From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
To: qemu-devel@nongnu.org
Cc: figlesia@xilinx.com, peter.maydell@linaro.org,
sstabellini@kernel.org, edgar.iglesias@xilinx.com,
sai.pavan.boddu@xilinx.com, frasse.iglesias@gmail.com,
alistair@alistair23.me, richard.henderson@linaro.org,
frederic.konrad@adacore.com, qemu-arm@nongnu.org,
philmd@redhat.com, luc.michel@greensocs.com
Subject: [PATCH v1 3/5] target/microblaze: mbar: Add support for data-access barriers
Date: Mon, 17 Aug 2020 16:01:42 +0200 [thread overview]
Message-ID: <20200817140144.373403-4-edgar.iglesias@gmail.com> (raw)
In-Reply-To: <20200817140144.373403-1-edgar.iglesias@gmail.com>
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
Add support for data-access barriers.
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:[~2020-08-17 14:03 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-17 14:01 [PATCH v1 0/5] target/microblaze: Enable MTTCG Edgar E. Iglesias
2020-08-17 14:01 ` [PATCH v1 1/5] target/microblaze: mbar: Transfer dc->rd to mbar_imm Edgar E. Iglesias
2020-08-17 15:31 ` Richard Henderson
2020-08-17 16:08 ` Alistair Francis
2020-08-17 14:01 ` [PATCH v1 2/5] target/microblaze: mbar: Move LOG_DIS to before sleep Edgar E. Iglesias
2020-08-17 15:32 ` Richard Henderson
2020-08-17 16:08 ` Alistair Francis
2020-08-17 14:01 ` Edgar E. Iglesias [this message]
2020-08-17 15:42 ` [PATCH v1 3/5] target/microblaze: mbar: Add support for data-access barriers Richard Henderson
2020-08-17 17:03 ` Edgar E. Iglesias
2020-08-17 16:12 ` Alistair Francis
2020-08-17 14:01 ` [PATCH v1 4/5] target/microblaze: swx: Use atomic_cmpxchg Edgar E. Iglesias
2020-08-17 15:52 ` Richard Henderson
2020-08-17 15:59 ` Edgar E. Iglesias
2020-08-17 16:11 ` Alistair Francis
2020-08-17 14:01 ` [PATCH v1 5/5] configure: microblaze: Enable mttcg Edgar E. Iglesias
2020-08-17 16:07 ` Alistair Francis
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