Changeset 3317d1e in rtems

Timestamp:
01/26/22 16:57:49 (2 years ago)
Author:
Kinsey Moore <kinsey.moore@…>
Branches:
master
Children:
fa944c5
Parents:
16d40ce
git-author:
Kinsey Moore <kinsey.moore@…> (01/26/22 16:57:49)
git-committer:
Joel Sherrill <joel@…> (02/23/22 14:35:45)
Message:

cpukit/libdebugger: Add MicroBlaze? support

Add MicroBlaze? support for libdebugger. This uses only software break
type instructions to provide self-hosted GDB debugging support for
applications since internal control of debug hardware is not possible.

Also of note, this implementation for MicroBlaze? would typically use the
brki instruction for software break, but instead uses an illegal opcode
to manage software breaks as exceptions. This is due to poor interaction
with the debug hardware where the debug hardware will intercept software
breaks instead of allowing the software break vector to execute.

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