| Message ID | 1340052146-1172-1-git-send-email-Varun.Sethi@freescale.com |
|---|---|
| State | New, archived |
| Headers | show |
On 06/18/2012 03:42 PM, Varun Sethi wrote: > Add support for std/ld emulation. > > Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com> > --- > arch/powerpc/kvm/emulate.c | 14 ++++++++++++++ > 1 files changed, 14 insertions(+), 0 deletions(-) > > diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c > index f90e86d..a04543a 100644 > --- a/arch/powerpc/kvm/emulate.c > +++ b/arch/powerpc/kvm/emulate.c > @@ -59,11 +59,13 @@ > #define OP_31_XOP_STHBRX 918 > > #define OP_LWZ 32 > +#define OP_LD 58 > #define OP_LWZU 33 > #define OP_LBZ 34 > #define OP_LBZU 35 > #define OP_STW 36 > #define OP_STWU 37 > +#define OP_STD 62 > #define OP_STB 38 > #define OP_STBU 39 > #define OP_LHZ 40 What about STDU, STDX, LWA, etc? If you're going to add some 64-bit load/store instructions, but not others of the same classes as are implemented for 32-bit, at least leave a comment pointing out what's missing. -Scott -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
> -----Original Message----- > From: Wood Scott-B07421 > Sent: Tuesday, June 19, 2012 2:19 AM > To: Sethi Varun-B16395 > Cc: kvm-ppc@vger.kernel.org > Subject: Re: [PATCH] KVM: PPC: bookehv64: Add support for std/ld > emulation. > > On 06/18/2012 03:42 PM, Varun Sethi wrote: > > Add support for std/ld emulation. > > > > Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com> > > --- > > arch/powerpc/kvm/emulate.c | 14 ++++++++++++++ > > 1 files changed, 14 insertions(+), 0 deletions(-) > > > > diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c > > index f90e86d..a04543a 100644 > > --- a/arch/powerpc/kvm/emulate.c > > +++ b/arch/powerpc/kvm/emulate.c > > @@ -59,11 +59,13 @@ > > #define OP_31_XOP_STHBRX 918 > > > > #define OP_LWZ 32 > > +#define OP_LD 58 > > #define OP_LWZU 33 > > #define OP_LBZ 34 > > #define OP_LBZU 35 > > #define OP_STW 36 > > #define OP_STWU 37 > > +#define OP_STD 62 > > #define OP_STB 38 > > #define OP_STBU 39 > > #define OP_LHZ 40 > > What about STDU, STDX, LWA, etc? If you're going to add some 64-bit > load/store instructions, but not others of the same classes as are > implemented for 32-bit, at least leave a comment pointing out what's > missing. There would be a separate patch for supporting those instructions. I will a "TBD" comment in the code. -Varun
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index f90e86d..a04543a 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -59,11 +59,13 @@ #define OP_31_XOP_STHBRX 918 #define OP_LWZ 32 +#define OP_LD 58 #define OP_LWZU 33 #define OP_LBZ 34 #define OP_LBZU 35 #define OP_STW 36 #define OP_STWU 37 +#define OP_STD 62 #define OP_STB 38 #define OP_STBU 39 #define OP_LHZ 40 @@ -392,6 +394,11 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1); break; + case OP_LD: + rt = get_rt(inst); + emulated = kvmppc_handle_load(run, vcpu, rt, 8, 1); + break; + case OP_LWZU: emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1); kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed); @@ -412,6 +419,13 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) 4, 1); break; + case OP_STD: + rs = get_rs(inst); + emulated = kvmppc_handle_store(run, vcpu, + kvmppc_get_gpr(vcpu, rs), + 8, 1); + break; + case OP_STWU: emulated = kvmppc_handle_store(run, vcpu, kvmppc_get_gpr(vcpu, rs),
Add support for std/ld emulation. Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com> --- arch/powerpc/kvm/emulate.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-)