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diff --git a/doc/mkimage.1 b/doc/mkimage.1 new file mode 100644 index 00000000000..7985f5abe18 --- /dev/null +++ b/doc/mkimage.1 @@ -0,0 +1,118 @@ +.TH MKIMAGE 1 "2010-05-16" + +.SH NAME +mkimage \- Generate image for U-Boot +.SH SYNOPSIS +.B mkimage +.RB [\fIoptions\fP] +.SH "DESCRIPTION" +The +.B mkimage +command is used to create images for use with the U-Boot boot loader. +Thes eimages can contain the linux kernel, device tree blob, root file +system image, firmware images etc., either separate or combined. + +.B mkimage +supports two different formats: + +The old, +.I legacy image +format concatenates the individual parts (for example, kernel image, +device tree blob and ramdisk image) and adds a 64 bytes header +containing information about target architecture, operating system, +image type, compression method, entry points, time stamp, checksums, +etc. + +The new, +.I FIT (Flattened Image Tree) format +allows for more flexibility in handling images of various and also +enhances integrity protection of images with stronger checksums. + +.SH "OPTIONS" + +.B List image information: + +.TP +.BI "\-l [" "uimage file name" "]" +mkimage lists the information contained in the header of an existing U-Boot image. + +.P +.B Create old legacy image: + +.TP +.BI "\-A [" "architecture" "]" +Set architecture. Pass -h as the architecture to see the list of supported architectures. + +.TP +.BI "\-O [" "os" "]" +Set operating system. bootm command of u-boot changes boot method by os type. +Pass -h as the OS to see the list of supported OS. + +.TP +.BI "\-T [" "image type" "]" +Set image type. +Pass -h as the image to see the list of supported image type. + +.TP +.BI "\-C [" "compression type" "]" +Set compression type. +Pass -h as the compression to see the list of supported compression type. + +.TP +.BI "\-a [" "load addess" "]" +Set load address with a hex number. + +.TP +.BI "\-e [" "entry point" "]" +Set entry point with a hex number. + +.TP +.BI "\-n [" "image name" "]" +Set image name to 'image name'. + +.TP +.BI "\-d [" "image data file" "]" +Use image data from 'image data file'. + +.TP +.BI "\-x" +Set XIP (execute in place) flag. + +.P +.B Create FIT image: + +.TP +.BI "\-D "dtc option" +Provide special options to the device tree compiler that is used to +create the image. + +.TP +.BI "\-f "fit-image.its" +Image tree source fine that descbres the structure and contents of the +FIT image. + +.SH EXMAPLES + +List image information: +.nf +.B mkimage -l uImage +.fi +.P +Create legacy image with compressed PowerPC Linux kernel: +.nf +.B mkimage -A powerpc -O linux -T kernel -C gzip \\\\ +.br +.B -a 0 -e 0 -n Linux -d vmlinux.gz uImage +.fi +.P +Create FIT image with compressed PowerPC Linux kernel: +.nf +.B mkimage -f kernel.its kernel.itb +.fi + +.SH HOMEPAGE +http://www.denx.de/wiki/U-Boot/WebHome +.PP +.SH AUTHOR +This manual page was written by Nobuhiro Iwamatsu <iwamatsu@nigauri.org> +and Wolfgang Denk <wd@denx.de> |