xref: /netbsd-src/sys/arch/hpc/stand/hpcboot/console.h (revision 3cec974c61d7fac0a37c0377723a33214a458c8b)
1 /* -*-C++-*-	$NetBSD: console.h,v 1.1 2001/02/09 18:34:36 uch Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 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 #ifndef _HPCBOOT_CONSOLE_H_
40 #define _HPCBOOT_CONSOLE_H_
41 
42 #include <hpcboot.h>
43 #include <hpcmenu.h>
44 
45 class Console {
46 private:
47 	static Console *_instance;
48 
49 protected:
50 	enum { CONSOLE_BUFSIZE = 256 };
51 	BOOL _on;
52 
53 protected:
54 	Console(void) { /* NO-OP */ }
55 	~Console(void) { /* NO-OP */ }
56 
57 public:
58 	static Console *Instance(void);
59 	static void Destroy(void);
60 	virtual void print(const TCHAR *fmt, ...);
61 	virtual BOOL init(void) { return TRUE; };
62 	BOOL &on(void) { return _on; }
63 };
64 
65 class SerialConsole : public Console
66 {
67 private:
68 	HANDLE _handle;
69 
70 protected:
71 	TCHAR _bufw[CONSOLE_BUFSIZE];
72 	char _bufm[CONSOLE_BUFSIZE];
73 
74 protected:
75 	SerialConsole(void) { _handle = INVALID_HANDLE_VALUE; }
76 	BOOL openCOM1(void);
77 	BOOL setupBuffer(void);
78 
79 public:
80 	virtual BOOL init(void) { return TRUE; };
81 };
82 
83 #define DPRINTF_SETUP()		Console *_cons = Console::Instance()
84 #define DPRINTFN(level, x)						\
85 	if (_debug > level) _cons->print x
86 #define DPRINTF(x)							\
87 	_cons->print x
88 
89 #endif // _HPCBOOT_CONSOLE_H_
90