#        howto qemu an riscv image on a x86 box
#                https://wiki.debian.org/RISC-V
#                qemu-system-riscv64 -nographic -machine virt -m 1.9G \
#                 -bios /usr/lib/riscv64-linux-gnu/opensbi/generic/fw_jump.elf \
#                 -kernel /usr/lib/u-boot/qemu-riscv64_smode/uboot.elf \
#                 -object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-device,rng=rng0 \
#                 -append "console=ttyS0 rw root=/dev/vda1" \
#                 -device virtio-blk-device,drive=hd0 -drive file=rootfs.img,format=raw,id=hd0 \
#                 -device virtio-net-device,netdev=usernet -netdev user,id=usernet,hostfwd=tcp::22222-:22
#

# jcarr@hpdevone:~/Desktop/syncthing-jcarr/status$ apt-find "opensbi/generic/fw_jump.elf"
# opensbi: /usr/lib/riscv64-linux-gnu/opensbi/generic/fw_jump.elf
# jcarr@hpdevone:~/Desktop/syncthing-jcarr/status$ apt-find "riscv64-linux-gnu/opensbi/generic/fw_jump.elf"
# opensbi: /usr/lib/riscv64-linux-gnu/opensbi/generic/fw_jump.elf
# jcarr@hpdevone:~/Desktop/syncthing-jcarr/status$ apt-find "u-boot/qemu-riscv64_smode/uboot.elf"
# u-boot-qemu: /usr/lib/u-boot/qemu-riscv64_smode/uboot.elf
# jcarr@hpdevone:~/Desktop/riscv-images/qemu$ apt-find qemu-system-riscv64
# qemu-system-misc: /usr/bin/qemu-system-riscv64

prep:
	apt install opensbi
	apt install u-boot-qemu
	apt install qemu-system-misc

qemu:
	qemu-system-riscv64 -nographic -machine virt -m 1.9G \
		-bios /usr/lib/riscv64-linux-gnu/opensbi/generic/fw_jump.elf \
		-kernel /usr/lib/u-boot/qemu-riscv64_smode/uboot.elf \
		-object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-device,rng=rng0 \
		-append "console=ttyS0 rw root=/dev/vda1" \
		-device virtio-blk-device,drive=hd0 -drive file=rootfs-riscv64.img,format=raw,id=hd0 \
		-device virtio-net-device,netdev=usernet -netdev user,id=usernet,hostfwd=tcp::22222-:22

qemu-visionfive2-v55.img:
	qemu-system-riscv64 -nographic -machine virt -m 1.9G \
		-bios /usr/lib/riscv64-linux-gnu/opensbi/generic/fw_jump.elf \
		-kernel /usr/lib/u-boot/qemu-riscv64_smode/uboot.elf \
		-object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-device,rng=rng0 \
		-append "console=ttyS0 rw root=/dev/vda3" \
		-device virtio-blk-device,drive=hd0 -drive file=visionfive2-v55.img,format=raw,id=hd0 \
		-device virtio-net-device,netdev=usernet -netdev user,id=usernet,hostfwd=tcp::22222-:22