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Add PV-GRUB
This fetches GRUB1 sources, applies the {graphical, print function,
save default, and ext3_256byte} patches from debian, and applies a
patch to make it work on x86_64 and port it to Mini-OS. By using
libxc, PV-GRUB can then "kexec" the loaded kernel from inside the
domain itself, hence permitting to avoid the security-concerned
pygrub.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
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Keir Fraser committed
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@@ -0,0 +1,80 @@
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2006-01-05 Otavio Salvador <otavio@debian.org>
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* Rediff.
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2005-16-10 Samuel Thibault <samuel.thibault@ens-lyon.org>
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* docs/grub.texi: Added print command description.
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* stage2/builtins.c(print_func): New function.
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(builtin_print): New variable.
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(builtin_table): Added builtin_print in table.
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Debian Status Following:
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Added by: Otavio Salvador
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Date: 2006-01-05
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diff -Nur grub-0.97-bkp/docs/grub.texi grub-0.97/docs/grub.texi
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--- grub-0.97-bkp/docs/grub.texi 2006-01-05 10:59:05.564347912 -0200
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+++ grub-0.97/docs/grub.texi 2006-01-05 11:18:59.033912960 -0200
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@@ -2685,6 +2685,7 @@
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* module:: Load a module
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* modulenounzip:: Load a module without decompression
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* pause:: Wait for a key press
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+* print:: Print a message
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* quit:: Exit from the grub shell
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* reboot:: Reboot your computer
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* read:: Read data from memory
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@@ -3091,6 +3092,16 @@
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@end deffn
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+@node print
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+@subsection print
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+
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+@deffn Command print message @dots{}
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+Print the @var{message}. Note that placing @key{^G} (ASCII code 7) in the
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+message will cause the speaker to emit the standard beep sound, which is
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+useful for visually impaired people.
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+@end deffn
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+
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+
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@node quit
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@subsection quit
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diff -Nur grub-0.97-bkp/stage2/builtins.c grub-0.97/stage2/builtins.c
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--- grub-0.97-bkp/stage2/builtins.c 2006-01-05 10:59:05.550350040 -0200
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+++ grub-0.97/stage2/builtins.c 2006-01-05 11:19:28.422445224 -0200
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@@ -2323,6 +2323,25 @@
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"Probe I/O ports used for the drive DRIVE."
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};
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+/* print */
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+static int
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+print_func (char *arg, int flags)
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+{
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+ printf("%s\n", arg);
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+
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+ return 0;
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+}
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+
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+static struct builtin builtin_print =
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+{
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+ "print",
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+ print_func,
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+ BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_NO_ECHO,
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+ "print [MESSAGE ...]",
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+ "Print MESSAGE."
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+};
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+
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+
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/* kernel */
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static int
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@@ -4848,6 +4867,7 @@
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&builtin_parttype,
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&builtin_password,
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&builtin_pause,
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+ &builtin_print,
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#ifdef GRUB_UTIL
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&builtin_quit,
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#endif /* GRUB_UTIL */
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