497 lines
14 KiB
Plaintext
497 lines
14 KiB
Plaintext
/*
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* Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/devicetree.h>
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#include <zephyr/linker/sections.h>
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#include <zephyr/linker/linker-defs.h>
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#include <zephyr/linker/linker-tool.h>
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#include "memory.h"
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/* User available SRAM memory segments */
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appcpu_iram_end = USER_IRAM_END;
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appcpu_dram_end = USER_DRAM_END;
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appcpu_iram_org = appcpu_iram_end - APPCPU_SRAM_SIZE;
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appcpu_dram_org = appcpu_dram_end - APPCPU_SRAM_SIZE;
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appcpu_iram_len = APPCPU_SRAM_SIZE;
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appcpu_dram_len = APPCPU_SRAM_SIZE;
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/* Aliases */
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#define ROMABLE_REGION FLASH
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#define RODATA_REGION dram0_1_seg /* drom0_1_seg */
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#define RAMABLE_REGION dram0_1_seg
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#define IRAM_REGION iram0_1_seg
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/* Zephyr macro re-definitions */
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#undef GROUP_DATA_LINK_IN
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#define GROUP_DATA_LINK_IN(vregion, lregion) > vregion AT > lregion
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#undef GROUP_NOLOAD_LINK_IN
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#define GROUP_NOLOAD_LINK_IN(vregion, lregion) > vregion
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/* Flash segments (rodata and text) should be mapped in the virtual address spaces.
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* Executing directly from LMA is not possible. */
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#undef GROUP_ROM_LINK_IN
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#define GROUP_ROM_LINK_IN(vregion, lregion) > RODATA_REGION AT > lregion
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/* Make sure new sections have consistent alignment between input and output sections */
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#undef SECTION_DATA_PROLOGUE
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#define SECTION_DATA_PROLOGUE(name, options, align) name options : ALIGN_WITH_INPUT
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#undef SECTION_PROLOGUE
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#define SECTION_PROLOGUE SECTION_DATA_PROLOGUE
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MEMORY
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{
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#ifdef CONFIG_BOOTLOADER_MCUBOOT
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mcuboot_hdr (R): org = 0x0, len = 0x20
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metadata (R): org = 0x20, len = 0x20
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FLASH (R): org = 0x40, len = FLASH_SIZE - 0x40
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#else
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/* Make safety margin in the FLASH memory size so the
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* (esp_img_header + (n*esp_seg_headers)) would fit */
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FLASH (R): org = 0x0, len = FLASH_SIZE - 0x100
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#endif /* CONFIG_BOOTLOADER_MCUBOOT */
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iram0_1_seg(RX): org = appcpu_iram_org, len = appcpu_iram_len
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dram0_1_seg(RW): org = appcpu_dram_org, len = appcpu_dram_len
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#ifdef CONFIG_GEN_ISR_TABLES
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IDT_LIST(RW): org = 0x3ebfe010, len = 0x2000
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#endif
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}
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/* Default entry point: */
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ENTRY(__appcpu_start)
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/* Used as a pointer to the heap end */
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_heap_sentry = DRAM_RESERVED_START;
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SECTIONS
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{
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#if defined(CONFIG_BOOTLOADER_MCUBOOT)
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/* Reserve space for MCUboot header in the binary */
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.mcuboot_header :
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{
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QUAD(0x0)
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QUAD(0x0)
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QUAD(0x0)
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QUAD(0x0)
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} > mcuboot_hdr
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/* Image load table */
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.metadata :
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{
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/* 0. Magic byte for load header */
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LONG(0xace637d3)
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/* 1. Application entry point address */
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KEEP(*(.entry_addr))
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/* IRAM metadata:
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* 2. Destination address (VMA) for IRAM region
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* 3. Flash offset (LMA) for start of IRAM region
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* 4. Size of IRAM region
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*/
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LONG(ADDR(.iram0.vectors))
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LONG(LOADADDR(.iram0.vectors))
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LONG(_iram_end - _init_start);
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/* DRAM metadata:
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* 5. Destination address (VMA) for DRAM region
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* 6. Flash offset (LMA) for start of DRAM region
