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History log of /src/sys/arch/evbarm/lubbock
RevisionDateAuthorComments
 1.7 08-Feb-2018  dholland Typos.
 1.6 12-Nov-2012  skrll C99 types
 1.5 27-Oct-2012  chs split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.
 1.4 01-Jul-2011  dyoung branches: 1.4.2; 1.4.12;
#include <sys/bus.h> instead of <machine/bus.h>.
 1.3 29-May-2009  rjs Make the following changes:

struct device * -> device_t
struct cfdata * -> cfdata_t
printf -> aprint_
device_t/softc split
 1.2 28-Apr-2008  martin Remove clause 3 and 4 from TNF licenses
 1.1 18-Jun-2003  bsh branches: 1.1.104; 1.1.106; 1.1.108;
MD part for Intel Lubbock (DBPXA250).

built-in UART and on-board ethernet are supported for now.
LCD, PCMCIA, CF, PS/2, AC97 will follow shortly.
 1.1.108.2 20-Jun-2009  yamt sync with head
 1.1.108.1 16-May-2008  yamt sync with head.
 1.1.106.1 18-May-2008  yamt sync with head.
 1.1.104.1 02-Jun-2008  mjf Sync with HEAD.
 1.4.12.1 20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.4.2.2 16-Jan-2013  yamt sync with (a bit old) head
 1.4.2.1 30-Oct-2012  yamt sync with head
 1.18 20-Dec-2023  thorpej Remove unnecessary <sys/malloc.h>.
 1.17 07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.16 24-Apr-2021  thorpej branches: 1.16.8;
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?).
 1.15 25-Jul-2014  dholland branches: 1.15.42;
Add d_discard to all struct cdevsw instances I could find.

All have been set to "nodiscard"; some should get a real implementation.
 1.14 16-Mar-2014  dholland branches: 1.14.2;
Change (mostly mechanically) every cdevsw/bdevsw I can find to use
designated initializers.

I have not built every extant kernel so I have probably broken at
least one build; however I've also found and fixed some wrong
cdevsw/bdevsw entries so even if so I think we come out ahead.
 1.13 27-Oct-2012  chs branches: 1.13.2;
split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.
 1.12 01-Jul-2011  dyoung branches: 1.12.2; 1.12.12;
#include <sys/bus.h> instead of <machine/bus.h>.
 1.11 13-Mar-2010  bsh fix LCD drivers for Lubbock and Twintail.
- pass correct attach args to pxa2x0_lcd_attach_sub()
- make this driver compile without wsdisplay again.
 1.10 29-May-2009  rjs branches: 1.10.2;
Make the following changes:

struct device * -> device_t
struct cfdata * -> cfdata_t
printf -> aprint_
device_t/softc split
 1.9 29-Jan-2009  nonaka - device_t/softc split.
- use aprint_* function.
 1.8 11-Jun-2008  cegger branches: 1.8.4;
use device_lookup_private to get softc
 1.7 04-Mar-2007  christos branches: 1.7.40; 1.7.42; 1.7.44; 1.7.46; 1.7.48;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.6 18-Dec-2006  nonaka branches: 1.6.2;
Fix evbarm compile again.
 1.5 17-Apr-2006  jmmv branches: 1.5.8; 1.5.10;
Properly pass down the 'vs' cookie to pxa2x0_lcd_ioctl calls. Pointed out
by he@.
 1.4 12-Apr-2006  jmmv Add an extra cookie to the ioctl and mmap wsdisplay accessops that points
to the screen on which they are being called. The driver cannot guess
this by itself but it is needed to implement, at least, the getwschar and
putwschar functions in the correct place. There are no functional changes
yet.

Tested on i386 (vga, vga_raster, machfb, vesafb), macppc and sparc64.
Suggested and reviewed by macallan@.
 1.3 23-Feb-2006  thorpej branches: 1.3.2; 1.3.4; 1.3.6;
Use device_parent().
 1.2 11-Dec-2005  christos branches: 1.2.2; 1.2.4; 1.2.6;
merge ktrace-lwp.
 1.1 09-Aug-2003  bsh branches: 1.1.4; 1.1.18;
add following drivers for Intel Lubbock.
LCD
on-board SA-1111 companion chip
PCMCIA/CF slots
 1.1.18.3 03-Sep-2007  yamt sync with head.
 1.1.18.2 30-Dec-2006  yamt sync with head.
 1.1.18.1 21-Jun-2006  yamt sync with head.
 1.1.4.5 17-Jan-2005  skrll Adapt to branch.
 1.1.4.4 21-Sep-2004  skrll Fix the sync with head I botched.
 1.1.4.3 18-Sep-2004  skrll Sync with HEAD.
 1.1.4.2 03-Aug-2004  skrll Sync with HEAD
 1.1.4.1 09-Aug-2003  skrll file lubbock_lcd.c was added on branch ktrace-lwp on 2004-08-03 10:34:03 +0000
 1.2.6.1 22-Apr-2006  simonb Sync with head.
 1.2.4.1 09-Sep-2006  rpaulo sync with head
 1.2.2.1 01-Mar-2006  yamt sync with head.
 1.3.6.1 24-May-2006  tron Merge 2006-05-24 NetBSD-current into the "peter-altq" branch.
 1.3.4.1 19-Apr-2006  elad sync with head - hopefully this will work
 1.3.2.1 24-May-2006  yamt sync with head.
 1.5.10.1 21-Dec-2006  yamt sync with head.
 1.5.8.1 12-Jan-2007  ad Sync with head.
 1.6.2.1 12-Mar-2007  rmind Sync with HEAD.
 1.7.48.1 18-Jun-2008  simonb Sync with head.
 1.7.46.1 23-Jun-2008  wrstuden Sync w/ -current. 34 merge conflicts to follow.
 1.7.44.3 11-Aug-2010  yamt sync with head.
 1.7.44.2 20-Jun-2009  yamt sync with head
 1.7.44.1 04-May-2009  yamt sync with head.
 1.7.42.1 17-Jun-2008  yamt sync with head.
 1.7.40.1 29-Jun-2008  mjf Sync with HEAD.
 1.8.4.1 03-Mar-2009  skrll Sync with HEAD.
 1.10.2.1 30-Apr-2010  uebayasi Sync with HEAD.
 1.12.12.2 20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.12.12.1 20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.12.2.2 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")
 1.12.2.1 30-Oct-2012  yamt sync with head
 1.13.2.1 18-May-2014  rmind sync with head
 1.14.2.1 10-Aug-2014  tls Rebase.
 1.15.42.1 21-Mar-2021  thorpej Give config_found() the same variadic arguments treatment as
config_search(). This commit only adds the CFARG_EOL sentinel
to the existing config_found() calls. Conversion of config_found_sm_loc()
and config_found_ia() call sites will be in subsequent commits.
 1.16.8.1 04-Aug-2021  thorpej Adapt to CFARGS().
 1.46 20-Feb-2024  andvar Fix format specifier for physmem from %d to 0x%"PRIxPSIZE" in multiple places.

