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KVM RISCV64 on Spike
Anup Patel edited this page Apr 13, 2024
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Currently, we can boot RISC-V 64bit SMP Guest using KVM RISC-V on Spike.
To achieve this, we need following components:
- Spike Simulator
- OpenSBI Firmware
- Common Host & Guest Kernel
- KVM RISC-V module
- KVMTOOL
- Host RootFS with KVM RISC-V module, KVMTOOL and Guest Kernel
The below sub-sections provide detailed steps to build and run RISC-V KVM on QEMU. All components except QEMU require a RISC-V 64bit cross-compiler so for we use Linux multilib toolchain from RISC-V GNU Compiler Toolchain project (Refer, https://github.com/riscv/riscv-gnu-toolchain). If you have a different RISC-V 64bit cross-compiler then set CROSS_COMPILE environment variable appropriately in steps below.
git clone https://github.com/riscv/riscv-isa-sim.git
cd riscv-isa-sim
./configure
make
cd ..
The above commands will create ./riscv-isa-sim/spike which will be our Spike simulator.
git clone https://github.com/riscv/opensbi.git
cd opensbi
export CROSS_COMPILE=riscv64-unknown-linux-gnu-
make PLATFORM=generic
cd ..
The above commands will create opensbi/build/platform/generic/firmware/fw_jump.elf which will be our M-mode runtime firmware.
We can use same RISC-V 64bit Linux kernel as Guest and Host kernel so no need to compile them separately.
git clone https://github.com/kvm-riscv/linux.git
export ARCH=riscv
export CROSS_COMPILE=riscv64-unknown-linux-gnu-
mkdir build-riscv64
make -C linux O=`pwd`/build-riscv64 defconfig
make -C linux O=`pwd`/build-riscv64
The above commands will create:
-
build-riscv64/arch/riscv/boot/Imagewhich will be our Guest and Host kernel -
build-riscv64/arch/riscv/kvm/kvm.kowhich will be our KVM RISC-V module
We need libfdt library in the cross-compile toolchain for compiling KVMTOOL RISC-V (described in next step). The libfdt library is generally not available in the cross-compile toolchain so we need to explicitly compile libfdt from DTC project and add it to CROSS_COMPILE SYSROOT directory.
git clone git://git.kernel.org/pub/scm/utils/dtc/dtc.git
cd dtc
export ARCH=riscv
export CROSS_COMPILE=riscv64-unknown-linux-gnu-
export CC="${CROSS_COMPILE}gcc -mabi=lp64d -march=rv64gc"
TRIPLET=$($CC -dumpmachine)
SYSROOT=$($CC -print-sysroot)
make libfdt
make NO_PYTHON=1 NO_YAML=1 DESTDIR=$SYSROOT PREFIX=/usr LIBDIR=/usr/lib64/lp64d install-lib install-includes
cd ..
The above commands will install cross-compiled libfdt library at $SYSROOT/usr/lib64/lp64d directory of cross-compile toolchain.
git clone https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git
export ARCH=riscv
export CROSS_COMPILE=riscv64-unknown-linux-gnu-
cd kvmtool
make lkvm-static
${CROSS_COMPILE}strip lkvm-static
cd ..
The above commands will create kvmtool/lkvm-static which will be our user-space tool for KVM RISC-V.
