efi_console.c revision 1.2.2.2
1 1.2.2.2 simonb /* $NetBSD: efi_console.c,v 1.2.2.2 2006/04/22 11:37:39 simonb Exp $ */ 2 1.2.2.2 simonb 3 1.2.2.2 simonb /*- 4 1.2.2.2 simonb * Copyright (c) 2000 Doug Rabson 5 1.2.2.2 simonb * All rights reserved. 6 1.2.2.2 simonb * 7 1.2.2.2 simonb * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 simonb * modification, are permitted provided that the following conditions 9 1.2.2.2 simonb * are met: 10 1.2.2.2 simonb * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 simonb * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 simonb * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 simonb * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 simonb * documentation and/or other materials provided with the distribution. 15 1.2.2.2 simonb * 16 1.2.2.2 simonb * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 1.2.2.2 simonb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.2.2.2 simonb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.2.2.2 simonb * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 1.2.2.2 simonb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.2.2.2 simonb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.2.2.2 simonb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.2.2.2 simonb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.2.2.2 simonb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.2.2.2 simonb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.2.2.2 simonb * SUCH DAMAGE. 27 1.2.2.2 simonb */ 28 1.2.2.2 simonb 29 1.2.2.2 simonb #include <sys/cdefs.h> 30 1.2.2.2 simonb 31 1.2.2.2 simonb #include <efi.h> 32 1.2.2.2 simonb #include <efilib.h> 33 1.2.2.2 simonb #include <lib/libsa/stand.h> 34 1.2.2.2 simonb 35 1.2.2.2 simonb #include "bootstrap.h" 36 1.2.2.2 simonb 37 1.2.2.2 simonb static SIMPLE_TEXT_OUTPUT_INTERFACE *conout; 38 1.2.2.2 simonb static SIMPLE_INPUT_INTERFACE *conin; 39 1.2.2.2 simonb 40 1.2.2.2 simonb static void 41 1.2.2.2 simonb efi_cons_probe(struct console *cp) 42 1.2.2.2 simonb { 43 1.2.2.2 simonb conout = ST->ConOut; 44 1.2.2.2 simonb conin = ST->ConIn; 45 1.2.2.2 simonb cp->c_flags |= C_PRESENTIN | C_PRESENTOUT; 46 1.2.2.2 simonb } 47 1.2.2.2 simonb 48 1.2.2.2 simonb static int 49 1.2.2.2 simonb efi_cons_init(int arg) 50 1.2.2.2 simonb { 51 1.2.2.2 simonb conout->SetAttribute(conout, EFI_TEXT_ATTR(EFI_LIGHTGRAY, EFI_BLACK)); 52 1.2.2.2 simonb return 0; 53 1.2.2.2 simonb } 54 1.2.2.2 simonb 55 1.2.2.2 simonb void 56 1.2.2.2 simonb efi_cons_putchar(int c) 57 1.2.2.2 simonb { 58 1.2.2.2 simonb CHAR16 buf[2]; 59 1.2.2.2 simonb 60 1.2.2.2 simonb if (c == '\n') 61 1.2.2.2 simonb efi_cons_putchar('\r'); 62 1.2.2.2 simonb 63 1.2.2.2 simonb buf[0] = c; 64 1.2.2.2 simonb buf[1] = 0; 65 1.2.2.2 simonb 66 1.2.2.2 simonb conout->OutputString(conout, buf); 67 1.2.2.2 simonb } 68 1.2.2.2 simonb 69 1.2.2.2 simonb int 70 1.2.2.2 simonb efi_cons_getchar() 71 1.2.2.2 simonb { 72 1.2.2.2 simonb EFI_INPUT_KEY key; 73 1.2.2.2 simonb EFI_STATUS status; 74 1.2.2.2 simonb UINTN junk; 75 1.2.2.2 simonb 76 1.2.2.2 simonb /* Try to read a key stroke. We wait for one if none is pending. */ 77 1.2.2.2 simonb status = conin->ReadKeyStroke(conin, &key); 78 1.2.2.2 simonb if (status == EFI_NOT_READY) { 79 1.2.2.2 simonb BS->WaitForEvent(1, &conin->WaitForKey, &junk); 80 1.2.2.2 simonb status = conin->ReadKeyStroke(conin, &key); 81 1.2.2.2 simonb } 82 1.2.2.2 simonb return (key.UnicodeChar); 83 1.2.2.2 simonb } 84 1.2.2.2 simonb 85 1.2.2.2 simonb int 86 1.2.2.2 simonb efi_cons_poll() 87 1.2.2.2 simonb { 88 1.2.2.2 simonb /* This can clear the signaled state. */ 89 1.2.2.2 simonb return (BS->CheckEvent(conin->WaitForKey) == EFI_SUCCESS); 90 1.2.2.2 simonb } 91 1.2.2.2 simonb 92 1.2.2.2 simonb struct console efi_console = { 93 1.2.2.2 simonb "efi", 94 1.2.2.2 simonb "EFI console", 95 1.2.2.2 simonb 0, 96 1.2.2.2 simonb efi_cons_probe, 97 1.2.2.2 simonb efi_cons_init, 98 1.2.2.2 simonb efi_cons_putchar, 99 1.2.2.2 simonb efi_cons_getchar, 100 1.2.2.2 simonb efi_cons_poll 101 1.2.2.2 simonb }; 102
Indexes created Thu Oct 02 01:09:59 GMT 2025