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CVS: cvs.openbsd.org: src

Module name:	src
Changes by:	kettenis_(_at_)_cvs_(_dot_)_openbsd_(_dot_)_org	2008/12/14 10:10:44

Modified files:
	sys/arch/sparc64/sparc64: db_interface.c 
	sys/arch/sparc64/include: db_machdep.h 
	sys/arch/sparc64/dev: bbc.c 

Log message:
Implement a "machine xir" ddb command, making it possible to send an
External Initiated Reset (XIR) to processors.  A XIR is non-maskable and will
drop us at the PROM ok prompt.  This makes it possible to diagnose problems
where a CPU is spinning with interrupts disabled.

For now, this is only supported on machines with bbc(4).

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