Initial commit of scheduler activations and lightweight process support.
Move undefined.c from sys/arch/{arm32/arm32,hpcarm/hpcarm} to sys/arch/arm/arm
in preparation for making it usable on arm26 as well.
User-level support for LWPs and scheduler activations.
SVR4-style ucontext code by Klaus Klein.
The beginnings of a scheduler activations-based pthread library.
Move arm32/arm32/ast.c to arm/arm32/ast.c
Document known weaknesses and areas that need work.
Sync with reality.  Add NetBSD tag.
Forgot this file, somehow.
Couple more things.
Expand bus_dma implementation. It will now handle the bounce buffer
extensions needed to make the isa floppy driver on the Milan work.
This file is no longer used.  PCMCIA driver code is divided into
sa11xx_pcic*, sa11x0_pcic* and sa11x1_pcic*.
These are no longer used.
ELF ABI requires address to be returned in A0.
add SH4 configuration.
(SH) don't access SCIF if the Windows CE's COM1 is not connected to SCIF.
Be more careful not to dereference curproc when there might not be
a process context.
struct proc *p is unused in !VM86 case.
LWPify.
Regen.
Use hpc/hpc/disksubr.c.
Migrate known-podules list from arch/arm32/podulebus to dev/podulebus.