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 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 EBEFFC3064D for ; Tue, 2 Jul 2024 14:25:48 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sOeLs-0000if-ST; Tue, 02 Jul 2024 10:19:24 -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 1sOeLd-0000Wb-0u for qemu-devel@nongnu.org; Tue, 02 Jul 2024 10:19:12 -0400 Received: from mail-wm1-x333.google.com ([2a00:1450:4864:20::333]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sOeLZ-0007Hq-41 for qemu-devel@nongnu.org; Tue, 02 Jul 2024 10:19:07 -0400 Received: by mail-wm1-x333.google.com with SMTP id 5b1f17b1804b1-424ad991cbbso33078225e9.0 for ; Tue, 02 Jul 2024 07:19:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1719929942; x=1720534742; darn=nongnu.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=XsgGTvTlNoxE2PA6imqpfUttw4MzXq9eE6nVA8ZM0LI=; b=e0YjmpYC6cfPMwVGxqnCdK5gcOZyp/a/Vs2KrmdXlqA5J9/Eaa/bc+Ezdv5wTiBAlU 40PuiZ/8HCaojifmFddZirmlachoV0JmA9UaBgmw7DRslnUn7t5siTMd9zZ3bLmQiWbQ 37bOXza2J1ZYZ46zZSmHyc/boMbhXOhkBqCjz0is92C8eP36ni6moZ/hQ6tVUPpsghNV I+mHVc1nlv8oy/a4377kCxBwKznV34JdVQ2mEPFRVUh/g8Q2YDVLIY9OJQJunPxTFD7G TjfgUeTOt212ybC4esdR3sU/iBRQ4oQqJsIdFBZ6fvG4P6uunKWXb+pfYd/v+i7B/xGZ MMYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719929942; x=1720534742; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=XsgGTvTlNoxE2PA6imqpfUttw4MzXq9eE6nVA8ZM0LI=; b=u0OJWdY/FnQ6HDJP5lrqlf/bDloWspj6m3HfTNGyxayTvxId373+jQe9q83YmeJaiG /eOs5iH6dpd7CEea8XM4Aa0IeHDJVLqUYSCcekpDTgaQ0SfrwjYCBrssA5QFj9PHHNIH 5ti35SjkjeuXZKAeb8RpVSWlIM2YjxzEHlsXahXmfOuIWHJEtLoMlIUhFOwXZRh7Sqw8 9ojcp+PDD01MLSWvNr9GHswtucS1U167cadXAyH0nQ5sWil1pG1ov0wAs+ezFvhJHbAN TH6usLv6dolPKicEusA9N7qBtppPWYDmqRaXWlZw5BWHR4FSbrgk5xhbN7kDBehdYN7Y pDCA== X-Forwarded-Encrypted: i=1; AJvYcCUydojx1R98SBYvyhT38sQnchW3kEchbePkZhxrb++KxYDaFuGsEHfKedRfSFucPUvQmHNt+VMbB7whoLimHLpF45aklmk= X-Gm-Message-State: AOJu0Yyl9ybcK3OhSP3YFtpZLIVEBs8uv/M6q1Tex9H8GZAFHdSAtwyR NUunDqrSINAi5iW8ftAA2RJcKynrljwMHxvQ7UNi4CZiLrMV5e1dSYUNcqUHP7Q= X-Google-Smtp-Source: AGHT+IHB2KW4HfFI/kszd+A6pIMVdT+U6nAPiVRQ+9IWkRYmVuR5cqGXj2SRz9QG5th+nRHL8kDA1g== X-Received: by 2002:a05:600c:4f12:b0:425:675a:d52e with SMTP id 5b1f17b1804b1-4257a02147cmr59664885e9.2.1719929942351; Tue, 02 Jul 2024 07:19:02 -0700 (PDT) Received: from [192.168.69.100] ([176.187.209.58]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4256b0c19eesm204892695e9.45.2024.07.02.07.19.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 02 Jul 2024 07:19:01 -0700 (PDT) Message-ID: Date: Tue, 2 Jul 2024 16:18:59 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/6] target/riscv: Expose RV32 cpu to RV64 QEMU To: LIU Zhiwei , 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, TANG Tiancheng References: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> Content-Language: en-US From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2a00:1450:4864:20::333; envelope-from=philmd@linaro.org; helo=mail-wm1-x333.