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History log of /src/sys/arch/acorn32/mainbus/pioc.c
RevisionDateAuthorComments
 1.20  07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.19  24-Apr-2021  thorpej branches: 1.19.8;
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?).
 1.18  27-Oct-2012  chs branches: 1.18.52;
split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.
 1.17  19-Jul-2011  dyoung branches: 1.17.2; 1.17.12;
Change <machine/bus.h> to <sys/bus.h> throughout.

Split bus.h -> bus_{defs,funcs}.h.

Mark acorn32/bus.h obsolete.
 1.16  03-Jun-2011  matt device_t, cfdata_t, device_private, device_xname cleanup
CFATTACH_DECL_NEW for struct device only devices
bump SYMTAB_SPACE for EB7500ATX
 1.15  12-May-2009  cegger branches: 1.15.4; 1.15.6; 1.15.10;
use device_xname()
 1.14  14-Mar-2009  dsl Change about 4500 of the K&R function definitions to ANSI ones.
There are still about 1600 left, but they have ',' or /* ... */
in the actual variable definitions - which my awk script doesn't handle.
There are also many that need () -> (void).
(The script does handle misordered arguments.)
 1.13  14-Mar-2009  dsl Remove all the __P() from sys (excluding sys/dist)
Diff checked with grep and MK1 eyeball.
i386 and amd64 GENERIC and sys still build.
 1.12  11-Dec-2005  christos branches: 1.12.80; 1.12.88; 1.12.94;
merge ktrace-lwp.
 1.11  26-Aug-2005  drochner s/locdesc_t/int/g
 1.10  30-Jun-2005  drochner branches: 1.10.2;
adaptions to config_search() change, and minor autoconf fixes, mostly from Havard Eidnes
 1.9  28-Jun-2005  drochner convert remaining autoconf bus "submatch" functions to use the new
signature (passing locators), and remove some which obviously don't
serve any purpose
(untested, sorry)
 1.8  14-Dec-2004  chs use the generated macros in locators.h rather than hard-coded numbers
to index the cf_loc[] array. reviewed by allen briggs.
 1.7  14-Jul-2003  lukem use __KERNEL_RCSID() in a consistent manner
 1.6  01-Jan-2003  thorpej branches: 1.6.2;
Use aprint_normal() for cfprint routines.
 1.5  02-Oct-2002  thorpej Fix script-o's in previous.
 1.4  02-Oct-2002  thorpej Use CFATTACH_DECL().
 1.3  27-Sep-2002  thorpej Declare all cfattach structures const.
 1.2  27-Sep-2002  thorpej Introduce a new routine, config_match(), which invokes the
cfattach->ca_match function in behalf of the caller. Use it
rather than invoking cfattach->ca_match directly.
 1.1  05-Oct-2001  reinoud branches: 1.1.4; 1.1.6;
Initial commit of the splitting off of arch/acorn32 from arch/arm32.

The IOMD/VIDC combination is now moved to arch/arm/iomd together. These
files still need a lot of cleaning up :( .... esp. the RC7500 support that
is still dormant in it; this needs either to be removed or split out for
RC7500's ``VIDC'' video/audio variant.

Apart from the RC7500 support wich is still in arch/arm32 the
iomd,vidc,riscpc and podulebus subdirectories of arch/arm32 can be removed.

This split still uses some small parts of arch/arm32 .... those are the MI
parts that haven't been moved yet.

RiscPC/A7000 have been tested and confirmed to build as should NC.
 1.1.6.3  10-Oct-2002  jdolecek sync kqueue with -current; this includes merge of gehenna-devsw branch,
merge of i386 MP branch, and part of autoconf rototil work
 1.1.6.2  10-Jan-2002  thorpej Sync kqueue branch with -current.
 1.1.6.1  05-Oct-2001  thorpej file pioc.c was added on branch kqueue on 2002-01-10 19:36:28 +0000
 1.1.4.3  03-Jan-2003  thorpej Sync with HEAD.
 1.1.4.2  18-Oct-2002  nathanw Catch up to -current.
 1.1.4.1  05-Oct-2001  nathanw file pioc.c was added on branch nathanw_sa on 2002-10-18 02:33:40 +0000
 1.6.2.5  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.6.2.4  18-Dec-2004  skrll Sync with HEAD.
 1.6.2.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.6.2.2  18-Sep-2004  skrll Sync with HEAD.
 1.6.2.1  03-Aug-2004  skrll Sync with HEAD
 1.10.2.1  21-Jun-2006  yamt sync with head.
 1.12.94.1  13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.12.88.1  28-Apr-2009  skrll Sync with HEAD.
 1.12.80.2  16-May-2009  yamt sync with head
 1.12.80.1  04-May-2009  yamt sync with head.
 1.15.10.1  23-Jun-2011  cherry Catchup with rmind-uvmplock merge.
 1.15.6.1  06-Jun-2011  jruoho Sync with HEAD.
 1.15.4.1  12-Jun-2011  rmind sync with head
 1.17.12.1  20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.17.2.1  30-Oct-2012  yamt sync with head
 1.18.52.8  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.
 1.18.52.7  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.
 1.18.52.6  04-Apr-2021  thorpej CFARG_SUBMATCH -> CFARG_SEARCH for the indirect configuration uses.
 1.18.52.5  03-Apr-2021  thorpej Give config_attach() the tagged variadic argument treatment and
mechanically convert all call sites.
 1.18.52.4  22-Mar-2021  thorpej Audit CFARG_IATTR in config_found() calls, and remove it in situations
where the interface attribute is not ambiguous.
 1.18.52.3  22-Mar-2021  thorpej Mechanical conversion of config_found_sm_loc() -> config_found().
CFARG_IATTR usage needs to be audited.
 1.18.52.2  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.
 1.18.52.1  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.
 1.19.8.1  03-Aug-2021  thorpej Adapt to CFARGS().

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