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Marius Strobl 8c1093fc50 - Import the common MII bitbang'ing code from NetBSD and convert drivers to
take advantage of it instead of duplicating it. This reduces the size of
  the i386 GENERIC kernel by about 4k. The only potential in-tree user left
  unconverted is xe(4), which generally should be changed to use miibus(4)
  instead of implementing PHY handling on its own, as otherwise it makes not
  much sense to add a dependency on miibus(4)/mii_bitbang(4) to xe(4) just
  for the MII bitbang'ing code. The common MII bitbang'ing code also is
  useful in the embedded space for using GPIO pins to implement MII access.
- Based on lessons learnt with dc(4) (see r185750), add bus barriers to the
  MII bitbang read and write functions of the other drivers converted in
  order to ensure the intended ordering. Given that register access via an
  index register as well as register bank/window switching is subject to the
  same problem, also add bus barriers to the respective functions of smc(4),
  tl(4) and xl(4).
- Sprinkle some const.

Thanks to the following testers:
Andrew Bliznak (nge(4)), nwhitehorn@ (bm(4)), yongari@ (sis(4) and ste(4))
Thanks to Hans-Joerg Sirtl for supplying hardware to test stge(4).

Reviewed by:	yongari (subset of drivers)
Obtained from:	NetBSD (partially)
2011-11-01 16:13:59 +00:00
bin Put some static keywords in the source code. 2011-10-31 08:59:17 +00:00
cddl Fix a few gratuitous library dependencies. Some of the ZFS utilities 2011-10-30 16:29:04 +00:00
contrib MFV of r226974, tzdata2011n 2011-11-01 02:01:55 +00:00
crypto Add a -x option that causes ssh-agent(1) to exit when all clients have 2011-10-07 13:10:16 +00:00
etc Fix handling of rc_force in /etc/rc.d/dhclient 2011-10-28 06:03:38 +00:00
games Fix the text and attribution of the poem "Youth" by Samuel Ullman. 2011-10-29 06:33:12 +00:00
gnu * Don't give the impression that this compiler is GPLv3. 2011-10-24 20:52:41 +00:00
include People porting FreeBSD to new architectures ought not have to 2011-10-21 06:41:46 +00:00
kerberos5 - Add missing interdependencies to kerberos libraries. Some of the 2011-09-27 07:14:12 +00:00
lib Don't forget to kick the man page date. 2011-10-27 17:21:41 +00:00
libexec Fix a misplaced parenthesis. 2011-10-30 12:33:19 +00:00
release Missed file in r225937 (sysinstall removal). 2011-10-12 15:34:25 +00:00
rescue Finally... Import the latest open-source ZFS version - (SPA) 28. 2011-02-27 19:41:40 +00:00
sbin remove trailing whitespace... 2011-10-29 17:30:57 +00:00
secure - change "is is" to "is" or "it is" 2011-10-16 14:30:28 +00:00
share axe(4) got VLAN over-sized frame support. 2011-10-25 19:10:10 +00:00
sys - Import the common MII bitbang'ing code from NetBSD and convert drivers to 2011-11-01 16:13:59 +00:00
tools sh: Add test for exit status of for loop without items. 2011-10-28 23:02:21 +00:00
usr.bin Fix typo from r226927 2011-10-30 20:55:32 +00:00
usr.sbin Two bugs fixed: 2011-11-01 09:28:47 +00:00
COPYRIGHT Happy New Year 2011. 2010-12-31 18:07:16 +00:00
LOCKS
MAINTAINERS Farewall, sysinstall! You served us well for many years, but 10.0 is one 2011-10-03 15:13:09 +00:00
Makefile It's a bit odd, but "make update" in src/ can also update the ports/, 2011-06-16 12:28:37 +00:00
Makefile.inc1 Attempt to fix build logic for gensnmptree. 2011-10-26 07:49:47 +00:00
Makefile.mips Retire TARGET_ABI. 2011-01-07 20:26:33 +00:00
ObsoleteFiles.inc Now that its only consumer is gone (sysinstall), remove libftpio as well. 2011-10-03 20:49:02 +00:00
README Add the cddl/ directory. 2010-11-14 11:32:56 +00:00
UPDATING - change "is is" to "is" or "it is" 2011-10-16 14:30:28 +00:00

This is the top level of the FreeBSD source directory.  This file
was last revised on:
$FreeBSD$

For copyright information, please see the file COPYRIGHT in this
directory (additional copyright information also exists for some
sources in this tree - please see the specific source directories for
more information).

The Makefile in this directory supports a number of targets for
building components (or all) of the FreeBSD source tree, the most
commonly used one being ``world'', which rebuilds and installs
everything in the FreeBSD system from the source tree except the
kernel, the kernel-modules and the contents of /etc.  The ``world''
target should only be used in cases where the source tree has not
changed from the currently running version.  See:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html
for more information, including setting make(1) variables.

The ``buildkernel'' and ``installkernel'' targets build and install
the kernel and the modules (see below).  Please see the top of
the Makefile in this directory for more information on the
standard build targets and compile-time flags.

Building a kernel is a somewhat more involved process, documentation
for which can be found at:
   http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html
And in the config(8) man page.
Note: If you want to build and install the kernel with the
``buildkernel'' and ``installkernel'' targets, you might need to build
world before.  More information is available in the handbook.

The sample kernel configuration files reside in the sys/<arch>/conf
sub-directory (assuming that you've installed the kernel sources), the
file named GENERIC being the one used to build your initial installation
kernel.  The file NOTES contains entries and documentation for all possible
devices, not just those commonly used.  It is the successor of the ancient
LINT file, but in contrast to LINT, it is not buildable as a kernel but a
pure reference and documentation file.


Source Roadmap:
---------------
bin		System/user commands.

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

games		Amusements.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

sys		Kernel sources.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.


For information on synchronizing your source tree with one or more of
the FreeBSD Project's development branches, please see:

  http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/synching.html