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linux/arch/arm/include/asm
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Dave Martin 80c59dafb1 ARM: virt: allow the kernel to be entered in HYP mode 
This patch does two things:

  * Ensure that asynchronous aborts are masked at kernel entry.
    The bootloader should be masking these anyway, but this reduces
    the damage window just in case it doesn't.

  * Enter svc mode via exception return to ensure that CPU state is
    properly serialised.  This does not matter when switching from
    an ordinary privileged mode ("PL1" modes in ARMv7-AR rev C
    parlance), but it potentially does matter when switching from a
    another privileged mode such as hyp mode.

This should allow the kernel to boot safely either from svc mode or
hyp mode, even if no support for use of the ARM Virtualization
Extensions is built into the kernel.

Signed-off-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
 		2012-09-19 08:32:50 +01:00
..
hardware Viresh has moved 2012-06-20 14:39:36 -07:00
mach ARM: fiq: change FIQ_START to a variable 2012-07-01 21:59:19 +08:00
Kbuild ARM: 7006/1: Migrate to asm-generic wrapper support 2011-10-17 09:12:40 +01:00
a.out-core.h ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump 2011-03-10 15:16:29 +00:00
a.out.h
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arch_timer.h ARM: 7451/1: arch timer: implement read_current_timer and get_cycles 2012-07-09 17:42:23 +01:00
asm-offsets.h kbuild: move asm-offsets.h to include/generated 2009-12-12 13:08:14 +01:00
assembler.h ARM: virt: allow the kernel to be entered in HYP mode 2012-09-19 08:32:50 +01:00
atomic.h ARM: fix warnings about atomic64_read 2012-07-05 13:06:32 +01:00
barrier.h ARM: OMAP2+: Fix omap2+ build error 2012-04-03 10:59:10 -07:00
bitops.h Disintegrate asm/system.h for ARM 2012-03-28 18:30:01 +01:00
bug.h Disintegrate asm/system.h for ARM 2012-03-28 18:30:01 +01:00
bugs.h
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byteorder.h
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cache.h ARM: implement support for read-mostly sections 2010-12-05 08:39:36 +00:00
cacheflush.h ARM: 7479/1: mm: avoid NULL dereference when flushing gate_vma with VIVT caches 2012-07-31 12:04:47 +01:00
cachetype.h ARM: 7062/1: cache: detect PIPT I-cache using CTR 2011-10-17 09:13:41 +01:00
checksum.h
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clkdev.h ARM: Consolidate the clkdev header files 2011-07-19 18:09:45 +02:00
cmpxchg.h ARM: 7404/1: cmpxchg64: use atomic64 and local64 routines for cmpxchg64 2012-04-28 17:32:44 +01:00
compiler.h Disintegrate asm/system.h for ARM 2012-03-28 18:30:01 +01:00
cp15.h Disintegrate asm/system.h for ARM 2012-03-28 18:30:01 +01:00
cpu.h arm: Use generic idle thread allocation 2012-04-26 12:06:11 +02:00
cpuidle.h cpuidle: Add common time keeping and irq enabling 2012-03-21 01:59:40 -04:00
cputype.h ARM: 7011/1: Add ARM cpu topology definition 2011-10-17 09:02:43 +01:00
cti.h arm: introduce cross trigger interface helpers 2011-12-02 15:16:33 +00:00
current.h
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delay.h ARM: 7452/1: delay: allow timer-based delay implementation to be selected 2012-07-09 17:42:23 +01:00
device.h ARM: dma-mapping: add support for IOMMU mapper 2012-05-21 15:06:23 +02:00
div64.h Disintegrate asm/system.h for ARM 2012-03-28 18:30:01 +01:00
dma-contiguous.h ARM: integrate CMA with DMA-mapping subsystem 2012-05-21 15:09:38 +02:00
dma-iommu.h ARM: dma-mapping: add support for IOMMU mapper 2012-05-21 15:06:23 +02:00
dma-mapping.h ARM: DMA-Mapping: add function for setting coherent pool size from platform code 2012-08-28 21:01:02 +02:00
dma.h Disintegrate asm/system.h for ARM 2012-03-28 18:30:01 +01:00
domain.h ARM: fix set_domain() macro 2012-07-05 09:50:55 +01:00
ecard.h ARM: io: ecard: move ioaddr() inside __ecard_address 2011-08-17 08:44:16 +01:00