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* 7. Size of DRAM region
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*/
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LONG(ADDR(.dram0.data))
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LONG(LOADADDR(.dram0.data))
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LONG(_data_end - _data_start)
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} > metadata
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#endif /* CONFIG_BOOTLOADER_MCUBOOT */
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#include <zephyr/linker/rel-sections.ld>
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#ifdef CONFIG_LLEXT
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#include <zephyr/linker/llext-sections.ld>
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#endif
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/* --- START OF IRAM --- */
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/* Send .iram0 code to iram */
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.iram0.vectors : ALIGN(4)
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{
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_iram_start = ABSOLUTE(.);
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/* Vectors go to IRAM */
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_init_start = ABSOLUTE(.);
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/* Vectors according to builds/RF-2015.2-win32/esp108_v1_2_s5_512int_2/config.html */
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. = 0x0;
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KEEP(*(.WindowVectors.text));
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. = 0x180;
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KEEP(*(.Level2InterruptVector.text));
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. = 0x1c0;
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KEEP(*(.Level3InterruptVector.text));
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. = 0x200;
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KEEP(*(.Level4InterruptVector.text));
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. = 0x240;
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KEEP(*(.Level5InterruptVector.text));
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. = 0x280;
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KEEP(*(.DebugExceptionVector.text));
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. = 0x2c0;
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KEEP(*(.NMIExceptionVector.text));
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. = 0x300;
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KEEP(*(.KernelExceptionVector.text));
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. = 0x340;
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KEEP(*(.UserExceptionVector.text));
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. = 0x3C0;
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KEEP(*(.DoubleExceptionVector.text));
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. = 0x400;
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_invalid_pc_placeholder = ABSOLUTE(.);
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*(.*Vector.literal)
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*(.UserEnter.literal);
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*(.UserEnter.text);
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. = ALIGN (16);
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*(.entry.text)
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*(.init.literal)
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*(.init)
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. = ALIGN (16);
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_init_end = ABSOLUTE(.);
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} GROUP_DATA_LINK_IN(IRAM_REGION, ROMABLE_REGION)
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.iram0.text : ALIGN(4)
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{
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_iram_text_start = ABSOLUTE(.);
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*(.iram1 .iram1.*)
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*(.iram0.literal .iram.literal .iram.text.literal .iram0.text .iram.text)
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*libesp32.a:panic.*(.literal .text .literal.* .text.*)
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*librtc.a:(.literal .text .literal.* .text.*)
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*libarch__xtensa__core.a:(.literal .text .literal.* .text.*)
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*libkernel.a:(.literal .text .literal.* .text.*)
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*libsoc.a:rtc_*.*(.literal .text .literal.* .text.*)
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*libsoc.a:cpu_util.*(.literal .text .literal.* .text.*)
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*libgcc.a:lib2funcs.*(.literal .text .literal.* .text.*)
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*libdrivers__flash.a:flash_esp32.*(.literal .text .literal.* .text.*)
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*libzephyr.a:windowspill_asm.*(.literal .text .literal.* .text.*)
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*libzephyr.a:log_noos.*(.literal .text .literal.* .text.*)
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*libdrivers__timer.a:xtensa_sys_timer.*(.literal .text .literal.* .text.*)
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*libzephyr.a:systimer_hal.*(.literal .text .literal.* .text.*)
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*libzephyr.a:log_core.*(.literal .text .literal.* .text.*)
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*libzephyr.a:cbprintf_complete.*(.literal .text .literal.* .text.*)
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*libzephyr.a:printk.*(.literal.printk .literal.vprintk .literal.char_out .text.printk .text.vprintk .text.char_out)
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*libzephyr.a:log_msg.*(.literal .text .literal.* .text.*)
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*libzephyr.a:log_list.*(.literal .text .literal.* .text.*)
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*libdrivers__console.a:uart_console.*(.literal.console_out .text.console_out)
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*libzephyr.a:log_output.*(.literal .text .literal.* .text.*)
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*libzephyr.a:log_backend_uart.*(.literal .text .literal.* .text.*)
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*libzephyr.a:loader.*(.literal .text .literal.* .text.*)
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*liblib__libc__minimal.a:string.*(.literal .text .literal.* .text.*)
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*liblib__libc__newlib.a:string.*(.literal .text .literal.* .text.*)
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*libc.a:*(.literal .text .literal.* .text.*)
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*libphy.a:(.phyiram .phyiram.*)
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*libgcov.a:(.literal .text .literal.* .text.*)
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. = ALIGN(16);
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} GROUP_DATA_LINK_IN(IRAM_REGION, ROMABLE_REGION)
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.flash.text : ALIGN(16)
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{
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_stext = .;
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_text_start = ABSOLUTE(.);
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*(.stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
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*(.irom0.text) /* catch stray ICACHE_RODATA_ATTR */
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*(.fini.literal)
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*(.fini)
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*(.gnu.version)
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*(.literal .text .literal.* .text.*)
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/* CPU will try to prefetch up to 16 bytes of
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* of instructions. This means that any configuration (e.g. MMU, PMS) must allow
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* safe access to up to 16 bytes after the last real instruction, add
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* dummy bytes to ensure this
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*/
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. += 16;
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_text_end = ABSOLUTE(.);
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_etext = .;
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/* Similar to _iram_start, this symbol goes here so it is
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* resolved by addr2line in preference to the first symbol in
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* the flash.text segment.
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*/
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. = ALIGN(4);
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_flash_cache_start = ABSOLUTE(0);
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. = ALIGN(4);
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_iram_end = ABSOLUTE(.);
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} GROUP_DATA_LINK_IN(IRAM_REGION, ROMABLE_REGION)
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/* --- END OF IRAM --- */
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/* --- START OF DRAM --- */
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.dram0.dummy (NOLOAD):
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{
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. = ORIGIN(dram0_1_seg) + MAX(_iram_end, appcpu_iram_org) - appcpu_iram_org;
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. = ALIGN(16);
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} GROUP_LINK_IN(RAMABLE_REGION)
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.dram0.data :
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{
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. = ALIGN (8);
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__data_start = ABSOLUTE(.);
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_data_start = ABSOLUTE(.);
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*(.data)
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*(.data.*)
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*(.gnu.linkonce.d.*)
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*(.data1)
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*(.sdata)
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*(.sdata.*)
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*(.gnu.linkonce.s.*)
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*(.sdata2)
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*(.sdata2.*)
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*(.gnu.linkonce.s2.*)
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/* rodata for panic handler(libarch__xtensa__core.a) and all
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* dependent functions should be placed in DRAM to avoid issue
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* when flash cache is disabled */
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*libarch__xtensa__core.a:(.rodata .rodata.*)
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*libkernel.a:fatal.*(.rodata .rodata.*)
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*libkernel.a:init.*(.rodata .rodata.*)
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*libzephyr.a:cbprintf_complete*(.rodata .rodata.*)
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*libzephyr.a:systimer_hal.*(.rodata .rodata.*)
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*libzephyr.a:log_core.*(.rodata .rodata.*)
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*libzephyr.a:log_backend_uart.*(.rodata .rodata.*)
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*libzephyr.a:log_output.*(.rodata .rodata.*)
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*libzephyr.a:loader.*(.rodata .rodata.*)
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*libdrivers__serial.a:uart_esp32.*(.rodata .rodata.*)
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*libdrivers__flash.a:flash_esp32.*(.rodata .rodata.*)
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. = ALIGN(4);
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#include <snippets-rwdata.ld>
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. = ALIGN(4);
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KEEP(*(.jcr))
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*(.dram1 .dram1.*)
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. = ALIGN(16);
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} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
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#include <snippets-data-sections.ld>
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#include <zephyr/linker/common-ram.ld>
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#include <snippets-ram-sections.ld>
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#include <zephyr/linker/cplusplus-ram.ld>
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#include <zephyr/linker/kobject-data.ld>
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#include <zephyr/linker/common-rom/common-rom-logging.ld>
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/* SECTION_PROLOGUE(_RODATA_SECTION_NAME,,) */
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.dram0.rodata : ALIGN(4)
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{
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_rodata_start = ABSOLUTE(.);
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*(.rodata_desc .rodata_desc.*) /* Should be the first. App version info. DO NOT PUT ANYTHING BEFORE IT! */
