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target-arm: VFPv4 implies half-precision extension

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VFPv4 implies the presence of the half-precision floating point
extension (which is optional in VFPv3). Add this implied rule
to arm_cpu_realizefn() and remove some no-longer-needed explicit
setting of the bit in initfns.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1401458125-27977-5-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2014-06-09 15:43:25 +01:00
parent 25f748e37a
commit da5141fc45
2 changed files with 1 additions and 4 deletions
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3
target-arm/cpu.c
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@ -348,6 +348,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
}
if (arm_feature(env, ARM_FEATURE_VFP4)) {
set_feature(env, ARM_FEATURE_VFP3);
set_feature(env, ARM_FEATURE_VFP_FP16);
}
if (arm_feature(env, ARM_FEATURE_VFP3)) {
set_feature(env, ARM_FEATURE_VFP);
@ -744,7 +745,6 @@ static void cortex_a15_initfn(Object *obj)
cpu->dtb_compatible = "arm,cortex-a15";
set_feature(&cpu->env, ARM_FEATURE_V7);
set_feature(&cpu->env, ARM_FEATURE_VFP4);
set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
set_feature(&cpu->env, ARM_FEATURE_NEON);
set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
set_feature(&cpu->env, ARM_FEATURE_ARM_DIV);
@ -953,7 +953,6 @@ static void arm_any_initfn(Object *obj)
ARMCPU *cpu = ARM_CPU(obj);
set_feature(&cpu->env, ARM_FEATURE_V8);
set_feature(&cpu->env, ARM_FEATURE_VFP4);
set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
set_feature(&cpu->env, ARM_FEATURE_NEON);
set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
set_feature(&cpu->env, ARM_FEATURE_V8_AES);

2
target-arm/cpu64.c
View File

@ -93,7 +93,6 @@ static void aarch64_a57_initfn(Object *obj)
set_feature(&cpu->env, ARM_FEATURE_V8);
set_feature(&cpu->env, ARM_FEATURE_VFP4);
set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
set_feature(&cpu->env, ARM_FEATURE_NEON);
set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
set_feature(&cpu->env, ARM_FEATURE_AARCH64);
@ -143,7 +142,6 @@ static void aarch64_any_initfn(Object *obj)
set_feature(&cpu->env, ARM_FEATURE_V8);
set_feature(&cpu->env, ARM_FEATURE_VFP4);
set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
set_feature(&cpu->env, ARM_FEATURE_NEON);
set_feature(&cpu->env, ARM_FEATURE_AARCH64);
set_feature(&cpu->env, ARM_FEATURE_V8_AES);