ARC: add linker script template for metware toolchain
Add linker script template for MWDT toolchain (linker-mwdt.ld) Move linker.ld to linker-gnu.ld (without changes) The "linker.ld" is wraper now. Signed-off-by: Wayne Ren <wei.ren@synopsys.com>
This commit is contained in:
Wayne Ren
Maureen Helm
parent
0227056066
commit
cc897a5198
3 changed files with 474 additions and 213 deletions
221
include/arch/arc/v2/linker-gnu.ld
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221
include/arch/arc/v2/linker-gnu.ld
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@ -0,0 +1,221 @@
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/*
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* Copyright (c) 2014-2015 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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* @brief Common parts of the linker scripts for the ARCv2/EM targets.
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*/
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#include <linker/sections.h>
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#include <linker/linker-defs.h>
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#include <linker/linker-tool.h>
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/* physical address of RAM */
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#ifdef CONFIG_HARVARD
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#define ROMABLE_REGION ICCM
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#define RAMABLE_REGION DCCM
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#else
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#if defined(CONFIG_XIP) && (FLASH_SIZE != 0)
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#define ROMABLE_REGION FLASH
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#define RAMABLE_REGION SRAM
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#else
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#define ROMABLE_REGION SRAM
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#define RAMABLE_REGION SRAM
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#endif
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#endif
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#ifdef CONFIG_ARC_MPU_ENABLE
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#if CONFIG_ARC_MPU_VER == 2
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#define MPU_MIN_SIZE 2048
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#elif CONFIG_ARC_MPU_VER == 3
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#define MPU_MIN_SIZE 32
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#endif
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#define MPU_MIN_SIZE_ALIGN . = ALIGN(MPU_MIN_SIZE );
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#if defined(CONFIG_MPU_REQUIRES_POWER_OF_TWO_ALIGNMENT)
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#define MPU_ALIGN(region_size) \
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. = ALIGN(MPU_MIN_SIZE); \
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. = ALIGN( 1 << LOG2CEIL(region_size))
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#else
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#define MPU_ALIGN(region_size) \
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. = ALIGN(MPU_MIN_SIZE)
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#endif
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#else
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#define MPU_MIN_SIZE_ALIGN
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#define MPU_ALIGN(region_size) . = ALIGN(4)
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#endif
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#if defined(CONFIG_XIP)
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#define _DATA_IN_ROM __data_rom_start
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#else
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#define _DATA_IN_ROM
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#endif
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OUTPUT_ARCH(arc)
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ENTRY(CONFIG_KERNEL_ENTRY)
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MEMORY {
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#ifdef FLASH_START
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FLASH (rx) : ORIGIN = FLASH_START, LENGTH = FLASH_SIZE
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#endif
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#ifdef ICCM_START
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ICCM (rwx) : ORIGIN = ICCM_START, LENGTH = ICCM_SIZE
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#endif
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#ifdef SRAM_START
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SRAM (rwx) : ORIGIN = SRAM_START, LENGTH = SRAM_SIZE
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#endif
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#ifdef DCCM_START
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DCCM (rw) : ORIGIN = DCCM_START, LENGTH = DCCM_SIZE
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#endif
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/* Used by and documented in include/linker/intlist.ld */
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IDT_LIST (wx) : ORIGIN = 0xFFFFF7FF, LENGTH = 2K
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}
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SECTIONS {
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#include <linker/rel-sections.ld>
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GROUP_START(ROMABLE_REGION)
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SECTION_PROLOGUE(_TEXT_SECTION_NAME,,ALIGN(1024)) {
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_image_rom_start = .;
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_image_text_start = .;
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/* Located in generated directory. This file is populated by calling
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* zephyr_linker_sources(ROM_START ...). This typically contains the vector
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* table and debug information.
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*/
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#include <snippets-rom-start.ld>
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*(.text)
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*(".text.*")
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*(.gnu.linkonce.t.*)
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#include <linker/kobject-text.ld>
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} GROUP_LINK_IN(ROMABLE_REGION)
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_image_text_end = .;
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_image_rodata_start = .;
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#include <linker/common-rom.ld>
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SECTION_PROLOGUE(_RODATA_SECTION_NAME,,) {
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KEEP(*(.openocd_dbg))
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KEEP(*(".openocd_dbg.*"))
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*(.rodata)
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*(".rodata.*")
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*(.gnu.linkonce.r.*)
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/* Located in generated directory. This file is populated by the
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* zephyr_linker_sources() Cmake function.