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*(.rodata_custom_desc .rodata_custom_desc.*) /* Should be the second. Custom app version info. DO NOT PUT ANYTHING BEFORE IT! */
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__rodata_region_start = ABSOLUTE(.);
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. = ALIGN(4);
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#include <snippets-rodata.ld>
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. = ALIGN(4);
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*(EXCLUDE_FILE (
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*libarch__xtensa__core.a:*
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*libkernel.a:fatal.*
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*libkernel.a:init.*
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*libzephyr.a:cbprintf_complete*
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*libzephyr.a:log_core.*
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*libzephyr.a:log_backend_uart.*
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*libzephyr.a:log_output.*
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*libzephyr.a:loader.*
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*libdrivers__serial.a:uart_esp32.*) .rodata)
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*(EXCLUDE_FILE (
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*libarch__xtensa__core.a:*
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*libkernel.a:fatal.*
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*libkernel.a:init.*
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*libzephyr.a:cbprintf_complete*
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*libzephyr.a:log_core.*
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*libzephyr.a:log_backend_uart.*
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*libzephyr.a:log_output.*
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*libzephyr.a:loader.*
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*libdrivers__serial.a:uart_esp32.*) .rodata.*)
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. = ALIGN(4);
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*(.irom1.text) /* catch stray ICACHE_RODATA_ATTR */
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*(.gnu.linkonce.r.*)
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*(.rodata1)
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__XT_EXCEPTION_TABLE_ = ABSOLUTE(.);
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*(.xt_except_table)
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*(.gcc_except_table .gcc_except_table.*)
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*(.gnu.linkonce.e.*)
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*(.gnu.version_r)
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. = (. + 3) & ~ 3;
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__eh_frame = ABSOLUTE(.);
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KEEP(*(.eh_frame))
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. = (. + 7) & ~ 3;
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/* C++ exception handlers table: */
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__XT_EXCEPTION_DESCS_ = ABSOLUTE(.);
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*(.xt_except_desc)
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*(.gnu.linkonce.h.*)
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__XT_EXCEPTION_DESCS_END__ = ABSOLUTE(.);
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*(.xt_except_desc_end)
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*(.dynamic)
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*(.gnu.version_d)
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. = ALIGN(4);
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__rodata_region_end = ABSOLUTE(.);
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/* Literals are also RO data. */
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_lit4_start = ABSOLUTE(.);
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*(*.lit4)
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*(.lit4.*)
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*(.gnu.linkonce.lit4.*)
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_lit4_end = ABSOLUTE(.);
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. = ALIGN(4);
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_thread_local_start = ABSOLUTE(.);
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*(.tdata)
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*(.tdata.*)
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*(.tbss)
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*(.tbss.*)
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*(.rodata_wlog)
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*(.rodata_wlog*)
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_thread_local_end = ABSOLUTE(.);
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_rodata_reserved_end = ABSOLUTE(.);
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. = ALIGN(4);
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} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
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/* Flash segments (rodata and text) should be mapped in virtual address space by providing VMA.
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* Executing directly from LMA is not possible. */
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#pragma push_macro("GROUP_ROM_LINK_IN")
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#undef GROUP_ROM_LINK_IN
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#define GROUP_ROM_LINK_IN(vregion, lregion) > RAMABLE_REGION AT > lregion
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#include <zephyr/linker/cplusplus-rom.ld>
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#include <zephyr/linker/common-rom/common-rom-init.ld>
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#include <zephyr/linker/common-rom/common-rom-kernel-devices.ld>
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#include <zephyr/linker/common-rom/common-rom-ztest.ld>
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#include <zephyr/linker/common-rom/common-rom-net.ld>
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#include <zephyr/linker/common-rom/common-rom-bt.ld>
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#include <zephyr/linker/common-rom/common-rom-debug.ld>
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#include <zephyr/linker/common-rom/common-rom-misc.ld>
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#include <zephyr/linker/thread-local-storage.ld>
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#include <snippets-sections.ld>
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#pragma pop_macro("GROUP_ROM_LINK_IN")
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/* Create an explicit section at the end of all the data that shall be mapped into drom.
