mirror of
https://github.com/licsber/micropython.git
synced 2024-09-20 17:10:24 +08:00
14cf91f704
Previously the end of the heap was the start (lowest address) of the stack. With the changes in this commit these addresses are now independent, allowing a board to place the heap and stack in separate locations.
28 lines
895 B
Plaintext
28 lines
895 B
Plaintext
/*
|
|
GNU linker script for STM32L432KC
|
|
*/
|
|
|
|
/* Specify the memory areas */
|
|
MEMORY
|
|
{
|
|
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 256K
|
|
FLASH_TEXT (rx) : ORIGIN = 0x08000000, LENGTH = 256K
|
|
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 48K
|
|
SRAM2 (xrw) : ORIGIN = 0x10000000, LENGTH = 16K
|
|
}
|
|
|
|
/* 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);
|
|
_sstack = _estack - 6K; /* tunable */
|
|
|
|
/* 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;
|