wehub-resource-sync
89 lines
3.1 KiB
Plaintext
89 lines
3.1 KiB
Plaintext
/*
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* SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/* TODO: [ESP32H4] IDF-12305 inherited from verification branch, need check */
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/**
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* ESP32-H4 Linker Script Memory Layout
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* This file describes the memory layout (memory blocks) by virtual memory addresses.
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* This linker script is passed through the C preprocessor to include configuration options.
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* Please use preprocessor features sparingly!
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* Restrict to simple macros with numeric values, and/or #if/#endif blocks.
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*/
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#include "sdkconfig.h"
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#include "ld.common"
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/* TODO: IDF-12517 */
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#define SRAM_SEG_START 0x40810000
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#define SRAM_SEG_END 0x4084f350 /* 2nd stage bootloader iram_loader_seg start address */
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#define SRAM_SEG_SIZE SRAM_SEG_END - SRAM_SEG_START
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#if CONFIG_APP_BUILD_USE_FLASH_SECTIONS
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/*
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* IDRAM0_2_SEG_SIZE_DEFAULT is used when page size is 64KB
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*/
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#define IDRAM0_2_SEG_SIZE (CONFIG_MMU_PAGE_SIZE << 8)
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#endif
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MEMORY
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{
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/**
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* All these values assume the flash cache is on, and have the blocks this uses subtracted from the length
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* of the various regions. The 'data access port' dram/drom regions map to the same iram/irom regions but
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* are connected to the data port of the CPU and eg allow byte-wise access.
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*/
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#if CONFIG_APP_BUILD_USE_FLASH_SECTIONS
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/* Flash mapped instruction data */
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irom_seg (RX) : org = 0x42000020, len = IDRAM0_2_SEG_SIZE - 0x20
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/**
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* (0x20 offset above is a convenience for the app binary image generation.
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* Flash cache has 64KB pages. The .bin file which is flashed to the chip
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* has a 0x18 byte file header, and each segment has a 0x08 byte segment
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* header. Setting this offset makes it simple to meet the flash cache MMU's
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* constraint that (paddr % 64KB == vaddr % 64KB).)
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*/
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#endif // CONFIG_APP_BUILD_USE_FLASH_SECTIONS
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/**
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* Shared data RAM, excluding memory reserved for ROM bss/data/stack.
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* Enabling Bluetooth & Trace Memory features in menuconfig will decrease the amount of RAM available.
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*/
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sram_seg (RWX) : org = SRAM_SEG_START, len = SRAM_SEG_SIZE
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#if CONFIG_APP_BUILD_USE_FLASH_SECTIONS
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/* Flash mapped constant data */
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drom_seg (R) : org = 0x42000020, len = IDRAM0_2_SEG_SIZE - 0x20
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/* (See irom_seg for meaning of 0x20 offset in the above.) */
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#endif // CONFIG_APP_BUILD_USE_FLASH_SECTIONS
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/**
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* `ext_ram_seg` and `drom_seg` / `irom_seg` share the same bus and the address region.
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* A dummy section is used to avoid overlap. See `.ext_ram.dummy` in `sections.ld.in`
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*/
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ext_ram_seg(RWX) : org = 0x42000020, len = IDRAM0_2_SEG_SIZE - 0x20
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}
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/* Heap ends at top of sram_seg */
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_heap_end = 0x40000000;
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REGION_ALIAS("iram_text_seg", sram_seg);
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REGION_ALIAS("dram_seg", sram_seg);
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#if CONFIG_APP_BUILD_USE_FLASH_SECTIONS
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REGION_ALIAS("flash_text_seg", irom_seg);
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REGION_ALIAS("flash_rodata_seg", drom_seg);
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#else
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REGION_ALIAS("flash_text_seg", sram_seg);
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REGION_ALIAS("flash_rodata_seg", sram_seg);
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#endif // CONFIG_APP_BUILD_USE_FLASH_SECTIONS
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ALIGN_VECTOR_TABLE = 0x40;
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