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[PULL v1 3/8] target/microblaze: mbar: Add support for data-access barri
From: |
Edgar E. Iglesias |
Subject: |
[PULL v1 3/8] target/microblaze: mbar: Add support for data-access barriers |
Date: |
Mon, 24 Aug 2020 12:00:36 +0200 |
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
Add support for data-access barriers.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@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
- [PULL v1 0/8] Xilinx queue 2020-08-14, Edgar E. Iglesias, 2020/08/24
- [PULL v1 2/8] target/microblaze: mbar: Move LOG_DIS to before sleep, Edgar E. Iglesias, 2020/08/24
- [PULL v1 1/8] target/microblaze: mbar: Transfer dc->rd to mbar_imm, Edgar E. Iglesias, 2020/08/24
- [PULL v1 4/8] target/microblaze: swx: Use atomic_cmpxchg, Edgar E. Iglesias, 2020/08/24
- [PULL v1 5/8] configure: microblaze: Enable mttcg, Edgar E. Iglesias, 2020/08/24
- [PULL v1 6/8] target/microblaze: mbar: Trap sleeps from user-space, Edgar E. Iglesias, 2020/08/24
- [PULL v1 3/8] target/microblaze: mbar: Add support for data-access barriers,
Edgar E. Iglesias <=
- [PULL v1 7/8] microblaze: petalogix-ml605: Add device-tree source, Edgar E. Iglesias, 2020/08/24
- [PULL v1 8/8] microblaze: petalogix-s3adsp1800: Add device-tree source, Edgar E. Iglesias, 2020/08/24
- Re: [PULL v1 0/8] Xilinx queue 2020-08-14, Peter Maydell, 2020/08/24