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1 | <?xml version="1.0" encoding="UTF-8"?> |
2 | <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" | |
3 | "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []> | |
4 | ||
5 | <book id="LinuxKernelAPI"> | |
6 | <bookinfo> | |
7 | <title>The Linux Kernel API</title> | |
8 | ||
9 | <legalnotice> | |
10 | <para> | |
11 | This documentation is free software; you can redistribute | |
12 | it and/or modify it under the terms of the GNU General Public | |
13 | License as published by the Free Software Foundation; either | |
14 | version 2 of the License, or (at your option) any later | |
15 | version. | |
16 | </para> | |
17 | ||
18 | <para> | |
19 | This program is distributed in the hope that it will be | |
20 | useful, but WITHOUT ANY WARRANTY; without even the implied | |
21 | warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
22 | See the GNU General Public License for more details. | |
23 | </para> | |
24 | ||
25 | <para> | |
26 | You should have received a copy of the GNU General Public | |
27 | License along with this program; if not, write to the Free | |
28 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
29 | MA 02111-1307 USA | |
30 | </para> | |
31 | ||
32 | <para> | |
33 | For more details see the file COPYING in the source | |
34 | distribution of Linux. | |
35 | </para> | |
36 | </legalnotice> | |
37 | </bookinfo> | |
38 | ||
39 | <toc></toc> | |
40 | ||
41 | <chapter id="Basics"> | |
42 | <title>Driver Basics</title> | |
43 | <sect1><title>Driver Entry and Exit points</title> | |
44 | !Iinclude/linux/init.h | |
45 | </sect1> | |
46 | ||
47 | <sect1><title>Atomic and pointer manipulation</title> | |
48 | !Iinclude/asm-i386/atomic.h | |
49 | !Iinclude/asm-i386/unaligned.h | |
50 | </sect1> | |
51 | ||
1da177e4 | 52 | <sect1><title>Delaying, scheduling, and timer routines</title> |
4dc3b16b PP |
53 | !Iinclude/linux/sched.h |
54 | !Ekernel/sched.c | |
55 | !Ekernel/timer.c | |
df78488d TG |
56 | </sect1> |
57 | <sect1><title>High-resolution timers</title> | |
58 | !Iinclude/linux/ktime.h | |
59 | !Iinclude/linux/hrtimer.h | |
60 | !Ekernel/hrtimer.c | |
1da177e4 | 61 | </sect1> |
4dc3b16b PP |
62 | <sect1><title>Internal Functions</title> |
63 | !Ikernel/exit.c | |
64 | !Ikernel/signal.c | |
9e37bd30 RD |
65 | !Iinclude/linux/kthread.h |
66 | !Ekernel/kthread.c | |
4dc3b16b PP |
67 | </sect1> |
68 | ||
69 | <sect1><title>Kernel objects manipulation</title> | |
70 | <!-- | |
71 | X!Iinclude/linux/kobject.h | |
72 | --> | |
73 | !Elib/kobject.c | |
74 | </sect1> | |
75 | ||
76 | <sect1><title>Kernel utility functions</title> | |
77 | !Iinclude/linux/kernel.h | |
ddad86c2 | 78 | !Ekernel/printk.c |
4dc3b16b PP |
79 | !Ekernel/panic.c |
80 | !Ekernel/sys.c | |
81 | !Ekernel/rcupdate.c | |
82 | </sect1> | |
83 | ||
1da177e4 LT |
84 | </chapter> |
85 | ||
86 | <chapter id="adt"> | |
87 | <title>Data Types</title> | |
88 | <sect1><title>Doubly Linked Lists</title> | |
89 | !Iinclude/linux/list.h | |
90 | </sect1> | |
91 | </chapter> | |
92 | ||
93 | <chapter id="libc"> | |
94 | <title>Basic C Library Functions</title> | |
95 | ||
96 | <para> | |
