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uImage supports different types of payloads, including kernel,
ramdisks etc. uImage_probe() as of now checks whether the supplied
payload is of type KERNEL ( i.e, IH_TYPE_KERNEL or IH_TYPE_KERNEL_NOLOAD ).
Change this behaviour to return the image type, if it is one of the supported
payloads. This change is in prepartion to support ramdisks in uImage format.
Introduce a uImage_probe_kernel() which can be used by the archs to check if
the supplied payload is one of the KERNEL types.
Signed-off-by: Suzuki K. Poulose <suzuki@in.ibm.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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The now generic probe function is more complete than the currently used.
It seems that ARM's and SH's uImage are always uncompressed so it might
be good to check for this.
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Marc Andre Tanner <mat@brain-dump.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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This is a completely generic header for uImage support and has no
place being hidden away in an architecture directory. Move it up
to the top-level include so that other architectures can trivially
tie in uImage support, too.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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uImages are basically just zImages with a special header,
we therefore just skip the header and let the normal zImage
infrastructure do the actual work.
Signed-off-by: Marc Andre Tanner <mat@brain-dump.org>
Signed-off-by: Simon Horman <horms@verge.net.au>
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