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CVS log for src/sys/powerpc/mambo/mambo_console.c

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Default branch: MAIN


Revision 1.5: download - view: text, markup, annotated - select for diffs
Sat Dec 17 15:08:43 2011 UTC (7 weeks, 5 days ago) by avg
Branches: MAIN
CVS tags: HEAD
Diff to: previous 1.4: preferred, colored
Changes since revision 1.4: +12 -0 lines
SVN rev 228631 on 2011-12-17 15:08:43Z by avg

kern cons: introduce infrastructure for console grabbing by kernel

At the moment grab and ungrab methods of all console drivers are no-ops.

Current intended meaning of the calls is that the kernel takes control of
console input.  In the future the semantics may be extended to mean that
the calling thread takes full ownership of the console (e.g. console
output from other threads could be suspended).

Inspired by:	bde
MFC after:	2 months

Revision 1.4.2.1.2.1: download - view: text, markup, annotated - select for diffs
Fri Nov 11 04:20:22 2011 UTC (2 months, 4 weeks ago) by kensmith
Branches: RELENG_9_0
CVS tags: RELENG_9_0_0_RELEASE
Diff to: previous 1.4.2.1: preferred, colored; next MAIN 1.5: preferred, colored
Changes since revision 1.4.2.1: +0 -0 lines
SVN rev 227445 on 2011-11-11 04:20:22Z by kensmith

Copy stable/9 to releng/9.0 as part of the FreeBSD 9.0-RELEASE release
cycle.

Approved by:	re (implicit)

Revision 1.4.2.1: download - view: text, markup, annotated - select for diffs
Fri Sep 23 00:51:37 2011 UTC (4 months, 2 weeks ago) by kensmith
Branches: RELENG_9
CVS tags: RELENG_9_0_BP
Branch point for: RELENG_9_0
Diff to: previous 1.4: preferred, colored; next MAIN 1.5: preferred, colored
Changes since revision 1.4: +0 -0 lines
SVN rev 225736 on 2011-09-23 00:51:37Z by kensmith

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by:	re (implicit)

Revision 1.4: download - view: text, markup, annotated - select for diffs
Sat Aug 27 14:24:27 2011 UTC (5 months, 2 weeks ago) by rwatson
Branches: MAIN
CVS tags: RELENG_9_BP
Branch point for: RELENG_9
Diff to: previous 1.3: preferred, colored
Changes since revision 1.3: +0 -2 lines
SVN rev 225214 on 2011-08-27 14:24:27Z by rwatson

Follow up to r225203 refining break-to-debugger run-time configuration
improvements:

(1) Implement new model in previously missed at91 UART driver
(2) Move BREAK_TO_DEBUGGER and ALT_BREAK_TO_DEBUGGER from opt_comconsole.h
    to opt_kdb.h (spotted by np)
(3) Garbage collect now-unused opt_comconsole.h

MFC after:	3 weeks
Approved by:	re (bz)

Revision 1.3: download - view: text, markup, annotated - select for diffs
Fri Aug 26 21:46:36 2011 UTC (5 months, 2 weeks ago) by rwatson
Branches: MAIN
Diff to: previous 1.2: preferred, colored
Changes since revision 1.2: +3 -19 lines
SVN rev 225203 on 2011-08-26 21:46:36Z by rwatson

Attempt to make break-to-debugger and alternative break-to-debugger more
accessible:

(1) Always compile in support for breaking into the debugger if options
    KDB is present in the kernel.

(2) Disable both by default, but allow them to be enabled via tunables
    and sysctls debug.kdb.break_to_debugger and
    debug.kdb.alt_break_to_debugger.

(3) options BREAK_TO_DEBUGGER and options ALT_BREAK_TO_DEBUGGER continue
    to behave as before -- only now instead of compiling in
    break-to-debugger support, they change the default values of the
    above sysctls to enable those features by default.  Current kernel
    configurations should, therefore, continue to behave as expected.

(4) Migrate alternative break-to-debugger state machine logic out of
    individual device drivers into centralised KDB code.  This has a
    number of upsides, but also one downside: it's now tricky to release
    sio spin locks when entering the debugger, so we don't.  However,
    similar logic does not exist in other device drivers, including uart.

(5) dcons requires some special handling; unlike other console types, it
    allows overriding KDB's own debugger selection, so we need a new
    interface to KDB to allow that to work.

GENERIC kernels in -CURRENT will now support break-to-debugger as long as
appropriate boot/run-time options are set, which should improve the
debuggability of BETA kernels significantly.

MFC after:	3 weeks
Reviewed by:	kib, nwhitehorn
Approved by:	re (bz)

Revision 1.2: download - view: text, markup, annotated - select for diffs
Mon Oct 25 15:41:12 2010 UTC (15 months, 2 weeks ago) by nwhitehorn
Branches: MAIN
Diff to: previous 1.1: preferred, colored
Changes since revision 1.1: +0 -1 lines
SVN rev 214348 on 2010-10-25 15:41:12Z by nwhitehorn

Don't create spurious /dev entries.

Submitted by:	andreast

Revision 1.1: download - view: text, markup, annotated - select for diffs
Sat Jul 31 13:22:34 2010 UTC (18 months, 1 week ago) by nwhitehorn
Branches: MAIN
SVN rev 210677 on 2010-07-31 13:22:34Z by nwhitehorn

Add support for the IBM Full-System Simulator (Mambo). This code has been
developed against the 970 and Cell simulators.

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