[Qemu-devel] [PATCH 37/60] AArch64: Add hint instruction emulation

[Alexander Graf]

This patch adds handling for HINT instructions as noops.

Signed-off-by: Alexander Graf <address@hidden>
---
 target-arm/translate-a64.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c
index a2d5942..cbfc449 100644
--- a/target-arm/translate-a64.c
+++ b/target-arm/translate-a64.c
@@ -1838,6 +1838,8 @@ void disas_a64_insn(CPUARMState *env, DisasContext *s)
             handle_mrs(s, insn);
         } else if (get_bits(insn, 20, 12) == 0xd51) {
             handle_msr(s, insn);
+        } else if ((insn & 0xfffff01f) == 0xd503201f) {
+            /* HINT instructions, do nothing */
         } else {
             unallocated_encoding(s);
         }
-- 
1.7.12.4