iamgreaser

// riscv64-elf-gcc -Os -mcmodel=medany -nostdlib -march=rv64gc -Wl,-T,qemu.ld -o vga-hello.elf boot.S main.c
// qemu-system-riscv64 -machine virt -device VGA -smp 1 -kernel vga-hello.elf
	.section .text
	.global _start
	.global _enter

_start:
_enter:
	//1: j 1b