/* 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     = 73; /* 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 };