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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
33 #include "bootstrap.h"
35 static SIMPLE_TEXT_OUTPUT_INTERFACE *conout;
36 static SIMPLE_INPUT_INTERFACE *conin;
39 efi_cons_probe(struct console *cp)
43 cp->c_flags |= C_PRESENTIN | C_PRESENTOUT;
47 efi_cons_init(int arg)
49 conout->SetAttribute(conout, EFI_TEXT_ATTR(EFI_LIGHTGRAY, EFI_BLACK));
54 efi_cons_putchar(int c)
59 efi_cons_putchar('\r');
64 conout->OutputString(conout, buf);
74 /* Try to read a key stroke. We wait for one if none is pending. */
75 status = conin->ReadKeyStroke(conin, &key);
76 if (status == EFI_NOT_READY) {
77 BS->WaitForEvent(1, &conin->WaitForKey, &junk);
78 status = conin->ReadKeyStroke(conin, &key);
80 return (key.UnicodeChar);
86 /* This can clear the signaled state. */
87 return (BS->CheckEvent(conin->WaitForKey) == EFI_SUCCESS);
90 struct console efi_console = {