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| − | {{ARM/breadcrumb}}
| + | This page has been moved to the official NixOS Wiki: |
| − | == Status ==
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| − | NixOS on ARM through QEMU is possible, by using qemu-system-arm on QEMU's 'virt' machine, and the u-boot image for qemu. | + | ⇒ '''[https://wiki.nixos.org/wiki/NixOS_on_ARM/QEMU NixOS on ARM/QEMU]''' |
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| − | {{note| [[https://lists.denx.de/pipermail/u-boot/2017-October/308693.html u-boot currently requires highmem=off for PCI to work]], so you won't be able to use more than 2GB of RAM.}}
| + | ''— samueldr, Lead of NixOS on ARM.'' |
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| − | == Board-specific installation notes ==
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| − | | |
| − | === Required images ===
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| − | First get some recent <tt>sd-image-armv7l-linux.img</tt> and <tt>uboot-qemu_arm_defconfig-*_u-boot.bin</tt> as described [[NixOS_on_ARM|the main NixOS on ARM page]].
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| − | | |
| − | === Creating qcow image ===
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| − | Convert the sd card image to qcow, and resize it a bit:
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| − | | |
| − | <syntaxhighlight>
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| − | qemu-img convert -f raw -O qcow2 sd-image-armv7l-linux.img sd-image-armv7l-linux.qcow2
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| − | qemu-img resize sd-image-armv7l-linux.qcow2 +5G
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| − | </syntaxhighlight>
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| − | | |
| − | == Booting using qemu ==
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| − | The following command will boot QEMU's 'virt' machine with u-boot and the converted sdcard image, exposing four cpu cores and 2GB of RAM:
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| − | <syntaxhighlight>
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| − | qemu-system-arm -machine virt,highmem=off -bios uboot-qemu_arm_defconfig-2018.03_u-boot.bin -drive if=none,file=sd-image-armv7l-linux.qcow2,id=mydisk -device ich9-ahci,id=ahci -device ide-drive,drive=mydisk,bus=ahci.0 -netdev user,id=net0 -device virtio-net-pci,netdev=net0 -nographic -smp 4 -m 2G
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| − | U-Boot 2018.03 (Mar 13 2018 - 12:02:19 +0000)
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| − | | |
| − | DRAM: 2 GiB
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| − | WARNING: Caches not enabled
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| − | In: pl011@9000000
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| − | Out: pl011@9000000
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| − | Err: pl011@9000000
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| − | Net: No ethernet found.
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| − | Hit any key to stop autoboot: 0
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| − | scanning bus for devices...
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| − | Target spinup took 0 ms.
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| − | SATA link 1 timeout.
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| − | SATA link 2 timeout.
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| − | SATA link 3 timeout.
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| − | SATA link 4 timeout.
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| − | SATA link 5 timeout.
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| − | AHCI 0001.0000 32 slots 6 ports 1.5 Gbps 0x3f impl SATA mode
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| − | flags: 64bit ncq only
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| − | Device 0: (0:0) Vendor: ATA Prod.: QEMU HARDDISK Rev: 2.5+
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| − | Type: Hard Disk
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| − | Capacity: 7137.4 MB = 6.9 GB (14617528 x 512)
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| − | | |
| − | Device 0: (0:0) Vendor: ATA Prod.: QEMU HARDDISK Rev: 2.5+
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| − | Type: Hard Disk
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| − | Capacity: 7137.4 MB = 6.9 GB (14617528 x 512)
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| − | ... is now current device
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| − | Scanning scsi 0:1...
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| − | Found /extlinux/extlinux.conf
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| − | Retrieving file: /extlinux/extlinux.conf
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| − | 847 bytes read in 7 ms (118.2 KiB/s)
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| − | ------------------------------------------------------------
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| − | 1: NixOS - Default
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| − | Enter choice: 1: NixOS - Default
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| − | Retrieving file: /extlinux/../nixos/b44d5kfyaixzkzy780br46ls3812cfx3-initrd-initrd
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| − | 7084057 bytes read in 122 ms (55.4 MiB/s)
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| − | Retrieving file: /extlinux/../nixos/ajja3hfl2p4dadbg93rrs0zqrclisrwj-linux-4.16.1-zImage
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| − | 6550016 bytes read in 112 ms (55.8 MiB/s)
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| − | append: systemConfig=/nix/store/km910m22ibjl6rjzfjiivn2mp71d86d6-nixos-system-nixos-18.09.git.1034aa8e9cb init=/nix/store/km910m22ibjl6rjzfjiivn2mp71d86d6-nixos-system-nixos-18.09.git.1034aa8e9cb/init loglevel=7 console=ttyS0,115200n8 console=ttymxc0,115200n8 console=ttyAMA0,115200n8 console=ttyO0,115200n8 console=ttySAC2,115200n8 console=tty0
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| − | Kernel image @ 0x40400000 [ 0x000000 - 0x63f200 ]
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| − | ## Flattened Device Tree blob at 40000000
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| − | Booting using the fdt blob at 0x40000000
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| − | Using Device Tree in place at 40000000, end 40012fff
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| − | | |
| − | Starting kernel ...
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| − | [ 0.000000] Booting Linux on physical CPU 0x0
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| − | [ 0.000000] Linux version 4.16.1 (nixbld@localhost) (gcc version 7.3.0 (GCC)) #1-NixOS SMP Sun Apr 8 12:29:52 UTC 2018
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| − | [ 0.000000] CPU: ARMv7 Processor [412fc0f1] revision 1 (ARMv7), cr=10c5387d
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| − | […]
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| − | | |
| − | <<< Welcome to NixOS 18.09.git.1034aa8e9cb (armv7l) - ttyAMA0 >>>
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| − | The "root" account has an empty password.
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| − | | |
| − | Run `nixos-help` or press <Alt-F8> for the NixOS manual.
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| − | nixos login: root (automatic login)
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| − | [root@nixos:~]#
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| − | </syntaxhighlight>
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| − | {{note| first boot might take a bit longer, due to the root file system being resized to the disk size.}}
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| − | | |
| − | == QEMU AArch64 ==
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| − | | |
| − | {{expansion}}
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| − | <syntaxhighlight>
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| − | $ nix-build -A pkgsCross.aarch64-multiplatform.ubootQemuAarch64
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| − | $ qemu-system-aarch64 -nographic \
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| − | -machine virt -cpu cortex-a57 \
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| − | -bios result/u-boot.bin \
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| − | ./nixos-sd-image-21.03pre262561.581232454fd-aarch64-linux.img \
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| − | -m 4G
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| − | </syntaxhighlight>
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| − | [[Category:Virtualization]]
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