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[147.11.224.80]) by smtp.gmail.com with ESMTPSA id p10sm11453307pff.132.2019.08.31.19.53.35 (version=TLS1 cipher=AES128-SHA bits=128/128); Sat, 31 Aug 2019 19:53:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references; bh=UM+Y7KDLzrYTrBk4xhqiDKoDDPO9EnMtwCiqmXP8L+I=; b=AZJOoEmD0DE8rVsQPM+Wouwynw8xPiad1jt3NbNulX9XJ/669cQFi7GPo0VX21pxrG VMUA2rNlFYGMo/O2EVsu/SdeOiZzC0u99zj8gZHXwk/pOxBTPFk0FLohFH1egiHpsDH/ EBEzhdJPwa0hLl214hNr8TpifZHe7LKKugyKfMBFrPCvIf1spv8UNLGrZTmAsVSECWEc kIpZ9LGpugsQPB+DSXt/Fhl93fe5ZrtkB5VIG6unremn8iLLOQihxIoWGuq/W9iQAAip uTAAWFdSr83L+gD+BybGN3g19lbg53+bCLk89xcZxfOiQDypa5OAt58IndPRZ4OtH8Yx t0kQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=UM+Y7KDLzrYTrBk4xhqiDKoDDPO9EnMtwCiqmXP8L+I=; b=owBiQewBLHNyNZXesRFiyABPpHWBywIvICjChcyMpsYZsq43lnyJ4Jk011UHPnam2w mSrfphQ4LnWc87izk1qP9N7Oibxnv4S3h2F5ZNRB9vMBXb4ZF4TGRdQ8gy4qpwJakfHv scoqMdDm10yQ30HW5LBcb1GNo/RU9BXZmcGFTkDn3a9ety3OAvR0HS88rWEFOtbymMTE hF8L5cR7q+gGUVsTHanvYpM++ctyeryU6TZAVMBjAXeXJwrZWvSnXyv4kAzYBl1D1IBV cOOqwslKzxTNO0A1i/jQ6lF4WSYWhichkzoEZwcEsKwSmqpdOR0BGJWDBLh2cxQEzWNv ApPQ== X-Gm-Message-State: APjAAAVV7HWBjtPj3slau0XPwt1GE7wtnS8rSPvTvaK20WwYvuNE1Mgk M/AvIEwsySctrJSFgkPKzRw= X-Google-Smtp-Source: APXvYqzL6uJ8DVN39RWoZzi89h1ABF9kYIveRrvaRboz1b+214hgzJK/9tT8u8wpVxJuZrqXeeE8bQ== X-Received: by 2002:a65:640d:: with SMTP id a13mr19253235pgv.256.1567306416267; Sat, 31 Aug 2019 19:53:36 -0700 (PDT) From: Bin Meng To: Alistair Francis , Palmer Dabbelt , qemu-devel@nongnu.org, qemu-riscv@nongnu.org Date: Sat, 31 Aug 2019 19:52:57 -0700 Message-Id: <1567306391-2682-17-git-send-email-bmeng.cn@gmail.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1567306391-2682-1-git-send-email-bmeng.cn@gmail.com> References: <1567306391-2682-1-git-send-email-bmeng.cn@gmail.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::441 Subject: [Qemu-devel] [PATCH v7 16/30] riscv: sifive_u: Set the minimum number of cpus to 2 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 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" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" It is not useful if we only have one management CPU. Signed-off-by: Bin Meng Reviewed-by: Alistair Francis --- Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: - use management cpu count + 1 for the min_cpus Changes in v2: - update the file header to indicate at least 2 harts are created hw/riscv/sifive_u.c | 4 +++- include/hw/riscv/sifive_u.h | 2 ++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index 3f58f61..67b503a 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -10,7 +10,8 @@ * 1) CLINT (Core Level Interruptor) * 2) PLIC (Platform Level Interrupt Controller) * - * This board currently uses a hardcoded devicetree that indicates one har= t. + * This board currently generates devicetree dynamically that indicates at= least + * two harts. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -433,6 +434,7 @@ static void riscv_sifive_u_machine_init(MachineClass *m= c) * management CPU. */ mc->max_cpus =3D 4; + mc->min_cpus =3D SIFIVE_U_MANAGEMENT_CPU_COUNT + 1; } =20 DEFINE_MACHINE("sifive_u", riscv_sifive_u_machine_init) diff --git a/include/hw/riscv/sifive_u.h b/include/hw/riscv/sifive_u.h index 4abc621..32d680c 100644 --- a/include/hw/riscv/sifive_u.h +++ b/include/hw/riscv/sifive_u.h @@ -68,6 +68,8 @@ enum { SIFIVE_U_GEM_CLOCK_FREQ =3D 125000000 }; =20 +#define SIFIVE_U_MANAGEMENT_CPU_COUNT 1 + #define SIFIVE_U_PLIC_HART_CONFIG "MS" #define SIFIVE_U_PLIC_NUM_SOURCES 54 #define SIFIVE_U_PLIC_NUM_PRIORITIES 7 --=20 2.7.4