OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/09/2024 07:14:13 AM	rwxr-xr-x
📄 8xx_immap.h	13.77 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 Kbuild	248 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 accounting.h	1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 agp.h	525 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 archrandom.h	1016 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 asm-compat.h	2.53 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-offsets.h	35 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-prototypes.h	4.78 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 async_tx.h	1.64 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 atomic.h	13.57 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 backlight.h	1.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 barrier.h	3.57 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 bitops.h	7.8 KB	06/16/2023 05:32:39 PM	rw-r--r--
📁 book3s	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 bootx.h	1.12 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 btext.h	926 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bug.h	3.55 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bugs.h	486 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cache.h	2.47 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cacheflush.h	3.76 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cell-pmu.h	4.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cell-regs.h	9.57 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 checksum.h	5.85 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cmpxchg.h	12.16 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 code-patching-asm.h	397 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 code-patching.h	5.01 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 compat.h	6.26 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 context_tracking.h	245 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 copro.h	769 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpm.h	5.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpm1.h	21.08 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpm2.h	48.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpu_has_feature.h	1.31 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpufeature.h	1.18 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpuidle.h	3.31 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cputable.h	22.56 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cputhreads.h	2.92 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cputime.h	1.59 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 current.h	835 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dbdma.h	3.72 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dbell.h	2.78 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dcr-generic.h	1.58 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dcr-mmio.h	1.68 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dcr-native.h	4.42 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 dcr-regs.h	5.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dcr.h	2.73 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 debug.h	1.97 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 debugfs.h	489 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 delay.h	3.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 device.h	1.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 disassemble.h	2.73 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-mapping.h	4.12 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma.h	10.51 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dt_cpu_ftrs.h	816 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 edac.h	1.08 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 eeh.h	14.44 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 eeh_event.h	1.36 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ehv_pic.h	963 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 elf.h	6.29 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 emergency-restart.h	43 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 emulated_ops.h	2.58 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 epapr_hcalls.h	16.44 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 exception-64e.h	7.21 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 exception-64s.h	22.72 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 exec.h	246 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 extable.h	904 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fadump.h	6.1 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 fb.h	483 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 feature-fixups.h	8.76 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 firmware.h	4.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fixmap.h	2.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 floppy.h	4.86 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fs_pd.h	1.02 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fsl_85xx_cache_sram.h	1.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fsl_gtm.h	1.38 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fsl_hcalls.h	17.2 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fsl_lbc.h	10.9 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fsl_pamu_stash.h	1.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fsl_pm.h	1.36 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ftrace.h	2.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 futex.h	2.4 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 grackle.h	331 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 hardirq.h	1.15 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 head-64.h	13.86 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 heathrow.h	2.53 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 highmem.h	2.41 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hmi.h	1.49 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 hugetlb.h	4.73 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 hvcall.h	15.35 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 hvconsole.h	1.37 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hvcserver.h	2.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hvsi.h	2.78 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hw_breakpoint.h	3.07 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hw_irq.h	5.24 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 hydra.h	2.91 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 i8259.h	361 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 ibmebus.h	2.15 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 icswx.h	4.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ide.h	586 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 ima.h	772 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 imc-pmu.h	2.87 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 immap_cpm2.h	10.5 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 io-defs.h	3.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 io-workarounds.h	1.54 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 io.h	28.02 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 io_event_irq.h	1.91 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 iommu.h	10.16 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ipic.h	3.51 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq.h	1.83 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq_work.h	252 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 irqflags.h	1.7 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 isa-bridge.h	654 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 jump_label.h	1.62 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kdebug.h	291 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 kdump.h	1.37 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kexec.h	4.02 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 keylargo.h	10.8 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kgdb.h	2.06 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kmap_types.h	434 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 kprobes.h	3.75 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kup.h	1021 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_asm.h	5.46 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_book3s.h	12.06 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_book3s_32.h	1.39 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_book3s_64.h	12.62 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_book3s_asm.h	4.4 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_booke.h	2.68 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_booke_hv_asm.h	2.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_fpu.h	2.74 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_host.h	19.92 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_para.h	1.49 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_ppc.h	34.83 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 libata-portmap.h	249 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 linkage.h	501 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 livepatch.h	1.65 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 local.h	3.79 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 lppaca.h	5.02 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 lv1call.h	18.74 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 machdep.h	9.7 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 macio.h	3.89 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mc146818rtc.h	943 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mce.h	5.58 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mediabay.h	1.34 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mm-arch-hooks.h	839 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mman.h	1.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu-40x.h	1.94 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu-44x.h	5.56 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu-8xx.h	8.6 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmu-book3e.h	9.47 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu.h	9.2 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu_context.h	6.26 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmzone.h	1.08 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 module.h	2.47 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mpc5121.h	3.82 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mpc52xx.h	10.85 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mpc52xx_psc.h	9.89 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mpc5xxx.h	641 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mpc6xx.h	143 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mpc8260.h	742 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mpc85xx.h	2.52 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mpic.h	13.97 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mpic_msgr.h	3.52 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mpic_timer.h	1.39 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 msi_bitmap.h	1.01 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 nmi.h	238 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📁 nohash	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 nvram.h	3.21 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ohare.h	1.64 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 opal-api.h	29.34 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 opal.h	16.53 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 oprofile_impl.h	3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 paca.h	8.06 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 page.h	10.65 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 page_32.h	1.57 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 page_64.h	2.93 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 parport.h	956 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pasemi_dma.h	23.32 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pci-bridge.h	9.21 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 pci.h	4.58 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 percpu.h	468 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 perf_event.h	1.23 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 perf_event_fsl_emb.h	1.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 perf_event_server.h	6.3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgalloc.h	620 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-be-types.h	2.76 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-types.h	1.94 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable.h	2.45 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 plpar_wrappers.h	8.35 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pmac_feature.h	13.08 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pmac_low_i2c.h	3.24 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pmac_pfunc.h	8.01 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pmc.h	1.35 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pmi.h	1.77 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pnv-ocxl.h	1.4 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 pnv-pci.h	3.22 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 powernv.h	1.57 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 ppc-opcode.h	19.05 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 ppc-pci.h	2.69 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ppc4xx.h	530 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 ppc4xx_ocm.h	1.41 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ppc_asm.h	21.63 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 probes.h	2.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 processor.h	15 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 prom.h	7.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ps3.h	15.44 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 ps3av.h	23.49 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ps3gpu.h	2.44 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ps3stor.h	1.99 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pte-common.h	6.27 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 pte-walk.h	1.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ptrace.h	7.14 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 reg.h	61.61 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 reg_8xx.h	4.96 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 reg_a2.h	6.16 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 reg_booke.h	36.17 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 reg_fsl_emb.h	3.65 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 rheap.h	2.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 rio.h	637 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 rtas.h	14.67 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 runlatch.h	1.16 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 scom.h	4.92 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 seccomp.h	249 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 sections.h	1.9 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 security_features.h	3.03 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 serial.h	677 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 setjmp.h	630 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 setup.h	2.44 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 sfp-machine.h	12.38 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 shmparam.h	206 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 signal.h	225 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 slice.h	1.12 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 smp.h	6.13 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 smu.h	19.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sparsemem.h	1.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock.h	7.04 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 spinlock_types.h	424 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spu.h	25.28 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 spu_csa.h	6.64 KB	01/28/2018 09:20:33 PM	rw-r--r--
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Editing: exception-64s.h