edac.h ARM: 7201/1: add EDAC atomic_scrub function 2011-12-11 08:35:50 +00:00
elf.h ARM: 7294/1: vectors: use gate_vma for vectors user mapping 2012-03-24 09:38:51 +00:00
entry-macro-multi.S ARM: gic: consolidate PPI handling 2011-10-23 13:32:29 +01:00
exception.h ARM: 7115/4: move __exception and friends to asm/exception.h 2011-10-17 09:02:44 +01:00
exec.h Disintegrate asm/system.h for ARM 2012-03-28 18:30:01 +01:00
fb.h
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fcntl.h
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fiq.h ARM: 6940/1: fiq: Briefly document driver responsibilities for suspend/resume 2011-05-26 10:31:06 +01:00
fixmap.h
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flat.h
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floppy.h
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fncpy.h ARM: 6640/1: Thumb-2: Symbol manipulation macros for function body copying 2011-01-27 11:48:58 +00:00
fpstate.h Fix common misspellings 2011-03-31 11:26:23 -03:00
ftrace.h ARM: 6319/1: ftrace: add Thumb-2 support to dynamic ftrace 2010-09-02 15:28:43 +01:00
futex.h ARM: 7425/1: extable: ensure fixup entries are 4-byte aligned 2012-06-16 16:30:25 +01:00
glue-cache.h Fix common misspellings 2011-03-31 11:26:23 -03:00
glue-df.h ARM: Remove support for ARMv3 ARM610 and ARM710 CPUs 2012-05-05 05:50:50 +01:00
glue-pf.h ARM: move cache/processor/fault glue to separate include files 2011-02-12 11:52:21 +00:00
glue-proc.h ARM: Remove support for ARMv3 ARM610 and ARM710 CPUs 2012-05-05 05:50:50 +01:00
glue.h Fix common misspellings 2011-03-31 11:26:23 -03:00
gpio.h ARM: 7271/1: Fix typo in conversion of ARCH_NR_GPIOS to Kconfig 2012-01-08 09:27:19 +00:00
hardirq.h ARM: 7140/1: remove NR_IRQS dependency for ARM-specific HARDIRQ_BITS definition 2011-12-06 11:14:01 +00:00
highmem.h highmem: kill all __kmap_atomic() 2012-03-20 21:48:30 +08:00
hw_breakpoint.h ARM: hw_breakpoint: add support for multiple watchpoints 2011-08-31 10:42:48 +01:00
hw_irq.h arm: dove: Use proper irq accessor functions 2011-03-29 14:47:57 +02:00
hwcap.h UAPI: Split trivial #if defined(__KERNEL__) && X conditionals 2011-12-13 15:07:49 +00:00
ide.h
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idmap.h ARM: SMP: use idmap_pgd for mapping MMU enable during secondary booting 2011-12-06 14:04:15 +00:00
io.h ARM: fix out[bwl]() 2012-05-25 08:39:25 +01:00
ioctls.h ioctl: Use asm-generic/ioctls.h on arm (enables termiox) 2010-10-22 10:19:59 -07:00
ipcbuf.h consolidate a bunch of ipcbuf.h instances 2012-01-03 22:55:18 -05:00
irq.h ARM: only include mach/irqs.h for !SPARSE_IRQ 2012-01-30 13:24:37 -06:00
irqflags.h Fix IRQ flag handling naming 2010-10-07 14:08:55 +01:00
jump_label.h ARM: 7386/1: jump_label: fixup for rename to static_key 2012-04-15 22:00:31 +01:00
kexec.h [ARM] add machine-specific hook to machine_kexec 2011-03-03 16:26:55 -05:00
kgdb.h kgdb,arm: fix register dump 2010-10-29 13:14:40 -05:00
kmap_types.h arm: remove km_type definitions 2012-07-24 15:27:28 +08:00
kprobes.h Kernel: Audit Support For The ARM Platform 2012-01-17 16:17:01 -05:00
kvm_para.h kvmclock: Add functions to check if the host has stopped the vm 2012-04-08 12:48:59 +03:00
leds.h
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limits.h
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linkage.h
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localtimer.h ARM: local timers: make the runtime registration interface mandatory 2012-03-13 13:45:55 +00:00
mach-types.h arm: move mach-types to include/generated 2009-12-12 13:08:14 +01:00
mc146818rtc.h ARM: mc146818rtc: remove unnecessary include of mach/irqs.h 2012-01-25 20:37:45 -06:00
memblock.h ARM: Add arm_memblock_steal() to allocate memory away from the kernel 2012-01-13 15:02:35 +00:00
memory.h ARM: 7432/1: use the new linux/sizes.h 2012-06-28 17:14:35 +01:00
mman.h arm: add arch_mmap_check(), get rid of sys_arm_mremap() 2009-12-11 06:34:09 -05:00