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*/
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#include <snippets-rodata.ld>
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#include <linker/kobject-rom.ld>
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} GROUP_LINK_IN(ROMABLE_REGION)
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#include <linker/cplusplus-rom.ld>
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_image_rodata_end = .;
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MPU_ALIGN(_image_rodata_end - _image_rom_start);
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_image_rom_end = .;
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_image_rom_size = _image_rom_end - _image_rom_start;
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GROUP_END(ROMABLE_REGION)
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GROUP_START(RAMABLE_REGION)
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#include <app_data_alignment.ld>
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/* Located in generated directory. This file is populated by the
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* zephyr_linker_sources() Cmake function.
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*/
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#include <snippets-ram-sections.ld>
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#if defined(CONFIG_USERSPACE)
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#define APP_SHARED_ALIGN MPU_MIN_SIZE_ALIGN
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#define SMEM_PARTITION_ALIGN MPU_ALIGN
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#include <app_smem.ld>
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_image_ram_start = _app_smem_start;
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_app_smem_size = _app_smem_end - _app_smem_start;
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_app_smem_rom_start = LOADADDR(_APP_SMEM_SECTION_NAME);
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#endif /* CONFIG_USERSPACE */
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SECTION_DATA_PROLOGUE(_BSS_SECTION_NAME,(NOLOAD),) {
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MPU_MIN_SIZE_ALIGN
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/*
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* For performance, BSS section is assumed to be 4 byte aligned and
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* a multiple of 4 bytes
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*/
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. = ALIGN(4);
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__bss_start = .;
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_image_ram_start = .;
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__kernel_ram_start = .;
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*(.bss)
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*(".bss.*")
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*(COMMON)
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*(".kernel_bss.*")
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/*
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* BSP clears this memory in words only and doesn't clear any
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* potential left over bytes.
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*/
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__bss_end = ALIGN(4);
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} GROUP_DATA_LINK_IN(RAMABLE_REGION, RAMABLE_REGION)
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#include <linker/common-noinit.ld>
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SECTION_DATA_PROLOGUE(_DATA_SECTION_NAME,,) {
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/* when XIP, .text is in ROM, but vector table must be at start of .data */
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__data_ram_start = .;
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*(.data)
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*(".data.*")
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*(".kernel.*")
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/* Located in generated directory. This file is populated by the
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* zephyr_linker_sources() Cmake function.
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*/
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#include <snippets-rwdata.ld>
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} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
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__data_rom_start = LOADADDR(_DATA_SECTION_NAME);
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#include <linker/common-ram.ld>
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#include <linker/kobject.ld>
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#include <linker/cplusplus-ram.ld>
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__data_ram_end = .;
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MPU_MIN_SIZE_ALIGN
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/* Define linker symbols */
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_image_ram_end = .;
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_end = .; /* end of image */
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__kernel_ram_end = .;
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__kernel_ram_size = __kernel_ram_end - __kernel_ram_start;
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GROUP_END(RAMABLE_REGION)
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/* Located in generated directory. This file is populated by the
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* zephyr_linker_sources() Cmake function.
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*/
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#include <snippets-sections.ld>
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#include <linker/debug-sections.ld>
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SECTION_PROLOGUE(.ARC.attributes, 0,)
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{
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KEEP(*(.ARC.attributes))
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KEEP(*(.gnu.attributes))
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}
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/DISCARD/ : { *(.note.GNU-stack) }
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}
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249
include/arch/arc/v2/linker-mwdt.ld
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249
include/arch/arc/v2/linker-mwdt.ld
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@ -0,0 +1,249 @@
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/*
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* Copyright (c) 2020 Synopsys.
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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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* @brief Common parts of the linker scripts for the ARCv2/EM targets.
