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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arm-cci.h (535B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * arch/arm/include/asm/arm-cci.h
      4 *
      5 * Copyright (C) 2015 ARM Ltd.
      6 */
      7
      8#ifndef __ASM_ARM_CCI_H
      9#define __ASM_ARM_CCI_H
     10
     11#ifdef CONFIG_MCPM
     12#include <asm/mcpm.h>
     13
     14/*
     15 * We don't have a reliable way of detecting whether,
     16 * if we have access to secure-only registers, unless
     17 * mcpm is registered.
     18 */
     19static inline bool platform_has_secure_cci_access(void)
     20{
     21	return mcpm_is_available();
     22}
     23
     24#else
     25static inline bool platform_has_secure_cci_access(void)
     26{
     27	return false;
     28}
     29#endif
     30
     31#endif