Update copyright notice for Ludd (remove clause 3 & 4).

Remove COMPAT_SA / KERN_SA. Welcome to 6.99.3!
Approved by core@.

Cleanup trapframe handling. Instead of keeping a trapframe pointer in the
pcb, put in the mdlwp instead. We had a dummy field so it didn't grow in
size. This also follows the practice that mips an

Cleanup trapframe handling. Instead of keeping a trapframe pointer in the
pcb, put in the mdlwp instead. We had a dummy field so it didn't grow in
size. This also follows the practice that mips and powerpc follow that a
pointer to the user trapframe is in l->l_md.md_utf. Make trapframe members
start with tf_

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Support LWP_PC

Make vmapbuf() return success/error and make physio deal with a
failure.

Cleanups includes. Change <machine/XXX.h> to <sys/XXX.h>
Remove unneeded includes.

fix copy{in,out}{,str}() to return the error returned by uvm_fault().
fixes PR 41813.

Clear new pcb in cpu_lwp_fork, now that this seems to no longer be
guaranteed to be zeroed memory after the uarea swap changes.
XXX shouldn't we zero the new uarea upfront in MI code before calling
u

Clear new pcb in cpu_lwp_fork, now that this seems to no longer be
guaranteed to be zeroed memory after the uarea swap changes.
XXX shouldn't we zero the new uarea upfront in MI code before calling
uvm_lwp_fork?

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Replace l_addr with uvm_lwp_getuarea() in various MD code, mostly cpu_lwp_fork().

- Use lwp_getpcb() on VAX, clean from struct user usage.
- Include sys/user.h in MD proc.h .

Provide cpu_lwp_free* stubs in vax and powerpc.
Reported by <he>.

Include <sys/exec_aout.h> explicitly instead of relying on <sys/exec.h> to
do it for us.

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

build fix: include <sys/buf.h>

Make the emulations, exec formats, coredump, NFS, and the NFS server
into modules. By and large this commit:

- shuffles header files and ifdefs
- splits code out where necessary to be modular
- adds

Make the emulations, exec formats, coredump, NFS, and the NFS server
into modules. By and large this commit:

- shuffles header files and ifdefs
- splits code out where necessary to be modular
- adds module glue for each of the components
- adds/replaces hooks for things that can be installed at runtime

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fix userret() and resurrect cpu_setfunc() to make vax build again. ok by matt.

Rototill the vax code. Switch to devicet/PRIV_ALLOC. Cleanup vax autoconf
code. Move to prototype definitions. staticfy, constify, avoid casting.
Use device_* accessors.

A number of performance changes:
Change internal register SSP to contain curlwp insread curcpu(). This
shrinks the GENERIC by 2KB.
Add rwlock stubs (rw_enter, rw_exit, rw_tryenter).
Simplify simple

A number of performance changes:
Change internal register SSP to contain curlwp insread curcpu(). This
shrinks the GENERIC by 2KB.
Add rwlock stubs (rw_enter, rw_exit, rw_tryenter).
Simplify simple lock code for uniprocessors.
Do SPL raise/lower in cpu_handle_ipi instead of simple_locks.

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Make NetBSD/vax work again. Add support for __HAVE_FAST_SOFTINTS.
Add a few small optimizations.

Fix the remaining sys_sysarch() stub function.

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 v

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.

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Fix commant: proc_trampoline() -> cpu_lwp_bootstrap().

merge yamt-idlelwp branch. asked by core@. some ports still needs work.

from doc/BRANCHES:

idle lwp, and some changes depending on it.

1. separate context switching and thread scheduling.

merge yamt-idlelwp branch. asked by core@. some ports still needs work.

from doc/BRANCHES:

idle lwp, and some changes depending on it.

1. separate context switching and thread scheduling.
(cf. gmcgarry_ctxsw)
2. implement idle lwp.
3. clean up related MD/MI interfaces.
4. make scheduler(s) modular.

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Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.

TRUE -> true, FALSE -> false