作者：pengdonglin137@163.com

在没有aarch64架构的开发板的情况下，可以使用Qemu来模拟一个支持KVM的AArch64位的host，然后再在其上运行一个开启KVM加速的Qemu虚拟机，如下图所示：

软件版本如下：

1： x86_64上运行的是ubuntu20.04

2：qemu版本是5.1.0，ubuntu16.04，内核版本5.8，因为要编译运行在aarch64上qemu版本， 所以这里使用了ubuntu文件系统（可以参考https://www.cnblogs.com/pengdonglin137/p/9540670.html）

3和4：qemu版本是4.1.0, 内核版本5.8，为了加快虚拟机的启动速度，这里使用ramdisk文件系统

启动2的命令如下：

!/bin/bash

QEMU=/home/pengdl/work1/Qemu/qemu-5.1.0/build/bin/qemu-system-aarch64

sudo $QEMU\
-M virt,gic-version=3,virtualization=on,type=virt \
-cpu cortex-a57 -nographic -smp 8 -m 8800 \
-fsdev local,security_model=passthrough,id=fsdev0,path=/home/pengdl/kvm_study/share \
-device virtio-9p-pci,id=fs0,fsdev=fsdev0,mount_tag=hostshare \
-drive if=none,file=./ubuntu_40G.ext4,format=raw,id=hd0 -device virtio-blk-device,drive=hd0 \
-append "noinitrd root=/dev/vda rootfstype=ext4 rw" \
-kernel ./Image \
-nic tap \
-nographic

启动3和4的命令如下：

#!/bin/bash

sudo /home/pengdl/qemu-5.1.0/build/bin/qemu-system-aarch64 \
-M virt,gic-version=3,accel=kvm \
-cpu cortex-a57 -nographic -smp 2 -m 4000 \
-fsdev local,security_model=passthrough,id=fsdev0,path=/home/pengdl/share \
-device virtio-9p-pci,id=fs0,fsdev=fsdev0,mount_tag=hostshare \
-append "root=/dev/ram0 rw rootfstype=ext4 console=ttyAMA0 init=/linuxrc" \
-initrd ./ramdisk.img \
-kernel ./Image \
-nographic

AArch64的Host和Guest使用的使用了相同的内核镜像，使用arm64的默认配置编译，如果要支持ramdisk文件系统的话，还需要调整一下配置。

编译运行在x86上的qemu的命令如下：

#!/bin/bash

../configure --prefix=`pwd` \
--target-list=arm-softmmu,aarch64-softmmu,i386-softmmu,x86_64-softmmu,riscv32-softmmu,riscv64-softmmu,aarch64-linux-user,arm-linux-user,riscv64-linux-user,x86_64-linux-user \
--audio-drv-list=alsa,sdl,pa \
--enable-system \
--enable-user \
--enable-linux-user \
--enable-sdl \
--enable-vnc \
--enable-virtfs \
--enable-kvm \
--enable-fdt \
--enable-debug \
--disable-strip \
--enable-debug-tcg \
--enable-debug-info

编译运行在aarch64上的qemu的命令如下:

#!/bin/bash

../configure --prefix=`pwd` \
--target-list=aarch64-softmmu \
--enable-kvm \
--enable-virtfs

