From: "Edgar E. Iglesias" <edgar.igles...@xilinx.com> Add support for data-access barriers.
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> Reviewed-by: Alistair Francis <alistair.fran...@wdc.com> Signed-off-by: Edgar E. Iglesias <edgar.igles...@xilinx.com> --- target/microblaze/translate.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index c1be76d4c8..c58f334a0f 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -1233,6 +1233,11 @@ static void dec_br(DisasContext *dc) LOG_DIS("mbar %d\n", mbar_imm); + /* Data access memory barrier. */ + if ((mbar_imm & 2) == 0) { + tcg_gen_mb(TCG_BAR_SC | TCG_MO_ALL); + } + /* mbar IMM & 16 decodes to sleep. */ if (mbar_imm & 16) { TCGv_i32 tmp_hlt = tcg_const_i32(EXCP_HLT); -- 2.25.1