Am 14.04.2012 18:42, schrieb Peter Maydell:
> Move the setting of the feature bits from cpu_reset_model_id()
> to each CPU's instance init function. This requires us to move
> the features field in CPUARMState so that it is not cleared
> on reset.
>
> Signed-off-by: Peter Maydell <[email protected]>
> ---
[...]
> diff --git a/target-arm/cpu.c b/target-arm/cpu.c
> index 3565472..958f5c5 100644
> --- a/target-arm/cpu.c
> +++ b/target-arm/cpu.c
[...]
> static void pxa270c0_initfn(Object *obj)
> {
> ARMCPU *cpu = ARM_CPU(obj);
> + set_feature(&cpu->env, ARM_FEATURE_V5);
> + set_feature(&cpu->env, ARM_FEATURE_XSCALE);
> + set_feature(&cpu->env, ARM_FEATURE_IWMMXT);
> cpu->midr = ARM_CPUID_PXA270_C0;
> }
>
> static void pxa270c5_initfn(Object *obj)
> {
> ARMCPU *cpu = ARM_CPU(obj);
> + 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);
> + set_feature(&cpu->env, ARM_FEATURE_V7MP);
> cpu->midr = ARM_CPUID_PXA270_C5;
> }
Beep! Glad I took the time to compare each model... :)
Once this is fixed, Acked-by.
/-F
>
> static void arm_any_initfn(Object *obj)
> {
> ARMCPU *cpu = ARM_CPU(obj);
> + 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);
> + set_feature(&cpu->env, ARM_FEATURE_V7MP);
> cpu->midr = ARM_CPUID_ANY;
> }
>
[...]
> diff --git a/target-arm/helper.c b/target-arm/helper.c
> index afcd68c..e495de6 100644
> --- a/target-arm/helper.c
> +++ b/target-arm/helper.c
[...]
> @@ -220,17 +163,13 @@ static void cpu_reset_model_id(CPUARMState *env,
> uint32_t id)
> case ARM_CPUID_PXA270_B1:
> case ARM_CPUID_PXA270_C0:
> case ARM_CPUID_PXA270_C5:
> - set_feature(env, ARM_FEATURE_V5);
> - set_feature(env, ARM_FEATURE_XSCALE);
> /* JTAG_ID is ((id << 28) | 0x09265013) */
> - set_feature(env, ARM_FEATURE_IWMMXT);
> env->iwmmxt.cregs[ARM_IWMMXT_wCID] = 0x69051000 | 'Q';
> env->cp15.c0_cachetype = 0xd172172;
> env->cp15.c1_sys = 0x00000078;
> break;
> case ARM_CPUID_SA1100:
> case ARM_CPUID_SA1110:
> - set_feature(env, ARM_FEATURE_STRONGARM);
> env->cp15.c1_sys = 0x00000070;
> break;
> default:
--
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