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Diffstat (limited to 'writeups/hackintosh/libvirt-diy.md')
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diff --git a/writeups/hackintosh/libvirt-diy.md b/writeups/hackintosh/libvirt-diy.md new file mode 100644 index 0000000..48a15d5 --- /dev/null +++ b/writeups/hackintosh/libvirt-diy.md @@ -0,0 +1,99 @@ + + +Things to set/look out for: + +- "Manual Install": as OpenCore loader can only deal SATA disks, you'll have to + add the install media yourself after the creation process +- "Generic or unknown OS" +- Memory: leave about 2GB to the host +- CPUs: match or fewer than host's count +- Disk image size: create one during the process or manually after creation +- Tick "Customize configuration before install", Finish + - Click on "Apply" before leaving the view + - Chipset: Q35 + - Firmware: UEFI + - Delete the NIC, audio, tablet, usb redirection + - Change the IDE disk to SATA + - Manually edit the xml + - Change the EFI images to the non secboot variant + - Turn smm off + +```xml +<loader readonly="yes" secure="no" type="pflash">/usr/share/edk2/ovmf/OVMF_CODE.fd</loader> +<nvram template="/usr/share/OVMF/OVMF_VARS.fd"></nvram> +... +<smm state="off"/> +``` + +Start editing the XML manually. Here's the breakdown of the changes. + +Add the xmlns spec. Without this, `<qemu:commandline>` tag won't persist. +Without the tag, the xmlns spec won't persist either, so add the command line +passthrough first. + +The qemu commandline passthrough is unavoidable because it is not possible to +set up Apple SMC and custom CPU flags in Libvirt. It is also to circumvent the +issue of libvirt's mandatory use of pcie-root-ports for the Q35 machine type. +See [cloud+libvirt.md#caveats](cloud+libvirt.md#caveats) for detail. + +The PCI addresses are crafted so that they won't conflict with libvirt's +allocation. + +```xml +<domain xmlns:qemu="http://libvirt.org/schemas/domain/qemu/1.0" type="kvm"> + ... + <qemu:commandline> + <qemu:arg value="-cpu"/> + <!-- "Intel Cascade Lake-based Xeon W" of Mac Pro 2019 --> + <qemu:arg value="Cascadelake-Server-noTSX,kvm=on,vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check"/> + <qemu:arg value="-device"/> + <qemu:arg value="isa-applesmc,osk=ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc"/> + <qemu:arg value="-smbios"/> + <qemu:arg value="type=2"/> + <qemu:arg value="-device"/> + <qemu:arg value="qemu-xhci,id=xhci,addr=0x10.0x0"/> + <qemu:arg value="-device"/> + <qemu:arg value="usb-kbd,bus=xhci.0"/> + <qemu:arg value="-device"/> + <qemu:arg value="usb-tablet,bus=xhci.0"/> + <!-- + Attach the usbredir devices to a hub connected to a separate XHCI + controller so that the kernel can enumerate them. Connecting them + directly to the controller will result in kernel complaining in loop. + --> + <qemu:arg value="-device"/> + <qemu:arg value="qemu-xhci,id=usbr,addr=0x11.0x0"/> + <qemu:arg value="-device"/> + <qemu:arg value="usb-hub,bus=usbr.0,port=1"/> + <qemu:arg value="-device"/> + <qemu:arg value="usb-redir,bus=usbr.0,port=1.1,chardev=usbredirchardev1,id=usbredirdev1"/> + <qemu:arg value="-device"/> + <qemu:arg value="usb-redir,bus=usbr.0,port=1.2,chardev=usbredirchardev2,id=usbredirdev2"/> + <qemu:arg value="-device"/> + <qemu:arg value="usb-redir,bus=usbr.0,port=1.3,chardev=usbredirchardev3,id=usbredirdev3"/> + <qemu:arg value="-device"/> + <qemu:arg value="usb-redir,bus=usbr.0,port=1.4,chardev=usbredirchardev4,id=usbredirdev4"/> + <qemu:arg value="-device"/> + <!-- Paste the unique mac generated for your vm(optional) --> + <qemu:arg value="virtio-net-pci,addr=0x12.0x0,netdev=net0,id=net0,mac=44:E6:6E:4F:87:9C"/> + <qemu:arg value="-netdev"/> + <qemu:arg value="user,id=net0"/> + <qemu:arg value="-chardev"/> + <qemu:arg value="spicevmc,name=usbredir,id=usbredirchardev1"/> + <qemu:arg value="-chardev"/> + <qemu:arg value="spicevmc,name=usbredir,id=usbredirchardev2"/> + <qemu:arg value="-chardev"/> + <qemu:arg value="spicevmc,name=usbredir,id=usbredirchardev3"/> + <qemu:arg value="-chardev"/> + <qemu:arg value="spicevmc,name=usbredir,id=usbredirchardev4"/> + </qemu:commandline> +</domain> +``` + +Turn off memballoon. + +```xml +<memballoon model="none"/> +``` + +That's pretty much it! |