static int qemu_chr_open_tty(QemuOpts *opts, CharDriverState **_chr) { const char *filename = qemu_opt_get(opts, "path"); CharDriverState *chr; int fd; TFR(fd = qemu_open(filename, O_RDWR | O_NONBLOCK)); if (fd < 0) { return -errno; } tty_serial_init(fd, 115200, 'N', 8, 1); chr = qemu_chr_open_fd(fd, fd); chr->chr_ioctl = tty_serial_ioctl; chr->chr_close = qemu_chr_close_tty; *_chr = chr; return 0; }