RIOT/cpu/esp32/ld/esp32s3/sections.ld.in

/* Automatically generated file; DO NOT EDIT */
/* Espressif IoT Development Framework Linker Script */
/* Generated from: esp-idf/components/esp_system/ld/esp32s3/sections.ld.in */

/*
 * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/* Default entry point */
ENTRY(call_start_cpu0);

_diram_i_start = 0x40378000;

SECTIONS
{
  /**
   * RTC fast memory holds RTC wake stub code,
   * including from any source file named rtc_wake_stub*.c
   */
  .rtc.text :
  {
    . = ALIGN(4);
    _rtc_text_start = ABSOLUTE(.);
    *(.rtc.entry.text)

    *(.rtc.literal .rtc.text .rtc.text.*)

    *rtc_wake_stub*.*(.literal .text .literal.* .text.*)
    _rtc_text_end = ABSOLUTE(.);
  } > rtc_iram_seg

  /**
   * This section is required to skip rtc.text area because rtc_iram_seg and
   * rtc_data_seg are reflect the same address space on different buses.
   */
  .rtc.dummy :
  {
    _rtc_dummy_start = ABSOLUTE(.);
    _rtc_fast_start = ABSOLUTE(.);
    . = SIZEOF(.rtc.text);
    _rtc_dummy_end = ABSOLUTE(.);
  } > rtc_data_seg

  /**
   * This section located in RTC FAST Memory area.
   * It holds data marked with RTC_FAST_ATTR attribute.
   * See the file "esp_attr.h" for more information.
   */
  .rtc.force_fast :
  {
    . = ALIGN(4);
    _rtc_force_fast_start = ABSOLUTE(.);

    _coredump_rtc_fast_start = ABSOLUTE(.);
    *(.rtc.fast.coredump .rtc.fast.coredump.*)
    _coredump_rtc_fast_end = ABSOLUTE(.);

    *(.rtc.force_fast .rtc.force_fast.*)
    . = ALIGN(4) ;
    _rtc_force_fast_end = ABSOLUTE(.);
  } > rtc_data_seg

  /**
   * RTC data section holds RTC wake stub
   * data/rodata, including from any source file
   * named rtc_wake_stub*.c and the data marked with
   * RTC_DATA_ATTR, RTC_RODATA_ATTR attributes.
   * The memory location of the data is dependent on
   * CONFIG_ESP32S3_RTCDATA_IN_FAST_MEM option.
   */
  .rtc.data :
  {
    _rtc_data_start = ABSOLUTE(.);

    _coredump_rtc_start = ABSOLUTE(.);
    *(.rtc.coredump .rtc.coredump.*)
    _coredump_rtc_end = ABSOLUTE(.);
    *(.rtc.data .rtc.data.*)
    *(.rtc.rodata .rtc.rodata.*)

    *rtc_wake_stub*.*(.data .rodata .data.* .rodata.* .bss .bss.*)
    _rtc_data_end = ABSOLUTE(.);
  } > rtc_data_location

  /* RTC bss, from any source file named rtc_wake_stub*.c */
  .rtc.bss (NOLOAD) :
  {
    /* part that is initialized if not waking up from deep sleep */
    _rtc_bss_start = ABSOLUTE(.);
    *rtc_wake_stub*.*(.bss .bss.*)
    *rtc_wake_stub*.*(COMMON)
    _rtc_bss_end = ABSOLUTE(.);
    /* part that saves some data for rtc periph module, this part is
       only initialized at power on reset */
    _rtc_bss_rtc_start = ABSOLUTE(.);
    *(.rtc.bss .rtc.bss.*)
    _rtc_bss_rtc_end = ABSOLUTE(.);
  } > rtc_data_location

