arm/kernel/reboot.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  *  Copyright (C) 1996-2000 Russell King - Converted to ARM.
17 typedef void (*phys_reset_t)(unsigned long, bool);
30  * code.
54 	phys_reset((unsigned long)addr, is_hyp_mode_available());  in __soft_restart()
60 void _soft_restart(unsigned long addr, bool disable_l2)  in _soft_restart()
79 void soft_restart(unsigned long addr)  in soft_restart()
88  * to execute e.g. a RAM-based pin loop is not sufficient. This allows the
89  * kexec'd kernel to use any and all RAM as it sees fit, without having to
90  * avoid any code or data used by any SW CPU pin loop. The CPU hotplug
111  * Power-off simply requires that the secondary CPUs stop performing any
129  * This is required so that any code running after reset on the primary CPU
130  * doesn't have to co-ordinate with other CPUs to ensure they aren't still
131  * executing pre-reset code, and using RAM that the primary CPU's code wishes
132  * to use. Implementing such co-ordination would be essentially impossible.
144 	/* Whoops - the platform was unable to reboot. Tell the user! */  in machine_restart()
145 	printk("Reboot failed -- System halted\n");  in machine_restart()