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Dietmar Eggemann 9a6eb310ea ARM: hw_breakpoint: Debug powerdown support for self-hosted debug 
This patch introduces debug powerdown support for self-hosted debug for v7
and v7.1 debug architecture for a SinglePower system, i.e. a system without a
separate core and debug power domain. On a SinglePower system the OS Lock is
lost over a powerdown.

If CONFIG_CPU_PM is set the new function pm_init() registers hw_breakpoint
with CPU PM for a system supporting OS Save and Restore.

Receiving a CPU PM EXIT notifier indicates that a single CPU has exited a low
power state. A call to reset_ctrl_regs() is hooked into the CPU PM EXIT
notifier chain. This function makes sure that the sticky power-down is clear
(only v7 debug), the OS Double Lock is clear (only v7.1 debug) and it clears
the OS Lock for v7 debug (for a system supporting OS Save and Restore) and
v7.1 debug. Furthermore, it clears any vector-catch events and all
breakpoint/watchpoint control/value registers for v7 and v7.1 debug.

Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
[will: removed redundant has_ossr check]
Signed-off-by: Will Deacon <will.deacon@arm.com>
2013-01-10 21:13:07 +00:00
..
.gitignore
…
arch_timer.c
ARM: 7538/1: delay: add registration mechanism for delay timer sources
2012-09-26 22:57:52 +01:00
armksyms.c
Merge branches 'audit', 'delay', 'fixes', 'misc' and 'sta2x11' into for-linus
2012-07-27 23:06:32 +01:00
arthur.c
…
asm-offsets.c
ARM: Don't unconditionally bloat thread_info
2012-08-29 11:18:17 +01:00
atags_compat.c
ARM: 7505/1: split out ATAGS parsing
2012-09-03 22:55:56 +01:00
atags_parse.c
ARM: 7505/1: split out ATAGS parsing
2012-09-03 22:55:56 +01:00
atags_proc.c
ARM: 7505/1: split out ATAGS parsing
2012-09-03 22:55:56 +01:00
atags.h
ARM: 7506/1: allow for ATAGS to be configured out when DT support is selected
2012-09-03 22:56:15 +01:00
bios32.c
ARM: drivers: remove __dev* attributes.
2013-01-03 15:57:04 -08:00
calls.S
Nothing all that exciting; a new module-from-fd syscall for those who want
2012-12-19 07:55:08 -08:00
cpuidle.c
cpuidle: Add common time keeping and irq enabling
2012-03-21 01:59:40 -04:00
crash_dump.c
crash_dump: export is_kdump_kernel to modules, consolidate elfcorehdr_addr, setup_elfcorehdr and saved_max_pfn
2011-03-23 19:47:19 -07:00
debug.S
ARM: implement debug_ll_io_init()
2012-11-05 09:35:59 -08:00
devtree.c
ARM: 7585/1: kernel: fix nr_cpu_ids check in DT logical map init
2012-11-23 13:01:31 +00:00
dma-isa.c
…
dma.c
locking, ARM: Annotate low level hw locks as raw
2011-09-13 11:12:14 +02:00
early_printk.c
…
elf.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
entry-armv.S
ARM: Fix undefined instruction exception handling
2012-07-31 12:04:30 +01:00
entry-common.S
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal
2012-12-12 12:22:13 -08:00
entry-header.S
Merge branch 'devel-stable' into for-next
2011-07-22 23:09:07 +01:00
etm.c
ARM: drivers: remove __dev* attributes.
2013-01-03 15:57:04 -08:00
fiq.c
ARM: fiq: change FIQ_START to a variable
2012-07-01 21:59:19 +08:00
fiqasm.S
ARM: 6938/1: fiq: Refactor {get,set}_fiq_regs() for Thumb-2
2011-05-26 10:31:06 +01:00
ftrace.c
ARM: 7468/1: ftrace: Trace function entry before updating index
2012-07-31 10:30:42 +01:00
head-common.S
arm/dt: Make __vet_atags also accept a dtb image
2011-05-11 15:12:32 +02:00
head-nommu.S
ARM: 7591/1: nommu: Enable the strict alignment (CR_A) bit only if ARCH < v6
2012-12-07 11:48:57 +00:00
head.S
Merge branch 'fixes' into for-linus
2012-10-11 10:55:04 +01:00
hw_breakpoint.c
ARM: hw_breakpoint: Debug powerdown support for self-hosted debug
2013-01-10 21:13:07 +00:00
hyp-stub.S
ARM: virt: arch_timers: enable access to physical timers
2012-09-19 08:32:54 +01:00
insn.c
ARM: fix missing bug.h include in arch/arm/kernel/insn.c
2012-03-30 11:51:46 +01:00
insn.h
ARM: 7334/1: add jump label support
2012-03-24 09:38:56 +00:00
io.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
irq.c
ARM: export set_irq_flags
2012-10-09 20:24:24 +02:00
isa.c
…
iwmmxt.S
ARM: pxa: fix logic error in PJ4 iWMMXt handling
2011-08-11 10:10:26 +08:00
jump_label.c
ARM: 7334/1: add jump label support
2012-03-24 09:38:56 +00:00
kgdb.c
kgdb,arm: fix register dump
2010-10-29 13:14:40 -05:00
kprobes-arm.c
