import os
import shutil
import subprocess

sysroot = os.environ['MEADOW_SYSROOT']
native_root = os.environ['MEADOW_NATIVE_ROOT']
tmp = os.environ['MEADOW_TEMP']

bsp = os.path.join(sysroot, 'boot', 'rosetta-system.bsp')
kernel_exe = os.path.join(sysroot, 'boot', 'magenta_kernel')
kernel_exe_elf32 = os.path.join(tmp, 'magenta_kernel.elf32')
e64patch = os.path.join(native_root, 'bin', 'e64patch')

shutil.copyfile(kernel_exe, kernel_exe_elf32)
subprocess.run([ e64patch, kernel_exe_elf32 ])

qemu_args = [
        'qemu-system-x86_64',
        '-m', '128M',
        '-cpu', 'qemu64,+rdrand',
        '-kernel', kernel_exe_elf32,
        '-initrd', bsp,
        '-serial', 'stdio',
        '--append', 'kernel.early-console=ttyS0'
]

try:
    subprocess.run(qemu_args)
except KeyboardInterrupt:
    pass