From: Paolo Bonzini <pbonz...@redhat.com>
Reject 0x66/0xf3/0xf2 in front of them.
Cc: qemu-sta...@nongnu.org
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
(cherry picked from commit 40a3ec7b5ffde500789d016660a171057d6b467c)
Signed-off-by: Michael Tokarev <m...@tls.msk.ru>
diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
index ebfee15d77..b5ebff2c89 100644
--- a/target/i386/tcg/translate.c
+++ b/target/i386/tcg/translate.c
@@ -6089,7 +6089,8 @@ static bool disas_insn(DisasContext *s, CPUState *cpu)
gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 1);
break;
case 0xee: /* rdpkru */
- if (prefixes & PREFIX_LOCK) {
+ if (s->prefix & (PREFIX_LOCK | PREFIX_DATA
+ | PREFIX_REPZ | PREFIX_REPNZ)) {
goto illegal_op;
}
tcg_gen_trunc_tl_i32(s->tmp2_i32, cpu_regs[R_ECX]);
@@ -6097,7 +6098,8 @@ static bool disas_insn(DisasContext *s, CPUState *cpu)
tcg_gen_extr_i64_tl(cpu_regs[R_EAX], cpu_regs[R_EDX], s->tmp1_i64);
break;
case 0xef: /* wrpkru */
- if (prefixes & PREFIX_LOCK) {
+ if (s->prefix & (PREFIX_LOCK | PREFIX_DATA
+ | PREFIX_REPZ | PREFIX_REPNZ)) {
goto illegal_op;
}
tcg_gen_concat_tl_i64(s->tmp1_i64, cpu_regs[R_EAX],
--
2.39.2
