From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
To: qemu-devel@nongnu.org
Cc: edgar.iglesias@xilinx.com, peter.maydell@linaro.org
Subject: [PULL v1 3/8] target/microblaze: mbar: Add support for data-access barriers
Date: Mon, 24 Aug 2020 12:00:36 +0200 [thread overview]
Message-ID: <20200824100041.1864420-4-edgar.iglesias@gmail.com> (raw)
In-Reply-To: <20200824100041.1864420-1-edgar.iglesias@gmail.com>
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
next prev parent reply other threads:[~2020-08-24 10:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-24 10:00 [PULL v1 0/8] Xilinx queue 2020-08-14 Edgar E. Iglesias
2020-08-24 10:00 ` [PULL v1 1/8] target/microblaze: mbar: Transfer dc->rd to mbar_imm Edgar E. Iglesias
2020-08-24 10:00 ` [PULL v1 2/8] target/microblaze: mbar: Move LOG_DIS to before sleep Edgar E. Iglesias
2020-08-24 10:00 ` Edgar E. Iglesias [this message]
2020-08-24 10:00 ` [PULL v1 4/8] target/microblaze: swx: Use atomic_cmpxchg Edgar E. Iglesias
2020-08-24 10:00 ` [PULL v1 5/8] configure: microblaze: Enable mttcg Edgar E. Iglesias
2020-08-24 10:00 ` [PULL v1 6/8] target/microblaze: mbar: Trap sleeps from user-space Edgar E. Iglesias
2020-08-24 10:00 ` [PULL v1 7/8] microblaze: petalogix-ml605: Add device-tree source Edgar E. Iglesias
2020-08-24 10:00 ` [PULL v1 8/8] microblaze: petalogix-s3adsp1800: " Edgar E. Iglesias
2020-08-24 15:32 ` [PULL v1 0/8] Xilinx queue 2020-08-14 Peter Maydell
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