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[217.169.11.214]) by smtp.gmail.com with ESMTPSA id bg30-20020a05600c3c9e00b0040d62f89381sm4350308wmb.35.2024.01.09.09.19.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jan 2024 09:19:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1704820747; x=1705425547; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Z7JJwmgisw0X/jOef1avVYzZWfop3gRIE8N7iHYhYws=; b=2OEtFo4vZbXIy0GAJP7HungL5ZtGoGhwy8D8Bn4gpdufrMVqRBJu/AqWoMF27QPo37 UynH6HqO5XDMDp/W5iJ9SWFkai3ltnZd7flCgeQpIfkW1rcNss244YCSE+ynCgkCYD2c TXVwBNvevCJpud/7rluXlaZNraYFADzbOtXCuzU3JHXCfskLAMGXQfil7bkKylov30l5 ecFhAJumcCLlXIFSer7YgTf2maSKdjDn9R6DlatB3IvIhRz5HG7iRdzruVMbGHXIbq/F jPjfNcmUKxJ8PrX0nV8FTH7JD15km5Wpxe71pln/6EbKuBirEcY924OaCguFz5+1nVSU ZU0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704820747; x=1705425547; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Z7JJwmgisw0X/jOef1avVYzZWfop3gRIE8N7iHYhYws=; b=iZCXmVWV7I9fR4FXSnDtiWrvlfkZd29fdgk7h3eSViKHFhEOJdj4lA8ndccyVzvyPK wBhL+pBgQLuVQ1sGjB1PDueC1kPd9D/Q9QT6XuLod8WCJiGtKHT7uBxK0/AJQe0c6Hkr LWXf6QQ1C4of2rIi7IcSVCQB6JxEhhxyjCoLZ15Oczjb3bQoyOfqfhtLPItnlzyDtaU4 1Pm0O2td/+ihWhhRyAeLlqoLfkrzG+q5VD4i8ltuAtJRW6PMTX5OJQ0pG4n7vCeLFlIU LGqlbLaSnsZG4qskuHPFTlxHusNqOMCUxVfb2RKVHAse8P6zze8S0Kw/PpHEC5sRgrnr P9dw== X-Gm-Message-State: AOJu0YwfQm0TF/KZmZtFGiXuWHZ6Nn9q3ZfSCok+6rRQkVMyGTXRq4nK 9cKcYOdPXEqAm87X5ScEzXGfzLdcIrzRqWeftEl/zvIfHFEsqQ== X-Google-Smtp-Source: AGHT+IH6ElUD9A+v0Z2Aabue/BSHRZEGuPPS7osKdfoRg7/tEFEGJ7HHpvmZ4AL5vb4VT4Jt0V0wew== X-Received: by 2002:a05:600c:4747:b0:40d:87e9:6efe with SMTP id w7-20020a05600c474700b0040d87e96efemr2973786wmo.1.1704820747331; Tue, 09 Jan 2024 09:19:07 -0800 (PST) From: Rob Bradford To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, atishp@rivosinc.com, palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, liwei1518@gmail.com, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com, Rob Bradford Subject: [PATCH 1/3] target/riscv: Add infrastructure for 'B' MISA extension Date: Tue, 9 Jan 2024 17:07:35 +0000 Message-ID: <20240109171848.32237-2-rbradford@rivosinc.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240109171848.32237-1-rbradford@rivosinc.com> References: <20240109171848.32237-1-rbradford@rivosinc.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; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32f; envelope-from=rbradford@rivosinc.com; helo=mail-wm1-x32f.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @rivosinc-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1704820811707100007 Content-Type: text/plain; charset="utf-8" Add the infrastructure for the 'B' extension which is the union of the Zba, Zbb and Zbs instructions. Signed-off-by: Rob Bradford Reviewed-by: Andrew Jones Reviewed-by: Daniel Henrique Barboza --- target/riscv/cpu.c | 5 +++-- target/riscv/cpu.h | 1 + target/riscv/tcg/tcg-cpu.c | 1 + 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index b07a76ef6b..22f8e527ff 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -38,9 +38,9 @@ #include "tcg/tcg.h" =20 /* RISC-V CPU definitions */ -static const char riscv_single_letter_exts[] =3D "IEMAFDQCPVH"; +static const char riscv_single_letter_exts[] =3D "IEMAFDQCBPVH"; const uint32_t misa_bits[] =3D {RVI, RVE, RVM, RVA, RVF, RVD, RVV, - RVC, RVS, RVU, RVH, RVJ, RVG, 0}; + RVC, RVS, RVU, RVH, RVJ, RVG, RVB, 0}; =20 /* * From vector_helper.c @@ -1251,6 +1251,7 @@ static const MISAExtInfo misa_ext_info_arr[] =3D { MISA_EXT_INFO(RVJ, "x-j", "Dynamic translated languages"), MISA_EXT_INFO(RVV, "v", "Vector operations"), MISA_EXT_INFO(RVG, "g", "General purpose (IMAFD_Zicsr_Zifencei)"), + MISA_EXT_INFO(RVB, "x-b", "Bit manipulation (Zba_Zbb_Zbs)") }; =20 static int riscv_validate_misa_info_idx(uint32_t bit) diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 2725528bb5..756a345513 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -69,6 +69,7 @@ typedef struct CPUArchState CPURISCVState; #define RVH RV('H') #define RVJ RV('J') #define RVG RV('G') +#define RVB RV('B') =20 extern const uint32_t misa_bits[]; const char *riscv_get_misa_ext_name(uint32_t bit); diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c index 8a35683a34..fda54671d5 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -791,6 +791,7 @@ static const RISCVCPUMisaExtConfig misa_ext_cfgs[] =3D { MISA_CFG(RVJ, false), MISA_CFG(RVV, false), MISA_CFG(RVG, false), + MISA_CFG(RVB, false) }; =20 /* --=20 2.43.0