10532a5310
Add support for backup SRAM initialization found in multiple STM32 microcontrollers. Linker script facilities are also provided to make it easy to define variables in the backup SRAM. Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*
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* Copyright (c) 2013-2014, Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief Definitions of various linker Sections.
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*
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* Linker Section declarations used by linker script, C files and Assembly
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* files.
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*/
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#ifndef ZEPHYR_INCLUDE_LINKER_SECTIONS_H_
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#define ZEPHYR_INCLUDE_LINKER_SECTIONS_H_
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#define _TEXT_SECTION_NAME text
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#define _RODATA_SECTION_NAME rodata
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#define _CTOR_SECTION_NAME ctors
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/* Linker issue with XIP where the name "data" cannot be used */
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#define _DATA_SECTION_NAME datas
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#define _BSS_SECTION_NAME bss
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#define _NOINIT_SECTION_NAME noinit
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#define _APP_SMEM_SECTION_NAME app_smem
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#define _APP_DATA_SECTION_NAME app_datas
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#define _APP_BSS_SECTION_NAME app_bss
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#define _APP_NOINIT_SECTION_NAME app_noinit
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#define _UNDEFINED_SECTION_NAME undefined
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/* Interrupts */
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#define _IRQ_VECTOR_TABLE_SECTION_NAME .gnu.linkonce.irq_vector_table
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#define _IRQ_VECTOR_TABLE_SECTION_SYMS .gnu.linkonce.irq_vector_table*
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#define _SW_ISR_TABLE_SECTION_NAME .gnu.linkonce.sw_isr_table
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#define _SW_ISR_TABLE_SECTION_SYMS .gnu.linkonce.sw_isr_table*
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/* Architecture-specific sections */
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#if defined(CONFIG_ARM)
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#define _KINETIS_FLASH_CONFIG_SECTION_NAME kinetis_flash_config
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#define _TI_CCFG_SECTION_NAME .ti_ccfg
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#define _CCM_DATA_SECTION_NAME .ccm_data
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#define _CCM_BSS_SECTION_NAME .ccm_bss
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#define _CCM_NOINIT_SECTION_NAME .ccm_noinit
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#define _ITCM_SECTION_NAME .itcm
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#define _DTCM_DATA_SECTION_NAME .dtcm_data
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#define _DTCM_BSS_SECTION_NAME .dtcm_bss
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#define _DTCM_NOINIT_SECTION_NAME .dtcm_noinit
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#endif
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#define _IMX_BOOT_CONF_SECTION_NAME .boot_hdr.conf
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#define _IMX_BOOT_DATA_SECTION_NAME .boot_hdr.data
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#define _IMX_BOOT_IVT_SECTION_NAME .boot_hdr.ivt
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#define _IMX_BOOT_DCD_SECTION_NAME .boot_hdr.dcd_data
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#define _STM32_SDRAM1_SECTION_NAME .stm32_sdram1
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#define _STM32_SDRAM2_SECTION_NAME .stm32_sdram2
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#define _STM32_BACKUP_SRAM_SECTION_NAME .stm32_backup_sram
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#ifdef CONFIG_NOCACHE_MEMORY
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#define _NOCACHE_SECTION_NAME nocache
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#endif
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/* Short section references for use in ASM files */
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#if defined(_ASMLANGUAGE)
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/* Various text section names */
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#define TEXT text
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#if defined(CONFIG_X86)
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#define TEXT_START text_start /* beginning of TEXT section */
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#else
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#define TEXT_START text /* beginning of TEXT section */
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#endif
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/* Various data type section names */
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#define BSS bss
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#define RODATA rodata
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#define DATA data
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#define NOINIT noinit
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#endif /* _ASMLANGUAGE */
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#include <linker/section_tags.h>
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#endif /* ZEPHYR_INCLUDE_LINKER_SECTIONS_H_ */
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