2 * Copyright (c) 2000 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $DragonFly: src/sys/boot/efi/libefi/efi_console.c,v 1.1 2003/11/10 06:08:33 dillon Exp $
32 #include "bootstrap.h"
34 static SIMPLE_TEXT_OUTPUT_INTERFACE *conout;
35 static SIMPLE_INPUT_INTERFACE *conin;
38 efi_cons_probe(struct console *cp)
42 cp->c_flags |= C_PRESENTIN | C_PRESENTOUT;
46 efi_cons_init(int arg)
52 efi_cons_putchar(int c)
57 efi_cons_putchar('\r');
62 conout->OutputString(conout, buf);
72 /* Try to read a key stroke. We wait for one if none is pending. */
73 status = conin->ReadKeyStroke(conin, &key);
74 if (status == EFI_NOT_READY) {
75 BS->WaitForEvent(1, &conin->WaitForKey, &junk);
76 status = conin->ReadKeyStroke(conin, &key);
78 return (key.UnicodeChar);
84 /* This can clear the signaled state. */
85 return (BS->CheckEvent(conin->WaitForKey) == EFI_SUCCESS);
88 struct console efi_console = {