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For debug, in common code let's log the watchdog PC and task id as our SW panic params. BUG=chromium:790006 BRANCH=none TEST=manually test scarlet rev2 from a1-a3, b1-b2: (a1) Add 'while(1);' in button ISR (a2) Boot and press the button (a3) When watchdog is triggeried, check with 'panicinfo' that saved R5 is the PC for button ISR. (b1) 'crash watchdog' in EC console (b2) Check with 'panicinfo' that CONSOLE task id is saved in EXCEPTION and PC is saved in R5. Change-Id: I64d2fcf594dd24b0951e002ab8e80ebcac2d1def Signed-off-by: Philip Chen <philipchen@google.com> Reviewed-on: https://chromium-review.googlesource.com/803618 Commit-Ready: Philip Chen <philipchen@chromium.org> Tested-by: Philip Chen <philipchen@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly