| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * linux/arch/cris/kernel/process.c |
| * |
| * Copyright (C) 1995 Linus Torvalds |
| * Copyright (C) 2000-2002 Axis Communications AB |
| * |
| * Authors: Bjorn Wesen (bjornw@axis.com) |
| * |
| */ |
| |
| /* |
| * This file handles the architecture-dependent parts of process handling.. |
| */ |
| |
| #include <linux/atomic.h> |
| #include <asm/pgtable.h> |
| #include <linux/uaccess.h> |
| #include <asm/irq.h> |
| #include <linux/module.h> |
| #include <linux/spinlock.h> |
| #include <linux/init_task.h> |
| #include <linux/sched.h> |
| #include <linux/sched/task.h> |
| #include <linux/fs.h> |
| #include <linux/user.h> |
| #include <linux/elfcore.h> |
| #include <linux/mqueue.h> |
| #include <linux/reboot.h> |
| #include <linux/rcupdate.h> |
| |
| //#define DEBUG |
| |
| extern void default_idle(void); |
| |
| void (*pm_power_off)(void); |
| EXPORT_SYMBOL(pm_power_off); |
| |
| void arch_cpu_idle(void) |
| { |
| default_idle(); |
| } |
| |
| void hard_reset_now (void); |
| |
| void machine_restart(char *cmd) |
| { |
| hard_reset_now(); |
| } |
| |
| /* |
| * Similar to machine_power_off, but don't shut off power. Add code |
| * here to freeze the system for e.g. post-mortem debug purpose when |
| * possible. This halt has nothing to do with the idle halt. |
| */ |
| |
| void machine_halt(void) |
| { |
| } |
| |
| /* If or when software power-off is implemented, add code here. */ |
| |
| void machine_power_off(void) |
| { |
| } |
| |
| /* |
| * When a process does an "exec", machine state like FPU and debug |
| * registers need to be reset. This is a hook function for that. |
| * Currently we don't have any such state to reset, so this is empty. |
| */ |
| |
| void flush_thread(void) |
| { |
| } |
| |
| /* Fill in the fpu structure for a core dump. */ |
| int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu) |
| { |
| return 0; |
| } |