  /**
   * This section holds data that should not be initialized at power up
   * and will be retained during deep sleep.
   * User data marked with RTC_NOINIT_ATTR will be placed
   * into this section. See the file "esp_attr.h" for more information.
	 * The memory location of the data is dependent on CONFIG_ESP32S3_RTCDATA_IN_FAST_MEM option.
   */
  .rtc_noinit (NOLOAD):
  {
    . = ALIGN(4);
    _rtc_noinit_start = ABSOLUTE(.);
    *(.rtc_noinit .rtc_noinit.*)
    . = ALIGN(4) ;
    _rtc_noinit_end = ABSOLUTE(.);
  } > rtc_data_location

  /**
   * 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 based on rtc_data_location alias */
  _rtc_slow_length = (ORIGIN(rtc_slow_seg) == ORIGIN(rtc_data_location))
                        ? (_rtc_force_slow_end - _rtc_data_start)
                        : (_rtc_force_slow_end - _rtc_force_slow_start);

  _rtc_fast_length = (ORIGIN(rtc_slow_seg) == ORIGIN(rtc_data_location))
                        ? (_rtc_force_fast_end - _rtc_fast_start)
                        : (_rtc_noinit_end - _rtc_fast_start);

  ASSERT((_rtc_slow_length <= LENGTH(rtc_slow_seg)),
          "RTC_SLOW segment data does not fit.")

  ASSERT((_rtc_fast_length <= LENGTH(rtc_data_seg)),
          "RTC_FAST segment data does not fit.")

  /* Send .iram0 code to iram */
  .iram0.vectors :
  {
    _iram_start = ABSOLUTE(.);
    /* Vectors go to IRAM */
    _vector_table = ABSOLUTE(.);
    . = 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;
    _invalid_pc_placeholder = ABSOLUTE(.);
    *(.*Vector.literal)

    *(.UserEnter.literal);
    *(.UserEnter.text);
    . = ALIGN (16);
    *(.entry.text)
    *(.init.literal)
    *(.init)
    _init_end = ABSOLUTE(.);
  } > iram0_0_seg

  .iram0.text :
  {
    /* Code marked as running out of IRAM */
    _iram_text_start = ABSOLUTE(.);

    *(.iram1 .iram1.*)

    /* Xtensa basic functionality written in assembler should be placed in IRAM */
    *xtensa/*(.literal .text .literal.* .text.*)
    /* parts of RIOT that should run in IRAM */

    *core/*(.literal .text .literal.* .text.*)
    *esp_common_periph/flash.*(.literal .text .literal.* .text.*)
    *esp_common/thread_arch.*(.literal .text .literal.* .text.*)
    *esp_freertos_common/*(.literal .text .literal.* .text.*)

    /* parts of ESP-IDF that should run in IRAM */
    /* find components/ -type f -name linker.lf -exec grep "(noflash)" {} \; -print */
    /* find components/ -type f -name linker.lf -exec grep "(noflash_text)" {} \; -print */
    *components/app_trace/app_trace.*(.literal .literal.* .text .text.*)
    *components/app_trace/app_trace_util.*(.literal .literal.* .text .text.*)
    *components/esp_event/default_event_loop.*(.literal.esp_event_isr_post .text.esp_event_isr_post)
    *components/esp_event/esp_event.*(.literal.esp_event_isr_post_to .text.esp_event_isr_post_to)
    *components/esp_hw_support/cpu_util.*(.literal .literal.* .text .text.*)
    *components/esp_hw_support/*/rtc_clk.*(.literal .literal.* .text .text.*)
    *components/esp_hw_support/*/rtc_init.*(.literal.rtc_vddsdio_set_config .text.rtc_vddsdio_set_config)
    *components/esp_hw_support/*/rtc_pm.*(.literal .literal.* .text .text.*)
    *components/esp_hw_support/*/rtc_sleep.*(.literal .literal.* .text .text.*)
    *components/esp_hw_support/*/rtc_time.*(.literal .literal.* .text .text.*)
    *components/esp_hw_support/*/rtc_wdt.*(.literal .literal.* .text .text.*)
    *components/esp_hw_support/*/spiram_psram.*(.literal .literal.* .text .text.*)
    *components/esp_hw_support/*/opiram_psram.*(.literal .literal.* .text .text.*)
    *components/esp_ringbuf/*(.literal .literal.* .text .text.*)
    *components/esp_rom/esp_rom_spiflash.*(.literal .literal.* .text .text.*)
    *components/esp_system/esp_err.*(.literal .literal.* .text .text.*)
    *components/esp_system/esp_system.*(.literal.esp_system_abort .text.esp_system_abort)
    *components/esp_system/ubsan.*(.literal .literal.* .text .text.*)

