From patchwork Wed Jul 3 12:34:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 13722187 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 9A2CFC2BD09 for ; Wed, 3 Jul 2024 12:37:35 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sOzDv-0001L1-R2; Wed, 03 Jul 2024 08:36:35 -0400 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 1sOzDt-0001KP-Er; Wed, 03 Jul 2024 08:36:33 -0400 Received: from out30-98.freemail.mail.aliyun.com ([115.124.30.98]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sOzDp-0001hN-P8; Wed, 03 Jul 2024 08:36:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1720010179; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=3Is2frlWsDuFRcC2QglRcyRRQRMAfxE/CHUeUk9rdA8=; b=BUWyt9qSudzPUc0EUzof31LxYWApin4GkLXy/3JuTe9Koqn99SVoDsWJ0K+78MVvpY4pfB8O3FWCX76Zs4RtmFF3IjWBsvdTTmGhFyKJiqpVRhQ7nyPK1h1yg+Mlzwka0mFGlHlWTllgXRy2f8KaE8psuBtl2u1CaFzsjzqZu04= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R201e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033037067112; MF=zhiwei_liu@linux.alibaba.com; NM=1; PH=DS; RN=9; SR=0; TI=SMTPD_---0W9mSY9-_1720010176; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@linux.alibaba.com fp:SMTPD_---0W9mSY9-_1720010176) by smtp.aliyun-inc.com; Wed, 03 Jul 2024 20:36:17 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, palmer@dabbelt.com, alistair.francis@wdc.com, dbarboza@ventanamicro.com, liwei1518@gmail.com, bmeng.cn@gmail.com, zhiwei_liu@linux.alibaba.com, TANG Tiancheng Subject: [PATCH v2 0/7] target/riscv: Expose RV32 cpu to RV64 QEMU Date: Wed, 3 Jul 2024 20:34:42 +0800 Message-Id: <20240703123449.1108-1-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Received-SPF: pass client-ip=115.124.30.98; envelope-from=zhiwei_liu@linux.alibaba.com; helo=out30-98.freemail.mail.aliyun.com X-Spam_score_int: -174 X-Spam_score: -17.5 X-Spam_bar: ----------------- X-Spam_report: (-17.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5 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 From: TANG Tiancheng This patch set aims to expose 32-bit RISC-V cpu to RV64 QEMU. Thus qemu-system-riscv64 can directly boot a RV32 Linux. This patch set has been tested with 6.9.0 Linux Image. And add an avocado test in tests/avocado. v2: Remove the line that was inadvertently left in PATCH v1 4/6. Add an avocado test. v1: https://mail.gnu.org/archive/html/qemu-riscv/2024-06/msg00501.html TANG Tiancheng (7): target/riscv: Add fw_dynamic_info32 for booting RV32 OpenSBI target/riscv: Adjust PMP size for no-MMU RV64 QEMU running RV32 target/riscv: Correct SXL return value for RV32 in RV64 QEMU target/riscv: Detect sxl to set bit width for RV32 in RV64 target/riscv: Correct mcause/scause bit width for RV32 in RV64 QEMU target/riscv: Enable RV32 CPU support in RV64 QEMU tests/avocado: Add an avocado test for riscv64 configs/targets/riscv64-softmmu.mak | 2 +- hw/riscv/boot.c | 35 +++++++++++++++++++---------- hw/riscv/sifive_u.c | 3 ++- include/hw/riscv/boot.h | 4 +++- include/hw/riscv/boot_opensbi.h | 29 ++++++++++++++++++++++++ target/riscv/cpu.c | 17 ++++++++++---- target/riscv/cpu.h | 5 ++++- target/riscv/cpu_helper.c | 25 +++++++++++++++------ target/riscv/pmp.c | 2 +- tests/avocado/boot_linux_console.py | 35 +++++++++++++++++++++++++++++ 10 files changed, 129 insertions(+), 28 deletions(-)