xref: /netbsd/sys/arch/hpc/stand/hpcboot/console.h (revision 24c8a902)
1 /* -*-C++-*-	$NetBSD: console.h,v 1.12 2006/03/05 04:05:39 uwe Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001, 2002, 2004 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 	int16_t _boot_console;
48 
49 protected:
50 	enum { CONSOLE_BUFSIZE = 256 };
51 	TCHAR _bufw[CONSOLE_BUFSIZE];	// wide char buffer.
52 	BOOL _on;
53 
54 protected:
55 	Console(void);
56 	~Console(void) { /* NO-OP */ }
57 
58 public:
59 	static Console *_instance;
60 	static Console *Instance(void);
61 	static void Destroy(void);
62 	virtual void print(const TCHAR *fmt, ...);
63 	virtual BOOL init(void) { return TRUE; }
64 	BOOL &on(void) { return _on; }
65 
66 	static void changeConsole(Console &console) { _instance = &console; }
67 	void setBootConsole(uint16_t cnuse) { _boot_console = cnuse; }
68 	int16_t getBootConsole(void) const { return _boot_console; }
69 };
70 
71 class SerialConsole : public Console
72 {
73 private:
74 	HANDLE _handle;
75 
76 protected:
77 	char _bufm[CONSOLE_BUFSIZE];	// multibyte char buffer.
78 
79 protected:
80 	SerialConsole(void);
81 	~SerialConsole(void) { /* NO-OP */ };
82 	BOOL setupMultibyteBuffer(void);
83 
84 public:
85 	void genericPrint(const char *);
86 	virtual BOOL init(void);
87 	virtual void print(const TCHAR *fmt, ...);
88 
89 	static HANDLE OpenCOM1(void);
90 };
91 
92 #define	SETUP_WIDECHAR_BUFFER()						\
93 __BEGIN_MACRO								\
94 	va_list ap;							\
95 	va_start(ap, fmt);						\
96 	wvsprintf(_bufw, fmt, ap);					\
97 	va_end(ap);							\
98 __END_MACRO
99 
100 #define	DPRINTF_SETUP()		Console *_cons = Console::Instance()
101 #define	DPRINTFN(level, x)						\
102 	if (_debug > level) _cons->print x
103 #define	DPRINTF(x)							\
104 	_cons->print x
105 
106 #endif // _HPCBOOT_CONSOLE_H_
107