#ifndef _ASM_POWERPC_EXCEPTION_H
#define _ASM_POWERPC_EXCEPTION_H
/*
 * Extracted from head_64.S
 *
 *  PowerPC version
 *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
 *
 *  Rewritten by Cort Dougan (cort@cs.nmt.edu) for PReP
 *    Copyright (C) 1996 Cort Dougan <cort@cs.nmt.edu>
 *  Adapted for Power Macintosh by Paul Mackerras.
 *  Low-level exception handlers and MMU support
 *  rewritten by Paul Mackerras.
 *    Copyright (C) 1996 Paul Mackerras.
 *
 *  Adapted for 64bit PowerPC by Dave Engebretsen, Peter Bergner, and
 *    Mike Corrigan {engebret|bergner|mikejc}@us.ibm.com
 *
 *  This file contains the low-level support and setup for the
 *  PowerPC-64 platform, including trap and interrupt dispatch.
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version
 *  2 of the License, or (at your option) any later version.
 */
/*
 * The following macros define the code that appears as
 * the prologue to each of the exception handlers.  They
 * are split into two parts to allow a single kernel binary
 * to be used for pSeries and iSeries.
 *
 * We make as much of the exception code common between native
 * exception handlers (including pSeries LPAR) and iSeries LPAR
 * implementations as possible.
 */
#include <asm/head-64.h>

/* PACA save area offsets (exgen, exmc, etc) */
#define EX_R9		0
#define EX_R10		8
#define EX_R11		16
#define EX_R12		24
#define EX_R13		32
#define EX_DAR		40
#define EX_DSISR	48
#define EX_CCR		52
#define EX_CFAR		56
#define EX_PPR		64
#if defined(CONFIG_RELOCATABLE)
#define EX_CTR		72
#define EX_SIZE		10	/* size in u64 units */
#else
#define EX_SIZE		9	/* size in u64 units */
#endif

/*
 * maximum recursive depth of MCE exceptions
 */
#define MAX_MCE_DEPTH	4

/*
 * EX_LR is only used in EXSLB and where it does not overlap with EX_DAR
 * EX_CCR similarly with DSISR, but being 4 byte registers there is a hole
 * in the save area so it's not necessary to overlap them. Could be used
 * for future savings though if another 4 byte register was to be saved.
 */
#define EX_LR		EX_DAR

/*
 * EX_R3 is only used by the bad_stack handler. bad_stack reloads and
 * saves DAR from SPRN_DAR, and EX_DAR is not used. So EX_R3 can overlap
 * with EX_DAR.
 */
#define EX_R3		EX_DAR

#define STF_ENTRY_BARRIER_SLOT						\
	STF_ENTRY_BARRIER_FIXUP_SECTION;				\
	nop;								\
	nop;								\
	nop

