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console.h revision 1.13 
      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);
     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, ...);
     56 	virtual BOOL init(void) { return TRUE; }
     57 	BOOL &on(void) { return _on; }
     58 
     59 	static void changeConsole(Console &console) { _instance = &console; }
     60 	void setBootConsole(uint16_t cnuse) { _boot_console = cnuse; }
     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);
     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