OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/09/2024 07:14:13 AM	rwxr-xr-x
📄 Kbuild	577 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 abi.h	853 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 addrspace.h	4.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 amon.h	409 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 arch_hweight.h	792 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-eva.h	6.82 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	197 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm.h	8.47 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 asmmacro-32.h	2.47 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 asmmacro-64.h	1.22 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 asmmacro.h	14.07 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 atomic.h	19.73 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 barrier.h	8.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bcache.h	2.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bitops.h	15.46 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bitrev.h	608 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bmips-spaces.h	268 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bmips.h	3.45 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 bootinfo.h	5.08 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 branch.h	2.35 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 break.h	787 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bug.h	759 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bugs.h	944 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cache.h	546 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cacheflush.h	4.99 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cacheops.h	3.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cdmm.h	3.67 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cevt-r4k.h	823 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 checksum.h	6.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 clock.h	997 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 clocksource.h	884 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cmp.h	492 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cmpxchg.h	5.28 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 compat-signal.h	640 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 compat.h	6.66 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 compiler.h	2.96 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cop2.h	1.77 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpu-features.h	19.46 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpu-info.h	5.84 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpu-type.h	4.13 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpu.h	15.54 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpufeature.h	717 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 debug.h	654 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📁 dec	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 delay.h	841 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 device.h	347 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 div64.h	2.17 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 dma-coherence.h	813 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-mapping.h	981 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma.h	9.92 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ds1287.h	1019 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dsemul.h	3.24 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dsp.h	1.91 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 edac.h	819 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 elf.h	15.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 emma	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 errno.h	429 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 eva.h	796 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 exec.h	579 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 extable.h	241 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fb.h	372 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fixmap.h	2.29 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 floppy.h	1.57 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fpregdef.h	2.66 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fpu.h	5.21 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fpu_emulator.h	5.74 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ftrace.h	2.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 futex.h	4.87 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 fw	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 gio_device.h	1.5 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 gt64120.h	19.37 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hardirq.h	544 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 hazards.h	8.36 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 highmem.h	1.72 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hpet.h	1.93 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hugetlb.h	2.76 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 hw_irq.h	475 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 i8259.h	2.52 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ide.h	330 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 idle.h	689 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 inst.h	2.34 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 io.h	18.44 KB	06/16/2023 05:32:39 PM	rw-r--r--
📁 ip32	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 irq.h	2.26 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq_cpu.h	708 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq_gt641xx.h	2.69 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq_regs.h	744 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irqflags.h	4.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 isa-rev.h	556 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 isadep.h	603 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 jazz.h	8 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 jazzdma.h	2.97 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 jump_label.h	1.4 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kdebug.h	303 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 kexec.h	1.53 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kgdb.h	1.19 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kmap_types.h	221 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 kprobes.h	2.68 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_host.h	37.88 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_para.h	2.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 lasat	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 linkage.h	306 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 llsc.h	623 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 local.h	4.99 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 m48t37.h	732 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 maar.h	4.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 mach-ar7	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ath25	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ath79	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-au1x00	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-bcm47xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-bcm63xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-bmips	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-cavium-octeon	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-cobalt	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-db1x00	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-dec	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-emma2rh	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-generic	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ip22	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ip27	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ip28	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ip32	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-jazz	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-jz4740	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-lantiq	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-lasat	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-loongson32	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-loongson64	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-malta	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-netlogic	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-paravirt	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-pic32	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-pistachio	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-pmcs-msp71xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-pnx833x	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-ralink	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-rc32434	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-rm	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-sibyte	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-tx39xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-tx49xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-vr41xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📁 mach-xilfpga	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 machine.h	2.93 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mc146818-time.h	3.69 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mc146818rtc.h	450 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📁 mips-boards	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 mips-cm.h	15.86 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mips-cpc.h	5.83 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mips-cps.h	6.55 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mips-gic.h	12.3 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mips-r2-to-r6-emul.h	2.05 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mips_machine.h	1.32 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mips_mt.h	707 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mipsmtregs.h	10.9 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mipsprom.h	2.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mipsregs.h	88.1 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmu.h	550 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmu_context.h	5.41 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmzone.h	561 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 module.h	4.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 msa.h	8.01 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 msc01_ic.h	6.55 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 netlogic	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 nile4.h	10.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 octeon	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 paccess.h	3.07 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 page.h	7.19 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 pci	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 pci.h	4.08 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 perf_event.h	482 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgalloc.h	3.21 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-32.h	7.31 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 pgtable-64.h	10.87 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 pgtable-bits.h	7.36 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable.h	17.34 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pm-cps.h	1.68 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pm.h	3.99 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pmon.h	1.64 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 prefetch.h	2.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 processor.h	11.71 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 prom.h	845 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 ptrace.h	5.55 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 r4k-timer.h	604 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 r4kcache.h	26.34 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 reboot.h	440 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 reg.h	26 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 regdef.h	2.63 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 rtlx.h	2.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 seccomp.h	800 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 serial.h	607 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 setup.h	884 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📁 sgi	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 sgialib.h	2.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sgiarcs.h	15.32 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 shmparam.h	352 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📁 sibyte	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 sigcontext.h	1.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 signal.h	1.02 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sim.h	2.32 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp-cps.h	1.18 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp-ops.h	2.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp.h	3.31 KB	06/16/2023 05:32:39 PM	rw-r--r--
📁 sn	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 sni.h	7.27 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 socket.h	1.34 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sparsemem.h	486 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock.h	459 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock_types.h	188 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spram.h	262 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 stackframe.h	10.82 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stackprotector.h	1.15 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stacktrace.h	2.15 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 string.h	2.94 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 switch_to.h	4.19 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscall.h	3.57 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 termios.h	2.89 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 thread_info.h	6.63 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 time.h	2.13 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 timex.h	2.87 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 tlb.h	1.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlbdebug.h	403 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlbex.h	788 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlbflush.h	1.67 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlbmisc.h	320 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 topology.h	619 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 traps.h	1.25 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 txx9	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 txx9irq.h	743 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 txx9pio.h	592 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 txx9tmr.h	1.59 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 types.h	487 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 uaccess.h	22.2 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 uasm.h	9.18 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 unistd.h	1.9 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 uprobes.h	1.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 vdso.h	3.72 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 vga.h	1.26 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 vpe.h	2.7 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 vr41xx	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 war.h	7.48 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 watch.h	827 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 wbflush.h	694 bytes	01/28/2018 09:20:33 PM	rw-r--r--
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Editing: fpu.h

