list_download_languages() { #langcode:language

echo -e "ar-sa:Arabic\npt-br:Brazilian Portuguese\nbg-bg:Bulgarian\nzh-cn:Chinese (Simplified)\nzh-tw:Chinese (Traditional)\nhr-hr:Croatian\ncs-cz:Czech

[ "$nbd_device" == /dev/ ] && return 1

download_windows_11arm64_22631() { #downloads older W11 version for ARMv8.0 CPUs such as the Raspberry Pi 4 or 3

#from https://github.com/mattieb/windows-esd-to-iso/blob/main/windows-esd-to-iso

#and from wor-flasher

#convert from pretty language name to short-code used by esd releases - example: en-us

local WIN_LANG="$(list_download_languages | grep ":${download_language}$" | awk -F: '{print $1}')"

[ -z "$WIN_LANG" ] && error "download_windows_11arm64_22631: language must be specified in download_language variable. Get list of available languages by running $DIRECTORY/bvm list-languages"

[ -z "$vmdir" ] && error "download_windows_11arm64_22631: download folder for installer.iso must be specified in vmdir variable"

status "Downloading Windows 11 ARM64 (${download_language})"

echo " - Getting ESD download URL..."

catalog="$(wget -nv -O- "https://worproject.com/dldserv/esd/getcatalog.php?build=22631.2861&arch=ARM64&edition=Professional")"

catalog="$(echo "$catalog" | sed 's/></>\n</g' | sed -n '/<Languages>/q;p' | sed -n '/^<LanguageCode>'"${WIN_LANG}"'/,${p;/^<\/File>/q}')"

[ -z "$catalog" ] && error "Could not get list of Windows ESD releases. If you ran this step several times recently, the site likely temporarily banned your IP address. Give it time, and check if this site is accessible from your network: https://worproject.com/dldserv/esd/getcatalog.php"

rm -rf "$vmdir/esdextract" || error "Failed to remove esdextract folder"

mkdir "$vmdir/esdextract" || error "Directory creation failed"

#Get download link, size, and SHA1 hash for ESD

local URL="$(echo "$catalog" | grep '<FilePath>' -m 1 | sed 's/<FilePath>//g' | sed 's/<\/FilePath>//g')"

local SIZE="$(echo "$catalog" | grep '<Size>' -m 1 | sed 's/<Size>//g' | sed 's/<\/Size>//g')"

local SHA1="$(echo "$catalog" | grep '<Sha1>' -m 1 | sed 's/<Sha1>//g' | sed 's/<\/Sha1>//g')"

local SOURCE_FILE="$vmdir/image.esd"

if [ -f "$SOURCE_FILE" ] && [ "$SHA1" == "$(echo " - Checking validity of already downloaded image.esd" 1>&2 ; sha1sum "$SOURCE_FILE" | awk '{print $1}')" ];then

echo " - Not downloading $SOURCE_FILE - file exists"

else

echo " - Downloading Windows ESD image"

wget -nv --show-progress "$URL" -O "$SOURCE_FILE" || error "Failed to download ESD image"

echo " - Verifying download... "

local LOCAL_SHA1="$(sha1sum "$SOURCE_FILE" | awk '{print $1}')"

if [ "$SHA1" != "$LOCAL_SHA1" ];then

error "\nSuccessfully downloaded ESD image $SOURCE_FILE, but it appears to be corrupted. Please run this script again.\n(Expected SHA1 hash is $SHA1, but downloaded file has SHA1 hash $LOCAL_SHA1"

fi

echo "Done"

fi

echo " - Scanning ESD image for partitions... "

#should always be 6, but doubles as a validity check

local professional_partition_num="$(wiminfo "$SOURCE_FILE" | grep -xB1 'Name: *Windows 11 Pro' | head -n1 | awk '{print $2}')"

[ -z "$professional_partition_num" ] && error "\nCould not find Windows Professional in image.esd"

status "Extracting Windows Setup Media to esdextract"

wimapply "$SOURCE_FILE" 1 "$vmdir/esdextract" || error "Operation failed"

status "Extracting Microsoft Windows PE to boot.wim"

wimexport "$SOURCE_FILE" 2 "$vmdir/esdextract/sources/boot.wim" --compress=LZX --chunk-size=32K || error "Operation failed"

status "Extracting Microsoft Windows Setup to boot.wim"

wimexport "$SOURCE_FILE" 3 "$vmdir/esdextract/sources/boot.wim" --compress=LZX --chunk-size=32K --boot || error "Operation failed"

status "Extracting Windows 11 Pro to install.wim" #compression is usually LZMS with 128k chunk size, but this was taking over an hour.

wimexport "$SOURCE_FILE" $professional_partition_num "$vmdir/esdextract/sources/install.wim" --compress=none || error "Operation failed"

#Make boot noninteractive - do what patch_iso_noprompt does but ahead of time as we are creating the ISO

cp -f "$vmdir/esdextract/efi/microsoft/boot/efisys_noprompt.bin" "$vmdir/esdextract/efi/microsoft/boot/efisys.bin" || error "Failed to copy efisys_noprompt.bin"

rm -f "$vmdir/installer.iso"

status "Making installer.iso disk image..."

