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arch: microblaze: Linker: add linker script and define output format
Internal references: FWRIVERHD-4980,FWRIVERHD-4989 Signed-off-by: Alp Sayin <alpsayin@gmail.com>
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‎include/zephyr/arch/microblaze/linker.ld

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/*
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* Copyright (c) 2023 Advanced Micro Devices, Inc. (AMD)
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* Copyright (c) 2023 Alp Sayin <alpsayin@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/linker/sections.h>
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#include <zephyr/linker/linker-defs.h>
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#include <zephyr/linker/linker-tool.h>
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#include <layout.h>
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/* These sections are specific to this CPU */
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#define _EXCEPTION_SECTION_NAME exceptions
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#define _RESET_SECTION_NAME reset
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#define ROMABLE_REGION app_ram
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#define RAMABLE_REGION app_ram
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ENTRY(CONFIG_KERNEL_ENTRY)
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#if CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE != 0
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_HEAP_SIZE = CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE;
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#else
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_HEAP_SIZE = 32K;
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#endif
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SECTIONS
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{
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#include <zephyr/linker/rel-sections.ld>
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SECTION_PROLOGUE(.text,,)
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{
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/* microblaze vectors from 0x0 to 0x50 */
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__mb_vectors = .;
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KEEP (*(.vectors.reset))
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. = __mb_vectors + 0x8;
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KEEP (*(.vectors.sw_exception))
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. = __mb_vectors + 0x10;
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KEEP (*(.vectors.interrupt))
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. = __mb_vectors + 0x20;
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KEEP (*(.vectors.hw_exception))
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/* code */
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. = __mb_vectors + 0x50;
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__text_region_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(RAMABLE_REGION)
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__text_region_end = .;
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__text_region_size = __text_region_end - __text_region_start;
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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(.note.gnu.build-id,,)
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{
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KEEP (*(.note.gnu.build-id))
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} GROUP_LINK_IN(ROMABLE_REGION)
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SECTION_PROLOGUE(.init,,)
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{
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KEEP (*(.init))
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} GROUP_LINK_IN(ROMABLE_REGION)
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SECTION_PROLOGUE(.fini,,)
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{
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KEEP (*(.fini))
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} GROUP_LINK_IN(ROMABLE_REGION)
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__rodata_region_start = .;
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#include <zephyr/linker/common-rom.ld>
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#include <zephyr/linker/thread-local-storage.ld>
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#include <zephyr/linker/cplusplus-rom.ld>
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SECTION_PROLOGUE(.rodata,,)
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{
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. = ALIGN(4);
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__rodata_start = .;
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*(.rodata)
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*(.rodata.*)
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*(.gnu.linkonce.r.*)
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#include <snippets-rodata.ld>
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} GROUP_LINK_IN(ROMABLE_REGION)
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#include <zephyr/linker/cplusplus-rom.ld>
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#ifdef CONFIG_CPLUSPLUS
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.dtors : {
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__DTOR_LIST__ = .;
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___DTORS_LIST___ = .;
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KEEP (*crtbegin.o(.dtors))
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KEEP (*(EXCLUDE_FILE(*crtend.o) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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PROVIDE(__DTOR_END__ = .);
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PROVIDE(___DTORS_END___ = .);
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} > app_ram
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#endif
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__rodata_end = .;
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__rodata_region_end = .;
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__rodata_region_size = __rodata_region_end - __rodata_region_start;
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SECTION_PROLOGUE(.sdata2,,)
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{
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. = ALIGN(4);
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__sdata2_start = .;
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*( .sdata2)
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*(.sdata2.*)
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*(.gnu.linkonce.s2.*)
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. = ALIGN(4);
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__sdata2_end = .;
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} GROUP_LINK_IN(RAMABLE_REGION)
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#include <zephyr/linker/common-ram.ld>
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SECTION_PROLOGUE(.data,,)
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{
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. = ALIGN(4);
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__data_start = .;
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*(.data)
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*(.data.*)
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#include <snippets-rwdata.ld>
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*(.gnu.linkonce.d.*)
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. = ALIGN(4);
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#include <snippets-ram-sections.ld>
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} GROUP_LINK_IN(RAMABLE_REGION)
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#include <snippets-data-sections.ld>
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__data_end = .;
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__data_size = __data_end - __data_start;
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#include <zephyr/linker/cplusplus-ram.ld>
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SECTION_PROLOGUE(.got,,)
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{
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. = ALIGN(4);
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*(.got)
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(.got1,,)
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{
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. = ALIGN(4);
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*(.got1)
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(.got2,,)
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{
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. = ALIGN(4);
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*(.got2)
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(.jcr,,)
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{
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. = ALIGN(4);
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*(.jcr)
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(.sdata,,)
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{
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. = ALIGN(4);
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__sdata_start = .;
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*(.sdata)
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*(.sdata.*)
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*(.gnu.linkonce.s.*)
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__sdata_end = .;
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(.sbss (NOLOAD),,)
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{
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. = ALIGN(4);
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__sbss_start = .;
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*(.sbss)
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*(.sbss.*)
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*(.gnu.linkonce.sb.*)
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. = ALIGN(4);
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__sbss_end = .;
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} GROUP_LINK_IN(RAMABLE_REGION)
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_gp = (__sbss_end + __sdata_start) / 2;
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PROVIDE(gp = _gp);
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SECTION_PROLOGUE(.tdata,,)
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{
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. = ALIGN(4);
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__tdata_start = .;
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*(.tdata)
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*(.tdata.*)
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*(.gnu.linkonce.td.*)
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__tdata_end = .;
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(.tbss,,)
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{
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. = ALIGN(4);
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__tbss_start = .;
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*(.tbss)
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*(.tbss.*)
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*(.gnu.linkonce.tb.*)
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__tbss_end = .;
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} GROUP_LINK_IN(RAMABLE_REGION)
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SECTION_PROLOGUE(.bss (NOLOAD),,)
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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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*(.gnu.linkonce.b.*)
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*(COMMON)
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. = ALIGN(4);
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__bss_end = .;
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} GROUP_LINK_IN(RAMABLE_REGION)
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_SDA_BASE_ = __sdata_start + ((__sbss_end - __sdata_start) / 2 );
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_SDA2_BASE_ = __sdata2_start + ((__sdata2_end - __sdata2_start) / 2 );
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#include <zephyr/linker/common-noinit.ld>
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#ifdef CONFIG_GEN_ISR_TABLES
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#include <zephyr/linker/intlist.ld>
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#endif
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#include <snippets-sections.ld>
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#include <zephyr/linker/debug-sections.ld>
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SECTION_PROLOGUE(.heap (NOLOAD),,)
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{
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. += _HEAP_SIZE;
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. = ALIGN(4);
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} GROUP_LINK_IN(RAMABLE_REGION)
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_end = .;
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}

‎include/zephyr/linker/linker-tool-gcc.h

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/* Not needed */
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#elif defined(CONFIG_MIPS)
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OUTPUT_ARCH("mips")
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#elif defined(CONFIG_MICROBLAZE)
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OUTPUT_FORMAT("elf32-microblaze")
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#elif defined(CONFIG_ARCH_POSIX)
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/* Not needed */
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#elif defined(CONFIG_SPARC)

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