Create a new header lwp_private.h to contain _lwp_getprivate_fast,
_lwp_gettcb_fast, _lwp_settcb and remove them from mcontext.h, so that:
1. we don't need special hacks to hide them
2. we can include <lwp.h> where needed to get the necessary prototypes
without redefining them locally.

branches: 1.27.36;
Remove the kernel PMC code. Sent yesterday on tech-kern@.

This change:

* Removes "options PERFCTRS", the associated includes, and the associated
ifdefs. In doing so, it removes several XXXSMPs in the MI code, which is
good.

* Removes the PMC code of ARM XSCALE.

* Removes all the pmc.h files. They were all empty, except for ARM XSCALE.

* Reorders the x86 PMC code not to rely on the legacy pmc.h file. The
definitions are put in sysarch.h.

* Removes the kern/sys_pmc.c file, and along with it, the sys_pmc_control
and sys_pmc_get_info syscalls. They are marked as OBSOL in kern,
netbsd32 and rump.

* Removes the pmc_evid_t and pmc_ctr_t types.

* Removes all the associated man pages. The sets are marked as obsolete.

branches: 1.26.16; 1.26.18;
fenv for m68k

branches: 1.25.12; 1.25.30;
Retire varargs.h support. Move machine/stdarg.h logic into MI
sys/stdarg.h and expect compiler to provide proper builtins, defaulting
to the GCC interface. lint still has a special fallback.
Reduce abuse of _BSD_VA_LIST_ by defining __va_list by default and
derive va_list as required by standards.

Removed old Amiga-specific "sicallback" software interrupts and replaced
them by MI softints. Approved by "is".

branches: 1.23.48;
Merge newlock2 to head.

branches: 1.22.4;
don't install <machine/db_machdep.h>, this is kernel only

branches: 1.21.4; 1.21.8;
merge ktrace-lwp.

branches: 1.20.12;
Factor out W{CHAR,INT}_{MAX,MIN} into their own header file.

branches: 1.19.2;
Merge the nathanw_sa branch.

Remove KDIR=, since SYS_INCLUDE=symlinks and KDIR are not supported any more.

Merge the gehenna-devsw branch into the trunk.

This merge changes the device switch tables from static array to
dynamically generated by config(8).

- All device switches is defined as a constant structure in device drivers.

- The new grammer ``device-major'' is introduced to ``files''.

device-major <prefix> char <num> [block <num>] [<rules>]

- All device major numbers must be listed up in port dependent majors.<arch>
by using this grammer.

- Added the new naming convention.
The name of the device switch must be <prefix>_[bc]devsw for auto-generation
of device switch tables.

- The backward compatibility of loading block/character device
switch by LKM framework is broken. This is necessary to convert
from block/character device major to device name in runtime and vice versa.

- The restriction to assign device major by LKM is completely removed.
We don't need to reserve LKM entries for dynamic loading of device switch.

- In compile time, device major numbers list is packed into the kernel and
the LKM framework will refer it to assign device major number dynamically.

Implement pmc(9) -- An interface to hardware performance monitoring
counters. These counters do not exist on all CPUs, but where they
do exist, can be used for counting events such as dcache misses that
would otherwise be difficult or impossible to instrument by code
inspection or hardware simulation.

pmc(9) is meant to be a general interface. Initially, the Intel XScale
counters are the only ones supported.

branches: 1.15.8;
No point in installing svr4_machdep.h.

branches: 1.14.4;
Amiga don't need its own fbio.h anymore; screenblank(8) uses <dev/sun/fbio.h>,
and the ioctl that this file defines is compatible.

branches: 1.13.2; 1.13.4;
Add definitions of C99 integer format conversion macros.
XXX Fastest minimum-width integer types haven't been decided upon yet.

Add definitions of C99 specified-width integer type limits.
XXX Fastest minimum-width integer types haven't been decided upon yet.

Add definitions of C99 integer constant macros.
Tidy Makefiles up a little.

Add definitions of C99 minimum-width and greatest-width integer types.
XXX Fastest minimum-width integer types haven't been decided upon yet.

branches: 1.9.2;
Add <machine/int_types.h>, which provides namespace-pure definitions
of exact-width integer types.

Require that each each MACHINE/MACHINE_ARCH supply a lock.h. This file
contains the values __SIMPLELOCK_LOCKED and __SIMPLELOCK_UNLOCKED, which
replace the old SIMPLELOCK_LOCKED and SIMPLELOCK_UNLOCKED. These files
are also required to supply inline functions __cpu_simple_lock(),
__cpu_simple_lock_try(), and __cpu_simple_unlock() if locking is to be
supported on that platform (i.e. if MULTIPROCESSOR is defined in the
_KERNEL case). Change these functions to take an int * (&alp->lock_data)
rather than the struct simplelock * itself.

These changes make it possible for userland to use the locking primitives
by including <machine/lock.h>.

Install "machineendian_machdep.h".

C99: Define a NAN macro in <math.h> which evaulates to a constant expression of
a single-precision quiet NaN; only to be defined on platforms that do support
this value.

branches: 1.5.2;
Add COMPAT_SVR4 for m68k.

branches: 1.4.4;
Pullin m68k/ieee.h.

Move the bswap functions from libutil to libc (this bups the
minor of libc and the major of libutil). For little-endian architectures
merge the bnswap() assembly versions with nto* and hton* using symbols
aliasing. Use symbol renaming for the bswap function in this case to avoid
namespace pollution.
Declare bswap* in machine/bswap.h, not machine/endian.h. For little-endian
machines, common code for inline macros go in machine/byte_swap.h
Sync libkern with libc.
Adjust #include in kernel sources for machine/bswap.h.

Add elf_machdep.h to the INCS list.

Rework the way kernel include files are installed. In the new method,
as with user-land programs, include files are installed by each directory
in the tree that has includes to install. (This allows more flexibility
as to what gets installed, makes 'partial installs' easier, and gives us
more options as to which machines' includes get installed at any given
time.) The old SYS_INCLUDES={symlinks,copies} behaviours are _both_
still supported, though at least one bug in the 'symlinks' case is
fixed by this change. Include files can't be build before installation,
so directories that have includes as targets (e.g. dev/pci) have to move
those targets into a different Makefile.

Switch all users (except ia64) of custom machine/ansi.h to common_ansi.h

Deduplicate the code among ports and poll definitions of types
directly from a compiler.

This fixes miscompilation of certain programs that instruct compilers
to generate code for different types. This bug has been detected with
-fshort-wchar in EFI firmware.

Proposed and discussed on a mailing list (twice).

Itanium uses custom !ELF fallback switch, temporarily leave it as it is.

branches: 1.8.256;
new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

remove redef of SIZE_T, logically same, lexically different.

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

repoint at shared aout_machdep.h, not exec.h

Use <m68k/exec.h>.

new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

Fix spelling error in Copyright notice

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Put definition of __LDPGSZ and `struct relocation_info' where they belong:
in <machine/exec.h>.

branches: 1.1.1;
Initial revision

new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

fetch m68k asm macros.

Include <sys/bswap.h> for function prototypes. i386, pc532 and vax
still include <machine/byte_swap.h> and define macros for some of
the bswap*() functions.

Move the bswap functions from libutil to libc (this bups the
minor of libc and the major of libutil). For little-endian architectures
merge the bnswap() assembly versions with nto* and hton* using symbols
aliasing. Use symbol renaming for the bswap function in this case to avoid
namespace pollution.
Declare bswap* in machine/bswap.h, not machine/endian.h. For little-endian
machines, common code for inline macros go in machine/byte_swap.h
Sync libkern with libc.
Adjust #include in kernel sources for machine/bswap.h.

Provide PRIxBUSADDR, PRIxBUSSIZE, PRIuBUSSIZE, and PRIxBSH for all arches
to follow arm and (generic) mips.

Reviewed by christos.

branches: 1.29.30;
Rework handling of Commodore Gayle chip. Avoid ugly struct casts, introduce
proper bus_space accesses and some abstraction layer. All drivers that utilised
Gayle also had to be refactored.

I tried not to break anything more, but this clearly needs more testing...

Add preliminary support for the Individual Computers ACA500 in the form of acahf
driver. If ACA500 is equipped with supported accelerator with MMU, it allows
running NetBSD on an Amiga 500.

Since ACA is not autoconf-aware, and the probe procedure does not exist yet, the
driver is activated with the ACA500_SUPPORT kernel option. The acahf driver
is commented out in the GENERIC kernel for now (at least until it stops being
very experimental and hackish).

