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kernel/linux-rt-4.4.41/arch/arm/include/asm/arm-cci.h 1.05 KB
5113f6f70   김현기   kernel add
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  /*
   * arch/arm/include/asm/arm-cci.h
   *
   * Copyright (C) 2015 ARM Ltd.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  #ifndef __ASM_ARM_CCI_H
  #define __ASM_ARM_CCI_H
  
  #ifdef CONFIG_MCPM
  #include <asm/mcpm.h>
  
  /*
   * We don't have a reliable way of detecting whether,
   * if we have access to secure-only registers, unless
   * mcpm is registered.
   */
  static inline bool platform_has_secure_cci_access(void)
  {
  	return mcpm_is_available();
  }
  
  #else
  static inline bool platform_has_secure_cci_access(void)
  {
  	return false;
  }
  #endif
  
  #endif