micropython/ports/samd/boards/samd21x18a.ld

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/*
GNU linker script for SAMD21
*/
/*
_codesize is defined in mpconfigmcu.mk or mpconfigboard.mk as
MICROPY_HW_CODESIZE and is set in Makefile
*/
_flashsize = 256K; /* The physical flash size */
_bootloader = 8K; /* Must match the ORIGIN value of FLASH */
/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x00002000, LENGTH = _codesize
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 32K
}
/* Top end of the stack, with room for double-tap variable */
_estack = ORIGIN(RAM) + LENGTH(RAM) - 8;
_sstack = _estack - 8K;
_oflash_fs = ORIGIN(FLASH) + _codesize;
_sflash_fs = _flashsize - _codesize - _bootloader;
_sheap = _ebss;
_eheap = _sstack;