xref: /netbsd/sys/arch/hpc/stand/hpcboot/console.h (revision ce099b40)
1 /* -*-C++-*-	$NetBSD: console.h,v 1.13 2008/04/28 20:23:20 martin 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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _HPCBOOT_CONSOLE_H_
33 #define	_HPCBOOT_CONSOLE_H_
34 
35 #include <hpcboot.h>
36 #include <hpcmenu.h>
37 
38 class Console {
39 private:
40 	int16_t _boot_console;
41 
42 protected:
43 	enum { CONSOLE_BUFSIZE = 256 };
44 	TCHAR _bufw[CONSOLE_BUFSIZE];	// wide char buffer.
45 	BOOL _on;
46 
47 protected:
48 	Console(void);
~Console(void)49 	~Console(void) { /* NO-OP */ }
50 
51 public:
52 	static Console *_instance;
53 	static Console *Instance(void);
54 	static void Destroy(void);
55 	virtual void print(const TCHAR *fmt, ...);
init(void)56 	virtual BOOL init(void) { return TRUE; }
on(void)57 	BOOL &on(void) { return _on; }
58 
changeConsole(Console & console)59 	static void changeConsole(Console &console) { _instance = &console; }
setBootConsole(uint16_t cnuse)60 	void setBootConsole(uint16_t cnuse) { _boot_console = cnuse; }
getBootConsole(void)61 	int16_t getBootConsole(void) const { return _boot_console; }
62 };
63 
64 class SerialConsole : public Console
65 {
66 private:
67 	HANDLE _handle;
68 
69 protected:
70 	char _bufm[CONSOLE_BUFSIZE];	// multibyte char buffer.
71 
72 protected:
73 	SerialConsole(void);
~SerialConsole(void)74 	~SerialConsole(void) { /* NO-OP */ };
75 	BOOL setupMultibyteBuffer(void);
76 
77 public:
78 	void genericPrint(const char *);
79 	virtual BOOL init(void);
80 	virtual void print(const TCHAR *fmt, ...);
81 
82 	static HANDLE OpenCOM1(void);
83 };
84 
85 #define	SETUP_WIDECHAR_BUFFER()						\
86 __BEGIN_MACRO								\
87 	va_list ap;							\
88 	va_start(ap, fmt);						\
89 	wvsprintf(_bufw, fmt, ap);					\
90 	va_end(ap);							\
91 __END_MACRO
92 
93 #define	DPRINTF_SETUP()		Console *_cons = Console::Instance()
94 #define	DPRINTFN(level, x)						\
95 	if (_debug > level) _cons->print x
96 #define	DPRINTF(x)							\
97 	_cons->print x
98 
99 #endif // _HPCBOOT_CONSOLE_H_
100