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Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
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zephyr/soc/espressif/esp32/default.ld

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/*
* Copyright (c) 2016 Cadence Design Systems, Inc.
* Copyright (c) 2017 Intel Corporation
* Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/devicetree.h>
#include <zephyr/linker/sections.h>
#include <zephyr/linker/linker-defs.h>
#include <zephyr/linker/linker-tool.h>
#include "memory.h"
/* The "user_iram_end" represents the last DRAM memory location
* that is occupied by the ROM code. Since the "iram_loader_seg"
* - which is the last memory the bootloader runs from - resides
* in the SRAM0 "cache" memory, the "user_iram_end" applies for\
* all build cases - Simple boot and the MCUboot application.
*/
user_iram_end = SRAM1_DRAM_IRAM_CALC(SRAM1_DRAM_USER_START);
/* User available SRAM memory segments */
user_iram_seg_org = (SRAM0_IRAM_START + SRAM0_CACHE_SIZE);
user_iram_seg_len = user_iram_end - user_iram_seg_org;
user_dram_seg_org = SRAM2_DRAM_USER_START;
user_dram_seg_len = SRAM2_USER_SIZE;
user_dram_2_seg_org = SRAM1_DRAM_USER_START;
user_dram_2_seg_len = SRAM1_USER_SIZE;
/* Aliases */
#define FLASH_CODE_REGION irom0_0_seg
#define RODATA_REGION drom0_0_seg
#define IRAM_REGION iram0_0_seg
#define DRAM_REGION dram0_0_seg
#define RAMABLE_REGION dram0_0_seg
#define ROMABLE_REGION FLASH
#ifndef CONFIG_SOC_ESP32_PROCPU
#define RAMABLE_REGION_1 dram0_1_seg
#else
#define RAMABLE_REGION_1 dram0_0_seg
#endif
/* Flash segments (rodata and text) should be mapped in virtual address space by providing VMA.
* Executing directly from LMA is not possible. */
#undef GROUP_ROM_LINK_IN
#define GROUP_ROM_LINK_IN(vregion, lregion) > RODATA_REGION AT > lregion
MEMORY
{
#ifdef CONFIG_BOOTLOADER_MCUBOOT
mcuboot_hdr (R): org = 0x0, len = 0x20
metadata (R): org = 0x20, len = 0x20
FLASH (R): org = 0x40, len = FLASH_SIZE - 0x40
#else
/* Make safety margin in the FLASH memory size so the
* (esp_img_header + (n*esp_seg_headers)) would fit */
FLASH (R): org = 0x0, len = FLASH_SIZE - 0x100
#endif /* CONFIG_BOOTLOADER_MCUBOOT */
#ifndef CONFIG_SOC_ESP32_APPCPU
iram0_0_seg(RX): org = user_iram_seg_org, len = user_iram_seg_len
#else
iram0_0_seg(RX): org = user_iram_seg_org, len = 0x8000
#endif /* CONFIG_SOC_ESP32_APPCPU */
dram0_0_seg(RW): org = user_dram_seg_org + CONFIG_ESP32_BT_RESERVE_DRAM,
len = user_dram_seg_len - CONFIG_ESP32_BT_RESERVE_DRAM
#ifdef CONFIG_SOC_ESP32_PROCPU
/* shared RAM reserved for IPM */
dram0_shm0_seg(RW): org = 0x3ffe5230, len = 2K
/* shared data reserved for IPM data header */
dram0_sem0_seg(RW): org = 0x3ffe5a30, len = 8
/* for AMP builds dram0_1 is reserved for network core */
dram0_1_seg(RW): org = 0x3ffe5a38, len = 0K
#else
/* skip data for APP CPU initialization usage */
