[Qemu-arm] [PATCH 07/11] target-arm: Add Hyp mode checks to bad_mode_switch()

[Peter Maydell]

We don't actually support Hyp mode yet, but add the correct
checks for it to the bad_mode_switch() function for completeness.

Signed-off-by: Peter Maydell <address@hidden>
---
 target-arm/helper.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/target-arm/helper.c b/target-arm/helper.c
index 37b5439..4074b97 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -5184,6 +5184,9 @@ static int bad_mode_switch(CPUARMState *env, int mode)
          * allows FIQ mode to be Secure-only. (In v8 this doesn't exist.)
          */
         return 0;
+    case ARM_CPU_MODE_HYP:
+        return !arm_feature(env, ARM_FEATURE_EL2)
+            || arm_current_el(env) < 2 || arm_is_secure(env);
     case ARM_CPU_MODE_MON:
         return !arm_is_secure(env);
     default:
-- 
1.9.1