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285 lines
7.5 KiB
285 lines
7.5 KiB
/* |
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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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/* Disable all romable LMA */ |
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#undef GROUP_DATA_LINK_IN |
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#define GROUP_DATA_LINK_IN(vregion, lregion) > vregion |
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#define RAMABLE_REGION dram_seg |
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#define RODATA_REGION dram_seg |
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#define ROMABLE_REGION dram_seg |
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/* Global symbols required for espressif hal build */ |
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MEMORY |
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{ |
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iram_seg (RX) : org = BOOTLOADER_IRAM_SEG_START, |
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len = BOOTLOADER_IRAM_SEG_LEN |
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iram_loader_seg (RX) : org = BOOTLOADER_IRAM_LOADER_SEG_START, |
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len = BOOTLOADER_IRAM_LOADER_SEG_LEN |
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dram_seg (RW) : org = BOOTLOADER_DRAM_SEG_START, |
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len = BOOTLOADER_DRAM_SEG_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(CONFIG_KERNEL_ENTRY) |
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SECTIONS |
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{ |
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.iram0.loader_text : |
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{ |
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. = ALIGN (16); |
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_loader_text_start = ABSOLUTE(.); |
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*(.stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*) |
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*libapp.a:flash_map_extended.*(.literal .text .literal.* .text.*) |
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*libzephyr.a:cbprintf_nano.*(.literal .text .literal.* .text.*) |
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*libzephyr.a:cpu.*(.literal .text .literal.* .text.*) |
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*libzephyr.a:mmu_hal.*(.literal .text .literal.* .text.*) |
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*libzephyr.a:cache_hal.*(.literal .text .literal.* .text.*) |
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*libzephyr.a:flash_map.*(.literal .text .literal.* .text.*) |
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*libzephyr.a:esp_rom_spiflash.*(.literal .text .literal.* .text.*) |
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*libzephyr.a:heap.*(.literal .text .literal.* .text.*) |
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*libkernel.a:kheap.*(.literal .text .literal.* .text.*) |
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*libkernel.a:mempool.*(.literal .text .literal.* .text.*) |
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*(.literal.bootloader_mmap .text.bootloader_mmap) |
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*(.literal.bootloader_munmap .text.bootloader_munmap) |
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*libzephyr.a:esp_loader.*(.literal .text .literal.* .text.*) |
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*libzephyr.a:mmu_hal.*(.literal .text .literal.* .text.*) |
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*(.literal.esp_intr_disable .literal.esp_intr_disable.* .text.esp_intr_disable .text.esp_intr_disable.*) |
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*(.literal.default_intr_handler .text.default_intr_handler .iram1.*.default_intr_handler) |
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*(.literal.esp_log_timestamp .text.esp_log_timestamp) |
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*(.literal.esp_log_early_timestamp .text.esp_log_early_timestamp) |
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*(.literal.esp_system_abort .text.esp_system_abort) |
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*(.fini.literal) |
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*(.fini) |
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*(.gnu.version) |
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_loader_text_end = ABSOLUTE(.); |
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_iram_end = ABSOLUTE(.); |
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} > iram_loader_seg |
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.iram0.text : |
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{ |
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/* Vectors go to IRAM */ |
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_iram_start = ABSOLUTE(.); |
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_init_start = ABSOLUTE(.); |
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__text_region_start = ABSOLUTE(.); |
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KEEP(*(.exception_vectors.text)); |
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. = ALIGN(256); |
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_invalid_pc_placeholder = ABSOLUTE(.); |
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_iram_text_start = ABSOLUTE(.); |
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KEEP(*(.exception.entry*)); /* contains _isr_wrapper */ |
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*(.exception.other*) |
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. = ALIGN(4); |
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*(.entry.text) |
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*(.init.literal) |
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*(.init) |
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. = ALIGN(4); |
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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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/* C6 memprot requires 512 B alignment for split lines */ |
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. = ALIGN (16); |
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_init_end = ABSOLUTE(.); |
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. = ALIGN(16); |
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*(.iram.data) |
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*(.iram.data*) |
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. = ALIGN(16); |
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*(.iram.bss) |
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*(.iram.bss*) |
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. = ALIGN(16); |
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*(.literal .text .literal.* .text.*) |
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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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/* 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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__text_region_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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_flash_cache_start = ABSOLUTE(0); |
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} > iram_seg |
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.dram0.data : |
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{ |
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. = ALIGN(4); |
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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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#ifdef CONFIG_RISCV_GP |
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__global_pointer$ = . + 0x800; |
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#endif /* CONFIG_RISCV_GP */ |
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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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*libzephyr.a:mmu_hal.*(.rodata .rodata.*) |
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*libzephyr.a:rtc_clk.*(.rodata .rodata.*) |
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KEEP(*(.jcr)) |
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*(.dram1 .dram1.*) |
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. = ALIGN(4); |
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#include <snippets-rwdata.ld> |
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. = ALIGN(4); |
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*(.rodata_desc .rodata_desc.*) |
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*(.rodata_custom_desc .rodata_custom_desc.*) |
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. = ALIGN(4); |
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#include <snippets-rodata.ld> |
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. = ALIGN(4); |
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*(.rodata) |
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*(.rodata.*) |
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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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__rodata_region_end = .; |
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_rodata_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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*(.srodata) |
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*(.srodata.*) |
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*(.rodata) |
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*(.rodata.*) |
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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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} > dram_seg |
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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-debug.ld> |
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#include <zephyr/linker/common-rom/common-rom-misc.ld> |
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#include <snippets-sections.ld> |
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#include <zephyr/linker/cplusplus-rom.ld> |
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#include <zephyr/linker/thread-local-storage.ld> |
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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/common-rom/common-rom-logging.ld> |
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.noinit (NOLOAD): |
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{ |
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. = ALIGN(4); |
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*(.noinit) |
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*(.noinit.*) |
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. = ALIGN(4); |
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} > dram_seg |
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/* Shared RAM */ |
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.bss (NOLOAD): |
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{ |
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. = ALIGN (8); |
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_bss_start = ABSOLUTE(.); |
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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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_bss_end = ABSOLUTE(.); |
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} > dram_seg |
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/* linker rel sections*/ |
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#include <zephyr/linker/rel-sections.ld> |
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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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/DISCARD/ : { *(.note.GNU-stack) } |
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SECTION_PROLOGUE(.riscv.attributes, 0,) |
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{ |
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KEEP(*(.riscv.attributes)) |
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KEEP(*(.gnu.attributes)) |
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} |
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}
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