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Diffstat (limited to 'doc/mkimage.1')
| -rw-r--r-- | doc/mkimage.1 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/doc/mkimage.1 b/doc/mkimage.1 index 8185ff5647..f9c733a5e6 100644 --- a/doc/mkimage.1 +++ b/doc/mkimage.1 @@ -10,6 +10,9 @@ mkimage \- Generate image for U-Boot .RB [\fIoptions\fP] " \-f [" "image tree source file" "]" " [" "uimage file name" "]" .B mkimage +.RB [\fIoptions\fP] " \-F [" "uimage file name" "]" + +.B mkimage .RB [\fIoptions\fP] " (legacy mode)" .SH "DESCRIPTION" @@ -104,6 +107,13 @@ Image tree source file that describes the structure and contents of the FIT image. .TP +.BI "\-F" +Indicates that an existing FIT image should be modified. No dtc +compilation is performed and the -f flag should not be given. +This can be used to sign images with additional keys after initial image +creation. + +.TP .BI "\-k [" "key_directory" "]" Specifies the directory containing keys to use for signing. This directory should contain a private key file <name>.key for use with signing and a @@ -144,6 +154,16 @@ skipping those for which keys cannot be found. Also add a comment. -c "Kernel 3.8 image for production devices" kernel.itb .fi +.P +Update an existing FIT image, signing it with additional keys. +Add corresponding public keys into u-boot.dtb. This will resign all images +with keys that are available in the new directory. Images that request signing +with unavailable keys are skipped. +.nf +.B mkimage -F -k /secret/signing-keys -K u-boot.dtb \\\\ +-c "Kernel 3.8 image for production devices" kernel.itb +.fi + .SH HOMEPAGE http://www.denx.de/wiki/U-Boot/WebHome .PP |