29 lines
1.2 KiB
Plaintext
29 lines
1.2 KiB
Plaintext
|
/* Specify the memory areas */
|
||
|
|
MEMORY
|
||
|
|
{
|
||
|
|
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
|
||
|
|
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 352K
|
||
|
|
FLASH_FS (rx) : ORIGIN = 0x08058000, LENGTH = 160K /* starting @ 352K */
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Generate a link error if heap and stack don't fit into RAM */
|
||
|
|
_minimum_heap_size = 0x200; /* required amount of heap */
|
||
|
|
_minimum_stack_size = 0x400; /* required amount of stack */
|
||
|
|
|
||
|
|
_ram_start = ORIGIN(RAM);
|
||
|
|
_ram_end = ORIGIN(RAM) + LENGTH(RAM);
|
||
|
|
|
||
|
|
_micropy_hw_internal_flash_storage_ram_cache_end = ORIGIN(RAM) + LENGTH(RAM);
|
||
|
|
_micropy_hw_internal_flash_storage_ram_cache_start = _micropy_hw_internal_flash_storage_ram_cache_end - 2K; /* fs cache = 2K RAM */
|
||
|
|
|
||
|
|
/* 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 = _micropy_hw_internal_flash_storage_ram_cache_start - _estack_reserve;
|
||
|
|
_sstack = _estack - 8K; /* tunable */
|
||
|
|
|
||
|
|
_heap_start = _ebss; /* heap starts just after statically allocated memory */
|
||
|
|
_heap_end = _sstack;
|
||
|
|
|
||
|
|
_micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS);
|
||
|
|
_micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS);
|