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author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-26 12:20:00 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-26 12:20:00 -0700 |
commit | e8a0b37d28ace440776c0a4fe3c65f5832a9a7ee (patch) | |
tree | 9475608c22849e5039d4dc00d3f8e3a30eeac2b9 /arch/arm/kernel/entry-armv.S | |
parent | abea9629486cf973369a641e190e739b3010bb03 (diff) | |
parent | 002af195a8c720ca47c7884fd0390f3b327423b9 (diff) | |
download | lwn-e8a0b37d28ace440776c0a4fe3c65f5832a9a7ee.tar.gz lwn-e8a0b37d28ace440776c0a4fe3c65f5832a9a7ee.zip |
Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
"Bigger items included in this update are:
- A series of updates from Arnd for ARM randconfig build failures
- Updates from Dmitry for StrongARM SA-1100 to move IRQ handling to
drivers/irqchip/
- Move ARMs SP804 timer to drivers/clocksource/
- Perf updates from Mark Rutland in preparation to move the ARM perf
code into drivers/ so it can be shared with ARM64.
- MCPM updates from Nicolas
- Add support for taking platform serial number from DT
- Re-implement Keystone2 physical address space switch to conform to
architecture requirements
- Clean up ARMv7 LPAE code, which goes in hand with the Keystone2
changes.
- L2C cleanups to avoid unlocking caches if we're prevented by the
secure support to unlock.
- Avoid cleaning a potentially dirty cache containing stale data on
CPU initialisation
- Add ARM-only entry point for secondary startup (for machines that
can only call into a Thumb kernel in ARM mode). Same thing is also
done for the resume entry point.
- Provide arch_irqs_disabled via asm-generic
- Enlarge ARMv7M vector table
- Always use BFD linker for VDSO, as gold doesn't accept some of the
options we need.
- Fix an incorrect BSYM (for Thumb symbols) usage, and convert all
BSYM compiler macros to a "badr" (for branch address).
- Shut up compiler warnings provoked by our cmpxchg() implementation.
- Ensure bad xchg sizes fail to link"
* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (75 commits)
ARM: Fix build if CLKDEV_LOOKUP is not configured
ARM: fix new BSYM() usage introduced via for-arm-soc branch
ARM: 8383/1: nommu: avoid deprecated source register on mov
ARM: 8391/1: l2c: add options to overwrite prefetching behavior
ARM: 8390/1: irqflags: Get arch_irqs_disabled from asm-generic
ARM: 8387/1: arm/mm/dma-mapping.c: Add arm_coherent_dma_mmap
ARM: 8388/1: tcm: Don't crash when TCM banks are protected by TrustZone
ARM: 8384/1: VDSO: force use of BFD linker
ARM: 8385/1: VDSO: group link options
ARM: cmpxchg: avoid warnings from macro-ized cmpxchg() implementations
ARM: remove __bad_xchg definition
ARM: 8369/1: ARMv7M: define size of vector table for Vybrid
ARM: 8382/1: clocksource: make ARM_TIMER_SP804 depend on GENERIC_SCHED_CLOCK
ARM: 8366/1: move Dual-Timer SP804 driver to drivers/clocksource
ARM: 8365/1: introduce sp804_timer_disable and remove arm_timer.h inclusion
ARM: 8364/1: fix BE32 module loading
ARM: 8360/1: add secondary_startup_arm prototype in header file
ARM: 8359/1: correct secondary_startup_arm mode
ARM: proc-v7: sanitise and document registers around errata
ARM: proc-v7: clean up MIDR access
...
Diffstat (limited to 'arch/arm/kernel/entry-armv.S')
-rw-r--r-- | arch/arm/kernel/entry-armv.S | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 570306c49406..f8f7398c74c2 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -40,7 +40,7 @@ #ifdef CONFIG_MULTI_IRQ_HANDLER ldr r1, =handle_arch_irq mov r0, sp - adr lr, BSYM(9997f) + badr lr, 9997f ldr pc, [r1] #else arch_irq_handler_default @@ -273,7 +273,7 @@ __und_svc: str r4, [sp, #S_PC] orr r0, r9, r0, lsl #16 #endif - adr r9, BSYM(__und_svc_finish) + badr r9, __und_svc_finish mov r2, r4 bl call_fpe @@ -469,7 +469,7 @@ __und_usr: @ instruction, or the more conventional lr if we are to treat @ this as a real undefined instruction @ - adr r9, BSYM(ret_from_exception) + badr r9, ret_from_exception @ IRQs must be enabled before attempting to read the instruction from @ user space since that could cause a page/translation fault if the @@ -486,7 +486,7 @@ __und_usr: @ r2 = PC value for the following instruction (:= regs->ARM_pc) @ r4 = PC value for the faulting instruction @ lr = 32-bit undefined instruction function - adr lr, BSYM(__und_usr_fault_32) + badr lr, __und_usr_fault_32 b call_fpe __und_usr_thumb: @@ -522,7 +522,7 @@ ARM_BE8(rev16 r0, r0) @ little endian instruction add r2, r2, #2 @ r2 is PC + 2, make it PC + 4 str r2, [sp, #S_PC] @ it's a 2x16bit instr, update orr r0, r0, r5, lsl #16 - adr lr, BSYM(__und_usr_fault_32) + badr lr, __und_usr_fault_32 @ r0 = the two 16-bit Thumb instructions which caused the exception @ r2 = PC value for the following Thumb instruction (:= regs->ARM_pc) @ r4 = PC value for the first 16-bit Thumb instruction @@ -716,7 +716,7 @@ __und_usr_fault_32: __und_usr_fault_16: mov r1, #2 1: mov r0, sp - adr lr, BSYM(ret_from_exception) + badr lr, ret_from_exception b __und_fault ENDPROC(__und_usr_fault_32) ENDPROC(__und_usr_fault_16) |