From fcc379674201ea8eb23b2cfc9bf22d7d0925f65c Mon Sep 17 00:00:00 2001
From: Ciro Santilli <ciro.santilli@arm.com>
Date: Thu, 11 Oct 2018 00:00:00 +0000
Subject: arm: treat aarch64 hints as NOPs instead of panic

Change-Id: Ida2a746e6188171bd2e4da92a4efb33fcbaa2b69
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/13476
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
---
 src/arch/arm/isa/formats/aarch64.isa | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/arch/arm/isa/formats/aarch64.isa b/src/arch/arm/isa/formats/aarch64.isa
index cd106abd4..26c65ec8f 100644
--- a/src/arch/arm/isa/formats/aarch64.isa
+++ b/src/arch/arm/isa/formats/aarch64.isa
@@ -369,7 +369,8 @@ namespace Aarch64
                             }
                             break;
                         }
-                        return new Unknown64(machInst);
+                        return new WarnUnimplemented(
+                                "unallocated_hint", machInst);
                     } else if (crn == 0x3 && op1 == 0x3) {
                         switch (op2) {
                           case 0x2:
-- 
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