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(parent: af3971f) | patch
MIPS: fix ROM exception vectors
authorDaniel Schwierzeck <daniel.schwierzeck@gmail.com>
Sun, 7 Feb 2016 18:39:58 +0000 (19:39 +0100)
committerDaniel Schwierzeck <daniel.schwierzeck@gmail.com>
Wed, 30 Nov 2016 15:11:39 +0000 (16:11 +0100)
commit345490fcd68d830adef7fcfa4ef5bf5681c29546
tree319b20f5840e24709449ac842b173368280297cftree | snapshot
parentaf3971f81ac0fc344461cf86af682ecf1ebe18a8commit | diff
MIPS: fix ROM exception vectors

When booting from ROM, early exceptions can't be handled
properly. Instead of busy-looping give the developer the
possibilty to examine the situation. Invoke an UHI
exception operation which can be read as unhandled exception
by a hardware debugger if one is attached. If the debugger
doesn't support UHI, the exception is read as unexpected
breakpoint.

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
arch/mips/cpu/start.S diff | blob | history
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