97 | When writing drivers, you cannot in general use routines which are | |
98 | from the C Library. Some of the functions have been found generally | |
99 | useful and they are listed below. The behaviour of these functions | |
100 | may vary slightly from those defined by ANSI, and these deviations | |
101 | are noted in the text. | |
102 | </para> | |
103 | ||
104 | <sect1><title>String Conversions</title> | |
105 | !Ilib/vsprintf.c | |
106 | !Elib/vsprintf.c | |
107 | </sect1> | |
108 | <sect1><title>String Manipulation</title> | |
4dc3b16b PP |
109 | <!-- All functions are exported at now |
110 | X!Ilib/string.c | |
111 | --> | |
1da177e4 LT |
112 | !Elib/string.c |
113 | </sect1> | |
114 | <sect1><title>Bit Operations</title> | |
115 | !Iinclude/asm-i386/bitops.h | |
116 | </sect1> | |
28e83baa RD |
117 | </chapter> |
118 | ||
119 | <chapter id="kernel-lib"> | |
120 | <title>Basic Kernel Library Functions</title> | |
121 | ||
122 | <para> | |
123 | The Linux kernel provides more basic utility functions. | |
124 | </para> | |
125 | ||
6e1907ff RD |
126 | <sect1><title>Bitmap Operations</title> |
127 | !Elib/bitmap.c | |
128 | !Ilib/bitmap.c | |
129 | </sect1> | |
28e83baa RD |
130 | |
131 | <sect1><title>Command-line Parsing</title> | |
132 | !Elib/cmdline.c | |
133 | </sect1> | |
2f72100c RD |
134 | |
135 | <sect1><title>CRC Functions</title> | |
136 | !Elib/crc16.c | |
137 | !Elib/crc32.c | |
138 | !Elib/crc-ccitt.c | |
139 | </sect1> | |
1da177e4 LT |
140 | </chapter> |
141 | ||
142 | <chapter id="mm"> | |
143 | <title>Memory Management in Linux</title> | |
144 | <sect1><title>The Slab Cache</title> | |
800590f5 | 145 | !Iinclude/linux/slab.h |
1da177e4 LT |
146 | !Emm/slab.c |
147 | </sect1> | |
148 | <sect1><title>User Space Memory Access</title> | |
149 | !Iinclude/asm-i386/uaccess.h | |
8f2709b5 | 150 | !Earch/i386/lib/usercopy.c |
1da177e4 | 151 | </sect1> |
4dc3b16b PP |
152 | <sect1><title>More Memory Management Functions</title> |
153 | !Iinclude/linux/rmap.h | |
154 | !Emm/readahead.c | |
155 | !Emm/filemap.c | |
156 | !Emm/memory.c | |
157 | !Emm/vmalloc.c | |
158 | !Emm/mempool.c | |
159 | !Emm/page-writeback.c | |
160 | !Emm/truncate.c | |
161 | </sect1> | |
162 | </chapter> | |
163 | ||
164 | ||
165 | <chapter id="ipc"> | |
166 | <title>Kernel IPC facilities</title> | |
167 | ||
168 | <sect1><title>IPC utilities</title> | |
169 | !Iipc/util.c | |
170 | </sect1> | |
1da177e4 LT |
171 | </chapter> |
172 | ||
173 | <chapter id="kfifo"> | |
174 | <title>FIFO Buffer</title> | |
175 | <sect1><title>kfifo interface</title> | |
176 | !Iinclude/linux/kfifo.h | |
177 | !Ekernel/kfifo.c | |
178 | </sect1> | |
179 | </chapter> | |
180 | ||
181 | <chapter id="proc"> | |
182 | <title>The proc filesystem</title> | |
183 | ||
184 | <sect1><title>sysctl interface</title> | |
185 | !Ekernel/sysctl.c | |
186 | </sect1> | |
4dc3b16b PP |
187 | |
188 | <sect1><title>proc filesystem interface</title> | |
189 | !Ifs/proc/base.c | |
190 | </sect1> | |
1da177e4 LT |
191 | </chapter> |
192 | ||
193 | <chapter id="debugfs"> | |
194 | <title>The debugfs filesystem</title> | |
195 | ||
196 | <sect1><title>debugfs interface</title> | |
