efi_console.c revision 1.2.6.2
1 1.2.6.2 tron /* $NetBSD: efi_console.c,v 1.2.6.2 2006/05/24 15:48:08 tron Exp $ */ 2 1.2.6.2 tron 3 1.2.6.2 tron /*- 4 1.2.6.2 tron * Copyright (c) 2000 Doug Rabson 5 1.2.6.2 tron * All rights reserved. 6 1.2.6.2 tron * 7 1.2.6.2 tron * Redistribution and use in source and binary forms, with or without 8 1.2.6.2 tron * modification, are permitted provided that the following conditions 9 1.2.6.2 tron * are met: 10 1.2.6.2 tron * 1. Redistributions of source code must retain the above copyright 11 1.2.6.2 tron * notice, this list of conditions and the following disclaimer. 12 1.2.6.2 tron * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.6.2 tron * notice, this list of conditions and the following disclaimer in the 14 1.2.6.2 tron * documentation and/or other materials provided with the distribution. 15 1.2.6.2 tron * 16 1.2.6.2 tron * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 1.2.6.2 tron * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.2.6.2 tron * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.2.6.2 tron * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 1.2.6.2 tron * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.2.6.2 tron * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.2.6.2 tron * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.2.6.2 tron * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.2.6.2 tron * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.2.6.2 tron * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.2.6.2 tron * SUCH DAMAGE. 27 1.2.6.2 tron */ 28 1.2.6.2 tron 29 1.2.6.2 tron #include <sys/cdefs.h> 30 1.2.6.2 tron /* __FBSDID("$FreeBSD: src/sys/boot/efi/libefi/efi_console.c,v 1.5 2004/03/09 04:00:33 marcel Exp $"); */ 31 1.2.6.2 tron 32 1.2.6.2 tron #include <efi.h> 33 1.2.6.2 tron #include <efilib.h> 34 1.2.6.2 tron #include <lib/libsa/stand.h> 35 1.2.6.2 tron 36 1.2.6.2 tron #include "bootstrap.h" 37 1.2.6.2 tron 38 1.2.6.2 tron static SIMPLE_TEXT_OUTPUT_INTERFACE *conout; 39 1.2.6.2 tron static SIMPLE_INPUT_INTERFACE *conin; 40 1.2.6.2 tron 41 1.2.6.2 tron static void 42 1.2.6.2 tron efi_cons_probe(struct console *cp) 43 1.2.6.2 tron { 44 1.2.6.2 tron conout = ST->ConOut; 45 1.2.6.2 tron conin = ST->ConIn; 46 1.2.6.2 tron cp->c_flags |= C_PRESENTIN | C_PRESENTOUT; 47 1.2.6.2 tron } 48 1.2.6.2 tron 49 1.2.6.2 tron static int 50 1.2.6.2 tron efi_cons_init(int arg) 51 1.2.6.2 tron { 52 1.2.6.2 tron conout->SetAttribute(conout, EFI_TEXT_ATTR(EFI_LIGHTGRAY, EFI_BLACK)); 53 1.2.6.2 tron return 0; 54 1.2.6.2 tron } 55 1.2.6.2 tron 56 1.2.6.2 tron void 57 1.2.6.2 tron efi_cons_putchar(int c) 58 1.2.6.2 tron { 59 1.2.6.2 tron CHAR16 buf[2]; 60 1.2.6.2 tron 61 1.2.6.2 tron if (c == '\n') 62 1.2.6.2 tron efi_cons_putchar('\r'); 63 1.2.6.2 tron 64 1.2.6.2 tron buf[0] = c; 65 1.2.6.2 tron buf[1] = 0; 66 1.2.6.2 tron 67 1.2.6.2 tron conout->OutputString(conout, buf); 68 1.2.6.2 tron } 69 1.2.6.2 tron 70 1.2.6.2 tron int 71 1.2.6.2 tron efi_cons_getchar() 72 1.2.6.2 tron { 73 1.2.6.2 tron EFI_INPUT_KEY key; 74 1.2.6.2 tron EFI_STATUS status; 75 1.2.6.2 tron UINTN junk; 76 1.2.6.2 tron 77 1.2.6.2 tron /* Try to read a key stroke. We wait for one if none is pending. */ 78 1.2.6.2 tron status = conin->ReadKeyStroke(conin, &key); 79 1.2.6.2 tron if (status == EFI_NOT_READY) { 80 1.2.6.2 tron BS->WaitForEvent(1, &conin->WaitForKey, &junk); 81 1.2.6.2 tron status = conin->ReadKeyStroke(conin, &key); 82 1.2.6.2 tron } 83 1.2.6.2 tron return (key.UnicodeChar); 84 1.2.6.2 tron } 85 1.2.6.2 tron 86 1.2.6.2 tron int 87 1.2.6.2 tron efi_cons_poll() 88 1.2.6.2 tron { 89 1.2.6.2 tron /* This can clear the signaled state. */ 90 1.2.6.2 tron return (BS->CheckEvent(conin->WaitForKey) == EFI_SUCCESS); 91 1.2.6.2 tron } 92 1.2.6.2 tron 93 1.2.6.2 tron struct console efi_console = { 94 1.2.6.2 tron "efi", 95 1.2.6.2 tron "EFI console", 96 1.2.6.2 tron 0, 97 1.2.6.2 tron efi_cons_probe, 98 1.2.6.2 tron efi_cons_init, 99 1.2.6.2 tron efi_cons_putchar, 100 1.2.6.2 tron efi_cons_getchar, 101 1.2.6.2 tron efi_cons_poll 102 1.2.6.2 tron }; 103
Indexes created Thu Oct 02 01:09:59 GMT 2025