From fd2ac3058f7c1e2029ae404cd336b9f4f0a65101 Mon Sep 17 00:00:00 2001
From: Soren Brinkmann <soren.brinkmann@xilinx.com>
Date: Tue, 13 Feb 2018 22:36:38 -0500
Subject: [PATCH] target-arm: A64: Print ELR when taking exceptions

When taking an exception print the content of the exception link
register. This is useful especially for synchronous exceptions because
in that case this registers holds the address of the instruction that
generated the exception.

Backports commit b21ab1fc217b4a2b8f2f85d16bdd8510a7817a34 from qemu
---
 qemu/target-arm/helper-a64.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/qemu/target-arm/helper-a64.c b/qemu/target-arm/helper-a64.c
index 4006927b..eecedf90 100644
--- a/qemu/target-arm/helper-a64.c
+++ b/qemu/target-arm/helper-a64.c
@@ -589,6 +589,8 @@ void aarch64_cpu_do_interrupt(CPUState *cs)
 
         env->condexec_bits = 0;
     }
+    qemu_log_mask(CPU_LOG_INT, "...with ELR 0x%" PRIx64 "\n",
+                  env->elr_el[new_el]);
 
     pstate_write(env, PSTATE_DAIF | new_mode);
     env->aarch64 = 1;