Signed-off-by: Glenn Washburn <developm...@efficientek.com>
---
docs/grub.texi | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/docs/grub.texi b/docs/grub.texi
index dae10621b99f..5f6f0895ef4f 100644
--- a/docs/grub.texi
+++ b/docs/grub.texi
@@ -4361,6 +4361,7 @@ you forget a command, you can run the command
@command{help}
* halt:: Shut down your computer
* hashsum:: Compute or check hash checksum
* help:: Show help messages
+* hexdump:: Show raw contents of a file or memory
* insmod:: Insert a module
* keystatus:: Check key modifier status
* list_env:: List variables in environment block
@@ -4979,6 +4980,20 @@ about each of the commands whose names begin with those
@var{patterns}.
@end deffn
+@node hexdump
+@subsection hexdump
+
+@deffn Command hexdump [--skip offset] [--length len] FILE_OR_DEVICE
+Show raw contents of a file or memory. When option @option{--skip} is given,
+@samp{offset} number of bytes are skipped from the start of the device or
+file given. And @option{--length} allows specifying a maximum number of bytes
+to be shown.
+
+If given the special device named @samp{(mem)}, then the @samp{offset} given to
+@option{--skip} is treated as the address of a memory location to dump from.
+@end deffn
+
+
@node insmod
@subsection insmod
@@ -6170,7 +6185,6 @@ GRUB shell may provide more information on parameters and
usage.
@item @command{gdbstub} - Start GDB stub on given port
@item @command{gdbstub_stop} - Stop GDB stub
@item @command{hdparm} - Get/set ATA disk parameters.
-@item @command{hexdump} - Show raw contents of a file or memory.
@item @command{hexdump_random} - Hexdump random data.
@item @command{inb} - Read 8-bit value from PORT.
@item @command{inl} - Read 32-bit value from PORT.
--
2.34.1
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