Host的启动log：

pengdl@pengdl-dell:~/kvm_study$ ./run_host.sh
[sudo] password for pengdl:
sudo tunctl -u root -t tap0
TUNSETIFF: Device or resource busy
sudo ifconfig tap0 0.0.0.0 promisc up
sudo brctl addif br0 tap0
brctl show
bridge name bridge id STP enabled interfaces
br0 8000.5e3bffd05b0b no enp3s0
tap0
[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x411fd070]
[ 0.000000] Linux version 5.8.0-g949c1b5-dirty (pengdl@pengdl-dell) (aarch64-linux-gnu-gcc (GNU Toolchain for the A-profile Architecture 8.3-2019.03 (arm-rel-8.36)) 8.3.0, GNU ld (GNU Toolchain for the A-profile Architecture 8.3-2019.03 (arm-rel-8.36)) 2.32.0.20190321) #8 SMP PREEMPT Sat Aug 29 16:32:00 CST 2020
[ 0.000000] Machine model: linux,dummy-virt
[ 0.000000] efi: UEFI not found.
[ 0.000000] cma: Reserved 32 MiB at 0x00000000fe000000
[ 0.000000] NUMA: No NUMA configuration found
[ 0.000000] NUMA: Faking a node at [mem 0x0000000040000000-0x0000000265ffffff]
[ 0.000000] NUMA: NODE_DATA [mem 0x264ebe100-0x264ebffff]
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000040000000-0x000000007fffffff]
[ 0.000000] DMA32 [mem 0x0000000080000000-0x00000000ffffffff]
[ 0.000000] Normal [mem 0x0000000100000000-0x0000000265ffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000040000000-0x0000000265ffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x0000000265ffffff]
[ 0.000000] psci: probing for conduit method from DT.
[ 0.000000] psci: PSCIv0.2 detected in firmware.
[ 0.000000] psci: Using standard PSCI v0.2 function IDs
[ 0.000000] psci: Trusted OS migration not required
[ 0.000000] percpu: Embedded 23 pages/cpu s53912 r8192 d32104 u94208
[ 0.000000] Detected PIPT I-cache on CPU0
[ 0.000000] CPU features: detected: ARM erratum 832075
[ 0.000000] CPU features: detected: GIC system register CPU interface
[ 0.000000] CPU features: detected: ARM erratum 834220
[ 0.000000] CPU features: detected: EL2 vector hardening
[ 0.000000] CPU features: kernel page table isolation forced ON by KASLR
[ 0.000000] CPU features: detected: Kernel page table isolation (KPTI)
[ 0.000000] ARM_SMCCC_ARCH_WORKAROUND_1 missing from firmware
[ 0.000000] CPU features: detected: ARM errata 1165522, 1319367, or 1530923
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 2217600
[ 0.000000] Policy zone: Normal
[ 0.000000] Kernel command line: noinitrd root=/dev/vda rootfstype=ext4 rw
[ 0.000000] Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] software IO TLB: mapped [mem 0x7bfff000-0x7ffff000] (64MB)
[ 0.000000] Memory: 8691600K/9011200K available (13628K kernel code, 2170K rwdata, 7480K rodata, 5568K init, 481K bss, 286832K reserved, 32768K cma-reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=1
[ 0.000000] rcu: Preemptible hierarchical RCU implementation.
[ 0.000000] rcu: RCU event tracing is enabled.
[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=8.
[ 0.000000] Trampoline variant of Tasks RCU enabled.
[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8
[ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[ 0.000000] GICv3: GIC: Using split EOI/Deactivate mode
[ 0.000000] GICv3: 224 SPIs implemented
[ 0.000000] GICv3: 0 Extended SPIs implemented
[ 0.000000] GICv3: Distributor has no Range Selector support
[ 0.000000] GICv3: 16 PPIs implemented
[ 0.000000] GICv3: CPU0: found redistributor 0 region 0:0x00000000080a0000
[ 0.000000] random: get_random_bytes called from start_kernel+0x314/0x4e4 with crng_init=0
[ 0.000000] arch_timer: cp15 timer(s) running at 62.50MHz (phys).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1cd42e208c, max_idle_ns: 881590405314 ns
[ 0.000644] sched_clock: 56 bits at 62MHz, resolution 16ns, wraps every 4398046511096ns
[ 0.032765] Console: colour dummy device 80x25
[ 0.046314] printk: console [tty0] enabled
[ 0.058175] Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=250000)
[ 0.058957] pid_max: default: 32768 minimum: 301
[ 0.065874] LSM: Security Framework initializing
[ 0.074522] Mount-cache hash table entries: 32768 (order: 6, 262144 bytes, linear)
[ 0.075387] Mountpoint-cache hash table entries: 32768 (order: 6, 262144 bytes, linear)
[ 0.244948] rcu: Hierarchical SRCU implementation.
[ 0.278436] EFI services will not be available.
[ 0.284762] smp: Bringing up secondary CPUs …
[ 0.299348] Detected PIPT I-cache on CPU1
[ 0.301813] GICv3: CPU1: found redistributor 1 region 0:0x00000000080c0000
[ 0.302489] CPU1: Booted secondary processor 0x0000000001 [0x411fd070]
[ 0.319962] Detected PIPT I-cache on CPU2
[ 0.320260] GICv3: CPU2: found redistributor 2 region 0:0x00000000080e0000
[ 0.320630] CPU2: Booted secondary processor 0x0000000002 [0x411fd070]
[ 0.329608] Detected PIPT I-cache on CPU3
[ 0.329919] GICv3: CPU3: found redistributor 3 region 0:0x0000000008100000
[ 0.330272] CPU3: Booted secondary processor 0x0000000003 [0x411fd070]
[ 0.338145] Detected PIPT I-cache on CPU4
[ 0.338462] GICv3: CPU4: found redistributor 4 region 0:0x0000000008120000
[ 0.338796] CPU4: Booted secondary processor 0x0000000004 [0x411fd070]
[ 0.345939] Detected PIPT I-cache on CPU5
[ 0.346283] GICv3: CPU5: found redistributor 5 region 0:0x0000000008140000
[ 0.346645] CPU5: Booted secondary processor 0x0000000005 [0x411fd070]
[ 0.353264] Detected PIPT I-cache on CPU6
[ 0.353582] GICv3: CPU6: found redistributor 6 region 0:0x0000000008160000
[ 0.353945] CPU6: Booted secondary processor 0x0000000006 [0x411fd070]
[ 0.361382] Detected PIPT I-cache on CPU7
[ 0.361703] GICv3: CPU7: found redistributor 7 region 0:0x0000000008180000
