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We do not need to align the start of read only rootfs's to erase blocks.
This allows us to write the squashfs rootfs directly behind the kernel,
potentially freeing up one erase block.
We still need to align for jffs2, so add a flag for imagetag to
optionally align the rootfs start.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44556 3c298f89-4303-0410-b956-a3cf2f4a3e73
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Allow images to be padded to a certain size. This prevents CFE from
flashing them to the second image offset.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31875 3c298f89-4303-0410-b956-a3cf2f4a3e73
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Dual image capable CFEs store an image sequence at the same place as
currently OpenWrt stores the actual rootfs length, so it will get
overwritten when flashing through such a CFE.
To prevent this from happening, move the rootfs length field to the next
four bytes, thus completely using the reserved1 field.
Since the reserved1 field is now completely in use, it does not make sense
to allow it to be set from the imagetag utility, so remove the option.
Signed-off-by: Jonas Gorski <jonas.gorski+openwrt@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26680 3c298f89-4303-0410-b956-a3cf2f4a3e73
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writing tool.
* Rewrote commandline parsing code using gengetopt
- We now get long options
- We have more options including use of the info section for
board information (e.g. to add the same boardid but
different GPIOs on different routers)
* Added back the ability to write stock images (this is useful, for example,
when copying the firmware from the in-memory flash, and then being
able to create an image that will let you revert to/test stock firmware
* Fixed copying of CRCs to use memcpy instead of strncpy (strncpy stops at 0)
* Added ability to use all sections of the imagetag, including custom magic
signatures (e.g. for the Telsey router I'm adding soon), info sections,
and reserved sections
* Added putting the router type (as defined in the image generating Makefile)
into the info1 section and the filesystem type in the info2 section.
This will be used by mtd (when I add the code) to return the name of
image used to flash this router. (As requested by Jo, as well as being
useful for same boardid different board scenario described above).
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24011 3c298f89-4303-0410-b956-a3cf2f4a3e73
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