mmu.h ARM: Remove __ARCH_WANT_INTERRUPTS_ON_CTXSW on pre-ARMv6 CPUs 2012-04-17 15:29:44 +01:00
mmu_context.h ARM: Remove __ARCH_WANT_INTERRUPTS_ON_CTXSW on pre-ARMv6 CPUs 2012-04-17 15:29:44 +01:00
module.h ARM: 7013/1: P2V: Remove ARM_PATCH_PHYS_VIRT_16BIT 2011-08-13 11:26:40 +01:00
msgbuf.h
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mtd-xip.h
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mutex.h ARM: 7467/1: mutex: use generic xchg-based implementation for ARMv6+ 2012-07-31 10:30:41 +01:00
nwflash.h
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opcodes-virt.h ARM: opcodes: add __ERET/__MSR_ELR_HYP instruction encoding 2012-09-19 08:32:49 +01:00
opcodes.h ARM: 7511/1: opcodes: Opcode definitions for the Virtualization Extensions 2012-09-15 21:26:00 +01:00
outercache.h ARM: 7114/1: cache-l2x0: add resume entry for l2 in secure mode 2011-10-17 09:11:51 +01:00
page-nommu.h nommu: Remove the memory_start/end variables from ARM page-nommu.h 2009-07-24 12:35:01 +01:00
page.h ARM: Remove support for ARMv3 ARM610 and ARM710 CPUs 2012-05-05 05:50:50 +01:00
param.h
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parport.h
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pci.h PCI: collapse pcibios_resource_to_bus 2012-02-23 20:19:04 -07:00
perf_event.h ARM: 7448/1: perf: remove arm_perf_pmu_ids global enumeration 2012-07-09 17:41:10 +01:00
pgalloc.h ARM: LPAE: Page table maintenance for the 3-level format 2011-12-08 10:30:39 +00:00
pgtable-2level-hwdef.h ARM: 7077/1: LPAE: Use a mask for physical addresses in page table entries 2011-10-06 15:40:06 +01:00
pgtable-2level-types.h ARM: 7076/1: LPAE: Add (pte|pmd)val_t type definitions as u32 2011-10-06 15:40:05 +01:00
pgtable-2level.h ARM: LPAE: Move page table maintenance macros to pgtable-2level.h 2011-12-08 10:30:37 +00:00
pgtable-3level-hwdef.h ARM: LPAE: Introduce the 3-level page table format definitions 2011-12-08 10:30:39 +00:00
pgtable-3level-types.h ARM: LPAE: Introduce the 3-level page table format definitions 2011-12-08 10:30:39 +00:00
pgtable-3level.h ARM: 7416/1: LPAE: Remove unused L_PTE_(BUFFERABLE|CACHEABLE) macros 2012-05-12 14:38:21 +01:00
pgtable-hwdef.h ARM: LPAE: Introduce the 3-level page table format definitions 2011-12-08 10:30:39 +00:00
pgtable-nommu.h Remove remaining bits of io_remap_page_range() 2012-03-23 16:58:31 -07:00
pgtable.h ARM: 7488/1: mm: use 5 bits for swapfile type encoding 2012-08-11 09:15:59 +01:00
pmu.h ARM: 7448/1: perf: remove arm_perf_pmu_ids global enumeration 2012-07-09 17:41:10 +01:00
posix_types.h bury __kernel_nlink_t, make internal nlink_t consistent 2012-05-30 21:04:50 -04:00
proc-fns.h ARM: LPAE: Page table maintenance for the 3-level format 2011-12-08 10:30:39 +00:00
processor.h Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-05-23 10:59:07 -07:00
procinfo.h
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prom.h ARM: get rid of asm/irq.h in asm/prom.h 2012-03-24 09:38:54 +00:00
ptrace.h ARM: virt: allow the kernel to be entered in HYP mode 2012-09-19 08:32:50 +01:00
scatterlist.h ARM: Allow SoCs to enable scatterlist chaining 2011-06-02 11:16:22 +01:00
sched_clock.h ARM: 7486/1: sched_clock: update epoch_cyc on resume 2012-08-11 09:15:58 +01:00
seccomp.h ARM: SECCOMP support 2010-10-01 22:32:18 -04:00
segment.h
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sembuf.h
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serial.h
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setup.h ARM: 7465/1: Handle >4GB memory sizes in device tree and mem=size@start option 2012-07-29 22:19:14 +01:00
shmbuf.h
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shmparam.h
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sigcontext.h
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signal.h
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smp.h ARM: 7293/1: logical_cpu_map: decouple CPU mapping from SMP 2012-01-23 10:20:05 +00:00
