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OpenCore-Boot.sh
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OpenCore-Boot.sh
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#!/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
#
# echo 1 > /sys/module/kvm/parameters/ignore_msrs (this is required)
###############################################################################
# NOTE: Tweak the "MY_OPTIONS" line in case you are having booting problems!
###############################################################################
#
# Change `Penryn` to `Haswell-noTSX` in OpenCore-Boot.sh file for macOS Sonoma!
#
###############################################################################
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.
ALLOCATED_RAM="4096" # MiB
CPU_SOCKETS="1"
CPU_CORES="2"
CPU_THREADS="4"
REPO_PATH="."
OVMF_DIR="."
# shellcheck disable=SC2054
args=(
-enable-kvm -m "$ALLOCATED_RAM" -cpu Penryn,kvm=on,vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,"$MY_OPTIONS"
-machine q35
-usb -device usb-kbd -device usb-tablet
-smp "$CPU_THREADS",cores="$CPU_CORES",sockets="$CPU_SOCKETS"
-device usb-ehci,id=ehci
# -device usb-kbd,bus=ehci.0
# -device usb-mouse,bus=ehci.0
-device nec-usb-xhci,id=xhci
-global nec-usb-xhci.msi=off
# -global ICH9-LPC.acpi-pci-hotplug-with-bridge-support=off
# -device usb-host,vendorid=0x8086,productid=0x0808 # 2 USD USB Sound Card
# -device usb-host,vendorid=0x1b3f,productid=0x2008 # Another 2 USD USB Sound Card
-device isa-applesmc,osk="ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc"
-drive if=pflash,format=raw,readonly=on,file="$REPO_PATH/$OVMF_DIR/OVMF_CODE.fd"
-drive if=pflash,format=raw,file="$REPO_PATH/$OVMF_DIR/OVMF_VARS-1920x1080.fd"
-smbios type=2
-device ich9-intel-hda -device hda-duplex
-device ich9-ahci,id=sata
-drive id=OpenCoreBoot,if=none,snapshot=on,format=qcow2,file="$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,hostfwd=tcp::2222-:22 -device virtio-net-pci,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 # Note: Use this line for High Sierra
-monitor stdio
-device vmware-svga
)
qemu-system-x86_64 "${args[@]}"