export ARCH=riscv
export CROSS_COMPILE=riscv64-unknown-linux-gnu-
git clone https://github.com/kvm-riscv/howto.git
wget https://busybox.net/downloads/busybox-1.33.1.tar.bz2
tar -C . -xvf ./busybox-1.33.1.tar.bz2
mv ./busybox-1.33.1 ./busybox-1.33.1-kvm-riscv64
cp -f ./howto/configs/busybox-1.33.1_defconfig busybox-1.33.1-kvm-riscv64/.config
make -C busybox-1.33.1-kvm-riscv64 oldconfig
make -C busybox-1.33.1-kvm-riscv64 install
mkdir -p busybox-1.33.1-kvm-riscv64/_install/etc/init.d
mkdir -p busybox-1.33.1-kvm-riscv64/_install/dev
mkdir -p busybox-1.33.1-kvm-riscv64/_install/proc
mkdir -p busybox-1.33.1-kvm-riscv64/_install/sys
mkdir -p busybox-1.33.1-kvm-riscv64/_install/apps
ln -sf /sbin/init busybox-1.33.1-kvm-riscv64/_install/init
cp -f ./howto/configs/busybox/fstab busybox-1.33.1-kvm-riscv64/_install/etc/fstab
cp -f ./howto/configs/busybox/rcS busybox-1.33.1-kvm-riscv64/_install/etc/init.d/rcS
cp -f ./howto/configs/busybox/motd busybox-1.33.1-kvm-riscv64/_install/etc/motd
cp -f ./kvmtool/lkvm-static busybox-1.33.1-kvm-riscv64/_install/apps
cp -f ./build-riscv64/arch/riscv/boot/Image busybox-1.33.1-kvm-riscv64/_install/apps
cp -f ./build-riscv64/arch/riscv/kvm/kvm.ko busybox-1.33.1-kvm-riscv64/_install/apps
cd busybox-1.33.1-kvm-riscv64/_install; find ./ | cpio -o -H newc > ../../rootfs_kvm_riscv64.img; cd -
The above commands will create rootfs_kvm_riscv64.img which will be our Host RootFS containing KVMTOOL and Guest Linux.
Run Host Linux with Host RootFS on Spike
./riscv-isa-sim/spike -m512 --isa rv64gch_zicntr_zihpm --kernel ./build-riscv64/arch/riscv/boot/Image --initrd ./rootfs_kvm_riscv64.img opensbi/build/platform/generic/firmware/fw_jump.elf
Insert the KVM RISC-V module
insmod apps/kvm.ko
Run Guest Linux using KVMTOOL after the KVM RISC-V module is inserted
./apps/lkvm-static run -m 128 -c2 --console serial -p "console=ttyS0 earlycon" -k ./apps/Image --debug
anup@anup-ubuntu64:~/Work/riscv-test/kvm-riscv$ ./riscv-isa-sim/spike -m512 --isa rv64gch --kernel ./build-riscv64/arch/riscv/boot/Image --initrd ./rootfs_kvm_riscv64.img opensbi/build/platform/generic/firmware/fw_jump.elf
OpenSBI v0.8-6-gec1abf6
____ _____ ____ _____
/ __ \ / ____| _ \_ _|
| | | |_ __ ___ _ __ | (___ | |_) || |
| | | | '_ \ / _ \ '_ \ \___ \| _ < | |
| |__| | |_) | __/ | | |____) | |_) || |_
\____/| .__/ \___|_| |_|_____/|____/_____|
| |
|_|
Platform Name : ucbbar,spike-bare
Platform Features : timer,mfdeleg
Platform HART Count : 1
Boot HART ID : 0
Boot HART ISA : rv64imafdcsuh
BOOT HART Features : pmp,scounteren,mcounteren
BOOT HART PMP Count : 16
Firmware Base : 0x80000000
Firmware Size : 92 KB
Runtime SBI Version : 0.2
MIDELEG : 0x0000000000001666
MEDELEG : 0x0000000000f0b509
PMP0 : 0x0000000080000000-0x000000008001ffff (A)
PMP1 : 0x0000000000000000-0x01ffffffffffffff (A,R,W,X)
[ 0.000000] OF: fdt: Ignoring memory range 0x80000000 - 0x80200000
[ 0.000000] Linux version 5.8.0-rc4-00022-g906eafa224e2 (anup@anup-ubuntu64-vm) (riscv64-unknown-linux-gnu-gcc (GCC) 9.2.0, GNU ld (GNU Binutils) 2.34) #1 SMP Fri Jul 24 19:10:43 IST 2020
[ 0.000000] earlycon: sbi0 at I/O port 0x0 (options '')
[ 0.000000] printk: bootconsole [sbi0] enabled
[ 0.000000] Initial ramdisk at: 0x(____ptrval____) (29944320 bytes)
[ 0.000000] Zone ranges:
[ 0.000000] DMA32 [mem 0x0000000080200000-0x000000009fffffff]
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000080200000-0x000000009fffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000080200000-0x000000009fffffff]
[ 0.000000] software IO TLB: mapped [mem 0x99c6e000-0x9dc6e000] (64MB)
[ 0.000000] SBI specification v0.2 detected
[ 0.000000] SBI implementation ID=0x1 Version=0x8
[ 0.000000] SBI v0.2 TIME extension detected
[ 0.000000] SBI v0.2 IPI extension detected
[ 0.000000] SBI v0.2 RFENCE extension detected
[ 0.000000] SBI v0.2 HSM extension detected
[ 0.000000] riscv: ISA extensions acdfhim
[ 0.000000] riscv: ELF capabilities acdfim
[ 0.000000] percpu: Embedded 17 pages/cpu s31704 r8192 d29736 u69632
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 128775
[ 0.000000] Kernel command line: root=/dev/ram console=hvc0 earlycon=sbi
[ 0.000000] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes, linear)
[ 0.000000] Sorting __ex_table...
