1 /*- 2 * Copyright (c) 2007 Semihalf, Rafal Jaworowski <raj@semihalf.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 13 * 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 24 * SUCH DAMAGE. 25 */ 26 27 #include <stand.h> 28 #include "bootstrap.h" 29 #include "glue.h" 30 31 int console; 32 33 static void uboot_cons_probe(struct console *cp); 34 static int uboot_cons_init(int); 35 static void uboot_cons_putchar(int); 36 static int uboot_cons_getchar(void); 37 static int uboot_cons_poll(void); 38 39 struct console uboot_console = { 40 "uboot", 41 "U-Boot console", 42 0, 43 uboot_cons_probe, 44 uboot_cons_init, 45 uboot_cons_putchar, 46 uboot_cons_getchar, 47 uboot_cons_poll, 48 }; 49 50 static void 51 uboot_cons_probe(struct console *cp) 52 { 53 54 cp->c_flags |= (C_PRESENTIN | C_PRESENTOUT); 55 } 56 57 static int 58 uboot_cons_init(int arg) 59 { 60 61 return (0); 62 } 63 64 static void 65 uboot_cons_putchar(int c) 66 { 67 68 if (c == '\n') 69 ub_putc('\r'); 70 71 ub_putc(c); 72 } 73 74 static int 75 uboot_cons_getchar(void) 76 { 77 78 return (ub_getc()); 79 } 80 81 static int 82 uboot_cons_poll(void) 83 { 84 85 return (ub_tstc()); 86 } 87