blob: 6d52100db752ab2e1354aea88db0fbdd57fcaa92 [file] [log] [blame]
/*
* Copyright (c) 2023 Espressif Systems (Shanghai) Co., Ltd.
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief Linker command/script file
*
* Linker script for the MCUboot on Xtensa platform.
*/
#include <zephyr/devicetree.h>
#include <zephyr/linker/sections.h>
#include <zephyr/linker/linker-defs.h>
#include <zephyr/linker/linker-tool.h>
#ifdef CONFIG_XIP
#error "Xtensa bootloader cannot use XIP"
#endif /* CONFIG_XIP */
/* Disable all romable LMA */
#udef GROUP_DATA_LINK_IN
#define GROUP_DATA_LINK_IN(vregion, lregion) > vregion
#define RAMABLE_REGION dram_seg
#define RAMABLE_REGION_1 dram_seg
#define RODATA_REGION dram_seg
#define ROMABLE_REGION dram_seg
#define IRAM_REGION iram_seg
#define FLASH_CODE_REGION iram_seg
#define IROM_SEG_ALIGN 16
MEMORY
{
iram_seg (RWX) : org = 0x40040000, len = 0x6000
iram_loader_seg (RWX) : org = 0x40046000, len = 0x2000
dram_seg (RW) : org = 0x3FFE6000, len = 0x6000
#ifdef CONFIG_GEN_ISR_TABLES
IDT_LIST(RW): org = 0x3ebfe010, len = 0x2000
#endif
}
ENTRY(CONFIG_KERNEL_ENTRY)
SECTIONS
{
/* NOTE: .rodata section should be the first section in the linker script and no
* other section should appear before .rodata section. This is the requirement
* to align ROM section to 64K page offset.
* Adding .rodata as first section helps to reduce size of generated binary by
* few kBs.
*/
SECTION_PROLOGUE(_RODATA_SECTION_NAME,,)
{
__rodata_region_start = ABSOLUTE(.);
. = ALIGN(4);
#include <snippets-rodata.ld>
. = ALIGN(4);
*(.rodata)
*(.rodata.*)
*(.irom1.text) /* catch stray ICACHE_RODATA_ATTR */
*(.gnu.linkonce.r.*)
*(.rodata1)
__XT_EXCEPTION_TABLE_ = ABSOLUTE(.);
*(.xt_except_table)
*(.gcc_except_table .gcc_except_table.*)
*(.gnu.linkonce.e.*)
*(.gnu.version_r)
. = (. + 3) & ~ 3;
__eh_frame = ABSOLUTE(.);
KEEP(*(.eh_frame))
. = (. + 7) & ~ 3;
/* C++ exception handlers table: */
__XT_EXCEPTION_DESCS_ = ABSOLUTE(.);
*(.xt_except_desc)
*(.gnu.linkonce.h.*)
__XT_EXCEPTION_DESCS_END__ = ABSOLUTE(.);
*(.xt_except_desc_end)
*(.dynamic)
*(.gnu.version_d)
. = ALIGN(4);
__rodata_region_end = ABSOLUTE(.);
/* Literals are also RO data. */
_lit4_start = ABSOLUTE(.);
*(*.lit4)
*(.lit4.*)
*(.gnu.linkonce.lit4.*)
_lit4_end = ABSOLUTE(.);
. = ALIGN(4);
_thread_local_start = ABSOLUTE(.);
*(.tdata)
*(.tdata.*)
*(.tbss)
*(.tbss.*)
*(.rodata_wlog)
*(.rodata_wlog*)
_thread_local_end = ABSOLUTE(.);
. = ALIGN(4);
} GROUP_DATA_LINK_IN(RODATA_REGION, ROMABLE_REGION)
#include <zephyr/linker/common-rom/common-rom-cpp.ld>
#include <zephyr/linker/common-rom/common-rom-kernel-devices.ld>
#include <zephyr/linker/common-rom/common-rom-ztest.ld>
#include <zephyr/linker/common-rom/common-rom-net.ld>
#include <zephyr/linker/common-rom/common-rom-bt.ld>
#include <zephyr/linker/common-rom/common-rom-debug.ld>
#include <zephyr/linker/common-rom/common-rom-misc.ld>
#include <snippets-sections.ld>
.dram0.data :
{
__data_start = ABSOLUTE(.);
_btdm_data_start = ABSOLUTE(.);
*libbtdm_app.a:(.data .data.*)
. = ALIGN (4);
_btdm_data_end = ABSOLUTE(.);
*(.data)
*(.data.*)
*(.gnu.linkonce.d.*)
*(.data1)
*(.sdata)
*(.sdata.*)
*(.gnu.linkonce.s.*)
*(.sdata2)
*(.sdata2.*)
*(.gnu.linkonce.s2.*)
KEEP(*(.jcr))