Should fix VERBOSE_INIT_ARM for various evbarm kernel configs.
Also add 0x prefix in few previously fixed places to improve readability.
 1.45 12-Oct-2023  skrll Fix non-DIAGNOSTIC builds
 1.44 19-Jun-2023  nisimura unbreak the previous change.
 1.43 20-Apr-2023  skrll Provide a shared pmap_devmap implementation and convert all pmap_devmap
arrays to use DEVMAP_ENTRY{,_END}
 1.42 17-Aug-2021  andvar branches: 1.42.4;
fix multiplei repetitive typos in comments, messages and documentation. mainly because copy paste code big amount of files are affected.
 1.41 18-Apr-2020  skrll PMAP_DEBUG has been deleted on arm
 1.40 18-Apr-2020  skrll Trailing whitespace
 1.39 16-Jul-2019  skrll branches: 1.39.8;
Consistently use vaddr_t as initarm and friends return type.

Makes no difference to binaries except for aarch64 where it's required
 1.38 16-Jul-2019  skrll KNF
 1.37 28-Oct-2018  skrll Fix a commit
 1.36 21-Sep-2018  skrll Centralise defparam CONSADDR, CONSPEED, CONMODE and CONADDR into
opt_console.h and adjust.
 1.35 31-Jul-2018  skrll Sprinkle #include "opt_arm_debug.h" where VERBOSE_INIT_ARM is used
 1.34 22-Dec-2016  cherry branches: 1.34.14; 1.34.16;
switch all ports to use uvm_init.c:uvm_md_init()

uvm_setpagesize() is now subsumed within this funciton.
 1.33 13-Sep-2014  matt branches: 1.33.2; 1.33.4;
Replace more vm_offset_t, vm_size_t with vaddr_t, vsize_t
Use paddr_t for msgbufphys
 1.32 18-Aug-2013  matt <arm/locore.h> fallout (fixes some include ordering errors)
 1.31 22-Sep-2012  matt branches: 1.31.2;
Don't use an asm in pmap_activate to update the TTBR, use cpu_setttb instead
but add a second argument to it to indicate whether the TLB/caches need to be
flushed. Default cortex to pmap_needs_fixup = 1. But check the MMFR3 field
to see if the fixed can be skipped.
Use a cf_flag bit 0 to indicate whether the A9 L2 cache should disable (bit 0 = 1)
or enabeld (bit = 0).

With these changes, the A9 MMU can use traverse caches to do MMU tablewalks
Also, make sure all memory has the shareable bit for the A9.
 1.30 16-Aug-2012  matt branches: 1.30.2;
Move the standard definitions of the {UND,IRQ,FIQ,ABT}_STACK_SIZE to
<arm32/machdep.h>
Move the extern for cpu_reset_address to the same file.
Add cpu_reset_address_paddr.
Kill cpu_reset_v4_MMU_disable.
if cpu_reset_address is NULL, then the MMU will be disabled.
 1.29 29-Jul-2012  matt Fix more -fno-common fallout.
Move more variables to common locations.
 1.28 01-Jul-2011  dyoung branches: 1.28.2;
#include <sys/bus.h> instead of <machine/bus.h>.
 1.27 30-Jun-2011  wiz dependant -> dependent
 1.26 28-Nov-2010  hannken As md(4) no longer has "needs-count" there is no "md.h" anymore.
Remove the inclusion of this file.

Acorn32 now always builds load_memory_disc_from_floppy(). This should
not be a problem as all configs have md(4).

Observed by: Masao Uebayashi <uebayasi@netbsd.org>
 1.25 28-Dec-2009  uebayasi branches: 1.25.4;
More setttb() -> cpu_setttb() for readability & consistency. Missing instances
pointed out by tsutsui@ & nonaka@, thanks.
 1.24 26-Dec-2009  uebayasi Use cpu_* prefix to call cpu_* functions (setttb() -> cpu_setttb()); no
functional changes.
 1.23 26-Dec-2009  uebayasi Garbage collect an unused global, vm_offset_t pagetables_start.
 1.22 27-Nov-2009  rmind - Use uvm_lwp_setuarea() instead of directly setting address to lwp_t::l_addr.
- Replace most remaining uses of l_addr with uvm_lwp_getuarea() or lwp_getpcb().
- Amend assembly in ports where it accesses PCB via struct user.
- Rename L_ADDR to L_PCB in few places. Reduce sys/user.h inclusions.
 1.21 26-Nov-2009  matt Kill proc0paddr. Use lwp0.l_addr instead.
 1.20 11-Aug-2009  matt Remove all declarations of physmem from sys/arch. Add an include of
<sys/systm.h> to the one file that did not already contain it.
This now means that physmem can be changed by updating systm.h and uvm_page.c
(excluding fixing printfs)
 1.19 11-Nov-2008  dyoung It is not appropriate to call pmf_system_shutdown(9) from
doshutdownhooks(9): shutdown hooks registered by shutdownhook_establish(9)
expect to be called with interrupts disabled, but shutdown hooks
registered with pmf_device_register1(9) expect to be called with
interrupts enabled. So I have made two changes:

1 Do not call pmf_system_shutdown() from doshutdownhooks(). Instead,
change every call to doshutdownhooks() to a call to doshutdownhooks()
followed by a call to pmf_system_shutdown(). No functional change
is intended by this change.

2 Make i386 re-enable interrupts briefly while it calls
pmf_system_shutdown(). I leave it to others either to fix the
other ports, or to factor out some MI shutdown code, as joerg@
suggests, and fix that. Note that a functional change *is* intended
by this change.

I hope that this patch will stop us from flip-flopping between
calling doshutdownhooks() and pmf_system_shutdown() sometimes with
and sometimes without interrupts enabled.
 1.18 27-Apr-2008  matt branches: 1.18.6; 1.18.8;
Merge kernel changes in matt-armv6 to HEAD.
 1.17 19-Jan-2008  chris branches: 1.17.6; 1.17.8; 1.17.10;
Remove arm support for IPKDB.

It hasn't worked since arm was broken out from arm32 in Jan 2001, and
no-one has noticed or cared to fix it.
 1.16 17-Oct-2007  garbled branches: 1.16.2; 1.16.8;
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.
 1.15 21-Aug-2007  kiyohara branches: 1.15.2;
The initarm() should initialize GPIO. We must not initialize GPIO in
foo_attach() of the each drivers. And, it is necessary to confirm whether
to be initialized in foo_match(). To avoid a dangerous configuring on the
evaluation boards.
 1.14 24-Nov-2006  wiz branches: 1.14.8; 1.14.16; 1.14.22; 1.14.24; 1.14.26;
s/independant/independent/, from Zafer.
 1.13 24-Oct-2006  bjh21 parse_mi_bootargs() is declared in <arm/arm32/machdep.h>, so there's no need
to declare it here too.
 1.12 17-May-2006  mrg branches: 1.12.8; 1.12.10;
in initarm(), initialise kernel_l1pt.pv_va as well as kernel_l1pt.pv_pa.
 1.11 08-Mar-2006  lukem branches: 1.11.2;
Use the SI capitalization for "Hz", "kHz", and "MHz" in comments and strings.
Add a space between numbers and Hz unit.
 1.10 24-Dec-2005  perry branches: 1.10.4; 1.10.6; 1.10.8; 1.10.10;
Remove leading __ from __(const|inline|signed|volatile) -- it is obsolete.
 1.9 11-Dec-2005  christos merge ktrace-lwp.
 1.8 04-Jul-2005  bsh branches: 1.8.2;
adapt to changes for PXA270 support.
 1.7 18-Mar-2005  bsh modify comments for clarity.

