This patch adds emulation support for the andi. instruction.
Signed-off-by: Alexander Graf <agraf@xxxxxxx>
---
arch/powerpc/include/asm/ppc-opcode.h | 1 +
arch/powerpc/kvm/emulate.c | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index d3ff899..35296d0 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -115,6 +115,7 @@
#define OP_ADDIS 15
#define OP_ORI 24
+#define OP_ANDI 28
#define OP_LWZ 32
#define OP_LD 58
#define OP_LWZU 33
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index cfe0bf6..e156d31 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -525,6 +525,12 @@ int kvmppc_emulate_any_instruction(struct kvm_vcpu *vcpu)
value |= get_d(inst);
kvmppc_set_gpr(vcpu, get_ra(inst), value);
break;
+ case OP_ANDI:
+ value = kvmppc_get_gpr(vcpu, get_rs(inst));
+ value &= get_d(inst);
+ kvmppc_set_gpr(vcpu, get_ra(inst), value);
+ kvmppc_emulate_cmp(vcpu, value, 0, true, 0, is_32bit);
+ break;
case 31:
switch (get_xop(inst)) {
case OP_31_XOP_MFCR:
--
1.8.1.4
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