> -----Original Message-----
> From: Alexander Graf [mailto:ag...@suse.de]
> Sent: Friday, April 19, 2013 5:44 PM
> To: Tiejun Chen
> Cc: k...@vger.kernel.org mailing list; kvm-ppc@vger.kernel.org; Bhushan
> Bharat-
> R65777
> Subject: Re: [PATCH] KVM/PPC: emulate ehpriv
>
>
> On 19.04.2013, at 04:44, Tiejun Chen wrote:
>
> > We can provide this emulation to simplify more extension later.
>
> Works for me, but this should really be part of a series that makes use of
> ehpriv.
Alex, this already planned to be in my debug patches. I know you are busy and I
am just waiting for other patches to be reviewed :)
-Bharat
>
>
> Alex
>
> >
> > Signed-off-by: Tiejun Chen <tiejun.c...@windriver.com>
> > ---
> > arch/powerpc/include/asm/disassemble.h | 4 ++++
> > arch/powerpc/kvm/e500_emulate.c | 17 +++++++++++++++++
> > 2 files changed, 21 insertions(+)
> >
> > diff --git a/arch/powerpc/include/asm/disassemble.h
> > b/arch/powerpc/include/asm/disassemble.h
> > index 9b198d1..856f8de 100644
> > --- a/arch/powerpc/include/asm/disassemble.h
> > +++ b/arch/powerpc/include/asm/disassemble.h
> > @@ -77,4 +77,8 @@ static inline unsigned int get_d(u32 inst)
> > return inst & 0xffff;
> > }
> >
> > +static inline unsigned int get_oc(u32 inst) {
> > + return (inst >> 11) & 0x7fff;
> > +}
> > #endif /* __ASM_PPC_DISASSEMBLE_H__ */ diff --git
> > a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c
> > index e78f353..36492cf 100644
> > --- a/arch/powerpc/kvm/e500_emulate.c
> > +++ b/arch/powerpc/kvm/e500_emulate.c
> > @@ -26,6 +26,7 @@
> > #define XOP_TLBRE 946
> > #define XOP_TLBWE 978
> > #define XOP_TLBILX 18
> > +#define XOP_EHPRIV 270
> >
> > #ifdef CONFIG_KVM_E500MC
> > static int dbell2prio(ulong param)
> > @@ -80,6 +81,18 @@ static int kvmppc_e500_emul_msgsnd(struct kvm_vcpu
> > *vcpu, int rb)
> >
> > return EMULATE_DONE;
> > }
> > +
> > +static int kvmppc_e500_emul_ehpriv(struct kvm_run *run, struct kvm_vcpu
> *vcpu,
> > + unsigned int inst)
> > +{
> > + int emulated = EMULATE_DONE;
> > +
> > + switch (get_oc(inst)) {
> > + default:
> > + emulated = EMULATE_FAIL;
> > + }
> > + return emulated;
> > +}
> > #endif
> >
> > int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
> > @@ -130,6 +143,10 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct
> kvm_vcpu *vcpu,
> > emulated = kvmppc_e500_emul_tlbivax(vcpu, ea);
> > break;
> >
> > + case XOP_EHPRIV:
> > + emulated = kvmppc_e500_emul_ehpriv(run, vcpu, inst);
> > + break;
> > +
> > default:
> > emulated = EMULATE_FAIL;
> > }
> > --
> > 1.7.9.5
> >
>
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