From patchwork Thu Feb 16 16:21:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Henrique Barboza X-Patchwork-Id: 13143451 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id CC47FC636CC for ; Thu, 16 Feb 2023 16:21:39 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pSh0r-0008MD-VB; Thu, 16 Feb 2023 11:21:37 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pSh0q-0008Lv-AF for qemu-devel@nongnu.org; Thu, 16 Feb 2023 11:21:36 -0500 Received: from mail-oa1-x30.google.com ([2001:4860:4864:20::30]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pSh0o-0005uT-CP for qemu-devel@nongnu.org; Thu, 16 Feb 2023 11:21:35 -0500 Received: by mail-oa1-x30.google.com with SMTP id 586e51a60fabf-16debd2786aso3097111fac.7 for ; Thu, 16 Feb 2023 08:21:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=HY0DOmena3fzRb4vDPJG4HFE5q+jsBAnTqDOLdMK3L4=; b=i0tutQfX3Z1ot8HnjXrerno5GD4DPTdwcsatHlT7ldvvrihKRq7WH19l6Ufn/J1QYx tTI+7euMUjOeBXJrVC+RjHsolF8O0wyALDHWtNXZZE5NhHeqKVQV1V+/Rk+D+cschcqP Ia0Kd23q7bA5ZAb+gp8/Bt4i8iOtHrSqtSPLB3Rf2v9P4XnHkXpLu4nBkqPgvpNoKBqH SD1RiE206EaqzfYezdOP7x9Ola3UNysNxGxIUpSoOTfjFIZF4N/80O1c7WDH4suBzRNV Zrb+dZq79ZGhHWjzpfVQcwQVyXQQoanggXZL9bDhdbOVKhYByB435lf+ypUaGHQqsh3T WLVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=HY0DOmena3fzRb4vDPJG4HFE5q+jsBAnTqDOLdMK3L4=; b=Vs84MGsd9dwiutCuT7gBcYgOPnNtbVKDMl73Yi2e2TfxsF3BWoZxworvaL0aklArEk Qgxmvzo9kYhDVVIsf7suXNcvaSvs3EI8oBS5rYBDXpFhHBV1wNpAdno2Mfl622uucBis lyZbC+fx2ukalEkScAyGe1mBiqKKXUOF3D8pUWTrsS75DyfHmXImjUMH+vp6z+5dm4Q1 0jtE33W8OxAEbpZkwQx6JBn0lwpYayHf8gQgHGwFHyhkp3nLJqZ9UGJjgfwOr6C3cbn7 Yk/tNGzoA3T8MH1IVfQybRDxVpYA8LCyRKa9TeiFDAoaygznicEoe3fbfyrHTZ1rnCb5 akjg== X-Gm-Message-State: AO0yUKXaOJah4SKXgw7aypwFcvCCLROG/qaaUPWWbrS/XZ9Xwt1vVCFJ KYZv+lecJucxxcUbOPm11Zfsue0wH2Njs6So X-Google-Smtp-Source: AK7set9BrYcsOWVQyvxVfxr01Q3YQnWX4kQhxwvzcSVAmEyuLpMruucKlsR5XZnukhv+bGNUyTFZEQ== X-Received: by 2002:a05:6871:54c:b0:16e:27cd:b24a with SMTP id t12-20020a056871054c00b0016e27cdb24amr3762651oal.4.1676564492846; Thu, 16 Feb 2023 08:21:32 -0800 (PST) Received: from grind.dc1.ventanamicro.com ([191.19.40.109]) by smtp.gmail.com with ESMTPSA id z17-20020a056870e15100b001600797d1b5sm693029oaa.41.2023.02.16.08.21.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Feb 2023 08:21:32 -0800 (PST) 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, Daniel Henrique Barboza Subject: [PATCH v5 0/9] make write_misa a no-op and FEATURE_* cleanups Date: Thu, 16 Feb 2023 13:21:17 -0300 Message-Id: <20230216162126.809482-1-dbarboza@ventanamicro.com> X-Mailer: git-send-email 2.39.1 MIME-Version: 1.0 Received-SPF: pass client-ip=2001:4860:4864:20::30; envelope-from=dbarboza@ventanamicro.com; helo=mail-oa1-x30.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-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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Hi, This new version squashed patches 1 and 2 together and there's more detail in patch 1 about why we're not violating the spec by keeping write_misa() as a no-op. All patches are acked. Changes from v4: - patches 1 and 2 from v4: squashed together - patch 1: - added more detail in the commit msg about why a no-op misa write is spec compliant - v4 link: https://lists.gnu.org/archive/html/qemu-devel/2023-02/msg04780.html Daniel Henrique Barboza (9): target/riscv: turn write_misa() into an official no-op target/riscv: introduce riscv_cpu_cfg() target/riscv: remove RISCV_FEATURE_DEBUG target/riscv/cpu.c: error out if EPMP is enabled without PMP target/riscv: remove RISCV_FEATURE_EPMP target/riscv: remove RISCV_FEATURE_PMP hw/riscv/virt.c: do not use RISCV_FEATURE_MMU in create_fdt_socket_cpus() target/riscv: remove RISCV_FEATURE_MMU target/riscv/cpu: remove CPUArchState::features and friends hw/riscv/virt.c | 7 +++-- target/riscv/cpu.c | 19 +++--------- target/riscv/cpu.h | 28 +++-------------- target/riscv/cpu_helper.c | 6 ++-- target/riscv/csr.c | 65 +++------------------------------------ target/riscv/machine.c | 11 +++---- target/riscv/monitor.c | 2 +- target/riscv/op_helper.c | 2 +- target/riscv/pmp.c | 8 ++--- 9 files changed, 31 insertions(+), 117 deletions(-)