| /* |
| * Copyright (c) 2023 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> |
| |
| #define SRAM_IRAM_START 0x40370000 |
| #define SRAM_DIRAM_I_START 0x40378000 |
| #define SRAM_IRAM_END 0x403BA000 |
| #define I_D_SRAM_OFFSET (SRAM_DIRAM_I_START - SRAM_DRAM_START) |
| |
| #define SRAM_DRAM_START 0x3FC88000 |
| #define SRAM_DRAM_END (SRAM_IRAM_END - I_D_SRAM_OFFSET) |
| |
| #define IRAM_REGION iram0_0_seg |
| #define RAMABLE_REGION dram0_0_seg |
| #define ROMABLE_REGION iram0_0_seg |
| |
| #define IROM_SEG_ALIGN 0x4 |
| |
| MEMORY |
| { |
| iram0_0_seg(RX): org = SRAM_IRAM_END - CONFIG_ESP32S3_APPCPU_IRAM, len = CONFIG_ESP32S3_APPCPU_IRAM |
| dram0_0_seg(RW): org = SRAM_DRAM_END - CONFIG_ESP32S3_APPCPU_DRAM, len = CONFIG_ESP32S3_APPCPU_DRAM |
| #ifdef CONFIG_GEN_ISR_TABLES |
| IDT_LIST(RW): org = 0x3ebfe010, len = 0x2000 |
| #endif |
| } |
| |
| /* Default entry point: */ |
| ENTRY(__app_cpu_start) |
| |
| SECTIONS |
| { |
| #include <zephyr/linker/rel-sections.ld> |
| |
| /* Send .iram0 code to iram */ |
| .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(.); |
| |
| _iram_start = ABSOLUTE(.); |
| } GROUP_LINK_IN(IRAM_REGION) |
| |
| SECTION_PROLOGUE(_TEXT_SECTION_NAME, , ALIGN(4)) |
| { |
| /* Code marked as running out of IRAM */ |
| _iram_text_start = ABSOLUTE(.); |
| *(.iram1 .iram1.*) |
| *(.iram0.literal .iram.literal .iram.text.literal .iram0.text .iram.text) |
| *libesp32.a:panic.*(.literal .text .literal.* .text.*) |
| *librtc.a:(.literal .text .literal.* .text.*) |
| *libarch__xtensa__core.a:(.literal .text .literal.* .text.*) |
| *libkernel.a:(.literal .text .literal.* .text.*) |
| *libsoc.a:rtc_*.*(.literal .text .literal.* .text.*) |
| *libsoc.a:cpu_util.*(.literal .text .literal.* .text.*) |
| *libgcc.a:lib2funcs.*(.literal .text .literal.* .text.*) |
| *libdrivers__flash.a:flash_esp32.*(.literal .text .literal.* .text.*) |
| *libzephyr.a:windowspill_asm.*(.literal .text .literal.* .text.*) |
| *libzephyr.a:log_noos.*(.literal .text .literal.* .text.*) |
| *libdrivers__timer.a:xtensa_sys_timer.*(.literal .text .literal.* .text.*) |
| *libzephyr.a:systimer_hal.*(.literal .text .literal.* .text.*) |
| *libzephyr.a:log_core.*(.literal .text .literal.* .text.*) |
| *libzephyr.a:cbprintf_complete.*(.literal .text .literal.* .text.*) |
| *libzephyr.a:printk.*(.literal.printk .literal.vprintk .literal.char_out .text.printk .text.vprintk .text.char_out) |
| *libzephyr.a:log_msg.*(.literal .text .literal.* .text.*) |
| *libzephyr.a:log_list.*(.literal .text .literal.* .text.*) |
| *libdrivers__console.a:uart_console.*(.literal.console_out .text.console_out) |
| *libzephyr.a:log_output.*(.literal .text .literal.* .text.*) |
| *libzephyr.a:log_backend_uart.*(.literal .text .literal.* .text.*) |
| *libzephyr.a:loader.*(.literal .text .literal.* .text.*) |
