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[PULL,13/20] target-arm: Log the target EL when taking exceptions

Message ID 1441731092-6513-14-git-send-email-peter.maydell@linaro.org
State New
Headers show

Commit Message

Peter Maydell Sept. 8, 2015, 4:51 p.m. UTC 
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>

Log the target EL when taking exceptions. This is useful when
debugging guest SW or QEMU itself while transitioning through
the various ELs.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1441311266-8644-2-git-send-email-edgar.iglesias@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target-arm/helper-a64.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/target-arm/helper-a64.c b/target-arm/helper-a64.c
index 02fc9b4..2c7a645 100644
--- a/target-arm/helper-a64.c
+++ b/target-arm/helper-a64.c
@@ -478,7 +478,8 @@  void aarch64_cpu_do_interrupt(CPUState *cs)
     }
 
     arm_log_exception(cs->exception_index);
-    qemu_log_mask(CPU_LOG_INT, "...from EL%d\n", arm_current_el(env));
+    qemu_log_mask(CPU_LOG_INT, "...from EL%d to EL%d\n", arm_current_el(env),
+                  new_el);
     if (qemu_loglevel_mask(CPU_LOG_INT)
         && !excp_is_internal(cs->exception_index)) {
         qemu_log_mask(CPU_LOG_INT, "...with ESR 0x%" PRIx32 "\n",