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Add some doco on reverse and forward movement of the code.

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This commit is contained in:
Chris Johns 2016-05-04 15:59:16 +10:00
parent f478e3c6e5
commit 1e8c93c987
1 changed files with 26 additions and 1 deletions
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libbsd.txt
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@ -586,13 +586,23 @@ not changed unless the contents change. The script will also report the
number of files which changed. In verbose mode, the script will print
the name of the files which are changed.
To add or update files int the RTEMS FreeBSD tree first run the 'reverse mode'
and move the current set of patches FreeBSD. The script may warn you if a file
is not present at the destination for the direction. This can happen as files
not avaliable at the FreeBSD snapshot point have been specially added to the
RTEMS FreeBSD tree. Warnings can also appear if you have changed the list of
files in libbsd.py. The reverse mode will result in the FreeBSD having
uncommitted changes. You can ignore these. Once the reverse process has
finished edit libbsd.py and add any new files then run the forwad mode to bring
those files into the RTEMS FreeBSD tree.
The following is an example forward run with no changes.
----
$ ~/newbsd/git/libbsd-8.2/freebsd-to-rtems.py \
-r /home/joel/newbsd/git/libbsd-8.2 \
-f /home/joel/newbsd/libbsd/freebsd-8.2 -v
Verbose: yes
Verbose: yes (1)
Dry Run: no
Only Generate Makefile: no
RTEMS Directory: /home/joel/newbsd/git/libbsd-8.2
@ -605,6 +615,9 @@ Generating into /home/joel/newbsd/git/libbsd-8.2
The script may also be used to generate a diff in either forward or reverse
direction.
You can add more than one verbose option (-v) to the command line and get more
detail and debug level information from the command.
== Initialization of the BSD Library
The initialization of the BSD library is based on the FreeBSD SYSINIT(9)
@ -1114,6 +1127,18 @@ E1000 EM _bsd_em_pcimodule_sys_init Links
Cadence ? Links, works.
----
To add a NIC edit rtemsbsd/include/bsp/nexus-devices.h and add the driver
reference to the architecture and/or BSP. For example to add the RealTek driver
add:
SYSINIT_DRIVER_REFERENCE(re, pci);
and to add the MII PHY driver add:
SYSINIT_DRIVER_REFERENCE(rge, miibus);
The PC BSP has these entries.
Symbols (A)
pci_get_vpd_ident