1/* -*-C++-*-	$NetBSD: console.cpp,v 1.10 2005/12/11 12:17:28 christos 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 *
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#include <hpcmenu.h>
33#include <console.h>
34
35Console *Console::_instance = 0;
36
37//
38// Display console
39//
40Console *
41Console::Instance()
42{
43
44	if (_instance == 0) {
45		_instance = new Console;
46	}
47
48	return (_instance);
49}
50
51Console::Console()
52{
53	// set default builtin console. (bicons)
54	setBootConsole(BI_CNUSE_BUILTIN);
55}
56
57void
58Console::Destroy()
59{
60
61	if (_instance)
62		delete _instance;
63	_instance = 0;
64}
65
66void
67Console::print(const TCHAR *fmt, ...)
68{
69	va_list ap;
70
71	va_start(ap, fmt);
72	wvsprintf(_bufw, fmt, ap);
73	va_end(ap);
74
75	// print to `Console Tab Window'
76	HPC_MENU.print(_bufw);
77}
78
79//
80// Serial console.
81//
82SerialConsole::SerialConsole()
83{
84
85	_handle = INVALID_HANDLE_VALUE;
86	// set default serial console.
87	setBootConsole(BI_CNUSE_SERIAL);
88}
89
90BOOL
91SerialConsole::init()
92{
93	// always open COM1 to supply clock and power for the
94	// sake of kernel serial driver
95	if (_handle == INVALID_HANDLE_VALUE)
96		_handle = OpenCOM1();
97
98	if (_handle == INVALID_HANDLE_VALUE) {
99		Console::print(TEXT("couldn't open COM1\n"));
100		return (FALSE);
101	}
102
103	// Print serial console status on LCD.
104	DCB dcb;
105	GetCommState(_handle, &dcb);
106	Console::print(
107		TEXT("BaudRate %d, ByteSize %#x, Parity %#x, StopBits %#x\n"),
108		dcb.BaudRate, dcb.ByteSize, dcb.Parity, dcb.StopBits);
109
110	return (TRUE);
111}
112
113BOOL
114SerialConsole::setupMultibyteBuffer()
115{
116	size_t len = WideCharToMultiByte(CP_ACP, 0, _bufw, wcslen(_bufw),
117	    0, 0, 0, 0);
118
119	if (len + 1 > CONSOLE_BUFSIZE)
120		return FALSE;
121	if (!WideCharToMultiByte(CP_ACP, 0, _bufw, len, _bufm, len, 0, 0))
122		return FALSE;
123	_bufm[len] = '\0';
124
125	return TRUE;
126}
127
128void
129SerialConsole::print(const TCHAR *fmt, ...)
130{
131
132	SETUP_WIDECHAR_BUFFER();
133
134	if (!setupMultibyteBuffer())
135		return;
136
137	genericPrint(_bufm);
138}
139
140HANDLE
141SerialConsole::OpenCOM1()
142{
143	static HANDLE COM1handle = INVALID_HANDLE_VALUE;
144	const char msg[] = "\r\n--------HPCBOOT--------\r\n";
145	unsigned long wrote;
146	int speed = HPC_PREFERENCE.serial_speed;
147	HANDLE h;
148
149	if (COM1handle != INVALID_HANDLE_VALUE)
150		return (COM1handle);
151
152	h = CreateFile(TEXT("COM1:"),
153	    GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0,
154	    NULL);
155	if (h == INVALID_HANDLE_VALUE)
156		return (h);
157
158	DCB dcb;
159	if (!GetCommState(h, &dcb))
160		goto bad;
161
162	dcb.BaudRate = speed;
163	if (!SetCommState(h, &dcb))
164		goto bad;
165
166	// Print banner on serial console.
167	WriteFile(h, msg, sizeof msg, &wrote, 0);
168
169	COM1handle = h;
170
171	return (h);
172 bad:
173	CloseHandle(h);
174	return (INVALID_HANDLE_VALUE);
175}
176
177void
178SerialConsole::genericPrint(const char *buf)
179{
180	unsigned long wrote;
181	int i;
182
183	for (i = 0; *buf != '\0'; buf++) {
184		char c = *buf;
185		if (c == '\n')
186			WriteFile(_handle, "\r", 1, &wrote, 0);
187		WriteFile(_handle, &c, 1, &wrote, 0);
188	}
189}
190