dram0_1_seg(RW): org = user_dram_2_seg_org, len = user_dram_2_seg_len
#endif /* CONFIG_SOC_ESP32_PROCPU */
irom0_0_seg(RX): org = IROM_SEG_ORG, len = IROM_SEG_LEN
drom0_0_seg(R): org = DROM_SEG_ORG, len = DROM_SEG_LEN
rtc_iram_seg(RWX): org = 0x400c0000, len = 0x2000
rtc_slow_seg(RW): org = 0x50000000, len = 0x1000
#ifdef CONFIG_ESP_SPIRAM
ext_ram_seg(RW): org = 0x3f800000, len = CONFIG_ESP_SPIRAM_SIZE
#endif /* CONFIG_ESP_SPIRAM */
#ifdef CONFIG_GEN_ISR_TABLES
IDT_LIST(RW): org = 0x3ebfe010, len = 0x2000
#endif /* CONFIG_GEN_ISR_TABLES */
}
/* Default entry point: */
ENTRY(CONFIG_KERNEL_ENTRY)
_rom_store_table = 0;
PROVIDE(_memmap_vecbase_reset = 0x40000450);
PROVIDE(_memmap_reset_vector = 0x40000400);
#ifdef CONFIG_BT
_heap_sentry = SRAM1_DRAM_USER_START;
#else
_heap_sentry = DRAM1_BT_SHM_BUFFERS_START; /* was 0x3ffe3f20; */
#endif
SECTIONS
{
#ifdef CONFIG_BOOTLOADER_MCUBOOT
/* Reserve space for MCUboot header in the binary */
.mcuboot_header :
{
QUAD(0x0)
QUAD(0x0)
QUAD(0x0)
QUAD(0x0)
} > mcuboot_hdr
.metadata :
{
/* 0. Magic byte for load header */
LONG(0xace637d3)
/* 1. Application entry point address */
KEEP(*(.entry_addr))
/* IRAM load:
* 2. Destination address (VMA) for IRAM region
* 3. Flash offset (LMA) for start of IRAM region
* 4. Size of IRAM region
*/
LONG(ADDR(.iram0.vectors))
LONG(LOADADDR(.iram0.vectors))
LONG(LOADADDR(.iram0.text) + SIZEOF(.iram0.text) - LOADADDR(.iram0.vectors))
/* DRAM load:
* 5. Destination address (VMA) for DRAM region
* 6. Flash offset (LMA) for start of DRAM region
* 7. Size of DRAM region
*/
LONG(ADDR(.dram0.data))
LONG(LOADADDR(.dram0.data))
LONG(LOADADDR(.dram0.end) + SIZEOF(.dram0.end) - LOADADDR(.dram0.data))
} > metadata
#endif /* CONFIG_BOOTLOADER_MCUBOOT */
#include <zephyr/linker/rel-sections.ld>
#ifdef CONFIG_LLEXT
#include <zephyr/linker/llext-sections.ld>
#endif
/* --- RTC BEGIN --- */
/* RTC fast memory holds RTC wake stub code,
* including from any source file named rtc_wake_stub*.c
*/
.rtc.text :
{
. = ALIGN(4);
*(.rtc.literal .rtc.text)
*rtc_wake_stub*.o(.literal .text .literal.* .text.*)
} GROUP_DATA_LINK_IN(rtc_iram_seg, ROMABLE_REGION)
/* RTC slow memory holds RTC wake stub
* data/rodata, including from any source file
* named rtc_wake_stub*.c
*/
.rtc.data :
{
_rtc_data_start = ABSOLUTE(.);
*(.rtc.data)
*(.rtc.rodata)
*rtc_wake_stub*.o(.data .rodata .data.* .rodata.* .bss .bss.*)
_rtc_data_end = ABSOLUTE(.);
} GROUP_DATA_LINK_IN(rtc_slow_seg, ROMABLE_REGION)
/* RTC bss, from any source file named rtc_wake_stub*.c */
.rtc.bss (NOLOAD) :
{
_rtc_bss_start = ABSOLUTE(.);
*rtc_wake_stub*.o(.bss .bss.*)
*rtc_wake_stub*.o(COMMON)
_rtc_bss_end = ABSOLUTE(.);
} GROUP_LINK_IN(rtc_slow_seg)
/* This section located in RTC SLOW Memory area.
* It holds data marked with RTC_SLOW_ATTR attribute.
* See the file "esp_attr.h" for more information.
