Annotation of src/sys/arch/x86/x86/consinit.c, Revision 1.30
1.30 ! christos 1: /* $NetBSD: consinit.c,v 1.29 2019/05/24 14:28:48 nonaka Exp $ */
1.1 fvdl 2:
3: /*
4: * Copyright (c) 1998
5: * Matthias Drochner. All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26: *
27: */
28:
29: #include <sys/cdefs.h>
1.30 ! christos 30: __KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.29 2019/05/24 14:28:48 nonaka Exp $");
1.1 fvdl 31:
32: #include "opt_kgdb.h"
1.25 msaitoh 33: #include "opt_puc.h"
1.1 fvdl 34:
35: #include <sys/param.h>
36: #include <sys/systm.h>
37: #include <sys/device.h>
1.22 dyoung 38: #include <sys/bus.h>
1.29 nonaka 39: #include <sys/cpu.h>
1.1 fvdl 40: #include <machine/bootinfo.h>
1.17 jmcneill 41: #include <arch/x86/include/genfb_machdep.h>
1.1 fvdl 42:
1.28 is 43: #include <dev/cons.h>
44:
45: #include "nullcons.h"
1.16 jmcneill 46: #include "genfb.h"
1.1 fvdl 47: #include "vga.h"
48: #include "ega.h"
49: #include "pcdisplay.h"
1.25 msaitoh 50: #include "com_puc.h"
1.1 fvdl 51: #if (NVGA > 0) || (NEGA > 0) || (NPCDISPLAY > 0)
52: #include <dev/ic/mc6845reg.h>
53: #include <dev/ic/pcdisplayvar.h>
54: #if (NVGA > 0)
55: #include <dev/ic/vgareg.h>
56: #include <dev/ic/vgavar.h>
57: #endif
58: #if (NEGA > 0)
59: #include <dev/isa/egavar.h>
60: #endif
61: #if (NPCDISPLAY > 0)
62: #include <dev/isa/pcdisplayvar.h>
63: #endif
64: #endif
65:
66: #include "pckbc.h"
67: #if (NPCKBC > 0)
68: #include <dev/isa/isareg.h>
69: #include <dev/ic/i8042reg.h>
70: #include <dev/ic/pckbcvar.h>
1.4 bjh21 71: #include <dev/pckbport/pckbportvar.h>
1.1 fvdl 72: #endif
73: #include "pckbd.h" /* for pckbc_machdep_cnattach */
74:
1.16 jmcneill 75: #if (NGENFB > 0)
76: #include <dev/wsfb/genfbvar.h>
77: #endif
78:
1.1 fvdl 79: #include "com.h"
80: #if (NCOM > 0)
81: #include <sys/termios.h>
82: #include <dev/ic/comreg.h>
83: #include <dev/ic/comvar.h>
84: #endif
1.25 msaitoh 85: #if (NCOM_PUC > 0)
86: #include <dev/pci/puccn.h>
87: #endif
1.1 fvdl 88:
89: #include "ukbd.h"
90: #if (NUKBD > 0)
91: #include <dev/usb/ukbdvar.h>
92: #endif
93:
1.29 nonaka 94: #ifndef XEN
1.30 ! christos 95: #if NHVKBD > 0
1.29 nonaka 96: #include "hvkbd.h"
97: #include <dev/hyperv/hvkbdvar.h>
98: #endif
99: #endif
100:
1.1 fvdl 101: #ifndef CONSDEVNAME
102: #define CONSDEVNAME "pc"
103: #endif
104:
105: #if (NCOM > 0)
106: #ifndef CONADDR
107: #define CONADDR 0x3f8
108: #endif
109: #ifndef CONSPEED
110: #define CONSPEED TTYDEF_SPEED
111: #endif
112: #ifndef CONMODE
113: #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
114: #endif
115: int comcnmode = CONMODE;
116: #endif /* NCOM */
117:
118: const struct btinfo_console default_consinfo = {
119: {0, 0},
120: CONSDEVNAME,
121: #if (NCOM > 0)
122: CONADDR, CONSPEED
123: #else
124: 0, 0
125: #endif
126: };
127:
128: #ifdef KGDB
129: #ifndef KGDB_DEVNAME
130: #define KGDB_DEVNAME "com"
131: #endif
132: const char kgdb_devname[] = KGDB_DEVNAME;
133:
134: #if (NCOM > 0)
135: #ifndef KGDB_DEVADDR
136: #define KGDB_DEVADDR 0x3f8
137: #endif
138: int comkgdbaddr = KGDB_DEVADDR;
139: #ifndef KGDB_DEVRATE
140: #define KGDB_DEVRATE TTYDEF_SPEED
141: #endif
142: int comkgdbrate = KGDB_DEVRATE;
143: #ifndef KGDB_DEVMODE
144: #define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
145: #endif
146: int comkgdbmode = KGDB_DEVMODE;
147: #endif /* NCOM */
148:
149: #endif /* KGDB */
150:
151: /*
152: * consinit:
153: * initialize the system console.
154: * XXX - shouldn't deal with this initted thing, but then,
155: * it shouldn't be called from init386 either.
