162 lines
3.2 KiB
Plaintext
162 lines
3.2 KiB
Plaintext
/*
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* Copyright (c) 2016-2017 Jean-Paul Etienne <fractalclone@gmail.com>
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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 Linker command/script file
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*
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* Generic Linker script for the riscv32 platform
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*/
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#define _LINKER
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#define _ASMLANGUAGE
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#include <soc.h>
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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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#ifdef CONFIG_XIP
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#define ROMABLE_REGION ROM
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#else
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#define ROMABLE_REGION RAM
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#endif
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#define RAMABLE_REGION RAM
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#define _VECTOR_SECTION_NAME vector
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#define _EXCEPTION_SECTION_NAME exceptions
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#define _RESET_SECTION_NAME reset
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MEMORY
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{
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ROM (rx) : ORIGIN = CONFIG_RISCV_ROM_BASE_ADDR, LENGTH = CONFIG_RISCV_ROM_SIZE
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RAM (rwx) : ORIGIN = CONFIG_RISCV_RAM_BASE_ADDR, LENGTH = RISCV_RAM_SIZE
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}
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SECTIONS
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{
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GROUP_START(ROM)
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_image_rom_start = .;
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SECTION_PROLOGUE(_VECTOR_SECTION_NAME,,)
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{
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. = ALIGN(4);
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KEEP(*(.vectors.*))
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} GROUP_LINK_IN(ROM)
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GROUP_END(ROM)
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GROUP_START(ROMABLE_REGION)
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SECTION_PROLOGUE(_RESET_SECTION_NAME,,)
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{
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KEEP(*(.reset.*))
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} GROUP_LINK_IN(ROMABLE_REGION)
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SECTION_PROLOGUE(_EXCEPTION_SECTION_NAME,,)
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{
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KEEP(*(".exception.entry.*"))
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*(".exception.other.*")
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} GROUP_LINK_IN(ROMABLE_REGION)
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SECTION_PROLOGUE(_TEXT_SECTION_NAME,,)
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{
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. = ALIGN(4);
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KEEP(*(.isr_irq*))
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/* sections for IRQ0-9 */
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KEEP(*(SORT(.gnu.linkonce.isr_irq[0-9])))
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/* sections for IRQ10-99 */
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KEEP(*(SORT(.gnu.linkonce.isr_irq[0-9][0-9])))
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/* sections for IRQ100-999 */
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KEEP(*(SORT(.gnu.linkonce.isr_irq[0-9][0-9][0-9])))
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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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#include <linker/common-rom.ld>
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SECTION_PROLOGUE(_RODATA_SECTION_NAME,,)
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{
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. = ALIGN(4);
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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 = .;
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GROUP_END(ROMABLE_REGION)
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GROUP_START(RAMABLE_REGION)
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SECTION_DATA_PROLOGUE(_DATA_SECTION_NAME,,)
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{
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. = ALIGN(4);
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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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*(.sdata .sdata.* .gnu.linkonce.s.*)
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*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
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} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
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#include <linker/common-ram.ld>
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__data_ram_end = .;
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SECTION_DATA_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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*(.sbss)
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*(".sbss.*")
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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_DATA_LINK_IN(RAMABLE_REGION, 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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_image_ram_end = .;
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_end = .; /* end of image */
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GROUP_END(RAMABLE_REGION)
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}
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