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console.c revision 1.6
      1 /* $NetBSD: console.c,v 1.6 2005/06/28 21:03:01 junyoung Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Ignatios Souvatzis.
      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 /*
     40  * Bootblock support routines for Intuition console support.
     41  */
     42 
     43 #include <sys/types.h>
     44 
     45 #include <lib/libsa/stand.h>
     46 #include "samachdep.h"
     47 
     48 #include "amigatypes.h"
     49 #include "amigagraph.h"
     50 #include "amigaio.h"
     51 #include "libstubs.h"
     52 
     53 const u_int32_t screentags[] = {
     54 	SA_Type, CUSTOMSCREEN,
     55 	SA_DisplayID, 0x8000,
     56 	SA_ShowTitle, 0,
     57 	SA_Quiet, 1,
     58 	0
     59 };
     60 
     61 u_int32_t windowtags[] = {
     62 	WA_CustomScreen, 0L,
     63 	WA_Borderless, 1L,
     64 	WA_Backdrop, 1L,
     65 	WA_Activate, 1L,
     66 	0
     67 };
     68 
     69 struct Console {
     70 	int magic;
     71 	struct AmigaIO *cnior;
     72 	struct TimerIO *tmior;
     73 	struct MsgPort *cnmp;
     74 	struct Screen *s;
     75 	struct Window *w;
     76 } *ConsoleBase;
     77 static struct Console myConsole;
     78 
     79 u_int16_t timelimit;
     80 
     81 int
     82 consinit(void *consptr) {
     83 	struct Console *mc;
     84 
     85 	if (consptr != NULL) {
     86 		/* Check magic? */
     87 		ConsoleBase = consptr;		/* Use existing console */
     88 		return (0);
     89 	}
     90 
     91 	mc = &myConsole;
     92 	IntuitionBase = OpenLibrary("intuition.library", 36L);
     93 	if (IntuitionBase == 0)
     94 		goto err;
     95 
     96 	mc->s = OpenScreenTagList(0, screentags);
     97 	if (!mc->s)
     98 		goto err;
     99 
    100 	windowtags[1] = (u_int32_t)mc->s;
    101 	mc->w = OpenWindowTagList(0, windowtags);
    102 	if (!mc->w)
    103 		goto err;
    104 
    105 	mc->cnmp = CreateMsgPort();
    106 
    107 	if (!mc->cnmp)
    108 		goto err;
    109 
    110 	mc->cnior = (struct AmigaIO *)CreateIORequest(mc->cnmp, sizeof(struct AmigaIO));
    111 	if (!mc->cnior)
    112 		goto err;
    113 
    114 	mc->cnior->buf = (void *)mc->w;
    115 	if (OpenDevice("console.device", 0, mc->cnior, 0))
    116 		goto err;
    117 
    118 	mc->tmior = (struct TimerIO *)CreateIORequest(mc->cnmp, sizeof(struct TimerIO));
    119 	if (!mc->tmior)
    120 		goto err;
    121 
    122 	if (OpenDevice("timer.device", 0, (struct AmigaIO*)mc->tmior, 0))
    123 		goto err;
    124 
    125 	ConsoleBase = mc;
    126 	return 0;
    127 
    128 err:
    129 #ifdef notyet
    130 	if (mc->tmior)
    131 		DeleteIORequest(mc->tmior);
    132 
    133 	if (mc->cnior)
    134 		DeleteIORequest(mc->cnior);
    135 
    136 	if (mc->cnmp)
    137 		DeleteMsgPort(mc->cnmp);
    138 
    139 	if (mc->w)
    140 		CloseWindow(mc->w);
    141 
    142 	if (mc->s)
    143 		CloseScreen(mc->s);
    144 	if (IntuitionBase)
    145 		CloseLibrary(IntuitionBase);
    146 #endif
    147 
    148 	return 1;
    149 }
    150 
    151 #ifdef _PRIMARY_BOOT
    152 int
    153 consclose()
    154 {
    155 	struct Console *mc = ConsoleBase;
    156 
    157 	if (mc == NULL)
    158 		return 0;
    159 	if (mc->tmior) {
    160 		CloseDevice((struct AmigaIO *)mc->tmior);
    161 		DeleteIORequest(mc->tmior);
    162 	}
    163 
    164 	if (mc->cnior) {
    165 		CloseDevice(mc->cnior);
    166 		DeleteIORequest(mc->cnior);
    167 	}
    168 
    169 	if (mc->cnmp)
    170 		DeleteMsgPort(mc->cnmp);
    171 
    172 	if (mc->w)
    173 		CloseWindow(mc->w);
    174 
    175 	if (mc->s)
    176 		CloseScreen(mc->s);
    177 	if (IntuitionBase)
    178 		CloseLibrary(IntuitionBase);
    179 	ConsoleBase = NULL;
    180 	return 0;
    181 }
    182 #endif
    183 
    184 void
    185 putchar(c)
    186 	char c;
    187 {
    188 	struct Console *mc = ConsoleBase;
    189 
    190 	mc->cnior->length = 1;
    191 	mc->cnior->buf = &c;
    192 	mc->cnior->cmd = Cmd_Wr;
    193 	(void)DoIO(mc->cnior);
    194 }
    195 
    196 void
    197 puts(s)
    198 	char *s;
    199 {
    200 	struct Console *mc = ConsoleBase;
    201 
    202 	mc->cnior->length = -1;
    203 	mc->cnior->buf = s;
    204 	mc->cnior->cmd = Cmd_Wr;
    205 	(void)DoIO(mc->cnior);
    206 }
    207 
    208 int
    209 getchar()
    210 {
    211 	struct AmigaIO *ior;
    212 	char c = -1;
    213 	struct Console *mc = ConsoleBase;
    214 
    215 	mc->cnior->length = 1;
    216 	mc->cnior->buf = &c;
    217 	mc->cnior->cmd = Cmd_Rd;
    218 
    219 	SendIO(mc->cnior);
    220 
    221 	if (timelimit) {
    222 		mc->tmior->cmd = Cmd_Addtimereq;
    223 		mc->tmior->secs = timelimit;
    224 		mc->tmior->usec = 2; /* Paranoid */
    225 		SendIO((struct AmigaIO *)mc->tmior);
    226 
    227 		ior = WaitPort(mc->cnmp);
    228 		if (ior == mc->cnior)
    229 			AbortIO((struct AmigaIO *)mc->tmior);
    230 		else /* if (ior == mc->tmior) */ {
    231 			AbortIO(mc->cnior);
    232 			c = '\n';
    233 		}
    234 		WaitIO((struct AmigaIO *)mc->tmior);
    235 		timelimit = 0;
    236 	}
    237 	(void)WaitIO(mc->cnior);
    238 	return c;
    239 }
    240