35 lines
655 B
C
35 lines
655 B
C
#include <linux/config.h>
|
|
|
|
#include <asm/io.h>
|
|
#include <asm/reboot.h>
|
|
#include <asm/cacheflush.h>
|
|
#include <asm/qemu.h>
|
|
|
|
static void qemu_machine_restart(char *command)
|
|
{
|
|
volatile unsigned int *reg = (unsigned int *)QEMU_RESTART_REG;
|
|
|
|
set_c0_status(ST0_BEV | ST0_ERL);
|
|
change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
|
|
flush_cache_all();
|
|
write_c0_wired(0);
|
|
*reg = 42;
|
|
while (1)
|
|
cpu_wait();
|
|
}
|
|
|
|
static void qemu_machine_halt(void)
|
|
{
|
|
volatile unsigned int *reg = (unsigned int *)QEMU_HALT_REG;
|
|
|
|
*reg = 42;
|
|
while (1)
|
|
cpu_wait();
|
|
}
|
|
|
|
void qemu_reboot_setup(void)
|
|
{
|
|
_machine_restart = qemu_machine_restart;
|
|
_machine_halt = qemu_machine_halt;
|
|
}
|