Original comments made several people misunderstand that the comment
says kernel's pagetable is at 0xa0004000. What the comment says is
about RedBoot's pagetable.
 1.6 17-Mar-2005  bsh Switch kernels for Lubbock and TwinTail to use pmap_devmap to map
I/O registers that are used in early start-up stage. Also stop using
special bootstrap-time-only bus_space_map function in {lubbock,g42xxeb}_machdep.c.

This makes initarm() for them a bit simpler, and gives us smaller diffs
to other evbarm platforms.
 1.5 26-Feb-2005  bsh Fix kgdb_port_init() to make it compile with options KGDB.
 1.4 12-Dec-2004  abs branches: 1.4.2; 1.4.4;
Fix comments regarding configration bounaries
 1.3 12-Dec-2004  abs Fix comments slighly
 1.2 15-Jul-2003  lukem __KERNEL_RCSID()
 1.1 18-Jun-2003  bsh branches: 1.1.2;
MD part for Intel Lubbock (DBPXA250).

built-in UART and on-board ethernet are supported for now.
LCD, PCMCIA, CF, PS/2, AC97 will follow shortly.
 1.1.2.7 10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.1.2.6 01-Apr-2005  skrll Sync with HEAD.
 1.1.2.5 04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.1.2.4 18-Dec-2004  skrll Sync with HEAD.
 1.1.2.3 21-Sep-2004  skrll Fix the sync with head I botched.
 1.1.2.2 18-Sep-2004  skrll Sync with HEAD.
 1.1.2.1 03-Aug-2004  skrll Sync with HEAD
 1.4.4.1 19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.4.2.1 29-Apr-2005  kent sync with -current
 1.8.2.4 21-Jan-2008  yamt sync with head
 1.8.2.3 03-Sep-2007  yamt sync with head.
 1.8.2.2 30-Dec-2006  yamt sync with head.
 1.8.2.1 21-Jun-2006  yamt sync with head.
 1.10.10.1 19-Apr-2006  elad sync with head - hopefully this will work
 1.10.8.2 24-May-2006  yamt sync with head.
 1.10.8.1 13-Mar-2006  yamt sync with head.
 1.10.6.2 01-Jun-2006  kardel Sync with head.
 1.10.6.1 22-Apr-2006  simonb Sync with head.
 1.10.4.1 09-Sep-2006  rpaulo sync with head
 1.11.2.1 24-May-2006  tron Merge 2006-05-24 NetBSD-current into the "peter-altq" branch.
 1.12.10.1 10-Dec-2006  yamt sync with head.
 1.12.8.2 12-Jan-2007  ad Sync with head.
 1.12.8.1 18-Nov-2006  ad Sync with head.
 1.14.26.1 03-Sep-2007  jmcneill Sync with HEAD.
 1.14.24.2 28-Feb-2008  rjs Sync with HEAD.
 1.14.24.1 01-Nov-2007  rjs Sync with HEAD.
 1.14.22.1 03-Sep-2007  skrll Sync with HEAD.
 1.14.16.1 03-Oct-2007  garbled Sync with HEAD
 1.14.8.1 09-Oct-2007  ad Sync with head.
 1.15.2.3 23-Mar-2008  matt sync with HEAD
 1.15.2.2 28-Jan-2008  matt Adapt to new pmap_bootstrap signature.
 1.15.2.1 06-Nov-2007  matt sync with HEAD
 1.16.8.1 20-Jan-2008  bouyer Sync with HEAD
 1.16.2.1 18-Feb-2008  mjf Sync with HEAD.
 1.17.10.4 11-Mar-2010  yamt sync with head
 1.17.10.3 19-Aug-2009  yamt sync with head.
 1.17.10.2 04-May-2009  yamt sync with head.
 1.17.10.1 16-May-2008  yamt sync with head.
 1.17.8.1 18-May-2008  yamt sync with head.
 1.17.6.2 17-Jan-2009  mjf Sync with HEAD.
 1.17.6.1 02-Jun-2008  mjf Sync with HEAD.
 1.18.8.1 19-Jan-2009  skrll Sync with HEAD.
 1.18.6.1 13-Dec-2008  haad Update haad-dm branch to haad-dm-base2.
 1.25.4.1 05-Mar-2011  rmind sync with head
 1.28.2.2 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")
 1.28.2.1 30-Oct-2012  yamt sync with head
 1.30.2.3 03-Dec-2017  jdolecek update from HEAD
 1.30.2.2 20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.30.2.1 20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.31.2.1 28-Aug-2013  rmind sync with head
 1.33.4.1 07-Jan-2017  pgoyette Sync with HEAD. (Note that most of these changes are simply $NetBSD$
tag issues.)
 1.33.2.1 05-Feb-2017  skrll Sync with HEAD
 1.34.16.3 21-Apr-2020  martin Sync with HEAD
 1.34.16.2 13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.34.16.1 10-Jun-2019  christos Sync with HEAD
 1.34.14.3 26-Nov-2018  pgoyette Sync with HEAD, resolve a couple of conflicts
 1.34.14.2 30-Sep-2018  pgoyette Ssync with HEAD
 1.34.14.1 06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.39.8.1 20-Apr-2020  bouyer Sync with HEAD
 1.42.4.1 14-Oct-2023  martin Pull up following revision(s) (requested by skrll in ticket #411):

sys/arch/evbarm/nslu2/nslu2_machdep.c: revision 1.41
sys/arch/evbarm/gumstix/gumstix_machdep.c: revision 1.75
sys/arch/evbarm/iq80321/iq80321_machdep.c: revision 1.66
sys/arch/iyonix/iyonix/iyonix_machdep.c: revision 1.34
sys/arch/zaurus/zaurus/machdep.c: revision 1.52
sys/arch/evbarm/g42xxeb/g42xxeb_machdep.c: revision 1.41
sys/arch/hpcarm/hpcarm/pxa2x0_hpc_machdep.c: revision 1.33
sys/arch/evbarm/iq80310/iq80310_machdep.c: revision 1.96
sys/arch/evbarm/adi_brh/brh_machdep.c: revision 1.53
sys/arch/arm/include/arm32/pmap.h: revision 1.177
sys/arch/evbarm/viper/viper_machdep.c: revision 1.34
sys/arch/evbarm/iyonix/iyonix_machdep.c: revision 1.5
sys/arch/evbarm/npwr_fc/npwr_fc_machdep.c: revision 1.30
sys/arch/evbarm/hdl_g/hdlg_machdep.c: revision 1.35
sys/arch/arm/arm32/pmap.c: revision 1.440
sys/arch/evbarm/lubbock/lubbock_machdep.c: revision 1.45
sys/arch/evbarm/ixdp425/ixdp425_machdep.c: revision 1.47

