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Adds HDIF_get_iarray() which retrieves and validates an internal array
header and HDIF_iarray_for_each() for walking the individual array
entries. This reduces the amount of get-then-check boilerplate that
we have with the existing HDIF_get_iarray_item() method for iterating
internal data arrays.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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Some fields just aren't populated on some systems.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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Currently these aren't sufficently obnoxious, so make them more so. HDAT
parse errors usually mean we won't be able to generate enough of a
device-tree to boot so we want to make this much more obvious.
Suggested-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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The HDAT has very fixed relationships between a parent and child
structures. When parsing the HDAT we always know what type of child
that we expect and we will error out if there is a mismatch between what
we get and what expect. This patch just prints out what we got in
addition to what we expected to help with debugging.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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Do the comparison in host endian rather than big endian to silence sparse
hdata/hdif.c:25:16: warning: restricted beint16_t degrades to integer
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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