156: */
157: void
1.19 cegger 158: consinit(void)
1.1 fvdl 159: {
160: const struct btinfo_console *consinfo;
1.27 martin 161: #if (NGENFB > 0)
1.16 jmcneill 162: const struct btinfo_framebuffer *fbinfo;
1.27 martin 163: #endif
1.1 fvdl 164: static int initted;
1.26 taca 165: #if (NCOM > 0)
1.25 msaitoh 166: int rv;
1.26 taca 167: #endif
1.1 fvdl 168:
169: if (initted)
170: return;
171: initted = 1;
172:
173: #ifndef CONS_OVERRIDE
174: consinfo = lookup_bootinfo(BTINFO_CONSOLE);
175: if (!consinfo)
176: #endif
177: consinfo = &default_consinfo;
178:
1.27 martin 179: #if (NGENFB > 0)
1.16 jmcneill 180: fbinfo = lookup_bootinfo(BTINFO_FRAMEBUFFER);
1.27 martin 181: #endif
1.16 jmcneill 182:
1.1 fvdl 183: if (!strcmp(consinfo->devname, "pc")) {
1.6 augustss 184: int error;
1.16 jmcneill 185: #if (NGENFB > 0)
186: if (fbinfo && fbinfo->physaddr > 0) {
1.17 jmcneill 187: if (x86_genfb_cnattach() == -1) {
188: initted = 0; /* defer */
189: return;
190: }
1.16 jmcneill 191: genfb_cnattach();
192: goto dokbd;
1.17 jmcneill 193: }
194: genfb_disable();
1.16 jmcneill 195: #endif
1.1 fvdl 196: #if (NVGA > 0)
1.21 dyoung 197: if (!vga_cnattach(x86_bus_space_io, x86_bus_space_mem,
1.1 fvdl 198: -1, 1))
199: goto dokbd;
200: #endif
201: #if (NEGA > 0)
1.21 dyoung 202: if (!ega_cnattach(x86_bus_space_io, x86_bus_space_mem))
1.1 fvdl 203: goto dokbd;
204: #endif
205: #if (NPCDISPLAY > 0)
1.21 dyoung 206: if (!pcdisplay_cnattach(x86_bus_space_io, x86_bus_space_mem))
1.1 fvdl 207: goto dokbd;
208: #endif
209: if (0) goto dokbd; /* XXX stupid gcc */
210: dokbd:
1.7 augustss 211: error = ENODEV;
1.1 fvdl 212: #if (NPCKBC > 0)
1.21 dyoung 213: error = pckbc_cnattach(x86_bus_space_io, IO_KBD, KBCMDP,
1.24 jdc 214: PCKBC_KBD_SLOT, 0);
1.1 fvdl 215: #endif
1.29 nonaka 216: #if (NHVKBD > 0)
217: if (error && vm_guest == VM_GUEST_HV)
218: error = hvkbd_cnattach();
219: #endif
1.5 augustss 220: #if (NUKBD > 0)
221: if (error)
1.7 augustss 222: error = ukbd_cnattach();
1.1 fvdl 223: #endif
1.7 augustss 224: if (error)
225: printf("WARNING: no console keyboard, error=%d\n",
226: error);
1.1 fvdl 227: return;
228: }
229: #if (NCOM > 0)
230: if (!strcmp(consinfo->devname, "com")) {
1.9 jmmv 231: int addr = consinfo->addr;
232: int speed = consinfo->speed;
1.1 fvdl 233:
1.25 msaitoh 234: #if (NCOM_PUC > 0) && defined(PUC_CNAUTO)
235: puc_cnprobe(NULL);
236: rv = puc_cninit(NULL);
237: if (rv == 0)
238: return;
239: #endif
240:
1.9 jmmv 241: if (addr == 0)
242: addr = CONADDR;
243: if (speed == 0)
244: speed = CONSPEED;
245:
1.25 msaitoh 246: rv = comcnattach(x86_bus_space_io, addr, speed,
247: COM_FREQ, COM_TYPE_NORMAL, comcnmode);
248: if (rv != 0)
1.1 fvdl 249: panic("can't init serial console @%x", consinfo->addr);
250: return;
251: }
252: #endif
1.28 is 253: #if (NNULLCONS > 0)
254: if (!strcmp(consinfo->devname, "nullcons")) {
255: void nullcninit(struct consdev *cn);
256:
257: nullcninit(0);
258: return;
259: }
260: #endif
1.1 fvdl 261: panic("invalid console device %s", consinfo->devname);
262: }
263:
264: #ifdef KGDB
265: void
1.20 cegger 266: kgdb_port_init(void)
1.1 fvdl 267: {
268: #if (NCOM > 0)
269: if(!strcmp(kgdb_devname, "com")) {
1.21 dyoung 270: com_kgdb_attach(x86_bus_space_io, comkgdbaddr, comkgdbrate,
271: COM_FREQ, COM_TYPE_NORMAL, comkgdbmode);
1.1 fvdl 272: }
273: #endif
274: }
275: #endif
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