diff options
| author | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-12-19 13:18:36 +0000 |
|---|---|---|
| committer | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-12-19 13:18:36 +0000 |
| commit | fe1479c3ad177df09d465338d5421a5f3b857f91 (patch) | |
| tree | 1a3590f933711af10f332c0e950dc4ea319ffa3d /target-arm/helper.c | |
| parent | 644ad8066d171f5e0ce58912f72e1f13d55f4a93 (diff) | |
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
Diffstat (limited to 'target-arm/helper.c')
| -rw-r--r-- | target-arm/helper.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 8d98ca37c0..6d95303a12 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -88,6 +88,7 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) 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 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id) 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 @@ uint32_t HELPER(rsqrte_u32)(uint32_t a, CPUState *env) 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); + } +} |