[ 0.362062] CPU7: Booted secondary processor 0x0000000007 [0x411fd070]
[ 0.363882] smp: Brought up 1 node, 8 CPUs
[ 0.368186] SMP: Total of 8 processors activated.
[ 0.368869] CPU features: detected: 32-bit EL0 Support
[ 0.369297] CPU features: detected: CRC32 instructions
[ 0.369606] CPU features: detected: 32-bit EL1 Support
[ 0.821221] CPU: All CPU(s) started at EL2
[ 0.823477] alternatives: patching kernel code
[ 1.027448] devtmpfs: initialized
[ 1.083207] KASLR enabled
[ 1.102331] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 1.103746] futex hash table entries: 2048 (order: 5, 131072 bytes, linear)
[ 1.127388] pinctrl core: initialized pinctrl subsystem
[ 1.182900] thermal_sys: Registered thermal governor 'step_wise'
[ 1.183265] thermal_sys: Registered thermal governor 'power_allocator'
[ 1.187302] DMI not present or invalid.
[ 1.233542] NET: Registered protocol family 16
[ 1.254206] DMA: preallocated 2048 KiB GFP_KERNEL pool for atomic allocations
[ 1.256317] DMA: preallocated 2048 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations
[ 1.258042] DMA: preallocated 2048 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations
[ 1.259406] audit: initializing netlink subsys (disabled)
[ 1.267903] audit: type=2000 audit(1.064:1): state=initialized audit_enabled=0 res=1
[ 1.295434] cpuidle: using governor menu
[ 1.302565] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers.
[ 1.307628] ASID allocator initialised with 32768 entries
[ 1.335554] Serial: AMBA PL011 UART driver
[ 1.700648] 9000000.pl011: ttyAMA0 at MMIO 0x9000000 (irq = 40, base_baud = 0) is a PL011 rev1
[ 1.752377] printk: console [ttyAMA0] enabled
[ 1.978236] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
[ 1.979171] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages
[ 1.980027] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[ 1.980542] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages
[ 2.031858] cryptd: max_cpu_qlen set to 1000
[ 2.092349] ACPI: Interpreter disabled.
[ 2.127002] iommu: Default domain type: Translated
[ 2.133187] vgaarb: loaded
[ 2.142466] SCSI subsystem initialized
[ 2.157615] usbcore: registered new interface driver usbfs
[ 2.159586] usbcore: registered new interface driver hub
[ 2.162663] usbcore: registered new device driver usb
[ 2.178314] pps_core: LinuxPPS API ver. 1 registered
[ 2.178897] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti giometti@linux.it
[ 2.180055] PTP clock support registered
[ 2.185497] EDAC MC: Ver: 3.0.0
[ 2.216904] FPGA manager framework
[ 2.221250] Advanced Linux Sound Architecture Driver Initialized.
[ 2.276280] clocksource: Switched to clocksource arch_sys_counter
[ 2.291661] VFS: Disk quotas dquot_6.6.0
[ 2.293107] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 2.300711] pnp: PnP ACPI: disabled
[ 2.416548] NET: Registered protocol family 2
[ 2.439861] tcp_listen_portaddr_hash hash table entries: 8192 (order: 5, 131072 bytes, linear)
[ 2.441273] TCP established hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[ 2.444354] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes, linear)
[ 2.446573] TCP: Hash tables configured (established 131072 bind 65536)
[ 2.453123] UDP hash table entries: 8192 (order: 6, 262144 bytes, linear)
[ 2.455977] UDP-Lite hash table entries: 8192 (order: 6, 262144 bytes, linear)
[ 2.464992] NET: Registered protocol family 1
[ 2.483236] RPC: Registered named UNIX socket transport module.
[ 2.484380] RPC: Registered udp transport module.
[ 2.485172] RPC: Registered tcp transport module.
[ 2.485775] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 2.486979] PCI: CLS 0 bytes, default 64
[ 2.532112] hw perfevents: enabled with armv8_pmuv3 PMU driver, 5 counters available
[ 2.536683] kvm [1]: IPA Size Limit: 44bits
[ 2.559619] kvm [1]: GICv3: no GICV resource entry
[ 2.560989] kvm [1]: disabling GICv2 emulation
[ 2.562369] kvm [1]: GIC system register CPU interface enabled
[ 2.567590] kvm [1]: vgic interrupt IRQ1
[ 2.576871] kvm [1]: Hyp mode initialized successfully
[ 2.664544] Initialise system trusted keyrings
[ 2.672429] workingset: timestamp_bits=44 max_order=22 bucket_order=0
[ 2.779069] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 2.795020] NFS: Registering the id_resolver key type
[ 2.796788] Key type id_resolver registered
[ 2.797309] Key type id_legacy registered
[ 2.798350] nfs4filelayout_init: NFSv4 File Layout Driver Registering…
[ 2.802637] 9p: Installing v9fs 9p2000 file system support
[ 2.851086] Key type asymmetric registered
[ 2.852159] Asymmetric key parser 'x509' registered
[ 2.853534] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245)
[ 2.855307] io scheduler mq-deadline registered
[ 2.856232] io scheduler kyber registered
[ 3.000025] pl061_gpio 9030000.pl061: PL061 GPIO chip registered
[ 3.027605] pci-host-generic 4010000000.pcie: host bridge /pcie@10000000 ranges:
[ 3.031306] pci-host-generic 4010000000.pcie: IO 0x003eff0000..0x003effffff -> 0x0000000000
[ 3.034007] pci-host-generic 4010000000.pcie: MEM 0x0010000000..0x003efeffff -> 0x0010000000
[ 3.035145] pci-host-generic 4010000000.pcie: MEM 0x8000000000..0xffffffffff -> 0x8000000000
[ 3.039907] pci-host-generic 4010000000.pcie: ECAM at [mem 0x4010000000-0x401fffffff] for [bus 00-ff]
[ 3.046667] pci-host-generic 4010000000.pcie: PCI host bridge to bus 0000:00
[ 3.048319] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 3.049140] pci_bus 0000:00: root bus resource [io 0x0000-0xffff]
[ 3.049761] pci_bus 0000:00: root bus resource [mem 0x10000000-0x3efeffff]
