Re: [PATCH v4 07/10] ARM: KVM: Emulation framework and CP15 emulation

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On 08/09/2011 02:34 PM, Christoffer Dall wrote:
>
>>  +
>>  +/**
>>  + * emulate_cp15_c15_access -- emulates cp15 accesses for CRn == 15
>>  + * @vcpu: The VCPU pointer
>>  + * @p:    The coprocessor parameters struct pointer holding trap inst. details
>>  + *
>>  + * The CP15 c15 register is implementation defined, but some guest kernels
>>  + * attempt to read/write a diagnostics register here. We always return 0 and
>>  + * ignore writes and hope for the best. This may need to be refined.
>>  + */
>>  +static int emulate_cp15_c15_access(struct kvm_vcpu *vcpu,
>>  +				   struct coproc_params *p)
>>  +{
>>  +	trace_kvm_emulate_cp15_imp(p->Op1, p->Rt1, p->CRn, p->CRm,
>>  +				   p->Op2, p->is_write);
>
>  _imp?

implementation defined co-processor 15 operations. Took me 10 minutes to dig out from memory, so, ok, this is not super informative or clear:) Will try to come up with something better or the right comment somewhere or something.


Ah, okay. It's not related to the kvm implementation, it's architecturally implementation defined.

--
error compiling committee.c: too many arguments to function

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