Fix non-DIAGNOSTIC builds
 1.8 20-Dec-2023  thorpej Remove unnecessary <sys/malloc.h>.
 1.7 01-Jul-2011  dyoung #include <sys/bus.h> instead of <machine/bus.h>.
 1.6 13-Mar-2010  bsh fix changes for struct device split for Lubbock.
 1.5 29-May-2009  rjs branches: 1.5.2;
Make the following changes:

struct device * -> device_t
struct cfdata * -> cfdata_t
printf -> aprint_
device_t/softc split
 1.4 28-Apr-2008  martin Remove clause 3 and 4 from TNF licenses
 1.3 23-Feb-2006  thorpej branches: 1.3.68; 1.3.70; 1.3.72;
Use device_parent().
 1.2 11-Dec-2005  christos branches: 1.2.2; 1.2.4; 1.2.6;
merge ktrace-lwp.
 1.1 09-Aug-2003  bsh branches: 1.1.4; 1.1.18;
add following drivers for Intel Lubbock.
LCD
on-board SA-1111 companion chip
PCMCIA/CF slots
 1.1.18.1 21-Jun-2006  yamt sync with head.
 1.1.4.4 21-Sep-2004  skrll Fix the sync with head I botched.
 1.1.4.3 18-Sep-2004  skrll Sync with HEAD.
 1.1.4.2 03-Aug-2004  skrll Sync with HEAD
 1.1.4.1 09-Aug-2003  skrll file lubbock_pcic.c was added on branch ktrace-lwp on 2004-08-03 10:34:03 +0000
 1.2.6.1 22-Apr-2006  simonb Sync with head.
 1.2.4.1 09-Sep-2006  rpaulo sync with head
 1.2.2.1 01-Mar-2006  yamt sync with head.
 1.3.72.3 11-Aug-2010  yamt sync with head.
 1.3.72.2 20-Jun-2009  yamt sync with head
 1.3.72.1 16-May-2008  yamt sync with head.
 1.3.70.1 18-May-2008  yamt sync with head.
 1.3.68.1 02-Jun-2008  mjf Sync with HEAD.
 1.5.2.1 30-Apr-2010  uebayasi Sync with HEAD.
 1.4 11-Dec-2005  christos merge ktrace-lwp.
 1.3 17-Mar-2005  bsh Switch kernels for Lubbock and TwinTail to use pmap_devmap to map
I/O registers that are used in early start-up stage. Also stop using
special bootstrap-time-only bus_space_map function in {lubbock,g42xxeb}_machdep.c.

This makes initarm() for them a bit simpler, and gives us smaller diffs
to other evbarm platforms.
 1.2 10-Sep-2004  nathanw branches: 1.2.4; 1.2.6;
Spelling in comment.
 1.1 18-Jun-2003  bsh branches: 1.1.2;
MD part for Intel Lubbock (DBPXA250).

built-in UART and on-board ethernet are supported for now.
LCD, PCMCIA, CF, PS/2, AC97 will follow shortly.
 1.1.2.3 01-Apr-2005  skrll Sync with HEAD.
 1.1.2.2 21-Sep-2004  skrll Fix the sync with head I botched.
 1.1.2.1 18-Sep-2004  skrll Sync with HEAD.
 1.2.6.1 19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.2.4.1 29-Apr-2005  kent sync with -current
 1.3 31-Jan-2011  matt Add RCSID when needed.
Don't include pmap.h or pte.h, include "assym.h" instead.
Use assym.h provided values.
 1.2 10-Mar-2008  rafal branches: 1.2.26; 1.2.32; 1.2.34;
Fix syntax for the BUILD_STARTUP_PAGETABLE case.
 1.1 18-Jun-2003  bsh branches: 1.1.18; 1.1.80; 1.1.100; 1.1.104;
MD part for Intel Lubbock (DBPXA250).

built-in UART and on-board ethernet are supported for now.
LCD, PCMCIA, CF, PS/2, AC97 will follow shortly.
 1.1.104.1 03-Apr-2008  mjf Sync with HEAD.
 1.1.100.1 24-Mar-2008  keiichi sync with head.
 1.1.80.1 23-Mar-2008  matt sync with HEAD
 1.1.18.1 17-Mar-2008  yamt sync with head.
 1.2.34.1 08-Feb-2011  bouyer Sync with HEAD
 1.2.32.1 06-Jun-2011  jruoho Sync with HEAD.
 1.2.26.1 05-Mar-2011  rmind sync with head
 1.3 01-Jul-2011  dyoung #include <sys/bus.h> instead of <machine/bus.h>.
 1.2 29-May-2009  rjs Make the following changes:

struct device * -> device_t
struct cfdata * -> cfdata_t
printf -> aprint_
device_t/softc split
 1.1 18-Jun-2003  bsh branches: 1.1.108;
MD part for Intel Lubbock (DBPXA250).

built-in UART and on-board ethernet are supported for now.
LCD, PCMCIA, CF, PS/2, AC97 will follow shortly.
 1.1.108.1 20-Jun-2009  yamt sync with head
 1.13 13-Jul-2023  riastradh arm/xscale: Use sys/bitops.h fls32 - 1 instead of 31 - __builtin_clz.

Sidesteps namespace collision with `#define bits ...' in net/zlib.c.
 1.12 07-Aug-2021  thorpej branches: 1.12.6;
Merge thorpej-cfargs2.
 1.11 24-Apr-2021  thorpej branches: 1.11.8;
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?).
 1.10 01-Jul-2011  dyoung branches: 1.10.68;
#include <sys/bus.h> instead of <machine/bus.h>.
 1.9 29-May-2009  rjs Make the following changes:

struct device * -> device_t
struct cfdata * -> cfdata_t
printf -> aprint_
device_t/softc split
 1.8 27-Apr-2008  matt Merge kernel changes in matt-armv6 to HEAD.
 1.7 08-Jan-2008  matt branches: 1.7.6; 1.7.8; 1.7.10;
As of this commit, all arm32 kernel now build.
 1.6 11-Dec-2005  christos branches: 1.6.46; 1.6.50; 1.6.56; 1.6.64;
merge ktrace-lwp.
 1.5 26-Aug-2005  drochner s/locdesc_t/int/g
 1.4 03-Jul-2005  bsh branches: 1.4.2;
make this compile again.
+ fix wrong prototype for obio_search()
+ avoid warning by const.
ANSIfy obio_search()
 1.3 30-Jun-2005  drochner adaptions to config_search() change, and minor autoconf fixes, mostly from Havard Eidnes
 1.2 15-Jul-2003  lukem __KERNEL_RCSID()
 1.1 18-Jun-2003  bsh branches: 1.1.2;
MD part for Intel Lubbock (DBPXA250).

built-in UART and on-board ethernet are supported for now.
LCD, PCMCIA, CF, PS/2, AC97 will follow shortly.
 1.1.2.4 10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.1.2.3 21-Sep-2004  skrll Fix the sync with head I botched.
 1.1.2.2 18-Sep-2004  skrll Sync with HEAD.
 1.1.2.1 03-Aug-2004  skrll Sync with HEAD
 1.4.2.2 21-Jan-2008  yamt sync with head
 1.4.2.1 21-Jun-2006  yamt sync with head.
 1.6.64.1 08-Jan-2008  bouyer Sync with HEAD
 1.6.56.1 18-Feb-2008  mjf Sync with HEAD.
 1.6.50.1 09-Jan-2008  matt sync with HEAD
 1.6.46.1 28-Feb-2008  rjs Sync with HEAD.
 1.7.10.2 20-Jun-2009  yamt sync with head
 1.7.10.1 16-May-2008  yamt sync with head.
 1.7.8.1 18-May-2008  yamt sync with head.
 1.7.6.1 02-Jun-2008  mjf Sync with HEAD.
 1.10.68.5 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.
 1.10.68.4 04-Apr-2021  thorpej CFARG_SUBMATCH -> CFARG_SEARCH for the indirect configuration uses.
 1.10.68.3 03-Apr-2021  thorpej Give config_attach() the tagged variadic argument treatment and
mechanically convert all call sites.
 1.10.68.2 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.
 1.10.68.1 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.
 1.11.8.1 04-Aug-2021  thorpej Adapt to CFARGS().
 1.12.6.1 09-Aug-2023  martin Pull up following revision(s) (requested by maya in ticket #316):

sys/arch/m68k/include/mutex.h: revision 1.13
sys/arch/arm/include/cpu.h: revision 1.125
sys/arch/sun68k/include/intr.h: revision 1.21
sys/arch/arm/include/mutex.h: revision 1.28
sys/sys/rwlock.h: revision 1.18
sys/arch/powerpc/include/mutex.h: revision 1.7
sys/arch/arm/include/mutex.h: revision 1.29
sys/arch/powerpc/include/mutex.h: revision 1.8
sys/uvm/uvm_param.h: revision 1.42
sys/sys/ksem.h: revision 1.16
sys/arch/x86/include/mutex.h: revision 1.10
sys/sys/proc.h: revision 1.372
sys/sys/ksem.h: revision 1.17
sys/arch/ia64/include/mutex.h: revision 1.8
sys/arch/evbarm/include/intr.h: revision 1.29
sys/sys/lua.h: revision 1.9
sys/arch/next68k/include/intr.h: revision 1.23
sys/arch/ia64/include/mutex.h: revision 1.9
sys/arch/hp300/include/intr.h: revision 1.35
sys/arch/hp300/include/intr.h: revision 1.36
sys/arch/sparc/include/cpu.h: revision 1.111
sys/arch/hppa/include/mutex.h: revision 1.16
sys/arch/vax/include/intr.h: revision 1.31
sys/arch/hppa/include/mutex.h: revision 1.17
sys/arch/news68k/include/intr.h: revision 1.28
sys/arch/hppa/include/mutex.h: revision 1.18
sys/arch/hppa/include/intr.h: revision 1.3
sys/arch/hppa/include/mutex.h: revision 1.19
sys/arch/hppa/include/intr.h: revision 1.4
sys/sys/sched.h: revision 1.92
sys/opencrypto/cryptodev.h: revision 1.51
sys/arch/vax/include/mutex.h: revision 1.20
sys/arch/sparc64/include/mutex.h: revision 1.10
sys/arch/ia64/include/sapicvar.h: revision 1.2
sys/arch/riscv/include/mutex.h: revision 1.5
sys/arch/amiga/dev/grfabs_cc.c: revision 1.39
sys/external/bsd/drm2/include/linux/idr.h: revision 1.11
sys/arch/riscv/include/mutex.h: revision 1.6
sys/ddb/files.ddb: revision 1.16
sys/arch/mac68k/include/intr.h: revision 1.32
share/man/man4/ddb.4: revision 1.203
sys/ddb/db_command.c: revision 1.183
sys/arch/mips/include/mutex.h: revision 1.10
sys/ddb/db_command.c: revision 1.184
sys/arch/x68k/include/intr.h: revision 1.22
sys/arch/sparc/include/psl.h: revision 1.51
sys/arch/or1k/include/mutex.h: revision 1.4
sys/arch/mips/include/mutex.h: revision 1.11
sys/arch/arm/xscale/pxa2x0_intr.h: revision 1.16
sys/arch/sparc64/include/cpu.h: revision 1.134
sys/arch/sparc/include/psl.h: revision 1.52
sys/arch/or1k/include/mutex.h: revision 1.5
sys/arch/mvme68k/include/intr.h: revision 1.22
sys/arch/luna68k/include/intr.h: revision 1.16
external/cddl/osnet/sys/sys/kcondvar.h: revision 1.6
sys/arch/sparc/include/mutex.h: revision 1.12
sys/arch/sparc/include/mutex.h: revision 1.13
sys/arch/usermode/include/mutex.h: revision 1.5
sys/arch/usermode/include/mutex.h: revision 1.6
sys/kern/kern_core.c: revision 1.38
usr.sbin/crash/Makefile: revision 1.49
sys/arch/amiga/include/intr.h: revision 1.23
sys/arch/alpha/include/mutex.h: revision 1.12
sys/arch/alpha/include/mutex.h: revision 1.13
sys/arch/evbarm/lubbock/sacc_obio.c: revision 1.16
sys/ddb/ddb.h: revision 1.6
sys/arch/sparc64/include/mutex.h: revision 1.8
sys/arch/sh3/include/mutex.h: revision 1.12
sys/arch/evbarm/lubbock/sacc_obio.c: revision 1.17
sys/ddb/db_syncobj.c: revision 1.1
sys/arch/vax/include/mutex.h: revision 1.18
sys/arch/sparc64/include/psl.h: revision 1.63
sys/arch/sparc64/include/mutex.h: revision 1.9
sys/arch/sh3/include/mutex.h: revision 1.13
sys/arch/evbarm/lubbock/obio.c: revision 1.13
sys/arch/atari/include/intr.h: revision 1.23
sys/ddb/db_syncobj.c: revision 1.2
sys/arch/vax/include/mutex.h: revision 1.19
sys/arch/evbarm/g42xxeb/obio.c: revision 1.14
sys/arch/evbarm/g42xxeb/obio.c: revision 1.15
sys/arch/cesfic/include/intr.h: revision 1.14
sys/ddb/db_syncobj.h: revision 1.1
sys/arch/x86/include/cpu.h: revision 1.134
sys/arch/evbarm/g42xxeb/obio.c: revision 1.16
sys/arch/cesfic/include/intr.h: revision 1.15
sys/arch/arm/xscale/pxa2x0_intr.c: revision 1.26
sys/sys/cpu_data.h: revision 1.54
sys/arch/m68k/include/mutex.h: revision 1.12
sys/arch/ia64/acpi/madt.c: revision 1.6

sys/rwlock.h: Make this more self-contained for bool.

machine/mutex.h: Sprinkle includes so this can be used by crash(8).

ddb: New `show all tstiles' command.
Shows who's waiting for which locks and what the owner is up to.

Include psl.h for ipl_cookie_t if __MUTEX_PRIVATE

sys: Rip <sys/resourcevar.h> out of <uvm/uvm_param.h>.

And thus out of <sys/param.h>, which is exceedingly overused and
fragile and delenda est.

