text: /* ----------------------------------------------------------------------------
   * Copyright (c) Huawei Technologies Co., Ltd. 2020-2020. All rights reserved.
   * Description: MPU Config Implementation
   * Author: Huawei LiteOS Team
   * Create: 2020-08-01
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
   * 1. Redistributions of source code must retain the above copyright notice, this list of
   * conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright notice, this list
   * of conditions and the following disclaimer in the documentation and/or other materials
   * provided with the distribution.
   * 3. Neither the name of the copyright holder nor the names of its contributors may be used
   * to endorse or promote products derived from this software without specific prior written
   * permission.
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
   * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   * --------------------------------------------------------------------------- */
  
  #include <xtensa/hal.h>
  #include <xtensa/hal-certified.h>
  #include "arch/mpu.h"
  #include "los_typedef.h"
  #include "asm/memmap_config.h"
  
  VOID ArchSetMemAttribute(VOID)
  {
      const struct xthal_MPU_entry mpuMap[] = {
          XTHAL_MPU_ENTRY(0, 1, XTHAL_AR_RWXrwx, XTHAL_MEM_NON_CACHEABLE),
          XTHAL_MPU_ENTRY(OS_SYS_ICACHE_MPU_MEM1, 1, XTHAL_AR_RWXrwx, XTHAL_MEM_WRITEBACK),
          XTHAL_MPU_ENTRY(OS_SYS_ICACHE_MPU_MEM2, 1, XTHAL_AR_RWXrwx, XTHAL_MEM_NON_CACHEABLE)
      };
  
      xthal_write_map(mpuMap, sizeof(mpuMap) / sizeof(struct xthal_MPU_entry));
  }
  