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2026-07-13 13:04:25 +08:00

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/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* ESP32-C61 Linker Script Memory Layout
* This file describes the memory layout (memory blocks) by virtual memory addresses.
* This linker script is passed through the C preprocessor to include configuration options.
* Please use preprocessor features sparingly!
* Restrict to simple macros with numeric values, and/or #if/#endif blocks.
*/
#include "sdkconfig.h"
#include "ld.common"
#if !CONFIG_SECURE_ENABLE_TEE
#define SRAM_SEG_START (0x40800000)
#else
#define SRAM_SEG_START (0x40800000 + CONFIG_SECURE_TEE_IRAM_SIZE + CONFIG_SECURE_TEE_DRAM_SIZE)
#define FLASH_SEG_OFFSET (CONFIG_SECURE_TEE_IROM_SIZE + CONFIG_SECURE_TEE_DROM_SIZE)
#endif // CONFIG_SECURE_ENABLE_TEE
#define SRAM_SEG_END 0x4083ea70 /* 2nd stage bootloader iram_loader_seg start address */
#define SRAM_SEG_SIZE SRAM_SEG_END - SRAM_SEG_START
/*
* IDRAM0_2_SEG_SIZE_DEFAULT is used when page size is 64KB
*/
#define IDRAM0_2_SEG_SIZE (CONFIG_MMU_PAGE_SIZE << 8)
MEMORY
{
/**
* All these values assume the flash cache is on, and have the blocks this uses subtracted from the length
* of the various regions. The 'data access port' dram/drom regions map to the same iram/irom regions but
* are connected to the data port of the CPU and eg allow byte-wise access.
*/
#if CONFIG_APP_BUILD_USE_FLASH_SECTIONS
#if CONFIG_SECURE_ENABLE_TEE
/* Flash mapped instruction data */
irom_seg (RX) : org = 0x42000020 + FLASH_SEG_OFFSET,
len = IDRAM0_2_SEG_SIZE - FLASH_SEG_OFFSET - 0x20
#else
/* Flash mapped instruction data */
irom_seg (RX) : org = 0x42000020, len = IDRAM0_2_SEG_SIZE - 0x20
#endif
/**
* (0x20 offset above is a convenience for the app binary image generation.
* Flash cache has 64KB pages. The .bin file which is flashed to the chip
* has a 0x18 byte file header, and each segment has a 0x08 byte segment
* header. Setting this offset makes it simple to meet the flash cache MMU's
* constraint that (paddr % 64KB == vaddr % 64KB).)
*/
#endif // CONFIG_APP_BUILD_USE_FLASH_SECTIONS
/**
* Shared data RAM, excluding memory reserved for ROM bss/data/stack.
* Enabling Bluetooth & Trace Memory features in menuconfig will decrease the amount of RAM available.
*/
sram_seg (RWX) : org = SRAM_SEG_START, len = SRAM_SEG_SIZE
#if CONFIG_APP_BUILD_USE_FLASH_SECTIONS
#if CONFIG_SECURE_ENABLE_TEE
/* Flash mapped constant data */
drom_seg (R) : org = 0x42000020 + FLASH_SEG_OFFSET,
len = IDRAM0_2_SEG_SIZE - FLASH_SEG_OFFSET - 0x20
#else
/* Flash mapped instruction data */
drom_seg (R) : org = 0x42000020, len = IDRAM0_2_SEG_SIZE - 0x20
#endif
/* (See irom_seg for meaning of 0x20 offset in the above.) */
#endif // CONFIG_APP_BUILD_USE_FLASH_SECTIONS
/* PSRAM seg */
ext_ram_seg(RWX) : org = 0x42000020, len = IDRAM0_2_SEG_SIZE - 0x20
}
/* Heap ends at top of sram_seg */
_heap_end = 0x40000000;
REGION_ALIAS("iram_text_seg", sram_seg);
REGION_ALIAS("dram_seg", sram_seg);
#if CONFIG_APP_BUILD_USE_FLASH_SECTIONS
REGION_ALIAS("flash_text_seg", irom_seg);
REGION_ALIAS("flash_rodata_seg", drom_seg);
#else
REGION_ALIAS("flash_text_seg", sram_seg);
REGION_ALIAS("flash_rodata_seg", sram_seg);
#endif // CONFIG_APP_BUILD_USE_FLASH_SECTIONS
ALIGN_VECTOR_TABLE = 0x100;
OFFSET_TEE = 0x2b0;