@@ -413,6 +413,19 @@ int file_cbfs_find_uncached(ulong end_of_rom, const char *name,
return find_uncached(&priv, name, start, node);
}
+int file_cbfs_find_uncached_base(ulong base, const char *name,
+ struct cbfs_cachenode *node)
+{
+ struct cbfs_priv priv;
+ int ret;
+
+ ret = cbfs_load_header_ptr(&priv, base);
+ if (ret)
+ return ret;
+
+ return find_uncached(&priv, name, (void *)base, node);
+}
+
const char *file_cbfs_name(const struct cbfs_cachenode *file)
{
cbfs_s.result = CBFS_SUCCESS;
@@ -174,6 +174,20 @@ int cbfs_init_mem(ulong base, ulong size, struct cbfs_priv **privp);
int file_cbfs_find_uncached(ulong end_of_rom, const char *name,
struct cbfs_cachenode *node);
+/**
+ * file_cbfs_find_uncached_base() - Find a file in CBFS given the base address
+ *
+ * Note that @node should be declared by the caller. This design is to avoid
+ * the need for allocation here.
+ *
+ * @base: Points to the base of the CBFS
+ * @name: The name to search for
+ * @node: Returns the contents of the node if found (i.e. copied into *node)
+ * @return 0 on success, -ENOENT if not found, -EFAULT on bad header
+ */
+int file_cbfs_find_uncached_base(ulong base, const char *name,
+ struct cbfs_cachenode *node);
+
/**
* file_cbfs_name() - Get the name of a file in CBFS.
*
Currently we support reading a file from CBFS given the address of the end of the ROM. Sometimes we only know the start of the CBFS. Add a function to find a file given that. Signed-off-by: Simon Glass <sjg at chromium.org> --- Changes in v3: None Changes in v2: - Use void * instead of u8 * in file_cbfs_find_uncached_base() - Fix and expand comments in file_cbfs_find_uncached_base() fs/cbfs/cbfs.c | 13 +++++++++++++ include/cbfs.h | 14 ++++++++++++++ 2 files changed, 27 insertions(+)