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sh: Split out the idle loop for reuse between _32/_64 variants.

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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2008-11-26 15:52:44 +09:00
parent eb67cf14ae
commit 1da1180c6e
5 changed files with 83 additions and 123 deletions
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60
arch/sh/kernel/process_64.c
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@@ -33,56 +33,6 @@
struct task_struct *last_task_used_math = NULL;
static int hlt_counter = 1;
#define HARD_IDLE_TIMEOUT (HZ / 3)
static int __init nohlt_setup(char *__unused)
{
hlt_counter = 1;
return 1;
}
static int __init hlt_setup(char *__unused)
{
hlt_counter = 0;
return 1;
}
__setup("nohlt", nohlt_setup);
__setup("hlt", hlt_setup);
static inline void hlt(void)
{
__asm__ __volatile__ ("sleep" : : : "memory");
}
/*
* The idle loop on a uniprocessor SH..
*/
void cpu_idle(void)
{
/* endless idle loop with no priority at all */
while (1) {
if (hlt_counter) {
while (!need_resched())
cpu_relax();
} else {
local_irq_disable();
while (!need_resched()) {
local_irq_enable();
hlt();
local_irq_disable();
}
local_irq_enable();
}
preempt_enable_no_resched();
schedule();
preempt_disable();
}
}
void machine_restart(char * __unused)
{
extern void phys_stext(void);
@@ -97,13 +47,6 @@ void machine_halt(void)
void machine_power_off(void)
{
#if 0
/* Disable watchdog timer */
ctrl_outl(0xa5000000, WTCSR);
/* Configure deep standby on sleep */
ctrl_outl(0x03, STBCR);
#endif
__asm__ __volatile__ (
"sleep\n\t"
"synci\n\t"
@@ -113,9 +56,6 @@ void machine_power_off(void)
panic("Unexpected wakeup!\n");
}
void (*pm_power_off)(void) = machine_power_off;
EXPORT_SYMBOL(pm_power_off);
void show_regs(struct pt_regs * regs)
{
unsigned long long ah, al, bh, bl, ch, cl;