When it comes to ACA-specific hardware, for now the boot CF slot works. Support for everything else is incoming...

branches: 1.27.2; 1.27.4;
More work on PCI memory accesses on empb(4).

Add dummy bus_dma(9) typedefs (enabled by __HAVE_NO_BUS_DMA) in <sys/bus.h>
for ports which don't bother to have unnecessary bus_dma(9) implementation
to appease MI driver modules that require bus_dma_tag_t.

For amiga, move <m68k/bus_dma.h> inclusion from <machine/pci_machdep.h>
to <machine/bus.h> since amiga will want actual bus_dma(9) in future
for PCI devices.

Fixes builds on sys/modules/if_axe etc on ancient ports.

"Sounds good" from martin@ on port-m68k@.

branches: 1.25.2; 1.25.6;
Remove zbusmap prototype from bus.h (now in zbusvar.h)

Add basic PCI support for amiga port.
Add missing bus_space(9) methods needed for MI PCI.
Add p5pb(4) - Phase5 PCI bridge driver (and the man page).
Add quirks table to zbus(4) - needed for p5pb.
Change approved by phx.

Ensure reorder protection for amigappc in all bus space functions.
The ne(4) driver (XSurf2), which is the only bus_space device I got,
works now.

Remove 3rd and 4th clause on Leo Weppelman's license. OK leo@.

Remove all the __P() from sys (excluding sys/dist)
Diff checked with grep and MK1 eyeball.
i386 and amd64 GENERIC and sys still build.

branches: 1.20.78; 1.20.86; 1.20.92;
merge ktrace-lwp.

add fake bus_space_read_region_stream_4() and bus_space_write_region_stream_4()
macros to cope with the recent wdc_pcmcia changes

branches: 1.18.6;
add stubs for bus_space_read_stream_4()/bus_space_write_stream_4(),
defined similarily to other bus_space_*_4() as panic()

o replace definitions by declarations in header files
o put definitions where due
o cleanup some types (u_int -> vaddr_t's for example)
o minor other cleanup

branches: 1.16.8; 1.16.12;
Initial IOBlix support. Only lpt and com; lpt untested; com assumes 24 MHz
clock (needs autoprobe of clock speed).

do as if bus_space_read_4() returned an int, although it just calls panic.

Semicolons in the 32-bit macros aren't nice.
Add a stride-4 with swapping bus_space_method for use by MI wdc.

code factorisation and added stride 1 functions

Rewrite of the Amiga bus_space machinery to prepare for the support of
the generic IDE driver and the PCMCIA slots.

branches: 1.11.2;
Add dummy bus_space_barrier method, like mac68k

branches: 1.10.2;
Add a macro to check for sufficient pointer alignment in bus.h context,
"BUS_SPACE_ALIGNED_POINTER()".
Equal to the param.h "ALIGNED_POINTER()" normally, but obeys additional
requirements of the bus_space_xxx_n() macros. (BUS_SPACE_DEBUG)

- declare method arrays in bus.h
- add interleaved_wordaccess method array

Fix typo.

We didn't really implement bus_space_{read,write}_stream_N, but
bus_space_{read,write}_region_stream_N. Correct the names.

Make the data pointer of the write_multi, write_region and write_stream
methods const *.

- add bus_space_{copy,set}_region_{1,2} support and implementation for
_1 and for _2 in the contiguous and interleaved case.

- while we're here, reorganize bus.h into sections, and use the defined
convenience functions everywhere.

- define framework for >8bit transfers
- implement 16 bit contiguous and 16 bit interleaved, both big-endian

Add bus_space_read_region_1/bus_space_write_region_1 to the Amiga bus.h.

Add bus_space_subregion().

branches: 1.1.2;
Amiga port bus.h. Currenlty, only the _1 functions are implemented.

This file, which will be included by <sys/cdefs.h>, will contain macros
such as __warn_references() and __weak_reference() which are actually
machine dependant. This will make it easier for ports that are being
bootstraped with ELF and ECOFF based toolchains.

This change also introduces a new macro, _C_LABEL(x). _C_LABEL expands
its argument, an identifier, to a character string of the identifier
name as it is represented in an object file.

For most ports, _C_LABEL(x) will expand to "_x", for ELF based ports
_C_LABEL(x) will expand to "x".

Merge the gehenna-devsw branch into the trunk.

This merge changes the device switch tables from static array to
dynamically generated by config(8).

- All device switches is defined as a constant structure in device drivers.

- The new grammer ``device-major'' is introduced to ``files''.

device-major <prefix> char <num> [block <num>] [<rules>]

- All device major numbers must be listed up in port dependent majors.<arch>
by using this grammer.

- Added the new naming convention.
The name of the device switch must be <prefix>_[bc]devsw for auto-generation
of device switch tables.

- The backward compatibility of loading block/character device
switch by LKM framework is broken. This is necessary to convert
from block/character device major to device name in runtime and vice versa.

- The restriction to assign device major by LKM is completely removed.
We don't need to reserve LKM entries for dynamic loading of device switch.

- In compile time, device major numbers list is packed into the kernel and
the LKM framework will refer it to assign device major number dynamically.

branches: 1.11.8;
Use "#define<tab>".

- define other DEV_ constants that the local port uses.
- delete cdev_decl(mm) since <sys/conf.h> does it.

branches: 1.9.2; 1.9.8;
- add dev_noimpl(xxx,yyy) macro to replace "(dev_type_xxx((*))) yyy",
and use appropriately

- create more helper macros:
. cdev__xyz_init(c,n), such as cdev__ocri_init() for
/* open, close, read, ioctl */, etc.
. cdev__xRy_init(c,n), where nullop is used instead of enodev to dummy out
method `R' and the comments now read /* xxx (read) yyy */ instead
. cdev__xyz_t_init(c,n,t) - as per cdev__xyz_init, but sets d_type = t
as well

- use seltrue instead of dev_noimpl(poll,*), as (IIRC) cdevsw.d_poll should
always DTRT WRT returning a valid result. (a few devices previously
incorrectly returned ENODEV)

- use dev_noimpl(stop,enodev) instead of dev_noimpl(stop,nullop) if tty
== 0, because it doesn't matter if dev_type_stop isn't implemented in that
case, and it allows the use of the cdev__xyz_init macros. certain ports
(sparc,sparc64,x68k) used the nullop method for dev_type_stop in a few
drivers, whereas everything else uses enodev

- ensure that the comments are accurate WRT the behaviour of a given entry

now that duplicated stuff has been moved to sys/conf.h, remove unnecessary
defs for: lpt, joy, pc

branches: 1.7.12; 1.7.24;
Add scsibus entry points to the cdevsw[].

First part of splitting lpt.c, and the NetBSD/Amiga "supio" frontend. Needs
a bit more work to allow an ISA frontend.

conf.h: declare com instead of drcom.
conf.c: remove com declarations.

branches: 1.4.10;
Forgotten changes needed for the drcom driver.

Implement poll(2).

removed the define for cdev_ss_init

- Cleanup for -Wall and -Wstrict-prototypes

Largely unify the <machine/cpu.h> headers on the m68k platforms.

Consistently use "intr_depth" as the name of the interrupt depth counter
on m68k platforms.

Switch the amiga port to use the same clockframe layout as the other
m68k ports.

Make the M68K_MMU_* defines real kernel options, available in opt_m68k_arch.h.
For 68030, 68040, and 68060, infer M68K_MMU_MOTOROLA. For 68010 and 68020, it
must be an explicit option (set in std.${MACHINE} or, in the case of hp300,
inferred from the specific model option).

Remove duplicated / slightly-tweaked loadustp() (load user segment table)
routines from all of the m68k ports using the shared pmap. Instead, in
pmap_init(), set up a function pointer to the appropriate mmu_load_urp*()
function in mmu_subr.s.

cpu_need_resched():

- Remove all code that should be MI, leaving the bare minimum under arch/.
- Make the required actions very explicit.
- Pass in LWP pointer for convenience.
- When a trap is required on another CPU, have the IPI set it locally.
- Expunge cpu_did_resched().

- Cleanup for dynamic sysctl:
- Remove unused *_NAMES macros for sysctl.
- Remove unused *_MAXID for sysctls.
- Move CTL_MACHDEP sysctl definitions for m68k into m68k/include/cpu.h and
use them on all m68k machines.

branches: 1.81.14; 1.81.16;
Fix typo "one the" and architecture where appropriate.

branches: 1.80.6; 1.80.10;
make cpu_need_resched() macros consistent; __USE flags

branches: 1.79.4; 1.79.14; 1.79.18;
- merge and move pasted m68k MD setreg() functions into m68k/m68k_machdep.c
- move m68881_save() and m68881_restore() declarations into <m68k/m68k.h>

Briefly tested and no obvious breakage on atari, sun3, and x68k.

Remove clause 3 (UCB advertising clause) from the University of Utah
copyright. Confirmed by Mike Hibler, mike at cs.utah.edu - thanks!
Also, merge UCB and Utah copyright texts back into one, as they
originally were.

Extra verification by snj@.

branches: 1.77.2; 1.77.4;
Recognize Amiga 600 model.
Patch submited by Radoslaw Kujawa.

Collect cpu_info and friends and move to m68k/include/cpu.h
Add a define __HAVE_CPU_DATA_FIRST which means that cpu_data is the first
member in struct cpu_info.

branches: 1.75.2;
Moved the macros amiga_cpu_sync() and amiga_membarrier() from amiga/device.h
to the MD include/cpu.h.
Also make sure that grf_cvreg.h includes cpu.h as it is needed by Xamiga
in xsrc/xfree/xc/programs/Xserver/hw/netbsd/amiga/s3/amigaCV.h.

branches: 1.74.2;
Use lwp_getpcb() on m68k ports, clean from struct user usage.

Remove uarea swap-out functionality:

- Addresses the issue described in PR/38828.
- Some simplification in threading and sleepq subsystems.
- Eliminates pmap_collect() and, as a side note, allows pmap optimisations.
- Eliminates XS_CTL_DATA_ONSTACK in scsipi code.
- Avoids few scans on LWP list and thus potentially long holds of proc_lock.
- Cuts ~1.5k lines of code. Reduces amd64 kernel size by ~4k.
- Removes __SWAP_BROKEN cases.

Tested on x86, mips, acorn32 (thanks <mpumford>) and partly tested on
acorn26 (thanks to <bjh21>).

Discussed on <tech-kern>, reviewed by <ad>.

Removed old Amiga-specific "sicallback" software interrupts and replaced
them by MI softints. Approved by "is".

Remove all the __P() from sys (excluding sys/dist)
Diff checked with grep and MK1 eyeball.
i386 and amd64 GENERIC and sys still build.

branches: 1.70.4; 1.70.12; 1.70.18;
Remove CTL_MACHDEP_NAMES, it's not used anywhere.

Ok by martin@.

branches: 1.69.2; 1.69.6;
Add timecounter support and borrow counter-based delay from i386.
From joerg; testing and final tweaks by me.

branches: 1.68.2; 1.68.8;
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.

branches: 1.67.2;
Add ci_cpuid where it's missing.

branches: 1.66.2; 1.66.4; 1.66.8;
Move declarations of m68k common functions
from <machine/cpu.h> to <m68k/m68k.h>.
While here, remove some obsolete function decls.

Forgot cpu.h for amiga - rename proc_trampoline()->lwp_trampoline().

Amiga changes for idlelwp.

branches: 1.63.2; 1.63.4; 1.63.10;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.

branches: 1.62.2;
Remove spllowersoftclock() and CLKF_BASEPRI(), and always dispatch callouts
via a soft interrupt. In the near future, softclock will be run from process
context.

Merge newlock2 to head.

branches: 1.60.20;
merge ktrace-lwp.

branches: 1.59.12;
don't expose cpu_info to userland.

move some per-cpu data definitions to MI place so that they can be modified
without touching all ports. discussed on tech-kern@.

Rearrange process exit path to avoid need to free resources from different
process context ('reaper').

From within the exiting process context:
* deactivate pmap and free vmspace while we can still block
* introduce MD cpu_lwp_free() - this cleans all MD-specific context (such
as FPU state), and is the last potentially blocking operation;
all of cpu_wait(), and most of cpu_exit(), is now folded into cpu_lwp_free()
* process is now immediatelly marked as zombie and made available for pickup
by parent; the remaining last lwp continues the exit as fully detached
* MI (rather than MD) code bumps uvmexp.swtch, cpu_exit() is now same
for both 'process' and 'lwp' exit

uvm_lwp_exit() is modified to never block; the u-area memory is now
always just linked to the list of available u-areas. Introduce (blocking)
uvm_uarea_drain(), which is called to release the excessive u-area memory;
this is called by parent within wait4(), or by pagedaemon on memory shortage.
uvm_uarea_free() is now private function within uvm_glue.c.

MD process/lwp exit code now always calls lwp_exit2() immediatelly after
switching away from the exiting lwp.

g/c now unneeded routines and variables, including the reaper kernel thread

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.

branches: 1.55.2;
Merge the nathanw_sa branch.

o replace definitions by declarations in header files
o put definitions where due
o cleanup some types (u_int -> vaddr_t's for example)
o minor other cleanup

branches: 1.53.2;
introduce an interrupt_depth variable which counts how nested we are into
interrupts.
This allows hardclock() to account for the time spent in interrrupts, and
as a side-effect, top(1), systat(1) and others will no more report 0% of
interrupt activity.

mvme68k does that already.

branches: 1.52.2; 1.52.6;
use _KERNEL_OPT

branches: 1.51.2;
Unification of the m68k syscall() function.

Make need_resched() take a "struct cpu_info *" argument. This
causes gives a primitive form of processor affinity. Its use in
roundrobin() still needs some work.

First sweep at scheduler state cleanup. Collect MI scheduler
state into global and per-CPU scheduler state:

- Global state: sched_qs (run queues), sched_whichqs (bitmap
of non-empty run queues), sched_slpque (sleep queues).
NOTE: These may collectively move into a struct schedstate
at some point in the future.

- Per-CPU state, struct schedstate_percpu: spc_runtime
(time process on this CPU started running), spc_flags
(replaces struct proc's p_schedflags), and
spc_curpriority (usrpri of processes on this CPU).

- Every platform must now supply a struct cpu_info and
a curcpu() macro. Simplify existing cpu_info declarations
where appropriate.

- All references to per-CPU scheduler state now made through
curcpu(). NOTE: this will likely be adjusted in the future
after further changes to struct proc are made.

Tested on i386 and Alpha. Changes are mostly mechanical, but apologies
in advance if it doesn't compile on a particular platform.

branches: 1.48.2;
Remove now superfluous prototype definitions (of the m68k cache operations).

branches: 1.47.2;
Define cpu_number() as discussed on tech-smp.

synchronize types, and s/curproc/p/ in one forgotten place

mac68k part of pr 6152 fix, and missing bits for the others

Changes to support fork_kthread():
- cpu_set_kpc() now takes void *arg third argument, passed to the
entry point.
- cpu_fork() allows parent to be non-curproc iff parent is proc0.
When forking non-curproc, assume its state has already been saved.
- Adjust various pieces of machine-dependent code to account of all of this.

Oops, back out a buglet I didn't intend to commit in the last change.

configure() prototype is in <sys/device.h>

Define is_draco() inlined.
Corresponds to removal of this function in autoconf.c 1.61.

Avoid declaring the "astpending" and "want_resched" globals in cpu.h,
as this breaks C++ code that happens to indirectly include this header.
Both Matthias Scheler and I noticed this, independently.

This problem notably does not affect the atari and sun3/sun3x ports,
which have already implemented a similar solution.

Make these compile after m68k/m68k.h 1.4->1.5.

regdump() is prototyped in <m68k/cpu.h> now.

"options GENERIC" is obsolete, don't need the prototype for setconf() anymore.

Use <m68k/cpu.h>.

Some more Prototypes needed for DraCo support.

Only declare setconf() #ifdef GENERIC.

add DCIA prototype.

First part of M68060 and DraCo support.

* for the M68060 part: store buffer and branch target cache aren't
enabled yet (this needs cleanup of lots of locore.s code which is a
maze of little passages, all a little different) (and it wasn't yet
tested in an accellerated Amiga, only in the DraCo).

I've included a workaround for 2 of the CPU bugs in chips with Masks
1F43G and earlier, but didn't bother to deal with the can of worms
in the [0-3]D11W chips. Be sure to get "68060 rev. 1" or more
reported at kernel startup time, or at least mention it (or the mask
revision, if available) when reporting problems.

* for the DraCo: only machines with a CIA timer.

I assigned machine id 32000+nn (0x7Dnn), where n is the machine
readable Quicklogic custom chip revision (also printed at boot
time). "Guaranteed to work" up to rev. 3, newer DraCo's aren't
guaranteed to have any CIA (we don't have a driver for the new timer
yet).

