STM32: GCC linker script changing from STM32F100 to STM32F103

• STM32: GCC linker script changing from STM32F100 to STM32F103
  Posted by rhodges on 16 Mar, 2019 20:19
• I am getting into STM32 land now
  
  I have installed my ARM tools and I have built a demo program, looked at the startup and main code, and am looking forward to working with it.
  
  The example code is from Dr. Geoffrey Brown and it has a linker script for the STM32F100 (128K Flash, 8K RAM). I have two boards witth STM32F103C8 (64K Flash, 20K RAM).
  
  I copied his script and changed the memory section to:
  

  Code: [Select]

  MEMORY
{
  RAM (rwx)  : ORIGIN = 0x20000000, LENGTH = 20K
  FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K
}
Is this all I need to change? Thanks!
  
• #1 Reply
  Posted by ataradov on 16 Mar, 2019 21:22
• That depends on what else is in the linker script. Attach the complete file.
• #2 Reply
  Posted by rhodges on 16 Mar, 2019 21:43
• Okay, here is the whole thing. (If the attachment doesn't work, I will cut and paste it in.)

  ---

  stm32f103.h
• #3 Reply
  Posted by ataradov on 16 Mar, 2019 21:46
• This is a well written linker script. Those changes should be sufficient.
  
  I like the idea with stack size checker. I will borrow that for my scripts.