smp_plat.h ARM: 7293/1: logical_cpu_map: decouple CPU mapping from SMP 2012-01-23 10:20:05 +00:00
smp_scu.h ARM: pm: add function to set WFI low-power mode for SMP CPUs 2011-02-11 12:29:18 +00:00
smp_twd.h ARM: smp_twd: remove old local timer interface 2012-03-13 13:45:54 +00:00
socket.h net: Add framework to allow sending packets with customized CRC. 2012-02-24 01:37:35 -08:00
sockios.h
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sparsemem.h
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spinlock.h ARM: 7447/1: rwlocks: remove unused branch labels from trylock routines 2012-07-09 17:41:10 +01:00
spinlock_types.h ARM: 7446/1: spinlock: use ticket algorithm for ARMv6+ locking implementation 2012-07-09 17:41:10 +01:00
stackprotector.h ARM: initial stack protector (-fstack-protector) support 2010-06-14 21:31:00 -04:00
stacktrace.h
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stat.h
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statfs.h
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string.h
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suspend.h ARM: pm: preallocate a page table for suspend/resume 2011-09-20 23:33:36 +01:00
swab.h Merge branch 'for-next' of git://git.infradead.org/users/dhowells/linux-headers 2012-01-14 18:03:30 -08:00
switch_to.h Disintegrate asm/system.h for ARM 2012-03-28 18:30:01 +01:00
syscall.h ARM: 7373/1: add support for the generic syscall.h interface 2012-04-25 19:49:27 +01:00
system.h Disintegrate asm/system.h for ARM 2012-03-28 18:30:01 +01:00
system_info.h Disintegrate asm/system.h for ARM 2012-03-28 18:30:01 +01:00
system_misc.h Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
tcm.h ARM: 6985/1: export functions to determine the presence of I/DTCM 2011-07-06 20:49:45 +01:00
termbits.h tty: Add EXTPROC support for LINEMODE 2010-08-10 13:47:39 -07:00
termios.h
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therm.h
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thread_info.h ARM: 7443/1: Revert "new way of handling ERESTART_RESTARTBLOCK" 2012-07-05 09:50:56 +01:00
thread_notify.h ARM: 6867/1: Introduce THREAD_NOTIFY_COPY for copy_thread() hooks 2011-04-10 21:13:36 +01:00
timex.h ARM: 7451/1: arch timer: implement read_current_timer and get_cycles 2012-07-09 17:42:23 +01:00
tlb.h ARM: 7302/1: Add TLB flushing for both entries in a PMD 2012-02-02 17:37:42 +00:00
tlbflush.h ARM: Remove support for ARMv3 ARM610 and ARM710 CPUs 2012-05-05 05:50:50 +01:00
tls.h ARM: 7403/1: tls: remove covert channel via TPIDRURW 2012-04-28 11:01:30 +01:00
topology.h ARM: 7182/1: ARM cpu topology: fix warning 2011-11-30 23:55:21 +00:00
traps.h ARM: earlier initialization of vectors page 2012-01-23 10:24:11 +00:00
types.h consolidate umode_t declarations 2012-01-03 22:55:17 -05:00
uaccess.h ARM: 7449/1: use generic strnlen_user and strncpy_from_user functions 2012-07-09 17:41:11 +01:00
ucontext.h Fix common misspellings 2011-03-31 11:26:23 -03:00
unaligned.h
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unified.h ARM: make BSYM macro assembly only 2012-01-16 08:56:25 -06:00
unistd.h ipc: use Kconfig options for __ARCH_WANT_[COMPAT_]IPC_PARSE_VERSION 2012-07-30 17:25:21 -07:00
unwind.h ARM: 7187/1: fix unwinding for XIP kernels 2011-12-06 11:16:13 +00:00
user.h ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump 2011-03-10 15:16:29 +00:00
vfp.h
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vfpmacros.h ARM: 6203/1: Make VFPv3 usable on ARMv6 2010-07-09 14:41:34 +01:00
vga.h ARM: set vga memory base at run-time 2011-07-12 11:19:29 -05:00
virt.h ARM: virt: allow the kernel to be entered in HYP mode 2012-09-19 08:32:50 +01:00
word-at-a-time.h ARM: 7450/1: dcache: select DCACHE_WORD_ACCESS for little-endian ARMv6+ CPUs 2012-07-09 17:41:11 +01:00
xor.h
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