arch/csky/kernel/power.c

Source file repositories/reference/linux-study-clean/arch/csky/kernel/power.c

File Facts

System
Linux kernel
Corpus path
arch/csky/kernel/power.c
Extension
.c
Size
491 bytes
Lines
29
Domain
Architecture Layer
Bucket
arch/csky
Inferred role
Architecture Layer: exported/initcall integration point
Status
integration implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.

#include <linux/reboot.h>

void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);

void machine_power_off(void)
{
	local_irq_disable();
	do_kernel_power_off();
	asm volatile ("bkpt");
}

void machine_halt(void)
{
	local_irq_disable();
	do_kernel_power_off();
	asm volatile ("bkpt");
}

void machine_restart(char *cmd)
{
	local_irq_disable();
	do_kernel_restart(cmd);
	asm volatile ("bkpt");
}

Annotation

Implementation Notes