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authorAndreas Färber <andreas.faerber@web.de>2011-12-13 18:19:24 +0000
committerPeter Maydell <peter.maydell@linaro.org>2011-12-13 18:19:24 +0000
commitbbc5c5fa177156299eca4dd7fceb04cb42035c14 (patch)
treecdb51a3acd7229dac7a0e65019ad30ed5bba234a /target-arm
parent6bf62124f5d1df1d654f5c8c764e1894d40b5922 (diff)
target-arm: Infer ARMv6(K) feature from ARMv7
V7 && M => V6 V7 && !M => V6K Signed-off-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm')
-rw-r--r--target-arm/helper.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c
index a948b8858..110815653 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -123,7 +123,6 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id)
env->cp15.c0_cachetype = 0x1dd20d2;
break;
case ARM_CPUID_CORTEXA8:
- set_feature(env, ARM_FEATURE_V6K);
set_feature(env, ARM_FEATURE_V7);
set_feature(env, ARM_FEATURE_AUXCR);
set_feature(env, ARM_FEATURE_THUMB2);
@@ -144,7 +143,6 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id)
env->cp15.c1_sys = 0x00c50078;
break;
case ARM_CPUID_CORTEXA9:
- set_feature(env, ARM_FEATURE_V6K);
set_feature(env, ARM_FEATURE_V7);
set_feature(env, ARM_FEATURE_AUXCR);
set_feature(env, ARM_FEATURE_THUMB2);
@@ -170,14 +168,12 @@ 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_V6);
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_V6K);
set_feature(env, ARM_FEATURE_V7);
set_feature(env, ARM_FEATURE_THUMB2);
set_feature(env, ARM_FEATURE_VFP);
@@ -237,6 +233,11 @@ 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);
+ if (!arm_feature(env, ARM_FEATURE_M)) {
+ set_feature(env, ARM_FEATURE_V6K);
+ } else {
+ set_feature(env, ARM_FEATURE_V6);
+ }
}
if (arm_feature(env, ARM_FEATURE_V6K)) {
set_feature(env, ARM_FEATURE_V6);