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] Memory: 401948K/522240K available (6456K kernel code, 4177K rwdata, 4096K rodata, 226K init, 323K bss, 120292K reserved, 0K cma-reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] rcu: Hierarchical RCU implementation.
[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=1.
[ 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=1
[ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[ 0.000000] riscv-intc: 64 local interrupts mapped
[ 0.000000] riscv_timer_init_dt: Registering clocksource cpuid [0] hartid [0]
[ 0.000000] clocksource: riscv_clocksource: mask: 0xffffffffffffffff max_cycles: 0x24e6a1710, max_idle_ns: 440795202120 ns
[ 0.000005] sched_clock: 64 bits at 10MHz, resolution 100ns, wraps every 4398046511100ns
[ 0.000540] Console: colour dummy device 80x25
[ 0.000805] printk: console [hvc0] enabled
[ 0.000805] printk: console [hvc0] enabled
[ 0.001290] printk: bootconsole [sbi0] disabled
[ 0.001290] printk: bootconsole [sbi0] disabled
[ 0.001835] Calibrating delay loop (skipped), value calculated using timer frequency.. 20.00 BogoMIPS (lpj=40000)
[ 0.002440] pid_max: default: 32768 minimum: 301
[ 0.002785] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes, linear)
[ 0.003220] Mountpoint-cache hash table entries: 1024 (order: 1, 8192 bytes, linear)
[ 0.004530] rcu: Hierarchical SRCU implementation.
[ 0.005120] smp: Bringing up secondary CPUs ...
[ 0.005390] smp: Brought up 1 node, 1 CPU
[ 0.005785] devtmpfs: initialized
[ 0.006270] random: get_random_u32 called from bucket_table_alloc.isra.0+0x4e/0x154 with crng_init=0
[ 0.006440] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.007540] futex hash table entries: 256 (order: 2, 16384 bytes, linear)
[ 0.008100] NET: Registered protocol family 16
[ 0.014575] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[ 0.015595] vgaarb: loaded
[ 0.015900] SCSI subsystem initialized
[ 0.016310] usbcore: registered new interface driver usbfs
[ 0.016685] usbcore: registered new interface driver hub
[ 0.017015] usbcore: registered new device driver usb
[ 0.017710] clocksource: Switched to clocksource riscv_clocksource
[ 0.021500] NET: Registered protocol family 2
[ 0.022100] tcp_listen_portaddr_hash hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.022595] TCP established hash table entries: 4096 (order: 3, 32768 bytes, linear)
[ 0.023100] TCP bind hash table entries: 4096 (order: 4, 65536 bytes, linear)
[ 0.023570] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.023970] UDP hash table entries: 256 (order: 1, 8192 bytes, linear)
[ 0.024365] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes, linear)
[ 0.024825] NET: Registered protocol family 1
[ 0.025375] RPC: Registered named UNIX socket transport module.
[ 0.025775] RPC: Registered udp transport module.
[ 0.026055] RPC: Registered tcp transport module.
[ 0.026335] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.026715] PCI: CLS 0 bytes, default 64
[ 0.027030] Unpacking initramfs...
[ 0.076440] Freeing initrd memory: 29240K
[ 0.076735] kvm [1]: hypervisor extension available
[ 0.077025] kvm [1]: host has 0 VMID bits
[ 0.077605] workingset: timestamp_bits=62 max_order=17 bucket_order=0
[ 0.082610] NFS: Registering the id_resolver key type
[ 0.082915] Key type id_resolver registered
[ 0.083165] Key type id_legacy registered
[ 0.083410] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 0.083870] 9p: Installing v9fs 9p2000 file system support
[ 0.084330] NET: Registered protocol family 38
[ 0.084605] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[ 0.085040] io scheduler mq-deadline registered
[ 0.085310] io scheduler kyber registered
[ 0.105845] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 0.106725] [drm] radeon kernel modesetting enabled.