Supported are:

- MF-II keyboards on the native interface and A3000 keyboards via
the CIA.
- builtin SCSI interface (yet another instance of siop)
- CIA timer.
- Zorro II devices which don't do DMA (don't get mapped to Zorro II
address space in the DraCo)
- "local bus" devices which are autoconfigured by the boot rom
(should be all); only an Altais driver is there (looks like a Retina Z3)

Not yet supported are:

- native timer of newer machines.
- Real Time Clock.
- serial, parallel + floppy on the SuperIO chip (that is also: no mouse)

XXX You need an enhanced boot loader, which will committed in a few days.

XXX std.draco should and will go away.

Add a __noreturn__ attribute for doboot

The prototyp for cpu_set_kpc is now in sys/systm.h

- Cleanup for -Wall and -Wstrict-prototypes

Typo squished.

Yet more MC68060 bits.

AMIGA_68060 flag in cpu.h and genassym.c.

Remove deprecated cpu_setstack().

SCSI disconnects: siop from osymh@gemini.oscs.montana.edu (Michael L. Hitch)
and sbic from "Eduardo E. Horvath eeh@btr.com" <eeh@btr.btr.com>

Other cleanup (remove cpu040) and enabling IVS A500 support
from osymh@gemini.oscs.montana.edu (Michael L. Hitch)

remove unused cpu_exec() definitions. moved "broken swap" markers, for
ports that still need it, to types.h.

PS_STRINGS in A2. Add fputype, remove cpuspeed. switch to new coredump

enable swapping of process

remove double mapping of kernel stack. created cpu_set_kpc()

define BROKEN_SWAP and/or cpu_swapout as appropriate.

- added sunos_machdep.c for sun3, atari, amiga and mac68k.
- changed machdep.c and trap.c to use struct emul.
- remove ep_setup references.
- added struct emul to all emulations.

KERNEL -> _KERNEL

Many changes from osymh@gemini.oscs.montana.edu (Michael L. Hitch)
Now use amiga HW for soft interrupts, non-contig options (2 or many chunks),
interrupt handler lists, 4066 ethernet, 1291 scsi, option to defer level 6
interrupts to level 4 (deal with icky built-in serial port)

new RCS ID format.

started out cleaning up amiga_init.c ended up touching alot of files.

update to work with new m68k frame and recent vm changes.

update for recent sig changes and fix clock.c and ite.c

resistance is futile, you will be assimilated.
amiga goes: config.new *and* /sys/scsi.
clock code coerced into a single .c file adding an accurate usec delay().
disklabel.c updated to DTRT, code to write RDB's to be added soon.
sbic (old scsi) converted over to new scsi and config this covers about
90% of users. Other drivers soon.

update to match current proc flags.

also conform to standard style

protect against multiple inclusion (and be consitent)

Add missing Id's

swap ps and pc to match m68k:struct frame.

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

new source release integrated from amiga-release.

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

Add missing Id's

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Add RCS identifiers, remove some completely useless RCS logs and patchkit
headers, and a few other insignificant changes.

branches: 1.1.1;
Initial revision

Cleanup and clarify the ELFSIZE mess:

We now have 2 variables automatically set in elf_machdep.h:

ARCH_ELFSIZE: the size for userland binaries
KERN_ELFSIZE: the size for the kernel binaries

DB_ELFSIZE has been deleted and KERN_ELFSIZE should have always the
same values DB_ELFSIZE used to have.

In sys/exec_elf.h, if ELFSIZE is not set, it is set to KERN_ELFSIZE
for the kernel and ARCH_ELFSIZE for userland. These defaults should
eliminate the need for most manual ELFSIZE setting.

branches: 1.5.6; 1.5.172;
ELF symbol support for DDB.

branches: 1.4.46;
new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

Updated headers from current amiga branch.

Add getlabelusesmbr(), as proposed in
http://mail-index.netbsd.org/tech-userlevel/2011/08/25/msg005404.html
This is used by disk tools such as disklabel(8) to dynamically decide is
the undelyling platform uses a disklabel-in-mbr-partition or not
(instead of using a compile-time list of ports).
getlabelusesmbr() reads the sysctl kern.labelusesmbr, takes its value from the
machdep #define LABELUSESMBR.
For evbmips, make LABELUSESMBR 1 if the platform uses pmon
as bootloader, and 0 (the previous value) otherwise.

Make disklabel.h from amiga and amigappc include the MI sys/disklabel_rdb.h.
amiga/amiga/adosglue.h was deleted and moved into sys_disklabel_rdb.h, as both
are always needed together (disksubr.c and ofppc/stand/ofwboot/rdb.c).

branches: 1.6.170;
- Cleanup for -Wall and -Wstrict-prototypes

misc cleanup, better tty alloc for mfc. from osymh@gemini.oscs.montana.edu (Michael L. Hitch)

new RCS ID format.

move arch dependence to archs. clean up a bit. deal with weird MAXPARTITONS.

move to new disk minor encoding (parts have lowest 4 bits instead of 3)
remove multiple inclusions protection from varargs.h

resistance is futile, you will be assimilated.
amiga goes: config.new *and* /sys/scsi.
clock code coerced into a single .c file adding an accurate usec delay().
disklabel.c updated to DTRT, code to write RDB's to be added soon.
sbic (old scsi) converted over to new scsi and config this covers about
90% of users. Other drivers soon.

Basic elf_machdep.h for m68k; doesn't include relocations, yet.

In the `MY THAT'S GROSS' department...
Eliminate the recursive include of machine/endian.h from sys/endian.h.

branches: 1.8.8;
Format consistency.

new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

branches: 1.1.6;
In the `MY THAT'S GROSS' department...
Eliminate the recursive include of machine/endian.h from sys/endian.h.

moved to aout_machdep.h (via repository copy)

Use <m68k/exec.h>.

new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

Fix spelling error in Copyright notice

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Put definition of __LDPGSZ and `struct relocation_info' where they belong:
in <machine/exec.h>.

branches: 1.1.1;
Initial revision

Amiga don't need its own fbio.h anymore; screenblank(8) uses <dev/sun/fbio.h>,
and the ioctl that this file defines is compatible.

branches: 1.3.20; 1.3.22;
Fix Copyright dates

Assign my files to The NetBSD Foundation, Inc.

Screenblank support:
- new fbio.h in arch/amiga/include, defining only FBIOSVIDEO
- add an IOCTL translation to arch/amiga/dev/grf.c
- add screenblank to the list of specials to build on amiga.

Re-factor the 680x0 Function Code definitions into their own
separate file (as was done on the sun2/sun3 ports ages ago)
and switch everyone to the common header.

branches: 1.1.2; 1.1.18;
fenv for m68k

Prototype __flt_rounds() consistently.

branches: 1.8.18;
new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

new source release integrated from amiga-release.

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

A foolish consistency.

Pullin m68k/ieee.h.

Fix typo: ieefp.h -> ieeefp.h.

Move fp_except and fp_rnd definitions to machine/include.

branches: 1.1.2; 1.1.4; 1.1.12;
Add definitions of C99 integer constant macros.

branches: 1.1.2; 1.1.4; 1.1.12;
Add definitions of C99 integer format conversion macros.
XXX Fastest minimum-width integer types haven't been decided upon yet.

branches: 1.1.2; 1.1.4; 1.1.12;
Add definitions of C99 specified-width integer type limits.
XXX Fastest minimum-width integer types haven't been decided upon yet.

branches: 1.1.2; 1.1.4; 1.1.12;
Add definitions of C99 minimum-width and greatest-width integer types.
XXX Fastest minimum-width integer types haven't been decided upon yet.

branches: 1.1.2;
Add <machine/int_types.h>, which provides namespace-pure definitions
of exact-width integer types.

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.

branches: 1.22.20;
Clean up _LKM --> _MODULE leftovers.

Note that _KERNEL is always defined for modules.

Removed old Amiga-specific "sicallback" software interrupts and replaced
them by MI softints. Approved by "is".

Remove clause 3 and 4 from TNF licenses

branches: 1.19.14; 1.19.16; 1.19.18;
Interrupt handling changes, in discussion since February:

- Reduce available SPL levels for hardware devices to none, vm, sched, high.
- Acquire kernel_lock only for interrupts at IPL_VM.
- Implement threaded soft interrupts.

branches: 1.18.16; 1.18.18; 1.18.24;
- Shrink ipl_cookie_t from 32-bits to 16-bits (large enough to hold
an SR value or an IPL_* constant).
- Take advange of the smaller ipl_cookie_t to shrink kmutex_t from
16 bytes to 8 bytes by overlapping storage where possible.
- Implement a RAS-based _lock_cas() for mc68010 systems (Sun2). See
sun68k/sun68k/isr.c.

