nios2: add missing linker script
Got lost in the .gitignore when these files had .cmd extension. Change-Id: I8a8d51014b621026b739525f3f9a3e8a20cb5ad0 Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie
Benjamin Walsh
parent
7f7337a0fe
commit
352f853803
1 changed files with 227 additions and 0 deletions
227
include/arch/nios2/linker.ld
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227
include/arch/nios2/linker.ld
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file
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* @brief Linker command/script file
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*
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* Linker script for the Nios II platform
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*/
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#define _LINKER
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#define _ASMLANGUAGE
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#include <autoconf.h>
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#include <sections.h>
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#include <linker-defs.h>
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#include <linker-tool.h>
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#define ROMABLE_REGION FLASH
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#define RAMABLE_REGION SRAM
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#define ROM_ADDR CONFIG_FLASH_BASE_ADDRESS
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#define ROM_SIZE CONFIG_FLASH_SIZE * 1K
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#define RAM_ADDR CONFIG_SRAM_BASE_ADDRESS
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#define RAM_SIZE CONFIG_SRAM_SIZE * 1K
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#define _DATA_IN_ROM __data_rom_start
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MEMORY
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{
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FLASH (rx) : ORIGIN = ROM_ADDR, LENGTH = ROM_SIZE
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SRAM (wx) : ORIGIN = RAM_ADDR, LENGTH = RAM_SIZE
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}
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SECTIONS
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{
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GROUP_START(ROMABLE_REGION)
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_image_rom_start = CONFIG_FLASH_BASE_ADDRESS;
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SECTION_PROLOGUE(_TEXT_SECTION_NAME,,)
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{
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_image_text_start = .;
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*(.text)
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*(".text.*")
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*(.gnu.linkonce.t.*)
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} GROUP_LINK_IN(ROMABLE_REGION)
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_image_text_end = .;
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#ifdef CONFIG_CPLUSPLUS
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SECTION_PROLOGUE(_CTOR_SECTION_NAME, ,)
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{
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/*
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* The compiler fills the constructor pointers table below, hence symbol
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* __CTOR_LIST__ must be aligned on 4 byte boundary.
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* To align with the C++ standard, the first elment of the array
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* contains the number of actual constructors. The last element is
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* NULL.
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*/
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. = ALIGN(4);
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__CTOR_LIST__ = .;
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LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
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KEEP(*(SORT_BY_NAME(".ctors*")))
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LONG(0)
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__CTOR_END__ = .;
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} GROUP_LINK_IN(ROMABLE_REGION)
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SECTION_PROLOGUE(init_array, (OPTIONAL),)
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{
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. = ALIGN(4);
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__init_array_start = .;
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KEEP(*(SORT_BY_NAME(".init_array*")))
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__init_array_end = .;
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} GROUP_LINK_IN(ROMABLE_REGION)
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#endif
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SECTION_PROLOGUE(devconfig, (OPTIONAL),)
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{
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__devconfig_start = .;
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*(".devconfig.*")
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KEEP(*(SORT_BY_NAME(".devconfig*")))
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__devconfig_end = .;
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} GROUP_LINK_IN(ROMABLE_REGION)
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SECTION_PROLOGUE(_RODATA_SECTION_NAME,,)
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{
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*(.rodata)
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*(".rodata.*")
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*(.gnu.linkonce.r.*)
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} GROUP_LINK_IN(ROMABLE_REGION)
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_image_rom_end = .;
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__data_rom_start = ALIGN(4); /* XIP imaged DATA ROM start addr */
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GROUP_END(ROMABLE_REGION)
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GROUP_START(RAMABLE_REGION)
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_gp = ALIGN(16) + 0x7ff0;
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PROVIDE(gp = _gp);
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SECTION_AT_PROLOGUE(_DATA_SECTION_NAME,,,_DATA_IN_ROM)
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{
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_image_ram_start = .;
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__data_ram_start = .;
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*(.data)
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*(".data.*")
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(initlevel, (OPTIONAL),)
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{
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DEVICE_INIT_SECTIONS()
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(_k_task_list, (OPTIONAL),)
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{
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_k_task_list_start = .;
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*(._k_task_list.public.*)
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*(._k_task_list.private.*)
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_k_task_list_idle_start = .;
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*(._k_task_list.idle.*)
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KEEP(*(SORT_BY_NAME("._k_task_list*")))
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_k_task_list_end = .;
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(_k_task_ptr, (OPTIONAL),)
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{
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_k_task_ptr_start = .;
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*(._k_task_ptr.public.*)
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*(._k_task_ptr.private.*)
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*(._k_task_ptr.idle.*)
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KEEP(*(SORT_BY_NAME("._k_task_ptr*")))
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_k_task_ptr_end = .;
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(_k_pipe_ptr, (OPTIONAL),)
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{
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_k_pipe_ptr_start = .;
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*(._k_pipe_ptr.public.*)
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*(._k_pipe_ptr.private.*)
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KEEP(*(SORT_BY_NAME("._k_pipe_ptr*")))
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_k_pipe_ptr_end = .;
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(_k_mem_map_ptr, (OPTIONAL),)
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{
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_k_mem_map_ptr_start = .;
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*(._k_mem_map_ptr.public.*)
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*(._k_mem_map_ptr.private.*)
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KEEP(*(SORT_BY_NAME("._k_mem_map_ptr*")))
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_k_mem_map_ptr_end = .;
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(_k_event_list, (OPTIONAL),)
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{
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_k_event_list_start = .;
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*(._k_event_list.event.*)
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KEEP(*(SORT_BY_NAME("._k_event_list*")))
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_k_event_list_end = .;
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} GROUP_LINK_IN(RAMABLE_REGION)
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__data_ram_end = .;
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SECTION_PROLOGUE(_BSS_SECTION_NAME,(NOLOAD),)
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{
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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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*(.bss)
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*(".bss.*")
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COMMON_SYMBOLS
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/*
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* As memory is cleared in words only, it is simpler to ensure the BSS
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* section ends on a 4 byte boundary. This wastes a maximum of 3 bytes.
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*/
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__bss_end = ALIGN(4);
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(_NOINIT_SECTION_NAME,(NOLOAD),)
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{
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/*
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* This section is used for non-initialized objects that
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* will not be cleared during the boot process.
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*/
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*(.noinit)
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*(".noinit.*")
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} GROUP_LINK_IN(RAMABLE_REGION)
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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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__bss_num_words = (__bss_end - __bss_start) >> 2;
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GROUP_END(RAMABLE_REGION)
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}
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/*
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* Round up number of words for DATA section to ensure that XIP copies the
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* entire data section. XIP copy is done in words only, so there may be up
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* to 3 extra bytes copied in next section (BSS). At run time, the XIP copy
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* is done first followed by clearing the BSS section.
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*/
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__data_size = (__data_ram_end - __data_ram_start);
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__data_num_words = (__data_size + 3) >> 2;
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