diff options
Diffstat (limited to 'target-i386/translate.c')
| -rw-r--r-- | target-i386/translate.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/target-i386/translate.c b/target-i386/translate.c index dd8d5cc360..1a1214dcb1 100644 --- a/target-i386/translate.c +++ b/target-i386/translate.c @@ -7322,7 +7322,23 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s, } gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 1); break; - + case 0xee: /* rdpkru */ + if (prefixes & PREFIX_LOCK) { + goto illegal_op; + } + tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_ECX]); + gen_helper_rdpkru(cpu_tmp1_i64, cpu_env, cpu_tmp2_i32); + tcg_gen_extr_i64_tl(cpu_regs[R_EAX], cpu_regs[R_EDX], cpu_tmp1_i64); + break; + case 0xef: /* wrpkru */ + if (prefixes & PREFIX_LOCK) { + goto illegal_op; + } + tcg_gen_concat_tl_i64(cpu_tmp1_i64, cpu_regs[R_EAX], + cpu_regs[R_EDX]); + tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_ECX]); + gen_helper_wrpkru(cpu_env, cpu_tmp2_i32, cpu_tmp1_i64); + break; CASE_MODRM_OP(6): /* lmsw */ if (s->cpl != 0) { gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |