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linux/arch/arc/kernel
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Vineet Gupta 3d5e80125a ARCv2: entry: save Accumulator register pair (r58:59) if present 
Accumulator is present in configs with FPU and/or DSP MPY (mpy > 6)

Instead of doing this in pt_regs (and thus every kernel entry/exit),
this could have been done in context switch (and for user task only) as
currently kernel doesn't clobber these registers for its own accord.
However we will soon start using 64-bit multiply instructions for kernel
which can clobber these. Also gcc folks also plan to start using these
as GPRs, hence better to always save/restore them

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2017-04-20 15:37:49 -07:00
..
.gitignore
arc_hostlink.c
arcksyms.c
asm-offsets.c
ctx_sw_asm.S ARC: dw2 unwind: enable cfi pseudo ops in string lib 2016-09-30 14:48:22 -07:00
ctx_sw.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h> 2017-03-02 08:42:34 +01:00
devtree.c ARC: [plat-eznps] set default baud for early console 2016-11-08 09:39:37 -08:00
disasm.c
entry-arcv2.S ARCv2: make unimplemented vectors as no-ops rather than halt core 2017-03-20 18:47:57 -07:00
entry-compact.S ARC: ARCompact entry: elide re-reading ECR in ProtV handler 2016-12-13 13:16:11 -08:00
entry.S ARC: entry: make ret_from_system_call local label 2016-09-30 14:48:21 -07:00
fpu.c
head.S ARC: smp-boot: Decouple Non masters waiting API from jump to entry point 2017-01-24 11:12:28 -08:00
intc-arcv2.c ARCv2: intc: Set default priority for all core interrupts 2017-02-06 09:37:57 -08:00
intc-compact.c ARC: [intc-*]: confine NR_CPU_IRQS to intc code 2017-02-06 09:37:57 -08:00
irq.c
kgdb.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h> 2017-03-02 08:42:36 +01:00
kprobes.c
Makefile clocksource: import ARC timer driver 2016-11-30 11:54:25 -08:00
mcip.c ARCv2: IDU-intc: Delete deprecated parameters in Device Trees 2017-02-06 09:37:57 -08:00
module.c ARC: module: Fix !CONFIG_ARC_DW2_UNWIND builds 2017-01-18 11:17:44 -08:00
pcibios.c
perf_event.c arc: perf: Enable generic "cache-references" and "cache-misses" events 2016-09-30 14:48:18 -07:00
process.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h> 2017-03-02 08:42:36 +01:00
ptrace.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h> 2017-03-02 08:42:36 +01:00
reset.c
setup.c ARCv2: entry: save Accumulator register pair (r58:59) if present 2017-04-20 15:37:49 -07:00
signal.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h> 2017-03-02 08:42:36 +01:00
smp.c sched/headers: Move task->mm handling methods to <linux/sched/mm.h> 2017-03-03 01:43:28 +01:00
stacktrace.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h> 2017-03-02 08:42:34 +01:00
sys.c
traps.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h> 2017-03-02 08:42:29 +01:00
troubleshoot.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h> 2017-03-02 08:42:34 +01:00
unaligned.c ARC: [arcompact] brown paper bag bug in unaligned access delay slot fixup 2017-02-07 10:02:01 -08:00
unwind.c scripts/spelling.txt: add "aligment" pattern and fix typo instances 2017-02-27 18:43:46 -08:00
vmlinux.lds.S nmi_backtrace: generate one-line reports for idle cpus 2016-10-07 18:46:30 -07:00