*(.dram1 .dram1.*)
. = ALIGN(4);
} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
#include <zephyr/linker/cplusplus-rom.ld>
#include <snippets-data-sections.ld>
#include <zephyr/linker/common-ram.ld>
#include <snippets-ram-sections.ld>
#include <zephyr/linker/cplusplus-ram.ld>
#include <zephyr/linker/common-rom/common-rom-logging.ld>
.dram0.end :
{
. = ALIGN(4);
#include <snippets-rwdata.ld>
. = ALIGN(4);
_end = ABSOLUTE(.);
__data_end = ABSOLUTE(.);
} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
/* Send .iram0 code to iram */
.iram0.vectors : ALIGN(4)
{
/* Vectors go to IRAM */
_init_start = ABSOLUTE(.);
/* Vectors according to builds/RF-2015.2-win32/esp108_v1_2_s5_512int_2/config.html */
. = 0x0;
KEEP(*(.WindowVectors.text));
. = 0x180;
KEEP(*(.Level2InterruptVector.text));
. = 0x1c0;
KEEP(*(.Level3InterruptVector.text));
. = 0x200;
KEEP(*(.Level4InterruptVector.text));
. = 0x240;
KEEP(*(.Level5InterruptVector.text));
. = 0x280;
KEEP(*(.DebugExceptionVector.text));
. = 0x2c0;
KEEP(*(.NMIExceptionVector.text));
. = 0x300;
KEEP(*(.KernelExceptionVector.text));
. = 0x340;
KEEP(*(.UserExceptionVector.text));
. = 0x3C0;
KEEP(*(.DoubleExceptionVector.text));
. = 0x400;
*(.*Vector.literal)
*(.UserEnter.literal);
*(.UserEnter.text);
. = ALIGN (16);
*(.entry.text)
*(.init.literal)
*(.init)
_init_end = ABSOLUTE(.);
/* This goes here, not at top of linker script, so addr2line finds it last,
and uses it in preference to the first symbol in IRAM */
_iram_start = ABSOLUTE(0);
} GROUP_DATA_LINK_IN(IRAM_REGION, ROMABLE_REGION)
.iram_loader.text :
{
. = ALIGN (16);
_loader_text_start = ABSOLUTE(.);
*(.stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
*(.iram1 .iram1.*) /* catch stray IRAM_ATTR */
*libzephyr.a:bootloader_flash.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_flash_config_esp32s2.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_clock_loader.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_common_loader.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_init_common.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_flash.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_random.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_random*.*(.literal.bootloader_random_disable .text.bootloader_random_disable)
*libzephyr.a:bootloader_random*.*(.literal.bootloader_random_enable .text.bootloader_random_enable)
*libzephyr.a:bootloader_efuse_esp32s2.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_utility.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_sha.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_console.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_console_loader.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_panic.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_soc.*(.literal .text .literal.* .text.*)
*libzephyr.a:esp_image_format.*(.literal .text .literal.* .text.*)
*libzephyr.a:flash_encrypt.*(.literal .text .literal.* .text.*)
*libzephyr.a:flash_encryption_secure_features.*(.literal .text .literal.* .text.*)
*libzephyr.a:flash_partitions.*(.literal .text .literal.* .text.*)
*libzephyr.a:secure_boot.*(.literal .text .literal.* .text.*)
*libzephyr.a:secure_boot_secure_features.*(.literal .text .literal.* .text.*)
