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https://github.com/openmv/openmv.git
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225 lines
5.5 KiB
ArmAsm
Executable File
225 lines
5.5 KiB
ArmAsm
Executable File
/*
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* This file is part of the OpenMV project.
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*
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* Copyright (c) 2013-2021 Ibrahim Abdelkader <iabdalkader@openmv.io>
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* Copyright (c) 2013-2021 Kwabena W. Agyeman <kwagyeman@openmv.io>
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*
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* This work is licensed under the MIT license, see the file LICENSE for details.
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*
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* Linker script for STM32 Devices.
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*/
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/* Entry Point */
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ENTRY(Reset_Handler)
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#include "omv_boardconfig.h"
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/* Specify the memory areas */
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MEMORY
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{
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DTCM (xrw) : ORIGIN = OMV_DTCM_ORIGIN, LENGTH = OMV_DTCM_LENGTH
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#if defined(OMV_ITCM_ORIGIN)
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ITCM (xrw) : ORIGIN = OMV_ITCM_ORIGIN, LENGTH = OMV_ITCM_LENGTH
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#endif
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SRAM1 (xrw) : ORIGIN = OMV_SRAM1_ORIGIN, LENGTH = OMV_SRAM1_LENGTH
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#if defined(OMV_SRAM2_ORIGIN)
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SRAM2 (xrw) : ORIGIN = OMV_SRAM2_ORIGIN, LENGTH = OMV_SRAM2_LENGTH
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#endif
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#if defined(OMV_SRAM3_ORIGIN)
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SRAM3 (xrw) : ORIGIN = OMV_SRAM3_ORIGIN, LENGTH = OMV_SRAM3_LENGTH
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#endif
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#if defined(OMV_SRAM4_ORIGIN)
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SRAM4 (xrw) : ORIGIN = OMV_SRAM4_ORIGIN, LENGTH = OMV_SRAM4_LENGTH
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#endif
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#if defined(OMV_AXI_SRAM_ORIGIN)
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AXI_SRAM (xrw) : ORIGIN = OMV_AXI_SRAM_ORIGIN, LENGTH = OMV_AXI_SRAM_LENGTH
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#endif
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#if defined(OMV_DRAM_ORIGIN)
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DRAM (xrw) : ORIGIN = OMV_DRAM_ORIGIN, LENGTH = OMV_DRAM_LENGTH
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#endif
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FLASH_TEXT (rx) : ORIGIN = OMV_TEXT_ORIGIN, LENGTH = OMV_TEXT_LENGTH
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}
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_ram_end = ORIGIN(OMV_MAIN_MEMORY) + LENGTH(OMV_MAIN_MEMORY);
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#if defined(OMV_FFS_MEMORY)
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#if !defined(OMV_FFS_MEMORY_OFFSET)
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#define OMV_FFS_MEMORY_OFFSET (0)
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#endif
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_ffs_cache = ORIGIN(OMV_FFS_MEMORY) + OMV_FFS_MEMORY_OFFSET;
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#endif
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#if defined(OMV_JPEG_MEMORY)
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#if !defined(OMV_JPEG_MEMORY_OFFSET)
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#define OMV_JPEG_MEMORY_OFFSET (0)
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#endif
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_jpeg_buf = ORIGIN(OMV_JPEG_MEMORY) + OMV_JPEG_MEMORY_OFFSET;
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#endif
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#if defined(OMV_VOSPI_MEMORY)
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#if !defined(OMV_VOSPI_MEMORY_OFFSET)
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#define OMV_VOSPI_MEMORY_OFFSET (0)
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#endif
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_vospi_buf = ORIGIN(OMV_VOSPI_MEMORY) + OMV_VOSPI_MEMORY_OFFSET;
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#endif
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_heap_size = OMV_HEAP_SIZE; /* required amount of heap */
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_stack_size = OMV_STACK_SIZE; /* minimum amount of stack */
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/* Define output sections */
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SECTIONS
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{
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/* The program code and other data goes into FLASH */
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.text :
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{
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. = ALIGN(4);
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KEEP(*(.isr_vector))// ISR table
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. = ALIGN(4);
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*(.text) // .text sections (code)
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. = ALIGN(4);
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*(.text*) // .text* sections (code)
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. = ALIGN(4);
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*(.rodata) // .rodata sections (constants, strings, etc.)
