From 3943f798eb7424fc60f2fb73c92eab07f2222271 Mon Sep 17 00:00:00 2001
From: Dhiru Kholia <dhiru.kholia@gmail.com>
Date: Mon, 27 Dec 2021 14:28:40 +0530
Subject: [PATCH] Add support for Windows ;)

---
 boot-passthrough-windows.sh   | 67 +++++++++++++++++++++++++++++++++++
 boot-windows-for-debugging.sh | 56 +++++++++++++++++++++++++++++
 2 files changed, 123 insertions(+)
 create mode 100755 boot-passthrough-windows.sh
 create mode 100755 boot-windows-for-debugging.sh

diff --git a/boot-passthrough-windows.sh b/boot-passthrough-windows.sh
new file mode 100755
index 0000000..727d59c
--- /dev/null
+++ b/boot-passthrough-windows.sh
@@ -0,0 +1,67 @@
+#!/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 windows_hdd.img 128G
+#
+# echo 1 > /sys/module/kvm/parameters/ignore_msrs (this is required)
+#
+# wget https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/virtio-win-0.1.141-1/virtio-win-0.1.141.iso
+
+############################################################################
+# 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
+
+ALLOCATED_RAM="3072" # MiB
+CPU_SOCKETS="1"
+CPU_CORES="2"
+CPU_THREADS="2"
+
+REPO_PATH="."
+OVMF_DIR="."
+
+# Note: This script assumes that you are doing CPU + GPU passthrough. This
+# script will need to be modified for your specific needs!
+#
+# We recommend doing the initial macOS installation without using passthrough
+# stuff. In other words, don't use this script for the initial macOS
+# installation.
+
+# shellcheck disable=SC2054
+args=(
+  -enable-kvm -m "$ALLOCATED_RAM" -cpu host,kvm=on,+invtsc,vmware-cpuid-freq=on,"$MY_OPTIONS"
+  -machine pc-q35-6.0
+  -usb -device usb-kbd -device usb-tablet
+  -smp "$CPU_THREADS",cores="$CPU_CORES",sockets="$CPU_SOCKETS"
+  -device usb-ehci,id=ehci
+  -vga none
+  # 01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] [1002:67df] (rev ef)
+  #         Subsystem: Sapphire Technology Limited Nitro+ Radeon RX 570/580/590 [1da2:e366]
+  # 01:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590] [1002:aaf0]
+  #         Subsystem: Sapphire Technology Limited Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590] [1da2:aaf0]
+  -device vfio-pci,host=01:00.0,multifunction=on
+  # -device vfio-pci,host=01:00.0,multifunction=on,romfile=gpu_original_bios.bin
+  -device vfio-pci,host=01:00.1
+  # ASMedia ASM1142 USB 3.1 Host Controller (comment out as needed)
+  # 03:00.0 USB controller [0c03]: ASMedia Technology Inc. ASM1142 USB 3.1 Host Controller [1b21:1242]
+  -device vfio-pci,host=03:00.0,bus=pcie.0
+  -drive if=pflash,format=raw,readonly,file="$REPO_PATH/$OVMF_DIR/OVMF_CODE.fd"
+  -drive if=pflash,format=raw,file="$REPO_PATH/$OVMF_DIR/OVMF_VARS-1024x768.fd"
+  -drive file="$REPO_PATH/windows.iso",media=cdrom  # Win10_21H2_English_x64.iso from Microsoft works great
+  -drive file="$REPO_PATH/virtio-win-0.1.141.iso",media=cdrom
+  -drive if=virtio,index=0,file="$REPO_PATH/windows_hdd.img",format=qcow2
+  # -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 e1000,netdev=net0,id=net0,mac=52:54:00:c9:18:27
+  -monitor stdio
+  -display none
+)
+
+qemu-system-x86_64 "${args[@]}"
diff --git a/boot-windows-for-debugging.sh b/boot-windows-for-debugging.sh
new file mode 100755
index 0000000..9289c74
--- /dev/null
+++ b/boot-windows-for-debugging.sh
@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+
+# Special thanks to:
+# https://github.com/Leoyzen/KVM-Opencore
+# https://github.com/thenickdude/KVM-Opencore/
+# https://github.com/qemu/qemu/blob/master/docs/usb2.txt
+#
+# qemu-img create -f qcow2 windows_hdd.img 128G
+#
+# echo 1 > /sys/module/kvm/parameters/ignore_msrs (this is required)
+#
+# wget https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/virtio-win-0.1.141-1/virtio-win-0.1.141.iso
+
+############################################################################
+# NOTE: Tweak the "MY_OPTIONS" line in case you are having booting problems!
+############################################################################
+
+MY_OPTIONS="+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check"
+
+# This script works for Big Sur, Catalina, Mojave, and High Sierra. Tested with
+# macOS 10.15.6, macOS 10.14.6, and macOS 10.13.6
+
+ALLOCATED_RAM="3072" # MiB
+CPU_SOCKETS="1"
+CPU_CORES="2"
+CPU_THREADS="2"
+
+REPO_PATH="."
+OVMF_DIR="."
+
+# This causes high cpu usage on the *host* side
+# qemu-system-x86_64 -enable-kvm -m 3072 -cpu Penryn,vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,hypervisor=off,vmx=on,kvm=off,$MY_OPTIONS\
+
+# shellcheck disable=SC2054
+args=(
+  -enable-kvm -m "$ALLOCATED_RAM" -cpu host,kvm=on,+invtsc,vmware-cpuid-freq=on,"$MY_OPTIONS"
+  -machine pc-q35-6.0
+  -usb -device usb-kbd -device usb-tablet
+  -smp "$CPU_THREADS",cores="$CPU_CORES",sockets="$CPU_SOCKETS"
+  -device usb-ehci,id=ehci
+  # -device usb-kbd,bus=ehci.0
+  # -device usb-mouse,bus=ehci.0
+  # -device nec-usb-xhci,id=xhci
+  -boot d
+  -drive if=pflash,format=raw,readonly=on,file="$REPO_PATH/$OVMF_DIR/OVMF_CODE.fd"
+  -drive if=pflash,format=raw,file="$REPO_PATH/$OVMF_DIR/OVMF_VARS-1024x768.fd"
+  -drive file="$REPO_PATH/windows.iso",media=cdrom  # Win10_21H2_English_x64.iso from Microsoft works great
+  -drive file="$REPO_PATH/virtio-win-0.1.141.iso",media=cdrom
+  -drive if=virtio,index=0,file="$REPO_PATH/windows_hdd.img",format=qcow2
+  # -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 virtio-net-pci,netdev=net0,id=net0,mac=52:54:00:c9:18:27
+  -monitor stdio
+  -device VGA,vgamem_mb=128
+)
+
+qemu-system-x86_64 "${args[@]}"