Commit d39f3dec authored by Colin Watson's avatar Colin Watson

* docs/grub.texi (History): Expand to cover GRUB 2.

(Serial terminal): Refer to `terminal_input' and `terminal_output'
commands, not `terminal'.
(serial): Likewise.
(terminal_input): New section.
(terminal_output): New section.
(uppermem): New section (stub).
(Obtaining and Building GRUB): Refer to Bazaar, not Subversion.
parent 6ef0ddb4
2010-06-08 Colin Watson <cjwatson@ubuntu.com>
* docs/grub.texi (History): Expand to cover GRUB 2.
(Serial terminal): Refer to `terminal_input' and `terminal_output'
commands, not `terminal'.
(serial): Likewise.
(terminal_input): New section.
(terminal_output): New section.
(uppermem): New section (stub).
(Obtaining and Building GRUB): Refer to Bazaar, not Subversion.
2010-06-08 Colin Watson <cjwatson@ubuntu.com>
* docs/grub.texi (Security): Menu entries are unrestricted by
......
......@@ -174,6 +174,22 @@ official GNU package, and opened its development by making the latest
sources available via anonymous CVS. @xref{Obtaining and Building
GRUB}, for more information.
Over the next few years, GRUB was extended to meet many needs, but it
quickly became clear that its design was not keeping up with the extensions
being made to it, and we reached the point where it was very difficult to
make any further changes without breaking existing features. Around 2002,
Yoshinori K. Okuji started work on PUPA (Preliminary Universal Programming
Architecture for GNU GRUB), aiming to rewrite the core of GRUB to make it
cleaner, safer, more robust, and more powerful. PUPA was eventually renamed
to GRUB 2, and the original version of GRUB was renamed to GRUB Legacy.
Small amounts of maintenance continued to be done on GRUB Legacy, but the
last release (0.97) was made in 2005 and at the time of writing it seems
unlikely that there will be another.
By around 2007, GNU/Linux distributions started to use GRUB 2 to limited
extents, and by the end of 2009 multiple major distributions were installing
it by default.
@node Features
@section GRUB features
......@@ -1078,7 +1094,8 @@ you want to use COM2, you must specify @samp{--unit=1} instead. This
command accepts many other options, so please refer to @ref{serial},
for more details.
The command @command{terminal} (@pxref{terminal}) chooses which type of
The commands @command{terminal_input} (@pxref{terminal_input}) and
@command{terminal_output} (@pxref{terminal_output} choose which type of
terminal you want to use. In the case above, the terminal will be a
serial terminal, but you can also pass @code{console} to the command,
as @samp{terminal serial console}. In this case, a terminal in which
......@@ -1421,6 +1438,8 @@ Commands usable anywhere in the menu and in the command-line.
@menu
* serial:: Set up a serial device
* terminal_input:: Manage input terminals
* terminal_output:: Manage output terminals
* terminfo:: Define terminal type
@end menu
......@@ -1440,13 +1459,52 @@ bits and one stop bit. @var{parity} is one of @samp{no}, @samp{odd},
@samp{even} and defaults to @samp{no}.
The serial port is not used as a communication channel unless the
@command{terminal} command is used (@pxref{terminal}).
@command{terminal_input} or @command{terminal_output} command is used
(@pxref{terminal_input}, @pxref{terminal_output}).
This command is only available if GRUB is compiled with serial
support. See also @ref{Serial terminal}.
@end deffn
@node terminal_input
@subsection terminal_input
@deffn Command terminal_input [@option{--append}|@option{--remove}] @
[terminal1] [terminal2] @dots{}
List or select an input terminal.
With no arguments, list the active and available input terminals.
With @option{--append}, add the named terminals to the list of active input
terminals; any of these may be used to provide input to GRUB.
With @option{--remove}, remove the named terminals from the active list.
With no options but a list of terminal names, make only the listed terminal
names active.
@end deffn
@node terminal_output
@subsection terminal_output
@deffn Command terminal_output [@option{--append}|@option{--remove}] @
[terminal1] [terminal2] @dots{}
List or select an output terminal.
With no arguments, list the active and available output terminals.
With @option{--append}, add the named terminals to the list of active output
terminals; all of these will receive output from GRUB.
With @option{--remove}, remove the named terminals from the active list.
With no options but a list of terminal names, make only the listed terminal
names active.
@end deffn
@node terminfo
@subsection terminfo
......@@ -1499,6 +1557,7 @@ you forget a command, you can run the command @command{help}
* search:: Search devices by file, label, or UUID
* set:: Set an environment variable
* unset:: Unset an environment variable
* uppermem:: Set the upper memory size
@end menu
......@@ -1921,6 +1980,12 @@ Unset the environment variable @var{envvar}.
@end deffn
@node uppermem
@subsection uppermem
This command is not yet implemented for GRUB 2, although it is planned.
@node Security
@chapter Authentication and authorisation
......@@ -2190,8 +2255,9 @@ just do:
@end group
@end example
Also, the latest version is available from the SVN. See
@uref{http://savannah.gnu.org/svn/?group=grub} for more information.
Also, the latest version is available using Bazaar. See
@uref{http://www.gnu.org/software/grub/grub-download.en.html} for more
information.
@node Reporting bugs
@appendix Reporting bugs
......
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