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: 2.1.29 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 Zhiwei, On 1/7/24 05:37, LIU Zhiwei wrote: > 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. > > - Run RV64 QEMU with RV32 CPU > qemu-system-riscv64 -cpu rv32 -M virt -nographic \ > -kernel Image \ > -append "root=/dev/vda ro console=ttyS0" \ > -drive file=rootfs.ext2,format=raw,id=hd0 \ > -device virtio-blk-device,drive=hd0 -netdev user,id=net0 \ > -device virtio-net-device,netdev=net0 > > OpenSBI v1.4 > QEMU emulator version 9.0.50 (v9.0.0-1132-g7799dc2e3b) > [ 0.000000] Linux version 6.9.0 (developer@11109ca35736) (riscv32-unknown-linux-gnu-gcc (gc891d8dc23e-dirty) 13.2.0, GNU ld (GNU Binutils) 2.42) #3 SMP Fri May 31 08:42:15 UTC 2024 > [ 0.000000] random: crng init done > [ 0.000000] OF: fdt: Ignoring memory range 0x80000000 - 0x80400000 > [ 0.000000] Machine model: riscv-virtio,qemu > [ 0.000000] SBI specification v2.0 detected > [ 0.000000] SBI implementation ID=0x1 Version=0x10004 > [ 0.000000] SBI TIME extension detected > [ 0.000000] SBI IPI extension detected > [ 0.000000] SBI RFENCE extension detected > [ 0.000000] SBI SRST extension detected > [ 0.000000] SBI DBCN extension detected > [ 0.000000] efi: UEFI not found. > [ 0.000000] OF: reserved mem: 0x80000000..0x8003ffff (256 KiB) nomap non-reusable mmode_resv1@80000000 > [ 0.000000] OF: reserved mem: 0x80040000..0x8004ffff (64 KiB) nomap non-reusable mmode_resv0@80040000 > [ 0.000000] Zone ranges: > [ 0.000000] Normal [mem 0x0000000080400000-0x0000000087ffffff] > [ 0.000000] Movable zone start for each node > [ 0.000000] Early memory node ranges > [ 0.000000] node 0: [mem 0x0000000080400000-0x0000000087ffffff] > [ 0.000000] Initmem setup node 0 [mem 0x0000000080400000-0x0000000087ffffff] > [ 0.000000] On node 0, zone Normal: 1024 pages in unavailable ranges > [ 0.000000] SBI HSM extension detected > [ 0.000000] riscv: base ISA extensions acdfhim > [ 0.000000] riscv: ELF capabilities acdfim > [ 0.000000] percpu: Embedded 17 pages/cpu s37728 r8192 d23712 u69632 > [ 0.000000] Kernel command line: root=/dev/vda ro console=ttyS0 > [ 0.000000] Dentry cache hash table entries: 16384 (order: 4, 65536 bytes, linear) > [ 0.000000] Inode-cache hash table entries: 8192 (order: 3, 32768 bytes, linear) > [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 31465 > [ 0.000000] mem auto-init: stack:all(zero), heap alloc:off, heap free:off > [ 0.000000] Virtual kernel memory layout: > [ 0.000000] fixmap : 0x9c800000 - 0x9d000000 (8192 kB) > [ 0.000000] pci io : 0x9d000000 - 0x9e000000 ( 16 MB) > [ 0.000000] vmemmap : 0x9e000000 - 0xa0000000 ( 32 MB) > [ 0.000000] vmalloc : 0xa0000000 - 0xc0000000 ( 512 MB) > [ 0.000000] lowmem : 0xc0000000 - 0xc7c00000 ( 124 MB) > [ 0.000000] Memory: 95700K/126976K available (9090K kernel code, 8845K rwdata, 4096K rodata, 4231K init, 341K bss, 31276K reserved, 0K cma-reserved) > ... > Welcome to Buildroot > buildroot login: root > # cat /proc/cpuinfo > processor : 0 > hart : 0 > isa : rv32imafdch_zicbom_zicboz_zicntr_zicsr_zifencei_zihintntl_zihintpause_zihpm_zfa_zba_zbb_zbc_zbs_sstc > mmu : sv32 Please provide an Avocado test (i.e. checking /proc/cpuinfo contains "isa : rv32"). See for reference tests/avocado/boot_linux_console.py. Thanks!