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-rw-r--r--target/s390x/tcg/translate.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index d4c0b9b3a2..1d2dddab1c 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -6609,6 +6609,14 @@ static void s390x_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
dc->insn_start = tcg_last_op();
}
+static target_ulong get_next_pc(CPUS390XState *env, DisasContext *s,
+ uint64_t pc)
+{
+ uint64_t insn = ld_code2(env, s, pc);
+
+ return pc + get_ilen((insn >> 8) & 0xff);
+}
+
static void s390x_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
{
CPUS390XState *env = cs->env_ptr;
@@ -6616,10 +6624,9 @@ static void s390x_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
dc->base.is_jmp = translate_one(env, dc);
if (dc->base.is_jmp == DISAS_NEXT) {
- uint64_t page_start;
-
- page_start = dc->base.pc_first & TARGET_PAGE_MASK;
- if (dc->base.pc_next - page_start >= TARGET_PAGE_SIZE || dc->ex_value) {
+ if (!is_same_page(dcbase, dc->base.pc_next) ||
+ !is_same_page(dcbase, get_next_pc(env, dc, dc->base.pc_next)) ||
+ dc->ex_value) {
dc->base.is_jmp = DISAS_TOO_MANY;
}
}