIRT_END(instruction_breakpoint, 0x5300, 0x100)
-TRAMP_KVM_SKIP(PACA_EXGEN, 0x1300)
+INT_KVM_HANDLER 0x1300, EXC_STD, PACA_EXGEN, 1
 EXC_COMMON(instruction_breakpoint_common, 0x1300, instruction_breakpoint_exception)
 
 
@@ -1866,7 +1847,7 @@ EXC_VIRT_END(denorm_exception, 0x5500, 0x100)
 EXC_VIRT_NONE(0x5500, 0x100)
 #endif
 
-TRAMP_KVM_HV(PACA_EXGEN, 0x1500)
+INT_KVM_HANDLER 0x1500, EXC_HV, PACA_EXGEN, 0
 
 #ifdef CONFIG_PPC_DENORMALISATION
 TRAMP_REAL_BEGIN(denorm_assist)
@@ -1945,7 +1926,7 @@ EXC_REAL_BEGIN(cbe_maintenance, 0x1600, 0x100)
        INT_HANDLER cbe_maintenance, 0x1600, ool=1, hsrr=EXC_HV, kvm=1
 EXC_REAL_END(cbe_maintenance, 0x1600, 0x100)
 EXC_VIRT_NONE(0x5600, 0x100)
-TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0x1600)
+INT_KVM_HANDLER 0x1600, EXC_HV, PACA_EXGEN, 1
 EXC_COMMON(cbe_maintenance_common, 0x1600, cbe_maintenance_exception)
 #else /* CONFIG_CBE_RAS */
 EXC_REAL_NONE(0x1600, 0x100)
@@ -1959,7 +1940,7 @@ EXC_REAL_END(altivec_assist, 0x1700, 0x100)
 EXC_VIRT_BEGIN(altivec_assist, 0x5700, 0x100)
        INT_HANDLER altivec_assist, 0x1700, virt=1
 EXC_VIRT_END(altivec_assist, 0x5700, 0x100)
-TRAMP_KVM(PACA_EXGEN, 0x1700)
+INT_KVM_HANDLER 0x1700, EXC_STD, PACA_EXGEN, 0
 #ifdef CONFIG_ALTIVEC
 EXC_COMMON(altivec_assist_common, 0x1700, altivec_assist_exception)
 #else
@@ -1972,7 +1953,7 @@ EXC_REAL_BEGIN(cbe_thermal, 0x1800, 0x100)
        INT_HANDLER cbe_thermal, 0x1800, ool=1, hsrr=EXC_HV, kvm=1
 EXC_REAL_END(cbe_thermal, 0x1800, 0x100)
 EXC_VIRT_NONE(0x5800, 0x100)
-TRAMP_KVM_HV_SKIP(PACA_EXGEN, 0x1800)
+INT_KVM_HANDLER 0x1800, EXC_HV, PACA_EXGEN, 1
 EXC_COMMON(cbe_thermal_common, 0x1800, cbe_thermal_exception)
 #else /* CONFIG_CBE_RAS */
 EXC_REAL_NONE(0x1800, 0x100)