target-arm: Infer Thumb division feature from M profile

M => THUMB_DIV

Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target-arm/helper.c b/target-arm/helper.c
index 281b3151e9fb6f28d1e52ebb9b63f6a5913d5ecc..a566aa3ec97dbb0a80e4061e7f644b0d07ede472 100644 (file)
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -163,7 +163,6 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id)
     case ARM_CPUID_CORTEXM3:
         set_feature(env, ARM_FEATURE_V7);
         set_feature(env, ARM_FEATURE_M);
-        set_feature(env, ARM_FEATURE_THUMB_DIV);
         break;
     case ARM_CPUID_ANY: /* For userspace emulation.  */
         set_feature(env, ARM_FEATURE_V7);
@@ -243,6 +242,9 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id)
     if (arm_feature(env, ARM_FEATURE_V5)) {
         set_feature(env, ARM_FEATURE_V4T);
     }
+    if (arm_feature(env, ARM_FEATURE_M)) {
+        set_feature(env, ARM_FEATURE_THUMB_DIV);
+    }
     if (arm_feature(env, ARM_FEATURE_ARM_DIV)) {
         set_feature(env, ARM_FEATURE_THUMB_DIV);
     }