qti: Add RNG driver
This patch adds RNG driver and use it to generate random number for stack
protection.
Change-Id: I73d79e68d08b5aa902dc7fad48e17a03f996178d
Signed-off-by: Saurabh Gorecha <sgorecha@codeaurora.org>
diff --git a/plat/qti/common/src/qti_stack_protector.c b/plat/qti/common/src/qti_stack_protector.c
index b2dbfb0..572830f 100644
--- a/plat/qti/common/src/qti_stack_protector.c
+++ b/plat/qti/common/src/qti_stack_protector.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -9,16 +9,18 @@
#include <platform.h>
#include <platform_def.h>
+#include <qti_rng.h>
#include <qtiseclib_interface.h>
u_register_t plat_get_stack_protector_canary(void)
{
u_register_t random = 0x0;
- /* get random data , the below API doesn't return random = 0 in success
- * case */
- qtiseclib_prng_get_data((uint8_t *) &random, sizeof(random));
- assert(0x0 != random);
+ /*
+ * get random data , the below API doesn't return random = 0 on success
+ */
+ qti_rng_get_data((uint8_t *) &random, sizeof(random));
+ assert(random != 0x0);
return random;
}