diff mbox

[v1,12/16] target-arm: A64: Correct updates to FAR and ESR on exceptions

Message ID 1401434911-26992-13-git-send-email-edgar.iglesias@gmail.com
State New
Headers show

Commit Message

Edgar E. Iglesias May 30, 2014, 7:28 a.m. UTC 
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>

Not all exception types update both FAR and ESR.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---
 target-arm/helper-a64.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Comments

Alex Bennée June 3, 2014, 10:37 a.m. UTC | #1 
Edgar E. Iglesias writes:

> From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
>
> Not all exception types update both FAR and ESR.
>
> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
> ---
>  target-arm/helper-a64.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/target-arm/helper-a64.c b/target-arm/helper-a64.c
> index 7d94a74..c91005f 100644
> --- a/target-arm/helper-a64.c
> +++ b/target-arm/helper-a64.c
> @@ -466,18 +466,16 @@ void aarch64_cpu_do_interrupt(CPUState *cs)
>                        env->exception.syndrome);
>      }
>  
> -    env->cp15.esr_el[new_el] = env->exception.syndrome;
> -    env->cp15.far_el[new_el] = env->exception.vaddress;
> -
>      switch (cs->exception_index) {
>      case EXCP_PREFETCH_ABORT:
>      case EXCP_DATA_ABORT:
> +        env->cp15.far_el[new_el] = env->exception.vaddress;
>          qemu_log_mask(CPU_LOG_INT, "...with FAR 0x%" PRIx64 "\n",
>                        env->cp15.far_el[new_el]);
> -        break;
>      case EXCP_BKPT:
>      case EXCP_UDEF:
>      case EXCP_SWI:
> +        env->cp15.esr_el[new_el] = env->exception.syndrome;
>          break;
>      case EXCP_IRQ:
>          addr += 0x80;


Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
diff mbox

Patch

diff --git a/target-arm/helper-a64.c b/target-arm/helper-a64.c
index 7d94a74..c91005f 100644
--- a/target-arm/helper-a64.c
+++ b/target-arm/helper-a64.c
@@ -466,18 +466,16 @@  void aarch64_cpu_do_interrupt(CPUState *cs)
                       env->exception.syndrome);
     }
 
-    env->cp15.esr_el[new_el] = env->exception.syndrome;
-    env->cp15.far_el[new_el] = env->exception.vaddress;
-
     switch (cs->exception_index) {
     case EXCP_PREFETCH_ABORT:
     case EXCP_DATA_ABORT:
+        env->cp15.far_el[new_el] = env->exception.vaddress;
         qemu_log_mask(CPU_LOG_INT, "...with FAR 0x%" PRIx64 "\n",
                       env->cp15.far_el[new_el]);
-        break;
     case EXCP_BKPT:
     case EXCP_UDEF:
     case EXCP_SWI:
+        env->cp15.esr_el[new_el] = env->exception.syndrome;
         break;
     case EXCP_IRQ:
         addr += 0x80;