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*/
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#include <linker/sections.h>
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#include <linker/linker-defs.h>
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#include <linker/linker-tool.h>
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/* physical address of RAM */
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#ifdef CONFIG_HARVARD
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#define ROMABLE_REGION ICCM
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#define RAMABLE_REGION DCCM
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#else
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#if defined(CONFIG_XIP) && (FLASH_SIZE != 0)
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#define ROMABLE_REGION FLASH
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#define RAMABLE_REGION SRAM
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#else
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#define ROMABLE_REGION SRAM
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#define RAMABLE_REGION SRAM
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#endif
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#endif
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#ifdef CONFIG_ARC_MPU_ENABLE
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#if CONFIG_ARC_MPU_VER == 2
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#define MPU_MIN_SIZE 2048
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#elif CONFIG_ARC_MPU_VER == 3
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#define MPU_MIN_SIZE 32
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#endif
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#define MPU_MIN_SIZE_ALIGN . = ALIGN(MPU_MIN_SIZE);
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#if defined(CONFIG_MPU_REQUIRES_POWER_OF_TWO_ALIGNMENT)
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#define MPU_REGION_SIZE(region_size) \
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(1 << LOG2CEIL(region_size))
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#else
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#define MPU_REGION_SIZE(region_size) \
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(region_size)
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#endif
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#else
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#define MPU_MIN_SIZE_ALIGN
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#define MPU_REGION_SIZE(region_size) \
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(region_size)
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#endif
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#if defined(CONFIG_XIP)
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#define _DATA_IN_ROM __data_rom_start
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#else
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#define _DATA_IN_ROM
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#endif
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ENTRY(CONFIG_KERNEL_ENTRY)
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MEMORY {
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#ifdef FLASH_START
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FLASH : ORIGIN = FLASH_START, LENGTH = FLASH_SIZE
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#endif
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#ifdef ICCM_START
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ICCM : ORIGIN = ICCM_START, LENGTH = ICCM_SIZE
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#endif
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#ifdef SRAM_START
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SRAM : ORIGIN = SRAM_START, LENGTH = SRAM_SIZE
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#endif
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#ifdef DCCM_START
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DCCM : ORIGIN = DCCM_START, LENGTH = DCCM_SIZE
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#endif
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/* Used by and documented in include/linker/intlist.ld */
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IDT_LIST : ORIGIN = 0xFFFFF800, LENGTH = 2K
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}
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SECTIONS {
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GROUP_START(ROMABLE_REGION)
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SECTION_PROLOGUE(_TEXT_SECTION_NAME,,ALIGN(1024)) {
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_image_rom_start = .;
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_image_text_start = .;
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/* Located in generated directory. This file is populated by the
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* zephyr_linker_sources() Cmake function.
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*/
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#include <snippets-rom-start.ld>
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*(".text")
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*(".text*")
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*(".text.*")
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#ifdef CONFIG_USERSPACE
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/* to make sure .kobject_data.text occupies a fixed hole, we use the trick
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* of ALIGN here with a cost of memfoort print. If assigning program counter
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* with an identifier is supported, this trick can be removed
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*/
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. = ALIGN(CONFIG_KOBJECT_TEXT_AREA);
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_kobject_text_area_start = .;
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*(".kobject_data.text*")
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_kobject_text_area_end = .;
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_kobject_text_area_used = _kobject_text_area_end - _kobject_text_area_start;
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#ifndef LINKER_PASS2
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. = ALIGN(4);
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#ifdef CONFIG_DYNAMIC_OBJECTS
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PROVIDE(z_object_gperf_find = .);
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PROVIDE(z_object_gperf_wordlist_foreach = .);
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#else
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PROVIDE(z_object_find = .);
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PROVIDE(z_object_wordlist_foreach = .);
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#endif
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. = . + CONFIG_KOBJECT_TEXT_AREA;
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#endif
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. = ALIGN(CONFIG_KOBJECT_TEXT_AREA);
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#endif /* CONFIG_USERSPACE */
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_image_text_end = .;
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_image_rodata_start = .;
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} GROUP_LINK_IN(ROMABLE_REGION)
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#include <linker/common-rom.ld>
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SECTION_PROLOGUE(_RODATA_SECTION_NAME,,) {
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KEEP(*(.openocd_dbg))
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KEEP(*(".openocd_dbg.*"))
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*(".rodata")
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*(".rodata.*")
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/* Located in generated directory. This file is populated by the
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* zephyr_linker_sources() Cmake function.