    *libgcc.a:_divsf3.*(.literal .literal.* .text .text.*)
    *libgcc.a:lib2funcs.*(.literal .literal.* .text .text.*)
    *libgcc.a:save-restore.*(.literal .literal.* .text .text.*)
    *libgcov.a:(.literal .literal.* .text .text.*)

    *components/hal/cpu_hal.*(.literal .literal.* .text .text.*)
    *components/hal/i2c_hal_iram.*(.literal .literal.* .text .text.*)
    *components/hal/ledc_hal_iram.*(.literal .literal.* .text .text.*)
    *components/hal/soc_hal.*(.literal .literal.* .text .text.*)
    *components/hal/spi_flash_encrypt_hal_iram.*(.literal .literal.* .text .text.*)
    *components/hal/spi_flash_hal_gpspi.*(.literal .literal.* .text .text.*)
    *components/hal/spi_flash_hal_iram.*(.literal .literal.* .text .text.*)
    *components/hal/spi_hal_iram.*(.literal .literal.* .text .text.*)
    *components/hal/spi_slave_hal_iram.*(.literal .literal.* .text .text.*)
    *components/hal/systimer_hal.*(.literal .literal.* .text .text.*)
    *components/hal/twai_hal.*(.literal .literal.* .text .text.*)
    *components/hal/uart_hal.*(.literal .literal.* .text .text.*)
    *components/hal/wdt_hal_iram.*(.literal .literal.* .text .text.*)
    *components/heap/heap_tlsf.*(.literal .literal.* .text .text.*)
    *components/heap/multi_heap.*(.literal .literal.* .text .text.*)

    *esp-idf/esp_idf_support.*(.literal.esp_log_write .text.esp_log_write)

    *libnet80211.a:(.wifi0iram .wifi0iram.*)
    *libnet80211.a:(.wifirxiram .wifirxiram.*)
    *libnet80211.a:(.wifislprxiram .wifislprxiram.*)

    *components/newlib/abort.*(.literal .literal.* .text .text.*)
    *components/newlib/assert.*(.literal .literal.* .text .text.*)
    *components/newlib/heap.*(.literal .literal.* .text .text.*)
    *components/newlib/stdatomic.*(.literal .literal.* .text .text.*)

    *libpp.a:(.wifi0iram .wifi0iram.*)
    *libpp.a:(.wifiorslpiram .wifiorslpiram.*)
    *libpp.a:(.wifirxiram .wifirxiram.*)
    *libpp.a:(.wifislprxiram .wifislprxiram.*)
    *librtc.a:(.literal .literal.* .text .text.*)

    *components/soc/lldesc.*(.literal .literal.* .text .text.*)
    *components/spi_flash/memspi_host_driver.*(.literal .literal.* .text .text.*)
    *components/spi_flash/spi_flash_chip_boya.*(.literal .literal.* .text .text.*)
    *components/spi_flash/spi_flash_chip_gd.*(.literal .literal.* .text .text.*)
    *components/spi_flash/spi_flash_chip_generic.*(.literal .literal.* .text .text.*)
    *components/spi_flash/spi_flash_chip_issi.*(.literal .literal.* .text .text.*)
    *components/spi_flash/spi_flash_chip_mxic.*(.literal .literal.* .text .text.*)
    *components/spi_flash/spi_flash_chip_mxic_opi.*(.literal .literal.* .text .text.*)
    *components/spi_flash/spi_flash_chip_th.*(.literal .literal.* .text .text.*)
    *components/spi_flash/spi_flash_chip_winbond.*(.literal .literal.* .text .text.*)
    *components/spi_flash/*/spi_flash_rom_patch.*(.literal .literal.* .text .text.*)
    *components/spi_flash/spi_flash_timing_tuning.*(.literal .literal.* .text .text.*)
    *components/spi_flash/*/spi_timing_config.*(.literal .literal.* .text .text.*)

