cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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system_misc.h (1005B)


      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 */