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*/
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#include <snippets-rodata.ld>
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#include <linker/kobject-rom.ld>
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#if defined (CONFIG_CPLUSPLUS)
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/* \todo: add mwdt c++ sections */
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#endif
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_image_rodata_end = .;
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MPU_MIN_SIZE_ALIGN
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_image_rom_end = _image_rom_start + MPU_REGION_SIZE(. - _image_rom_start);
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_image_rom_size = _image_rom_end - _image_rom_start;
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} GROUP_LINK_IN(ROMABLE_REGION)
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GROUP_END(ROMABLE_REGION)
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GROUP_START(RAMABLE_REGION)
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/* Located in generated directory. This file is populated by the
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* zephyr_linker_sources() Cmake function.
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*/
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#include <snippets-ram-sections.ld>
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#if defined(CONFIG_USERSPACE)
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/*
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* because the linker of metware toolchain is strong as gcc's linker,
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* e.g., the limitation on . operator, no LOG2CEIL, so for MPU wiht power of 2
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* requirement, the alignment of app smem is fixed to MPU_MIN_SIZE which
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* is not a correct value for partition with size > MPU_MIN_SIZE.
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||||||
|
*/
|
||||||
|
#define APP_SHARED_ALIGN . = ALIGN(MPU_MIN_SIZE)
|
||||||
|
#define SMEM_PARTITION_ALIGN(x) . = ALIGN(MPU_MIN_SIZE)
|
||||||
|
|
||||||
|
#include <app_smem.ld>
|
||||||
|
|
||||||
|
_image_ram_start = _app_smem_start;
|
||||||
|
_app_smem_size = _app_smem_end - _app_smem_start;
|
||||||
|
_app_smem_rom_start = LOADADDR(_APP_SMEM_SECTION_NAME);
|
||||||
|
#endif /* CONFIG_USERSPACE */
|
||||||
|
|
||||||
|
SECTION_DATA_PROLOGUE(_BSS_SECTION_NAME,(NOLOAD),) {
|
||||||
|
MPU_MIN_SIZE_ALIGN
|
||||||
|
/*
|
||||||
|
* For performance, BSS section is assumed to be 4 byte aligned and
|
||||||
|
* a multiple of 4 bytes
|
||||||
|
*/
|
||||||
|
. = ALIGN(4);
|
||||||
|
__bss_start = .;
|
||||||
|
_image_ram_start = .;
|
||||||
|
__kernel_ram_start = .;
|
||||||
|
*(".bss")
|
||||||
|
*(".bss.*")
|
||||||
|
*(COMMON)
|
||||||
|
*(".kernel_bss.*")
|
||||||
|
|
||||||
|
/*
|
||||||
|
* BSP clears this memory in words only and doesn't clear any
|
||||||
|
* potential left over bytes.
|
||||||
|
*/
|
||||||
|
__bss_end = ALIGN(4);
|
||||||
|
} GROUP_DATA_LINK_IN(RAMABLE_REGION, RAMABLE_REGION)
|
||||||
|
|
||||||
|
#include <linker/common-noinit.ld>
|
||||||
|
|
||||||
|
SECTION_DATA_PROLOGUE(_DATA_SECTION_NAME,,) {
|
||||||
|
|
||||||
|
/* when XIP, .text is in ROM, but vector table must be at start of .data */
|
||||||
|
__data_ram_start = .;
|
||||||
|
*(".data")
|
||||||
|
*(".data.*")
|
||||||
|
*(".kernel.*")
|
||||||
|
|
||||||
|
/* Located in generated directory. This file is populated by the
|
||||||
|
* zephyr_linker_sources() Cmake function.
|
||||||
|
*/
|
||||||
|
#include <snippets-rwdata.ld>
|
||||||
|
|
||||||
|
} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
|
||||||
|
|
||||||
|
__data_rom_start = LOADADDR(_DATA_SECTION_NAME);
|
||||||
|
|
||||||
|
#include <linker/common-ram.ld>
|
||||||
|
#include <linker/kobject.ld>
|
||||||
|
#if defined (CONFIG_CPLUSPLUS)
|
||||||
|
/* \todo add mwdt specific c++ sections */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* an empty region to hold symbols, mwdt does not support of setting .
