From: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Date: Thu, 22 Nov 2018 10:26:22 +0000 (+0100)
Subject: riscv: hang on unhandled exceptions
X-Git-Tag: v2019.01-rc1~26^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c93a1c8185e64b9571df9f7fe2c33f26cd3c41d7;p=pandora-u-boot.git

riscv: hang on unhandled exceptions

Hang on unhandled exceptions to prevent execution in a faulty state.

Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
---

diff --git a/arch/riscv/lib/interrupts.c b/arch/riscv/lib/interrupts.c
index d0d8de500ee..903a1c4cd55 100644
--- a/arch/riscv/lib/interrupts.c
+++ b/arch/riscv/lib/interrupts.c
@@ -87,4 +87,6 @@ static void _exit_trap(ulong code, ulong epc, struct pt_regs *regs)
 	} else {
 		printf("Reserved\n");
 	}
+
+	hang();
 }