console.c revision 1.3.2.2
1 1.3.2.2 jdolecek /* $NetBSD: console.c,v 1.3.2.2 2017/12/03 11:35:48 jdolecek Exp $ */ 2 1.3.2.2 jdolecek 3 1.3.2.2 jdolecek /* 4 1.3.2.2 jdolecek * Copyright (c) 2017 The NetBSD Foundation, Inc. All rights reserved. 5 1.3.2.2 jdolecek * 6 1.3.2.2 jdolecek * This code is derived from software contributed to The NetBSD Foundation 7 1.3.2.2 jdolecek * by Maxime Villard. 8 1.3.2.2 jdolecek * 9 1.3.2.2 jdolecek * Redistribution and use in source and binary forms, with or without 10 1.3.2.2 jdolecek * modification, are permitted provided that the following conditions 11 1.3.2.2 jdolecek * are met: 12 1.3.2.2 jdolecek * 1. Redistributions of source code must retain the above copyright 13 1.3.2.2 jdolecek * notice, this list of conditions and the following disclaimer. 14 1.3.2.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 15 1.3.2.2 jdolecek * notice, this list of conditions and the following disclaimer in the 16 1.3.2.2 jdolecek * documentation and/or other materials provided with the distribution. 17 1.3.2.2 jdolecek * 18 1.3.2.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 1.3.2.2 jdolecek * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 1.3.2.2 jdolecek * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 1.3.2.2 jdolecek * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 1.3.2.2 jdolecek * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 1.3.2.2 jdolecek * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 1.3.2.2 jdolecek * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 1.3.2.2 jdolecek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 1.3.2.2 jdolecek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 1.3.2.2 jdolecek * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 1.3.2.2 jdolecek * POSSIBILITY OF SUCH DAMAGE. 29 1.3.2.2 jdolecek */ 30 1.3.2.2 jdolecek 31 1.3.2.2 jdolecek #include "prekern.h" 32 1.3.2.2 jdolecek 33 1.3.2.2 jdolecek extern vaddr_t atdevbase; 34 1.3.2.2 jdolecek #define CONS_WID 80 35 1.3.2.2 jdolecek #define CONS_HEI 25 36 1.3.2.2 jdolecek 37 1.3.2.2 jdolecek static char *cons_start; 38 1.3.2.2 jdolecek static size_t cons_x, cons_y; 39 1.3.2.2 jdolecek static char cons_buffer[CONS_WID * 2 * CONS_HEI]; 40 1.3.2.2 jdolecek 41 1.3.2.2 jdolecek void init_cons(void) 42 1.3.2.2 jdolecek { 43 1.3.2.2 jdolecek cons_start = (char *)atdevbase + (0xB8000 - IOM_BEGIN); 44 1.3.2.2 jdolecek cons_x = 0; 45 1.3.2.2 jdolecek cons_y = 0; 46 1.3.2.2 jdolecek } 47 1.3.2.2 jdolecek 48 1.3.2.2 jdolecek static void check_scroll(void) 49 1.3.2.2 jdolecek { 50 1.3.2.2 jdolecek char *src, *dst; 51 1.3.2.2 jdolecek size_t i; 52 1.3.2.2 jdolecek 53 1.3.2.2 jdolecek if (cons_y != CONS_HEI) 54 1.3.2.2 jdolecek return; 55 1.3.2.2 jdolecek 56 1.3.2.2 jdolecek for (i = 0; i < CONS_HEI-1; i++) { 57 1.3.2.2 jdolecek dst = &cons_buffer[0] + i * (CONS_WID * 2); 58 1.3.2.2 jdolecek src = &cons_buffer[0] + (i + 1) * (CONS_WID * 2); 59 1.3.2.2 jdolecek memcpy(dst, src, (CONS_WID * 2)); 60 1.3.2.2 jdolecek } 61 1.3.2.2 jdolecek memset(&cons_buffer[0] + (CONS_WID * 2) * (CONS_HEI-1), 0, 62 1.3.2.2 jdolecek (CONS_WID * 2)); 63 1.3.2.2 jdolecek cons_y--; 64 1.3.2.2 jdolecek memcpy(cons_start, &cons_buffer[0], (CONS_WID * 2) * (CONS_HEI-1)); 65 1.3.2.2 jdolecek } 66 1.3.2.2 jdolecek 67 1.3.2.2 jdolecek void print_ext(int color, char *buf) 68 1.3.2.2 jdolecek { 69 1.3.2.2 jdolecek char *ptr, *scr; 70 1.3.2.2 jdolecek size_t i; 71 1.3.2.2 jdolecek 72 1.3.2.2 jdolecek for (i = 0; buf[i] != '\0'; i++) { 73 1.3.2.2 jdolecek if (buf[i] == '\n') { 74 1.3.2.2 jdolecek cons_x = 0; 75 1.3.2.2 jdolecek cons_y++; 76 1.3.2.2 jdolecek check_scroll(); 77 1.3.2.2 jdolecek } else { 78 1.3.2.2 jdolecek if (cons_x + 1 == CONS_WID) { 79 1.3.2.2 jdolecek cons_x = 0; 80 1.3.2.2 jdolecek cons_y++; 81 1.3.2.2 jdolecek check_scroll(); 82 1.3.2.2 jdolecek } 83 1.3.2.2 jdolecek ptr = (cons_start + 2 * cons_x + 160 * cons_y); 84 1.3.2.2 jdolecek scr = (cons_buffer + 2 * cons_x + 160 * cons_y); 85 1.3.2.2 jdolecek ptr[0] = scr[0] = buf[i]; 86 1.3.2.2 jdolecek ptr[1] = scr[1] = color; 87 1.3.2.2 jdolecek cons_x++; 88 1.3.2.2 jdolecek } 89 1.3.2.2 jdolecek } 90 1.3.2.2 jdolecek } 91 1.3.2.2 jdolecek 92 1.3.2.2 jdolecek void print(char *buf) 93 1.3.2.2 jdolecek { 94 1.3.2.2 jdolecek print_ext(WHITE_ON_BLACK, buf); 95 1.3.2.2 jdolecek } 96 1.3.2.2 jdolecek 97 1.3.2.2 jdolecek void print_state(bool ok, char *buf) 98 1.3.2.2 jdolecek { 99 1.3.2.2 jdolecek print("["); 100 1.3.2.2 jdolecek if (ok) 101 1.3.2.2 jdolecek print_ext(GREEN_ON_BLACK, "+"); 102 1.3.2.2 jdolecek else 103 1.3.2.2 jdolecek print_ext(RED_ON_BLACK, "!"); 104 1.3.2.2 jdolecek print("] "); 105 1.3.2.2 jdolecek print(buf); 106 1.3.2.2 jdolecek print("\n"); 107 1.3.2.2 jdolecek } 108 1.3.2.2 jdolecek 109 1.3.2.2 jdolecek void print_banner(void) 110 1.3.2.2 jdolecek { 111 1.3.2.2 jdolecek char *banner = 112 1.3.2.2 jdolecek " __________ __ \n" 113 1.3.2.2 jdolecek " \\______ \\_______ ____ | | __ ___________ ____ \n" 114 1.3.2.2 jdolecek " | ___/\\_ __ \\_/ __ \\| |/ // __ \\_ __ \\/ \\ \n" 115 1.3.2.2 jdolecek " | | | | \\/\\ ___/| <\\ ___/| | \\/ | \\\n" 116 1.3.2.2 jdolecek " |____| |__| \\___ >__|_ \\\\___ >__| |___| /\n" 117 1.3.2.2 jdolecek " \\/ \\/ \\/ \\/ Version 1.0\n" 118 1.3.2.2 jdolecek ; 119 1.3.2.2 jdolecek print(banner); 120 1.3.2.2 jdolecek } 121
Indexes created Thu Oct 02 07:10:07 GMT 2025