#!/bin/bash
#* Copyright (c) 2020-2022 Intel Corporation SPDX-License-Identifier: BSD-3-Clause
# postinst script for acrn-hypervisor
# please NOTE ！！！  scenario_info/board_info changed by python scripts, so do not add content there!!!
# please NOTE ！！！  scenario_info/board_info please add in release.json if needed !!!
set -e

#Build info Start

SCENARIO=(shared)

BOARD=(nuc11tnbi5)

#Build info End


#ACRN parameters Start

GENERATED_PARAMS=(cpu_perf_policy=Performance)

#ACRN parameters End

ACRNBIN="/boot/acrn.${SCENARIO}.${BOARD}.bin"
type=$(findmnt / |awk '$1 == "/" {print $2}')

pattern='^/dev/.* UUID="([^"]+)".* PARTUUID="([^"]+)"'
while IFS= read -r line; do
    if [[ $line =~ $pattern ]]; then
        uuid="${BASH_REMATCH[1]}"
        partuuid="${BASH_REMATCH[2]}"
    fi
done < <(blkid |grep ${type})

filename="/etc/grub.d/40_custom"

if ls /boot/vmlinuz*acrn-service-vm* 1> /dev/null 2>&1;then
    service_vm_kernel=$(ls -tr /boot/vmlinuz-*acrn-service-vm* | tail -1)
else
    service_vm_kernel=$(ls /boot/vmlinuz-* | tail -1)
fi
kernelimg="module2 $service_vm_kernel Linux_bzImage"

if [ $SCENARIO == hybrid ];then
    echo -e "\E[32m Please put zephyr64.elf in the /boot/ directory"
    tput sgr0
    cat>"${filename}"<<EOF
#!/bin/sh
exec tail -n +3 \$0
menuentry 'ACRN multiboot2 ' --id ACRN_deb_multiboot2 {
    load_video
    insmod gzio
    insmod part_gpt
    insmod ext2
    search --no-floppy --fs-uuid  --set $uuid
multiboot2 $ACRNBIN root=PARTUUID=$partuuid $GENERATED_PARAMS
$kernelimg
module2 /boot/zephyr64.elf Zephyr_ElfImage
module2 /boot/ACPI_VM0.bin ACPI_VM0
}

EOF
elif [ $SCENARIO == hybrid_rt ];then
    echo -e "\E[32m Please put bzImage_RT in the /boot/ directory"
    tput sgr0
    cat>"${filename}"<<EOF
#!/bin/sh
exec tail -n +3 \$0
menuentry 'ACRN multiboot2 ' --id ACRN_deb_multiboot2 {
    load_video
    insmod gzio
    insmod part_gpt
    insmod ext2
    search --no-floppy --fs-uuid  --set $uuid
multiboot2 $ACRNBIN root=PARTUUID=$partuuid $GENERATED_PARAMS
$kernelimg
module2 /boot/bzImage_RT RT_bzImage
module2 /boot/ACPI_VM0.bin ACPI_VM0
}

EOF
elif [ $SCENARIO == partitioned ];then
    cat>"${filename}"<<EOF
#!/bin/sh
exec tail -n +3 \$0
menuentry 'ACRN multiboot2 ' --id ACRN_deb_multiboot2 {
    load_video
    insmod gzio
    insmod part_gpt
    insmod ext2
    search --no-floppy --fs-uuid  --set $uuid
    echo 'loading ACRN...'
multiboot2 $ACRNBIN root=PARTUUID=$partuuid $GENERATED_PARAMS
$kernelimg
module2 /boot/ACPI_VM0.bin ACPI_VM0
module2 /boot/ACPI_VM1.bin ACPI_VM1
}

EOF
else
    cat>"${filename}"<<EOF
#!/bin/sh
exec tail -n +3 \$0
menuentry 'ACRN multiboot2 ' --id ACRN_deb_multiboot2 {
    load_video
    insmod gzio
    insmod part_gpt
    insmod ext2
    search --no-floppy --fs-uuid  --set $uuid
multiboot2 $ACRNBIN root=PARTUUID=$partuuid $GENERATED_PARAMS
$kernelimg

}

EOF
fi

filename='/etc/default/grub'
sed -i '/GRUB_DEFAULT=/d' ${filename}
sed -i '/GRUB_TIMEOUT=/d' ${filename}
sed -i '/GRUB_HIDDEN_TIMEOUT=/d' ${filename}
sed -i '/GRUB_CMDLINE_LINUX_DEFAULT=/d' ${filename}
sed -i '/GRUB_CMDLINE_LINUX=/d' ${filename}
sed -i '/GRUB_TERMINAL=/d' ${filename}
sed -i '/GRUB_SERIAL_COMMAND=/d' ${filename}
sed -i '$a GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"' ${filename}
sed -i '$a GRUB_TERMINAL="console serial"' ${filename}
sed -i '$a GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"' ${filename}
sed -i '$a GRUB_CMDLINE_LINUX="console=tty0 console=ttyS0,115200n8"' ${filename}
sed -i '$a GRUB_DEFAULT=ACRN_deb_multiboot2' ${filename}
sed -i '$a GRUB_TIMEOUT=20' ${filename}

sync
update-grub

exit 0