#!/bin/bash

set -x

sudo qemu-system-riscv64						\
	-serial telnet:localhost:2018,server,nowait                     \
	-monitor telnet:127.0.0.1:2019,server,nowait                    \
	-vga none                                                       \
	-runas vriscv64-build						\
	-daemonize							\
	-display none							\
	-M virt								\
	-smp 8								\
	-m 8192								\
	-name vriscv64-build						\
	-device virtio-net-device,netdev=usernet -netdev user,id=usernet,hostfwd=tcp::47721-:22	\
	-kernel /srv/kvm/vriscv64-build/vmlinux				\
	-initrd /srv/kvm/vriscv64-build/initrd.img			\
	-append "root=/dev/vda1 rw ipv6.disable=1 selinux=0"		\
	-bios /usr/lib/riscv64-linux-gnu/opensbi/generic/fw_jump.elf	\
	-object rng-random,filename=/dev/urandom,id=rng0		\
	-device virtio-rng-device,rng=rng0				\
	-device virtio-blk-device,drive=hd0				\
	-device virtio-blk-device,drive=hd1				\
	-drive file=/srv/kvm/vriscv64-build/root.img,format=qcow2,cache=writeback,discard=on,id=hd0	\
	-drive file=/srv/kvm/vriscv64-build/home.img,format=qcow2,cache=writeback,discard=on,id=hd1


exit
	-append "root=/dev/vda1 rw ipv6.disable=1 selinux=0"		\

# To update kernel:
# * update guest debian.
# * copy guest kernel & initrd to host
# scp -p vriscv64-build:/boot/vmlinux-5.10.0-5-riscv64 /srv/kvm/vriscv64-build/vmlinux
# scp -p vriscv64-build:/boot/initrd.img-5.10.0-5-riscv64 /srv/kvm/vriscv64-build/initrd.img
# chown vriscv64-build:vriscv64-build /srv/kvm/vriscv64-build/vmlinux /srv/kvm/vriscv64-build/initrd.img
# chmod 400 /srv/kvm/vriscv64-build/vmlinux chmod 400 /srv/kvm/vriscv64-build/initrd.img

# kernel, initrd.img for install:
# https://cdimage.debian.org/cdimage/ports/snapshots
# https://cdimage.debian.org/cdimage/ports/debian-installer/2020-12-03/riscv64/debian-installer-images_20201202_riscv64.tar.gz

        -nic tap,model=virtio,mac=52:54:00:12:34:16                     \
	-kernel /home/jebba/devel/distros/debian/riscv/vmlinux		\
	-initrd /home/jebba/devel/distros/debian/riscv/initrd.img	\

# IMAGE
# qemu-img create -f qcow2 /srv/kvm/vriscv64-build/home.img 20G
# chown vriscv64-build:vriscv64-build /srv/kvm/vriscv64-build/home.img
# chmod 600 /srv/kvm/vriscv64-build/home.img

# qemu-img create -f qcow2 /home/jebba/KVM/riscv64-build/boot.img 256M
# qemu-img create -f qcow2 /home/jebba/KVM/riscv64-build/swap.img 128M
# qemu-img create -f qcow2 /home/jebba/KVM/riscv64-build/root.img 2G
# Resize
# qemu-img resize foo.img +10G
# qemu-img resize /home/jebba/KVM/riscv64-build/root.img +10G

#misc
	-device virtio-net-device,netdev=usernet -netdev user,id=usernet,hostfwd=tcp::22549-:22	\
	-append "root=/dev/vda1 rw"					\
	-daemonize							\
	-display none							\
	-nographic							\
	-display none							\
	-kernel /home/jebba/devel/distros/debian/riscv/debian-installer-images/installer-riscv64/20201202/images/netboot/vmlinux	\
	-initrd /home/jebba/devel/distros/debian/riscv/debian-installer-images/installer-riscv64/20201202/images/netboot/initrd.gz	\
	-net nic,model=virtio						\
	-net user,hostfwd=tcp:192.168.110.22:22549-:22			\
	-kernel /usr/lib/u-boot/qemu-riscv64_smode/uboot.elf		\
	-bios /usr/lib/riscv64-linux-gnu/opensbi/generic/fw_jump.elf	\
	-object rng-random,filename=/dev/urandom,id=rng0		\
	-device virtio-rng-device,rng=rng0 
	-M virt								\
	-device virtio-net-device,netdev=usernet -netdev user,id=usernet,hostfwd=tcp::22549-:22	\
	-M sifive_u							\