1 /*
2 * CPU reset routines
3 *
4 * Copyright (C) 2015 Huawei Futurewei Technologies.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11 #ifndef _ARM64_CPU_RESET_H
12 #define _ARM64_CPU_RESET_H
13
14 #include <asm/virt.h>
15
16 void __cpu_soft_restart(unsigned long el2_switch, unsigned long entry,
17 unsigned long arg0, unsigned long arg1, unsigned long arg2);
18
cpu_soft_restart(unsigned long el2_switch,unsigned long entry,unsigned long arg0,unsigned long arg1,unsigned long arg2)19 static inline void __noreturn cpu_soft_restart(unsigned long el2_switch,
20 unsigned long entry, unsigned long arg0, unsigned long arg1,
21 unsigned long arg2)
22 {
23 typeof(__cpu_soft_restart) *restart;
24
25 el2_switch = el2_switch && !is_kernel_in_hyp_mode() &&
26 is_hyp_mode_available();
27 restart = (void *)__pa_symbol(__cpu_soft_restart);
28
29 cpu_install_idmap();
30 restart(el2_switch, entry, arg0, arg1, arg2);
31 unreachable();
32 }
33
34 #endif
35