[ 3.050498] pci_bus 0000:00: root bus resource [mem 0x8000000000-0xffffffffff]
[ 3.056262] pci 0000:00:00.0: [1b36:0008] type 00 class 0x060000
[ 3.075219] pci 0000:00:01.0: [1af4:1000] type 00 class 0x020000
[ 3.076926] pci 0000:00:01.0: reg 0x10: [io 0x0000-0x001f]
[ 3.077938] pci 0000:00:01.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref]
[ 3.078590] pci 0000:00:01.0: reg 0x30: [mem 0x00000000-0x0003ffff pref]
[ 3.081461] pci 0000:00:02.0: [1af4:1009] type 00 class 0x000200
[ 3.082088] pci 0000:00:02.0: reg 0x10: [io 0x0000-0x001f]
[ 3.082717] pci 0000:00:02.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref]
[ 3.103063] pci 0000:00:01.0: BAR 6: assigned [mem 0x10000000-0x1003ffff pref]
[ 3.104961] pci 0000:00:01.0: BAR 4: assigned [mem 0x8000000000-0x8000003fff 64bit pref]
[ 3.106088] pci 0000:00:02.0: BAR 4: assigned [mem 0x8000004000-0x8000007fff 64bit pref]
[ 3.107011] pci 0000:00:01.0: BAR 0: assigned [io 0x1000-0x101f]
[ 3.107821] pci 0000:00:02.0: BAR 0: assigned [io 0x1020-0x103f]
[ 3.144695] EINJ: ACPI disabled.
[ 3.320115] virtio-pci 0000:00:01.0: enabling device (0000 -> 0003)
[ 3.331797] virtio-pci 0000:00:02.0: enabling device (0000 -> 0003)
[ 3.416986] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 3.452418] SuperH (H)SCI(F) driver initialized
[ 3.462052] msm_serial: driver initialized
[ 3.488705] cacheinfo: Unable to detect cache hierarchy for CPU 0
[ 3.570256] brd: module loaded
[ 3.711809] loop: module loaded
[ 3.761953] virtio_blk virtio0: [vda] 83886080 512-byte logical blocks (42.9 GB/40.0 GiB)
[ 3.763423] vda: detected capacity change from 0 to 42949672960
[ 3.831356] megasas: 07.714.04.00-rc1
[ 3.872631] physmap-flash 0.flash: physmap platform flash device: [mem 0x00000000-0x03ffffff]
[ 3.879193] 0.flash: Found 2 x16 devices at 0x0 in 32-bit bank. Manufacturer ID 0x000000 Chip ID 0x000000
[ 3.881828] Intel/Sharp Extended Query Table at 0x0031
[ 3.885395] Using buffer write method
[ 3.888677] physmap-flash 0.flash: physmap platform flash device: [mem 0x04000000-0x07ffffff]
[ 3.891413] 0.flash: Found 2 x16 devices at 0x0 in 32-bit bank. Manufacturer ID 0x000000 Chip ID 0x000000
[ 3.892309] Intel/Sharp Extended Query Table at 0x0031
[ 3.894367] Using buffer write method
[ 3.895564] Concatenating MTD devices:
[ 3.895983] (0): "0.flash"
[ 3.896289] (1): "0.flash"
[ 3.896637] into device "0.flash"
[ 4.028180] libphy: Fixed MDIO Bus: probed
[ 4.039052] tun: Universal TUN/TAP device driver, 1.6
[ 4.095361] thunder_xcv, ver 1.0
[ 4.096347] thunder_bgx, ver 1.0
[ 4.097240] nicpf, ver 1.0
[ 4.120362] hclge is initializing
[ 4.122235] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version
[ 4.123023] hns3: Copyright (c) 2017 Huawei Corporation.
[ 4.124933] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[ 4.125545] e1000: Copyright (c) 1999-2006 Intel Corporation.
[ 4.126679] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[ 4.127441] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[ 4.128571] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.6.0-k
[ 4.129306] igb: Copyright (c) 2007-2014 Intel Corporation.
[ 4.130460] igbvf: Intel(R) Gigabit Virtual Function Network Driver - version 2.4.0-k
[ 4.131303] igbvf: Copyright (c) 2009 - 2012 Intel Corporation.
[ 4.137429] sky2: driver version 1.30
[ 4.152199] VFIO - User Level meta-driver version: 0.3
[ 4.189422] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 4.190283] ehci-pci: EHCI PCI platform driver
[ 4.192055] ehci-platform: EHCI generic platform driver
[ 4.194908] ehci-orion: EHCI orion driver
[ 4.198429] ehci-exynos: EHCI Exynos driver
[ 4.202186] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 4.203529] ohci-pci: OHCI PCI platform driver
[ 4.205171] ohci-platform: OHCI generic platform driver
[ 4.207831] ohci-exynos: OHCI Exynos driver
[ 4.219821] usbcore: registered new interface driver usb-storage
[ 4.274446] rtc-pl031 9010000.pl031: registered as rtc0
[ 4.278287] rtc-pl031 9010000.pl031: setting system clock to 2020-11-28T10:08:15 UTC (1606558095)
[ 4.290465] i2c /dev entries driver
[ 4.384553] sdhci: Secure Digital Host Controller Interface driver
[ 4.385360] sdhci: Copyright(c) Pierre Ossman
[ 4.392513] Synopsys Designware Multimedia Card Interface Driver
[ 4.410108] sdhci-pltfm: SDHCI platform and OF driver helper
[ 4.446901] ledtrig-cpu: registered to indicate activity on CPUs
[ 4.471787] usbcore: registered new interface driver usbhid
[ 4.472576] usbhid: USB HID core driver
[ 4.551982] NET: Registered protocol family 17
[ 4.559986] 9pnet: Installing 9P2000 support
[ 4.565208] Key type dns_resolver registered
[ 4.571337] registered taskstats version 1
[ 4.572091] Loading compiled-in X.509 certificates
[ 4.618590] input: gpio-keys as /devices/platform/gpio-keys/input/input0
[ 4.637979] ALSA device list:
[ 4.639425] No soundcards found.
[ 4.662701] uart-pl011 9000000.pl011: no DMA platform data
[ 4.913598] EXT4-fs (vda): recovery complete
[ 4.919714] EXT4-fs (vda): mounted filesystem with ordered data mode. Opts: (null)
[ 4.921755] VFS: Mounted root (ext4 filesystem) on device 254:0.
[ 4.940540] devtmpfs: mounted
[ 5.054115] Freeing unused kernel memory: 5568K
[ 5.059456] Run /sbin/init as init process
[ 6.076831] random: systemd: uninitialized urandom read (16 bytes read)
[ 6.179556] random: systemd: uninitialized urandom read (16 bytes read)
[ 6.280217] systemd[1]: systemd 229 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN)
[ 6.294513] systemd[1]: Detected virtualization qemu.
[ 6.296325] systemd[1]: Detected architecture arm64.

