/* Linker script to configure memory regions. * * SPDX-License-Identifier: BSD-3-Clause ****************************************************************************** * @attention * * Copyright (c) 2016-2020 STMicroelectronics. * All rights reserved. * * This software component is licensed by ST under BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** */ /* Device specific values */ /* Tools provide -DMBED_ROM_START=xxx -DMBED_ROM_SIZE=xxx -DMBED_RAM_START=xxx -DMBED_RAM_SIZE=xxx */ define symbol VECTORS = 48; /* This value must match NVIC_NUM_VECTORS in cmsis_nvic.h */ define symbol HEAP_SIZE = 0x2000; /* Common - Do not change */ if (!isdefinedsymbol(MBED_APP_START)) { define symbol MBED_APP_START = MBED_ROM_START; } if (!isdefinedsymbol(MBED_APP_SIZE)) { define symbol MBED_APP_SIZE = MBED_ROM_SIZE; } if (!isdefinedsymbol(MBED_CONF_TARGET_BOOT_STACK_SIZE)) { /* This value is normally defined by the tools to 0x1000 for bare metal and 0x400 for RTOS */ define symbol MBED_CONF_TARGET_BOOT_STACK_SIZE = 0x400; } /* Round up VECTORS_SIZE to 8 bytes */ define symbol VECTORS_SIZE = ((VECTORS * 4) + 7) & ~7; define symbol RAM_REGION_START = MBED_RAM_START + VECTORS_SIZE; define symbol RAM_REGION_SIZE = MBED_RAM_SIZE - VECTORS_SIZE; define memory mem with size = 4G; define region ROM_region = mem:[from MBED_APP_START size MBED_APP_SIZE]; define region RAM_region = mem:[from RAM_REGION_START size RAM_REGION_SIZE]; define block CSTACK with alignment = 8, size = MBED_CONF_TARGET_BOOT_STACK_SIZE { }; define block HEAP with alignment = 8, size = HEAP_SIZE { }; initialize by copy { readwrite }; do not initialize { section .noinit }; place at address mem: MBED_APP_START { readonly section .intvec }; place in ROM_region { readonly }; place in RAM_region { readwrite, block CSTACK, block HEAP };