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History log of /src/sys/arch/sgimips/mace/mace.c
RevisionDateAuthorComments
 1.27  20-Dec-2023  thorpej Remove unnecessary <sys/malloc.h>.
 1.26  03-Aug-2023  mrg check a pointer's value not the address of a pointer.

found by GCC 12.
 1.25  07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.24  24-Apr-2021  thorpej branches: 1.24.8;
Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass along, just have a single call that
takes a variadic list of tag-value arguments.

Adjust all call sites:
- Simplify wherever possible; don't pass along arguments that aren't
actually needed.
- Don't be explicit about what interface attribute is attaching if
the device only has one. (More simplification.)
- Add a config_probe() function to be used in indirect configuiration
situations, making is visibly easier to see when indirect config is
in play, and allowing for future change in semantics. (As of now,
this is just a wrapper around config_match(), but that is an
implementation detail.)

Remove unnecessary or redundant interface attributes where they're not
needed.

There are currently 5 "cfargs" defined:
- CFARG_SUBMATCH (submatch function for direct config)
- CFARG_SEARCH (search function for indirect config)
- CFARG_IATTR (interface attribte)
- CFARG_LOCATORS (locators array)
- CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles)

...and a sentinel value CFARG_EOL.

Add some extra sanity checking to ensure that interface attributes
aren't ambiguous.

Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark
ports to associate those device handles with device_t instance. This
will trickle trough to more places over time (need back-end for pre-OFW
Sun OBP; any others?).
 1.23  13-Jul-2016  macallan branches: 1.23.32;
appease gcc by removing now unnecessary cast
 1.22  30-Jun-2015  macallan shorten the interrupt name so the level field is actually readable in systat
 1.21  18-Feb-2015  macallan switch sgimips to common bus_dma and bus_space in arch/mips/
Tested on O2 and Indy.
Things that are compile-tested only for lack of hardware:
- GIO ethernet cards with PCI bridges
- IP2x hardware not found on Indy
- IP1x
 1.20  16-Dec-2013  mrg branches: 1.20.6;
- remove unused variables
- use (void) when we don't care about the return value
 1.19  27-Oct-2012  chs branches: 1.19.2;
split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.
 1.18  18-Aug-2011  macallan branches: 1.18.2; 1.18.12;
device_t-ify
 1.17  01-Jul-2011  dyoung #include <sys/bus.h> instead of <machine/bus.h>.
 1.16  14-Dec-2009  matt Merge from matt-nb5-mips64
Merge mips-specific arch files.
 1.15  23-Aug-2008  tsutsui branches: 1.15.12;
KNF and misc cosmetics.
 1.14  02-Feb-2008  sekiya branches: 1.14.6; 1.14.10; 1.14.12; 1.14.16;
Garbage-collect my old broken attempt at creating a ringbuffer for the audio
chip. Fix grammar in a comment while I'm here.
 1.13  17-Oct-2007  garbled branches: 1.13.2;
Merge the ppcoea-renovation branch to HEAD.

This branch was a major cleanup and rototill of many of the various OEA
cpu based PPC ports that focused on sharing as much code as possible
between the various ports to eliminate near-identical copies of files in
every tree. Additionally there is a new PIC system that unifies the
interface to interrupt code for all different OEA ppc arches. The work
for this branch was done by a variety of people, too long to list here.

TODO:
bebox still needs work to complete the transition to -renovation.
ofppc still needs a bunch of work, which I will be looking at.
ev64260 still needs to be renovated
amigappc was not attempted.

NOTES:
pmppc was removed as an arch, and moved to a evbppc target.
 1.12  09-Jul-2007  ad branches: 1.12.10;
Merge some of the less invasive changes from the vmlocking branch:

- kthread, callout, devsw API changes
- select()/poll() improvements
- miscellaneous MT safety improvements
 1.11  14-Apr-2007  jmcneill branches: 1.11.2;
We don't use the RTC interrupt (yet), so mask it as well.
 1.10  14-Apr-2007  jmcneill Disable count/compare timer interrupts, as NetBSD does not use these.
 1.9  04-Mar-2007  christos branches: 1.9.2; 1.9.4;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.8  26-Nov-2005  tsutsui branches: 1.8.26;
Use aprint_debug() instead of aprint_normal() for messages
of establishing/disestablishing mace interrupt.
 1.7  26-Aug-2005  drochner branches: 1.7.6;
s/locdesc_t/int/g
 1.6  30-Jun-2005  drochner branches: 1.6.2;
adaptions to config_search() change, and minor autoconf fixes, mostly from Havard Eidnes
 1.5  06-Sep-2004  sekiya Use the mace interrupt handler for PCI interrupts.