Welcome to Ubuntu 16.04.6 LTS!

[ 6.328954] systemd[1]: Set hostname to .
[ 6.839512] random: systemd: uninitialized urandom read (16 bytes read)
[ 7.211380] random: systemd-sysv-ge: uninitialized urandom read (16 bytes read)
[ 7.358125] random: systemd-sysv-ge: uninitialized urandom read (16 bytes read)
[ 7.432198] random: systemd-gpt-aut: uninitialized urandom read (16 bytes read)
[ 9.399064] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
[ OK ] Started Dispatch Password Requests to Console Directory Watch.
[ 9.424663] systemd[1]: Listening on udev Kernel Socket.
[ OK ] Listening on udev Kernel Socket.
[ 9.443639] systemd[1]: Listening on Journal Audit Socket.
[ OK ] Listening on Journal Audit Socket.
[ 9.464302] systemd[1]: Created slice System Slice.
[ OK ] Created slice System Slice.
[ 9.480181] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[ OK ] Started Forward Password Requests to Wall Directory Watch.
[ 9.488120] systemd[1]: Reached target Paths.
[ OK ] Reached target Paths.
[ OK ] Reached target Swap.
[ OK ] Created slice User and Session Slice.
[ OK ] Reached target Slices.
[ OK ] Listening on Journal Socket.
Starting Remount Root and Kernel File Systems…
Mounting Huge Pages File System…
[ OK ] Reached target Encrypted Volumes.
Mounting Debug File System…
[ OK ] Created slice system-serial\x2dgetty.slice.
Starting Load Kernel Modules…
Mounting POSIX Message Queue File System…
Starting Set console keymap…
Starting Create Static Device Nodes in /dev…
[ OK ] Listening on Journal Socket (/dev/log).
[ OK ] Listening on udev Control Socket.
[ OK ] Listening on /dev/initctl Compatibility Named Pipe.
Mounting RPC Pipe File System…
[ OK ] Listening on Syslog Socket.
Starting Journal Service…
[ OK ] Mounted Huge Pages File System.
[ OK ] Mounted POSIX Message Queue File System.
[ OK ] Mounted Debug File System.
[ OK ] Mounted RPC Pipe File System.
[ OK ] Started Remount Root and Kernel File Systems.
[ 11.325976] systemd[1]: Started Load Kernel Modules.
[ OK ] Started Load Kernel Modules.
[ 11.564587] systemd[1]: Started Create Static Device Nodes in /dev.
[ OK ] Started Create Static Device Nodes in /dev.
[ 12.485134] systemd[1]: Starting udev Kernel Device Manager…
Starting udev Kernel Device Manager…
[ 12.564686] systemd[1]: Starting Apply Kernel Variables…
Starting Apply Kernel Variables…
[ 12.669024] systemd[1]: Mounting Configuration File System…
Mounting Configuration File System…
[ 12.796258] systemd[1]: Starting Load/Save Random Seed…
Starting Load/Save Random Seed…
[ 12.941210] systemd[1]: Starting udev Coldplug all Devices…
Starting udev Coldplug all Devices…
[ OK ] Started Journal Service.
[ OK ] Mounted Configuration File System.
[ OK ] Started Apply Kernel Variables.
[ OK ] Started Load/Save Random Seed.
[ OK ] Started udev Kernel Device Manager.
Starting Flush Journal to Persistent Storage…
[ OK ] Started Flush Journal to Persistent Storage.
[ OK ] Started Set console keymap.
[ OK ] Reached target Local File Systems (Pre).
[ OK ] Reached target Local File Systems.
Starting Set console font and keymap…
Starting Preprocess NFS configuration…
Starting Create Volatile Files and Directories…
Starting LSB: ebtables ruleset management…
Starting Raise network interfaces…
[ OK ] Started Preprocess NFS configuration.
[ OK ] Reached target NFS client services.
[ OK ] Reached target Remote File Systems (Pre).
[ OK ] Reached target Remote File Systems.
[ OK ] Started Create Volatile Files and Directories.
Starting Network Time Synchronization…
Starting Update UTMP about System Boot/Shutdown…
[ OK ] Started Network Time Synchronization.
[ OK ] Started Update UTMP about System Boot/Shutdown.
[ OK ] Reached target System Time Synchronized.
[ OK ] Started LSB: ebtables ruleset management.
[ OK ] Started udev Coldplug all Devices.
[ OK ] Reached target System Initialization.
[ OK ] Listening on Virtual machine lock manager socket.
[ OK ] Listening on D-Bus System Message Bus Socket.
[ OK ] Started Daily apt download activities.
[ OK ] Listening on RPCbind Server Activation Socket.
[ OK ] Started Daily apt upgrade and clean activities.
[ OK ] Listening on Virtual machine log manager socket.
[ OK ] Reached target Sockets.
[ OK ] Reached target Basic System.
Starting LSB: Set the CPU Frequency Scaling governor to "ondemand"…
[ OK ] Started Cgroup management daemon.
[ OK ] Started D-Bus System Message Bus.
Starting Login Service…
[ OK ] Started Daily Cleanup of Temporary Directories.
[ OK ] Reached target Timers.
[ OK ] Started Internet superserver.
Starting System Logging Service…
[ OK ] Started Regular background program processing daemon.
Starting Permit User Sessions…
[ OK ] Started Permit User Sessions.
[ OK ] Started System Logging Service.
[ OK ] Started Login Service.
Starting Set console scheme…
[ OK ] Started LSB: Set the CPU Frequency Scaling governor to "ondemand".
[ OK ] Started Set console scheme.
[ OK ] Found device /dev/ttyAMA0.
[ OK ] Started Raise network interfaces.
[ OK ] Reached target Network.
Starting /etc/rc.local Compatibility…
Starting Virtualization daemon…
Starting OpenBSD Secure Shell server…
[ OK ] Started /etc/rc.local Compatibility.
[ OK ] Started Serial Getty on ttyAMA0.
[ OK ] Started ifup for eth0.
[ OK ] Started Set console font and keymap.
[ OK ] Created slice system-getty.slice.
[ OK ] Started Getty on tty1.
[ OK ] Reached target Login Prompts.

Ubuntu 16.04.6 LTS ubuntu-arm64 ttyAMA0

ubuntu-arm64 login: [ 51.107941] libvirt-guests.sh[483]: libvirt-guests is configured not to start any guests on boot

Ubuntu 16.04.6 LTS ubuntu-arm64 ttyAMA0

ubuntu-arm64 login: pengdl
Password:
Last login: Sat Nov 28 10:09:10 UTC 2020 from 192.168.2.11 on pts/0
Welcome to Ubuntu 16.04.6 LTS (GNU/Linux 5.8.0-g949c1b5-dirty aarch64)

* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
pengdl@ubuntu-arm64:~$

Host启动log

Guest的启动log：

pengdl@ubuntu-arm64:~/virt$ ./run_virt_simple.sh
[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x411fd070]
[ 0.000000] Linux version 5.8.0-g949c1b5 (pengdl@pengdl-dell) (aarch64-linux-gnu-gcc (GNU Toolchain for the A-profile Architecture 8.3-2019.03 (arm-rel-8.36)) 8.3.0, GNU ld (GNU Toolchain for the A-profile Architecture 8.3-2019.03 (arm-rel-8.36)) 2.32.0.20190321) #9 SMP PREEMPT Sat Nov 28 13:57:53 CST 2020
[ 0.000000] Machine model: linux,dummy-virt
[ 0.000000] efi: UEFI not found.
[ 0.000000] cma: Reserved 32 MiB at 0x00000000fe000000
[ 0.000000] NUMA: No NUMA configuration found
[ 0.000000] NUMA: Faking a node at [mem 0x0000000040000000-0x0000000139ffffff]
[ 0.000000] NUMA: NODE_DATA [mem 0x139823100-0x139824fff]
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000040000000-0x000000007fffffff]
[ 0.000000] DMA32 [mem 0x0000000080000000-0x00000000ffffffff]
[ 0.000000] Normal [mem 0x0000000100000000-0x0000000139ffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000040000000-0x0000000139ffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x0000000139ffffff]
[ 0.000000] psci: probing for conduit method from DT.
[ 0.000000] psci: PSCIv1.0 detected in firmware.
[ 0.000000] psci: Using standard PSCI v0.2 function IDs
[ 0.000000] psci: Trusted OS migration not required
[ 0.000000] psci: SMC Calling Convention v1.1
[ 0.000000] percpu: Embedded 23 pages/cpu s53912 r8192 d32104 u94208
[ 0.000000] Detected PIPT I-cache on CPU0
[ 0.000000] CPU features: detected: ARM erratum 832075
[ 0.000000] CPU features: detected: GIC system register CPU interface
[ 0.000000] CPU features: detected: ARM erratum 834220
[ 0.000000] CPU features: detected: EL2 vector hardening
[ 0.000000] CPU features: kernel page table isolation forced ON by KASLR
[ 0.000000] CPU features: detected: Kernel page table isolation (KPTI)
[ 0.000000] ARM_SMCCC_ARCH_WORKAROUND_1 missing from firmware
[ 0.000000] CPU features: detected: ARM errata 1165522, 1319367, or 1530923
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1008000
[ 0.000000] Policy zone: Normal
[ 0.000000] Kernel command line: root=/dev/ram0 rw rootfstype=ext4 console=ttyAMA0 init=/linuxrc
[ 0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] software IO TLB: mapped [mem 0x7bfff000-0x7ffff000] (64MB)
[ 0.000000] Memory: 3880040K/4096000K available (13628K kernel code, 2170K rwdata, 7480K rodata, 5568K init, 481K bss, 183192K reserved, 32768K cma-reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[ 0.000000] rcu: Preemptible hierarchical RCU implementation.
[ 0.000000] rcu: RCU event tracing is enabled.
[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=2.
[ 0.000000] Trampoline variant of Tasks RCU enabled.
[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[ 0.000000] GICv3: 256 SPIs implemented
[ 0.000000] GICv3: 0 Extended SPIs implemented
[ 0.000000] GICv3: Distributor has no Range Selector support
[ 0.000000] GICv3: 16 PPIs implemented
[ 0.000000] GICv3: CPU0: found redistributor 0 region 0:0x00000000080a0000
[ 0.000000] ITS [mem 0x08080000-0x0809ffff]
[ 0.000000] ITS@0x0000000008080000: allocated 8192 Devices @134c40000 (indirect, esz 8, psz 64K, shr 1)
[ 0.000000] ITS@0x0000000008080000: allocated 8192 Interrupt Collections @134c50000 (flat, esz 8, psz 64K, shr 1)
[ 0.000000] GICv3: using LPI property table @0x0000000134c60000
[ 0.000000] GICv3: CPU0: using allocated LPI pending table @0x0000000134c70000
[ 0.000000] random: get_random_bytes called from start_kernel+0x314/0x4e4 with crng_init=0
[ 0.000000] arch_timer: cp15 timer(s) running at 62.50MHz (virt).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1cd42e208c, max_idle_ns: 881590405314 ns
[ 0.001383] sched_clock: 56 bits at 62MHz, resolution 16ns, wraps every 4398046511096ns
[ 0.046358] Console: colour dummy device 80x25
[ 0.061148] Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=250000)
[ 0.061700] pid_max: default: 32768 minimum: 301
[ 0.071669] LSM: Security Framework initializing
[ 0.081004] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)
[ 0.081399] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)
[ 0.340893] rcu: Hierarchical SRCU implementation.
[ 0.374670] Platform MSI: its@8080000 domain created
[ 0.379380] PCI/MSI: /intc@8000000/its@8080000 domain created
[ 0.382440] fsl-mc MSI: /intc@8000000/its@8080000 domain created
[ 0.403234] EFI services will not be available.
[ 0.411454] smp: Bringing up secondary CPUs …
[ 0.561006] Detected PIPT I-cache on CPU1
[ 0.566209] GICv3: CPU1: found redistributor 1 region 0:0x00000000080c0000
[ 0.577914] GICv3: CPU1: using allocated LPI pending table @0x0000000134c80000
[ 0.585068] CPU1: Booted secondary processor 0x0000000001 [0x411fd070]
[ 0.607981] smp: Brought up 1 node, 2 CPUs
[ 0.609595] SMP: Total of 2 processors activated.
[ 0.610771] CPU features: detected: 32-bit EL0 Support
[ 0.611050] CPU features: detected: CRC32 instructions
[ 0.611228] CPU features: detected: 32-bit EL1 Support
[ 1.789365] CPU: All CPU(s) started at EL1
[ 1.793025] alternatives: patching kernel code
[ 2.006124] devtmpfs: initialized
[ 2.119652] KASLR enabled
[ 2.159379] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 2.160145] futex hash table entries: 512 (order: 3, 32768 bytes, linear)
[ 2.206542] pinctrl core: initialized pinctrl subsystem
[ 2.310158] thermal_sys: Registered thermal governor 'step_wise'
[ 2.310594] thermal_sys: Registered thermal governor 'power_allocator'
