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console.h revision 1.10 
      1 /* -*-C++-*-	$NetBSD: console.h,v 1.10 2004/08/13 15:48:21 uch 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(u_int16_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