1
2#include <asm/io.h>
3#include <asm/reboot.h>
4#include <asm/cacheflush.h>
5#include <asm/qemu.h>
6
7static void qemu_machine_restart(char *command)
8{
9	volatile unsigned int *reg = (unsigned int *)QEMU_RESTART_REG;
10
11	set_c0_status(ST0_BEV | ST0_ERL);
12	change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
13	flush_cache_all();
14	write_c0_wired(0);
15	*reg = 42;
16	while (1)
17		cpu_wait();
18}
19
20static void qemu_machine_halt(void)
21{
22	volatile unsigned int *reg = (unsigned int *)QEMU_HALT_REG;
23
24	*reg = 42;
25	while (1)
26		cpu_wait();
27}
28
29void qemu_reboot_setup(void)
30{
31	_machine_restart = qemu_machine_restart;
32	_machine_halt = qemu_machine_halt;
33}
34