bootm: make verifying/hashing configurable

So long struct bootm_data.verify is a bool which enables CRC checking
(hashing). Extend this to a enum and add support for signature checking
in the same option. This also adds the corresponding globalvar and a
-s option to bootm.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 10 insertions, 2 deletions

diff --git a/include/boot.h b/include/boot.h
index 0c0febe48f..363a02af78 100644
--- a/include/boot.h
+++ b/include/boot.h
@@ -7,12 +7,18 @@
 #include <linux/list.h>
 #include <environment.h>
 
+enum bootm_verify {
+	BOOTM_VERIFY_NONE,
+	BOOTM_VERIFY_HASH,
+	BOOTM_VERIFY_SIGNATURE,
+};
+
 struct bootm_data {
 	const char *os_file;
 	const char *initrd_file;
 	const char *oftree_file;
 	int verbose;
-	bool verify;
+	enum bootm_verify verify;
 	bool force;
 	bool dryrun;
 	unsigned long initrd_address;
@@ -63,7 +69,7 @@ struct image_data {
 	struct fdt_header *oftree;
 	struct resource *oftree_res;
 
-	int verify;
+	enum bootm_verify verify;
 	int verbose;
 	int force;
 	int dryrun;
@@ -119,6 +125,8 @@ int bootm_load_initrd(struct image_data *data, unsigned long load_address);
 int bootm_load_devicetree(struct image_data *data, unsigned long load_address);
 int bootm_get_os_size(struct image_data *data);
 
+enum bootm_verify bootm_get_verify_mode(void);
+
 #define UIMAGE_SOME_ADDRESS (UIMAGE_INVALID_ADDRESS - 1)
 
 #endif /* __BOOT_H */