From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A468C433E0 for ; Wed, 13 Jan 2021 07:32:42 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7DA6E23139 for ; Wed, 13 Jan 2021 07:32:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7DA6E23139 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sifive.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:49972 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kzae0-0004fO-86 for qemu-devel@archiver.kernel.org; Wed, 13 Jan 2021 02:32:40 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49368) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzaNK-00080Q-I2 for qemu-devel@nongnu.org; Wed, 13 Jan 2021 02:15:26 -0500 Received: from mail-pj1-x102e.google.com ([2607:f8b0:4864:20::102e]:55787) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kzaNI-0004OC-Vi for qemu-devel@nongnu.org; Wed, 13 Jan 2021 02:15:26 -0500 Received: by mail-pj1-x102e.google.com with SMTP id p12so557118pju.5 for ; Tue, 12 Jan 2021 23:15:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=p/qbE6jexeElRhM8mddkBf23LGth+Huw3fAq1j6ZypM=; b=C1UEprSbIFByRWLB2vJvWDauSH+BED0u7flhLvgD51HNjrinVKHr05zWLWRI3NIMue ZbuwLijWozBm/XFff41ODESV2MzawvxPv5h1jyxhKGbVX2/7oP2rh5YFEEkMw8za324N exDUQeJQ+mXZx2oHYMQRARdROXeCWqQRMp6ysEZpkwKC//e19O/imjnqXCpJCc+GFYka NNJAHKg5WGeselPIY30oTeUQRKQMZmYCyxGOfiblUw62J3LmQUo8E3wMy6/GEgOz20/8 mYthoozrFZwiT0bUugpt44kZGxe2pFnMoK3nULBCbKNbkP2mKY30OXqfM9qQdz+EPnPw yMjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=p/qbE6jexeElRhM8mddkBf23LGth+Huw3fAq1j6ZypM=; b=sTlqTyYJsFLHituQIke6gn143ikeXDDENVqPWh5i+2o6JKtJaiA5NElLZRuskf27o+ XfTKWrDISaDP2A5FWxCSTjb5UMYVUqs0avmP45mUQ2Agd4avi19XJCfoRGtcaUcyQ3ak RQMB30tv3+/qR9HFuYZjadQxvaDEmjpW8q2i9LZ1oGUeUjd8s7R/mNu3w6rSjUIV+wWY EpmFHUU36NSmJu9HKs3vhBPZ9PhE3Q4cxalsGaQLx5KSSw9gmOqbFkEcEOVaOkW1QVVL 3Zqz7BndTPSxAt6yEPBmj+L3MsDKWAmjMr1J1YkUGqBsXcHwORAybiMRnHl8mZUmNTfz qlTQ== X-Gm-Message-State: AOAM533oodOgy5SpCZTVTarX3WcQZZG+DAGrVPsQ/sgDwXtEOfZDO3dm GNr7hjn7Nsyl5VTkVXzQld1GugpeLgYPqXjr X-Google-Smtp-Source: ABdhPJyfycNMXUYUuIWR4AkPp6TwdcbTFiYpUqeGBxgT5v/xogQ/nldBw+fG8Qb3nW1eurBQcHR6/w== X-Received: by 2002:a17:90a:eb13:: with SMTP id j19mr768898pjz.219.1610522123469; Tue, 12 Jan 2021 23:15:23 -0800 (PST) Received: from frankchang-ThinkPad-T490.internal.sifive.com (114-34-229-221.HINET-IP.hinet.net. [114.34.229.221]) by smtp.gmail.com with ESMTPSA id l7sm1361888pjy.29.2021.01.12.23.15.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Jan 2021 23:15:22 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v4 16/16] target/riscv: rvb: support and turn on B-extension from command line Date: Wed, 13 Jan 2021 15:13:48 +0800 Message-Id: <20210113071350.24852-17-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210113071350.24852-1-frank.chang@sifive.com> References: <20210113071350.24852-1-frank.chang@sifive.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::102e; envelope-from=frank.chang@sifive.com; helo=mail-pj1-x102e.