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authorVarun Sethi <Varun.Sethi@freescale.com>2012-06-18 14:14:55 +0200
committerAlexander Graf <agraf@suse.de>2012-07-11 17:39:36 +0200
commit6c5cb739298123567d030417e33df32f11b9ecb4 (patch)
tree29637e78379334a2107625ad8dc8fb6eb707b410 /arch/powerpc/kvm
parentbooke: Added crit/mc exception handler for e500v2 (diff)
downloadlinux-6c5cb739298123567d030417e33df32f11b9ecb4.tar.xz
linux-6c5cb739298123567d030417e33df32f11b9ecb4.zip
KVM: PPC: bookehv64: Add support for std/ld emulation.
Add support for std/ld emulation. Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm')
-rw-r--r--arch/powerpc/kvm/emulate.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index f90e86dea7a2..ee04abaefe23 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 +394,12 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1);
break;
+ /* TBD: Add support for other 64 bit load variants like ldu, ldux, ldx etc. */
+ 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 +420,14 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
4, 1);
break;
+ /* TBD: Add support for other 64 bit store variants like stdu, stdux, stdx etc. */
+ 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),