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([191.255.2.33]) by smtp.gmail.com with ESMTPSA id w14-20020a170902e88e00b001c736746d33sm9738654plg.217.2023.10.25.16.45.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Oct 2023 16:45:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1698277531; x=1698882331; 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=VDgDvO7i84WdHmQ1CVHYuaunKGbn8YvcKITz/IAnR9E=; b=Sw3/+hTjhDhB3pCL8QoiPYCIVxyAFPfQS8IBP3DsEEVXaOI11m0b8wisOH6u0fAjzm DYyquvTgA4oyk2kbfTwNiGM25e1ryHyBMLMnaYvgYQy8CPi/6YRDrDrruUR7hPKQIC/y GAjnA2N2KdMs3KPXG1SZm0RRrig8b5QHwY8glQvlG8KySVnaLWH4xPI7Ws689Skekqc8 vM7Mmv2pOzAoaHwsnxZCQ31xz9Rswtjy3jNGaXnCNkC/nNcfkbh0MA8dcZ2RcycOKgvQ rxcBgGxObd3f4ZeQ+Q6HLNnjDu+gV7gMJKU9VbjrHnHm9RWyAcMmqiJOGp/DaU7My3ta gbPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698277531; x=1698882331; 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=VDgDvO7i84WdHmQ1CVHYuaunKGbn8YvcKITz/IAnR9E=; b=W9MXXG/ecIaA+uPCHkjY11AAmjBqVjEDJuO3Xtp0tvxbbLlo2CsKWRg9rFor0YYUNr P8/Ev/byx3ntj9n+gGXPNF+yFXxFAaHX4ThEGUCDuCE1bDyy8qn0SEszoN1WZUm8U8ad 9L0NnwJMkufMxjGUFJGM1EC5AKV1B3RSTiNHRXKGb0RsOzzRqDY2fMiOv+7enJa0wWas xqeiqRM/riCy2TErp8V9Q+VNdI8iitzZcyY6G4tfwkIoaIXDVbapV3A8r14pBqxkw+6+ s/JFXWggembJAFi1XmK4uGG1SrBudSBrPtL+m9y1IOWtYy14AcgA63p1KCZwfWEEUiE3 z2cQ== X-Gm-Message-State: AOJu0YyGBOk+g8Ll+kScUQ6qkM/PgDIYX7DCJNjKUiYVjLpBQh3ZFuIs W9TO764wD5fMa/SE3+92AIYxEFiHDbQRUyySJok= X-Google-Smtp-Source: AGHT+IF9kp0F1/Sin6fhMrS9A9HMXaJeCDXpjBuaDYeDdMDZ3F6EQ0LOttAF/9dwAIKvvbzYh78MMw== X-Received: by 2002:a17:902:f092:b0:1ca:86b:7ed9 with SMTP id p18-20020a170902f09200b001ca086b7ed9mr11311959pla.40.1698277531328; Wed, 25 Oct 2023 16:45:31 -0700 (PDT) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, alistair.francis@wdc.com, bmeng@tinylab.org, liweiwei@iscas.ac.cn, zhiwei_liu@linux.alibaba.com, palmer@rivosinc.com, ajones@ventanamicro.com, Daniel Henrique Barboza Subject: [PATCH v5 07/10] target/riscv/tcg: handle profile MISA bits Date: Wed, 25 Oct 2023 20:44:56 -0300 Message-ID: <20231025234459.581697-8-dbarboza@ventanamicro.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231025234459.581697-1-dbarboza@ventanamicro.com> References: <20231025234459.581697-1-dbarboza@ventanamicro.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=2607:f8b0:4864:20::62e; envelope-from=dbarboza@ventanamicro.com; helo=mail-pl1-x62e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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 @ventanamicro.com) X-ZM-MESSAGEID: 1698277628365100007 Content-Type: text/plain; charset="utf-8" The profile support is handling multi-letter extensions only. Let's add support for MISA bits as well. We'll go through every known MISA bit. If the profile doesn't declare the b= it as mandatory, ignore it. Otherwise, set or clear the bit in env->misa_ext a= nd env->misa_ext_mask depending on whether the profile was set to 'true' or 'false'. Signed-off-by: Daniel Henrique Barboza Reviewed-by: LIU Zhiwei Reviewed-by: Andrew Jones --- target/riscv/tcg/tcg-cpu.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c index 5d96ccb45c..4f4bc58627 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -829,6 +829,19 @@ static void cpu_set_profile(Object *obj, Visitor *v, c= onst char *name, profile->user_set =3D true; profile->enabled =3D value; =20 + for (i =3D 0; misa_bits[i] !=3D 0; i++) { + uint32_t bit =3D misa_bits[i]; + + if (!(profile->misa_ext & bit)) { + continue; + } + + g_hash_table_insert(misa_ext_user_opts, + GUINT_TO_POINTER(bit), + (gpointer)value); + riscv_cpu_write_misa_bit(cpu, bit, profile->enabled); + } + for (i =3D 0; profile->ext_offsets[i] !=3D RISCV_PROFILE_EXT_LIST_END;= i++) { ext_offset =3D profile->ext_offsets[i]; =20 --=20 2.41.0