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Thu, 23 May 2024 20:43:53 +0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1716468234; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=5d1egGe19OF45aK4cecdpG3M11Rn5E6zStJRWUL5KRc=; b=qzkkxsMwQxu4Hf3rbPw+6MQHmY890CQ8/gDVqjlyFcE9cw2NVTfAZh+KvSkvC03ZP+GJM1iLpJfrVYm+2WmXeEvF0JGag92m+raaYCp6280u/12WraXsZewP5YfzQOXTPy72ynWwJzpRMk5iNPOT760pAUHtEEeuUpH19sRfvSM= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R551e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033045075189; MF=zhiwei_liu@linux.alibaba.com; NM=1; PH=DS; RN=8; SR=0; TI=SMTPD_---0W72zv-0_1716468232; From: LIU Zhiwei To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, palmer@dabbelt.com, Alistair.Francis@wdc.com, dbarboza@ventanamicro.com, bmeng.cn@gmail.com, liwei1518@gmail.com, zhiwei_liu@linux.alibaba.com Subject: [PATCH 4/6] target/riscv: Add amocas.[b|h] for Zabha Date: Thu, 23 May 2024 20:40:43 +0800 Message-Id: <20240523124045.1964-5-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20240523124045.1964-1-zhiwei_liu@linux.alibaba.com> References: <20240523124045.1964-1-zhiwei_liu@linux.alibaba.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis --- target/riscv/insn32.decode | 2 ++ target/riscv/insn_trans/trans_rvzabha.c.inc | 14 ++++++++++++++ 2 files changed, 16 insertions(+) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 8a4801d442..eee48f92d3 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -1041,3 +1041,5 @@ amomin_h 10000 . . ..... ..... 001 ..... 0101111 @a= tom_st amomax_h 10100 . . ..... ..... 001 ..... 0101111 @atom_st amominu_h 11000 . . ..... ..... 001 ..... 0101111 @atom_st amomaxu_h 11100 . . ..... ..... 001 ..... 0101111 @atom_st +amocas_b 00101 . . ..... ..... 000 ..... 0101111 @atom_st +amocas_h 00101 . . ..... ..... 001 ..... 0101111 @atom_st diff --git a/target/riscv/insn_trans/trans_rvzabha.c.inc b/target/riscv/ins= n_trans/trans_rvzabha.c.inc index 9093a1cfc1..ce8edcba62 100644 --- a/target/riscv/insn_trans/trans_rvzabha.c.inc +++ b/target/riscv/insn_trans/trans_rvzabha.c.inc @@ -129,3 +129,17 @@ static bool trans_amomaxu_h(DisasContext *ctx, arg_amo= maxu_h *a) REQUIRE_ZABHA(ctx); return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umax_tl, MO_TESW); } + +static bool trans_amocas_b(DisasContext *ctx, arg_amocas_b *a) +{ + REQUIRE_ZACAS(ctx); + REQUIRE_ZABHA(ctx); + return gen_cmpxchg(ctx, a, MO_SB); +} + +static bool trans_amocas_h(DisasContext *ctx, arg_amocas_h *a) +{ + REQUIRE_ZACAS(ctx); + REQUIRE_ZABHA(ctx); + return gen_cmpxchg(ctx, a, MO_ALIGN | MO_TESW); +} --=20 2.25.1