Should fix (some) issues with the recent inclusion of machine/lock.h
in various machine/mutex.h files.

arm/mutex.h: Need machine/intr.h, machine/lock.h.

For ipl_cookie_t and __cpu_simple_lock_t.
evbarm/intr.h: Define ipl_cookie_t before including ARM_INTR_IMPL.

Otherwise arm/mutex.h doesn't work, due to a cyclic dependency which
should really be fixed.
opencrypto/cryptodev.h: Fix includes.
- Move sys/condvar.h under #ifdef _KERNEL.
- Add some other necessary includes and forward declarations.
- Sort.

hp300/intr.h: Fix missing includes.
linux/idr.h: Need <sys/mutex.h> for kmutex_t.
amiga/intr.h: Don't define spl*() functions if !_KERNEL.

This is used by crash(8) now, and what's important is ipl_cookie_t.
cesfic/intr.h: Expose ipl_cookie_t to userland for crash(8).
cesfic/intr.h: Expose ipl_cookie_t to userland only with _KMEMUSER.

Probably not necessary but let's be a little more cautious about
this.

atari/intr.h: Expose ipl_cookie_t with _KMEMUSER for crash(8).

arm/cpu.h: Need sys/param.h for COHERENCY_UNIT.

Nix machine/param.h -- not meant to be used directly, pulled in by
sys/param.h.

Move the definition of ipl_cookie_t out of the kernel-only sections,
some _KMEMUSER applications need it.

ddb: Cast pointer to uintptr_t first before db_expr_t.

hppa/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).

luna68k/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).

mvme68k/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).

news68k/intr.h: Fix includes. Put some definitions under _KERNEL.

next68k/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).

sys/ksem.h: Hack around fstat(8) abuse of _KERNEL.

sun68k/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).

vax/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).

x68k/intr.h: Put functions under _KERNEL so crash(8) can use this.

Make ipl_cookie_t visible for _KMEMUSER userland applications.

fix editor mishap in previous

Explicitly include <sys/mutex.h> for kmutex_t.

Replace kmutex_t * (which may be undefined here) with struct kmutex *,
suggested by Taylor.

hp300/intr.h: Put most of this under #ifdef _KERNEL.
Only ipl_cookie_t really needs to be exposed now, for crash(8).

mac68k/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).
Make inclusion of sys/intr.h explicit for spl*.

fix hppa and vax builds.

machine/lock.h isn't necessary for __cpu_simple_lock_t, it's in
sys/types.h. avoids cpu_data.h vs sched.h include order issues.

move the hppa ipl_t typedef with the moved usage of it.
machine/mutex.h: Sprinkle sys/types.h, omit machine/lock.h.

Turns out machine/lock.h is not needed for __cpu_simple_lock_t, which
always comes from sys/types.h. And, really, sys/types.h (or at least
sys/stdint.h) is needed for uintN_t and uintptr_t.

ddb: Cast pointer to uintptr_t, then to db_expr_t.
Avoids warnings about conversion between pointer and integer of
different size on some architectures.

re-fix hppa builds.

this file uses __cpu_simple_lock(), not just the underlying type,
so it does need machine/lock.h.

Break cycle by using `struct kmutex *' instead of `kmutex_t *'.
sys/sched.h included sys/mutex.h
which includes sys/intr.h
which includes machine/intr.h
which on cats includes arm/footbridge/footbridge_intr.h
which includes arm/cpu.h
which includes sys/cpu_data.h
which includes sys/sched.h

But there was never any real need for sys/mutex.h in sys/sched.h,
because it only uses pointers to the opaque struct kmutex. Cycle
broken by using `struct kmutex *' instead of pulling in sys/mutex.h
for the definition of kmutex_t.

Side effect: This revealed that sys/cpu_data.h needed sys/intr.h
(which was pulled in accidentally by sys/mutex.h via sys/sched.h) for
SOFTINT_COUNT. Also revealed some other machine/cpu.h header files
were missing includes of sys/mutex.h for kmutex_t.

ia64: Need sys/types.h for u_int, vaddr_t; sys/mutex.h for kmutex_t.

explicitly include no longer implicitly included sys/mutex.h.

arm/xscale: Use sys/bitops.h fls32 - 1 instead of 31 - __builtin_clz.
Sidesteps namespace collision with `#define bits ...' in net/zlib.c.

complete the previous - there were two calls to find_first_bit() to fix.

arm/xscale: Missed a spot with previous find_first_bit commit.

evbarm/g42xxeb: Fix off-by-one in previous.

The original find_first_bit(x) was 31 - __builtin_clz((uint32_t)x),
which is equivalent to fls32(x) - 1, not to fls32(x).

Note that fls32 is 1-based and returns 0 for x=0.
 1.17 13-Jul-2023  riastradh arm/xscale: Missed a spot with previous find_first_bit commit.
 1.16 13-Jul-2023  riastradh arm/xscale: Use sys/bitops.h fls32 - 1 instead of 31 - __builtin_clz.

Sidesteps namespace collision with `#define bits ...' in net/zlib.c.
 1.15 07-Aug-2021  thorpej branches: 1.15.6;
Merge thorpej-cfargs2.
 1.14 24-Apr-2021  thorpej branches: 1.14.8;
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?).
 1.13 12-Nov-2012  skrll branches: 1.13.52;
C99 types
 1.12 01-Jul-2011  dyoung branches: 1.12.2; 1.12.12;
#include <sys/bus.h> instead of <machine/bus.h>.
 1.11 13-Mar-2010  bsh pass correct atttach args to sacc_probe()
 1.10 29-May-2009  rjs branches: 1.10.2;
Make the following changes:

