.B mkeficapsule
.RI [ options ] " " [ image-blob ] " " capsule-file
+.B mkeficapsule
+.RI guidgen " " [ GUID ] " " DTB " " IMAGE_NAME...
+
.SH "DESCRIPTION"
The
.B mkeficapsule
This type of image file can be generated by
.BR mkimage .
+mkeficapsule can also be used to simulate the dynamic GUID generation used to
+identify firmware images in capsule updates by providing the namespace guid, dtb
+for the board, and a list of firmware images.
+
.SH "OPTIONS"
.TP
.BI "-I\fR,\fB --instance " instance
Specify a hardware instance
+.PP
+FMP Payload Header is inserted right before the payload if
+.BR --fw-version
+is specified
+
+
+.TP
+.BI "-v\fR,\fB --fw-version " firmware-version
+Specify a firmware version, 0 if omitted
+
.PP
For generation of firmware accept empty capsule
.BR --guid
.BI "-o\fR,\fB --capoemflag "
Capsule OEM flag, value between 0x0000 to 0xffff
+.TP
+.BR -V ", " --version
+Print version information and exit.
+
.TP
.BR -h ", " --help
Print a help message
.B "-d\fR,\fB --dump_sig"
Dump signature data into *.p7 file
+.SH "GUIDGEN OPTIONS"
+
+.TP
+.B "[GUID]"
+The namespace/salt GUID, by default this is EFI_CAPSULE_NAMESPACE_GUID.
+The format is:
+ xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+
+.TP
+.B DTB
+The device tree blob file for the board.
+
+.TP
+.B IMAGE_NAME...
+The names of the firmware images to generate GUIDs for.
+
.PP
.SH FILES
.TP
.SH HOMEPAGE
-http://www.denx.de/wiki/U-Boot/WebHome
+http://www.u-boot.org/