From patchwork Fri Oct 16 22:11:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Baturo X-Patchwork-Id: 302700 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=-12.3 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_INVALID, DKIM_SIGNED, FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 2A925C433E7 for ; Fri, 16 Oct 2020 22:14:50 +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 802AB21D40 for ; Fri, 16 Oct 2020 22:14:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="dLscBUay" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 802AB21D40 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57854 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kTXzq-0004my-AL for qemu-devel@archiver.kernel.org; Fri, 16 Oct 2020 18:14:46 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48816) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTXx4-00034O-Jl; Fri, 16 Oct 2020 18:11:54 -0400 Received: from mail-lf1-x144.google.com ([2a00:1450:4864:20::144]:43618) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kTXwy-0004GR-H4; Fri, 16 Oct 2020 18:11:54 -0400 Received: by mail-lf1-x144.google.com with SMTP id l28so5025961lfp.10; Fri, 16 Oct 2020 15:11:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=aJ0KQb6Ozzm+TKAEStsx77t+LpGGqIZVP5UuxdMy3MY=; b=dLscBUay8jZmMRDkIZgveyHLORRGr3jd4+ziQkEZP40prXEhAkiwEq1lpKG3eFlQBh Cyg6pwXdeIfsX5pA1oczcxnE8OjQBgl2V8uMghm50QfYpaPMTXw7/+6NoSgiTIW5DRCz zV1UJRuwYRncJ3gs+0sRfqSDIxDf2wDVb5RI0vDztBdxD/Vj81nKxUxRruCat9Jh1rPn +XSsWltJTNP/K9R/IGKCXad5eMfBE/LdxnztxuAxAUEZSQlfbPVIpHtkbN1PM7r7D/lq GhVc4ePKZuoutCb0fryEuN3lpJVOwYMx4FYvae4Tt7Z/VVwYlyNTFR9njSVbrpA4W1Im Vklg== 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:mime-version:content-transfer-encoding; bh=aJ0KQb6Ozzm+TKAEStsx77t+LpGGqIZVP5UuxdMy3MY=; b=IXgeNLXY4qaNXBQySxxB9f1fr5u+IQj6/KlKZhrr7sqG8CaFPC6NBke1OwTQgaCoZ2 bt6x8sP7/JtJHpmvwCxvFNIMioDwtI+bUNjlVkypwl8Qh3x4JL/p0wQQ3DZzdr3a8v7F NNWnjJnczmJtdVMBixhtNJ+ZhIa9ac4kvShnp/zu/YxTzo3M401brG/IctDfG9a9+4U7 8bjmjDPZDLbK3OpGYzJ0NIVYgFKjiOGPSsAp0taH7vLi738/tZujgfYwIrbFSQyjkK6H q7EUKTyuUpuI4fNlarjAVJI1gRSMYWwRjUvLJU/iKn8wptKH9+G16bUmi9I5Z1iGYZas cVWQ== X-Gm-Message-State: AOAM531oS6JBuKKJd6StpLYUQoJVxlFNXRV57eobvUVYdAOFPVpNOYkP /rOYNhkYVm24cxaEQ0HJzIQ= X-Google-Smtp-Source: ABdhPJyufgTX9zcqWAKlbqgvFmqJ9xw1ZPZgZObXHUImkRucsLX7dAkzGuogF6A7oEQxiU2XvVKg4w== X-Received: by 2002:a19:8d0:: with SMTP id 199mr2358212lfi.529.1602886305584; Fri, 16 Oct 2020 15:11:45 -0700 (PDT) Received: from neptune.lab ([46.39.229.194]) by smtp.googlemail.com with ESMTPSA id d6sm1303010lja.63.2020.10.16.15.11.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Oct 2020 15:11:45 -0700 (PDT) From: Alexey Baturo X-Google-Original-From: Alexey Baturo To: Subject: [PATCH v3 1/5] [RISCV_PM] Add J-extension into RISC-V Date: Sat, 17 Oct 2020 01:11:33 +0300 Message-Id: <20201016221138.10371-2-space.monkey.delivers@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201016221138.10371-1-space.monkey.delivers@gmail.com> References: <20201016221138.10371-1-space.monkey.delivers@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::144; envelope-from=baturo.alexey@gmail.com; helo=mail-lf1-x144.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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, FREEMAIL_FROM=0.001, 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-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: baturo.alexey@gmail.com, qemu-riscv@nongnu.org, sagark@eecs.berkeley.edu, kbastian@mail.uni-paderborn.de, richard.henderson@linaro.org, qemu-devel@nongnu.org, space.monkey.delivers@gmail.com, Alistair.Francis@wdc.com, kupokupokupopo@gmail.com, palmer@dabbelt.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Alexey Baturo 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 0bbfd7f457..fe6bab4a52 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -438,6 +438,9 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) if (cpu->cfg.ext_h) { target_misa |= RVH; } + if (cpu->cfg.ext_j) { + target_misa |= RVJ; + } if (cpu->cfg.ext_v) { target_misa |= RVV; if (!is_power_of_2(cpu->cfg.vlen)) { @@ -516,6 +519,7 @@ static Property riscv_cpu_properties[] = { DEFINE_PROP_BOOL("u", RISCVCPU, cfg.ext_u, true), /* This is experimental so mark with 'x-' */ DEFINE_PROP_BOOL("x-h", RISCVCPU, cfg.ext_h, false), + DEFINE_PROP_BOOL("x-j", RISCVCPU, cfg.ext_j, false), DEFINE_PROP_BOOL("x-v", RISCVCPU, cfg.ext_v, false), DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true), DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true), diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index de275782e6..eca611a367 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -66,6 +66,7 @@ #define RVS RV('S') #define RVU RV('U') #define RVH RV('H') +#define RVJ RV('J') /* 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 @@ -277,6 +278,7 @@ struct RISCVCPU { bool ext_s; bool ext_u; bool ext_h; + bool ext_j; bool ext_v; bool ext_counters; bool ext_ifencei;