/*
 * Copyright (C) 2002 MontaVista Software Inc.
 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
 *
 * 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.
 */
#ifndef _ASM_FPU_H
#define _ASM_FPU_H

#include <linux/sched.h>
#include <linux/sched/task_stack.h>
#include <linux/ptrace.h>
#include <linux/thread_info.h>
#include <linux/bitops.h>

#include <asm/mipsregs.h>
#include <asm/cpu.h>
#include <asm/cpu-features.h>
#include <asm/fpu_emulator.h>
#include <asm/hazards.h>
#include <asm/ptrace.h>
#include <asm/processor.h>
#include <asm/current.h>
#include <asm/msa.h>

#ifdef CONFIG_MIPS_MT_FPAFF
#include <asm/mips_mt.h>
#endif

struct sigcontext;
struct sigcontext32;

extern void _init_fpu(unsigned int);
extern void _save_fp(struct task_struct *);
extern void _restore_fp(struct task_struct *);

/*
 * This enum specifies a mode in which we want the FPU to operate, for cores
 * which implement the Status.FR bit. Note that the bottom bit of the value
 * purposefully matches the desired value of the Status.FR bit.
 */
enum fpu_mode {
	FPU_32BIT = 0,		/* FR = 0 */
	FPU_64BIT,		/* FR = 1, FRE = 0 */
	FPU_AS_IS,
	FPU_HYBRID,		/* FR = 1, FRE = 1 */

#define FPU_FR_MASK		0x1
};

#define __disable_fpu()							\
do {									\
	clear_c0_status(ST0_CU1);					\
	disable_fpu_hazard();						\
} while (0)

static inline int __enable_fpu(enum fpu_mode mode)
{
	int fr;

switch (mode) {
	case FPU_AS_IS:
		/* just enable the FPU in its current mode */
		set_c0_status(ST0_CU1);
		enable_fpu_hazard();
		return 0;

case FPU_HYBRID:
		if (!cpu_has_fre)
			return SIGFPE;