struct device * -> device_t
struct cfdata * -> cfdata_t
printf -> aprint_
device_t/softc split
 1.9 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.)
 1.8 28-Apr-2008  martin branches: 1.8.8; 1.8.14;
Remove clause 3 and 4 from TNF licenses
 1.7 08-Jan-2008  matt branches: 1.7.6; 1.7.8; 1.7.10;
As of this commit, all arm32 kernel now build.
 1.6 18-Dec-2006  nonaka branches: 1.6.20; 1.6.24; 1.6.30; 1.6.36;
compile again.
 1.5 11-Dec-2005  christos branches: 1.5.20; 1.5.22;
merge ktrace-lwp.
 1.4 30-Jun-2005  drochner branches: 1.4.2;
adaptions to config_search() change, and minor autoconf fixes, mostly from Havard Eidnes
 1.3 21-Feb-2004  bjh21 branches: 1.3.4;
Use 0 for integers, not NULL.
 1.2 12-Aug-2003  bsh use CLZ insn to find a pending interrupt.
 1.1 09-Aug-2003  bsh add following drivers for Intel Lubbock.
LCD
on-board SA-1111 companion chip
PCMCIA/CF slots
 1.3.4.5 10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.3.4.4 21-Sep-2004  skrll Fix the sync with head I botched.
 1.3.4.3 18-Sep-2004  skrll Sync with HEAD.
 1.3.4.2 03-Aug-2004  skrll Sync with HEAD
 1.3.4.1 21-Feb-2004  skrll file sacc_obio.c was added on branch ktrace-lwp on 2004-08-03 10:34:03 +0000
 1.4.2.2 21-Jan-2008  yamt sync with head
 1.4.2.1 30-Dec-2006  yamt sync with head.
 1.5.22.1 21-Dec-2006  yamt sync with head.
 1.5.20.1 12-Jan-2007  ad Sync with head.
 1.6.36.1 08-Jan-2008  bouyer Sync with HEAD
 1.6.30.1 18-Feb-2008  mjf Sync with HEAD.
 1.6.24.1 09-Jan-2008  matt sync with HEAD
 1.6.20.1 28-Feb-2008  rjs Sync with HEAD.
 1.7.10.4 11-Aug-2010  yamt sync with head.
 1.7.10.3 20-Jun-2009  yamt sync with head
 1.7.10.2 04-May-2009  yamt sync with head.
 1.7.10.1 16-May-2008  yamt sync with head.
 1.7.8.1 18-May-2008  yamt sync with head.
 1.7.6.1 02-Jun-2008  mjf Sync with HEAD.
 1.8.14.1 13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.8.8.1 28-Apr-2009  skrll Sync with HEAD.
 1.10.2.1 30-Apr-2010  uebayasi Sync with HEAD.
 1.12.12.1 20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.12.2.1 16-Jan-2013  yamt sync with (a bit old) head
 1.13.52.3 04-Apr-2021  thorpej CFARG_SUBMATCH -> CFARG_SEARCH for the indirect configuration uses.
 1.13.52.2 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.
 1.13.52.1 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.
 1.14.8.1 04-Aug-2021  thorpej Adapt to CFARGS().
 1.15.6.1 09-Aug-2023  martin Pull up following revision(s) (requested by maya in ticket #316):

sys/arch/m68k/include/mutex.h: revision 1.13
sys/arch/arm/include/cpu.h: revision 1.125
sys/arch/sun68k/include/intr.h: revision 1.21
sys/arch/arm/include/mutex.h: revision 1.28
sys/sys/rwlock.h: revision 1.18
sys/arch/powerpc/include/mutex.h: revision 1.7
sys/arch/arm/include/mutex.h: revision 1.29
sys/arch/powerpc/include/mutex.h: revision 1.8
sys/uvm/uvm_param.h: revision 1.42
sys/sys/ksem.h: revision 1.16
sys/arch/x86/include/mutex.h: revision 1.10
sys/sys/proc.h: revision 1.372
sys/sys/ksem.h: revision 1.17
sys/arch/ia64/include/mutex.h: revision 1.8
sys/arch/evbarm/include/intr.h: revision 1.29
sys/sys/lua.h: revision 1.9
sys/arch/next68k/include/intr.h: revision 1.23
sys/arch/ia64/include/mutex.h: revision 1.9
sys/arch/hp300/include/intr.h: revision 1.35
sys/arch/hp300/include/intr.h: revision 1.36
sys/arch/sparc/include/cpu.h: revision 1.111
sys/arch/hppa/include/mutex.h: revision 1.16
sys/arch/vax/include/intr.h: revision 1.31
sys/arch/hppa/include/mutex.h: revision 1.17
sys/arch/news68k/include/intr.h: revision 1.28
sys/arch/hppa/include/mutex.h: revision 1.18
sys/arch/hppa/include/intr.h: revision 1.3
sys/arch/hppa/include/mutex.h: revision 1.19
sys/arch/hppa/include/intr.h: revision 1.4
sys/sys/sched.h: revision 1.92
sys/opencrypto/cryptodev.h: revision 1.51
sys/arch/vax/include/mutex.h: revision 1.20
sys/arch/sparc64/include/mutex.h: revision 1.10
sys/arch/ia64/include/sapicvar.h: revision 1.2
sys/arch/riscv/include/mutex.h: revision 1.5
sys/arch/amiga/dev/grfabs_cc.c: revision 1.39
sys/external/bsd/drm2/include/linux/idr.h: revision 1.11
sys/arch/riscv/include/mutex.h: revision 1.6
sys/ddb/files.ddb: revision 1.16
sys/arch/mac68k/include/intr.h: revision 1.32
share/man/man4/ddb.4: revision 1.203
sys/ddb/db_command.c: revision 1.183
sys/arch/mips/include/mutex.h: revision 1.10
sys/ddb/db_command.c: revision 1.184
sys/arch/x68k/include/intr.h: revision 1.22
sys/arch/sparc/include/psl.h: revision 1.51
sys/arch/or1k/include/mutex.h: revision 1.4
sys/arch/mips/include/mutex.h: revision 1.11
sys/arch/arm/xscale/pxa2x0_intr.h: revision 1.16
sys/arch/sparc64/include/cpu.h: revision 1.134
sys/arch/sparc/include/psl.h: revision 1.52
sys/arch/or1k/include/mutex.h: revision 1.5
sys/arch/mvme68k/include/intr.h: revision 1.22
sys/arch/luna68k/include/intr.h: revision 1.16
external/cddl/osnet/sys/sys/kcondvar.h: revision 1.6
sys/arch/sparc/include/mutex.h: revision 1.12
sys/arch/sparc/include/mutex.h: revision 1.13
sys/arch/usermode/include/mutex.h: revision 1.5
sys/arch/usermode/include/mutex.h: revision 1.6
sys/kern/kern_core.c: revision 1.38
usr.sbin/crash/Makefile: revision 1.49
sys/arch/amiga/include/intr.h: revision 1.23
sys/arch/alpha/include/mutex.h: revision 1.12
sys/arch/alpha/include/mutex.h: revision 1.13
sys/arch/evbarm/lubbock/sacc_obio.c: revision 1.16
sys/ddb/ddb.h: revision 1.6
sys/arch/sparc64/include/mutex.h: revision 1.8
sys/arch/sh3/include/mutex.h: revision 1.12
sys/arch/evbarm/lubbock/sacc_obio.c: revision 1.17
sys/ddb/db_syncobj.c: revision 1.1
sys/arch/vax/include/mutex.h: revision 1.18
sys/arch/sparc64/include/psl.h: revision 1.63
sys/arch/sparc64/include/mutex.h: revision 1.9
sys/arch/sh3/include/mutex.h: revision 1.13
sys/arch/evbarm/lubbock/obio.c: revision 1.13
sys/arch/atari/include/intr.h: revision 1.23
sys/ddb/db_syncobj.c: revision 1.2
sys/arch/vax/include/mutex.h: revision 1.19
sys/arch/evbarm/g42xxeb/obio.c: revision 1.14
sys/arch/evbarm/g42xxeb/obio.c: revision 1.15
sys/arch/cesfic/include/intr.h: revision 1.14
sys/ddb/db_syncobj.h: revision 1.1
sys/arch/x86/include/cpu.h: revision 1.134
sys/arch/evbarm/g42xxeb/obio.c: revision 1.16
sys/arch/cesfic/include/intr.h: revision 1.15
sys/arch/arm/xscale/pxa2x0_intr.c: revision 1.26
sys/sys/cpu_data.h: revision 1.54
sys/arch/m68k/include/mutex.h: revision 1.12
sys/arch/ia64/acpi/madt.c: revision 1.6

sys/rwlock.h: Make this more self-contained for bool.

machine/mutex.h: Sprinkle includes so this can be used by crash(8).

ddb: New `show all tstiles' command.
Shows who's waiting for which locks and what the owner is up to.

