From bbc5c5fa177156299eca4dd7fceb04cb42035c14 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Andreas=20F=C3=A4rber?= Date: Tue, 13 Dec 2011 18:19:24 +0000 Subject: [PATCH] target-arm: Infer ARMv6(K) feature from ARMv7 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit V7 && M => V6 V7 && !M => V6K Signed-off-by: Andreas Färber Signed-off-by: Peter Maydell --- target-arm/helper.c | 9 +++++---- 1 file 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); -- 2.39.5