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* This is used to calculate the size of the _image_drom_size variable */
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/* SECTION_PROLOGUE(_RODATA_SECTION_END,,) */
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.dram0.rodata_end : ALIGN(0x10)
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{
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. = ALIGN(16);
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_image_rodata_end = ABSOLUTE(.);
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} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
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.dram0.end :
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{
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__data_end = ABSOLUTE(.);
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_data_end = ABSOLUTE(.);
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} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
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.dram0.noinit (NOLOAD):
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{
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. = ALIGN(8);
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*(.noinit)
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*(.noinit.*)
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. = ALIGN(8) ;
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} GROUP_LINK_IN(RAMABLE_REGION)
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/* Shared RAM */
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.dram0.bss (NOLOAD) :
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{
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. = ALIGN (8);
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_bss_start = ABSOLUTE(.); /* required by bluetooth library */
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__bss_start = ABSOLUTE(.);
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*(.dynsbss)
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*(.sbss)
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*(.sbss.*)
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*(.gnu.linkonce.sb.*)
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*(.scommon)
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*(.sbss2)
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*(.sbss2.*)
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*(.gnu.linkonce.sb2.*)
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*(.dynbss)
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*(.bss)
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*(.bss.*)
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*(.share.mem)
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*(.gnu.linkonce.b.*)
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*(COMMON)
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. = ALIGN (8);
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__bss_end = ABSOLUTE(.);
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} GROUP_LINK_IN(RAMABLE_REGION)
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/* Provide total SRAM usage, including IRAM and DRAM */
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_image_ram_start = _iram_start - IRAM_DRAM_OFFSET;
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#include <zephyr/linker/ram-end.ld>
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ASSERT(((__bss_end - ORIGIN(dram0_1_seg)) <= LENGTH(dram0_1_seg)), "DRAM segment data does not fit.")
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/* --- END OF DRAM --- */
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/* --- START OF IROM --- */
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/* --- END OF IROM --- */
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/* --- START OF DROM --- */
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/* --- END OF DROM --- */
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#ifdef CONFIG_GEN_ISR_TABLES
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#include <zephyr/linker/intlist.ld>
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#endif
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#include <zephyr/linker/debug-sections.ld>
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.xtensa.info 0 : { *(.xtensa.info) }
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.xt.insn 0 :
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{
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KEEP (*(.xt.insn))
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KEEP (*(.gnu.linkonce.x.*))
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}
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.xt.prop 0 :
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{
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KEEP (*(.xt.prop))
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KEEP (*(.xt.prop.*))
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KEEP (*(.gnu.linkonce.prop.*))
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}
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.xt.lit 0 :
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{
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KEEP (*(.xt.lit))
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KEEP (*(.xt.lit.*))
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KEEP (*(.gnu.linkonce.p.*))
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}
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.xt.profile_range 0 :
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{
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KEEP (*(.xt.profile_range))
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KEEP (*(.gnu.linkonce.profile_range.*))
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}
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.xt.profile_ranges 0 :
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{
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KEEP (*(.xt.profile_ranges))
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KEEP (*(.gnu.linkonce.xt.profile_ranges.*))
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}
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.xt.profile_files 0 :
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{
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KEEP (*(.xt.profile_files))
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KEEP (*(.gnu.linkonce.xt.profile_files.*))
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}
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}
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ASSERT(((_iram_end - ORIGIN(iram0_1_seg)) <= LENGTH(iram0_1_seg)),
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"IRAM0 segment data does not fit.")
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