#define STF_EXIT_BARRIER_SLOT						\
	STF_EXIT_BARRIER_FIXUP_SECTION;					\
	nop;								\
	nop;								\
	nop;								\
	nop;								\
	nop;								\
	nop

#define ENTRY_FLUSH_SLOT						\
	ENTRY_FLUSH_FIXUP_SECTION;					\
	nop;								\
	nop;								\
	nop;

/*
 * r10 must be free to use, r13 must be paca
 */
#define INTERRUPT_TO_KERNEL						\
	STF_ENTRY_BARRIER_SLOT;						\
	ENTRY_FLUSH_SLOT

/*
 * Macros for annotating the expected destination of (h)rfid
 *
 * The nop instructions allow us to insert one or more instructions to flush the
 * L1-D cache when returning to userspace or a guest.
 */
#define RFI_FLUSH_SLOT							\
	RFI_FLUSH_FIXUP_SECTION;					\
	nop;								\
	nop;								\
	nop

#define RFI_TO_KERNEL							\
	rfid

#define RFI_TO_USER							\
	STF_EXIT_BARRIER_SLOT;						\
	RFI_FLUSH_SLOT;							\
	rfid;								\
	b	rfi_flush_fallback

#define RFI_TO_USER_OR_KERNEL						\
	STF_EXIT_BARRIER_SLOT;						\
	RFI_FLUSH_SLOT;							\
	rfid;								\
	b	rfi_flush_fallback

#define RFI_TO_GUEST							\
	STF_EXIT_BARRIER_SLOT;						\
	RFI_FLUSH_SLOT;							\
	rfid;								\
	b	rfi_flush_fallback

#define HRFI_TO_KERNEL							\
	hrfid

#define HRFI_TO_USER							\
	STF_EXIT_BARRIER_SLOT;						\
	RFI_FLUSH_SLOT;							\
	hrfid;								\
	b	hrfi_flush_fallback

#define HRFI_TO_USER_OR_KERNEL						\
	STF_EXIT_BARRIER_SLOT;						\
	RFI_FLUSH_SLOT;							\
	hrfid;								\
	b	hrfi_flush_fallback

#define HRFI_TO_GUEST							\
	STF_EXIT_BARRIER_SLOT;						\
	RFI_FLUSH_SLOT;							\
	hrfid;								\
	b	hrfi_flush_fallback

#define HRFI_TO_UNKNOWN							\
	STF_EXIT_BARRIER_SLOT;						\
	RFI_FLUSH_SLOT;							\
	hrfid;								\
	b	hrfi_flush_fallback

#ifdef CONFIG_RELOCATABLE
#define __EXCEPTION_RELON_PROLOG_PSERIES_1(label, h)			\
	mfspr	r11,SPRN_##h##SRR0;	/* save SRR0 */			\
	LOAD_HANDLER(r12,label);					\
	mtctr	r12;							\
	mfspr	r12,SPRN_##h##SRR1;	/* and SRR1 */			\
	li	r10,MSR_RI;						\
	mtmsrd 	r10,1;			/* Set RI (EE=0) */		\
	bctr;
#else
/* If not relocatable, we can jump directly -- and save messing with LR */
#define __EXCEPTION_RELON_PROLOG_PSERIES_1(label, h)			\
	mfspr	r11,SPRN_##h##SRR0;	/* save SRR0 */			\
	mfspr	r12,SPRN_##h##SRR1;	/* and SRR1 */			\
	li	r10,MSR_RI;						\
	mtmsrd 	r10,1;			/* Set RI (EE=0) */		\
	b	label;
#endif
#define EXCEPTION_RELON_PROLOG_PSERIES_1(label, h)			\
	__EXCEPTION_RELON_PROLOG_PSERIES_1(label, h)			\

/*
 * As EXCEPTION_PROLOG_PSERIES(), except we've already got relocation on
 * so no need to rfid.  Save lr in case we're CONFIG_RELOCATABLE, in which
 * case EXCEPTION_RELON_PROLOG_PSERIES_1 will be using lr.
 */
#define EXCEPTION_RELON_PROLOG_PSERIES(area, label, h, extra, vec)	\
	EXCEPTION_PROLOG_0(area);					\
	EXCEPTION_PROLOG_1(area, extra, vec);				\
	EXCEPTION_RELON_PROLOG_PSERIES_1(label, h)

/*
 * We're short on space and time in the exception prolog, so we can't
 * use the normal LOAD_REG_IMMEDIATE macro to load the address of label.
 * Instead we get the base of the kernel from paca->kernelbase and or in the low
 * part of label. This requires that the label be within 64KB of kernelbase, and
 * that kernelbase be 64K aligned.
 */
#define LOAD_HANDLER(reg, label)					\
	ld	reg,PACAKBASE(r13);	/* get high part of &label */	\
	ori	reg,reg,FIXED_SYMBOL_ABS_ADDR(label);

#define __LOAD_HANDLER(reg, label)					\
	ld	reg,PACAKBASE(r13);					\
	ori	reg,reg,(ABS_ADDR(label))@l;

