Symbol: efi_serial_getchar
usr/src/boot/efi/libefi/efiserialio.c
59
static int efi_serial_getchar(struct console *);
usr/src/boot/efi/libefi/efiserialio.c
648
tty->c_in = efi_serial_getchar;
usr/src/boot/efi/libefi/efiserialio.c
662
while (efi_serial_getchar(tty) != -1)