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sagar Karandikar , Frank Chang , Bastian Koppelmann , Alistair Francis , Palmer Dabbelt , Kito Cheng Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Kito Cheng B-extension is default off, use cpu rv32 or rv64 with x-b=true to enable B-extension. Signed-off-by: Kito Cheng Signed-off-by: Frank Chang Reviewed-by: Alistair Francis Reviewed-by: Richard Henderson --- target/riscv/cpu.c | 4 ++++ target/riscv/cpu.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 8227d7aea9d..7379a0abc6c 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -472,6 +472,9 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) if (cpu->cfg.ext_h) { target_misa |= RVH; } + if (cpu->cfg.ext_b) { + target_misa |= RVB; + } if (cpu->cfg.ext_v) { target_misa |= RVV; if (!is_power_of_2(cpu->cfg.vlen)) { @@ -542,6 +545,7 @@ static Property riscv_cpu_properties[] = { DEFINE_PROP_BOOL("s", RISCVCPU, cfg.ext_s, true), DEFINE_PROP_BOOL("u", RISCVCPU, cfg.ext_u, true), /* This is experimental so mark with 'x-' */ + DEFINE_PROP_BOOL("x-b", RISCVCPU, cfg.ext_b, false), DEFINE_PROP_BOOL("x-h", RISCVCPU, cfg.ext_h, false), DEFINE_PROP_BOOL("x-v", RISCVCPU, cfg.ext_v, false), DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true), diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 6339e848192..d5271906db4 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -72,6 +72,7 @@ #define RVS RV('S') #define RVU RV('U') #define RVH RV('H') +#define RVB RV('B') /* S extension denotes that Supervisor mode exists, however it is possible to have a core that support S mode but does not have an MMU and there @@ -282,6 +283,7 @@ struct RISCVCPU { bool ext_f; bool ext_d; bool ext_c; + bool ext_b; bool ext_s; bool ext_u; bool ext_h; -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.90_1) id 1kzaNL-00082c-F8 for mharc-qemu-riscv@gnu.org; Wed, 13 Jan 2021 02:15:27 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49366) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzaNK-00080O-GT for qemu-riscv@nongnu.org; Wed, 13 Jan 2021 02:15:26 -0500 Received: from mail-pj1-x102e.google.com ([2607:f8b0:4864:20::102e]:35731) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kzaNI-0004Nt-RV for qemu-riscv@nongnu.org; Wed, 13 Jan 2021 02:15:26 -0500 Received: by mail-pj1-x102e.google.com with SMTP id b5so602956pjl.0 for ; Tue, 12 Jan 2021 23:15:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=p/qbE6jexeElRhM8mddkBf23LGth+Huw3fAq1j6ZypM=; b=C1UEprSbIFByRWLB2vJvWDauSH+BED0u7flhLvgD51HNjrinVKHr05zWLWRI3NIMue ZbuwLijWozBm/XFff41ODESV2MzawvxPv5h1jyxhKGbVX2/7oP2rh5YFEEkMw8za324N exDUQeJQ+mXZx2oHYMQRARdROXeCWqQRMp6ysEZpkwKC//e19O/imjnqXCpJCc+GFYka NNJAHKg5WGeselPIY30oTeUQRKQMZmYCyxGOfiblUw62J3LmQUo8E3wMy6/GEgOz20/8 mYthoozrFZwiT0bUugpt44kZGxe2pFnMoK3nULBCbKNbkP2mKY30OXqfM9qQdz+EPnPw yMjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=p/qbE6jexeElRhM8mddkBf23LGth+Huw3fAq1j6ZypM=; b=ZptMM/MnrxeZ1BKSAJ93ZHobCXGAjDP8MfKHFux9MmYaagUNqWUS/mzEGjMrpvg5Nq 8yZm9gQr7yXG36zouEB5IlMCuvVq1AtLX9r1xTRYSIGu5qcn6OR/4krt2B7YZvtt/CuA ngmdUVca9SnyuVbixPVE5leBEZDYAmBdnhMXSVTVtM/hIOOcrIZrBVkmNSZAvToWKdXF