197 | !Efs/debugfs/inode.c | |
198 | !Efs/debugfs/file.c | |
199 | </sect1> | |
200 | </chapter> | |
201 | ||
202 | <chapter id="vfs"> | |
203 | <title>The Linux VFS</title> | |
4dc3b16b PP |
204 | <sect1><title>The Filesystem types</title> |
205 | !Iinclude/linux/fs.h | |
4dc3b16b | 206 | </sect1> |
1da177e4 LT |
207 | <sect1><title>The Directory Cache</title> |
208 | !Efs/dcache.c | |
209 | !Iinclude/linux/dcache.h | |
210 | </sect1> | |
211 | <sect1><title>Inode Handling</title> | |
212 | !Efs/inode.c | |
213 | !Efs/bad_inode.c | |
214 | </sect1> | |
215 | <sect1><title>Registration and Superblocks</title> | |
216 | !Efs/super.c | |
217 | </sect1> | |
218 | <sect1><title>File Locks</title> | |
219 | !Efs/locks.c | |
220 | !Ifs/locks.c | |
221 | </sect1> | |
4dc3b16b PP |
222 | <sect1><title>Other Functions</title> |
223 | !Efs/mpage.c | |
224 | !Efs/namei.c | |
225 | !Efs/buffer.c | |
226 | !Efs/bio.c | |
227 | !Efs/seq_file.c | |
228 | !Efs/filesystems.c | |
229 | !Efs/fs-writeback.c | |
230 | !Efs/block_dev.c | |
231 | </sect1> | |
1da177e4 LT |
232 | </chapter> |
233 | ||
234 | <chapter id="netcore"> | |
235 | <title>Linux Networking</title> | |
4dc3b16b PP |
236 | <sect1><title>Networking Base Types</title> |
237 | !Iinclude/linux/net.h | |
238 | </sect1> | |
1da177e4 LT |
239 | <sect1><title>Socket Buffer Functions</title> |
240 | !Iinclude/linux/skbuff.h | |
4dc3b16b PP |
241 | !Iinclude/net/sock.h |
242 | !Enet/socket.c | |
1da177e4 | 243 | !Enet/core/skbuff.c |
4dc3b16b PP |
244 | !Enet/core/sock.c |
245 | !Enet/core/datagram.c | |
246 | !Enet/core/stream.c | |
1da177e4 LT |
247 | </sect1> |
248 | <sect1><title>Socket Filter</title> | |
249 | !Enet/core/filter.c | |
250 | </sect1> | |
251 | <sect1><title>Generic Network Statistics</title> | |
252 | !Iinclude/linux/gen_stats.h | |
253 | !Enet/core/gen_stats.c | |
254 | !Enet/core/gen_estimator.c | |
255 | </sect1> | |
4dc3b16b PP |
256 | <sect1><title>SUN RPC subsystem</title> |
257 | <!-- The !D functionality is not perfect, garbage has to be protected by comments | |
258 | !Dnet/sunrpc/sunrpc_syms.c | |
259 | --> | |
260 | !Enet/sunrpc/xdr.c | |
261 | !Enet/sunrpc/svcsock.c | |
262 | !Enet/sunrpc/sched.c | |
263 | </sect1> | |
1da177e4 LT |
264 | </chapter> |
265 | ||
266 | <chapter id="netdev"> | |
267 | <title>Network device support</title> | |
268 | <sect1><title>Driver Support</title> | |
269 | !Enet/core/dev.c | |
c2da8aca | 270 | !Enet/ethernet/eth.c |
461ddf3b RD |
271 | !Iinclude/linux/etherdevice.h |
272 | <!-- FIXME: Removed for now since no structured comments in source | |
273 | X!Enet/core/wireless.c | |
274 | --> | |
1da177e4 LT |
275 | </sect1> |
276 | <sect1><title>Synchronous PPP</title> | |
277 | !Edrivers/net/wan/syncppp.c | |
278 | </sect1> | |
279 | </chapter> | |
280 | ||
281 | <chapter id="modload"> | |
282 | <title>Module Support</title> | |
283 | <sect1><title>Module Loading</title> | |
284 | !Ekernel/kmod.c | |
285 | </sect1> | |
286 | <sect1><title>Inter Module support</title> | |
287 | <para> | |
288 | Refer to the file kernel/module.c for more information. | |
289 | </para> | |
