blob: 01ad3aded330414dfda4fe885928fb00788fb1d5 [file] [log] [blame]
/*
* 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"
#ifdef CONFIG_XIP
#error "Xtensa bootloader cannot use XIP"
#endif /* CONFIG_XIP */
/* Disable all romable LMA */
#undef GROUP_DATA_LINK_IN
#define GROUP_DATA_LINK_IN(vregion, lregion) > vregion
/* Aliases for zephyr scripts */
#define RAMABLE_REGION dram_seg
#define RODATA_REGION dram_seg
#define ROMABLE_REGION dram_seg
_bootloader_dram_seg_end = BOOTLOADER_DRAM_SEG_END;
_bootloader_iram_loader_seg_start = BOOTLOADER_IRAM_LOADER_SEG_START;
MEMORY
{
iram_seg (RWX) : org = BOOTLOADER_IRAM_SEG_START, len = BOOTLOADER_IRAM_SEG_LEN
iram_loader_seg (RWX) : org = BOOTLOADER_IRAM_LOADER_SEG_START, len = BOOTLOADER_IRAM_LOADER_SEG_LEN
dram_seg (RW) : org = BOOTLOADER_DRAM_SEG_START, len = BOOTLOADER_DRAM_SEG_LEN
#ifdef CONFIG_GEN_ISR_TABLES
IDT_LIST(RW): org = 0x3ebfe010, len = 0x2000
#endif
}
/* Default entry point: */
ENTRY(CONFIG_KERNEL_ENTRY)
SECTIONS
{
.iram0.loader_text :
{
_loader_text_start = ABSOLUTE(.);
*(.stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
*libarch__xtensa__core.a:xtensa_asm2_util.*(.literal .text .literal.* .text.*)
*liblib__libc__common.a:abort.*(.literal .text .literal.* .text.*)
*libdrivers__timer.a:xtensa_sys_timer.*(.literal .text .literal.* .text.*)
*libarch__common.a:dynamic_isr.*(.literal .text .literal.* .text.*)
*libarch__common.a:sw_isr_common.*(.literal .text .literal.* .text.*)
*libapp.a:flash_map_extended.*(.literal .text .literal.* .text.*)
*libzephyr.a:printk.*(.literal.printk .literal.vprintk .literal.char_out .text.printk .text.vprintk .text.char_out)
*libzephyr.a:cbprintf_nano.*(.literal .text .literal.* .text.*)
*libzephyr.a:cpu.*(.literal .text .literal.* .text.*)
*libzephyr.a:mmu_hal.*(.literal .text .literal.* .text.*)
*libzephyr.a:cache_hal.*(.literal .text .literal.* .text.*)
*libzephyr.a:flash_map.*(.literal .text .literal.* .text.*)
*libzephyr.a:esp_rom_spiflash.*(.literal .text .literal.* .text.*)
*libzephyr.a:heap.*(.literal .text .literal.* .text.*)
*libkernel.a:kheap.*(.literal .text .literal.* .text.*)
*libkernel.a:mempool.*(.literal .text .literal.* .text.*)
*libkernel.a:device.*(.literal .text .literal.* .text.*)
*libkernel.a:timeout.*(.literal .text .literal.* .text.*)
*(.literal.bootloader_mmap .text.bootloader_mmap)
*(.literal.bootloader_munmap .text.bootloader_munmap)
*libzephyr.a:esp_loader.*(.literal .text .literal.* .text.*)
*libzephyr.a:mmu_hal.*(.literal .text .literal.* .text.*)
*(.literal.esp_intr_disable .literal.esp_intr_disable.* .text.esp_intr_disable .text.esp_intr_disable.*)
*(.literal.default_intr_handler .text.default_intr_handler .iram1.*.default_intr_handler)
*(.literal.esp_log_timestamp .text.esp_log_timestamp)
*(.literal.esp_log_early_timestamp .text.esp_log_early_timestamp)
*(.literal.esp_system_abort .text.esp_system_abort)
*(.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 = .;
. = ALIGN(4);
_loader_text_end = ABSOLUTE(.);
_iram_text_end = ABSOLUTE(.);
_iram_end = ABSOLUTE(.);
} > iram_loader_seg
.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;
_invalid_pc_placeholder = ABSOLUTE(.);
*(.*Vector.literal)
*(.UserEnter.literal);
*(.UserEnter.text);
. = ALIGN (16);
*(.entry.text)
*(.init.literal)
*(.init)
. = ALIGN (4);
_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(.);
} > iram_seg
.iram0.text :
{
. = ALIGN(4);
*(.iram1 .iram1.*)
*(.iram0.literal .iram.literal .iram.text.literal .iram0.text .iram.text)
*(.literal .text .literal.* .text.*)
. = ALIGN(4);
*(.irom0.text) /* catch stray ICACHE_RODATA_ATTR */
. = ALIGN(4);
} > iram_seg
.dram0.data : ALIGN(16)
{
. = ALIGN(4);
__data_start = ABSOLUTE(.);
#include <snippets-rodata.ld>
. = ALIGN(4);
#include <snippets-rwdata.ld>
. = ALIGN(4);
*(.data)
*(.data.*)
*(.gnu.linkonce.d.*)
*(.data1)
*(.sdata)
*(.sdata.*)
*(.gnu.linkonce.s.*)
*(.sdata2)
*(.sdata2.*)
*(.gnu.linkonce.s2.*)
*libzephyr.a:mmu_hal.*(.rodata .rodata.*)
*libzephyr.a:rtc_clk.*(.rodata .rodata.*)
KEEP(*(.jcr))
*(.dram1 .dram1.*)
. = 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);
*(.rodata_wlog)
*(.rodata_wlog*)
_thread_local_end = ABSOLUTE(.);
. = ALIGN(4);
} > dram_seg
#include <zephyr/linker/common-rom/common-rom-kernel-devices.ld>
#include <zephyr/linker/common-rom/common-rom-debug.ld>
#include <zephyr/linker/common-rom/common-rom-misc.ld>
#include <snippets-sections.ld>
#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>
.noinit (NOLOAD):
{
. = ALIGN(8);
*(.noinit)
*(.noinit.*)
. = ALIGN(8) ;
} > dram_seg
/* Shared RAM */
.bss (NOLOAD):
{
. = ALIGN (8);
_bss_start = ABSOLUTE(.); /* required by bluetooth library */
__bss_start = ABSOLUTE(.);
*(.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(.);
} > dram_seg
ASSERT(((__bss_end - ORIGIN(dram_seg)) <= LENGTH(dram_seg)), "DRAM segment data does not fit.")
#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
}