/*
 * Branches from unrelocated code (e.g., interrupts) to labels outside
 * head-y require >64K offsets.
 */
#define __LOAD_FAR_HANDLER(reg, label)					\
	ld	reg,PACAKBASE(r13);					\
	ori	reg,reg,(ABS_ADDR(label))@l;				\
	addis	reg,reg,(ABS_ADDR(label))@h;

/* Exception register prefixes */
#define EXC_HV	H
#define EXC_STD

#if defined(CONFIG_RELOCATABLE)
/*
 * If we support interrupts with relocation on AND we're a relocatable kernel,
 * we need to use CTR to get to the 2nd level handler.  So, save/restore it
 * when required.
 */
#define SAVE_CTR(reg, area)	mfctr	reg ; 	std	reg,area+EX_CTR(r13)
#define GET_CTR(reg, area) 			ld	reg,area+EX_CTR(r13)
#define RESTORE_CTR(reg, area)	ld	reg,area+EX_CTR(r13) ; mtctr reg
#else
/* ...else CTR is unused and in register. */
#define SAVE_CTR(reg, area)
#define GET_CTR(reg, area) 	mfctr	reg
#define RESTORE_CTR(reg, area)
#endif

/*
 * PPR save/restore macros used in exceptions_64s.S  
 * Used for P7 or later processors
 */
#define SAVE_PPR(area, ra, rb)						\
BEGIN_FTR_SECTION_NESTED(940)						\
	ld	ra,PACACURRENT(r13);					\
	ld	rb,area+EX_PPR(r13);	/* Read PPR from paca */	\
	std	rb,TASKTHREADPPR(ra);					\
END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,940)

#define RESTORE_PPR_PACA(area, ra)					\
BEGIN_FTR_SECTION_NESTED(941)						\
	ld	ra,area+EX_PPR(r13);					\
	mtspr	SPRN_PPR,ra;						\
END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,941)

/*
 * Get an SPR into a register if the CPU has the given feature
 */
#define OPT_GET_SPR(ra, spr, ftr)					\
BEGIN_FTR_SECTION_NESTED(943)						\
	mfspr	ra,spr;							\
END_FTR_SECTION_NESTED(ftr,ftr,943)

/*
 * Set an SPR from a register if the CPU has the given feature
 */
#define OPT_SET_SPR(ra, spr, ftr)					\
BEGIN_FTR_SECTION_NESTED(943)						\
	mtspr	spr,ra;							\
END_FTR_SECTION_NESTED(ftr,ftr,943)

/*
 * Save a register to the PACA if the CPU has the given feature
 */
#define OPT_SAVE_REG_TO_PACA(offset, ra, ftr)				\
BEGIN_FTR_SECTION_NESTED(943)						\
	std	ra,offset(r13);						\
END_FTR_SECTION_NESTED(ftr,ftr,943)

#define EXCEPTION_PROLOG_0(area)					\
	GET_PACA(r13);							\
	std	r9,area+EX_R9(r13);	/* save r9 */			\
	OPT_GET_SPR(r9, SPRN_PPR, CPU_FTR_HAS_PPR);			\
	HMT_MEDIUM;							\
	std	r10,area+EX_R10(r13);	/* save r10 - r12 */		\
	OPT_GET_SPR(r10, SPRN_CFAR, CPU_FTR_CFAR)

#define __EXCEPTION_PROLOG_1(area, extra, vec)				\
	OPT_SAVE_REG_TO_PACA(area+EX_PPR, r9, CPU_FTR_HAS_PPR);		\
	OPT_SAVE_REG_TO_PACA(area+EX_CFAR, r10, CPU_FTR_CFAR);		\
	INTERRUPT_TO_KERNEL;						\
	SAVE_CTR(r10, area);						\
	mfcr	r9;							\
	extra(vec);							\
	std	r11,area+EX_R11(r13);					\
	std	r12,area+EX_R12(r13);					\
	GET_SCRATCH0(r10);						\
	std	r10,area+EX_R13(r13)
#define EXCEPTION_PROLOG_1(area, extra, vec)				\
	__EXCEPTION_PROLOG_1(area, extra, vec)

#define __EXCEPTION_PROLOG_PSERIES_1(label, h)				\
	ld	r10,PACAKMSR(r13);	/* get MSR value for kernel */	\
	mfspr	r11,SPRN_##h##SRR0;	/* save SRR0 */			\
	LOAD_HANDLER(r12,label)						\
	mtspr	SPRN_##h##SRR0,r12;					\
	mfspr	r12,SPRN_##h##SRR1;	/* and SRR1 */			\
	mtspr	SPRN_##h##SRR1,r10;					\
	h##RFI_TO_KERNEL;						\
	b	.	/* prevent speculative execution */
#define EXCEPTION_PROLOG_PSERIES_1(label, h)				\
	__EXCEPTION_PROLOG_PSERIES_1(label, h)

