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[Qemu-devel] [PATCH v3 12/16] target-arm: A64: Correct updates to FAR an


From: Edgar E. Iglesias
Subject: [Qemu-devel] [PATCH v3 12/16] target-arm: A64: Correct updates to FAR and ESR on exceptions
Date: Tue, 17 Jun 2014 18:45:42 +1000

From: "Edgar E. Iglesias" <address@hidden>

Not all exception types update both FAR and ESR.

Reviewed-by: Alex Bennée <address@hidden>
Reviewed-by: Greg Bellows <address@hidden>
Signed-off-by: Edgar E. Iglesias <address@hidden>
---
 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 4be0784..cf8ce1e 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;
-- 
1.8.3.2




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