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Diffstat (limited to '')
| -rw-r--r-- | arch/arm64/kernel/cpu-reset.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpu-reset.h b/arch/arm64/kernel/cpu-reset.h new file mode 100644 index 000000000..ed50e9587 --- /dev/null +++ b/arch/arm64/kernel/cpu-reset.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * CPU reset routines + * + * Copyright (C) 2015 Huawei Futurewei Technologies. + */ + +#ifndef _ARM64_CPU_RESET_H +#define _ARM64_CPU_RESET_H + +#include <asm/virt.h> + +void __cpu_soft_restart(unsigned long el2_switch, unsigned long entry, + unsigned long arg0, unsigned long arg1, unsigned long arg2); + +static inline void __noreturn cpu_soft_restart(unsigned long entry, + unsigned long arg0, + unsigned long arg1, + unsigned long arg2) +{ + typeof(__cpu_soft_restart) *restart; + + unsigned long el2_switch = !is_kernel_in_hyp_mode() && + is_hyp_mode_available(); + restart = (void *)__pa_symbol(__cpu_soft_restart); + + cpu_install_idmap(); + restart(el2_switch, entry, arg0, arg1, arg2); + unreachable(); +} + +#endif |