/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ARM_SYSTEM_MISC_H
#define __ASM_ARM_SYSTEM_MISC_H

#ifndef __ASSEMBLY__

#include <linux/compiler.h>
#include <linux/linkage.h>
#include <linux/irqflags.h>
#include <linux/reboot.h>
#include <linux/percpu.h>

extern void cpu_init(void);

void soft_restart(unsigned long);
extern void (*arm_pm_idle)(void);

#ifdef CONFIG_HARDEN_BRANCH_PREDICTOR
typedef void (*harden_branch_predictor_fn_t)(void);
DECLARE_PER_CPU(harden_branch_predictor_fn_t, harden_branch_predictor_fn);
static inline void harden_branch_predictor(void)
{
        harden_branch_predictor_fn_t fn = per_cpu(harden_branch_predictor_fn,
                                                  smp_processor_id());
        if (fn)
                fn();
}
#else
#define harden_branch_predictor() do { } while (0)
#endif

#define UDBG_UNDEFINED  (1 << 0)
#define UDBG_SYSCALL    (1 << 1)
#define UDBG_BADABORT   (1 << 2)
#define UDBG_SEGV       (1 << 3)
#define UDBG_BUS        (1 << 4)

extern unsigned int user_debug;

#endif /* !__ASSEMBLY__ */

#endif /* __ASM_ARM_SYSTEM_MISC_H */