xref: /netbsd/sys/arch/hpc/stand/hpcboot/console.cpp (revision bf9ec67e)
1 /* -*-C++-*-	$NetBSD: console.cpp,v 1.8 2002/03/02 22:01:34 uch Exp $ */
2 
3 /*-
4  * Copyright (c) 2001, 2002 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 //
45 // Display console
46 //
47 Console *
48 Console::Instance()
49 {
50 
51 	if (_instance == 0) {
52 		_instance = new Console;
53 	}
54 
55 	return (_instance);
56 }
57 
58 Console::Console()
59 {
60 	// set default builtin console. (bicons)
61 	setBootConsole(BI_CNUSE_BUILTIN);
62 }
63 
64 void
65 Console::Destroy()
66 {
67 
68 	if (_instance)
69 		delete _instance;
70 	_instance = 0;
71 }
72 
73 void
74 Console::print(const TCHAR *fmt, ...)
75 {
76 	va_list ap;
77 
78 	va_start(ap, fmt);
79 	wvsprintf(_bufw, fmt, ap);
80 	va_end(ap);
81 
82 	// print to `Console Tab Window'
83 	HPC_MENU.print(_bufw);
84 }
85 
86 //
87 // Serial console.
88 //
89 SerialConsole::SerialConsole()
90 {
91 
92 	_handle = INVALID_HANDLE_VALUE;
93 	// set default serial console.
94 	setBootConsole(BI_CNUSE_SERIAL);
95 }
96 
97 BOOL
98 SerialConsole::init()
99 {
100 	// always open COM1 to supply clock and power for the
101 	// sake of kernel serial driver
102 	if (_handle == INVALID_HANDLE_VALUE)
103 		_handle = OpenCOM1();
104 
105 	if (_handle == INVALID_HANDLE_VALUE) {
106 		Console::print(TEXT("couldn't open COM1\n"));
107 		return (FALSE);
108 	}
109 
110 	// Print serial console status on LCD.
111 	DCB dcb;
112 	GetCommState(_handle, &dcb);
113 	Console::print(
114 		TEXT("BaudRate %d, ByteSize %#x, Parity %#x, StopBits %#x\n"),
115 		dcb.BaudRate, dcb.ByteSize, dcb.Parity, dcb.StopBits);
116 
117 	return (TRUE);
118 }
119 
120 BOOL
121 SerialConsole::setupMultibyteBuffer()
122 {
123 	size_t len = WideCharToMultiByte(CP_ACP, 0, _bufw, wcslen(_bufw),
124 	    0, 0, 0, 0);
125 
126 	if (len + 1 > CONSOLE_BUFSIZE)
127 		return FALSE;
128 	if (!WideCharToMultiByte(CP_ACP, 0, _bufw, len, _bufm, len, 0, 0))
129 		return FALSE;
130 	_bufm[len] = '\0';
131 
132 	return TRUE;
133 }
134 
135 void
136 SerialConsole::print(const TCHAR *fmt, ...)
137 {
138 
139 	SETUP_WIDECHAR_BUFFER();
140 
141 	if (!setupMultibyteBuffer())
142 		return;
143 
144 	genericPrint(_bufm);
145 }
146 
147 HANDLE
148 SerialConsole::OpenCOM1()
149 {
150 	static HANDLE COM1handle = INVALID_HANDLE_VALUE;
151 	const char msg[] = "\r\n--------HPCBOOT--------\r\n";
152 	unsigned long wrote;
153 	int speed = HPC_PREFERENCE.serial_speed;
154 	HANDLE h;
155 
156 	if (COM1handle != INVALID_HANDLE_VALUE)
157 		return (COM1handle);
158 
159 	h = CreateFile(TEXT("COM1:"),
160 	    GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0,
161 	    NULL);
162 	if (h == INVALID_HANDLE_VALUE)
163 		return (h);
164 
165 	DCB dcb;
166 	if (!GetCommState(h, &dcb))
167 		goto bad;
168 
169 	dcb.BaudRate = speed;
170 	if (!SetCommState(h, &dcb))
171 		goto bad;
172 
173 	// Print banner on serial console.
174 	WriteFile(h, msg, sizeof msg, &wrote, 0);
175 
176 	COM1handle = h;
177 
178 	return (h);
179  bad:
180 	CloseHandle(h);
181 	return (INVALID_HANDLE_VALUE);
182 }
183 
184 void
185 SerialConsole::genericPrint(const char *buf)
186 {
187 	unsigned long wrote;
188 	int i;
189 
190 	for (i = 0; *buf != '\0'; buf++) {
191 		char c = *buf;
192 		if (c == '\n')
193 			WriteFile(_handle, "\r", 1, &wrote, 0);
194 		WriteFile(_handle, &c, 1, &wrote, 0);
195 	}
196 }
197