Patchwork [v3,7/9] target-arm: Infer Thumb division feature from M profile

login
register
mail settings
Submitter Andreas Färber
Date Dec. 6, 2011, 12:30 a.m.
Message ID <1323131446-21864-8-git-send-email-andreas.faerber@web.de>
Download mbox | patch
Permalink /patch/129489/
State New
Headers show

Comments

Andreas Färber - Dec. 6, 2011, 12:30 a.m.
M => THUMB_DIV

Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Cc: Peter Maydell <peter.maydell@linaro.org>
---
 target-arm/helper.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

Patch

diff --git a/target-arm/helper.c b/target-arm/helper.c
index a0908ef..a4c3aa0 100644
--- 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);
     }