(cd "$vmdir/esdextract"; genisoimage -o "$vmdir/installer.iso" -iso-level 3 -udf -b efi/microsoft/boot/efisys.bin -no-emul-boot -V "ESD_ISO" -allow-limited-size . 2>&1 | tee >(grep -v " done," 1>&2) | tr '\n' '\r' ; exit "${PIPESTATUS[0]}") || error "Operation failed"

rm -rf "$vmdir/esdextract" "$vmdir/image.esd"

}

[ -z "$download_language" ] && error "download_windows_11arm64: language must be specified in download_language variable. Get list of available languages by running $DIRECTORY/bvm list-languages"

list_download_languages | sed 's/.*://g' | grep -qFx "$download_language" || error "download_windows_11arm64: unrecognized language '$download_language'. Get list of available languages by running $DIRECTORY/bvm list-language"

required_commands="git jq wget mkisofs qemu-img qemu-system-aarch64 remmina nmap wget yad uuidgen wiminfo"

apt_packages="git jq wget genisoimage qemu-utils qemu-system-arm qemu-system-gui qemu-efi-aarch64 remmina remmina-plugin-rdp nmap wget yad uuid-runtime seabios ipxe-qemu wimtools"

return 0

find_a76_cores() { #Some rockchip CPUs have A55 and A76 cores, and latest Windows will only support A76. Return 1 if not all cores are the same, list the A76 ones no matter what

local cores="$(cat /proc/cpuinfo | grep 'processor\|Features\|^$' | tr '\n' '\r' | sed 's/\r\r/\n/g ; s/\r/ /g')"

local a76_cores="$(echo "$cores" | grep -w fphp | awk '{print $3}')"

local non_a76_cores="$(echo "$cores" | grep -vw fphp | awk '{print $3}')"

if [ -z "$a76_cores" ] || [ -z "$non_a76_cores" ];then

#all the cores are the same

echo "$a76_cores"

return 0

else

#list the cores that are A76

echo "$a76_cores"

return 1

fi

}

elif [ ! -z "$vmdir" ] && df -T "$vmdir" 2>/dev/null | grep -q 'fat' ;then

error "The $DL_DIR directory is on a FAT32/FAT16/vfat partition. This type of partition cannot contain files larger than 4GB, however the Windows image will be larger than that.\nPlease format the drive with an Ext4 partition, or use another drive."

list_download_languages | sed 's/.*://g'

#get either latest ISO if CPU supports it, or W11 22631 if CPU is not ARMv8.1+

if grep -wq fphp /proc/cpuinfo ;then

#ARMv8.1+, get latest windows (Pi5, A76 core)

#vmdir and $download_language must be set for this function

download_windows_11arm64 || exit 1

#Patch the ISO to not require a keypress to boot

patch_iso_noprompt "$vmdir/installer.iso" || exit 1

else

warning "Downloading an older Windows version that is compatible with your device. Later versions of Windows 11 require ARM instructions that your CPU lacks."

#get Windows build 22631 for Pi4s and other A53 CPUs

download_windows_11arm64_22631 || exit 1

fi

#determine if only some CPU cores can be used

if a76_cores="$(find_a76_cores)" ;then

#function returned 0, so all cores are the same and taskset is not needed

num_cores=$(nproc) #give QEMU all cores the CPU has

use_taskset=false

else

#some cores are performance cores, use them

warning "CPU detected with 2 types of cores. Trying to only use the performance cores, but this is untested code. PLEASE reach out to Botspot if it works, or if it does not work."

num_cores="$(echo "$a76_cores" | wc -l)"

use_taskset=true

fi

full_qemu_flags=(-M virt,accel=kvm -cpu host -m ${vm_mem}G -smp $num_cores \

if [ "$use_taskset" == false ];then

qemu-system-aarch64 "${full_qemu_flags[@]}" || error "QEMU did not exit successfully."

else

#For rockchip (untested but based on https://gist.github.com/Vogtinator/293c4f90c5e92838f7e72610725905fd?permalink_comment_id=5378278#gistcomment-5378278)

taskset -c "$(echo "$a76_cores" | tr '\n' ',' | sed 's/,$//g')" qemu-system-aarch64 "${full_qemu_flags[@]}" || error "QEMU did not exit successfully."

fi

#determine if only some CPU cores can be used

if a76_cores="$(find_a76_cores)" ;then

#function returned 0, so all cores are the same and taskset is not needed

num_cores=$(nproc) #give QEMU all cores the CPU has

use_taskset=false

else

#some cores are performance cores, use them

warning "CPU detected with 2 types of cores. Trying to only use the performance cores, but this is untested code. PLEASE reach out to Botspot if it works, or if it does not work."

num_cores="$(echo "$a76_cores" | wc -l)"

use_taskset=true

fi

full_qemu_flags=(-M virt,accel=kvm -cpu host -m ${vm_mem}G -smp $num_cores \

if [ "$use_taskset" == false ];then

qemu-system-aarch64 "${full_qemu_flags[@]}" || error "QEMU did not exit successfully."

else

#For rockchip (untested but based on https://gist.github.com/Vogtinator/293c4f90c5e92838f7e72610725905fd?permalink_comment_id=5378278#gistcomment-5378278)

taskset -c "$(echo "$a76_cores" | tr '\n' ',' | sed 's/,$//g')" qemu-system-aarch64 "${full_qemu_flags[@]}" || error "QEMU did not exit successfully."

fi

status "QEMU closed."