Include psl.h for ipl_cookie_t if __MUTEX_PRIVATE

sys: Rip <sys/resourcevar.h> out of <uvm/uvm_param.h>.

And thus out of <sys/param.h>, which is exceedingly overused and
fragile and delenda est.

Should fix (some) issues with the recent inclusion of machine/lock.h
in various machine/mutex.h files.

arm/mutex.h: Need machine/intr.h, machine/lock.h.

For ipl_cookie_t and __cpu_simple_lock_t.
evbarm/intr.h: Define ipl_cookie_t before including ARM_INTR_IMPL.

Otherwise arm/mutex.h doesn't work, due to a cyclic dependency which
should really be fixed.
opencrypto/cryptodev.h: Fix includes.
- Move sys/condvar.h under #ifdef _KERNEL.
- Add some other necessary includes and forward declarations.
- Sort.

hp300/intr.h: Fix missing includes.
linux/idr.h: Need <sys/mutex.h> for kmutex_t.
amiga/intr.h: Don't define spl*() functions if !_KERNEL.

This is used by crash(8) now, and what's important is ipl_cookie_t.
cesfic/intr.h: Expose ipl_cookie_t to userland for crash(8).
cesfic/intr.h: Expose ipl_cookie_t to userland only with _KMEMUSER.

Probably not necessary but let's be a little more cautious about
this.

atari/intr.h: Expose ipl_cookie_t with _KMEMUSER for crash(8).

arm/cpu.h: Need sys/param.h for COHERENCY_UNIT.

Nix machine/param.h -- not meant to be used directly, pulled in by
sys/param.h.

Move the definition of ipl_cookie_t out of the kernel-only sections,
some _KMEMUSER applications need it.

ddb: Cast pointer to uintptr_t first before db_expr_t.

hppa/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).

luna68k/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).

mvme68k/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).

news68k/intr.h: Fix includes. Put some definitions under _KERNEL.

next68k/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).

sys/ksem.h: Hack around fstat(8) abuse of _KERNEL.

sun68k/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).

vax/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).

x68k/intr.h: Put functions under _KERNEL so crash(8) can use this.

Make ipl_cookie_t visible for _KMEMUSER userland applications.

fix editor mishap in previous

Explicitly include <sys/mutex.h> for kmutex_t.

Replace kmutex_t * (which may be undefined here) with struct kmutex *,
suggested by Taylor.

hp300/intr.h: Put most of this under #ifdef _KERNEL.
Only ipl_cookie_t really needs to be exposed now, for crash(8).

mac68k/intr.h: Expose ipl_cookie_t to _KMEMUSER for crash(8).
Make inclusion of sys/intr.h explicit for spl*.

fix hppa and vax builds.

machine/lock.h isn't necessary for __cpu_simple_lock_t, it's in
sys/types.h. avoids cpu_data.h vs sched.h include order issues.

move the hppa ipl_t typedef with the moved usage of it.
machine/mutex.h: Sprinkle sys/types.h, omit machine/lock.h.

Turns out machine/lock.h is not needed for __cpu_simple_lock_t, which
always comes from sys/types.h. And, really, sys/types.h (or at least
sys/stdint.h) is needed for uintN_t and uintptr_t.

ddb: Cast pointer to uintptr_t, then to db_expr_t.
Avoids warnings about conversion between pointer and integer of
different size on some architectures.

re-fix hppa builds.

this file uses __cpu_simple_lock(), not just the underlying type,
so it does need machine/lock.h.

Break cycle by using `struct kmutex *' instead of `kmutex_t *'.
sys/sched.h included sys/mutex.h
which includes sys/intr.h
which includes machine/intr.h
which on cats includes arm/footbridge/footbridge_intr.h
which includes arm/cpu.h
which includes sys/cpu_data.h
which includes sys/sched.h

But there was never any real need for sys/mutex.h in sys/sched.h,
because it only uses pointers to the opaque struct kmutex. Cycle
broken by using `struct kmutex *' instead of pulling in sys/mutex.h
for the definition of kmutex_t.

Side effect: This revealed that sys/cpu_data.h needed sys/intr.h
(which was pulled in accidentally by sys/mutex.h via sys/sched.h) for
SOFTINT_COUNT. Also revealed some other machine/cpu.h header files
were missing includes of sys/mutex.h for kmutex_t.

ia64: Need sys/types.h for u_int, vaddr_t; sys/mutex.h for kmutex_t.

explicitly include no longer implicitly included sys/mutex.h.

arm/xscale: Use sys/bitops.h fls32 - 1 instead of 31 - __builtin_clz.
Sidesteps namespace collision with `#define bits ...' in net/zlib.c.

complete the previous - there were two calls to find_first_bit() to fix.

arm/xscale: Missed a spot with previous find_first_bit commit.

evbarm/g42xxeb: Fix off-by-one in previous.

The original find_first_bit(x) was 31 - __builtin_clz((uint32_t)x),
which is equivalent to fls32(x) - 1, not to fls32(x).

Note that fls32 is 1-based and returns 0 for x=0.
 1.5 16-Mar-2018  ryo use designated initializer to make adaptability and flexibility for changing struct bus_space.
no functional change.
 1.4 01-Jul-2011  dyoung branches: 1.4.52;
#include <sys/bus.h> instead of <machine/bus.h>.
 1.3 11-Dec-2005  christos merge ktrace-lwp.
 1.2 15-Jul-2003  lukem __KERNEL_RCSID()
 1.1 18-Jun-2003  bsh branches: 1.1.2;
MD part for Intel Lubbock (DBPXA250).

built-in UART and on-board ethernet are supported for now.
LCD, PCMCIA, CF, PS/2, AC97 will follow shortly.
 1.1.2.3 21-Sep-2004  skrll Fix the sync with head I botched.
 1.1.2.2 18-Sep-2004  skrll Sync with HEAD.
 1.1.2.1 03-Aug-2004  skrll Sync with HEAD
 1.4.52.1 22-Mar-2018  pgoyette Synch with HEAD, resolve conflicts
 1.5 12-Aug-2013  matt use RET/RETc
use unified syntax
 1.4 11-Dec-2005  christos branches: 1.4.112; 1.4.122; 1.4.128;
merge ktrace-lwp.
 1.3 21-Feb-2004  bjh21 RCSID()
 1.2 21-Feb-2004  bjh21 Ensure file ends with a newline.
 1.1 18-Jun-2003  bsh branches: 1.1.2;
MD part for Intel Lubbock (DBPXA250).

built-in UART and on-board ethernet are supported for now.
LCD, PCMCIA, CF, PS/2, AC97 will follow shortly.
 1.1.2.3 21-Sep-2004  skrll Fix the sync with head I botched.
 1.1.2.2 18-Sep-2004  skrll Sync with HEAD.
 1.1.2.1 03-Aug-2004  skrll Sync with HEAD
 1.4.128.1 28-Aug-2013  rmind sync with head
 1.4.122.1 20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.4.112.1 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")

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