|
||||||
|
* outside sections
|
||||||
|
*/
|
||||||
|
SECTION_DATA_PROLOGUE(_mwdt_ram_end,,) {
|
||||||
|
__data_ram_end = .;
|
||||||
|
MPU_MIN_SIZE_ALIGN
|
||||||
|
/* Define linker symbols */
|
||||||
|
_image_ram_end = .;
|
||||||
|
_end = .; /* end of image */
|
||||||
|
|
||||||
|
__kernel_ram_end = .;
|
||||||
|
__kernel_ram_size = __kernel_ram_end - __kernel_ram_start;
|
||||||
|
/* mwdt requires _fstack, _estack which will be used in _stkchk.
|
||||||
|
* _stkchk is inserted by mwdt automatically, if _fstack, _estack is not
|
||||||
|
* set correctly, the brk_s instruction will be called
|
||||||
|
* here, we use a trick to deceive the compiler.
|
||||||
|
*/
|
||||||
|
_fstack = _image_ram_start;
|
||||||
|
_estack = .;
|
||||||
|
|
||||||
|
} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
|
||||||
|
|
||||||
|
GROUP_END(RAMABLE_REGION)
|
||||||
|
|
||||||
|
/* Located in generated directory. This file is populated by the
|
||||||
|
* zephyr_linker_sources() Cmake function.
|
||||||
|
*/
|
||||||
|
#include <snippets-sections.ld>
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -1,221 +1,12 @@
|
||||||
/*
|
/*
|
||||||
* Copyright (c) 2014-2015 Wind River Systems, Inc.
|
* Copyright (c) 2020 Synopsys.
|
||||||
*
|
*
|
||||||
* SPDX-License-Identifier: Apache-2.0
|
* SPDX-License-Identifier: Apache-2.0
|
||||||
*/
|
*/
|
||||||
|
|
||||||
/**
|
|
||||||
* @brief Common parts of the linker scripts for the ARCv2/EM targets.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <linker/sections.h>
|
#if defined(__MWDT_LINKER_CMD__)
|
||||||
#include <linker/linker-defs.h>
|
#include <arch/arc/v2/linker-mwdt.ld>
|
||||||
#include <linker/linker-tool.h>
|
|
||||||
|
|
||||||
/* physical address of RAM */
|
|
||||||
#ifdef CONFIG_HARVARD
|
|
||||||
#define ROMABLE_REGION ICCM
|
|
||||||
#define RAMABLE_REGION DCCM
|
|
||||||
#else
|
#else
|
||||||
#if defined(CONFIG_XIP) && (FLASH_SIZE != 0)
|
#include <arch/arc/v2/linker-gnu.ld>
|
||||||
#define ROMABLE_REGION FLASH
|
|
||||||
#define RAMABLE_REGION SRAM
|
|
||||||
#else
|
|
||||||
#define ROMABLE_REGION SRAM
|
|
||||||
#define RAMABLE_REGION SRAM
|
|
||||||
#endif
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef CONFIG_ARC_MPU_ENABLE
|
|
||||||
#if CONFIG_ARC_MPU_VER == 2
|
|
||||||
#define MPU_MIN_SIZE 2048
|
|
||||||
#elif CONFIG_ARC_MPU_VER == 3
|
|
||||||
#define MPU_MIN_SIZE 32
|
|
||||||
#endif
|
|
||||||
#define MPU_MIN_SIZE_ALIGN . = ALIGN(MPU_MIN_SIZE );
|
|
||||||
#if defined(CONFIG_MPU_REQUIRES_POWER_OF_TWO_ALIGNMENT)
|
|
||||||
#define MPU_ALIGN(region_size) \
|
|
||||||
. = ALIGN(MPU_MIN_SIZE); \
|
|
||||||
. = ALIGN( 1 << LOG2CEIL(region_size))
|
|
||||||
#else
|
|
||||||
#define MPU_ALIGN(region_size) \
|
|
||||||
. = ALIGN(MPU_MIN_SIZE)
|
|
||||||
#endif
|
|
||||||
#else
|
|
||||||
#define MPU_MIN_SIZE_ALIGN
|
|
||||||
