mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
209 lines
7.1 KiB
Plaintext
209 lines
7.1 KiB
Plaintext
/*
|
|
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
/* Simplified memory map for the bootloader.
|
|
* Make sure the bootloader can load into main memory without overwriting itself.
|
|
*/
|
|
|
|
|
|
MEMORY
|
|
{
|
|
iram_seg (RWX) : org = 0x4004B000, len = 0x4000 /* SRAM part of block 12 and 13 */
|
|
iram_loader_seg (RWX) : org = 0x4004F000, len = 0x7000 /* SRAM part of block 13, Block 14 & part of 15 */
|
|
dram_seg (RW) : org = 0x3FFE6000, len = 0x4B00 /* Part SRAM Blocks 15 & 16, ROM static buffer starts at end of this region (reclaimed after app runs) */
|
|
}
|
|
|
|
/* Default entry point: */
|
|
ENTRY(call_start_cpu0);
|
|
|
|
|
|
SECTIONS
|
|
{
|
|
|
|
.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 */
|
|
*liblog.a:(.literal .text .literal.* .text.*)
|
|
/* we use either libgcc or compiler-rt, so put similar entries for them here */
|
|
*libgcc.a:(.literal .text .literal.* .text.*)
|
|
*libclang_rt.builtins.a:(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:bootloader_clock_loader.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:bootloader_common_loader.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:bootloader_flash.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:bootloader_random.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:bootloader_random*.*(.literal.bootloader_random_disable .text.bootloader_random_disable)
|
|
*libesp_common.a:fpga_overrides.*(.literal.bootloader_fill_random .text.bootloader_fill_random)
|
|
*libbootloader_support.a:bootloader_efuse.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:bootloader_utility.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:bootloader_sha.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:bootloader_console_loader.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:bootloader_panic.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:bootloader_soc.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:esp_image_format.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:flash_encrypt.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:flash_encryption_secure_features.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:flash_partitions.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:secure_boot.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:secure_boot_secure_features.*(.literal .text .literal.* .text.*)
|
|
*libbootloader_support.a:secure_boot_signatures_bootloader.*(.literal .text .literal.* .text.*)
|
|
*libmicro-ecc.a:*.*(.literal .text .literal.* .text.*)
|
|
*libspi_flash.a:*.*(.literal .text .literal.* .text.*)
|
|
*libhal.a:wdt_hal_iram.*(.literal .text .literal.* .text.*)
|
|
*libhal.a:mmu_hal.*(.literal .text .literal.* .text.*)
|
|
*libhal.a:cache_hal.*(.literal .text .literal.* .text.*)
|
|
*libhal.a:efuse_hal.*(.literal .text .literal.* .text.*)
|
|
*libesp_hw_support.a:rtc_clk.*(.literal .text .literal.* .text.*)
|
|
*libesp_hw_support.a:rtc_time.*(.literal .text .literal.* .text.*)
|
|
*libesp_hw_support.a:regi2c_ctrl.*(.literal .text .literal.* .text.*)
