git.sur5r.net Git - freertos/blob - FreeRTOS/Demo/CORTEX_MPU_STM32L4_Discovery_GCC_IAR_Keil/Projects/GCC/Startup/memfault_handler.c

   1 /*\r
   2  * FreeRTOS Kernel V10.2.1\r
   3  * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.\r
   4  *\r
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
   6  * this software and associated documentation files (the "Software"), to deal in\r
   7  * the Software without restriction, including without limitation the rights to\r
   8  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
   9  * the Software, and to permit persons to whom the Software is furnished to do so,\r
  10  * subject to the following conditions:\r
  11  *\r
  12  * The above copyright notice and this permission notice shall be included in all\r
  13  * copies or substantial portions of the Software.\r
  14  *\r
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
  17  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
  18  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
  19  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
  20  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  21  *\r
  22  * http://www.FreeRTOS.org\r
  23  * http://aws.amazon.com/freertos\r
  24  *\r
  25  * 1 tab == 4 spaces!\r
  26  */\r
  27 \r
  28 /**\r
  29  * @brief Mem fault handler.\r
  30  */\r
  31 void MemManage_Handler( void ) __attribute__ (( naked ));\r
  32 /*-----------------------------------------------------------*/\r
  33 \r
  34 void MemManage_Handler( void )\r
  35 {\r
  36         __asm volatile\r
  37         (\r
  38                 " tst lr, #4                                                                            \n"\r
  39                 " ite eq                                                                                        \n"\r
  40                 " mrseq r0, msp                                                                         \n"\r
  41                 " mrsne r0, psp                                                                         \n"\r
  42                 " ldr r1, handler_address_const                                         \n"\r
  43                 " bx r1                                                                                         \n"\r
  44                 "                                                                                                       \n"\r
  45                 " handler_address_const: .word vHandleMemoryFault       \n"\r
  46         );\r
  47 }\r
  48 /*-----------------------------------------------------------*/\r