If the PC is in the last page of the address space, next_page_start overflows to 0. Fix it.
Cc: "Edgar E. Iglesias" <edgar.igles...@gmail.com> Signed-off-by: Emilio G. Cota <c...@braap.org> --- target/microblaze/translate.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index 7628b0e..401dbe6 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -1637,7 +1637,7 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb) uint32_t pc_start; struct DisasContext ctx; struct DisasContext *dc = &ctx; - uint32_t next_page_start, org_flags; + uint32_t page_start, org_flags; target_ulong npc; int num_insns; int max_insns; @@ -1663,7 +1663,7 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb) cpu_abort(cs, "Microblaze: unaligned PC=%x\n", pc_start); } - next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; + page_start = pc_start & TARGET_PAGE_MASK; num_insns = 0; max_insns = tb_cflags(tb) & CF_COUNT_MASK; if (max_insns == 0) { @@ -1749,7 +1749,7 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb) } while (!dc->is_jmp && !dc->cpustate_changed && !tcg_op_buf_full() && !singlestep - && (dc->pc < next_page_start) + && (dc->pc - page_start < TARGET_PAGE_SIZE) && num_insns < max_insns); npc = dc->pc; -- 2.7.4