*/
.rtc.force_slow :
{
. = ALIGN(4);
_rtc_force_slow_start = ABSOLUTE(.);
*(.rtc.force_slow .rtc.force_slow.*)
. = ALIGN(4) ;
_rtc_force_slow_end = ABSOLUTE(.);
} > rtc_slow_seg
/* Get size of rtc slow data */
_rtc_slow_length = (_rtc_force_slow_end - _rtc_data_start);
/* --- RTC END --- */
/* --- IRAM BEGIN --- */
.iram0.vectors : ALIGN(4)
{
_iram_start = ABSOLUTE(.);
/* 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(.);
} GROUP_DATA_LINK_IN(IRAM_REGION, ROMABLE_REGION)
.iram0.text : 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)
*libarch__xtensa__core.a:(.literal .text .literal.* .text.*)
*libkernel.a:(.literal .text .literal.* .text.*)
*libgcc.a:lib2funcs.*(.literal .text .literal.* .text.*)
*libzephyr.a:windowspill_asm.*(.literal .text .literal.* .text.*)
*libzephyr.a:cbprintf_complete.*(.literal .text .literal.* .text.*)
*libzephyr.a:printk.*(.literal.printk .literal.vprintk .literal.char_out .text.printk .text.vprintk .text.char_out)
*libzephyr.a:log_noos.*(.literal .text .literal.* .text.*)
*libzephyr.a:log_core.*(.literal .text .literal.* .text.*)
*libzephyr.a:log_msg.*(.literal .text .literal.* .text.*)
*libzephyr.a:log_list.*(.literal .text .literal.* .text.*)
*libzephyr.a:log_output.*(.literal .text .literal.* .text.*)
*libzephyr.a:log_backend_uart.*(.literal .text .literal.* .text.*)
*libzephyr.a:loader.*(.literal .text .literal.* .text.*)
*libzephyr.a:rtc_*.*(.literal .text .literal.* .text.*)
*libzephyr.a:cpu_util.*(.literal .text .literal.* .text.*)
*libdrivers__flash.a:flash_esp32.*(.literal .text .literal.* .text.*)
*libdrivers__timer.a:xtensa_sys_timer.*(.literal .text .literal.* .text.*)
*libdrivers__console.a:uart_console.*(.literal.console_out .text.console_out)
*liblib__libc__picolib.a:abort.*(.literal .text .literal.* .text.*)
*liblib__libc__minimal.a:string.*(.literal .text .literal.* .text.*)
*liblib__libc__newlib.a:string.*(.literal .text .literal.* .text.*)
*libc.a:*(.literal .text .literal.* .text.*)
*libphy.a:( .phyiram .phyiram.*)
*libgcov.a:(.literal .text .literal.* .text.*)
*libzephyr.a:spi_flash_rom_patch.*(.literal .text .literal.* .text.*)
/* [mapping:esp_psram] */
*libzephyr.a:mmu_psram_flash.*(.literal .literal.* .text .text.*)
*libzephyr.a:esp_psram_impl_quad.*(.literal .literal.* .text .text.*)
*libzephyr.a:esp_psram_impl_octal.*(.literal .literal.* .text .text.*)
/* [mapping:hal] */
*libzephyr.a:mmu_hal.*(.literal .literal.* .text .text.*)
*libzephyr.a:cache_hal.*(.literal .text .literal.* .text.*)
*libzephyr.a:ledc_hal_iram.*(.literal .literal.* .text .text.*)
*libzephyr.a:i2c_hal_iram.*(.literal .literal.* .text .text.*)
*libzephyr.a:wdt_hal_iram.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_flash_hal_iram.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_flash_encrypt_hal_iram.*(.literal .literal.* .text .text.*)
/* [mapping:soc] */
*libzephyr.a:lldesc.*(.literal .literal.* .text .text.*)
/* [mapping:log] */
*(.literal.esp_log_write .text.esp_log_write)
*(.literal.esp_log_timestamp .text.esp_log_timestamp)
*(.literal.esp_log_early_timestamp .text.esp_log_early_timestamp)
*(.literal.esp_log_impl_lock .text.esp_log_impl_lock)
*(.literal.esp_log_impl_lock_timeout .text.esp_log_impl_lock_timeout)
*(.literal.esp_log_impl_unlock .text.esp_log_impl_unlock)
/* [mapping:spi_flash] */
*libzephyr.a:spi_flash_chip_boya.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_flash_chip_gd.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_flash_chip_generic.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_flash_chip_issi.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_flash_chip_mxic.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_flash_chip_mxic_opi.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_flash_chip_th.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_flash_chip_winbond.*(.literal .literal.* .text .text.*)
