1 /* $NetBSD: debug.c,v 1.7 2002/03/28 15:24:24 uch Exp $ */ 2 3 /*- 4 * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include "debug_hpc.h" 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 44 #include <machine/debug.h> 45 #include <machine/bootinfo.h> 46 47 #ifdef HPC_DEBUG_INTERRUPT_MONITOR 48 static struct intr_state_rgb16 { 49 int cnt; 50 int phase; 51 /* R:G:B = [15:11][10:5][4:0] */ 52 u_int16_t color; 53 } __intr_state_rgb16[] = { 54 { 0, 0, RGB565_BLACK }, 55 { 0, 0, RGB565_RED }, 56 { 0, 0, RGB565_GREEN }, 57 { 0, 0, RGB565_YELLOW }, 58 { 0, 0, RGB565_BLUE }, 59 { 0, 0, RGB565_MAGENTA }, 60 { 0, 0, RGB565_CYAN }, 61 { 0, 0, RGB565_WHITE }, 62 }; 63 64 void 65 __dbg_heart_beat(enum heart_beat cause) /* 16bpp R:G:B = 5:6:5 only */ 66 { 67 #define LINE_STEP 2 68 struct intr_state_rgb16 *intr_state_rgb16 = 69 &__intr_state_rgb16[cause & 0x7]; 70 u_int16_t *fb = (u_int16_t *)bootinfo->fb_addr; 71 int hline = bootinfo->fb_width; 72 u_int16_t color = intr_state_rgb16->color; 73 int i; 74 75 fb += (cause & 0x7) * bootinfo->fb_line_bytes * LINE_STEP; 76 if (++intr_state_rgb16->cnt > hline) 77 intr_state_rgb16->cnt = 0, intr_state_rgb16->phase ^= 1; 78 79 for (i = 0; i < 8; i++) 80 *(fb + i) = color; 81 *(fb + intr_state_rgb16->cnt) = 82 intr_state_rgb16->phase ? ~color : color; 83 #undef LINE_STEP 84 } 85 #endif /* HPC_DEBUG_INTERRUPT_MONITOR */ 86