abuf: Provide a way to get the buffer address
In many cases it is useful to get the address of a buffer, e.g. when
booting from it. Add a function to handle this.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/lib/abuf.c b/lib/abuf.c
index 937c3df..8156177 100644
--- a/lib/abuf.c
+++ b/lib/abuf.c
@@ -26,6 +26,12 @@
{
abuf_set(abuf, map_sysmem(addr, size), size);
}
+
+ulong abuf_addr(const struct abuf *abuf)
+{
+ return map_to_sysmem(abuf->data);
+}
+
#else
/* copied from lib/string.c for convenience */
static char *memdup(const void *src, size_t len)