56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/* reboot.c: reboot/shutdown/halt/poweroff handling
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*
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* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
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*/
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#include <linux/kernel.h>
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#include <linux/reboot.h>
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#include <linux/export.h>
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#include <linux/pm.h>
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#include <linux/of.h>
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#include <asm/oplib.h>
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#include <asm/prom.h>
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#include <asm/setup.h>
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/* sysctl - toggle power-off restriction for serial console
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* systems in machine_power_off()
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*/
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int scons_pwroff = 1;
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/* This isn't actually used, it exists merely to satisfy the
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* reference in kernel/sys.c
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*/
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void (*pm_power_off)(void) = machine_power_off;
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EXPORT_SYMBOL(pm_power_off);
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void machine_power_off(void)
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{
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if (!of_node_is_type(of_console_device, "serial") || scons_pwroff)
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prom_halt_power_off();
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prom_halt();
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}
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void machine_halt(void)
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{
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prom_halt();
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panic("Halt failed!");
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}
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void machine_restart(char *cmd)
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{
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char *p;
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p = strchr(reboot_command, '\n');
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if (p)
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*p = 0;
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if (cmd)
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prom_reboot(cmd);
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if (*reboot_command)
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prom_reboot(reboot_command);
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prom_reboot("");
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panic("Reboot failed!");
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}
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