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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smp-cps.h (998B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * Copyright (C) 2013 Imagination Technologies
      4 * Author: Paul Burton <paul.burton@mips.com>
      5 */
      6
      7#ifndef __MIPS_ASM_SMP_CPS_H__
      8#define __MIPS_ASM_SMP_CPS_H__
      9
     10#ifndef __ASSEMBLY__
     11
     12struct vpe_boot_config {
     13	unsigned long pc;
     14	unsigned long sp;
     15	unsigned long gp;
     16};
     17
     18struct core_boot_config {
     19	atomic_t vpe_mask;
     20	struct vpe_boot_config *vpe_config;
     21};
     22
     23extern struct core_boot_config *mips_cps_core_bootcfg;
     24
     25extern void mips_cps_core_entry(void);
     26extern void mips_cps_core_init(void);
     27
     28extern void mips_cps_boot_vpes(struct core_boot_config *cfg, unsigned vpe);
     29
     30extern void mips_cps_pm_save(void);
     31extern void mips_cps_pm_restore(void);
     32
     33#ifdef CONFIG_MIPS_CPS
     34
     35extern bool mips_cps_smp_in_use(void);
     36
     37#else /* !CONFIG_MIPS_CPS */
     38
     39static inline bool mips_cps_smp_in_use(void) { return false; }
     40
     41#endif /* !CONFIG_MIPS_CPS */
     42
     43#else /* __ASSEMBLY__ */
     44
     45.extern mips_cps_bootcfg;
     46
     47#endif /* __ASSEMBLY__ */
     48#endif /* __MIPS_ASM_SMP_CPS_H__ */