Tested on various m68k platforms, but NOT Sun2. In any case, at least
Sun2 compiles now.

branches: 1.17.2; 1.17.6;
Remove spllowersoftclock() and CLKF_BASEPRI(), and always dispatch callouts
via a soft interrupt. In the near future, softclock will be run from process
context.

merge yamt-splraiseipl branch.

- finish implementing splraiseipl (and makeiplcookie).
http://mail-index.NetBSD.org/tech-kern/2006/07/01/0000.html
- complete workqueue(9) and fix its ipl problem, which is reported
to cause audio skipping.
- fix netbt (at least compilation problems) for some ports.
- fix PR/33218.

Use #ifdef _AMIGA_INTR_H_ rather than _MACHINE_INTR_H_
to protect multiple inclusion.

branches: 1.14.20; 1.14.22;
merge ktrace-lwp.

branches: 1.13.8;
move spl*() and IPL_* definitions from psl.h to intr.h.

branches: 1.12.24; 1.12.32;
Add IPL_SOFTCLOCK, which was missing.

Rename __GENERIC_SOFT_INTERRUPTS to __HAVE_GENERIC_SOFT_INTERRUPTS,
and place the definition in <machine/types.h>. This can now be used
as a flag to indicate whether or not <machine/intr.h> can be included
to get the generic soft interrupt API.

add IPL_SERIAL to enable PCMCIA com* compilation

defined IPL_BIO, IPL_NET and IPL_TTY for soon to be integrated PCMCIA code

branches: 1.8.8;
Fix Copyright dates

Assign my files to The NetBSD Foundation, Inc.

Split SMC chipset ARCnet driver into
- machine independent chip driver, in dev/ic/smc90cx6.c/...reg.h,...var.h,
using bus_space methods
- ZBUS frontend in arch/amiga/dev/if_bah_zbus.c
- added IPL_SOFTNET to arch/amiga/include/intr.h, for this
Implementing the ISA bus frontend is left as an exercise to the reader.

Switching dev/ic/lpt.c to use spllpt() instead of spltty(). It doesn't use
tty structures, and on some machines (namely the DraCo internal lpt, and some
multi-i/o boards for Amigas and DraCos), tying spltty to the pretty high printer
interupt level would hurt serial performance.

On all affected ports but Amiga, spllpt() has been defined in machine/intr.h
to be spltty(), thus preserving old behaviour. Portmasters are encouraged to
change is, if they feel something else is better (e.g., one of its own were
possible).

Dont define splserial here... its now different from spltty.

Make splserial == spltty, for now. This should be revisited after the
release.

branches: 1.2.2;
Stopgap for splaudio(), needed by the Melody driver.
This will be replaced soon by something similar to the spltty stuff.

branches: 1.1.2;
machine/intr.h for the Amiga port. Mostly a wrapper around other includes.

Used by the new libkvm and kernel coredump.

- Normalize inclusion protection (remove)
- Move CHAR_{MIN,MAX} to a common file.
- Fix broken comments

branches: 1.8.206; 1.8.210;
new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Removed CLK_TCK, it's value is not machine dependant.
It's supposed to be defined in <time.h>, not <limits.h> anyway.

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

Consistently define WARN in a way that passes format string checks, i.e.
always uses the same number of arguments as given in the format string.

branches: 1.5.22; 1.5.36;
Remove all the __P() from sys (excluding sys/dist)
Diff checked with grep and MK1 eyeball.
i386 and amd64 GENERIC and sys still build.

branches: 1.4.8; 1.4.14;
Remove clause 3 and 4 from TNF licenses

branches: 1.3.72; 1.3.74; 1.3.76;
free -> dealloc
unsigned -> size_t for alloc/dealloc

branches: 1.2.2; 1.2.34; 1.2.46;
Split elf32 vs. elf64 handling in loadfile(), including support for
each separately and explicitly. BOOT_ELF is now BOOT_ELF32 and
BOOT_ELF64, and ELFSIZE should no longer be defined in loadfile_machdep.h.

branches: 1.1.2; 1.1.6;
loadfile() support for new amiga boot loader.

branches: 1.1.6;
Require that each each MACHINE/MACHINE_ARCH supply a lock.h. This file
contains the values __SIMPLELOCK_LOCKED and __SIMPLELOCK_UNLOCKED, which
replace the old SIMPLELOCK_LOCKED and SIMPLELOCK_UNLOCKED. These files
are also required to supply inline functions __cpu_simple_lock(),
__cpu_simple_lock_try(), and __cpu_simple_unlock() if locking is to be
supported on that platform (i.e. if MULTIPROCESSOR is defined in the
_KERNEL case). Change these functions to take an int * (&alp->lock_data)
rather than the struct simplelock * itself.

These changes make it possible for userland to use the locking primitives
by including <machine/lock.h>.

branches: 1.1.4;
Create a new header lwp_private.h to contain _lwp_getprivate_fast,
_lwp_gettcb_fast, _lwp_settcb and remove them from mcontext.h, so that:
1. we don't need special hacks to hide them
2. we can include <lwp.h> where needed to get the necessary prototypes
without redefining them locally.

branches: 1.1.6;
C99: Define a NAN macro in <math.h> which evaulates to a constant expression of
a single-precision quiet NaN; only to be defined on platforms that do support
this value.

Merge the nathanw_sa branch.

branches: 1.1.2;
file mcontext.h was initially added on branch nathanw_sa.

No longer used since migrating from sicallback-softints to MI-softints.

branches: 1.19.18; 1.19.32;
Interrupt handling changes, in discussion since February:

- Reduce available SPL levels for hardware devices to none, vm, sched, high.
- Acquire kernel_lock only for interrupts at IPL_VM.
- Implement threaded soft interrupts.

branches: 1.18.8; 1.18.26; 1.18.28; 1.18.34;
Use atomic operations for setting ssir. Fixes problem when compiled without
optimization of losing a scheduled software interrupt and stalling the
softclock processing.

branches: 1.17.20; 1.17.22;
merge ktrace-lwp.

branches: 1.16.16;
Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.

branches: 1.15.24;
Make softclock a generic soft interrupt of the API is available,
adding the requisite void * argument to softclock().

branches: 1.14.10;
Implement softintr_disestablish().

Use atomic operations for DraCo interupt registers

This has been in amiga/amiga/mtpr.h for a long, long time.

Add __GENERIC_SOFT_INTERRUPTS implementation.
Currently, this is only kind of a wrapper around the *_sicallback() function
family. This way, we'll only break the new driver if it doesn't work.
After more drivers are converted, we'll change it to be the other way round.

branches: 1.10.12;
First part of M68060 and DraCo support.

* for the M68060 part: store buffer and branch target cache aren't
enabled yet (this needs cleanup of lots of locore.s code which is a
maze of little passages, all a little different) (and it wasn't yet
tested in an accellerated Amiga, only in the DraCo).

I've included a workaround for 2 of the CPU bugs in chips with Masks
1F43G and earlier, but didn't bother to deal with the can of worms
in the [0-3]D11W chips. Be sure to get "68060 rev. 1" or more
reported at kernel startup time, or at least mention it (or the mask
revision, if available) when reporting problems.

* for the DraCo: only machines with a CIA timer.

I assigned machine id 32000+nn (0x7Dnn), where n is the machine
readable Quicklogic custom chip revision (also printed at boot
time). "Guaranteed to work" up to rev. 3, newer DraCo's aren't
guaranteed to have any CIA (we don't have a driver for the new timer
yet).

Supported are:

- MF-II keyboards on the native interface and A3000 keyboards via
the CIA.
- builtin SCSI interface (yet another instance of siop)
- CIA timer.
- Zorro II devices which don't do DMA (don't get mapped to Zorro II
address space in the DraCo)
- "local bus" devices which are autoconfigured by the boot rom
(should be all); only an Altais driver is there (looks like a Retina Z3)

Not yet supported are:

- native timer of newer machines.
- Real Time Clock.
- serial, parallel + floppy on the SuperIO chip (that is also: no mouse)

XXX You need an enhanced boot loader, which will committed in a few days.

XXX std.draco should and will go away.

