split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.

branches: 1.4.2; 1.4.12;
#include <sys/bus.h> instead of <machine/bus.h>.

merge ktrace-lwp.

__KERNEL_RCSID()

branches: 1.1.2;
Add support for ADI Engineering's "Big Red Head" i80200 evaluation
and development board, based around their BECC companion chip. Despite
its name, the board can run in big- or little-endian mode (we currently
run only in the latter).

C99 types

branches: 1.5.2; 1.5.12;
#include <sys/bus.h> instead of <machine/bus.h>.

Remove leading __ from __(const|inline|signed|volatile) -- it is obsolete.

merge ktrace-lwp.

branches: 1.2.16;
__KERNEL_RCSID()

branches: 1.1.2;
Add support for ADI Engineering's "Big Red Head" i80200 evaluation
and development board, based around their BECC companion chip. Despite
its name, the board can run in big- or little-endian mode (we currently
run only in the latter).

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.

Replace %ld/%lx format specifiers with PRIx{SIZE,ADDR} for better portability.

From Nick Hudson.

Fix physmem printf format specifier %d->%ld.

Fixes VERBOSE_INIT_ARM enabled build for ADI_BRH kernel config.

Fix non-DIAGNOSTIC builds

Provide a shared pmap_devmap implementation and convert all pmap_devmap
arrays to use DEVMAP_ENTRY{,_END}

branches: 1.51.4;
fix multiplei repetitive typos in comments, messages and documentation. mainly because copy paste code big amount of files are affected.

PMAP_DEBUG has been deleted on arm

Trailing whitespace

branches: 1.48.8;
Consistently use vaddr_t as initarm and friends return type.

Makes no difference to binaries except for aarch64 where it's required

Fix a commit

Centralise defparam CONSADDR, CONSPEED, CONMODE and CONADDR into
opt_console.h and adjust.

Sprinkle #include "opt_arm_debug.h" where VERBOSE_INIT_ARM is used

branches: 1.44.14; 1.44.16;
switch all ports to use uvm_init.c:uvm_md_init()

uvm_setpagesize() is now subsumed within this funciton.

branches: 1.43.2; 1.43.4;
Replace more vm_offset_t, vm_size_t with vaddr_t, vsize_t
Use paddr_t for msgbufphys

<arm/locore.h> fallout (fixes some include ordering errors)

branches: 1.41.2;
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.

branches: 1.40.2;
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.

Fix more -fno-common fallout.
Move more variables to common locations.

branches: 1.38.2;
#include <sys/bus.h> instead of <machine/bus.h>.

dependant -> dependent

Use cpu_* prefix to call cpu_* functions (setttb() -> cpu_setttb()); no
functional changes.

Garbage collect an unused global, vm_offset_t pagetables_start.

- 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.

Kill proc0paddr. Use lwp0.l_addr instead.

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)

As discussed on tech-kern: mutex_init is too heavyweight for early bootstrap
phases, so move the initialization of the ksyms mutex back into main via
a function called ksyms_init. Rename the existing (but quite different)
ksyms_init* variations into ksyms_addsyms_elf() and ksyms_addsyms_explicit()
and adapt machdep code accordingly.

Remove LKMs and switch to the module framework, pass 1.

Proposed on tech-kern@.

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.

branches: 1.28.6; 1.28.8;
Merge kernel changes in matt-armv6 to HEAD.

branches: 1.27.6; 1.27.8; 1.27.10;
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.

branches: 1.26.24; 1.26.28; 1.26.34; 1.26.42;
s/independant/independent/, from Zafer.

branches: 1.25.8; 1.25.10;
redo the previous. GCC4 wants both pv_pa and pv_va initialised.

move the initialiser for kernel_l1pt.pv_va to pacify GCC4.

branches: 1.23.4; 1.23.6; 1.23.8; 1.23.12;
Remove leading __ from __(const|inline|signed|volatile) -- it is obsolete.

merge ktrace-lwp.

branches: 1.21.10;
Fix comments regarding configration bounaries

Fix comments slighly

Uppercase CPU, plural is CPUs.

__KERNEL_RCSID()

branches: 1.17.2;
Use the new pmap_devmap facility in the on-board device mapping code.

Replace the ad-hoc "section mapping table" for static device mappings
with a more generic "devmap" structure that can also handle mappings
made with large and small pages. Add new pmap routines to enter these
mappings during bootstrap (and "remember" the devmap), and routines to
look up the static mappings once the kernel is running.

Also pass a type argument to comcnattach() and com_kgdb_attach().
comspeed() (and thus cominit()) may need this information.

Move KERNEL_VM_SIZE into the C files where its used.

Move KERNEL_VM_BASE inside where it is used (it won't be there for long).

Make sure we call becc_calibrate_delay() _after_ becc_vaddr is set up.
It happens to work otherwise when RedBoot leaves the timer running for us.

Decrease the verbosity level unless VERBOSE_INIT_ARM is defiend.

Don't expose KERNEL_TEXT_BASE outside of board-specific code. This gives
individual board start-up code more flexibility about where the kernel
starts in the kernel address space.

Reduce differences between ARM32_NEW_VM_LAYOUT and not; always pass
the start and end of the kernel managed virtual address space to
pmap_bootstrap() in the new pmap.

Remove old pmap support for platforms which have fully switched over.

Eliminate PTE_BASE and the PT-PT completely in the ARM32_PMAP_NEW case.
Also in the ARM32_PMAP_NEW case, reclaim the USPACE-bytes of wasted space
at the top of the user address that hasn't been needed for a very very
long time.