From KIYOHARA Takashi
 1.4  10-Jul-2004  tsutsui branches: 1.4.2;
Count mace interrupts by evcnt(9).
 1.3  10-Jul-2004  tsutsui Remove a debug printf.
 1.2  10-Jul-2004  tsutsui Make sure shared interrupts properly handled.
 1.1  18-Jan-2004  sekiya branches: 1.1.2;
Following the example of the hpc/, gio/, and ioc/ directories, move the
mace devices to their own mace/ directory. Alter conf/files.sgimips to
reflect this change in a sane manner (i.e., pull in dev/files.dev and
mace/files.mace when appropriate).

At the same time, allow crime_intr_establish() to fall through to
mace_intr_establish(). mace devices now call cpu_intr_establish().
 1.1.2.1  15-Jul-2004  he Pull up revisions 1.2-1.3 (requested by tsutsui in ticket #657):
Make sure shared interrupts are properly handled. Makes
com0/com1/lpt0 on mace work if more than one is configured.
 1.4.2.6  11-Dec-2005  christos Sync with head.
 1.4.2.5  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.4.2.4  21-Sep-2004  skrll Fix the sync with head I botched.
 1.4.2.3  18-Sep-2004  skrll Sync with HEAD.
 1.4.2.2  03-Aug-2004  skrll Sync with HEAD
 1.4.2.1  10-Jul-2004  skrll file mace.c was added on branch ktrace-lwp on 2004-08-03 10:40:07 +0000
 1.6.2.3  04-Feb-2008  yamt sync with head.
 1.6.2.2  03-Sep-2007  yamt sync with head.
 1.6.2.1  21-Jun-2006  yamt sync with head.
 1.7.6.1  29-Nov-2005  yamt sync with head.
 1.8.26.2  15-Apr-2007  yamt sync with head.
 1.8.26.1  12-Mar-2007  rmind Sync with HEAD.
 1.9.4.1  11-Jul-2007  mjf Sync with head.
 1.9.2.2  15-Jul-2007  ad Sync with head.
 1.9.2.1  27-May-2007  ad Sync with head.
 1.11.2.1  03-Oct-2007  garbled Sync with HEAD
 1.12.10.2  23-Mar-2008  matt sync with HEAD
 1.12.10.1  06-Nov-2007  matt sync with HEAD
 1.13.2.1  18-Feb-2008  mjf Sync with HEAD.
 1.14.16.1  19-Oct-2008  haad Sync with HEAD.
 1.14.12.1  18-Sep-2008  wrstuden Sync with wrstuden-revivesa-base-2.
 1.14.10.2  11-Mar-2010  yamt sync with head
 1.14.10.1  04-May-2009  yamt sync with head.
 1.14.6.1  28-Sep-2008  mjf Sync with HEAD.
 1.15.12.2  23-Nov-2009  matt mips3_ld/mips3_sd need to be passed a volatile uint64_t *
 1.15.12.1  10-Sep-2009  matt Add preliminary LP64 support for sgimips
 1.18.12.3  03-Dec-2017  jdolecek update from HEAD
 1.18.12.2  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.18.12.1  20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.18.2.2  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.18.2.1  30-Oct-2012  yamt sync with head
 1.19.2.1  18-May-2014  rmind sync with head
 1.20.6.3  05-Oct-2016  skrll Sync with HEAD
 1.20.6.2  22-Sep-2015  skrll Sync with HEAD
 1.20.6.1  06-Apr-2015  skrll Sync with HEAD
 1.23.32.6  05-Apr-2021  thorpej Treat config_probe() as if it were a boolean function; don't compare
return value > 0... except for the odd balls, which are now really easy
to spot.
 1.23.32.5  05-Apr-2021  thorpej config_match() -> config_probe() for the straight-forward indirect config
cases. There are still a few odd balls using config_match() which should
be sorted out later.
 1.23.32.4  04-Apr-2021  thorpej CFARG_SUBMATCH -> CFARG_SEARCH for the indirect configuration uses.
 1.23.32.3  03-Apr-2021  thorpej Give config_attach() the tagged variadic argument treatment and
mechanically convert all call sites.
 1.23.32.2  21-Mar-2021  thorpej CFARG_IATTR usage audit:

If a device carries only one interface attribute, there is no need
to specify it when calling config_search(); that specification is
meant only to disambiguate which interface attribute (which is a
proxy for "what kind of attach args are being used") is having
children attached. cfparent_match() will take care of ensuring that
any potential children can attach to one of the parent's iterface
attributes, and if the parent only carries one, no disambiguation is
necessary.
 1.23.32.1  20-Mar-2021  thorpej The proliferation if config_search_*() and config_found_*() combinations
is a little absurd, so begin to tidy this up:

- Introduce a new cfarg_t enumerated type, that defines the types of
tag-value variadic arguments that can be passed to the various
config_*() functions (CFARG_SUBMATCH, CFARG_IATTR, and CFARG_LOCATORS,
for now, plus a CFARG_EOL sentinel).
- Collapse config_search_*() into config_search() that takes these
variadic arguments.
- Convert all call sites of config_search_*() to the new signature.
Noticed several incorrect usages along the way, which will be
audited in a future commit.
 1.24.8.1  04-Aug-2021  thorpej Adapt to CFARGS().

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