From 3f17274491cff2c8bfef74ceeccb037ecbd52705 Mon Sep 17 00:00:00 2001 From: "Edgar E. Iglesias" Date: Thu, 13 Aug 2020 17:41:33 +0200 Subject: target/microblaze: mbar: Add support for data-access barriers Add support for data-access barriers. Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis Signed-off-by: Edgar E. Iglesias --- target/microblaze/translate.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'target') 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); -- cgit v1.2.3