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target-arm: Infer Thumb2 feature from ARMv7

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V7 => THUMB2

Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Andreas Färber 2011-12-13 18:19:24 +00:00 committed by Peter Maydell
parent 10e8770274
commit b3faf5f02e
1 changed files with 1 additions and 4 deletions
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5
target-arm/helper.c
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@ -121,7 +121,6 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id)
break;
case ARM_CPUID_CORTEXA8:
set_feature(env, ARM_FEATURE_V7);
set_feature(env, ARM_FEATURE_THUMB2);
set_feature(env, ARM_FEATURE_VFP);
set_feature(env, ARM_FEATURE_VFP3);
set_feature(env, ARM_FEATURE_NEON);
@ -140,7 +139,6 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id)
break;
case ARM_CPUID_CORTEXA9:
set_feature(env, ARM_FEATURE_V7);
set_feature(env, ARM_FEATURE_THUMB2);
set_feature(env, ARM_FEATURE_VFP);
set_feature(env, ARM_FEATURE_VFP3);
set_feature(env, ARM_FEATURE_VFP_FP16);
@ -163,14 +161,12 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id)
env->cp15.c1_sys = 0x00c50078;
break;
case ARM_CPUID_CORTEXM3:
set_feature(env, ARM_FEATURE_THUMB2);
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);
set_feature(env, ARM_FEATURE_THUMB2);
set_feature(env, ARM_FEATURE_VFP);
set_feature(env, ARM_FEATURE_VFP3);
set_feature(env, ARM_FEATURE_VFP4);
@ -228,6 +224,7 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id)
/* Some features automatically imply others: */
if (arm_feature(env, ARM_FEATURE_V7)) {
set_feature(env, ARM_FEATURE_VAPA);
set_feature(env, ARM_FEATURE_THUMB2);
if (!arm_feature(env, ARM_FEATURE_M)) {
set_feature(env, ARM_FEATURE_V6K);
} else {