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scripts: gen_defines: zephyr,linker-region unique

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Add checks to ensure that `zephyr,linker-region` property values are
always globally unique.

Signed-off-by: Jordan Yates <jordan.yates@data61.csiro.au>
This commit is contained in:
Jordan Yates 2021-07-28 20:01:16 +10:00 • committed by Carles Cufí
commit 9c98d4f2b7
1 changed files with 10 additions and 0 deletions
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10
scripts/dts/gen_defines.py
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@ -107,6 +107,16 @@ def main():
for node in sorted(edt.nodes, key=lambda node: node.dep_ordinal):
node.z_path_id = node_z_path_id(node)
# Check to see if we have duplicate "zephyr,memory-region" property values.
regions = dict()
for node in sorted(edt.nodes, key=lambda node: node.dep_ordinal):
if 'zephyr,memory-region' in node.props:
region = node.props['zephyr,memory-region'].val
if region in regions:
sys.exit(f"ERROR: Duplicate 'zephyr,memory-region' ({region}) properties "
f"between {regions[region].path} and {node.path}")
regions[region] = node
for node in sorted(edt.nodes, key=lambda node: node.dep_ordinal):
write_node_comment(node)