/* _NORI variant keeps MSR_RI clear */
#define __EXCEPTION_PROLOG_PSERIES_1_NORI(label, h)			\
	ld	r10,PACAKMSR(r13);	/* get MSR value for kernel */	\
	xori	r10,r10,MSR_RI;		/* Clear MSR_RI */		\
	mfspr	r11,SPRN_##h##SRR0;	/* save SRR0 */			\
	LOAD_HANDLER(r12,label)						\
	mtspr	SPRN_##h##SRR0,r12;					\
	mfspr	r12,SPRN_##h##SRR1;	/* and SRR1 */			\
	mtspr	SPRN_##h##SRR1,r10;					\
	h##RFI_TO_KERNEL;						\
	b	.	/* prevent speculative execution */

#define EXCEPTION_PROLOG_PSERIES_1_NORI(label, h)			\
	__EXCEPTION_PROLOG_PSERIES_1_NORI(label, h)

#define EXCEPTION_PROLOG_PSERIES(area, label, h, extra, vec)		\
	EXCEPTION_PROLOG_0(area);					\
	EXCEPTION_PROLOG_1(area, extra, vec);				\
	EXCEPTION_PROLOG_PSERIES_1(label, h);

#define __KVMTEST(h, n)							\
	lbz	r10,HSTATE_IN_GUEST(r13);				\
	cmpwi	r10,0;							\
	bne	do_kvm_##h##n

#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
/*
 * If hv is possible, interrupts come into to the hv version
 * of the kvmppc_interrupt code, which then jumps to the PR handler,
 * kvmppc_interrupt_pr, if the guest is a PR guest.
 */
#define kvmppc_interrupt kvmppc_interrupt_hv
#else
#define kvmppc_interrupt kvmppc_interrupt_pr
#endif

/*
 * Branch to label using its 0xC000 address. This results in instruction
 * address suitable for MSR[IR]=0 or 1, which allows relocation to be turned
 * on using mtmsr rather than rfid.
 *
 * This could set the 0xc bits for !RELOCATABLE as an immediate, rather than
 * load KBASE for a slight optimisation.
 */
#define BRANCH_TO_C000(reg, label)					\
	__LOAD_HANDLER(reg, label);					\
	mtctr	reg;							\
	bctr

#ifdef CONFIG_RELOCATABLE
#define BRANCH_TO_COMMON(reg, label)					\
	__LOAD_HANDLER(reg, label);					\
	mtctr	reg;							\
	bctr

#define BRANCH_LINK_TO_FAR(label)					\
	__LOAD_FAR_HANDLER(r12, label);					\
	mtctr	r12;							\
	bctrl

/*
 * KVM requires __LOAD_FAR_HANDLER.
 *
 * __BRANCH_TO_KVM_EXIT branches are also a special case because they
 * explicitly use r9 then reload it from PACA before branching. Hence
 * the double-underscore.
 */
#define __BRANCH_TO_KVM_EXIT(area, label)				\
	mfctr	r9;							\
	std	r9,HSTATE_SCRATCH1(r13);				\
	__LOAD_FAR_HANDLER(r9, label);					\
	mtctr	r9;							\
	ld	r9,area+EX_R9(r13);					\
	bctr

#else
#define BRANCH_TO_COMMON(reg, label)					\
	b	label

#define BRANCH_LINK_TO_FAR(label)					\
	bl	label

#define __BRANCH_TO_KVM_EXIT(area, label)				\
	ld	r9,area+EX_R9(r13);					\
	b	label

#endif

/* Do not enable RI */
#define EXCEPTION_PROLOG_PSERIES_NORI(area, label, h, extra, vec)	\
	EXCEPTION_PROLOG_0(area);					\
	EXCEPTION_PROLOG_1(area, extra, vec);				\
	EXCEPTION_PROLOG_PSERIES_1_NORI(label, h);

#define __KVM_HANDLER(area, h, n)					\
	BEGIN_FTR_SECTION_NESTED(947)					\
	ld	r10,area+EX_CFAR(r13);					\
	std	r10,HSTATE_CFAR(r13);					\
	END_FTR_SECTION_NESTED(CPU_FTR_CFAR,CPU_FTR_CFAR,947);		\
	BEGIN_FTR_SECTION_NESTED(948)					\
	ld	r10,area+EX_PPR(r13);					\
	std	r10,HSTATE_PPR(r13);					\
	END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948);	\
	ld	r10,area+EX_R10(r13);					\
	std	r12,HSTATE_SCRATCH0(r13);				\
	sldi	r12,r9,32;						\
	ori	r12,r12,(n);						\
	/* This reloads r9 before branching to kvmppc_interrupt */	\
	__BRANCH_TO_KVM_EXIT(area, kvmppc_interrupt)

#define __KVM_HANDLER_SKIP(area, h, n)					\
	cmpwi	r10,KVM_GUEST_MODE_SKIP;				\
	beq	89f;							\
	BEGIN_FTR_SECTION_NESTED(948)					\
	ld	r10,area+EX_PPR(r13);					\
	std	r10,HSTATE_PPR(r13);					\
	END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948);	\
	ld	r10,area+EX_R10(r13);					\
	std	r12,HSTATE_SCRATCH0(r13);				\
	sldi	r12,r9,32;						\
	ori	r12,r12,(n);						\
	/* This reloads r9 before branching to kvmppc_interrupt */	\
	__BRANCH_TO_KVM_EXIT(area, kvmppc_interrupt);			\
89:	mtocrf	0x80,r9;						\
	ld	r9,area+EX_R9(r13);					\
	ld	r10,area+EX_R10(r13);					\
	b	kvmppc_skip_##h##interrupt

#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
#define KVMTEST(h, n)			__KVMTEST(h, n)
#define KVM_HANDLER(area, h, n)		__KVM_HANDLER(area, h, n)
#define KVM_HANDLER_SKIP(area, h, n)	__KVM_HANDLER_SKIP(area, h, n)

#else
#define KVMTEST(h, n)
#define KVM_HANDLER(area, h, n)
#define KVM_HANDLER_SKIP(area, h, n)
#endif

#define NOTEST(n)

#define EXCEPTION_PROLOG_COMMON_1()					   \
	std	r9,_CCR(r1);		/* save CR in stackframe	*/ \
	std	r11,_NIP(r1);		/* save SRR0 in stackframe	*/ \
	std	r12,_MSR(r1);		/* save SRR1 in stackframe	*/ \
	std	r10,0(r1);		/* make stack chain pointer	*/ \
	std	r0,GPR0(r1);		/* save r0 in stackframe	*/ \
	std	r10,GPR1(r1);		/* save r1 in stackframe	*/ \

/*
 * The common exception prolog is used for all except a few exceptions
 * such as a segment miss on a kernel address.  We have to be prepared
 * to take another exception from the point where we first touch the
 * kernel stack onwards.
 *
 * On entry r13 points to the paca, r9-r13 are saved in the paca,
 * r9 contains the saved CR, r11 and r12 contain the saved SRR0 and
 * SRR1, and relocation is on.
 */
#define EXCEPTION_PROLOG_COMMON(n, area)				   \
	andi.	r10,r12,MSR_PR;		/* See if coming from user	*/ \
	mr	r10,r1;			/* Save r1			*/ \
	subi	r1,r1,INT_FRAME_SIZE;	/* alloc frame on kernel stack	*/ \
	beq-	1f;							   \
	ld	r1,PACAKSAVE(r13);	/* kernel stack to use		*/ \
1:	cmpdi	cr1,r1,-INT_FRAME_SIZE;	/* check if r1 is in userspace	*/ \
	blt+	cr1,3f;			/* abort if it is		*/ \
	li	r1,(n);			/* will be reloaded later	*/ \
	sth	r1,PACA_TRAP_SAVE(r13);					   \
	std	r3,area+EX_R3(r13);					   \
	addi	r3,r13,area;		/* r3 -> where regs are saved*/	   \
	RESTORE_CTR(r1, area);						   \
	b	bad_stack;						   \
3:	EXCEPTION_PROLOG_COMMON_1();					   \
	beq	4f;			/* if from kernel mode		*/ \
	ACCOUNT_CPU_USER_ENTRY(r13, r9, r10);				   \
	SAVE_PPR(area, r9, r10);					   \
4:	EXCEPTION_PROLOG_COMMON_2(area)					   \
	EXCEPTION_PROLOG_COMMON_3(n)					   \
	ACCOUNT_STOLEN_TIME

/* Save original regs values from save area to stack frame. */
#define EXCEPTION_PROLOG_COMMON_2(area)					   \
	ld	r9,area+EX_R9(r13);	/* move r9, r10 to stackframe	*/ \
	ld	r10,area+EX_R10(r13);					   \
	std	r9,GPR9(r1);						   \
	std	r10,GPR10(r1);						   \
	ld	r9,area+EX_R11(r13);	/* move r11 - r13 to stackframe	*/ \
	ld	r10,area+EX_R12(r13);					   \
	ld	r11,area+EX_R13(r13);					   \
	std	r9,GPR11(r1);						   \
	std	r10,GPR12(r1);						   \
	std	r11,GPR13(r1);						   \
	BEGIN_FTR_SECTION_NESTED(66);					   \
	ld	r10,area+EX_CFAR(r13);					   \
	std	r10,ORIG_GPR3(r1);					   \
	END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66);		   \
	GET_CTR(r10, area);						   \
	std	r10,_CTR(r1);

#define EXCEPTION_PROLOG_COMMON_3(n)					   \
	std	r2,GPR2(r1);		/* save r2 in stackframe	*/ \
	SAVE_4GPRS(3, r1);		/* save r3 - r6 in stackframe   */ \
	SAVE_2GPRS(7, r1);		/* save r7, r8 in stackframe	*/ \
	mflr	r9;			/* Get LR, later save to stack	*/ \
	ld	r2,PACATOC(r13);	/* get kernel TOC into r2	*/ \
	std	r9,_LINK(r1);						   \
	lbz	r10,PACASOFTIRQEN(r13);				   \
	mfspr	r11,SPRN_XER;		/* save XER in stackframe	*/ \
	std	r10,SOFTE(r1);						   \
	std	r11,_XER(r1);						   \
	li	r9,(n)+1;						   \
	std	r9,_TRAP(r1);		/* set trap number		*/ \
	li	r10,0;							   \
	ld	r11,exception_marker@toc(r2);				   \
	std	r10,RESULT(r1);		/* clear regs->result		*/ \
	std	r11,STACK_FRAME_OVERHEAD-16(r1); /* mark the frame	*/

/*
 * Exception vectors.
 */
#define STD_EXCEPTION_PSERIES(vec, label)			\
	SET_SCRATCH0(r13);		/* save r13 */		\
	EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label,		\
				 EXC_STD, KVMTEST_PR, vec);	\

/* Version of above for when we have to branch out-of-line */
#define __OOL_EXCEPTION(vec, label, hdlr)			\
	SET_SCRATCH0(r13)					\
	EXCEPTION_PROLOG_0(PACA_EXGEN)				\
	b hdlr;

#define STD_EXCEPTION_PSERIES_OOL(vec, label)			\
	EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST_PR, vec);	\
	EXCEPTION_PROLOG_PSERIES_1(label, EXC_STD)

#define STD_EXCEPTION_HV(loc, vec, label)			\
	SET_SCRATCH0(r13);	/* save r13 */			\
	EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label,		\
				 EXC_HV, KVMTEST_HV, vec);

#define STD_EXCEPTION_HV_OOL(vec, label)			\
	EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST_HV, vec);	\
	EXCEPTION_PROLOG_PSERIES_1(label, EXC_HV)

#define STD_RELON_EXCEPTION_PSERIES(loc, vec, label)	\
	/* No guest interrupts come through here */	\
	SET_SCRATCH0(r13);		/* save r13 */	\
	EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label, EXC_STD, NOTEST, vec);

#define STD_RELON_EXCEPTION_PSERIES_OOL(vec, label)		\
	EXCEPTION_PROLOG_1(PACA_EXGEN, NOTEST, vec);		\
	EXCEPTION_RELON_PROLOG_PSERIES_1(label, EXC_STD)

#define STD_RELON_EXCEPTION_HV(loc, vec, label)		\
	SET_SCRATCH0(r13);	/* save r13 */		\
	EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label,	\
				       EXC_HV, KVMTEST_HV, vec);

#define STD_RELON_EXCEPTION_HV_OOL(vec, label)			\
	EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST_HV, vec);	\
	EXCEPTION_RELON_PROLOG_PSERIES_1(label, EXC_HV)

/* This associate vector numbers with bits in paca->irq_happened */
#define SOFTEN_VALUE_0x500	PACA_IRQ_EE
#define SOFTEN_VALUE_0x900	PACA_IRQ_DEC
#define SOFTEN_VALUE_0x980	PACA_IRQ_DEC
#define SOFTEN_VALUE_0xa00	PACA_IRQ_DBELL
#define SOFTEN_VALUE_0xe80	PACA_IRQ_DBELL
#define SOFTEN_VALUE_0xe60	PACA_IRQ_HMI
#define SOFTEN_VALUE_0xea0	PACA_IRQ_EE

#define __SOFTEN_TEST(h, vec)						\
	lbz	r10,PACASOFTIRQEN(r13);					\
	cmpwi	r10,0;							\
	li	r10,SOFTEN_VALUE_##vec;					\
	beq	masked_##h##interrupt

#define _SOFTEN_TEST(h, vec)	__SOFTEN_TEST(h, vec)

#define SOFTEN_TEST_PR(vec)						\
	KVMTEST(EXC_STD, vec);						\
	_SOFTEN_TEST(EXC_STD, vec)

#define SOFTEN_TEST_HV(vec)						\
	KVMTEST(EXC_HV, vec);						\
	_SOFTEN_TEST(EXC_HV, vec)

#define KVMTEST_PR(vec)							\
	KVMTEST(EXC_STD, vec)

#define KVMTEST_HV(vec)							\
	KVMTEST(EXC_HV, vec)

#define SOFTEN_NOTEST_PR(vec)		_SOFTEN_TEST(EXC_STD, vec)
#define SOFTEN_NOTEST_HV(vec)		_SOFTEN_TEST(EXC_HV, vec)

#define __MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra)		\
	SET_SCRATCH0(r13);    /* save r13 */				\
	EXCEPTION_PROLOG_0(PACA_EXGEN);					\
	__EXCEPTION_PROLOG_1(PACA_EXGEN, extra, vec);			\
	EXCEPTION_PROLOG_PSERIES_1(label, h);

#define _MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra)		\
	__MASKABLE_EXCEPTION_PSERIES(vec, label, h, extra)

#define MASKABLE_EXCEPTION_PSERIES(loc, vec, label)			\
	_MASKABLE_EXCEPTION_PSERIES(vec, label,				\
				    EXC_STD, SOFTEN_TEST_PR)

#define MASKABLE_EXCEPTION_PSERIES_OOL(vec, label)			\
	EXCEPTION_PROLOG_1(PACA_EXGEN, SOFTEN_TEST_PR, vec);		\
	EXCEPTION_PROLOG_PSERIES_1(label, EXC_STD)

#define MASKABLE_EXCEPTION_HV(loc, vec, label)				\
	_MASKABLE_EXCEPTION_PSERIES(vec, label,				\
				    EXC_HV, SOFTEN_TEST_HV)