dCwgVRg7p89ThfMd6TFSZM9ioIfIAsituehe2x9QDDfyyXv0zyoGr7kLRoFZ2YWH6NRQ 72cQxY4w7OfAy7JE/jgy12egrAgcXrYtvLsd0McV9kgxG1iry1tzWVN0v79qAQSyNGu0 82jw== X-Gm-Message-State: AOAM533caw6jUQlkghRF/rHQU9/yjr3WKKIX2n2w69z88cSHEs5At290 aZ0zHHNGZP/X5UyLHZ3YZyKTfQ== X-Google-Smtp-Source: ABdhPJyfycNMXUYUuIWR4AkPp6TwdcbTFiYpUqeGBxgT5v/xogQ/nldBw+fG8Qb3nW1eurBQcHR6/w== X-Received: by 2002:a17:90a:eb13:: with SMTP id j19mr768898pjz.219.1610522123469; Tue, 12 Jan 2021 23:15:23 -0800 (PST) Received: from frankchang-ThinkPad-T490.internal.sifive.com (114-34-229-221.HINET-IP.hinet.net. [114.34.229.221]) by smtp.gmail.com with ESMTPSA id l7sm1361888pjy.29.2021.01.12.23.15.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Jan 2021 23:15:22 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Kito Cheng , Frank Chang , Palmer Dabbelt , Alistair Francis , Sagar Karandikar , Bastian Koppelmann Subject: [RFC v4 16/16] target/riscv: rvb: support and turn on B-extension from command line Date: Wed, 13 Jan 2021 15:13:48 +0800 Message-Id: <20210113071350.24852-17-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210113071350.24852-1-frank.chang@sifive.com> References: <20210113071350.24852-1-frank.chang@sifive.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::102e; envelope-from=frank.chang@sifive.com; helo=mail-pj1-x102e.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=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-riscv@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jan 2021 07:15:27 -0000 From: Kito Cheng B-extension is default off, use cpu rv32 or rv64 with x-b=true to enable B-extension. Signed-off-by: Kito Cheng Signed-off-by: Frank Chang Reviewed-by: Alistair Francis Reviewed-by: Richard Henderson --- target/riscv/cpu.c | 4 ++++ target/riscv/cpu.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 8227d7aea9d..7379a0abc6c 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -472,6 +472,9 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) if (cpu->cfg.ext_h) { target_misa |= RVH; } + if (cpu->cfg.ext_b) { + target_misa |= RVB; + } if (cpu->cfg.ext_v) { target_misa |= RVV; if (!is_power_of_2(cpu->cfg.vlen)) { @@ -542,6 +545,7 @@ static Property riscv_cpu_properties[] = { DEFINE_PROP_BOOL("s", RISCVCPU, cfg.ext_s, true), DEFINE_PROP_BOOL("u", RISCVCPU, cfg.ext_u, true), /* This is experimental so mark with 'x-' */ + DEFINE_PROP_BOOL("x-b", RISCVCPU, cfg.ext_b, false), DEFINE_PROP_BOOL("x-h", RISCVCPU, cfg.ext_h, false), DEFINE_PROP_BOOL("x-v", RISCVCPU, cfg.ext_v, false), DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true), diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 6339e848192..d5271906db4 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -72,6 +72,7 @@ #define RVS RV('S') #define RVU RV('U') #define RVH RV('H') +#define RVB RV('B') /* S extension denotes that Supervisor mode exists, however it is possible to have a core that support S mode but does not have an MMU and there @@ -282,6 +283,7 @@ struct RISCVCPU { bool ext_f; bool ext_d; bool ext_c; + bool ext_b; bool ext_s; bool ext_u; bool ext_h; -- 2.17.1