*libzephyr.a:memspi_host_driver.*(.literal .literal.* .text .text.*)
*libzephyr.a:flash_brownout_hook.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_flash_wrap.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_flash_hpm_enable.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_flash_oct_flash_init*(.literal .literal.* .text .text.*)
/* [mapping:esp_system] */
*libzephyr.a:esp_err.*(.literal .literal.* .text .text.*)
*(.literal.esp_system_abort .text.esp_system_abort)
/* [mapping:esp_hw_support] */
*(.literal.esp_cpu_stall .text.esp_cpu_stall)
*(.literal.esp_cpu_unstall .text.esp_cpu_unstall)
*(.literal.esp_cpu_reset .text.esp_cpu_reset)
*(.literal.esp_cpu_wait_for_intr .text.esp_cpu_wait_for_intr)
*(.literal.esp_cpu_compare_and_set .text.esp_cpu_compare_and_set)
*(.literal.esp_gpio_reserve_pins .text.esp_gpio_reserve_pins)
*(.literal.esp_gpio_is_pin_reserved .text.esp_gpio_is_pin_reserved)
*(.literal.rtc_vddsdio_get_config .text.rtc_vddsdio_get_config)
*(.literal.rtc_vddsdio_set_config .text.rtc_vddsdio_set_config)
*libzephyr.a:esp_memory_utils.*(.literal .literal.* .text .text.*)
*libzephyr.a:rtc_init.*(.literal .literal.* .text .text.*)
*libzephyr.a:rtc_clk.*(.literal .literal.* .text .text.*)
*libzephyr.a:rtc_clk_init.*(.literal .literal.* .text .text.*)
*libzephyr.a:rtc_sleep.*(.literal .literal.* .text .text.*)
*libzephyr.a:rtc_time.*(.literal .literal.* .text .text.*)
*libzephyr.a:systimer.*(.literal .literal.* .text .text.*)
*libzephyr.a:mspi_timing_config.*(.literal .literal.* .text .text.*)
*libzephyr.a:mspi_timing_tuning.*(.literal .literal.* .text .text.*)
*libzephyr.a:periph_ctrl.*(.literal .text .literal.* .text.*)
*(.literal.sar_periph_ctrl_power_enable .text.sar_periph_ctrl_power_enable)
/* TODO: optimize SRAM usage
*libzephyr.a:periph_ctrl.*(.literal.periph_module_reset .text.periph_module_reset)
*libzephyr.a:periph_ctrl.*(.literal.wifi_module_disable .text.wifi_module_disable)
*libzephyr.a:periph_ctrl.*(.literal.wifi_module_enable .text.wifi_module_enable)
*libzephyr.a:rtc_wdt.*(.literal .literal.* .text .text.*)
*/
*libzephyr.a:esp_system_chip.*(.literal.esp_system_abort .text.esp_system_abort)
*libzephyr.a:spi_hal_iram.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_slave_hal_iram.*(.literal .literal.* .text .text.*)
*libzephyr.a:flash_brownout_hook.*(.literal .literal.* .text .text.*)
*libzephyr.a:heap_caps_zephyr.*(.literal .literal.* .text .text.*)
/* [mapping:soc_pm] */
*(.literal.GPIO_HOLD_MASK .text.GPIO_HOLD_MASK)
/* [mapping:esp_rom] */
*libzephyr.a:esp_rom_spiflash.*(.literal .literal.* .text .text.*)
*libzephyr.a:esp_rom_systimer.*(.literal .literal.* .text .text.*)
*libzephyr.a:esp_rom_wdt.*(.literal .literal.* .text .text.*)
/* [mapping:esp_mm] */
*libzephyr.a:esp_cache.*(.literal .literal.* .text .text.*)
*libzephyr.a:cache_esp32.*(.literal .literal.* .text .text.*)
#if defined(CONFIG_ESP32_WIFI_IRAM_OPT)
*libnet80211.a:( .wifi0iram .wifi0iram.* .wifislpiram .wifislpiram.*)
*libpp.a:( .wifi0iram .wifi0iram.* .wifislpiram .wifislpiram.* .wifiorslpiram .wifiorslpiram.*)
/* [mapping:esp_wifi] */
*(.literal.wifi_clock_enable_wrapper .text.wifi_clock_enable_wrapper)
*(.literal.wifi_clock_disable_wrapper .text.wifi_clock_disable_wrapper)
/* [mapping:esp_phy] */
*(.literal.esp_phy_enable .text.esp_phy_enable)
*(.literal.esp_phy_disable .text.esp_phy_disable)
*(.literal.esp_wifi_bt_power_domain_off .text.esp_wifi_bt_power_domain_off)
#endif /* CONFIG_ESP32_WIFI_IRAM_OPT */
#if defined(CONFIG_ESP32_WIFI_RX_IRAM_OPT)
*libnet80211.a:( .wifirxiram .wifirxiram.* .wifislprxiram .wifislprxiram.*)
*libpp.a:( .wifirxiram .wifirxiram.* .wifislprxiram .wifislprxiram.*)
#endif /* CONFIG_ESP32_WIFI_RX_IRAM_OPT */
. = ALIGN(4);
} GROUP_DATA_LINK_IN(IRAM_REGION, ROMABLE_REGION)
