From 317d68e9de0309fe5c53a4f08abc4723a8db9544 Mon Sep 17 00:00:00 2001
From: Alexei Fedorov <Alexei.Fedorov@arm.com>
Date: Mon, 18 Mar 2019 15:59:34 +0000
Subject: [PATCH] Restore PAuth context in case of unknown SMC call

Change-Id: I8fb346743b7afddbb8bf5908db4f27ee5a26f99b
Signed-off-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
---
 bl31/aarch64/runtime_exceptions.S | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/bl31/aarch64/runtime_exceptions.S b/bl31/aarch64/runtime_exceptions.S
index aa9d0079b..c29517683 100644
--- a/bl31/aarch64/runtime_exceptions.S
+++ b/bl31/aarch64/runtime_exceptions.S
@@ -419,6 +419,9 @@ smc_unknown:
 	 */
 	mov	x0, #SMC_UNK
 	str	x0, [sp, #CTX_GPREGS_OFFSET + CTX_GPREG_X0]
+#if CTX_INCLUDE_PAUTH_REGS
+	bl	pauth_context_save
+#endif
 	b	restore_gp_registers_eret
 
 smc_prohibited: