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stm32f103x8.ld
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stm32f103x8.ld
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/*******************************************************************************
* GCC Linker script for STM32F103x8
* Copyright (C) 2023-2024 Xu Ruijun
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
******************************************************************************/
ENTRY( Reset_Handler )
PROVIDE( _stack_size = 2048 );
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
}
PROVIDE( _estack = ORIGIN(RAM) + LENGTH(RAM) );
PROVIDE( _stack_begin = _estack - _stack_size );
SECTIONS
{
.isr_vectab :
{
. = ALIGN(4);
KEEP(*(.isr_vector))
. = ALIGN(4);
} >FLASH
PROVIDE( _program_begin = . );
.text :
{
*(.text.Reset_Handler) /*CPU上电后执行的第一条指令在0x00000000, Reset_Handler需要放在这里*/
*(.vectab) /*中断向量表每项只能放置一条跳转指令,跳转空间只有±2KB空间*/
*(.text.*Handler)
*(.text)
*(.text.*)
} >FLASH AT>FLASH
.rodata : /*只读数据*/
{
. = ALIGN(4);
*(.rodata .rodata.*)
} >FLASH AT>FLASH
PROVIDE( _sidata = . );
.data : /*已初始化的变量*/
{
. = ALIGN(4);
PROVIDE( _sdata = . );
*(.data .data.*)
PROVIDE( _edata = . );
} >RAM AT>FLASH
PROVIDE( _program_end = . - _data_begin_lma + data_begin_vma ); /*程序结束,FLASH此后可以写自定义数据*/
.bss : /*未初始化的变量*/
{
. = ALIGN(4);
PROVIDE( _sbss = . );
*(.sbss .sbss.*)
*(.bss .bss.*)
*(COMMON)
PROVIDE( _ebss = . );
ASSERT(( _ebss <= _stack_begin ), "Error: RAM no space");
} >RAM
}