1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * CPU reset routines
4 *
5 * Copyright (C) 2015 Huawei Futurewei Technologies.
6 */
7
8 #ifndef _ARM64_CPU_RESET_H
9 #define _ARM64_CPU_RESET_H
10
11 #include <asm/virt.h>
12
13 void __cpu_soft_restart(unsigned long el2_switch, unsigned long entry,
14 unsigned long arg0, unsigned long arg1, unsigned long arg2);
15
cpu_soft_restart(unsigned long entry,unsigned long arg0,unsigned long arg1,unsigned long arg2)16 static inline void __noreturn cpu_soft_restart(unsigned long entry,
17 unsigned long arg0,
18 unsigned long arg1,
19 unsigned long arg2)
20 {
21 typeof(__cpu_soft_restart) *restart;
22
23 unsigned long el2_switch = !is_kernel_in_hyp_mode() &&
24 is_hyp_mode_available();
25 restart = (void *)__pa_symbol(__cpu_soft_restart);
26
27 cpu_install_idmap();
28 restart(el2_switch, entry, arg0, arg1, arg2);
29 unreachable();
30 }
31
32 #endif
33
