commit fe1479c3ad177df09d465338d5421a5f3b857f91
author pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> Fri Dec 19 13:18:36 2008 +0000
committer pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> Fri Dec 19 13:18:36 2008 +0000
tree 1a3590f933711af10f332c0e950dc4ea319ffa3d
parent 644ad8066d171f5e0ce58912f72e1f13d55f4a93

Implement (very) basic Thumb2-EE support.  This doesn't actually implement
EE state, just the associated system coprocessor registers.  It is sufficient
to keep OS setup and context switching code happy.

Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6104 c046a42c-6fe2-441c-8c8c-71466251a162

target-arm/helper.c

diff --git a/target-arm/helper.c b/target-arm/helper.c
index 8d98ca3..6d95303 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -88,6 +88,7 @@
         set_feature(env, ARM_FEATURE_VFP);
         set_feature(env, ARM_FEATURE_VFP3);
         set_feature(env, ARM_FEATURE_NEON);
+        set_feature(env, ARM_FEATURE_THUMB2EE);
         env->vfp.xregs[ARM_VFP_FPSID] = 0x410330c0;
         env->vfp.xregs[ARM_VFP_MVFR0] = 0x11110222;
         env->vfp.xregs[ARM_VFP_MVFR1] = 0x00011100;
@@ -110,6 +111,7 @@
         set_feature(env, ARM_FEATURE_VFP);
         set_feature(env, ARM_FEATURE_VFP3);
         set_feature(env, ARM_FEATURE_NEON);
+        set_feature(env, ARM_FEATURE_THUMB2EE);
         set_feature(env, ARM_FEATURE_DIV);
         break;
     case ARM_CPUID_TI915T:
@@ -2595,3 +2597,12 @@
     tmp = float32_scalbn(tmp, 31, s);
     return float32_to_int32(tmp, s);
 }
+
+void HELPER(set_teecr)(CPUState *env, uint32_t val)
+{
+    val &= 1;
+    if (env->teecr != val) {
+        env->teecr = val;
+        tb_flush(env);
+    }
+}