|
|
*libefuse.a:*.*(.literal .text .literal.* .text.*)
|
|
*libesp_rom.a:esp_rom_regi2c.*(.literal .text .literal.* .text.*)
|
|
*(.fini.literal)
|
|
*(.fini)
|
|
*(.gnu.version)
|
|
_loader_text_end = ABSOLUTE(.);
|
|
} > iram_loader_seg
|
|
|
|
.iram.text :
|
|
{
|
|
. = ALIGN (16);
|
|
*(.entry.text)
|
|
*(.init.literal)
|
|
*(.init)
|
|
} > iram_seg
|
|
|
|
|
|
/* Shared RAM */
|
|
.dram0.bss (NOLOAD) :
|
|
{
|
|
. = ALIGN (8);
|
|
_dram_start = ABSOLUTE(.);
|
|
_bss_start = ABSOLUTE(.);
|
|
*(.dynsbss)
|
|
*(.sbss)
|
|
*(.sbss.*)
|
|
*(.gnu.linkonce.sb.*)
|
|
*(.scommon)
|
|
*(.sbss2)
|
|
*(.sbss2.*)
|
|
*(.gnu.linkonce.sb2.*)
|
|
*(.dynbss)
|
|
*(.bss)
|
|
*(.bss.*)
|
|
*(.gnu.linkonce.b.*)
|
|
*(COMMON)
|
|
. = ALIGN (8);
|
|
_bss_end = ABSOLUTE(.);
|
|
} >dram_seg
|
|
|
|
.dram0.bootdesc : ALIGN(0x10)
|
|
{
|
|
_data_start = ABSOLUTE(.);
|
|
*(.data_bootloader_desc .data_bootloader_desc.*) /* Should be the first. Bootloader version info. DO NOT PUT ANYTHING BEFORE IT! */
|
|
} > dram_seg
|
|
|
|
.dram0.data :
|
|
{
|
|
*(.data)
|
|
*(.data.*)
|
|
*(.gnu.linkonce.d.*)
|
|
*(.data1)
|
|
*(.sdata)
|
|
*(.sdata.*)
|
|
*(.gnu.linkonce.s.*)
|
|
*(.gnu.linkonce.s2.*)
|
|
*(.jcr)
|
|
_data_end = ABSOLUTE(.);
|
|
} >dram_seg
|
|
|
|
.dram0.rodata :
|
|
{
|
|
_rodata_start = ABSOLUTE(.);
|
|
*(.rodata)
|
|
*(.rodata.*)
|
|
*(.gnu.linkonce.r.*)
|
|
*(.rodata1)
|
|
*(.sdata2 .sdata2.*)
|
|
__XT_EXCEPTION_TABLE_ = ABSOLUTE(.);
|
|
*(.xt_except_table)
|
|
*(.gcc_except_table)
|
|
*(.gnu.linkonce.e.*)
|
|
*(.gnu.version_r)
|
|
*(.eh_frame)
|
|
. = (. + 3) & ~ 3;
|
|
/* C++ constructor and destructor tables, properly ordered: */
|
|
__init_array_start = ABSOLUTE(.);
|
|
KEEP (*crtbegin.*(.ctors))
|
|
KEEP (*(EXCLUDE_FILE (*crtend.*) .ctors))
|
|
KEEP (*(SORT(.ctors.*)))
|
|
KEEP (*(.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)
|
|
_rodata_end = ABSOLUTE(.);
|
|
/* Literals are also RO data. */
|
|
_lit4_start = ABSOLUTE(.);
|
|
*(*.lit4)
|
|
*(.lit4.*)
|
|
*(.gnu.linkonce.lit4.*)
|
|
_lit4_end = ABSOLUTE(.);
|
|
. = ALIGN(4);
|
|
_dram_end = ABSOLUTE(.);
|
|
} >dram_seg
|
|
|
|
.iram.text :
|
|
{
|
|
_stext = .;
|
|
_text_start = ABSOLUTE(.);
|
|
*(.literal .text .literal.* .text.* .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
|
|
*(.iram .iram.*) /* catch stray IRAM_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
|
|
*/
|
|
. += 16;
|
|
|
|
_text_end = ABSOLUTE(.);
|
|
_etext = .;
|
|
} > iram_seg
|
|
|
|
/** This section will be used by the debugger and disassembler to get more information
|
|
* about raw data present in the code.
|
|
* Indeed, it may be required to add some padding at some points in the code
|
|
* in order to align a branch/jump destination on a particular bound.
|
|
* Padding these instructions will generate null bytes that shall be
|
|
* interpreted as data, and not code by the debugger or disassembler.
|
|
* This section will only be present in the ELF file, not in the final binary
|
|
* For more details, check GCC-212
|
|
*/
|
|
.xt.prop 0 :
|
|
{
|
|
KEEP (*(.xt.prop .gnu.linkonce.prop.*))
|
|
}
|
|
|
|
.xt.lit 0 :
|
|
{
|
|
KEEP (*(.xt.lit .gnu.linkonce.p.*))
|
|
}
|
|
|
|
}
|