src/main/drivers/memprot.h

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #pragma once
  22
  23 typedef struct mpuRegion_s {
  24     uint32_t start;
  25     uint32_t end;        // Zero if determined by size member (MPU_REGION_SIZE_xxx)
  26     uint8_t  size;       // Zero if determined from linker symbols
  27     uint8_t  perm;
  28     uint8_t  exec;
  29     uint8_t  shareable;
  30     uint8_t  cacheable;
  31     uint8_t  bufferable;
  32 } mpuRegion_t;
  33
  34 extern mpuRegion_t mpuRegions[];
  35 extern unsigned mpuRegionCount;
  36
  37 void memProtReset(void);
  38 void memProtConfigure(mpuRegion_t *mpuRegions, unsigned regionCount);