1 | /* $NetBSD: consinit.c,v 1.16 2012/10/13 17:58:55 jdc Exp $ */ |
2 | /* NetBSD: consinit.c,v 1.4 2004/03/13 17:31:34 bjh21 Exp */ |
3 | |
4 | /* |
5 | * Copyright (c) 1998 |
6 | * Matthias Drochner. All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * |
28 | */ |
29 | |
30 | #include <sys/cdefs.h> |
31 | __KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.16 2012/10/13 17:58:55 jdc Exp $" ); |
32 | |
33 | #include "opt_kgdb.h" |
34 | |
35 | #include <sys/param.h> |
36 | #include <sys/systm.h> |
37 | #include <sys/device.h> |
38 | #include <sys/bus.h> |
39 | #include <machine/bootinfo.h> |
40 | |
41 | #include "xencons.h" |
42 | #include "vga.h" |
43 | #include "ega.h" |
44 | #include "pcdisplay.h" |
45 | #if (NVGA > 0) || (NEGA > 0) || (NPCDISPLAY > 0) |
46 | #include <dev/ic/mc6845reg.h> |
47 | #include <dev/ic/pcdisplayvar.h> |
48 | #if (NVGA > 0) |
49 | #include <dev/ic/vgareg.h> |
50 | #include <dev/ic/vgavar.h> |
51 | #endif |
52 | #if (NEGA > 0) |
53 | #include <dev/isa/egavar.h> |
54 | #endif |
55 | #if (NPCDISPLAY > 0) |
56 | #include <dev/isa/pcdisplayvar.h> |
57 | #endif |
58 | #endif |
59 | |
60 | #include "pckbc.h" |
61 | #if (NPCKBC > 0) |
62 | #include <dev/isa/isareg.h> |
63 | #include <dev/ic/i8042reg.h> |
64 | #include <dev/ic/pckbcvar.h> |
65 | #endif |
66 | #include "pckbd.h" /* for pckbc_machdep_cnattach */ |
67 | |
68 | #include "ukbd.h" |
69 | #if (NUKBD > 0) |
70 | #include <dev/usb/ukbdvar.h> |
71 | #endif |
72 | |
73 | #include "opt_xen.h" |
74 | #if (XEN > 0) |
75 | #include <xen/xen.h> |
76 | #include <dev/pckbport/pckbportvar.h> |
77 | #include <xen/hypervisor.h> |
78 | #endif |
79 | |
80 | #include "com.h" |
81 | #if (NCOM > 0) |
82 | #include <sys/termios.h> |
83 | #include <dev/ic/comreg.h> |
84 | #include <dev/ic/comvar.h> |
85 | #endif |
86 | |
87 | #ifndef CONSDEVNAME |
88 | #define CONSDEVNAME "pc" |
89 | #endif |
90 | |
91 | #if (NCOM > 0) |
92 | #ifndef CONADDR |
93 | #define CONADDR 0x3f8 |
94 | #endif |
95 | #ifndef CONSPEED |
96 | #define CONSPEED TTYDEF_SPEED |
97 | #endif |
98 | #ifndef CONMODE |
99 | #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ |
100 | #endif |
101 | int comcnmode = CONMODE; |
102 | #endif /* NCOM */ |
103 | |
104 | const struct btinfo_console default_consinfo = { |
105 | {0, 0}, |
106 | CONSDEVNAME, |
107 | #if (NCOM > 0) |
108 | CONADDR, CONSPEED |
109 | #else |
110 | 0, 0 |
111 | #endif |
112 | }; |
113 | |
114 | #ifdef KGDB |
115 | #ifndef KGDB_DEVNAME |
116 | #define KGDB_DEVNAME "com" |
117 | #endif |
118 | const char kgdb_devname[] = KGDB_DEVNAME; |
119 | |
120 | #if (NCOM > 0) |
121 | #ifndef KGDB_DEVADDR |
122 | #define KGDB_DEVADDR 0x3f8 |
123 | #endif |
124 | int comkgdbaddr = KGDB_DEVADDR; |
125 | #ifndef KGDB_DEVRATE |
126 | #define KGDB_DEVRATE TTYDEF_SPEED |
127 | #endif |
128 | int comkgdbrate = KGDB_DEVRATE; |
129 | #ifndef KGDB_DEVMODE |
130 | #define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ |
131 | #endif |
132 | int comkgdbmode = KGDB_DEVMODE; |
133 | #endif /* NCOM */ |
134 | |
135 | #endif /* KGDB */ |
136 | |
137 | /* |
138 | * consinit: |
139 | * initialize the system console. |
140 | * XXX - shouldn't deal with this initted thing, but then, |
141 | * it shouldn't be called from init386 either. |
142 | */ |
143 | void |
144 | consinit(void) |
145 | { |
146 | static int initted = 0; |
147 | union xen_cmdline_parseinfo xcp; |
148 | |
149 | if (initted) { |
150 | return; |
151 | } |
152 | initted = 1; |
153 | xen_parse_cmdline(XEN_PARSE_CONSOLE, &xcp); |
154 | |
155 | #if (NVGA > 0) |
156 | if (xendomain_is_privileged()) { |
157 | #ifdef CONS_OVERRIDE |
158 | if (strcmp(default_consinfo.devname, "tty0" ) == 0 || |
159 | strcmp(default_consinfo.devname, "pc" ) == 0) { |
160 | #else |
161 | if (strcmp(xcp.xcp_console, "tty0" ) == 0 || /* linux name */ |
162 | strcmp(xcp.xcp_console, "pc" ) == 0) { /* NetBSD name */ |
163 | #endif /* CONS_OVERRIDE */ |
164 | int error; |
165 | vga_cnattach(x86_bus_space_io, x86_bus_space_mem, |
166 | -1, 1); |
167 | error = ENODEV; |
168 | #if (NPCKBC > 0) |
169 | error = pckbc_cnattach(x86_bus_space_io, IO_KBD, KBCMDP, |
170 | PCKBC_KBD_SLOT, 0); |
171 | #endif |
172 | #if (NUKBD > 0) |
173 | if (error) |
174 | error = ukbd_cnattach(); |
175 | #endif |
176 | if (error) |
177 | printf("WARNING: no console keyboard, " |
178 | "error=%d\n" , error); |
179 | return; |
180 | } |
181 | } |
182 | #endif /* NVGA */ |
183 | #if NXENCONS > 0 |
184 | xenconscn_attach(); |
185 | return; |
186 | #endif /* NXENCONS */ |
187 | panic("consinit: no console" ); |
188 | } |
189 | |
190 | #ifdef KGDB |
191 | void |
192 | kgdb_port_init(void) |
193 | { |
194 | #if (NCOM > 0) |
195 | if(!strcmp(kgdb_devname, "com" )) { |
196 | bus_space_tag_t tag = x86_bus_space_io; |
197 | |
198 | com_kgdb_attach(tag, comkgdbaddr, comkgdbrate, COM_FREQ, |
199 | COM_TYPE_NORMAL, comkgdbmode); |
200 | } |
201 | #endif |
202 | } |
203 | #endif |
204 | |