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Restore phandle references from __fixups__ node
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Browse source 
The __fixups__ node contains information about labels. Parse its
properties to create phandle markers which improve the resulting dts
when decompiling a device tree blob.

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Message-ID: <20250919092912.663304-14-u.kleine-koenig@baylibre.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Uwe Kleine-König 2025-09-19 11:29:19 +02:00 • committed by David Gibson
parent 05c524db44
commit a26ef6400b
4 changed files with 106 additions and 0 deletions
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3
dtc.h
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@ -342,6 +342,7 @@ void sort_tree(struct dt_info *dti);
void generate_labels_from_tree(struct dt_info *dti, const char *name);
void generate_label_tree(struct dt_info *dti, const char *name, bool allocph);
void generate_fixups_tree(struct dt_info *dti, const char *name);
void fixup_phandles(struct dt_info *dti, const char *name);
void generate_local_fixups_tree(struct dt_info *dti, const char *name);
void local_fixup_phandles(struct dt_info *dti, const char *name);
@ -359,6 +360,8 @@ struct dt_info *dt_from_blob(const char *fname);
/* Tree source */
void property_add_marker(struct property *prop,
enum markertype type, unsigned int offset, char *ref);
void add_phandle_marker(struct dt_info *dti, struct property *prop, unsigned int offset);
void dt_to_source(FILE *f, struct dt_info *dti);
struct dt_info *dt_from_source(const char *f);