xref: /netbsd-src/sys/arch/hpc/stand/hpcboot/console.cpp (revision 3cec974c61d7fac0a37c0377723a33214a458c8b)
1 /*	$NetBSD: console.cpp,v 1.1 2001/02/09 18:34:35 uch Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 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 #include <hpcmenu.h>
40 #include <console.h>
41 
42 Console *Console::_instance = 0;
43 
44 Console *
45 Console::Instance()
46 {
47 	if (_instance == 0)
48 		_instance = new Console;
49 	return _instance;
50 }
51 
52 void
53 Console::Destroy()
54 {
55 	if (_instance)
56 		delete _instance;
57 	_instance = 0;
58 }
59 
60 void
61 Console::print(const TCHAR *fmt, ...)
62 {
63 	TCHAR tmp[CONSOLE_BUFSIZE];
64 
65 	va_list ap;
66 	va_start(ap, fmt);
67 	wvsprintf(tmp, fmt, ap);
68 	va_end(ap);
69 	HpcMenuInterface::Instance().print(tmp);
70 }
71 
72 BOOL
73 SerialConsole::setupBuffer()
74 {
75 	size_t len = WideCharToMultiByte(CP_ACP, 0, _bufw, wcslen(_bufw),
76 					 0, 0, 0, 0);
77 	if (len + 1 > CONSOLE_BUFSIZE)
78 		return FALSE;
79 	if (!WideCharToMultiByte(CP_ACP, 0, _bufw, len, _bufm, len, 0, 0))
80 		return FALSE;
81 	_bufm[len] = '\0';
82 
83 	return TRUE;
84 }
85 
86 BOOL
87 SerialConsole::openCOM1(void)
88 {
89 	if (_handle == INVALID_HANDLE_VALUE) {
90 		_handle = CreateFile(TEXT("COM1:"),
91 				     GENERIC_READ | GENERIC_WRITE,
92 				     0, NULL, OPEN_EXISTING, 0, NULL);
93 		if (_handle == INVALID_HANDLE_VALUE) {
94 			Console::print(TEXT("couldn't open COM1\n"));
95 			return FALSE;
96 		}
97 
98 		DCB dcb;
99 		if (!GetCommState(_handle, &dcb)) {
100 			Console::print(TEXT("couldn't get COM port status.\n"));
101 			goto bad;
102 		}
103 
104 		dcb.BaudRate = CBR_19200;
105 		if (!SetCommState(_handle, &dcb)) {
106 			Console::print(TEXT("couldn't set baud rate to 19200.\n"));
107 			goto bad;
108 		}
109 
110 		Console::print(TEXT("BaudRate %d, ByteSize %#x, Parity %#x, StopBits %#x\n"),
111 			       dcb.BaudRate, dcb.ByteSize, dcb.Parity,
112 			       dcb.StopBits);
113 		const char msg[] = "--------HPCBOOT--------\r\n";
114 		unsigned long wrote;
115 		WriteFile(_handle, msg, sizeof msg, &wrote, 0);
116 	}
117 
118 	return TRUE;
119  bad:
120 	CloseHandle(_handle);
121 	_handle = INVALID_HANDLE_VALUE;
122 	return FALSE;
123 }
124