OSX-KVM - December 2021 Batch Update #1

Changes: - Create OpenCore-Boot-macOS.sh
2025-11-03 13:12:43 +00:00 · 2021-11-29 21:21:36 +05:30 · 2021-11-29 21:21:36 +05:30 · 88154b5bac
commit 88154b5bac
parent a9d0d0f697
4 changed files with 74 additions and 9 deletions
--- a/CREDITS.md
+++ b/CREDITS.md
@ -130,4 +130,6 @@

 - https://github.com/jturnism - doc fixes

+- https://github.com/gjyoung1974 - OpenCore-Boot-macOS.sh script
+
 Note: Individual files have more specific 'credits' in them.
--- a/OpenCore-Boot-macOS.sh
+++ b/OpenCore-Boot-macOS.sh
@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+
+# Special thanks to:
+# https://github.com/Leoyzen/KVM-Opencore
+# https://github.com/thenickdude/KVM-Opencore/
+# https://github.com/qemu/qemu/blob/master/docs/usb2.txt
+#
+# qemu-img create -f qcow2 mac_hdd_ng.img 128G
+#
+
+############################################################################
+# NOTE: Tweak the "MY_OPTIONS" line in case you are having booting problems!
+############################################################################
+
+MY_OPTIONS="+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check"
+
+# This script works for Big Sur, Catalina, Mojave, and High Sierra. Tested with
+# macOS 10.15.6, macOS 10.14.6, and macOS 10.13.6.
+#
+# This script supports running on a macOS host using the native HyperKit
+# hypervisor for macOS.
+
+ALLOCATED_RAM="3072" # MiB
+CPU_SOCKETS="1"
+CPU_CORES="2"
+CPU_THREADS="4"
+
+REPO_PATH="."
+OVMF_DIR="."
+
+# This causes high cpu usage on the *host* side
+# qemu-system-x86_64 -enable-kvm -m 3072 -cpu Penryn,vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,hypervisor=off,vmx=on,kvm=off,$MY_OPTIONS\
+
+# shellcheck disable=SC2054
+args=(
+  -m "$ALLOCATED_RAM" -cpu Penryn,vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,"$MY_OPTIONS"
+  -machine q35
+  -usb -device usb-kbd -device usb-tablet
+  -smp "$CPU_THREADS",cores="$CPU_CORES",sockets="$CPU_SOCKETS"
+  -device usb-ehci,id=ehci
+  # -device usb-kbd,bus=ehci.0
+  # -device usb-mouse,bus=ehci.0
+  -device nec-usb-xhci,id=xhci
+  -global nec-usb-xhci.msi=off
+  -device isa-applesmc,osk="ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc"
+  -drive if=pflash,format=raw,readonly=on,file="$REPO_PATH/$OVMF_DIR/OVMF_CODE.fd"
+  -drive if=pflash,format=raw,file="$REPO_PATH/$OVMF_DIR/OVMF_VARS-1024x768.fd"
+  -smbios type=2
+  -device ich9-intel-hda -device hda-duplex
+  -device ich9-ahci,id=sata
+  -drive id=OpenCoreBoot,if=none,snapshot=on,format=qcow2,file="$REPO_PATH/OpenCore/OpenCore.qcow2"
+  -device ide-hd,bus=sata.2,drive=OpenCoreBoot
+  -device ide-hd,bus=sata.3,drive=InstallMedia
+  -drive id=InstallMedia,if=none,file="$REPO_PATH/BaseSystem.img",format=raw
+  -drive id=MacHDD,if=none,file="$REPO_PATH/mac_hdd_ng.img",format=qcow2
+  -device ide-hd,bus=sata.4,drive=MacHDD
+  # -netdev tap,id=net0,ifname=tap0,script=no,downscript=no -device virtio-net-pci,netdev=net0,id=net0,mac=52:54:00:c9:18:27
+  -netdev user,id=net0 -device virtio-net-pci,netdev=net0,id=net0,mac=52:54:00:c9:18:27
+  -monitor stdio
+  -device VGA,vgamem_mb=128
+  -M accel=hvf
+)
+
+qemu-system-x86_64 "${args[@]}"
--- a/OpenCore-Boot.sh
+++ b/OpenCore-Boot.sh
@ -16,7 +16,7 @@
 MY_OPTIONS="+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check"

 # This script works for Big Sur, Catalina, Mojave, and High Sierra. Tested with
-# macOS 10.15.6, macOS 10.14.6, and macOS 10.13.6
+# macOS 10.15.6, macOS 10.14.6, and macOS 10.13.6.

 ALLOCATED_RAM="3072" # MiB
 CPU_SOCKETS="1"
@ -38,7 +38,8 @@ args=(
  -device usb-ehci,id=ehci
  # -device usb-kbd,bus=ehci.0
  # -device usb-mouse,bus=ehci.0
-  # -device nec-usb-xhci,id=xhci
+  -device nec-usb-xhci,id=xhci
+  -global nec-usb-xhci.msi=off
  -device isa-applesmc,osk="ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc"
  -drive if=pflash,format=raw,readonly=on,file="$REPO_PATH/$OVMF_DIR/OVMF_CODE.fd"
  -drive if=pflash,format=raw,file="$REPO_PATH/$OVMF_DIR/OVMF_VARS-1024x768.fd"
@ -51,8 +52,8 @@ args=(
  -drive id=InstallMedia,if=none,file="$REPO_PATH/BaseSystem.img",format=raw
  -drive id=MacHDD,if=none,file="$REPO_PATH/mac_hdd_ng.img",format=qcow2
  -device ide-hd,bus=sata.4,drive=MacHDD
-  # -netdev tap,id=net0,ifname=tap0,script=no,downscript=no -device vmxnet3,netdev=net0,id=net0,mac=52:54:00:c9:18:27
-  -netdev user,id=net0 -device vmxnet3,netdev=net0,id=net0,mac=52:54:00:c9:18:27
+  # -netdev tap,id=net0,ifname=tap0,script=no,downscript=no -device virtio-net-pci,netdev=net0,id=net0,mac=52:54:00:c9:18:27
+  -netdev user,id=net0 -device virtio-net-pci,netdev=net0,id=net0,mac=52:54:00:c9:18:27
  -monitor stdio
  -device VGA,vgamem_mb=128
 )
--- a/notes.md
+++ b/notes.md
@ -24,14 +24,9 @@ index 4754e8c..489570f 100644
 --- a/OpenCore/config.plist
 +++ b/OpenCore/config.plist
@@ -692,7 +692,7 @@
-                        <key>ConsoleMode</key>
-                        <string></string>
                        <key>Resolution</key>
 -                       <string>Max</string>
 +                       <string>1920x1080</string>
-                        <key>ClearScreenOnModeSwitch</key>
-                        <false/>
-                        <key>IgnoreTextInGraphics</key>
 ```

 Ensure that the OVMF resolution is set equal to resolution set in your OpenCore
@ -44,6 +39,9 @@ desired value (default is 1024x768). Commit changes and exit the OVMF menu.
 Note: The macOS VM's resolution can be changed via `Settings -> Displays`
 option easily.

+Note: After changing the `config.plist` file, please regenerate the
+`OpenCore.qcow2` file using the instructions included in this repository.
+

 ### GPU passthrough notes