zephyr/samples/application_development/code_relocation_nocopy/linker_arm_nocopy.ld

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/*
* Copyright (c) 2022 Carlo Caione <ccaione@baylibre.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief Linker command/script file
*
* Linker script for the Cortex-M platforms.
*/
#include <zephyr/linker/sections.h>
#include <zephyr/devicetree.h>
#include <zephyr/linker/linker-defs.h>
#include <zephyr/linker/linker-tool.h>
#if defined(CONFIG_NORDIC_QSPI_NOR) && defined(CONFIG_SOC_NRF5340_CPUAPP)
/* On nRF5340, external flash is mapped in XIP region at 0x1000_0000. */
#define EXTFLASH_NODE DT_INST(0, nordic_qspi_nor)
#define EXTFLASH_ADDR 0x10000000
#define EXTFLASH_SIZE DT_PROP_OR(EXTFLASH_NODE, size_in_bytes, \
DT_PROP(EXTFLASH_NODE, size) / 8)
#elif defined(CONFIG_STM32_MEMMAP) && DT_NODE_EXISTS(DT_INST(0, st_stm32_ospi_nor))
/* On stm32 OSPI, external flash is mapped in XIP region at address given by the reg property. */
#define EXTFLASH_NODE DT_INST(0, st_stm32_ospi_nor)
#define EXTFLASH_ADDR DT_REG_ADDR(DT_INST(0, st_stm32_ospi_nor))
#define EXTFLASH_SIZE DT_REG_ADDR_BY_IDX(DT_INST(0, st_stm32_ospi_nor), 1)
#elif defined(CONFIG_STM32_MEMMAP) && DT_NODE_EXISTS(DT_INST(0, st_stm32_qspi_nor))
/* On stm32 QSPI, external flash is mapped in XIP region at address given by the reg property. */
#define EXTFLASH_NODE DT_INST(0, st_stm32_qspi_nor)
#define EXTFLASH_ADDR DT_REG_ADDR(DT_INST(0, st_stm32_qspi_nor))
#define EXTFLASH_SIZE DT_REG_ADDR_BY_IDX(DT_INST(0, st_stm32_qspi_nor), 1)
#elif defined(CONFIG_STM32_MEMMAP) && DT_NODE_EXISTS(DT_INST(0, st_stm32_xspi_nor))
/* On stm32 XSPI, external flash is mapped in XIP region at address given by the reg property. */
#define EXTFLASH_NODE DT_INST(0, st_stm32_xspi_nor)
#define EXTFLASH_ADDR DT_REG_ADDR(DT_INST(0, st_stm32_xspi_nor))
#define EXTFLASH_SIZE DT_REG_ADDR_BY_IDX(DT_INST(0, st_stm32_xspi_nor), 1)
#else
/*
* Add another fake portion of FLASH to simulate a secondary or external FLASH
* that we can do XIP from.
*/
#define EXTFLASH_ADDR 0x7000
#define EXTFLASH_SIZE (CONFIG_FLASH_SIZE * 1K - EXTFLASH_ADDR)
#endif
MEMORY
{
EXTFLASH (rx) : ORIGIN = EXTFLASH_ADDR, LENGTH = EXTFLASH_SIZE
}
#include <zephyr/arch/arm/cortex_m/scripts/linker.ld>