[ 0.110175] loop: module loaded
[ 0.110745] libphy: Fixed MDIO Bus: probed
[ 0.111330] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[ 0.111675] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[ 0.112065] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.112450] ehci-pci: EHCI PCI platform driver
[ 0.112730] ehci-platform: EHCI generic platform driver
[ 0.113060] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 0.113425] ohci-pci: OHCI PCI platform driver
[ 0.113750] ohci-platform: OHCI generic platform driver
[ 0.114205] usbcore: registered new interface driver uas
[ 0.114540] usbcore: registered new interface driver usb-storage
[ 0.114960] mousedev: PS/2 mouse device common for all mice
[ 0.115505] usbcore: registered new interface driver usbhid
[ 0.115835] usbhid: USB HID core driver
[ 0.116460] NET: Registered protocol family 10
[ 0.117030] Segment Routing with IPv6
[ 0.117280] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 0.117940] NET: Registered protocol family 17
[ 0.118300] 9pnet: Installing 9P2000 support
[ 0.118575] Key type dns_resolver registered
[ 0.119220] Freeing unused kernel memory: 224K
[ 0.129795] Run /init as init process
_ _
| ||_|
| | _ ____ _ _ _ _
| || | _ \| | | |\ \/ /
| || | | | | |_| |/ \
|_||_|_| |_|\____|\_/\_/
Busybox Rootfs
Please press Enter to activate this console.
/ # ^[[47;5R
/ # ^[[47;5Rcat /proc/cpuinfo
cat /proc/cpuinfo
processor : 0
hart : 0
isa : rv64imafdch
mmu : sv48
/ # ^[[47;5Rcat /proc/interrupts
cat /proc/interrupts
CPU0
5: 82 RISC-V INTC 5 riscv-timer
IPI0: 0 Rescheduling interrupts
IPI1: 0 Function call interrupts
IPI2: 0 CPU stop interrupts
/ # ^[[47;5R
/ # ^[[47;5R./apps/lkvm-static run -m 128 -c2 --console serial -p "console=ttyS0 earlycon=sbi" -k ./apps/Image --debug
./apps/lkvm-static run -m 128 -c2 --console serial -p "console=ttyS0 earlyco
n=sbi" -k ./apps/Image --debug
# lkvm run -k ./apps/Image -m 128 -c 2 --name guest-46
Info: (riscv/kvm.c) kvm__arch_load_kernel_image:115: Loaded kernel to 0x80200000 (17180396 bytes)
Info: (riscv/kvm.c) kvm__arch_load_kernel_image:126: Placing fdt at 0x81800000 - 0x87ffffff
# Warning: The maximum recommended amount of VCPUs is 1
Info: (virtio/mmio.c) virtio_mmio_init:325: virtio-mmio.devices=0x200@0x10000000:5
Info: (virtio/mmio.c) virtio_mmio_init:325: virtio-mmio.devices=0x200@0x10000200:6
Info: (virtio/mmio.c) virtio_mmio_init:325: virtio-mmio.devices=0x200@0x10000400:7
[ 0.000000] OF: fdt: Ignoring memory range 0x80000000 - 0x80200000
[ 0.000000] Linux version 5.8.0-rc4-00022-g906eafa224e2 (anup@anup-ubuntu64-vm) (riscv64-unknown-linux-gnu-gcc (GCC) 9.2.0, GNU ld (GNU Binutils) 2.34) #1 SMP Fri Jul 24 19:10:43 IST 2020
[ 0.000000] earlycon: sbi0 at I/O port 0x0 (options '')
[ 0.000000] printk: bootconsole [sbi0] enabled
[ 0.000000] initrd not found or empty - disabling initrd
[ 0.000000] Zone ranges:
[ 0.000000] DMA32 [mem 0x0000000080200000-0x0000000087ffffff]
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000080200000-0x0000000087ffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000080200000-0x0000000087ffffff]
[ 0.000000] software IO TLB: mapped [mem 0x83e3b000-0x87e3b000] (64MB)
[ 0.000000] SBI specification v0.1 detected
[ 0.000000] riscv: ISA extensions acdfim
[ 0.000000] riscv: ELF capabilities acdfim
[ 0.000000] percpu: Embedded 17 pages/cpu s31704 r8192 d29736 u69632
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 31815
[ 0.000000] Kernel command line: console=ttyS0 rw rootflags=trans=virtio,version=9p2000.L,cache=loose rootfstype=9p init=/virt/init ip=dhcp console=ttyS0 earlycon=sbi
[ 0.000000] Dentry cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)
[ 0.000000] Sorting __ex_table...
