circuitpython/ports/stm32/boards/PYBD_SF2/f722_qspi.ld
Andrew Leech fa57ee971b stm32/boards: Consolidate linker snippets to reduce duplication.
This commit uses the REGION_ALIAS GNU linker command to simplify the linker
snippets and consolidate the duplication.

Signed-off-by: Damien George <damien@micropython.org>
2023-01-13 15:14:26 +11:00

66 lines
1.8 KiB
Plaintext

/*
Linker script for PYBD with STM32F722/STM32F723/STM32F732/STM32F733
Memory layout for mboot configuration (this here describes the app part):
FLASH_APP .isr_vector
FLASH_APP .text
FLASH_APP .data
FLASH_EXT .big_const
RAM .data
RAM .bss
RAM .heap
RAM .stack
*/
/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K
FLASH_ISR (rx) : ORIGIN = 0x08000000, LENGTH = 32K /* sectors 0,1 */
FLASH_APP (rx) : ORIGIN = 0x08008000, LENGTH = 480K /* sectors 2-7 */
FLASH_EXT (rx) : ORIGIN = 0x90000000, LENGTH = 2048K /* external QSPI */
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 256K /* DTCM+SRAM1+SRAM2 */
}
/* produce a link error if there is not this amount of RAM for these sections */
_minimum_stack_size = 2K;
_minimum_heap_size = 16K;
/* Define the stack. The stack is full descending so begins just above last byte
of RAM. Note that EABI requires the stack to be 8-byte aligned for a call. */
_estack = ORIGIN(RAM) + LENGTH(RAM) - _estack_reserve;
_sstack = _estack - 16K;
/* RAM extents for the garbage collector */
_ram_start = ORIGIN(RAM);
_ram_end = ORIGIN(RAM) + LENGTH(RAM);
_heap_start = _ebss; /* heap starts just after statically allocated memory */
_heap_end = _sstack;
ENTRY(Reset_Handler)
REGION_ALIAS("FLASH_COMMON", FLASH_APP);
/* Define output sections */
SECTIONS
{
.text_ext :
{
. = ALIGN(4);
*lib/btstack/*(.text* .rodata*)
*lib/mbedtls/*(.text* .rodata*)
*lib/mynewt-nimble/*(.text* .rodata*)
. = ALIGN(512);
*(.big_const*)
. = ALIGN(4);
} >FLASH_EXT
INCLUDE common_isr.ld
INCLUDE common_text.ld
INCLUDE common_extratext_data_in_flash.ld
INCLUDE common_bss_heap_stack.ld
}