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ARC: Abstract out ISA specific SLEEP args

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No semantical changes, prepares for ARCv2 specific change in next commit

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta 2015-11-16 13:52:07 +05:30
parent 61a1634818
commit 512b5b89b9
3 changed files with 8 additions and 5 deletions
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2
arch/arc/include/asm/irqflags-arcv2.h
View File

@ -37,6 +37,8 @@
#define ISA_INIT_STATUS_BITS (STATUS_IE_MASK | STATUS_AD_MASK | \
(ARCV2_IRQ_DEF_PRIO << 1))
#define ISA_SLEEP_ARG 0x10
#ifndef __ASSEMBLY__
/*

2
arch/arc/include/asm/irqflags-compact.h
View File

@ -43,6 +43,8 @@
#define ISA_INIT_STATUS_BITS STATUS_IE_MASK
#define ISA_SLEEP_ARG 0x3
#ifndef __ASSEMBLY__
/******************************************************************

9
arch/arc/kernel/process.c
View File

@ -44,11 +44,10 @@ SYSCALL_DEFINE0(arc_gettls)
void arch_cpu_idle(void)
{
/* sleep, but enable all interrupts before committing */
if (is_isa_arcompact()) {
__asm__("sleep 0x3");
} else {
__asm__("sleep 0x10");
}
__asm__ __volatile__(
"sleep %0 \n"
:
:"I"(ISA_SLEEP_ARG)); /* can't be "r" has to be embedded const */
}
asmlinkage void ret_from_fork(void);