ARM: 7181/1: Restrict kprobes probing SWP instructions to ARMv5 and below
2011-11-30 23:54:54 +00:00
kprobes-common.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
kprobes-test-arm.c
ARM: kprobes: make more tests conditional
2012-10-09 17:07:43 +02:00
kprobes-test-thumb.c
ARM: 7174/1: Fix build error in kprobes test code on Thumb2 kernels
2011-11-26 21:58:53 +00:00
kprobes-test.c
treewide: fix printk typo in multiple drivers
2012-11-19 11:08:17 +01:00
kprobes-test.h
ARM: 7174/1: Fix build error in kprobes test code on Thumb2 kernels
2011-11-26 21:58:53 +00:00
kprobes-thumb.c
ARM: 7423/1: kprobes: run t32_simulate_ldr_literal() without insn slot
2012-06-14 15:11:44 +01:00
kprobes.c
Autogenerated GPG tag for Rusty D1ADB8F1: 15EE 8D6C AB0E 7F0C F999 BFCB D920 0E6C D1AD B8F1
2012-04-02 08:53:24 -07:00
kprobes.h
ARM: kprobes: Add exports for test code
2011-09-20 18:17:43 +00:00
machine_kexec.c
ARM: 7555/1: kexec: fix segment memory addresses check
2012-10-18 11:05:19 +01:00
Makefile
Merge branch 'fixes' into for-linus
2012-10-11 10:55:04 +01:00
module.c
ARM: 7059/1: LPAE: Use PMD_(SHIFT|SIZE|MASK) instead of PGDIR_*
2011-08-23 15:30:33 +01:00
opcodes.c
ARM: 7206/1: Add generic ARM instruction set condition code checks.
2011-12-13 08:52:02 +00:00
patch.c
ARM: 7332/1: extract out code patch function from kprobes
2012-03-24 09:38:55 +00:00
patch.h
ARM: 7332/1: extract out code patch function from kprobes
2012-03-24 09:38:55 +00:00
perf_event_cpu.c
ARM: drivers: remove __dev* attributes.
2013-01-03 15:57:04 -08:00
perf_event_v6.c
ARM: drivers: remove __dev* attributes.
2013-01-03 15:57:04 -08:00
perf_event_v7.c
ARM: drivers: remove __dev* attributes.
2013-01-03 15:57:04 -08:00
perf_event_xscale.c
ARM: drivers: remove __dev* attributes.
2013-01-03 15:57:04 -08:00
perf_event.c
ARM: PMU: fix runtime PM enable
2012-11-09 11:37:26 +00:00
pj4-cp0.c
arm: remove several unnecessary module.h include instances
2011-10-31 19:30:48 -04:00
process.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal
2012-12-12 12:22:13 -08:00
ptrace.c
ARM: 7595/1: syscall: rework ordering in syscall_trace_exit
2012-12-11 00:18:26 +00:00
relocate_kernel.S
ARM: 7065/1: kexec: ensure new kernel is entered in ARM state
2011-08-28 10:39:41 +01:00
return_address.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
sched_clock.c
ARM: 7565/1: sched: stop sched_clock() during suspend
2012-10-29 10:02:49 +00:00
setup.c
ARM: 7602/1: Pass real "__machine_arch_type" variable to setup_machine_tags() procedure
2012-12-16 10:04:24 +00:00
signal.c
Uninclude linux/freezer.h
2012-10-01 09:58:18 -04:00
signal.h
ARM: 7471/1: Revert "7442/1: Revert "remove unused restart trampoline""
2012-07-28 11:11:51 +01:00
sleep.S
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
smp_scu.c
ARM: 7347/1: SCU: use cpu_logical_map for per-CPU low power mode
2012-04-28 17:31:37 +01:00
smp_tlb.c
smp: introduce a generic on_each_cpu_mask() function
2012-03-28 17:14:35 -07:00
smp_twd.c
ARM: arm-soc: SoC updates for 3.8
2012-12-12 12:05:15 -08:00
smp.c
Merge branch 'devel-stable' into for-linus
2012-12-11 10:01:53 +00:00
stacktrace.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
suspend.c
ARM: kernel: update cpu_suspend code to use cache LoUIS operations
2012-09-25 11:20:26 +01:00
swp_emulate.c
ARM: missing ->mmap_sem around find_vma() in swp_emulate.c
2012-12-20 10:40:24 +00:00
sys_arm.c
arm: switch to generic fork/vfork/clone
2012-11-28 22:13:54 -05:00
sys_oabi-compat.c
userns: Convert stat to return values mapped from kuids and kgids
2012-05-15 14:08:35 -07:00
tcm.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
tcm.h
…
thumbee.c
ARM: 7385/1: ThumbEE: Use cpuid macros to read ID_PFR0 for ThumbEE
2012-04-25 19:49:26 +01:00
time.c
ARM: use new LEDS CPU trigger stub to replace old one
2012-08-01 11:22:14 +08:00
topology.c
ARM: kernel: update topology to use new MPIDR macros
2012-11-19 15:44:33 +00:00
traps.c
ARM: 7526/1: traps: send SIGILL if get_user fails on undef handling path
2012-09-07 20:40:44 +01:00
unwind.c
ARM: unwinder: fix bisection to find origin in .idx section
2011-12-15 14:02:19 -08:00
vmlinux.lds.S
ARM: 7605/1: vmlinux.lds: Move .notes section next to the rodata
2012-12-16 10:04:24 +00:00
xscale-cp0.c
arm: remove several unnecessary module.h include instances
2011-10-31 19:30:48 -04:00