linux/arch/arm64/kernel/cpu-reset.h
Laura Abbott 2077be6783 arm64: Use __pa_symbol for kernel symbols
__pa_symbol is technically the marcro that should be used for kernel
symbols. Switch to this as a pre-requisite for DEBUG_VIRTUAL which
will do bounds checking.

Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2017-01-12 15:05:39 +00:00

35 lines
916 B
C

/*
* CPU reset routines
*
* Copyright (C) 2015 Huawei Futurewei Technologies.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#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 el2_switch,
unsigned long entry, unsigned long arg0, unsigned long arg1,
unsigned long arg2)
{
typeof(__cpu_soft_restart) *restart;
el2_switch = 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