Call ksyms_init() instead of ddb_init() in case of
NKSYMS || defined(DDB) || defined(LKM)

Use high vectors on the BRH.

Adapt to ARM32_PMAP_NEW.

Use PAGE_SIZE rather than NBPG.

Compile without DIAGNOSTIC.

Add support for ADI Engineering's "Big Red Head" i80200 evaluation
and development board, based around their BECC companion chip. Despite
its name, the board can run in big- or little-endian mode (we currently
run only in the latter).

Get rid on some useless pc addition. Use adr or ldr with pc relative
addressing.

branches: 1.2.4; 1.2.14; 1.2.18;
Add RCSID when needed.
Don't include pmap.h or pte.h, include "assym.h" instead.
Use assym.h provided values.

branches: 1.1.130; 1.1.136; 1.1.138;
Add support for ADI Engineering's "Big Red Head" i80200 evaluation
and development board, based around their BECC companion chip. Despite
its name, the board can run in big- or little-endian mode (we currently
run only in the latter).

fix various typos in comments and log messages.

Add support for ADI Engineering's "Big Red Head" i80200 evaluation
and development board, based around their BECC companion chip. Despite
its name, the board can run in big- or little-endian mode (we currently
run only in the latter).

Add support for ADI Engineering's "Big Red Head" i80200 evaluation
and development board, based around their BECC companion chip. Despite
its name, the board can run in big- or little-endian mode (we currently
run only in the latter).

Clean up initialization of com_regs structure, in preparation for
some additional changers.

branches: 1.7.52; 1.7.54;
#include <sys/bus.h> instead of <machine/bus.h>.

Remove clause 3 and 4 from TNF licenses

branches: 1.5.2; 1.5.4;
Split device_t and softc for all com(4) devices (well, everything that
uses a com_softc backend). Use proper types and ansify where appropriate.

branches: 1.4.34; 1.4.54; 1.4.58;
Add an option COM_REGMAP to allow com(4) to use an array of register indices.
This allows us to convert aucom to just another com attachment, and cleanup
some code in the com_arbus.c.

Additionally, we use a common com_cleanup routine rather than having a
zillion copies of it in the attachment points.

This has been tested on a number architectures, and it has been shown to get
close to comparable performance when COM_REGMAP is defined, and comparable
when it is not defined.

Approved by core@. Fixes PR port-evbmips/32362.

branches: 1.3.4; 1.3.8; 1.3.16;
merge ktrace-lwp.

branches: 1.2.16;
__KERNEL_RCSID()

branches: 1.1.2;
Add support for ADI Engineering's "Big Red Head" i80200 evaluation
and development board, based around their BECC companion chip. Despite
its name, the board can run in big- or little-endian mode (we currently
run only in the latter).

Merge thorpej-cfargs2.

branches: 1.12.8;
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?).

branches: 1.11.68;
#include <sys/bus.h> instead of <machine/bus.h>.

Some more device_t, cfdata_t, CFATTACH_DECL_NEW cleanup.

branches: 1.9.100; 1.9.110;
merge ktrace-lwp.

s/locdesc_t/int/g

branches: 1.7.2;
adaptions to config_search() change, and minor autoconf fixes, mostly from Havard Eidnes

__KERNEL_RCSID()

branches: 1.5.2;
Give every obio implementation a size and width locator.

Add an optional "width" locator to the obio bus, specifying the
bus width of the device.

Need aprint_naive() with aprint_normal() change. Thanks, Jason.

printf -> aprint_normal

Add support for ADI Engineering's "Big Red Head" i80200 evaluation
and development board, based around their BECC companion chip. Despite
its name, the board can run in big- or little-endian mode (we currently
run only in the latter).

Trailing whitespace.

use designated initializer to make adaptability and flexibility for changing struct bus_space.
no functional change.

branches: 1.8.28;
Don't manipulate the pte to get uncached memory, use PMAP_NOCACHE instead.
Convert footbring to kenter_pa/kremove

branches: 1.7.2; 1.7.12; 1.7.16;
#include <sys/bus.h> instead of <machine/bus.h>.

Add a flags argument to pmap_kenter_pa(9).
Patch showed on tech-kern@ http://mail-index.netbsd.org/tech-kern/2009/11/04/msg006434.html
No objections.

branches: 1.5.78;
bus_dmamem_map: honour BUS_DMA_NOWAIT. noted by Manuel Bouyer.
bus_space_map: always do NOWAIT allocation as it used to be before yamt-km.

we have too many copies!

branches: 1.4.2; 1.4.8;
merge yamt-km branch.
- don't use managed mappings/backing objects for wired memory allocations.
save some resources like pv_entry. also fix (most of) PR/27030.
- simplify kernel memory management API.
- simplify pmap bootstrap of some ports.
- some related cleanups.

branches: 1.3.8; 1.3.10;
__KERNEL_RCSID()

branches: 1.2.2;
Use the new pmap_devmap facility in the on-board device mapping code.

Add support for ADI Engineering's "Big Red Head" i80200 evaluation
and development board, based around their BECC companion chip. Despite
its name, the board can run in big- or little-endian mode (we currently
run only in the latter).

Give every obio implementation a size and width locator.

Add an optional "width" locator to the obio bus, specifying the
bus width of the device.

Add support for ADI Engineering's "Big Red Head" i80200 evaluation
and development board, based around their BECC companion chip. Despite
its name, the board can run in big- or little-endian mode (we currently
run only in the latter).