/* 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 */ if (!isdefinedsymbol(MBED_APP_START)) { define symbol MBED_APP_START = 0x08000000; } if (!isdefinedsymbol(MBED_APP_SIZE)) { define symbol MBED_APP_SIZE = MBED_ROM_START; } /* [ROM = 768kb = 0xC0000] */ define symbol __intvec_start__ = MBED_APP_START; define symbol __region_ROM_start__ = MBED_APP_START; define symbol __region_ROM_end__ = MBED_APP_START + MBED_APP_SIZE - 1; /* [RAM1 = 192kb = 0x30000] */ /* Total: 79 vectors = 316 bytes (0x13C) to be reserved in RAM */ define symbol __NVIC_start__ = 0x20000000; define symbol __NVIC_end__ = 0x2000013F; define symbol __region_RAM_start__ = 0x20000140; /* Aligned on 8 bytes */ define symbol __region_RAM_end__ = 0x2002FFFF; /* [RAM2aRet = 10kb = 0x2800] */ define symbol __ICFEDIT_region_RAM2aRet_SHARED_start__ = 0x20030000; define symbol __ICFEDIT_region_RAM2aRet_SHARED_end__ = 0x200327FF; /* [RAM2bRet = 20kb = 0x5000] */ define symbol __ICFEDIT_region_RAM2b_SHARED_start__ = 0x20038000; define symbol __ICFEDIT_region_RAM2b_SHARED_end__ = 0x2003CFFF; /* Memory regions */ define memory mem with size = 4G; define region ROM_region = mem:[from __region_ROM_start__ to __region_ROM_end__]; define region RAM_region = mem:[from __region_RAM_start__ to __region_RAM_end__]; define region RAM2aRet_SHARED_region = mem:[from __ICFEDIT_region_RAM2aRet_SHARED_start__ to __ICFEDIT_region_RAM2aRet_SHARED_end__]; define region RAM2b_SHARED_region = mem:[from __ICFEDIT_region_RAM2b_SHARED_start__ to __ICFEDIT_region_RAM2b_SHARED_end__]; 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; } /* Stack and Heap */ define symbol __size_cstack__ = MBED_CONF_TARGET_BOOT_STACK_SIZE; define symbol __size_heap__ = 0x10000; define block CSTACK with alignment = 8, size = __size_cstack__ { }; define block HEAP with alignment = 8, size = __size_heap__ { }; define block STACKHEAP with fixed order { block HEAP, block CSTACK }; initialize by copy with packing = zeros { readwrite }; do not initialize { section .noinit, section MAPPING_TABLE, section MB_MEM1, section MB_MEM2 }; place at address mem:__intvec_start__ { readonly section .intvec }; place in ROM_region { readonly }; place in RAM_region { readwrite, block STACKHEAP }; place in RAM2aRet_SHARED_region { first section MAPPING_TABLE}; place in RAM2aRet_SHARED_region { section MB_MEM1}; place in RAM2b_SHARED_region { section MB_MEM2};