| *liblib__libc__minimal.a:string.*(.literal .text .literal.* .text.*) |
| *liblib__libc__newlib.a:string.*(.literal .text .literal.* .text.*) |
| *libc.a:*(.literal .text .literal.* .text.*) |
| *libphy.a:(.phyiram .phyiram.*) |
| *libgcov.a:(.literal .text .literal.* .text.*) |
| |
| . = ALIGN(4); |
| _iram_end = ABSOLUTE(.); |
| . = ALIGN(4) + 16; |
| |
| } GROUP_LINK_IN(IRAM_REGION) |
| |
| SECTION_PROLOGUE(_RODATA_SECTION_NAME,,) |
| { |
| _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! */ |
| |
| __rodata_region_start = ABSOLUTE(.); |
| . = ALIGN(4); |
| #include <snippets-rodata.ld> |
| |
| . = ALIGN(4); |
| *(EXCLUDE_FILE (*libarch__xtensa__core.a:* *libkernel.a:fatal.* *libkernel.a:init.* *libzephyr.a:cbprintf_complete* *libzephyr.a:log_core.* *libzephyr.a:log_backend_uart.* *libzephyr.a:log_output.* *libzephyr.a:loader.* *libdrivers__serial.a:uart_esp32.*) .rodata) |
| *(EXCLUDE_FILE (*libarch__xtensa__core.a:* *libkernel.a:fatal.* *libkernel.a:init.* *libzephyr.a:cbprintf_complete* *libzephyr.a:log_core.* *libzephyr.a:log_backend_uart.* *libzephyr.a:log_output.* *libzephyr.a:loader.* *libdrivers__serial.a:uart_esp32.*) .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); |
| _thread_local_start = ABSOLUTE(.); |
| *(.tdata) |
| *(.tdata.*) |
| *(.tbss) |
| *(.tbss.*) |
| *(.rodata_wlog) |
| *(.rodata_wlog*) |
| _thread_local_end = ABSOLUTE(.); |
| _rodata_reserved_end = ABSOLUTE(.); |
| . = ALIGN(4); |
| } GROUP_DATA_LINK_IN(RAMABLE_REGION, IRAM_REGION) |
| |
| /* Flash segments (rodata and text) should be mapped in virtual address space by providing VMA. |
| * Executing directly from LMA is not possible. */ |
| #pragma push_macro("GROUP_ROM_LINK_IN") |
| #undef GROUP_ROM_LINK_IN |
| #define GROUP_ROM_LINK_IN(vregion, lregion) > RAMABLE_REGION AT > lregion |
| #include <zephyr/linker/common-rom/common-rom-cpp.ld> |
| #include <zephyr/linker/common-rom/common-rom-kernel-devices.ld> |
| #include <zephyr/linker/common-rom/common-rom-ztest.ld> |
| #include <zephyr/linker/common-rom/common-rom-net.ld> |
| #include <zephyr/linker/common-rom/common-rom-bt.ld> |
| #include <zephyr/linker/common-rom/common-rom-debug.ld> |
| #include <zephyr/linker/common-rom/common-rom-misc.ld> |
| #pragma pop_macro("GROUP_ROM_LINK_IN") |
| |
| /* Create an explicit section at the end of all the data that shall be mapped into drom. |
| * This is used to calculate the size of the _image_drom_size variable */ |
| SECTION_PROLOGUE(_RODATA_SECTION_END,,) |
| { |
| . = ALIGN(16); |
| _image_rodata_end = ABSOLUTE(.); |
| } GROUP_DATA_LINK_IN(RAMABLE_REGION, IRAM_REGION) |
| |
| #include <snippets-sections.ld> |
| |
| .dram0.data : |
| { |
| . = ALIGN (8); |
| __data_start = ABSOLUTE(.); |
| |
| *(.data) |
| *(.data.*) |
| *(.gnu.linkonce.d.*) |
| *(.data1) |
| *(.sdata) |
| *(.sdata.*) |
| *(.gnu.linkonce.s.*) |
| *(.sdata2) |
| *(.sdata2.*) |
| *(.gnu.linkonce.s2.*) |
| /* rodata for panic handler(libarch__xtensa__core.a) and all |
| * dependent functions should be placed in DRAM to avoid issue |
| * when flash cache is disabled */ |
| *libarch__xtensa__core.a:(.rodata .rodata.*) |
| *libkernel.a:fatal.*(.rodata .rodata.*) |
| *libkernel.a:init.*(.rodata .rodata.*) |
| *libzephyr.a:cbprintf_complete*(.rodata .rodata.*) |
| *libzephyr.a:systimer_hal.*(.rodata .rodata.*) |
| *libzephyr.a:log_core.*(.rodata .rodata.*) |
| *libzephyr.a:log_backend_uart.*(.rodata .rodata.*) |
| *libzephyr.a:log_output.*(.rodata .rodata.*) |
| *libzephyr.a:loader.*(.rodata .rodata.*) |
| *libdrivers__serial.a:uart_esp32.*(.rodata .rodata.*) |
| *libdrivers__flash.a:flash_esp32.*(.rodata .rodata.*) |
| |
| KEEP(*(.jcr)) |
| *(.dram1 .dram1.*) |
| . = ALIGN(4); |
| } GROUP_DATA_LINK_IN(RAMABLE_REGION, IRAM_REGION) |
| |
| #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> |
| |
| /* logging sections should be placed in RAM area to avoid flash cache disabled issues */ |
| #pragma push_macro("GROUP_ROM_LINK_IN") |
| #undef GROUP_ROM_LINK_IN |
| #define GROUP_ROM_LINK_IN GROUP_DATA_LINK_IN |
| #include <zephyr/linker/common-rom/common-rom-logging.ld> |
| #pragma pop_macro("GROUP_ROM_LINK_IN") |
| |
| .dram0.end : |
| { |
| . = ALIGN(4); |
| |
| #include <snippets-rwdata.ld> |
| |
| . = ALIGN(4); |
| _end = ABSOLUTE(.); |
| _heap_sentry = .; |
| . = ALIGN(4); |
| __data_end = ABSOLUTE(.); |
| } GROUP_DATA_LINK_IN(RAMABLE_REGION, IRAM_REGION) |
| |
| /* Shared RAM */ |
| SECTION_DATA_PROLOGUE(_BSS_SECTION_NAME,(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(.); |
| } GROUP_LINK_IN(RAMABLE_REGION) |
| |
| ASSERT(((__bss_end - ORIGIN(dram0_0_seg)) <= LENGTH(dram0_0_seg)), "DRAM segment data does not fit.") |
| |
| SECTION_DATA_PROLOGUE(_NOINIT_SECTION_NAME, (NOLOAD),) |
| { |
| . = ALIGN(8); |
| *(.noinit) |
| *(.noinit.*) |
| . = ALIGN(8) ; |
| } GROUP_LINK_IN(RAMABLE_REGION) |
| |
| .flash.text : ALIGN(IROM_SEG_ALIGN) |
| { |
| _stext = .; |
| _text_start = ABSOLUTE(.); |
| |
| *(.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) |
| *(.literal .text .literal.* .text.*) |
| |
| /* 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 = .; |
| |
| /* 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. |
| */ |
| . = ALIGN(4); |
| _flash_cache_start = ABSOLUTE(0); |
| } GROUP_LINK_IN(IRAM_REGION) |
| |
| #ifdef CONFIG_GEN_ISR_TABLES |
| #include <zephyr/linker/intlist.ld> |
| #endif |
| |
| #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.*)) |
| } |
| |
| } |
| |
| ASSERT(((_iram_end - ORIGIN(iram0_0_seg)) <= LENGTH(iram0_0_seg)), |
| "IRAM0 segment data does not fit.") |