mjb/altos/src/stm/ao_mpu_stm.c, branch telemega-v2AltOS - the operating system for Altus Metrum products
https://git.ethernal.org/mjb/altos/atom?h=telemega-v22012-10-25T07:07:14+00:00altos: Add stack-guard code. Uses STM MPU to trap stack overflow.2012-10-25T07:07:14+00:00Keith Packardkeithp@keithp.com2012-10-25T05:46:55+00:00urn:sha1:4b13d3c659240e5a8347b1ba7ab0bf1d8355eba3
This marks the lowest portion of the stack as inaccessible to the CPU,
causing the processor to fault when it reaches it. The fault then
generates a panic message so that the user can know what happened.
Signed-off-by: Keith Packard <keithp@keithp.com>