*libzephyr.a:secure_boot_signatures_bootloader.*(.literal .text .literal.* .text.*)
*libzephyr.a:wdt_hal_iram.*(.literal .text .literal.* .text.*)
*libzephyr.a:esp_efuse_table.*(.literal .text .literal.* .text.*)
*libzephyr.a:esp_efuse_fields.*(.literal .text .literal.* .text.*)
*libzephyr.a:esp_efuse_api.*(.literal .text .literal.* .text.*)
*libzephyr.a:esp_efuse_utility.*(.literal .text .literal.* .text.*)
*libzephyr.a:esp_efuse_api_key_esp32xx.*(.literal .text .literal.* .text.*)
*esp_mcuboot.*(.literal .text .literal.* .text.*)
*esp_loader.*(.literal .text .literal.* .text.*)
*(.fini.literal)
*(.fini)
*(.gnu.version)
_loader_text_end = ABSOLUTE(.);
} > iram_loader_seg
SECTION_PROLOGUE(_TEXT_SECTION_NAME, , ALIGN(4))
{
/* Code marked as running out of IRAM */
_iram_text_start = ABSOLUTE(.);
*(.iram1 .iram1.*)
*(.iram0.literal .iram.literal .iram.text.literal .iram0.text .iram.text)
. = ALIGN(4);
_iram_text_end = ABSOLUTE(.);
_iram_end = ABSOLUTE(.);
} GROUP_DATA_LINK_IN(IRAM_REGION, ROMABLE_REGION)
/* Shared RAM */
SECTION_DATA_PROLOGUE(_BSS_SECTION_NAME,(NOLOAD),)
{
. = ALIGN (8);
_bss_start = ABSOLUTE(.); /* required by bluetooth library */
__bss_start = ABSOLUTE(.);
_btdm_bss_start = ABSOLUTE(.);
*libbtdm_app.a:(.bss .bss.* COMMON)
. = ALIGN (4);
_btdm_bss_end = ABSOLUTE(.);
/* Buffer for system heap should be placed in dram_seg */
*libkernel.a:mempool.*(.noinit.kheap_buf__system_heap .noinit.*.kheap_buf__system_heap)
*(.dynsbss)
*(.sbss)
*(.sbss.*)
*(.gnu.linkonce.sb.*)
*(.scommon)
*(.sbss2)
*(.sbss2.*)
*(.gnu.linkonce.sb2.*)
*(.dynbss)
*(.bss)
*(.bss.*)
*(.share.mem)
*(.gnu.linkonce.b.*)
*(COMMON)
. = ALIGN (8);
__bss_end = ABSOLUTE(.);
_bss_end = ABSOLUTE(.);
_end = ABSOLUTE(.);
} GROUP_LINK_IN(RAMABLE_REGION)
ASSERT(((__bss_end - ORIGIN(RAMABLE_REGION)) <= LENGTH(RAMABLE_REGION)),
"DRAM segment data does not fit.")
SECTION_DATA_PROLOGUE(_NOINIT_SECTION_NAME, (NOLOAD),)
{
. = ALIGN (8);
*(.noinit)
*(.noinit.*)
. = ALIGN (8);
} GROUP_LINK_IN(RAMABLE_REGION_1)
.flash.text : ALIGN(IROM_SEG_ALIGN)
{
_stext = .;
_text_start = ABSOLUTE(.);
*(.literal .text .literal.* .text.*)
. = ALIGN(4);
_text_end = ABSOLUTE(.);
_etext = .;
/* Similar to _iram_start, this symbol goes here so it is
* resolved by addr2line in preference to the first symbol in
* the flash.text segment.
*/
_flash_cache_start = ABSOLUTE(0);
} GROUP_DATA_LINK_IN(FLASH_CODE_REGION, ROMABLE_REGION)
#include <zephyr/linker/debug-sections.ld>
.xtensa.info 0 : { *(.xtensa.info) }
.xt.insn 0 :
{
KEEP (*(.xt.insn))
KEEP (*(.gnu.linkonce.x.*))
}
.xt.prop 0 :
{
KEEP (*(.xt.prop))
KEEP (*(.xt.prop.*))
KEEP (*(.gnu.linkonce.prop.*))
}
.xt.lit 0 :
{
KEEP (*(.xt.lit))
KEEP (*(.xt.lit.*))
KEEP (*(.gnu.linkonce.p.*))
}
.xt.profile_range 0 :
{
KEEP (*(.xt.profile_range))
KEEP (*(.gnu.linkonce.profile_range.*))
}
.xt.profile_ranges 0 :
{
KEEP (*(.xt.profile_ranges))
KEEP (*(.gnu.linkonce.xt.profile_ranges.*))
}
.xt.profile_files 0 :
{
KEEP (*(.xt.profile_files))
KEEP (*(.gnu.linkonce.xt.profile_files.*))
}
#ifdef CONFIG_GEN_ISR_TABLES
#include <zephyr/linker/intlist.ld>
#endif
}
ASSERT(((_iram_end - ORIGIN(IRAM_REGION)) <= LENGTH(IRAM_REGION)),
"IRAM0 segment data does not fit.")