1/*
2 *  linux/arch/cris/kernel/process.c
3 *
4 *  Copyright (C) 1995  Linus Torvalds
5 *  Copyright (C) 2000-2002  Axis Communications AB
6 *
7 *  Authors:   Bjorn Wesen (bjornw@axis.com)
8 *
9 */
10
11/*
12 * This file handles the architecture-dependent parts of process handling..
13 */
14
15#include <linux/atomic.h>
16#include <asm/pgtable.h>
17#include <asm/uaccess.h>
18#include <asm/irq.h>
19#include <linux/module.h>
20#include <linux/spinlock.h>
21#include <linux/init_task.h>
22#include <linux/sched.h>
23#include <linux/fs.h>
24#include <linux/user.h>
25#include <linux/elfcore.h>
26#include <linux/mqueue.h>
27#include <linux/reboot.h>
28#include <linux/rcupdate.h>
29
30//#define DEBUG
31
32extern void default_idle(void);
33
34void (*pm_power_off)(void);
35EXPORT_SYMBOL(pm_power_off);
36
37void arch_cpu_idle(void)
38{
39	default_idle();
40}
41
42void hard_reset_now (void);
43
44void machine_restart(char *cmd)
45{
46	hard_reset_now();
47}
48
49/*
50 * Similar to machine_power_off, but don't shut off power.  Add code
51 * here to freeze the system for e.g. post-mortem debug purpose when
52 * possible.  This halt has nothing to do with the idle halt.
53 */
54
55void machine_halt(void)
56{
57}
58
59/* If or when software power-off is implemented, add code here.  */
60
61void machine_power_off(void)
62{
63}
64
65/*
66 * When a process does an "exec", machine state like FPU and debug
67 * registers need to be reset.  This is a hook function for that.
68 * Currently we don't have any such state to reset, so this is empty.
69 */
70
71void flush_thread(void)
72{
73}
74
75/* Fill in the fpu structure for a core dump. */
76int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
77{
78        return 0;
79}
80