#define MPU_ALIGN(region_size) . = ALIGN(4)
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#if defined(CONFIG_XIP)
|
|
||||||
#define _DATA_IN_ROM __data_rom_start
|
|
||||||
#else
|
|
||||||
#define _DATA_IN_ROM
|
|
||||||
#endif
|
|
||||||
|
|
||||||
OUTPUT_ARCH(arc)
|
|
||||||
ENTRY(CONFIG_KERNEL_ENTRY)
|
|
||||||
|
|
||||||
MEMORY {
|
|
||||||
#ifdef FLASH_START
|
|
||||||
FLASH (rx) : ORIGIN = FLASH_START, LENGTH = FLASH_SIZE
|
|
||||||
#endif
|
|
||||||
#ifdef ICCM_START
|
|
||||||
ICCM (rwx) : ORIGIN = ICCM_START, LENGTH = ICCM_SIZE
|
|
||||||
#endif
|
|
||||||
#ifdef SRAM_START
|
|
||||||
SRAM (rwx) : ORIGIN = SRAM_START, LENGTH = SRAM_SIZE
|
|
||||||
#endif
|
|
||||||
#ifdef DCCM_START
|
|
||||||
DCCM (rw) : ORIGIN = DCCM_START, LENGTH = DCCM_SIZE
|
|
||||||
#endif
|
|
||||||
/* Used by and documented in include/linker/intlist.ld */
|
|
||||||
IDT_LIST (wx) : ORIGIN = 0xFFFFF7FF, LENGTH = 2K
|
|
||||||
}
|
|
||||||
|
|
||||||
SECTIONS {
|
|
||||||
|
|
||||||
#include <linker/rel-sections.ld>
|
|
||||||
|
|
||||||
GROUP_START(ROMABLE_REGION)
|
|
||||||
|
|
||||||
SECTION_PROLOGUE(_TEXT_SECTION_NAME,,ALIGN(1024)) {
|
|
||||||
_image_rom_start = .;
|
|
||||||
_image_text_start = .;
|
|
||||||
|
|
||||||
/* Located in generated directory. This file is populated by calling
|
|
||||||
* zephyr_linker_sources(ROM_START ...). This typically contains the vector
|
|
||||||
* table and debug information.
|
|
||||||
*/
|
|
||||||
#include <snippets-rom-start.ld>
|
|
||||||
|
|
||||||
*(.text)
|
|
||||||
*(".text.*")
|
|
||||||
*(.gnu.linkonce.t.*)
|
|
||||||
|
|
||||||
#include <linker/kobject-text.ld>
|
|
||||||
} GROUP_LINK_IN(ROMABLE_REGION)
|
|
||||||
|
|
||||||
_image_text_end = .;
|
|
||||||
_image_rodata_start = .;
|
|
||||||
|
|
||||||
#include <linker/common-rom.ld>
|
|
||||||
|
|
||||||
SECTION_PROLOGUE(_RODATA_SECTION_NAME,,) {
|
|
||||||
KEEP(*(.openocd_dbg))
|
|
||||||
KEEP(*(".openocd_dbg.*"))
|
|
||||||
*(.rodata)
|
|
||||||
*(".rodata.*")
|
|
||||||
*(.gnu.linkonce.r.*)
|
|
||||||
|
|
||||||
/* Located in generated directory. This file is populated by the
|
|
||||||
* zephyr_linker_sources() Cmake function.
|
|
||||||
*/
|
|
||||||
#include <snippets-rodata.ld>
|
|
||||||
|
|
||||||
#include <linker/kobject-rom.ld>
|
|
||||||
|
|
||||||
} GROUP_LINK_IN(ROMABLE_REGION)
|
|
||||||
|
|
||||||
#include <linker/cplusplus-rom.ld>
|
|
||||||
|
|
||||||
_image_rodata_end = .;
|
|
||||||
MPU_ALIGN(_image_rodata_end - _image_rom_start);
|
|
||||||
_image_rom_end = .;
|
|
||||||
_image_rom_size = _image_rom_end - _image_rom_start;
|
|
||||||
|
|
||||||
GROUP_END(ROMABLE_REGION)
|
|
||||||
|
|
||||||
GROUP_START(RAMABLE_REGION)
|
|
||||||
|
|
||||||
#include <app_data_alignment.ld>
|
|
||||||
|
|
||||||
/* Located in generated directory. This file is populated by the
|
|
||||||
* zephyr_linker_sources() Cmake function.