#define MASKABLE_EXCEPTION_HV_OOL(vec, label)				\
	EXCEPTION_PROLOG_1(PACA_EXGEN, SOFTEN_TEST_HV, vec);		\
	EXCEPTION_PROLOG_PSERIES_1(label, EXC_HV)

#define __MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra)	\
	SET_SCRATCH0(r13);    /* save r13 */				\
	EXCEPTION_PROLOG_0(PACA_EXGEN);					\
	__EXCEPTION_PROLOG_1(PACA_EXGEN, extra, vec);			\
	EXCEPTION_RELON_PROLOG_PSERIES_1(label, h)

#define _MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra)		\
	__MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra)

#define MASKABLE_RELON_EXCEPTION_PSERIES(loc, vec, label)		\
	_MASKABLE_RELON_EXCEPTION_PSERIES(vec, label,			\
					  EXC_STD, SOFTEN_NOTEST_PR)

#define MASKABLE_RELON_EXCEPTION_HV(loc, vec, label)			\
	_MASKABLE_RELON_EXCEPTION_PSERIES(vec, label,			\
					  EXC_HV, SOFTEN_TEST_HV)

#define MASKABLE_RELON_EXCEPTION_HV_OOL(vec, label)			\
	EXCEPTION_PROLOG_1(PACA_EXGEN, SOFTEN_TEST_HV, vec);		\
	EXCEPTION_RELON_PROLOG_PSERIES_1(label, EXC_HV)

#define MASKABLE_RELON_EXCEPTION_PSERIES_OOL(vec, label)               \
       EXCEPTION_PROLOG_1(PACA_EXGEN, SOFTEN_NOTEST_PR, vec);          \
       EXCEPTION_PROLOG_PSERIES_1(label, EXC_STD)

/*
 * Our exception common code can be passed various "additions"
 * to specify the behaviour of interrupts, whether to kick the
 * runlatch, etc...
 */

/*
 * This addition reconciles our actual IRQ state with the various software
 * flags that track it. This may call C code.
 */
#define ADD_RECONCILE	RECONCILE_IRQ_STATE(r10,r11)

#define ADD_NVGPRS				\
	bl	save_nvgprs

#define RUNLATCH_ON				\
BEGIN_FTR_SECTION				\
	CURRENT_THREAD_INFO(r3, r1);		\
	ld	r4,TI_LOCAL_FLAGS(r3);		\
	andi.	r0,r4,_TLF_RUNLATCH;		\
	beql	ppc64_runlatch_on_trampoline;	\
END_FTR_SECTION_IFSET(CPU_FTR_CTRL)

#define EXCEPTION_COMMON(area, trap, label, hdlr, ret, additions) \
	EXCEPTION_PROLOG_COMMON(trap, area);			\
	/* Volatile regs are potentially clobbered here */	\
	additions;						\
	addi	r3,r1,STACK_FRAME_OVERHEAD;			\
	bl	hdlr;						\
	b	ret

/*
 * Exception where stack is already set in r1, r1 is saved in r10, and it
 * continues rather than returns.
 */
#define EXCEPTION_COMMON_NORET_STACK(area, trap, label, hdlr, additions) \
	EXCEPTION_PROLOG_COMMON_1();				\
	EXCEPTION_PROLOG_COMMON_2(area);			\
	EXCEPTION_PROLOG_COMMON_3(trap);			\
	/* Volatile regs are potentially clobbered here */	\
	additions;						\
	addi	r3,r1,STACK_FRAME_OVERHEAD;			\
	bl	hdlr

#define STD_EXCEPTION_COMMON(trap, label, hdlr)			\
	EXCEPTION_COMMON(PACA_EXGEN, trap, label, hdlr,		\
		ret_from_except, ADD_NVGPRS;ADD_RECONCILE)

/*
 * Like STD_EXCEPTION_COMMON, but for exceptions that can occur
 * in the idle task and therefore need the special idle handling
 * (finish nap and runlatch)
 */
#define STD_EXCEPTION_COMMON_ASYNC(trap, label, hdlr)		\
	EXCEPTION_COMMON(PACA_EXGEN, trap, label, hdlr,		\
		ret_from_except_lite, FINISH_NAP;ADD_RECONCILE;RUNLATCH_ON)

/*
 * When the idle code in power4_idle puts the CPU into NAP mode,
 * it has to do so in a loop, and relies on the external interrupt
 * and decrementer interrupt entry code to get it out of the loop.
 * It sets the _TLF_NAPPING bit in current_thread_info()->local_flags
 * to signal that it is in the loop and needs help to get out.
 */
#ifdef CONFIG_PPC_970_NAP
#define FINISH_NAP				\
BEGIN_FTR_SECTION				\
	CURRENT_THREAD_INFO(r11, r1);		\
	ld	r9,TI_LOCAL_FLAGS(r11);		\
	andi.	r10,r9,_TLF_NAPPING;		\
	bnel	power4_fixup_nap;		\
END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
#else
#define FINISH_NAP
#endif

#endif	/* _ASM_POWERPC_EXCEPTION_H */