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] Memory: 43852K/129024K available (6456K kernel code, 4177K rwdata, 4096K rodata, 226K init, 323K bss, 85172K reserved, 0K cma-reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[ 0.000000] rcu: Hierarchical RCU implementation.
[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
[ 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] riscv-intc: 64 local interrupts mapped
[ 0.000000] plic: interrupt-controller@0c000000: mapped 1024 interrupts with 2 handlers for 4 contexts.
[ 0.000000] riscv_timer_init_dt: Registering clocksource cpuid [0] hartid [1]
[ 0.000000] clocksource: riscv_clocksource: mask: 0xffffffffffffffff max_cycles: 0x24e6a1710, max_idle_ns: 440795202120 ns
[ 0.000015] sched_clock: 64 bits at 10MHz, resolution 100ns, wraps every 4398046511100ns
[ 0.006745] Console: colour dummy device 80x25
[ 0.008065] Calibrating delay loop (skipped), value calculated using timer frequency.. 20.00 BogoMIPS (lpj=40000)
[ 0.015210] pid_max: default: 32768 minimum: 301
[ 0.020780] Mount-cache hash table entries: 512 (order: 0, 4096 bytes, linear)
[ 0.022885] Mountpoint-cache hash table entries: 512 (order: 0, 4096 bytes, linear)
[ 0.031695] rcu: Hierarchical SRCU implementation.
[ 0.037715] smp: Bringing up secondary CPUs ...
[ 0.039850] smp: Brought up 1 node, 2 CPUs
[ 0.056535] devtmpfs: initialized
[ 0.065370] random: get_random_u32 called from bucket_table_alloc.isra.0+0x4e/0x154 with crng_init=0
[ 0.080845] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.083665] futex hash table entries: 512 (order: 3, 32768 bytes, linear)
[ 0.093070] NET: Registered protocol family 16
[ 0.132545] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[ 0.136970] vgaarb: loaded
[ 0.138010] SCSI subsystem initialized
[ 0.144945] usbcore: registered new interface driver usbfs
[ 0.146575] usbcore: registered new interface driver hub
[ 0.148175] usbcore: registered new device driver usb
[ 0.168580] clocksource: Switched to clocksource riscv_clocksource
[ 0.181160] NET: Registered protocol family 2
[ 0.183125] tcp_listen_portaddr_hash hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.185790] TCP established hash table entries: 1024 (order: 1, 8192 bytes, linear)
[ 0.188045] TCP bind hash table entries: 1024 (order: 2, 16384 bytes, linear)
[ 0.190425] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.192785] UDP hash table entries: 256 (order: 1, 8192 bytes, linear)
[ 0.194700] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes, linear)
[ 0.197155] NET: Registered protocol family 1
[ 0.209480] RPC: Registered named UNIX socket transport module.
[ 0.211195] RPC: Registered udp transport module.
[ 0.212835] RPC: Registered tcp transport module.
