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dtc: Allow multiple labels on nodes and properties

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At present, both the grammar and our internal data structures mean
that there can be only one label on a node or property.  This is a
fairly arbitrary constraint, given that any number of value labels can
appear at the same point, and that in C you can have any number of
labels on the same statement.

This is pretty much a non-issue now, but it may become important with
some of the extensions that Grant and I have in mind.  It's not that
hard to change, so this patch does so, allowing an arbitrary number of
labels on any given node or property.  As usual a testcase is added
too.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
David Gibson 2010-02-24 18:22:17 +11:00 • committed by Jon Loeliger
parent 49c2da3085
commit 05898c67c1
9 changed files with 157 additions and 89 deletions
Download patch file Download diff file Expand all files Collapse all files

15
treesource.c
View file

@ -235,10 +235,11 @@ static void write_tree_source_node(FILE *f, struct node *tree, int level)
{
struct property *prop;
struct node *child;
struct label *l;
write_prefix(f, level);
if (tree->label)
fprintf(f, "%s: ", tree->label);
for_each_label(tree->labels, l)
fprintf(f, "%s: ", l->label);
if (tree->name && (*tree->name))
fprintf(f, "%s {\n", tree->name);
else
@ -246,8 +247,8 @@ static void write_tree_source_node(FILE *f, struct node *tree, int level)
for_each_property(tree, prop) {
write_prefix(f, level+1);
if (prop->label)
fprintf(f, "%s: ", prop->label);
for_each_label(prop->labels, l)
fprintf(f, "%s: ", l->label);
fprintf(f, "%s", prop->name);
write_propval(f, prop);
}
@ -267,8 +268,10 @@ void dt_to_source(FILE *f, struct boot_info *bi)
fprintf(f, "/dts-v1/;\n\n");
for (re = bi->reservelist; re; re = re->next) {
if (re->label)
fprintf(f, "%s: ", re->label);
struct label *l;
for_each_label(re->labels, l)
fprintf(f, "%s: ", l->label);
fprintf(f, "/memreserve/\t0x%016llx 0x%016llx;\n",
(unsigned long long)re->re.address,
(unsigned long long)re->re.size);