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*.ld: set flash and RAM size for STM32F401xC

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King Kévin 2020-11-24 15:48:25 +01:00
parent a4b5f95b07
commit e58614002c
2 changed files with 13 additions and 35 deletions
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24
application.ld
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@ -1,28 +1,16 @@
/* linker script for application running on STM32F103x8 micro-controller
* the STM32F103x8 has 64 KB of flash starting at 0x0800 0000, and 20 KB of RAM starting at 0x2000 0000
* the STM32F103xB has 128 KB of flash starting at 0x0800 0000, and 20 KB of RAM starting at 0x2000 0000
* STM32F103x8 most often have if fact 128 KB, instead of the specified and advertised 64 KB, like the STM32F103xB
* you can define the desired flash size here.
* the USB DFU bootloader will take the first 8 KB of flash, followed by the application
/* linker script for application running on STM32F401xC micro-controller
* the STM32F401xC has 256 KB of flash starting at 0x0800 0000, and 64 KB of RAM starting at 0x2000 0000
* the USB DFU bootloader will use the first sector, which is 16 KB large.
* this is followed by the application.
* the first 4 bytes of the RAM is reserved for the DFU magic word (DFU! to start DFU bootloader)
*/
/* define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x08000000 + 8K, LENGTH = 64K - 8K
ram (rwx) : ORIGIN = 0x20000000 + 4, LENGTH = 20K - 4
rom (rx) : ORIGIN = 0x08000000 + 16K, LENGTH = 256K - 16K
ram (rwx) : ORIGIN = 0x20000000 + 4, LENGTH = 64K - 4
}
PROVIDE(__application_beginning = ORIGIN(rom));
/* if you want the firmware to use the flash size advertised by the micro-controller itself, use the following:
PROVIDE(__application_end = 0);
PROVIDE(__flash_end = 0);
if you want to enforce a flash size, because there is more flash than advertized by the micro-controller, use to following:
PROVIDE(__application_end = ORIGIN(rom) + LENGTH(rom));
PROVIDE(__flash_end = ORIGIN(rom) + LENGTH(rom));
*/
PROVIDE(__application_end = 0);
PROVIDE(__flash_end = 0);
/* RAM location reserved so application can talk to bootloader and tell to start DFU */
PROVIDE(__dfu_magic = ORIGIN(ram) - 4);

24
bootloader.ld
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@ -1,28 +1,18 @@
/* linker script for application running on STM32F103x8 micro-controller
* the STM32F103x8 has 64 KB of flash starting at 0x0800 0000, and 20 KB of RAM starting at 0x2000 0000
* the STM32F103xB has 128 KB of flash starting at 0x0800 0000, and 20 KB of RAM starting at 0x2000 0000
* STM32F103x8 most often have if fact 128 KB, instead of the specified and advertised 64 KB, like the STM32F103xB
* you can define the desired flash size here.
* the USB DFU bootloader will take the first 8 KB of flash, followed by the application
/* linker script for application running on STM32F401xC micro-controller
* the STM32F401xC has 256 KB of flash starting at 0x0800 0000, and 64 KB of RAM starting at 0x2000 0000
* the USB DFU bootloader will use the first sector, which is 16 KB large.
* this is followed by the application.
* the first 4 bytes of the RAM is reserved for the DFU magic word (DFU! to start DFU bootloader)
*/
/* define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x08000000, LENGTH = 8K
ram (rwx) : ORIGIN = 0x20000000 + 4, LENGTH = 20K - 4
rom (rx) : ORIGIN = 0x08000000, LENGTH = 16K
ram (rwx) : ORIGIN = 0x20000000 + 4, LENGTH = 64K - 4
}
/* where the main application starts */
PROVIDE(__application_beginning = ORIGIN(rom) + LENGTH(rom));
/* if you want the firmware to use the flash size advertised by the micro-controller itself, use the following:
PROVIDE(__application_end = 0);
PROVIDE(__flash_end = 0);
if you want to enforce a flash size, because there is more flash than advertized by the micro-controller, use to following:
PROVIDE(__application_end = ORIGIN(rom) + LENGTH(rom));
PROVIDE(__flash_end = ORIGIN(rom) + LENGTH(rom));
*/
PROVIDE(__application_end = 0);
PROVIDE(__flash_end = 0);
/* RAM location reserved so application can talk to bootloader and tell to start DFU */
PROVIDE(__dfu_magic = ORIGIN(ram) - 4);