#ifdef CONFIG_ESP_SIMPLE_BOOT
.loader.text :
{
. = ALIGN(4);
*libzephyr.a:bootloader_soc.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_init.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_esp32.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_clock_init.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_wdt.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_flash.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_flash_config_esp32.*(.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_common.*(.literal .text .literal.* .text.*)
*libzephyr.a:bootloader_mem.*(.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.*(.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_panic.*(.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:spi_flash_hal.*(.literal .literal.* .text .text.*)
*libzephyr.a:spi_flash_hal_common.*(.literal .literal.* .text .text.*)
*libzephyr.a:esp_flash_api.*(.literal .text .literal.* .text.*)
*libzephyr.a:esp_flash_spi_init.*(.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:efuse_hal.*(.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_esp32.*(.literal .text .literal.* .text.*)
*libzephyr.a:app_cpu_start.*(.literal .text .literal.* .text.*)
*libzephyr.a:mpu_hal.*(.literal .text .literal.* .text.*)
*libzephyr.a:cpu_region_protect.*(.literal .text .literal.* .text.*)
/* to overcome the bug in esptool making Simple boot compatible image */
. += 16;
. = ALIGN(16);
} GROUP_DATA_LINK_IN(IRAM_REGION, ROMABLE_REGION)
#endif /* CONFIG_ESP_SIMPLE_BOOT */
/* Marks the end of IRAM code segment */
.iram0.text_end (NOLOAD) :
{
/* ESP32 memprot requires 16B padding for possible CPU
* prefetch and 256B alignment for PMS split lines */
. += 16;
. = ALIGN(0x100);
_iram_text_end = ABSOLUTE(.);
} GROUP_LINK_IN(IRAM_REGION)
.iram0.data :
{
. = ALIGN(16);
*(.iram.data)
*(.iram.data*)
} GROUP_DATA_LINK_IN(IRAM_REGION, ROMABLE_REGION)
.iram0.bss (NOLOAD) :
{
. = ALIGN(16);
_iram_bss_start = ABSOLUTE(.);
*(.iram.bss)
*(.iram.bss.*)
_iram_bss_end = ABSOLUTE(.);
. = ALIGN(4);
_iram_end = ABSOLUTE(.);
} GROUP_LINK_IN(IRAM_REGION)
/* --- IRAM END --- */
/* --- DRAM BEGIN --- */
.dram0.data :
{
_dram_data_start = ABSOLUTE(.);
_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.*)
/* rodata for panic handler(libarch__xtensa__core.a) and all
* dependent functions should be placed in DRAM to avoid issue
* when flash cache is disabled */
*libarch__xtensa__core.a:(.rodata .rodata.*)
*libkernel.a:fatal.*(.rodata .rodata.*)
*libkernel.a:init.*(.rodata .rodata.*)
*libzephyr.a:cbprintf_complete*(.rodata .rodata.*)
*libzephyr.a:log_core.*(.rodata .rodata.*)
*libzephyr.a:log_backend_uart.*(.rodata .rodata.*)
*libzephyr.a:log_output.*(.rodata .rodata.*)
*libzephyr.a:loader.*(.rodata .rodata.*)
*libdrivers__flash.a:flash_esp32.*(.rodata .rodata.*)
*libzephyr.a:spi_flash_rom_patch.*(.rodata .rodata.*)
*libdrivers__serial.a:uart_esp32.*(.rodata .rodata.*)
*libzephyr.a:esp_memory_utils.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
/* [mapping:esp_psram] */
*libzephyr.a:mmu_psram_flash.*(.rodata .rodata.*)
*libzephyr.a:esp_psram_impl_octal.*(.rodata .rodata.*)
*libzephyr.a:esp_psram_impl_quad.*(.rodata .rodata.*)
/* [mapping:hal] */
*libzephyr.a:mmu_hal.*(.rodata .rodata.*)
*libzephyr.a:spi_flash_hal_iram.*(.rodata .rodata.*)
*libzephyr.a:spi_flash_encrypt_hal_iram.*(.rodata .rodata.*)
*libzephyr.a:cache_hal.*(.rodata .rodata.*)
*libzephyr.a:ledc_hal_iram.*(.rodata .rodata.*)
*libzephyr.a:i2c_hal_iram.*(.rodata .rodata.*)
*libzephyr.a:wdt_hal_iram.*(.rodata .rodata.*)
*libzephyr.a:systimer_hal.*(.rodata .rodata.*)
*libzephyr.a:spi_flash_hal_gpspi.*(.rodata .rodata.*)
/* [mapping:soc] */
*libzephyr.a:lldesc.*(.rodata .rodata.*)
/* [mapping:log] */
*(.rodata.esp_log_write)
*(.rodata.esp_log_timestamp)
