openmv/src/uvc/stm32fxxx.ld.S
2021-03-07 16:17:31 -08:00

225 lines
5.5 KiB
ArmAsm
Executable File

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