netbsd32_ptrace: Need to pre-allocate dbregs before read/write.
Followup for:
PR kern/60658: netbsd32_process_read_dbregs() needs the same fix as
native amd64 process_read_dbregs()
Check if RTC is disabled only in virtualized environments.
On a real PC, bits 0-5 may be used for the date alarm function,
causing RTC failure to attach and
a "WARNING: no TOD clock present" warning in the boot log.
Verified no regression on QEMU/MICROVM by imil@
PR kern/60672
Remove the global __do_color_init, this is now obsolete. It was used
to force the terminal to be updated with the default colours because
the older colour code could not distinguish between default colours and
no colours. Now this is fixed so the forcing is no longer required.