README

VirtualBox time synchronization driver for NetBSD
-------------------------------------------------

   The vboxtime driver periodically synchronize the kernel clock
   with the host.

Supported Platforms
-------------------

   Guest: NetBSD/{i386,amd64} 6.x and later
   Host: VirtualBox 4.x

Build and Install
-----------------

   Extract the NetBSD source code into /usr/src.

   Compile the vboxtime kernel module.  If the kernel source is not in
   the default location, specify the path with S=/path/to/src/sys
   parameter.
      % make

   Test.
      # modload ./vboxtime.kmod
      # modunload vboxtime

   Install the kernel module into /stand/machine/release/modules.
      # make install

   Install the manual page.
      # install -d /usr/local/man/man4
      # install -c -m 644 vboxtime.4 /usr/local/man/man4

   Add the following line to /boot.cfg.
      load=vboxtime

-- 
KAMADA Ken'ichi