LXR linux/arch/arm/include/asm/system

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __ASM_ARM_SYSTEM_MISC_H
   3#define __ASM_ARM_SYSTEM_MISC_H
   4
   5#ifndef __ASSEMBLY__
   6
   7#include <linux/compiler.h>
   8#include <linux/linkage.h>
   9#include <linux/irqflags.h>
  10#include <linux/reboot.h>
  11#include <linux/percpu.h>
  12
  13extern void cpu_init(void);
  14
  15void soft_restart(unsigned long);
  16extern void (*arm_pm_idle)(void);
  17
  18#ifdef CONFIG_HARDEN_BRANCH_PREDICTOR
  19typedef void (*harden_branch_predictor_fn_t)(void);
  20DECLARE_PER_CPU(harden_branch_predictor_fn_t, harden_branch_predictor_fn);
  21static inline void harden_branch_predictor(void)
  22{
  23        harden_branch_predictor_fn_t fn = per_cpu(harden_branch_predictor_fn,
  24                                                  smp_processor_id());
  25        if (fn)
  26                fn();
  27}
  28#else
  29#define harden_branch_predictor() do { } while (0)
  30#endif
  31
  32#define UDBG_UNDEFINED  (1 << 0)
  33#define UDBG_SYSCALL    (1 << 1)
  34#define UDBG_BADABORT   (1 << 2)
  35#define UDBG_SEGV       (1 << 3)
  36#define UDBG_BUS        (1 << 4)
  37
  38extern unsigned int user_debug;
  39
  40#endif /* !__ASSEMBLY__ */
  41
  42#endif /* __ASM_ARM_SYSTEM_MISC_H */
  43