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f9076ecf GL |
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 | ||
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 *)virt_to_phys(__cpu_soft_restart); | |
28 | ||
29 | cpu_install_idmap(); | |
30 | restart(el2_switch, entry, arg0, arg1, arg2); | |
31 | unreachable(); | |
32 | } | |
33 | ||
34 | #endif |