diff options
| -rw-r--r-- | target-microblaze/translate.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c index 180ac84f0..96ce2ece5 100644 --- a/target-microblaze/translate.c +++ b/target-microblaze/translate.c @@ -1249,12 +1249,22 @@ static void dec_bcc(DisasContext *dc) static void dec_br(DisasContext *dc) { - unsigned int dslot, link, abs; + unsigned int dslot, link, abs, mbar; int mem_index = cpu_mmu_index(dc->env); dslot = dc->ir & (1 << 20); abs = dc->ir & (1 << 19); link = dc->ir & (1 << 18); + + /* Memory barrier. */ + mbar = (dc->ir >> 16) & 31; + if (mbar == 2 && dc->imm == 4) { + LOG_DIS("mbar %d\n", dc->rd); + /* Break the TB. */ + dc->cpustate_changed = 1; + return; + } + LOG_DIS("br%s%s%s%s imm=%x\n", abs ? "a" : "", link ? "l" : "", dc->type_b ? "i" : "", dslot ? "d" : "", |