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. = ALIGN(4);
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*(.rodata*) // .rodata* sections (constants, strings, etc.)
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. = ALIGN(4);
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_etext = .; // define a global symbols at end of code
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} >FLASH_TEXT
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/* used by the startup to initialize data */
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_sidata = LOADADDR(.data);
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/* Main framebuffer memory */
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.fb_memory (NOLOAD) :
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{
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. = ALIGN(4);
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_fb_base = .;
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. = . + OMV_FB_SIZE + OMV_FB_ALLOC_SIZE;
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. = ALIGN(4);
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_fballoc = .;
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. = ALIGN(4);
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} >OMV_FB_MEMORY
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#if defined(OMV_FB_OVERLAY_MEMORY)
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.fb_overlay_memory (NOLOAD) :
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{
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. = ALIGN(4);
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_fballoc_overlay_start = .;
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. = . + OMV_FB_OVERLAY_MEMORY_OFFSET;
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_fballoc_overlay_end = .;
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} >OMV_FB_OVERLAY_MEMORY
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#endif
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/* Misc DMA buffers section */
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.dma_memory (NOLOAD) :
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{
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. = ALIGN(16);
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_line_buf = .; // Image line buffer.
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. = . + OMV_LINE_BUF_SIZE;
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. = ALIGN(16);
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_msc_buf = .; // USB MSC bot data (2K)
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. = . + OMV_MSC_BUF_SIZE;
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. = ALIGN(16);
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_vfs_buf = .; // VFS sturct + FATFS file buffer (around 624 bytes)
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. = . + OMV_VFS_BUF_SIZE;
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#if !defined(OMV_FFS_MEMORY)
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. = ALIGN(16);
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_ffs_cache = .; // Flash filesystem cache
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. = . + OMV_FFS_BUF_SIZE;
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#endif
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#if !defined(OMV_JPEG_MEMORY)
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. = ALIGN(16);
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_jpeg_buf = .; // IDE JPEG buffer
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. = . + OMV_JPEG_BUF_SIZE;
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#endif
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. = ALIGN(16);
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*(.dma_buffer)
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} >OMV_DMA_MEMORY
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/* Domain 1 DMA buffers. */
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#if defined(OMV_DMA_MEMORY_D1)
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.d1_dma_memory (NOLOAD) :
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{
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. = ALIGN(16);
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*(.d1_dma_buffer)
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} >OMV_DMA_MEMORY_D1
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#endif
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/* Domain 2 DMA buffers. */
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#if defined(OMV_DMA_MEMORY_D2)
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.d2_dma_memory (NOLOAD) :
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{
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. = ALIGN(16);
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*(.d2_dma_buffer)
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} >OMV_DMA_MEMORY_D2
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#endif
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/* Domain 3 DMA buffers. */
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#if defined(OMV_DMA_MEMORY_D3)
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.d3_dma_memory (NOLOAD) :
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{
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. = ALIGN(16);
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*(.d3_dma_buffer)
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} >OMV_DMA_MEMORY_D3
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#endif
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/* Initialized data sections */
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.data :
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{
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. = ALIGN(4);
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_sdata = .; // Create a global symbol at data start
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_ram_start = .;
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*(.data) // .data sections
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. = ALIGN(4);
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*(.data*) // .data* sections
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. = ALIGN(4);
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_edata = .; // define a global symbol at data end
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} >OMV_MAIN_MEMORY AT> FLASH_TEXT
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/* Uninitialized data section */
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. = ALIGN(4);
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.bss (NOLOAD) :
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{
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. = ALIGN(4);
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_sbss = .; // Used by the startup to initialize the .bss secion
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. = ALIGN(4);
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*(.bss*)
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. = ALIGN(4);
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*(COMMON)
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. = ALIGN(4);
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_ebss = .; // define a global symbol at bss end
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} >OMV_MAIN_MEMORY
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._heap (NOLOAD) :
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{
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. = ALIGN(4);
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_heap_start = .;
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. = . + _heap_size;
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. = ALIGN(4);
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_heap_end = .;
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} >OMV_MAIN_MEMORY
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/* Make sure there is enough ram for the stack */
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._stack (NOLOAD) :
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{
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. = ALIGN(8);
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_sstack = .;
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. = . + _stack_size;
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. = ALIGN(8);
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_estack = .;
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} >OMV_STACK_MEMORY
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.ARM.attributes 0 : { *(.ARM.attributes) }
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}
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