1 files changed, 10 insertions, 2 deletions
diff --git a/accel/tcg/translator.c b/accel/tcg/translator.c
index ef5193c67e..1cf404ced0 100644
--- a/accel/tcg/translator.c
+++ b/accel/tcg/translator.c
@@ -176,8 +176,16 @@ static void *translator_access(CPUArchState *env, DisasContextBase *db,
         if (host == NULL) {
             tb_page_addr_t phys_page =
                 get_page_addr_code_hostp(env, base, &db->host_addr[1]);
-            /* We cannot handle MMIO as second page. */
-            assert(phys_page != -1);
+
+            /*
+             * If the second page is MMIO, treat as if the first page
+             * was MMIO as well, so that we do not cache the TB.
+             */
+            if (unlikely(phys_page == -1)) {
+                tb_set_page_addr0(tb, -1);
+                return NULL;
+            }
+
             tb_set_page_addr1(tb, phys_page);
 #ifdef CONFIG_USER_ONLY
             page_protect(end);