KERNEL -> _KERNEL

Many changes from osymh@gemini.oscs.montana.edu (Michael L. Hitch)
Now use amiga HW for soft interrupts, non-contig options (2 or many chunks),
interrupt handler lists, 4066 ethernet, 1291 scsi, option to defer level 6
interrupts to level 4 (deal with icky built-in serial port)

new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

Add missing Id's

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

branches: 1.2.4;
Merge newlock2 to head.

branches: 1.1.2;
file mutex.h was initially added on branch newlock2.

Xorg for amiga via wsfb. Currently available on CV64 and CV64/3D. More
graphics cards will follow, when adding wscons support to them.

I didn't manage to make the "wskbd" protocol the default in the X server,
so you have to provide a small xorg.conf with Option "Protocol" "wskbd".
The standard protocol will not work as the Amiga wskbd cannot be switched
into raw mode and has no AT-scancode translation in the kernel.

On the positive side, wskbd also works with national keymaps under X.

The graphics modes can still be defined via grfconfig(8). Xorg's wsfb
driver uses the current grf video mode, which is usually mode #1.
All resolutions and depths seem to work (tested on CV64).

branches: 1.49.6; 1.49.24;
proper sizing of kmem_arena on different ports

PR port-i386/45946: Kernel locks up in VMEM system

branches: 1.48.4; 1.48.8;
Remove clause 3 (UCB advertising clause) from the University of Utah
copyright. Confirmed by Mike Hibler, mike at cs.utah.edu - thanks!
Also, merge UCB and Utah copyright texts back into one, as they
originally were.

Extra verification by snj@.

branches: 1.47.4; 1.47.6; 1.47.8;
Refactoring MD segment related definitions on m68k ports:
- move macro SEGSHIFT, NBSEG, and SEGOFSET from <machine/param.h>
to <m68k/pmap_motorola.h> where they should belong
- also simplify NBSEG macro for both 020/030 and 040/060 cases
- also move m68k_trunc_seg(), m68k_round_seg(), and m68k_seg_offset()
(that use SEGOFSET) from <m68k/param.h> to <m68k/pmap_motorola.h>
- add comments about each segment size value used on pmap_motorola
implementation
- add TIA_SIZE, TIA_SHIFT, TIB_SIZE, and TIB_SHIFT macro which can be
used for ste/pte index sizes
- use proper vaddr_t cast instead of unsigned for SEGOFSET/PGOFSET macro

Tested on atari, hp300, and news68k.

Fix wrong NBSEG values for all hp300 pmap derived m68k ports.
They were incorrect since 1997 on amiga and atari, and since 2002
on other ports, but fortunately they don't look so fatal.

Anyway, these values will be moved into <m68k/pmap_motorola.h> soon
since they are quite pmap implementation dependent.

branches: 1.45.10;
Add timecounter support and borrow counter-based delay from i386.
From joerg; testing and final tweaks by me.

branches: 1.44.50; 1.44.56; 1.44.64;
merge ktrace-lwp.

branches: 1.43.6;
Don't expose spl functions to non-kernel.

branches: 1.42.2;
move spl*() and IPL_* definitions from psl.h to intr.h.

branches: 1.41.8;
Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.

branches: 1.40.8;
Updated NKMEMPAGES_MAX_DEFAULT so that large memory systems won't crash
when allocating/deallocating lots of memory at once.

branches: 1.39.8; 1.39.12; 1.39.20;
Update for the NKMEMPAGES changes.

CL* discarding.

branches: 1.37.16; 1.37.22;
Move the definition of MSGBUFSIZE up to the machine-arch level if
possible. Pointed out by Bernd Ernesti.

Implement the kernel part of pr-1891. This allows for a more flexible sized
msgbuf. Note that old 'dmesg' and 'syslogd' binaries will continue running,
though old 'dmesg' binaries will output a few bytes of junk at the start of
the buffer, and will miss a few bytes at the end of the buffer.

branches: 1.35.2;
Restore the defines of UPAGES and NPTEPG.

The 'Mach derived conversion macros' are now in <m68k/param.h>

Use the MI <m68k/param.h> include.

Protect MCLSHIFT definition so users can customize MCLBYTES.
patch from jonathan.

Define ALIGNED_POINTER

branches: 1.30.6;
The declarations for the interrupt enable address should only be done if
_KERNEL is defined. The bash install process was including the extern
statements into its generated Makefile.

- Cleanup for -Wall and -Wstrict-prototypes

add _MACHINE and _MACHINE_ARCH, which are like MACHINE and MACHINE_ARCH,
execpt without quotes. meant to be __CONCAT()ted for easy #includes
of machine-dependent headers for MI code (e.g. for the MI ISA/EISA/PCI/TC
bus code).

Clean up tabbing/spacing in defns of MACHINE, MACHINE_ARCH, and MID_MACHINE.

remove MAXPARTITIONS, closes #1923

SCSI disconnects: siop from osymh@gemini.oscs.montana.edu (Michael L. Hitch)
and sbic from "Eduardo E. Horvath eeh@btr.com" <eeh@btr.btr.com>

Other cleanup (remove cpu040) and enabling IVS A500 support
from osymh@gemini.oscs.montana.edu (Michael L. Hitch)

Replace splnet() with splsoftnet(). Add splnet().

kill user-land DELAY macro, as suggested by gwr.

clean up definitions of ctod(), dtoc(), ctob(), btoc(), btodb(), and
dbtob(). remove unused definitions of ctos(), stoc(), and dtob().

PS_STRINGS in A2. Add fputype, remove cpuspeed. switch to new coredump

cleanup SG4_, fix magnum interrupts, gvp hack for ziii, new gvp configs, 4066
4066 interrupt fix, add baudrate gen and don't clear other port lines for mfc
from osymh@gemini.oscs.montana.edu (Michael L. Hitch)

KERNEL -> _KERNEL

don't be so quick to cast macro arguments to unsigned; if the
arguments are really off_t's (e.g. to btodb), then you can lose
information. This was the "> 4G file systems don't work" bug; physio
uses btodb, which was broken.

Many changes from osymh@gemini.oscs.montana.edu (Michael L. Hitch)
Now use amiga HW for soft interrupts, non-contig options (2 or many chunks),
interrupt handler lists, 4066 ethernet, 1291 scsi, option to defer level 6
interrupts to level 4 (deal with icky built-in serial port)

support for recent changes (non-contig mem..)
from osymh@gemini.oscs.montana.edu (Michael L. Hitch)

new RCS ID format.

branches: 1.14.2;
asm -> __asm (PR #463).

add USPACE

started out cleaning up amiga_init.c ended up touching alot of files.

resistance is futile, you will be assimilated.
amiga goes: config.new *and* /sys/scsi.
clock code coerced into a single .c file adding an accurate usec delay().
disklabel.c updated to DTRT, code to write RDB's to be added soon.
sbic (old scsi) converted over to new scsi and config this covers about
90% of users. Other drivers soon.

also conform to standard style

protect against multiple inclusion (and be consitent)

add some very usefull debug stuff to spl inline macros.

Move some arch dependant stuff in here.

Add missing Id's

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

new source release integrated from amiga-release.

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

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.

branches: 1.16.10;
Switch amiga to common m68k include files, pcb.h, pmap_motorola.h, and
pte_motrola.h.

Get rid of pcb_cmap2 - it hasn't been used for a long, long time.

branches: 1.14.2; 1.14.4; 1.14.10;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.

branches: 1.13.24; 1.13.26; 1.13.30;
merge ktrace-lwp.

branches: 1.12.16;
Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.

branches: 1.11.24;
define PCB_REGS_* so that kdb compiles again

branches: 1.10.14;
The user segment table pointer is no longer kept here. Change it to
a spare field.

XXX Should be changed to use generic m68k PCB!

remove double mapping of kernel stack. created cpu_set_kpc()

new RCS ID format.

add md_coredump

also conform to standard style

protect against multiple inclusion (and be consitent)

Add missing Id's

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

make pci_intr_string and eisa_intr_string take a buffer and a length
instead of relying in local static storage.

branches: 1.7.2; 1.7.4;
Add support for all 4 slots of G-REX 4000D and G-REX 1200. Also add
(untested yet) DMA support for G-REX bridges.

More work on PCI memory accesses on empb(4).

Add dummy bus_dma(9) typedefs (enabled by __HAVE_NO_BUS_DMA) in <sys/bus.h>
for ports which don't bother to have unnecessary bus_dma(9) implementation
to appease MI driver modules that require bus_dma_tag_t.

For amiga, move <m68k/bus_dma.h> inclusion from <machine/pci_machdep.h>
to <machine/bus.h> since amiga will want actual bus_dma(9) in future
for PCI devices.

