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How do I set the FLASH address [message #1847835]

Tue, 09 November 2021 15:00

Eclipse User

I am converting a project from another tool and while I am able to compile and link the project, it is not picking up the FLASH and RAM memory addresses for the linker to link the project. The result the FLASH address is being set to 0x8000.

I don't see anywhere to specifically set these in the project.

The target processor is the GD32F303CGT6

The toolchain is GNU Tools for ARM Embedded Processors (arm-none-eabi-gcc)

In the project, the memory map is defined in a header file (gd32f30x.h). Here is part of the definition:

/* main flash and SRAM memory map */
#define FLASH_BASE ((uint32_t)0x08000000U) /*!< main FLASH base address */
#define SRAM_BASE ((uint32_t)0x20000000U) /*!< SRAM0 base address */
#define OB_BASE ((uint32_t)0x1FFFF800U) /*!< OB base address */
#define DBG_BASE ((uint32_t)0xE0042000U) /*!< DBG base address */
#define EXMC_BASE ((uint32_t)0xA0000000U) /*!< EXMC register base address */

/* peripheral memory map */
#define APB1_BUS_BASE ((uint32_t)0x40000000U) /*!< apb1 base address */
#define APB2_BUS_BASE ((uint32_t)0x40010000U) /*!< apb2 base address */
#define AHB1_BUS_BASE ((uint32_t)0x40018000U) /*!< ahb1 base address */
#define AHB3_BUS_BASE ((uint32_t)0x60000000U) /*!< ahb3 base address */

Attachment: gd32f30x.h
(Size: 26.78KB, Downloaded 112 times)

Re: How do I set the FLASH address [message #1847847 is a reply to message #1847835]

Wed, 10 November 2021 05:28

Eclipse User

You have to change the linker script. It is the tool to describe the address ranges to the final binary file.

Get the GNU ld manual and read about linker scripts. GNU ld is a part of the GNU binutils package.

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