[ 2.317646] DMI not present or invalid.
[ 2.382495] NET: Registered protocol family 16
[ 2.414424] DMA: preallocated 512 KiB GFP_KERNEL pool for atomic allocations
[ 2.417775] DMA: preallocated 512 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations
[ 2.418673] DMA: preallocated 512 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations
[ 2.419997] audit: initializing netlink subsys (disabled)
[ 2.439288] audit: type=2000 audit(1.748:1): state=initialized audit_enabled=0 res=1
[ 2.497350] cpuidle: using governor menu
[ 2.511647] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers.
[ 2.518128] ASID allocator initialised with 32768 entries
[ 2.581875] Serial: AMBA PL011 UART driver
[ 3.349054] 9000000.pl011: ttyAMA0 at MMIO 0x9000000 (irq = 39, base_baud = 0) is a PL011 rev1
[ 26.999120] printk: console [ttyAMA0] enabled
[ 27.641174] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
[ 27.857628] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages
[ 28.090394] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[ 28.305399] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages
[ 28.654896] cryptd: max_cpu_qlen set to 1000
[ 28.998861] ACPI: Interpreter disabled.
[ 29.216877] iommu: Default domain type: Translated
[ 29.395268] vgaarb: loaded
[ 29.503318] SCSI subsystem initialized
[ 29.663511] usbcore: registered new interface driver usbfs
[ 29.850628] usbcore: registered new interface driver hub
[ 30.031653] usbcore: registered new device driver usb
[ 30.235410] pps_core: LinuxPPS API ver. 1 registered
[ 30.395322] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti giometti@linux.it
[ 30.690381] PTP clock support registered
[ 30.833690] EDAC MC: Ver: 3.0.0
[ 30.998577] FPGA manager framework
[ 31.127671] Advanced Linux Sound Architecture Driver Initialized.
[ 31.423286] clocksource: Switched to clocksource arch_sys_counter
[ 31.631401] VFS: Disk quotas dquot_6.6.0
[ 31.762192] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 32.022156] pnp: PnP ACPI: disabled
[ 32.766149] NET: Registered protocol family 2
[ 32.953836] tcp_listen_portaddr_hash hash table entries: 2048 (order: 3, 32768 bytes, linear)
[ 33.233277] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)
[ 33.517923] TCP bind hash table entries: 32768 (order: 7, 524288 bytes, linear)
[ 33.778921] TCP: Hash tables configured (established 32768 bind 32768)
[ 34.000056] UDP hash table entries: 2048 (order: 4, 65536 bytes, linear)
[ 34.217736] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes, linear)
[ 34.473678] NET: Registered protocol family 1
[ 34.694850] RPC: Registered named UNIX socket transport module.
[ 34.898330] RPC: Registered udp transport module.
[ 35.046864] RPC: Registered tcp transport module.
[ 35.206720] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 35.417698] PCI: CLS 0 bytes, default 64
[ 35.592821] Trying to unpack rootfs image as initramfs…
[ 35.850707] rootfs image is not initramfs (no cpio magic); looks like an initrd
[ 36.558328] Freeing initrd memory: 6884K
[ 36.765112] hw perfevents: enabled with armv8_pmuv3 PMU driver, 5 counters available
[ 37.029294] kvm [1]: HYP mode not available
[ 37.526161] Initialise system trusted keyrings
[ 37.706815] workingset: timestamp_bits=44 max_order=20 bucket_order=0
[ 38.154171] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 38.377621] NFS: Registering the id_resolver key type
[ 38.542001] Key type id_resolver registered
[ 38.675978] Key type id_legacy registered
[ 38.814597] nfs4filelayout_init: NFSv4 File Layout Driver Registering…
[ 39.049946] 9p: Installing v9fs 9p2000 file system support
[ 39.329926] Key type asymmetric registered
[ 39.469029] Asymmetric key parser 'x509' registered
[ 39.634440] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 245)
[ 39.901442] io scheduler mq-deadline registered
[ 40.070621] io scheduler kyber registered
[ 40.635790] pl061_gpio 9030000.pl061: PL061 GPIO chip registered
[ 40.910372] pci-host-generic 4010000000.pcie: host bridge /pcie@10000000 ranges:
[ 41.150368] pci-host-generic 4010000000.pcie: IO 0x003eff0000..0x003effffff -> 0x0000000000
[ 41.442044] pci-host-generic 4010000000.pcie: MEM 0x0010000000..0x003efeffff -> 0x0010000000
[ 41.722355] pci-host-generic 4010000000.pcie: MEM 0x8000000000..0xffffffffff -> 0x8000000000
[ 42.023510] pci-host-generic 4010000000.pcie: ECAM at [mem 0x4010000000-0x401fffffff] for [bus 00-ff]
[ 42.322820] pci-host-generic 4010000000.pcie: PCI host bridge to bus 0000:00
[ 42.546222] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 42.721628] pci_bus 0000:00: root bus resource [io 0x0000-0xffff]
[ 42.926706] pci_bus 0000:00: root bus resource [mem 0x10000000-0x3efeffff]
[ 43.145208] pci_bus 0000:00: root bus resource [mem 0x8000000000-0xffffffffff]
[ 43.398172] pci 0000:00:00.0: [1b36:0008] type 00 class 0x060000
[ 43.709445] pci 0000:00:01.0: [1af4:1000] type 00 class 0x020000
[ 43.932014] pci 0000:00:01.0: reg 0x10: [io 0x0000-0x001f]
[ 44.136007] pci 0000:00:01.0: reg 0x14: [mem 0x00000000-0x00000fff]
[ 44.384950] pci 0000:00:01.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref]
[ 44.638255] pci 0000:00:01.0: reg 0x30: [mem 0x00000000-0x0003ffff pref]
[ 44.962257] pci 0000:00:02.0: [1af4:1009] type 00 class 0x000200
[ 45.191501] pci 0000:00:02.0: reg 0x10: [io 0x0000-0x003f]
[ 45.377487] pci 0000:00:02.0: reg 0x14: [mem 0x00000000-0x00000fff]
[ 45.610497] pci 0000:00:02.0: reg 0x20: [mem 0x00000000-0x00003fff 64bit pref]