/* set FRE */
		set_c0_config5(MIPS_CONF5_FRE);
		goto fr_common;

case FPU_64BIT:
#if !(defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) \
      || defined(CONFIG_64BIT))
		/* we only have a 32-bit FPU */
		return SIGFPE;
#endif
		/* fall through */
	case FPU_32BIT:
		if (cpu_has_fre) {
			/* clear FRE */
			clear_c0_config5(MIPS_CONF5_FRE);
		}
fr_common:
		/* set CU1 & change FR appropriately */
		fr = (int)mode & FPU_FR_MASK;
		change_c0_status(ST0_CU1 | ST0_FR, ST0_CU1 | (fr ? ST0_FR : 0));
		enable_fpu_hazard();

/* check FR has the desired value */
		if (!!(read_c0_status() & ST0_FR) == !!fr)
			return 0;

/* unsupported FR value */
		__disable_fpu();
		return SIGFPE;

default:
		BUG();
	}

return SIGFPE;
}

#define clear_fpu_owner()	clear_thread_flag(TIF_USEDFPU)

static inline int __is_fpu_owner(void)
{
	return test_thread_flag(TIF_USEDFPU);
}

static inline int is_fpu_owner(void)
{
	return cpu_has_fpu && __is_fpu_owner();
}

static inline int __own_fpu(void)
{
	enum fpu_mode mode;
	int ret;

if (test_thread_flag(TIF_HYBRID_FPREGS))
		mode = FPU_HYBRID;
	else
		mode = !test_thread_flag(TIF_32BIT_FPREGS);

ret = __enable_fpu(mode);
	if (ret)
		return ret;

KSTK_STATUS(current) |= ST0_CU1;
	if (mode == FPU_64BIT || mode == FPU_HYBRID)
		KSTK_STATUS(current) |= ST0_FR;
	else /* mode == FPU_32BIT */
		KSTK_STATUS(current) &= ~ST0_FR;

set_thread_flag(TIF_USEDFPU);
	return 0;
}

static inline int own_fpu_inatomic(int restore)
{
	int ret = 0;

if (cpu_has_fpu && !__is_fpu_owner()) {
		ret = __own_fpu();
		if (restore && !ret)
			_restore_fp(current);
	}
	return ret;
}

static inline int own_fpu(int restore)
{
	int ret;

preempt_disable();
	ret = own_fpu_inatomic(restore);
	preempt_enable();
	return ret;
}

static inline void lose_fpu_inatomic(int save, struct task_struct *tsk)
{
	if (is_msa_enabled()) {
		if (save) {
			save_msa(tsk);
			tsk->thread.fpu.fcr31 =
					read_32bit_cp1_register(CP1_STATUS);
		}
		disable_msa();
		clear_tsk_thread_flag(tsk, TIF_USEDMSA);
		__disable_fpu();
	} else if (is_fpu_owner()) {
		if (save)
			_save_fp(tsk);
		__disable_fpu();
	} else {
		/* FPU should not have been left enabled with no owner */
		WARN(read_c0_status() & ST0_CU1,
		     "Orphaned FPU left enabled");
	}
	KSTK_STATUS(tsk) &= ~ST0_CU1;
	clear_tsk_thread_flag(tsk, TIF_USEDFPU);
}

static inline void lose_fpu(int save)
{
	preempt_disable();
	lose_fpu_inatomic(save, current);
	preempt_enable();
}

static inline int init_fpu(void)
{
	unsigned int fcr31 = current->thread.fpu.fcr31;
	int ret = 0;

if (cpu_has_fpu) {
		unsigned int config5;

ret = __own_fpu();
		if (ret)
			return ret;

if (!cpu_has_fre) {
			_init_fpu(fcr31);

return 0;
		}

/*
		 * Ensure FRE is clear whilst running _init_fpu, since
		 * single precision FP instructions are used. If FRE
		 * was set then we'll just end up initialising all 32
		 * 64b registers.
		 */
		config5 = clear_c0_config5(MIPS_CONF5_FRE);
		enable_fpu_hazard();

_init_fpu(fcr31);

/* Restore FRE */
		write_c0_config5(config5);
		enable_fpu_hazard();
	} else
		fpu_emulator_init_fpu();

return ret;
}

static inline void save_fp(struct task_struct *tsk)
{
	if (cpu_has_fpu)
		_save_fp(tsk);
}

static inline void restore_fp(struct task_struct *tsk)
{
	if (cpu_has_fpu)
		_restore_fp(tsk);
}

static inline union fpureg *get_fpu_regs(struct task_struct *tsk)
{
	if (tsk == current) {
		preempt_disable();
		if (is_fpu_owner())
			_save_fp(current);
		preempt_enable();
	}

return tsk->thread.fpu.fpr;
}

#endif /* _ASM_FPU_H */