*(.rodata.esp_log_early_timestamp)
*(.rodata.esp_log_impl_lock)
*(.rodata.esp_log_impl_lock_timeout)
*(.rodata.esp_log_impl_unlock)
/* [mapping:spi_flash] */
*libzephyr.a:spi_flash_chip_boya.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_flash_chip_gd.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_flash_chip_generic.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_flash_chip_issi.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_flash_chip_mxic.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_flash_chip_mxic_opi.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_flash_chip_th.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_flash_chip_winbond.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:memspi_host_driver.*(.rodata .rodata.*)
*libzephyr.a:flash_brownout_hook.*(.rodata .rodata.*)
*libzephyr.a:spi_flash_wrap.*(.rodata .rodata.*)
*libzephyr.a:spi_flash_hpm_enable.*(.rodata .rodata.*)
*libzephyr.a:spi_flash_oct_flash_init.*(.rodata .rodata.*)
/* [mapping:esp_mm] */
*libzephyr.a:esp_cache.*(.rodata .rodata.*)
/* [mapping:esp_hw_support] */
*(.rodata.esp_cpu_stall)
*(.rodata.esp_cpu_unstall)
*(.rodata.esp_cpu_reset)
*(.rodata.esp_cpu_wait_for_intr)
*(.rodata.esp_cpu_compare_and_set)
*(.rodata.esp_gpio_reserve_pins)
*(.rodata.esp_gpio_is_pin_reserved)
*(.rodata.rtc_vddsdio_get_config)
*(.rodata.rtc_vddsdio_set_config)
*libzephyr.a:esp_memory_utils.*(.rodata .rodata.*)
*libzephyr.a:rtc_clk.*(.rodata .rodata.*)
*libzephyr.a:rtc_clk_init.*(.rodata .rodata.*)
*libzephyr.a:systimer.*(.rodata .rodata.*)
*libzephyr.a:mspi_timing_config.*(.rodata .rodata.*)
*libzephyr.a:mspi_timing_tuning.*(.rodata .rodata.*)
*(.rodata.sar_periph_ctrl_power_enable)
*libzephyr.a:cache_esp32.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:esp_cache.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:esp_err.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:i2c_hal_iram.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:ledc_hal_iram.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:mmu_hal.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_flash_encrypt_hal_iram.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_flash_hal.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_flash_hal_iram.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_flash_hal_common.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_hal_iram.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_slave_hal_iram.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:flash_brownout_hook.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:memspi_host_driver.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:spi_flash_wrap.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
/* TODO: fix other socs */
*libzephyr.a:heap_caps_zephyr.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
/* [mapping:esp_rom] */
*libzephyr.a:esp_rom_spiflash.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:esp_rom_systimer.*(.rodata .rodata.*)
*libzephyr.a:esp_rom_wdt.*(.rodata .rodata.*)
KEEP(*(.jcr))
*(.dram1 .dram1.*)
. = ALIGN(4);
#include <snippets-rwdata.ld>
. = ALIGN(4);
} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
#ifdef CONFIG_ESP_SIMPLE_BOOT
.loader.data :
{
. = ALIGN(4);
_loader_data_start = ABSOLUTE(.);