    *libxt_hal.a:(.literal .literal.* .text .text.*)
    *libxtensa.a:eri.*(.literal .literal.* .text .text.*)
    *libxtensa.a:xtensa_intr_asm.*(.literal .literal.* .text .text.*)

  } > iram0_0_seg

  /**
   * This section is required to skip .iram0.text area because iram0_0_seg and
   * dram0_0_seg reflect the same address space on different buses.
   */
  .dram0.dummy (NOLOAD):
  {
    . = ORIGIN(dram0_0_seg) + MAX(_iram_end - _diram_i_start, 0);
  } > dram0_0_seg

  .dram0.data :
  {
    _data_start = ABSOLUTE(.);
    *(.gnu.linkonce.d.*)
    *(.data1)
    *(.sdata)
    *(.sdata.*)
    KEEP (*(SORT(.xfa.*)))
    *(.gnu.linkonce.s.*)
    *(.sdata2)
    *(.sdata2.*)
    *(.gnu.linkonce.s2.*)
    *(.jcr)

    _esp_system_init_fn_array_start = ABSOLUTE(.);
    KEEP (*(SORT(.esp_system_init_fn) SORT(.esp_system_init_fn.*)))
    _esp_system_init_fn_array_end = ABSOLUTE(.);

    *(EXCLUDE_FILE(*components/bt/* *libbtdm_app.a) .data EXCLUDE_FILE(*components/bt/* *libbtdm_app.a) .data.*)
    *(.dram1 .dram1.*)
    _coredump_dram_start = ABSOLUTE(.);
    *(.dram1.coredump .dram1.coredump.*)
    _coredump_dram_end = ABSOLUTE(.);
    *libapp_trace.a:app_trace.*(.rodata .rodata.*)
    *libapp_trace.a:app_trace_util.*(.rodata .rodata.*)
    _bt_data_start = ABSOLUTE(.);
    *components/bt/*(.data .data.*)
    . = ALIGN(4);
    _bt_data_end = ABSOLUTE(.);
    _btdm_data_start = ABSOLUTE(.);
    *libbtdm_app.a:(.data .data.*)
    . = ALIGN(4);
    _btdm_data_end = ABSOLUTE(.);

    /* find components/ -type f -name linker.lf -exec grep "(noflash)" {} \; -print */
    *components/esp_hw_support/port/*/rtc_clk.*(.rodata .rodata.*)
    *components/esp_rom/esp_rom_spiflash.*(.rodata .rodata.*)
    *components/esp_system/esp_err.*(.rodata .rodata.*)
    *components/esp_system/ubsan.*(.rodata .rodata.*)

    *libgcc.a:_divsf3.*(.rodata .rodata.*)
    *libgcc.a:save-restore.*(.rodata .rodata.*)
    *libgcov.a:(.rodata .rodata.*)

    *components/hal/cpu_hal.*(.rodata .rodata.*)
    *components/hal/i2c_hal_iram.*(.rodata .rodata.*)
    *components/hal/ledc_hal_iram.*(.rodata .rodata.*)
    *components/hal/soc_hal.*(.rodata .rodata.*)
    *components/hal/spi_flash_encrypt_hal_iram.*(.rodata .rodata.*)
    *components/hal/spi_flash_hal_gpspi.*(.rodata .rodata.*)
    *components/hal/spi_flash_hal_iram.*(.rodata .rodata.*)
    *components/hal/spi_hal_iram.*(.rodata .rodata.*)
    *components/hal/spi_slave_hal_iram.*(.rodata .rodata.*)
    *components/hal/systimer_hal.*(.rodata .rodata.*)
    *components/hal/twai_hal.*(.rodata .rodata.*)
    *components/hal/uart_hal.*(.rodata .rodata.*)
    *components/hal/wdt_hal_iram.*(.rodata .rodata.*)
    *components/heap/heap_tlsf.*(.rodata .rodata.*)
    *components/heap/multi_heap.*(.rodata .rodata.*)

