Set correct stack pointer.
Please handle %r0 with care.
Added missing mutex_exit() at error path.
Pass ci->ci_cpuid as irq of IST_IPI.
Avoid "panic: e500_intr_cpu_hatch: failed to establish ipi interrupt!" on cpu1.
Increase timeout for the hatching to complete.

> cpu1: hatch successful (24321 spins, timebase adjusted by -940718014)
Do probe cpu cache on !cpu0.
Avoid "panic: kernel diagnostic assertion "line_size > 0" failed: file "/usr/src/sys/arch/powerpc/booke/booke_cache.c", line 90".
Initialize pmap->pm_active and pmap->pm_onproc.
Avoid "panic: kernel diagnostic assertion "!pmap_tlb_intersecting_onproc_p(pm, ti)" failed: file "/usr/src/sys/uvm/pmap/pmap_tlb.c", line 762".
do page recolor.
Add audio support for VAXstation VLC, 60 and 90 machines. Originally rom
Blaz Antonic and ported from OpenBSD by BjÃ¶rn Johannesso. Tested on VLC
and 4000/60.
- Explain what's going on a bit better
- Fix a conditional
- Don't include bsd.lib.mk if we are not building libraries
  (otherwise we end up with an empty library name that installed
   bogus library files lib.a etc.)
fix sets.
we need to handle make includes