sys/arch/hpc/stand/hpcboot/console.h

   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  *
  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_