Fixes builds on sys/modules/if_axe etc on ancient ports.

"Sounds good" from martin@ on port-m68k@.

Tons of enchancements to MD PCI code:
- The G-REX 4000 and G-REX 1200 are now really supported and working (still only 1st slot but the rest are a matter of time).
- Add bridge identification to p5pb, simplifies the driver and make it more user-friendly.
- Retire P5PB_GENFB and P5PB_OLD_FIRMWARE options, these are now handled automatically, depending on used hardware and firmware.
- Add PCI bus reconfiguration support to p5pb (PCI_NETBSD_CONFIGURE), allows using G-REX without boot to AmigaOS.
- Bring p5pb registers desription up to date with my knowledge.
- Add a lot of debugging code to p5pb (enabled by P5PB_DEBUG kernel option).
- Fix PCI_NETBSD_CONFIGURE in mppb (now it really works).
- Fix quirk handling in zbus.
- Update GENERIC.in and regen the kernel configs.
- Misc cleanup.

branches: 1.3.2; 1.3.6;
Minor changes to Amiga PCI MD code:
- Add bus enumeration and resource assignment (PCI_NETBSD_CONFIGURE) to mppb(4) - no more need to run AmigaOS to configure the bus.
- Add PCI configuration address register to p5pb(4).
- Add PCI I/O space support to p5pb(4).
- Move common code from p5pb(4) and mppb(4) to new pci_machdep.c file.
- Fix style.

Add driver for Prometheus PCI bridge.
Change approved by phx.

Add basic PCI support for amiga port.
Add missing bus_space(9) methods needed for MI PCI.
Add p5pb(4) - Phase5 PCI bridge driver (and the man page).
Add quirks table to zbus(4) - needed for p5pb.
Change approved by phx.

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.

branches: 1.44.10;
Switch amiga to common m68k include files, pcb.h, pmap_motorola.h, and
pte_motrola.h.

branches: 1.43.2; 1.43.4; 1.43.10;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.

branches: 1.42.20;
Change "inline" back to "__inline" in .h files -- C99 is still too
new, and some apps compile things in C89 mode. C89 keywords stay.

As per core@.

branches: 1.41.2; 1.41.4; 1.41.6;
Remove leading __ from __(const|inline|signed|volatile) -- it is obsolete.

merge ktrace-lwp.

branches: 1.39.16;
Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.

branches: 1.38.2;
Use PAGE_SIZE rather than NBPG.

Merge the nathanw_sa branch.

it really helps to get the stub right before cutting + pasting it 27 times.
alas, I did not. doh.

add pmap_remove_all() hook (empty on most platforms so far).

o replace definitions by declarations in header files
o put definitions where due
o cleanup some types (u_int -> vaddr_t's for example)
o minor other cleanup

branches: 1.33.4;
Update pmap_update to now take the updated pmap as an argument.
This will allow improvements to the pmaps so that they can more easily defer expensive operations, eg tlb/cache flush, til the last possible moment.

Currently this is a no-op on most platforms, so they should see no difference.

Reviewed by Jason.

branches: 1.32.2; 1.32.4;
replace vm_page_t with struct vm_page *.

replace {simple_,}lock{_data,}_t with struct {simple,}lock {,*}.

Undo a misguided previous change to the pmap_update() API.

Give pmap_update() an argument (a pmap_t) so that it knows which
pmap it should be updating.

#define away pmap_update() in <machine/pmap.h> so that no function
call overhead is incurred as we start sprinkling pmap_update() calls
throughout the source tree (no pmaps currently defer operations, but
we are adding the infrastructure to allow them to do so).

branches: 1.27.2; 1.27.14;
Sync with Atari pmap: support for the UVM changes

branches: 1.26.4;
Machine independent part of fix for PR 6152 (gdb doesn't work on machines
with UVM and seperate I&D-Cache). Mostly by Michael Hitch, but pass struct
proc * instead of the pmap. Reason: said machine will need a method to do
the syncing operation for "curproc", too; this way more code can be shared.

prepare for gdb fix

MACHINE_NEW_NONCONTIG for NetBSD/Amiga. The older contiguous and
MACHINE_NONCONTIG stuff isn't supported anymore.

Move pmap_map() function definition to MD headers, as appropriate. It's
an internal function, and the VM system shouldn't try to prototype it.
(Note that some ports _don't_ prototype it.)

Garbage-collect pm_stchanged; it's not used by anything.

Garbage-collect use of the PCB's copy of the user segment table pointer.

Now that all ports have pmap_activate(), and it has an identical interface,
prototype it in <vm/pmap.h>

Change an argument name to PMAP_ACTIVATE() to more accurately describe the
semantics of the argument.

- Make pmap_activate() and pmap_deactivate() take a struct proc *.
- Define active_user_pmap() and use it in the appropriate places (from hp300
port).

s/amiga_btop/m68k_btop/

move 040 to hp300 style, use new MI lance ethernet driver
a few minor fixes WRT prototypes.
if_le from Charles rest from osymh@gemini.oscs.montana.edu (Michael L. Hitch)

Add minimal dumpfile support.
Fix a bug in pt_enter_ptpage which caused MMU faults on low-mem conditions.
Change siop drivers to better handle sync.
Remove diag. done for ide -- its redundant as the ROM does similar.
fixed ite_filter to not panic if typing before the device is fully setup
All thanks to osymh@gemini.oscs.montana.edu (Michael L. Hitch)

SCSI disconnects: siop from osymh@gemini.oscs.montana.edu (Michael L. Hitch)
and sbic from "Eduardo E. Horvath eeh@btr.com" <eeh@btr.btr.com>

Other cleanup (remove cpu040) and enabling IVS A500 support
from osymh@gemini.oscs.montana.edu (Michael L. Hitch)

KERNEL -> _KERNEL

Bring back pmap_kernel(), for now always inlined as a pointer to
kernel_pmap_store.

support for recent changes (non-contig mem..)
from osymh@gemini.oscs.montana.edu (Michael L. Hitch)

new RCS ID format.

started out cleaning up amiga_init.c ended up touching alot of files.

update to work with new m68k frame and recent vm changes.

also conform to standard style

protect against multiple inclusion (and be consitent)

Add missing Id's

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

Remove the kernel PMC code. Sent yesterday on tech-kern@.

This change:

* Removes "options PERFCTRS", the associated includes, and the associated
ifdefs. In doing so, it removes several XXXSMPs in the MI code, which is
good.

* Removes the PMC code of ARM XSCALE.

* Removes all the pmc.h files. They were all empty, except for ARM XSCALE.

* Reorders the x86 PMC code not to rely on the legacy pmc.h file. The
definitions are put in sysarch.h.

* Removes the kern/sys_pmc.c file, and along with it, the sys_pmc_control
and sys_pmc_get_info syscalls. They are marked as OBSOL in kern,
netbsd32 and rump.

* Removes the pmc_evid_t and pmc_ctr_t types.

* Removes all the associated man pages. The sets are marked as obsolete.

branches: 1.1.2; 1.1.4; 1.1.6; 1.1.202; 1.1.204;
Implement pmc(9) -- An interface to hardware performance monitoring
counters. These counters do not exist on all CPUs, but where they
do exist, can be used for counting events such as dcache misses that
would otherwise be difficult or impossible to instrument by code
inspection or hardware simulation.

pmc(9) is meant to be a general interface. Initially, the Intel XScale
counters are the only ones supported.

m68k syscall rototill:

- Switch all m68k-based ports over to __HAVE_SYSCALL_INTERN.
- Add systrace glue.
- Define struct mdproc in <m68k/proc.h> instead of <machine/proc.h>.
(They were all defined exactly the same anyway, other than a couple
of the MDP_* flags.)

branches: 1.12.36; 1.12.40; 1.12.48;
Use 0x0001 for MDP_STACKADJ. Thanks Klaus.

GC unused MDP_AST, noticed by Klaus Klein.

new RCS ID format.

resistance is futile, you will be assimilated.
amiga goes: config.new *and* /sys/scsi.
clock code coerced into a single .c file adding an accurate usec delay().
disklabel.c updated to DTRT, code to write RDB's to be added soon.
sbic (old scsi) converted over to new scsi and config this covers about
90% of users. Other drivers soon.

also conform to standard style

protect against multiple inclusion (and be consitent)

Add missing Id's

Updated headers from current amiga branch.

