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dtc: Plugin and fixup support

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This patch enable the generation of symbols & local fixup information
for trees compiled with the -@ (--symbols) option.

Using this patch labels in the tree and their users emit information
in __symbols__ and __local_fixups__ nodes.

The __fixups__ node make possible the dynamic resolution of phandle
references which are present in the plugin tree but lie in the
tree that are applying the overlay against.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Pantelis Antoniou 2016-12-07 14:48:18 +02:00 • committed by David Gibson
parent a2c92cac53
commit 20f29d8d41
9 changed files with 373 additions and 11 deletions
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2
flattree.c
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@ -942,5 +942,5 @@ struct boot_info *dt_from_blob(const char *fname)
fclose(f);
return build_boot_info(reservelist, tree, boot_cpuid_phys);
return build_boot_info(DTSF_V1, reservelist, tree, boot_cpuid_phys);
}