On Sat, 14 Dec 2024 at 00:55, Raymond Mao raymond.mao@linaro.org wrote:
bloblist_find function only returns the pointer of blob data, which is fine for those self-describing data like FDT. But as a common scenario, an interface is needed to retrieve both the pointer and the size of the blob data.
Signed-off-by: Raymond Mao raymond.mao@linaro.org
common/bloblist.c | 17 +++++++++++++++-- include/bloblist.h | 18 ++++++++++++++++++ 2 files changed, 33 insertions(+), 2 deletions(-)
diff --git a/common/bloblist.c b/common/bloblist.c index ec6ff7a5a9..efc1905da3 100644 --- a/common/bloblist.c +++ b/common/bloblist.c @@ -222,14 +222,27 @@ static int bloblist_ensurerec(uint tag, struct bloblist_rec **recp, int size, }
void *bloblist_find(uint tag, int size) +{
void *blob = NULL;int blob_size;blob = bloblist_get_blob(tag, &blob_size);if (size && size != blob_size)return NULL;return blob;+}
+void *bloblist_get_blob(uint tag, int *size) { struct bloblist_rec *rec;
rec = bloblist_findrec(tag); if (!rec) return NULL;
if (size && size != rec->size)return NULL;
*size = rec->size; return (void *)rec + rec_hdr_size(rec);} diff --git a/include/bloblist.h b/include/bloblist.h index ff32d3fecf..a04c7c80be 100644 --- a/include/bloblist.h +++ b/include/bloblist.h @@ -250,6 +250,24 @@ static inline void *bloblist_check_magic(ulong addr) return ptr; }
+#if CONFIG_IS_ENABLED(BLOBLIST) +/**
- bloblist_get_blob() - Find a blob and get the size of it
- Searches the bloblist and returns the blob with the matching tag
- @tag: Tag to search for (enum bloblist_tag_t)
- @size: Size of the blob found
- Return: pointer to bloblist if found, or NULL if not found
- */
+void *bloblist_get_blob(uint tag, int *size); +#else +static inline void *bloblist_get_blob(uint tag, int *size) +{
return NULL;+} +#endif
/**
- bloblist_find() - Find a blob
-- 2.25.1
Reviewed-by: Ilias Apalodimas ilias.apalodimas@linaro.org