platform: Add exit platform hook

Add a platform hook that is called just prior to loading
and running the payload.

Signed-off-by: Alistair Popple <alistair@popple.id.au>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/platform.h b/include/platform.h
index b1aef49..44e67ef 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -131,6 +131,11 @@ struct platform {
 	 */
 	bool		(*load_resource)(enum resource_id id,
 					 void *buf, size_t *len);
+
+	/*
+	 * Executed just prior to handing control over to the payload.
+	 */
+	void		(*exit)(void);
 };
 
 extern struct platform __platforms_start;