[ 0.214200] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.216065] PCI: CLS 0 bytes, default 64
[ 0.217890] kvm [1]: hypervisor extension not available
[ 0.232510] workingset: timestamp_bits=62 max_order=14 bucket_order=0
[ 0.245060] NFS: Registering the id_resolver key type
[ 0.246540] Key type id_resolver registered
[ 0.247755] Key type id_legacy registered
[ 0.249270] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 0.251505] 9p: Installing v9fs 9p2000 file system support
[ 0.253445] NET: Registered protocol family 38
[ 0.254745] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[ 0.257225] io scheduler mq-deadline registered
[ 0.258540] io scheduler kyber registered
[ 0.260420] pci-host-generic 30000000.pci: host bridge /smb/pci ranges:
[ 0.262495] pci-host-generic 30000000.pci: IO 0x0000000000..0x000000ffff -> 0x0000000000
[ 0.265345] pci-host-generic 30000000.pci: MEM 0x0040000000..0x007fffffff -> 0x0040000000
[ 0.267900] pci-host-generic 30000000.pci: ECAM at [mem 0x30000000-0x3fffffff] for [bus 00-01]
[ 0.270585] pci-host-generic 30000000.pci: PCI host bridge to bus 0000:00
[ 0.272750] pci_bus 0000:00: root bus resource [bus 00-01]
[ 0.274345] pci_bus 0000:00: root bus resource [io 0x0000-0xffff]
[ 0.276140] pci_bus 0000:00: root bus resource [mem 0x40000000-0x7fffffff]
[ 0.447025] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 0.450325] printk: console [ttyS0] disabled
[ 0.451585] 3f8.U6_16550A: ttyS0 at MMIO 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 0.454300] printk: console [ttyS0] enabled
[ 0.454300] printk: console [ttyS0] enabled
[ 0.457820] printk: bootconsole [sbi0] disabled
[ 0.457820] printk: bootconsole [sbi0] disabled
[ 0.462045] 2f8.U6_16550A: ttyS1 at MMIO 0x2f8 (irq = 6, base_baud = 115200) is a 16550A
[ 0.466605] 3e8.U6_16550A: ttyS2 at MMIO 0x3e8 (irq = 7, base_baud = 115200) is a 16550A
[ 0.471185] 2e8.U6_16550A: ttyS3 at MMIO 0x2e8 (irq = 8, base_baud = 115200) is a 16550A
[ 0.475845] [drm] radeon kernel modesetting enabled.
[ 0.488970] loop: module loaded
[ 0.497115] libphy: Fixed MDIO Bus: probed
[ 0.503110] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[ 0.506215] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[ 0.509355] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.512500] ehci-pci: EHCI PCI platform driver
[ 0.514835] ehci-platform: EHCI generic platform driver
[ 0.517625] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 0.520780] ohci-pci: OHCI PCI platform driver
[ 0.522920] ohci-platform: OHCI generic platform driver
[ 0.536735] usbcore: registered new interface driver uas
[ 0.539300] usbcore: registered new interface driver usb-storage
[ 0.542665] mousedev: PS/2 mouse device common for all mice
[ 0.552835] usbcore: registered new interface driver usbhid
[ 0.555470] usbhid: USB HID core driver
[ 0.558120] NET: Registered protocol family 10
[ 0.565200] Segment Routing with IPv6
[ 0.566995] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 0.570500] NET: Registered protocol family 17
[ 0.573035] 9pnet: Installing 9P2000 support
[ 0.576810] Key type dns_resolver registered
[ 0.596695] Sending DHCP requests ., OK
[ 0.599110] IP-Config: Got DHCP answer from 192.168.33.1, my address is 192.168.33.15
[ 0.602935] IP-Config: Complete:
[ 0.604695] device=eth0, hwaddr=02:15:15:15:15:15, ipaddr=192.168.33.15, mask=255.255.255.0, gw=192.168.33.1
[ 0.609795] host=192.168.33.15, domain=, nis-domain=(none)
[ 0.612785] bootserver=192.168.33.1, rootserver=0.0.0.0, rootpath=
[ 0.612790] nameserver0=192.168.33.1
[ 0.620275] VFS: Mounted root (9p filesystem) on device 0:15.
[ 0.623735] devtmpfs: mounted
[ 0.625975] Freeing unused kernel memory: 224K
[ 0.640940] Run /virt/init as init process
Mounting...
/ # ^[[47;5R
/ # ^[[47;5Rcat /proc/cpuinfo
cat /proc/cpuinfo
[ 1.267070] random: fast init done
processor : 0
hart : 1
isa : rv64imafdc
mmu : sv48
processor : 1
hart : 0
isa : rv64imafdc
mmu : sv48
/ # ^[[47;5Rcat /proc/interrupts
cat /proc/interrupts
CPU0 CPU1
1: 117 0 SiFive PLIC 5 virtio0
2: 145 0 SiFive PLIC 6 virtio1
3: 5 0 SiFive PLIC 7 virtio2
4: 14 0 SiFive PLIC 1 ttyS0
5: 180 174 RISC-V INTC 5 riscv-timer
IPI0: 4 18 Rescheduling interrupts
IPI1: 465 800 Function call interrupts
IPI2: 0 0 CPU stop interrupts
/ # ^[[47;5R