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 <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <stand.h> 31 #include "bootstrap.h" 32 #include "glue.h" 33 34 int console; 35 36 static void uboot_cons_probe(struct console *cp); 37 static int uboot_cons_init(int); 38 static void uboot_cons_putchar(int); 39 static int uboot_cons_getchar(void); 40 static int uboot_cons_poll(void); 41 42 struct console uboot_console = { 43 "uboot", 44 "U-Boot console", 45 0, 46 uboot_cons_probe, 47 uboot_cons_init, 48 uboot_cons_putchar, 49 uboot_cons_getchar, 50 uboot_cons_poll, 51 }; 52 53 static void 54 uboot_cons_probe(struct console *cp) 55 { 56 57 cp->c_flags |= (C_PRESENTIN | C_PRESENTOUT); 58 } 59 60 static int 61 uboot_cons_init(int arg) 62 { 63 64 return (0); 65 } 66 67 static void 68 uboot_cons_putchar(int c) 69 { 70 71 if (c == '\n') 72 ub_putc('\r'); 73 74 ub_putc(c); 75 } 76 77 static int 78 uboot_cons_getchar() 79 { 80 81 return (ub_getc()); 82 } 83 84 static int 85 uboot_cons_poll() 86 { 87 88 return (ub_tstc()); 89 } 90