This patch adds emulation for the xor instruction. Signed-off-by: Alexander Graf <agraf@xxxxxxx> --- 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 86c510e..f2da847 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -101,6 +101,7 @@ #define OP_31_XOP_STBUX 247 #define OP_31_XOP_LHZX 279 #define OP_31_XOP_LHZUX 311 +#define OP_31_XOP_XOR 316 #define OP_31_XOP_MFSPR 339 #define OP_31_XOP_LHAX 343 #define OP_31_XOP_LHAUX 375 diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index d6e0e4b..8c2db76 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -633,6 +633,14 @@ int kvmppc_emulate_any_instruction(struct kvm_vcpu *vcpu) kvmppc_emulate_cmp(vcpu, value, 0, true, 0, is_32bit); break; + case OP_31_XOP_XOR: + 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 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