*libzephyr.a:bootloader_init.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:bootloader_esp32.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:bootloader_clock_init.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:bootloader_wdt.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:bootloader_flash.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:bootloader_flash_config_esp32.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:bootloader_common.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:bootloader_common_loader.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:bootloader_efuse.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:cpu_util.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:clk.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:esp_clk.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:rtc_clk_init.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:rtc_time.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:efuse_hal.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:cpu_region_protect.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:periph_ctrl.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:esp_flash_api.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
*libzephyr.a:esp_flash_spi_init.*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.*)
. = ALIGN(4);
_loader_data_end = ABSOLUTE(.);
} GROUP_DATA_LINK_IN(DRAM_REGION, ROMABLE_REGION)
#endif /* CONFIG_ESP_SIMPLE_BOOT */
#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>
/* logging sections should be placed in RAM area to avoid flash cache disabled issues */
#pragma push_macro("GROUP_ROM_LINK_IN")
#undef GROUP_ROM_LINK_IN
#define GROUP_ROM_LINK_IN GROUP_DATA_LINK_IN
#include <zephyr/linker/common-rom/common-rom-logging.ld>
#pragma pop_macro("GROUP_ROM_LINK_IN")
.dram0.end :
{
__data_end = ABSOLUTE(.);
_data_end = ABSOLUTE(.);
} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
/* Shared RAM */
.dram0.bss (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 dram0_0_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(.);
} GROUP_LINK_IN(RAMABLE_REGION)
ASSERT(((__bss_end - ORIGIN(dram0_0_seg)) <= LENGTH(dram0_0_seg)),
"DRAM segment data does not fit.")
.dram0.noinit (NOLOAD) :
{
. = ALIGN (8);
*(.noinit)
*(.noinit.*)
. = ALIGN (8);
} GROUP_LINK_IN(RAMABLE_REGION_1)
.dram0.end (NOLOAD) :
{
. = ALIGN(4);
_end = ABSOLUTE(.);
} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
/* TODO: Provide total SRAM usage, including IRAM and DRAM */
/* _image_ram_start = _iram_start - IRAM_DRAM_OFFSET; */
/* #include <zephyr/linker/ram-end.ld> */
/* --- DRAM END --- */
/* --- SPIRAM BEGIN --- */
#ifdef CONFIG_ESP_SPIRAM
.ext_ram.bss (NOLOAD):
{
_ext_ram_data_start = ABSOLUTE(.);
#ifdef CONFIG_ESP32_WIFI_NET_ALLOC_SPIRAM
*libdrivers__wifi.a:(.noinit .noinit.*)
*libsubsys__net__l2__ethernet.a:(.noinit .noinit.*)
*libsubsys__net__lib__config.a:(.noinit .noinit.*)
*libsubsys__net__ip.a:(.noinit .noinit.*)
*libsubsys__net.a:(.noinit .noinit.*)
#endif /* CONFIG_ESP32_WIFI_NET_ALLOC_SPIRAM */
_ext_ram_bss_start = ABSOLUTE(.);
*(.ext_ram.bss*)
_ext_ram_bss_end = ABSOLUTE(.);
_spiram_heap_start = ABSOLUTE(.);
. = . + CONFIG_ESP_SPIRAM_HEAP_SIZE;
_ext_ram_data_end = ABSOLUTE(.);
} GROUP_LINK_IN(ext_ram_seg)
#endif /* CONFIG_ESP_SPIRAM */
/* --- SPIRAM END --- */
/* --- RODATA BEGIN --- */
.flash.rodata_dummy (NOLOAD) :
{
. = ALIGN(CACHE_ALIGN);
} GROUP_LINK_IN(ROMABLE_REGION)
_image_drom_start = LOADADDR(.flash.rodata);
_image_drom_size = LOADADDR(.flash.rodata_end) - LOADADDR(.flash.rodata);
_image_drom_vaddr = ADDR(.flash.rodata);
.flash.rodata : ALIGN(CACHE_ALIGN)
{
_rodata_start = ABSOLUTE(.);
_rodata_reserved_start = ABSOLUTE(.);
. = ALIGN(4);
#include <snippets-rodata.ld>
. = ALIGN(4);
*(.rodata .rodata.* .sdata2 .sdata2.* .srodata .srodata.* )
_flash_rodata_start = ABSOLUTE(.);
__rodata_region_start = ABSOLUTE(.);
*(.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);
*(.rodata_wlog)
*(.rodata_wlog*)
. = ALIGN(4);
} GROUP_DATA_LINK_IN(RODATA_REGION, ROMABLE_REGION)
#include <zephyr/linker/common-rom/common-rom-init.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 <zephyr/linker/thread-local-storage.ld>
#include <snippets-sections.ld>
/* Create an explicit section at the end of all the data that shall be mapped into drom.