[ 46.022437] pci 0000:00:01.0: BAR 6: assigned [mem 0x10000000-0x1003ffff pref]
[ 46.266731] pci 0000:00:01.0: BAR 4: assigned [mem 0x8000000000-0x8000003fff 64bit pref]
[ 46.561435] pci 0000:00:02.0: BAR 4: assigned [mem 0x8000004000-0x8000007fff 64bit pref]
[ 46.834182] pci 0000:00:01.0: BAR 1: assigned [mem 0x10040000-0x10040fff]
[ 47.052997] pci 0000:00:02.0: BAR 1: assigned [mem 0x10041000-0x10041fff]
[ 47.281511] pci 0000:00:02.0: BAR 0: assigned [io 0x1000-0x103f]
[ 47.482320] pci 0000:00:01.0: BAR 0: assigned [io 0x1040-0x105f]
[ 47.783471] EINJ: ACPI disabled.
[ 48.649646] virtio-pci 0000:00:01.0: enabling device (0000 -> 0003)
[ 49.289228] virtio-pci 0000:00:02.0: enabling device (0000 -> 0003)
[ 50.145640] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 50.457967] SuperH (H)SCI(F) driver initialized
[ 50.641611] msm_serial: driver initialized
[ 50.842824] cacheinfo: Unable to detect cache hierarchy for CPU 0
[ 51.185789] brd: module loaded
[ 51.606042] loop: module loaded
[ 51.753411] megasas: 07.714.04.00-rc1
[ 51.977651] physmap-flash 0.flash: physmap platform flash device: [mem 0x00000000-0x03ffffff]
[ 52.423763] 0.flash: Found 2 x16 devices at 0x0 in 32-bit bank. Manufacturer ID 0x000000 Chip ID 0x000000
[ 52.777664] Intel/Sharp Extended Query Table at 0x0031
[ 53.101753] Using buffer write method
[ 53.241560] physmap-flash 0.flash: physmap platform flash device: [mem 0x04000000-0x07ffffff]
[ 53.671767] 0.flash: Found 2 x16 devices at 0x0 in 32-bit bank. Manufacturer ID 0x000000 Chip ID 0x000000
[ 53.993939] Intel/Sharp Extended Query Table at 0x0031
[ 54.313237] Using buffer write method
[ 54.449232] Concatenating MTD devices:
[ 54.570813] (0): "0.flash"
[ 54.659650] (1): "0.flash"
[ 54.750486] into device "0.flash"
[ 55.197902] libphy: Fixed MDIO Bus: probed
[ 55.350195] tun: Universal TUN/TAP device driver, 1.6
[ 55.906112] thunder_xcv, ver 1.0
[ 56.014681] thunder_bgx, ver 1.0
[ 56.129925] nicpf, ver 1.0
[ 56.274579] hclge is initializing
[ 56.393536] hns3: Hisilicon Ethernet Network Driver for Hip08 Family - version
[ 56.641337] hns3: Copyright (c) 2017 Huawei Corporation.
[ 56.818026] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[ 57.053760] e1000: Copyright (c) 1999-2006 Intel Corporation.
[ 57.242432] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[ 57.432012] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[ 57.622655] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.6.0-k
[ 57.842654] igb: Copyright (c) 2007-2014 Intel Corporation.
[ 58.026316] igbvf: Intel(R) Gigabit Virtual Function Network Driver - version 2.4.0-k
[ 58.274926] igbvf: Copyright (c) 2009 - 2012 Intel Corporation.
[ 58.483903] sky2: driver version 1.30
[ 58.653135] VFIO - User Level meta-driver version: 0.3
[ 58.953767] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 59.190391] ehci-pci: EHCI PCI platform driver
[ 59.346155] ehci-platform: EHCI generic platform driver
[ 59.529804] ehci-orion: EHCI orion driver
[ 59.671415] ehci-exynos: EHCI Exynos driver
[ 59.818360] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 60.026458] ohci-pci: OHCI PCI platform driver
[ 60.178828] ohci-platform: OHCI generic platform driver
[ 60.373874] ohci-exynos: OHCI Exynos driver
[ 60.550382] usbcore: registered new interface driver usb-storage
[ 60.904094] rtc-pl031 9010000.pl031: registered as rtc0
[ 61.090456] rtc-pl031 9010000.pl031: setting system clock to 2020-11-28T10:54:20 UTC (1606560860)
[ 61.413493] i2c /dev entries driver
[ 61.802899] sdhci: Secure Digital Host Controller Interface driver
[ 62.007800] sdhci: Copyright(c) Pierre Ossman
[ 62.174121] Synopsys Designware Multimedia Card Interface Driver
[ 62.417969] sdhci-pltfm: SDHCI platform and OF driver helper
[ 62.676111] ledtrig-cpu: registered to indicate activity on CPUs
[ 62.957832] usbcore: registered new interface driver usbhid
[ 63.135888] usbhid: USB HID core driver
[ 63.485814] NET: Registered protocol family 17
[ 63.665487] 9pnet: Installing 9P2000 support
[ 63.937477] Key type dns_resolver registered
[ 64.087917] registered taskstats version 1
[ 64.234890] Loading compiled-in X.509 certificates
[ 64.521877] input: gpio-keys as /devices/platform/gpio-keys/input/input0
[ 64.778800] ALSA device list:
[ 64.901619] No soundcards found.
[ 65.056874] uart-pl011 9000000.pl011: no DMA platform data
[ 65.286934] RAMDISK: gzip image found at block 0
[ 82.174330] EXT4-fs (ram0): mounted filesystem with ordered data mode. Opts: (null)
[ 82.533586] ext4 filesystem being mounted at /root supports timestamps until 2038 (0x7fffffff)
[ 82.846611] VFS: Mounted root (ext4 filesystem) on device 1:0.
[ 83.062434] devtmpfs: mounted
[ 83.362478] Freeing unused kernel memory: 5568K
[ 83.536129] Run /linuxrc as init process

Please press Enter to activate this console.
[root@aarch64 ]# ls
bin etc linuxrc mnt root sys usr
dev lib lost+found proc sbin tmp var
[root@aarch64 ]# ls mnt
[root@aarch64 ]# mount
/dev/root on / type ext4 (rw,relatime)
devtmpfs on /dev type devtmpfs (rw,relatime,size=1940020k,nr_inodes=485005,mode=755)
proc on /proc type proc (rw,relatime)
tmpfs on /tmp type tmpfs (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
devpts on /dev/pts type devpts (rw,relatime,mode=600,ptmxmode=000)
hostshare on /root type 9p (rw,sync,dirsync,relatime,access=client,trans=virtio)
[root@aarch64 ]# cd
[root@aarch64 ~]# ls
Image demo.txt qemu-5.1.0.tar.xz ramdisk.img
[root@aarch64 ~]# Gg

Guest启动log

资源下载：

链接: https://pan.baidu.com/s/1VIIdERotJa4J-TlzpNomDA

提取码: 39fw

完。