This patch adds emulation support for the or and or. instruction.
Signed-off-by: Alexander Graf <[email protected]>
---
arch/powerpc/include/asm/ppc-opcode.h | 1 +
arch/powerpc/kvm/emulate.c | 8 ++++++++
2 files changed, 9 insertions(+)
diff --git a/arch/powerpc/include/asm/ppc-opcode.h
b/arch/powerpc/include/asm/ppc-opcode.h
index 35296d0..8a155dd 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -105,6 +105,7 @@
#define OP_31_XOP_LHAUX 375
#define OP_31_XOP_STHX 407
#define OP_31_XOP_STHUX 439
+#define OP_31_XOP_OR 444
#define OP_31_XOP_MTSPR 467
#define OP_31_XOP_DCBI 470
#define OP_31_XOP_LWBRX 534
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index e156d31..bde4c1e 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -544,6 +544,14 @@ int kvmppc_emulate_any_instruction(struct kvm_vcpu *vcpu)
kvmppc_emulate_cmp(vcpu, value, 0, true, 0,
is_32bit);
break;
+ case OP_31_XOP_OR:
+ value = kvmppc_get_gpr(vcpu, get_rs(inst));
+ value |= kvmppc_get_gpr(vcpu, get_rb(inst));
+ kvmppc_set_gpr(vcpu, get_ra(inst), value);
+ if (get_rc(inst))
+ kvmppc_emulate_cmp(vcpu, value, 0, true, 0,
+ is_32bit);
+ break;
default:
emulated = EMULATE_FAIL;
break;
--
1.8.1.4
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