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| Warning |
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If the install fails because the aarch64 QEMU package is not available from a repo, you may need to build QEMU from source. If the install succeeds, you may skip to the next section“Prepare Workspace.” |
Build QEMU for Aarch64
CentOS/Fedora/RHEL
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| Code Block |
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$ git clone https://git.qemu.org/git/qemu.git $ cd qemu $ git checkout -b v4.1.1.xlnx v4.1.1 # or later stable tag $ git submodule update --init --recursive $ ./configure --target-list=aarch64-softmmu,microblazeel-softmmu --disable-kvm --disable-xen $ make |
Add the path for the newly built aarch64 Qemu to you PATH variable in “.bashrc”, which should be $HOME/qemu/aarch64-softmmu. Otherwise you will need to
Prepare Workspace
Create a directory structure for your workspace.
| Code Block | ||
|---|---|---|
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$ export IMGCOS_ROOT=${HOME}/imagesBUILD=$HOME/centos8-dev $ mkdir -p $IMG_ROOT/{{boot,efi},$COS_BUILD/rpmbuild $COS_BUILD/images/{efi,boot} $COS_BUILD/deploy/{boot,efi/dtb/xilinx}},boot} $ export IMG_ROOT= $COS_BUILD/images $ cd $IMG_ROOT |
Download the UEFI boot image for the QEMU generic ARM model.
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|---|---|---|
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#!/bin/bash
# Install distro from an ISO onto a virtual disk image
# . runqemu-iso <distro>.iso
iso=$1
os=${iso%.iso}
size=7G
disk_img=$os.qcow2
efi_img=$os.efi
qemu-img create -f qcow2 $disk_img ${size}
qemu-img create -f qcow2 $efi_img 64M
qemu-system-aarch64 \
-cpu cortex-a53 -M virt -m 4096 -nographic -smp $(nproc) -boot d \
-drive if=pflash,format=raw,file=QEMU_EFI.img \
-drive if=pflash,format=qcow2,file=${efi_img} \
-device virtio-scsi-device \
-device scsi-cd,drive=cdrom \
-device virtio-blk-device,drive=hd0 \
-drive file=${iso},id=cdrom,media=cdrom,if=none \
-drive file=${disk_img},id=hd0,if=none | ||
The actual storage space on your SD card is less than the size on the label.
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This script creates a 7 GB image
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targeting an 8 GB SD card
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.
Create the QEMU script to boot from a QCOW2 or raw image.
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|---|---|---|
| ||
#!/bin/bash
# Boot distro from a QCOW2 or raw image
# . runqemu-img <distro>.qcow2
disk_img=$1
efi_img=${1%.*}.efi
qemu-system-aarch64 \
-cpu cortex-a53 -M virt -m 4096 -nographic -smp $(nproc) \
-drive if=pflash,format=raw,file=QEMU_EFI.img \
-drive if=pflash,format=qcow2,file=${efi_img} \
-device virtio-blk-device,drive=hd0 \
-drive file=${disk_img},id=hd0,if=none | ||
If building QEMU from source, make sure you provide the full path or add it to PATH in “.bashrc”. |
CentOS
Install CentOS on Virtual Disk from ISO
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|---|---|---|
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$ cd $IMG_ROOT $ wget http://mirrors.usc.edu/pub/linux/distributions/centos/8.0.1905/isos/aarch64/CentOS-8-aarch64-1905-dvd1.iso $ wget http://mirrors.usc.edu/pub/linux/distributions/centos/8.0.1905/isos/aarch64/CHECKSUM $ sha256sum -c CHECKSUM CentOS-8-aarch64-1905-boot.iso: OK |
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|---|---|---|
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$ . runqemu-iso CentOS-8-aarch64-1905-dvd1.iso |
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|---|---|---|
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# echo "add_drivers+=\"mmc_block sdhci-of-arasan\"" > /etc/dracut.conf.d/zcu102.conf # dracut --force |
| Warning |
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If your ZCU102 fails to boot, you can try adding all the kernel modules to the initramfs with dracut “no-hostonly” option. |
| Code Block |
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# dracut --force --no-hostonly |
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