Define new flag MDP_STACKADJ to back out of a stack adjustment in
syscall() in case of ERESTART.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

new RCS ID format.

just include common m68k version

merge ktrace-lwp.

move spl*() and IPL_* definitions from psl.h to intr.h.

branches: 1.19.8; 1.19.24; 1.19.32;
make the defopted "LEV6_DEFER" work for LKMs, too.

defopt LEV6_DEFER.

Remove the use of splimp() from the NetBSD kernel. splnet()
and only splnet() is allowed for the protection of data structures
used by network devices.

branches: 1.16.2;
Make sure everybody has an splvm() and equate it with splimp() (splimp()
is the historical name for this interrupt level, and the historical name
is going to go away in the near future).

Add spllock(). See spl(9) for details.

branches: 1.14.2;
Change the semantics of splsoftclock() to be like other spl*() functions,
that is priority is rasied. Add a new spllowersoftclock() to provide the
atomic drop-to-softclock semantics that the old splsoftclock() provided,
and update calls accordingly.

This fixes a problem with using the "rnd" pseudo-device from within
interrupt context to extract random data (e.g. from within the softnet
interrupt) where doing so would incorrectly unblock interrupts (causing
all sorts of lossage).

XXX 4 platforms do not have priority-raising capability: newsmips, sparc,
XXX sparc64, and VAX. This platforms still have this bug until their
XXX spl*() functions are fixed.

`interupt' -> `interrupt'

amiga_ttyspl -> amiga_serialspl (and keep ttyspl constant at 4 again).
(Part of this change slipped in with my last machdep commit; thanks to
Matthias Scheler for pointing this out).

Variable spltty a la Jason Thorpe. Needed for the DraCo variant of com.c.

backout previous kprintf change

printf -> kprintf, sprintf -> ksprintf

- Cleanup for -Wall and -Wstrict-prototypes

new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

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.

branches: 1.19.10;
Switch amiga to common m68k include files, pcb.h, pmap_motorola.h, and
pte_motrola.h.

branches: 1.18.30; 1.18.32; 1.18.38;
merge ktrace-lwp.

branches: 1.17.16;
Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.

branches: 1.16.2;
Use PAGE_SIZE rather than NBPG.

Get rid of AMIGA_UPTBASE.
Replace it by a variable, which is initialized in amiga_init.c.
This will make the kernel actually work even if we have lots of Zorro-III
(or DraCo direct bus) i/o space.

move 040 to hp300 style, use new MI lance ethernet driver
a few minor fixes WRT prototypes.
if_le from Charles rest from osymh@gemini.oscs.montana.edu (Michael L. Hitch)

Add minimal dumpfile support.
Fix a bug in pt_enter_ptpage which caused MMU faults on low-mem conditions.
Change siop drivers to better handle sync.
Remove diag. done for ide -- its redundant as the ROM does similar.
fixed ite_filter to not panic if typing before the device is fully setup
All thanks to osymh@gemini.oscs.montana.edu (Michael L. Hitch)

cleanup SG4_, fix magnum interrupts, gvp hack for ziii, new gvp configs, 4066
4066 interrupt fix, add baudrate gen and don't clear other port lines for mfc
from osymh@gemini.oscs.montana.edu (Michael L. Hitch)

add typedefs for pte's and ste's.

new RCS ID format.

put back simple replacement for pte and ste structs to make code work for now.

started out cleaning up amiga_init.c ended up touching alot of files.

fix long standing "bug" with pmap. Basically logic/misunderstanding
error commited when it was ported from hp300 (mach?). All
8M + amigas now gain ~1M of physical ram (4M hack removed).
Some minor cleanup. HAVEVAC code removed as it is for the hp300.

bring some good ideas over from hp300 port.

resistance is futile, you will be assimilated.
amiga goes: config.new *and* /sys/scsi.
clock code coerced into a single .c file adding an accurate usec delay().
disklabel.c updated to DTRT, code to write RDB's to be added soon.
sbic (old scsi) converted over to new scsi and config this covers about
90% of users. Other drivers soon.

also conform to standard style

protect against multiple inclusion (and be consitent)

Add missing Id's

Updated headers from current amiga branch.

new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

Updated headers from current amiga branch.

new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

HP300 -> MACHINE

stubs which pint to m68k include

Still need old #defines for now.

Implement `struct reg'.

Move #define of NIPCREG outside #fidef.

Ditto.

add rcsids to everything and clean up headers

branches: 1.1.1;
Initial revision

branches: 1.2.4;
Merge newlock2 to head.

branches: 1.1.2;
file rwlock.h was initially added on branch newlock2.

make the definition of _JBLEN mach. dep. header-dependent.

Minor change.

new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Retire varargs.h support. Move machine/stdarg.h logic into MI
sys/stdarg.h and expect compiler to provide proper builtins, defaulting
to the GCC interface. lint still has a special fallback.
Reduce abuse of _BSD_VA_LIST_ by defining __va_list by default and
derive va_list as required by standards.

Standardize format.

new RCS ID format.

make <stdarg.h> a symlink, and clean up ports' stdarg.h and varargs.h files.

also conform to standard style

protect against multiple inclusion (and be consitent)

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

branches: 1.2.18;
merge ktrace-lwp.

branches: 1.1.6;
Add m68k sunos_machdep.h

Remove compat_svr4 and compat_svr4_32, as discussed on tech-kern@ recently,
but also as discussed several times in the past.

branches: 1.3.40; 1.3.218;
Rip protection against multiple inclusion from wrapper headers.

branches: 1.2.2; 1.2.4; 1.2.6; 1.2.10;
Pull in the right generic m68k header. (Where was my mind?)

Add COMPAT_SVR4 for m68k.

Many changes from osymh@gemini.oscs.montana.edu (Michael L. Hitch)
Now use amiga HW for soft interrupts, non-contig options (2 or many chunks),
interrupt handler lists, 4066 ethernet, 1291 scsi, option to defer level 6
interrupts to level 4 (deal with icky built-in serial port)

new RCS ID format.

also conform to standard style

protect against multiple inclusion (and be consitent)

Updated headers from current amiga branch.

new tree for amiga, replacing the bogous previous one.
SunOS support works for a lot of executables now (static and dynamic).

Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.

branches: 1.1.1;
Initial revision

Define __HAVE_LEGACY_INTRCNT to indicate this port uses legacy intrcnt
interrupt accounting.

branches: 1.23.66; 1.23.68;
Welcome to 5.99.53! Merge rmind-uvmplock branch:

- Reorganize locking in UVM and provide extra serialisation for pmap(9).
New lock order: [vmpage-owner-lock] -> pmap-lock.

- Simplify locking in some pmap(9) modules by removing P->V locking.

- Use lock object on vmobjlock (and thus vnode_t::v_interlock) to share
the locks amongst UVM objects where necessary (tmpfs, layerfs, unionfs).

- Rewrite and optimise x86 TLB shootdown code, make it simpler and cleaner.
Add TLBSTATS option for x86 to collect statistics about TLB shootdowns.

- Unify /dev/mem et al in MI code and provide required locking (removes
kernel-lock on some ports). Also, avoid cache-aliasing issues.

Thanks to Andrew Doran and Joerg Sonnenberger, as their initial patches
formed the core changes of this branch.

branches: 1.22.32; 1.22.42;
Now that __HAVE_TIMECOUNTER and __HAVE_GENERIC_TODR are invariants,
remove the conditionals and the code associated with the undef case.

Add timecounter support and borrow counter-based delay from i386.
From joerg; testing and final tweaks by me.

branches: 1.20.2; 1.20.8;
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.

branches: 1.19.10;
Generic soft interrupts are mandatory.

branches: 1.18.12; 1.18.20;
Switch amiga to MI todr.

branches: 1.17.4; 1.17.8;
merge ktrace-lwp.

branches: 1.16.8;
amiga no longer abuses cf_unit.

branches: 1.15.8;
add __GENERIC_SOFT_INTERRUPTS_ALL_LEVELS to machine/types.h for
following ports:

acorn26, amiga, hpcarm, sparc, sparc64

This was proposed by Martin Husemann at teck-kern@ in May to properly
test whether softintr can be established for all IPL, or only for
IPL_SOFT*. OKed by acorn26, hpcarm and sparc port masters.

branches: 1.14.16;
Use "#define<tab>".

branches: 1.13.4; 1.13.8;
Rename __GENERIC_SOFT_INTERRUPTS to __HAVE_GENERIC_SOFT_INTERRUPTS,
and place the definition in <machine/types.h>. This can now be used
as a flag to indicate whether or not <machine/intr.h> can be included
to get the generic soft interrupt API.