circuitpython/ports/samd/boards/samd51p19a.ld
Peter van der Burg cd2223b8fe samd: Integrate latest asf4, add help, more time funcs and uPy features.
- Makefile: update to use new ASF4 files, support frozen manifest, and
  include source files in upcoming commits
- boards/manifest.py: add files to freeze
- boards/samd51p19a.ld: add linker script for this MCU
- help.c: add custom help text
- main.c: execute _boot.py, boot.py and main.py on start-up
- modules/_boot.py: startup file to freeze
- modutime.c: add gmtime, localtime, mktime, time functions
- mpconfigport.h: enabled more features for sys and io and modules
- mphalport.h: add mp_hal_pin_xxx macros
- mphalport.c: add mp_hal_stdio_poll
2021-11-19 11:05:05 +11:00

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/*
GNU linker script for SAMD51
*/
/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x00004000, LENGTH = 512K - 16K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 192K
}
/* Top end of the stack, with room for double-tap variable */
_estack = ORIGIN(RAM) + LENGTH(RAM) - 8;
_sstack = _estack - 16K;
_sheap = _ebss;
_eheap = _sstack;