* This is used to calculate the size of the _image_drom_size variable */
.flash.rodata_end :
{
/* This is a symbol marking the flash.rodata end, this
* can be used for mmu driver to maintain virtual address
* We don't need to include the noload rodata in this section
*/
. = ALIGN(CONFIG_MMU_PAGE_SIZE);
_rodata_end = ABSOLUTE(.);
_rodata_reserved_end = ABSOLUTE(.);
} GROUP_DATA_LINK_IN(RODATA_REGION, ROMABLE_REGION)
/* --- RODATA END --- */
/* --- FLASH TEXT BEGIN --- */
.flash.text_dummy (NOLOAD):
{
. = ALIGN(CACHE_ALIGN);
} GROUP_LINK_IN(ROMABLE_REGION)
_image_irom_start = LOADADDR(.flash.text);
_image_irom_size = LOADADDR(.flash.text) + SIZEOF(.flash.text) - _image_irom_start;
_image_irom_vaddr = ADDR(.flash.text);
.flash.text : ALIGN(CACHE_ALIGN)
{
_stext = .;
_instruction_reserved_start = ABSOLUTE(.); /* This is a symbol marking the flash.text start, this can be used for mmu driver to maintain virtual address */
_text_start = ABSOLUTE(.);
__text_region_start = ABSOLUTE(.);
#ifndef CONFIG_ESP32_WIFI_IRAM_OPT
*libnet80211.a:( .wifi0iram .wifi0iram.* .wifislpiram .wifislpiram.*)
*libpp.a:( .wifi0iram .wifi0iram.* .wifislpiram .wifislpiram.* .wifiorslpiram .wifiorslpiram.*)
#endif
#ifndef CONFIG_ESP32_WIFI_RX_IRAM_OPT
*libnet80211.a:( .wifirxiram .wifirxiram.* .wifislprxiram .wifislprxiram.*)
*libpp.a:( .wifirxiram .wifirxiram.* .wifislprxiram .wifislprxiram.*)
#endif
*(.fini.literal)
*(.fini)
*(.literal .text .literal.* .text.*)
. = ALIGN(4);
_text_end = ABSOLUTE(.);
_instruction_reserved_end = ABSOLUTE(.); /* This is a symbol marking the flash.text end, this can be used for mmu driver to maintain virtual address */
__text_region_end = ABSOLUTE(.);
_etext = .;
} GROUP_DATA_LINK_IN(FLASH_CODE_REGION, ROMABLE_REGION)
/* --- FLASH TEXT END --- */
/* --- XTENSA GLUE AND DEBUG BEGIN --- */
#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
}
/* --- XTENSA GLUE AND DEBUG END --- */
ASSERT(((_iram_end - ORIGIN(iram0_0_seg)) <= LENGTH(iram0_0_seg)),
"IRAM0 segment data does not fit.")
#ifdef CONFIG_ESP_SPIRAM
ASSERT(((_ext_ram_data_end - _ext_ram_data_start) <= CONFIG_ESP_SPIRAM_SIZE),
"External SPIRAM overflowed.")
#endif /* CONFIG_ESP_SPIRAM */