    *components/newlib/abort.*(.rodata .rodata.*)
    *components/newlib/assert.*(.rodata .rodata.*)
    *components/newlib/heap.*(.rodata .rodata.*)
    *components/newlib/stdatomic.*(.rodata .rodata.*)

    _nimble_data_start = ABSOLUTE(.);
    *libnimble.a:(.data .data.*)
    . = ALIGN(4);
    _nimble_data_end = ABSOLUTE(.);
    *libphy.a:(.rodata .rodata.*)

    *components/soc/lldesc.*(.rodata .rodata.*)
    *components/spi_flash/memspi_host_driver.*(.rodata .rodata.*)
    *components/spi_flash/spi_flash_chip_boya.*(.rodata .rodata.*)
    *components/spi_flash/spi_flash_chip_gd.*(.rodata .rodata.*)
    *components/spi_flash/spi_flash_chip_generic.*(.rodata .rodata.*)
    *components/spi_flash/spi_flash_chip_issi.*(.rodata .rodata.*)
    *components/spi_flash/spi_flash_chip_mxic.*(.rodata .rodata.*)
    *components/spi_flash/spi_flash_chip_mxic_opi.*(.rodata .rodata.*)
    *components/spi_flash/spi_flash_chip_th.*(.rodata .rodata.*)
    *components/spi_flash/spi_flash_chip_winbond.*(.rodata .rodata.*)
    *components/spi_flash/*/spi_flash_rom_patch.*(.rodata .rodata.*)
    *components/spi_flash/spi_flash_timing_tuning.*(.rodata .rodata.*)
    *components/spi_flash/*/spi_timing_config.*(.rodata .rodata.*)

    _data_end = ABSOLUTE(.);
    . = ALIGN(4);
  } > dram0_0_seg

  /**
   * This section holds data that should not be initialized at power up.
   * The section located in Internal SRAM memory region. The macro _NOINIT
   * can be used as attribute to place data into this section.
   * See the "esp_attr.h" file for more information.
   */
  .noinit (NOLOAD):
  {
    . = ALIGN(4);
    _noinit_start = ABSOLUTE(.);
    *(.noinit .noinit.*)
    . = ALIGN(4) ;
    _noinit_end = ABSOLUTE(.);
  } > dram0_0_seg

  /* Shared RAM */
  .dram0.bss (NOLOAD) :
  {
    . = ALIGN (8);
    _bss_start = ABSOLUTE(.);
    *(.ext_ram.bss*)

    *(.bss .bss.*)
    *(.ext_ram.bss .ext_ram.bss.*)
    *(.dynbss .dynsbss .gnu.linkonce.b .gnu.linkonce.b.* .gnu.linkonce.sb .gnu.linkonce.sb.* .gnu.linkonce.sb2 .gnu.linkonce.sb2.* .sbss .sbss.* .sbss2 .sbss2.* .scommon .share.mem)
    *(COMMON)
    _bt_bss_start = ABSOLUTE(.);
    *components/bt/*(.bss .bss.* COMMON)
    . = ALIGN(4);
    _bt_bss_end = ABSOLUTE(.);
    _btdm_bss_start = ABSOLUTE(.);
    *libbtdm_app.a:(.bss .bss.* COMMON)
    . = ALIGN(4);
    _btdm_bss_end = ABSOLUTE(.);
    _nimble_bss_start = ABSOLUTE(.);
    *libnimble.a:(.bss .bss.* COMMON)
    . = ALIGN(4);
    _nimble_bss_end = ABSOLUTE(.);

    *(.dynsbss)
    *(.sbss)
    *(.sbss.*)
    *(.gnu.linkonce.sb.*)
    *(.scommon)
    *(.sbss2)
    *(.sbss2.*)
    *(.gnu.linkonce.sb2.*)
    *(.dynbss)
    *(.share.mem)
    *(.gnu.linkonce.b.*)

    . = ALIGN (8);
    _bss_end = ABSOLUTE(.);
  } > dram0_0_seg

  ASSERT(((_bss_end - ORIGIN(dram0_0_seg)) <= LENGTH(dram0_0_seg)), "DRAM segment data does not fit.")