|
|
||||||
*/
|
|
||||||
#include <snippets-ram-sections.ld>
|
|
||||||
|
|
||||||
#if defined(CONFIG_USERSPACE)
|
|
||||||
#define APP_SHARED_ALIGN MPU_MIN_SIZE_ALIGN
|
|
||||||
#define SMEM_PARTITION_ALIGN MPU_ALIGN
|
|
||||||
|
|
||||||
#include <app_smem.ld>
|
|
||||||
|
|
||||||
_image_ram_start = _app_smem_start;
|
|
||||||
_app_smem_size = _app_smem_end - _app_smem_start;
|
|
||||||
_app_smem_rom_start = LOADADDR(_APP_SMEM_SECTION_NAME);
|
|
||||||
#endif /* CONFIG_USERSPACE */
|
|
||||||
|
|
||||||
SECTION_DATA_PROLOGUE(_BSS_SECTION_NAME,(NOLOAD),) {
|
|
||||||
MPU_MIN_SIZE_ALIGN
|
|
||||||
/*
|
|
||||||
* For performance, BSS section is assumed to be 4 byte aligned and
|
|
||||||
* a multiple of 4 bytes
|
|
||||||
*/
|
|
||||||
. = ALIGN(4);
|
|
||||||
__bss_start = .;
|
|
||||||
_image_ram_start = .;
|
|
||||||
__kernel_ram_start = .;
|
|
||||||
*(.bss)
|
|
||||||
*(".bss.*")
|
|
||||||
*(COMMON)
|
|
||||||
*(".kernel_bss.*")
|
|
||||||
|
|
||||||
/*
|
|
||||||
* BSP clears this memory in words only and doesn't clear any
|
|
||||||
* potential left over bytes.
|
|
||||||
*/
|
|
||||||
__bss_end = ALIGN(4);
|
|
||||||
} GROUP_DATA_LINK_IN(RAMABLE_REGION, RAMABLE_REGION)
|
|
||||||
|
|
||||||
#include <linker/common-noinit.ld>
|
|
||||||
|
|
||||||
SECTION_DATA_PROLOGUE(_DATA_SECTION_NAME,,) {
|
|
||||||
|
|
||||||
/* when XIP, .text is in ROM, but vector table must be at start of .data */
|
|
||||||
__data_ram_start = .;
|
|
||||||
*(.data)
|
|
||||||
*(".data.*")
|
|
||||||
*(".kernel.*")
|
|
||||||
|
|
||||||
/* Located in generated directory. This file is populated by the
|
|
||||||
* zephyr_linker_sources() Cmake function.
|
|
||||||
*/
|
|
||||||
#include <snippets-rwdata.ld>
|
|
||||||
|
|
||||||
} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
|
|
||||||
|
|
||||||
__data_rom_start = LOADADDR(_DATA_SECTION_NAME);
|
|
||||||
|
|
||||||
#include <linker/common-ram.ld>
|
|
||||||
#include <linker/kobject.ld>
|
|
||||||
#include <linker/cplusplus-ram.ld>
|
|
||||||
|
|
||||||
__data_ram_end = .;
|
|
||||||
|
|
||||||
MPU_MIN_SIZE_ALIGN
|
|
||||||
|
|
||||||
/* Define linker symbols */
|
|
||||||
_image_ram_end = .;
|
|
||||||
_end = .; /* end of image */
|
|
||||||
|
|
||||||
__kernel_ram_end = .;
|
|
||||||
__kernel_ram_size = __kernel_ram_end - __kernel_ram_start;
|
|
||||||
|
|
||||||
GROUP_END(RAMABLE_REGION)
|
|
||||||
|
|
||||||
/* Located in generated directory. This file is populated by the
|
|
||||||
* zephyr_linker_sources() Cmake function.
|
|
||||||
*/
|
|
||||||
#include <snippets-sections.ld>
|
|
||||||
|
|
||||||
#include <linker/debug-sections.ld>
|
|
||||||
|
|
||||||
|
|
||||||
SECTION_PROLOGUE(.ARC.attributes, 0,)
|
|
||||||
{
|
|
||||||
KEEP(*(.ARC.attributes))
|
|
||||||
KEEP(*(.gnu.attributes))
|
|
||||||
}
|
|
||||||
|
|
||||||
/DISCARD/ : { *(.note.GNU-stack) }
|
|
||||||
}
|
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue