David van Moolenbroek d91f738bd8 Kernel: export clock information on kernel page
Please note that this information is for use by system services only!
The clock facility is not ready to be used directly by userland, and
thus, this kernel page extension is NOT part of the userland ABI.

For service programmers' convenience, change the prototype of the
getticks(3) to return the uptime clock value directly, since the call
can no longer fail.

Correct the sys_times(2) reply message to use the right field type
for the boot time.

Restructure the kernel internals a bit so as to have all the clock
stuff closer together.

Change-Id: Ifc050b7bd253aecbe46e3bd7d7cc75bd86e45555
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This is my implementation of a new network task 
for the Minix kernel.  I did it initially to handle
a 3c501 board (Etherlink), but those board are so
unstable that it is not worth using them except for
learning how to implement a driver.  When I got a
3c509b board (Etherlink III) it was easier to
write the code to handle them.  

The Minix code in 'dp8390.c' is too specific for the
National chip set, so what I did was to remove as 
much as I needed of the code dependant from the chip
and produce a generic task that, I hope, will be able
to handle many more cards.

$Log$
Revision 1.1  2005/06/29 10:16:46  beng
Import of dpeth 3c501/3c509b/.. ethernet driver by
Giovanni Falzoni <fgalzoni@inwind.it>.

Revision 1.3  2004/04/14 12:49:07  lsodgf0
Changes for porting to Minix 2.0.4 run on BOCHS

Revision 1.2  2002/03/25 14:16:09  lsodgf0
The driver for the NEx000 has been rewritten to be
operational with the ACCTON 18xx (an NE1000 clone)
The I/O routines for 16 bit cards are still untested..

Revision 1.1  2002/02/09 09:35:09  lsodgf0
Initial revision
The package is not fully tested, i.e. I had only 3Com
boards (3c501, 3c503, 3c503/16 and 3c509b) and WD8003.
I got also a NE1000 clone but it was not fully
operational and I could not appreciate the results.
For this reason the changes done to the interface
to I/O for 8 and 16 bits are not tested.