  .flash.text :
  {
    _stext = .;
    _instruction_reserved_start = ABSOLUTE(.);
    _text_start = ABSOLUTE(.);

    *(.literal .literal.* .text .text.*)

    *(.wifi0iram .wifi0iram.*)
    *(.wifiorslpiram .wifiorslpiram.*)
    *(.wifirxiram .wifirxiram.*)
    *(.wifislpiram .wifislpiram.*)
    *(.wifislprxiram .wifislprxiram.*)

    *(.stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
    *(.irom0.text) /* catch stray ICACHE_RODATA_ATTR */
    *(.fini.literal)
    *(.fini)
    *(.gnu.version)

    /** CPU will try to prefetch up to 16 bytes of
      * of instructions. This means that any configuration (e.g. MMU, PMS) must allow
      * safe access to up to 16 bytes after the last real instruction, add
      * dummy bytes to ensure this
      */
    . += _esp_flash_mmap_prefetch_pad_size;

    _text_end = ABSOLUTE(.);
    _instruction_reserved_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);
  } > default_code_seg

  /**
   * This dummy section represents the .flash.text section but in default_rodata_seg.
   * Thus, it must have its alignement and (at least) its size.
   */
  .flash_rodata_dummy (NOLOAD):
  {
    _flash_rodata_dummy_start = .;
    /* Start at the same alignement constraint than .flash.text */
    . = ALIGN(ALIGNOF(.flash.text));
    /* Create an empty gap as big as .flash.text section */
    . = . + SIZEOF(.flash.text);
    /* Prepare the alignement of the section above. Few bytes (0x20) must be
     * added for the mapping header. */
    . = ALIGN(0x10000) + 0x20;
    _rodata_reserved_start = .;
  } > default_rodata_seg

  .flash.appdesc : ALIGN(0x10)
  {
    _rodata_start = ABSOLUTE(.);

    *(.rodata_desc .rodata_desc.*)               /* Should be the first.  App version info.        DO NOT PUT ANYTHING BEFORE IT! */
    *(.rodata_custom_desc .rodata_custom_desc.*) /* Should be the second. Custom app version info. DO NOT PUT ANYTHING BEFORE IT! */

    /* Create an empty gap within this section. Thanks to this, the end of this
     * section will match .flah.rodata's begin address. Thus, both sections
     * will be merged when creating the final bin image. */
    . = ALIGN(ALIGNOF(.flash.rodata));
  } >default_rodata_seg

  .flash.rodata : ALIGN(0x10)
  {
    _flash_rodata_start = ABSOLUTE(.);

    *(.rodata .rodata.*)

    *(.rodata_wlog_error .rodata_wlog_error.*)
    *(.rodata_wlog_info .rodata_wlog_info.*)
    *(.rodata_wlog_warning .rodata_wlog_warning.*)

    KEEP (*(SORT(.roxfa.*)))

    *(.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++ constructor and destructor tables */
    /* Don't include anything from crtbegin.o or crtend.o, as IDF doesn't use toolchain crt */
    __init_array_start = ABSOLUTE(.);
    KEEP (*(EXCLUDE_FILE (*crtend.* *crtbegin.*) .ctors SORT(.ctors.*)))
    __init_array_end = ABSOLUTE(.);
    KEEP (*crtbegin.*(.dtors))
    KEEP (*(EXCLUDE_FILE (*crtend.*) .dtors))
    KEEP (*(SORT(.dtors.*)))
    KEEP (*(.dtors))
    /* 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)
    /* Addresses of memory regions reserved via SOC_RESERVE_MEMORY_REGION() */
    soc_reserved_memory_region_start = ABSOLUTE(.);
    KEEP (*(.reserved_memory_address))
    soc_reserved_memory_region_end = ABSOLUTE(.);
    _rodata_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.*)
    _thread_local_end = ABSOLUTE(.);
    _rodata_reserved_end = ABSOLUTE(.);
    . = ALIGN(4);
  } > default_rodata_seg

  _flash_rodata_align = ALIGNOF(.flash.rodata);

  .flash.rodata_noload (NOLOAD) :
  {
    . = ALIGN (4);
    *(.rodata_wlog_debug .rodata_wlog_debug.*)
    *(.rodata_wlog_verbose .rodata_wlog_verbose.*)
  } > default_rodata_seg

  /* Marks the end of IRAM code segment */
  .iram0.text_end (NOLOAD) :
  {
    /* ESP32-S3 memprot requires 16B padding for possible CPU prefetch and 256B alignment for PMS split lines */
    . += _esp_memprot_prefetch_pad_size;
    . = ALIGN(_esp_memprot_align_size);
    /* iram_end_test section exists for use by memprot unit tests only */
    *(.iram_end_test)
    _iram_text_end = ABSOLUTE(.);
  } > iram0_0_seg

  .iram0.data :
  {
    . = ALIGN(4);
    _iram_data_start = ABSOLUTE(.);

    *(.iram.data .iram.data.*)
    _coredump_iram_start = ABSOLUTE(.);
    *(.iram.data.coredump .iram.data.coredump.*)
    _coredump_iram_end = ABSOLUTE(.);

    _iram_data_end = ABSOLUTE(.);
  } > iram0_0_seg

  .iram0.bss (NOLOAD) :
  {
    . = ALIGN(4);
    _iram_bss_start = ABSOLUTE(.);

    *(.iram.bss .iram.bss.*)

    _iram_bss_end = ABSOLUTE(.);
    . = ALIGN(4);
    _iram_end = ABSOLUTE(.);
   } > iram0_0_seg

  /* Marks the end of data, bss and possibly rodata  */
  .dram0.heap_start (NOLOAD) :
  {
    . = ALIGN (8);
    _heap_start = ABSOLUTE(.);
    _sheap = ABSOLUTE(.);
  } > dram0_0_seg

  . = ORIGIN(dram0_0_seg) + LENGTH(dram0_0_seg);
  _eheap = ABSOLUTE(.);

  . = _heap_end;

#ifdef MODULE_PERIPH_FLASHPAGE
  .flash_writable (NOLOAD) : ALIGN(65536)
  {
    _fp_mem_start = . ;
    KEEP(*(SORT(.flash_writable.*)))
    _fp_mem_end = . ;
    . = ALIGN(4096);
    _end_fw = . ;
  } > drom0_1_seg
#endif
}

ASSERT(((_iram_end - ORIGIN(iram0_0_seg)) <= LENGTH(iram0_0_seg)),
          "IRAM0 segment data does not fit.")

ASSERT(((_heap_start - ORIGIN(dram0_0_seg)) <= LENGTH(dram0_0_seg)),
          "DRAM segment data does not fit.")

. = ORIGIN(dram0_0_seg);
_cpu_ram_start = ABSOLUTE(.);
. = ORIGIN(dram0_0_seg) + LENGTH(dram0_0_seg);
_cpu_ram_end = ABSOLUTE(.);

/* ensure that RAM_START_ADDR and RAM_LEN as defined in RIOT's makefile
 * match the parameters used in linker script */
ASSERT((ORIGIN(dram0_0_seg) == CPU_RAM_BASE),
       "RAM_START_ADDR does not match DRAM start address")
ASSERT((LENGTH(dram0_0_seg) == CPU_RAM_SIZE),
       "RAM_LEN does not match DRAM size")