1#ifndef __ASM_ARM_SYSTEM_MISC_H
 2#define __ASM_ARM_SYSTEM_MISC_H
 3
 4#ifndef __ASSEMBLY__
 5
 6#include <linux/compiler.h>
 7#include <linux/linkage.h>
 8#include <linux/irqflags.h>
 9#include <linux/reboot.h>
 
10
11extern void cpu_init(void);
12
13void soft_restart(unsigned long);
14extern void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
15extern void (*arm_pm_idle)(void);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
16
17#define UDBG_UNDEFINED	(1 << 0)
18#define UDBG_SYSCALL	(1 << 1)
19#define UDBG_BADABORT	(1 << 2)
20#define UDBG_SEGV	(1 << 3)
21#define UDBG_BUS	(1 << 4)
22
23extern unsigned int user_debug;
24
25#endif /* !__ASSEMBLY__ */
26
27#endif /* __ASM_ARM_SYSTEM_MISC_H */

 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_restart)(enum reboot_mode reboot_mode, const char *cmd);
17extern void (*arm_pm_idle)(void);
18
19#ifdef CONFIG_HARDEN_BRANCH_PREDICTOR
20typedef void (*harden_branch_predictor_fn_t)(void);
21DECLARE_PER_CPU(harden_branch_predictor_fn_t, harden_branch_predictor_fn);
22static inline void harden_branch_predictor(void)
23{
24	harden_branch_predictor_fn_t fn = per_cpu(harden_branch_predictor_fn,
25						  smp_processor_id());
26	if (fn)
27		fn();
28}
29#else
30#define harden_branch_predictor() do { } while (0)
31#endif
32
33#define UDBG_UNDEFINED	(1 << 0)
34#define UDBG_SYSCALL	(1 << 1)
35#define UDBG_BADABORT	(1 << 2)
36#define UDBG_SEGV	(1 << 3)
37#define UDBG_BUS	(1 << 4)
38
39extern unsigned int user_debug;
40
41#endif /* !__ASSEMBLY__ */
42
43#endif /* __ASM_ARM_SYSTEM_MISC_H */