kernel_optimize_test/arch/mips/gt64120/wrppmc/reset.c
Yoichi Yuasa 9ecb1ff1b2 [MIPS] replace inline assembler to cpu_wait()
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-07-15 18:44:36 +01:00

46 lines
1.0 KiB
C

/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1997 Ralf Baechle
*/
#include <linux/irqflags.h>
#include <linux/kernel.h>
#include <asm/cacheflush.h>
#include <asm/mipsregs.h>
#include <asm/processor.h>
void wrppmc_machine_restart(char *command)
{
/*
* Ouch, we're still alive ... This time we take the silver bullet ...
* ... and find that we leave the hardware in a state in which the
* kernel in the flush locks up somewhen during of after the PCI
* detection stuff.
*/
local_irq_disable();
set_c0_status(ST0_BEV | ST0_ERL);
change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
flush_cache_all();
write_c0_wired(0);
__asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
}
void wrppmc_machine_halt(void)
{
local_irq_disable();
printk(KERN_NOTICE "You can safely turn off the power\n");
while (1) {
if (cpu_wait)
cpu_wait();
}
}
void wrppmc_machine_power_off(void)
{
wrppmc_machine_halt();
}