290 | <!-- FIXME: Removed for now since no structured comments in source | |
291 | X!Ekernel/module.c | |
292 | --> | |
293 | </sect1> | |
294 | </chapter> | |
295 | ||
296 | <chapter id="hardware"> | |
297 | <title>Hardware Interfaces</title> | |
298 | <sect1><title>Interrupt Handling</title> | |
8f2709b5 | 299 | !Ekernel/irq/manage.c |
1da177e4 LT |
300 | </sect1> |
301 | ||
4dc3b16b | 302 | <sect1><title>Resources Management</title> |
2b54960b | 303 | !Ikernel/resource.c |
4dc3b16b PP |
304 | </sect1> |
305 | ||
1da177e4 LT |
306 | <sect1><title>MTRR Handling</title> |
307 | !Earch/i386/kernel/cpu/mtrr/main.c | |
308 | </sect1> | |
b0ef371e | 309 | |
1da177e4 LT |
310 | <sect1><title>PCI Support Library</title> |
311 | !Edrivers/pci/pci.c | |
4dc3b16b PP |
312 | !Edrivers/pci/pci-driver.c |
313 | !Edrivers/pci/remove.c | |
314 | !Edrivers/pci/pci-acpi.c | |
b0ef371e | 315 | <!-- kerneldoc does not understand __devinit |
4dc3b16b PP |
316 | X!Edrivers/pci/search.c |
317 | --> | |
318 | !Edrivers/pci/msi.c | |
319 | !Edrivers/pci/bus.c | |
f05aab8e RD |
320 | <!-- FIXME: Removed for now since no structured comments in source |
321 | X!Edrivers/pci/hotplug.c | |
322 | --> | |
4dc3b16b PP |
323 | !Edrivers/pci/probe.c |
324 | !Edrivers/pci/rom.c | |
1da177e4 LT |
325 | </sect1> |
326 | <sect1><title>PCI Hotplug Support Library</title> | |
327 | !Edrivers/pci/hotplug/pci_hotplug_core.c | |
328 | </sect1> | |
329 | <sect1><title>MCA Architecture</title> | |
330 | <sect2><title>MCA Device Functions</title> | |
331 | <para> | |
332 | Refer to the file arch/i386/kernel/mca.c for more information. | |
333 | </para> | |
334 | <!-- FIXME: Removed for now since no structured comments in source | |
335 | X!Earch/i386/kernel/mca.c | |
336 | --> | |
337 | </sect2> | |
338 | <sect2><title>MCA Bus DMA</title> | |
339 | !Iinclude/asm-i386/mca_dma.h | |
340 | </sect2> | |
341 | </sect1> | |
342 | </chapter> | |
343 | ||
b0ef371e RD |
344 | <chapter id="firmware"> |
345 | <title>Firmware Interfaces</title> | |
346 | <sect1><title>DMI Interfaces</title> | |
347 | !Edrivers/firmware/dmi_scan.c | |
348 | </sect1> | |
349 | </chapter> | |
350 | ||
4dc3b16b PP |
351 | <chapter id="sysfs"> |
352 | <title>The Filesystem for Exporting Kernel Objects</title> | |
353 | !Efs/sysfs/file.c | |
4dc3b16b PP |
354 | !Efs/sysfs/symlink.c |
355 | !Efs/sysfs/bin.c | |
356 | </chapter> | |
357 | ||
1da177e4 LT |
358 | <chapter id="security"> |
359 | <title>Security Framework</title> | |
360 | !Esecurity/security.c | |
361 | </chapter> | |
362 | ||
862f5f01 RD |
363 | <chapter id="audit"> |
364 | <title>Audit Interfaces</title> | |
365 | !Ekernel/audit.c | |
366 | !Ikernel/auditsc.c | |
367 | !Ikernel/auditfilter.c | |
368 | </chapter> | |
369 | ||
370 | <chapter id="accounting"> | |
371 | <title>Accounting Framework</title> | |
372 | !Ikernel/acct.c | |
373 | </chapter> | |
374 | ||
1da177e4 LT |
375 | <chapter id="pmfuncs"> |
376 | <title>Power Management</title> | |
377 | !Ekernel/power/pm.c | |
378 | </chapter> | |
379 | ||
4dc3b16b PP |
380 | <chapter id="devdrivers"> |
381 | <title>Device drivers infrastructure</title> | |
382 | <sect1><title>Device Drivers Base</title> | |
383 | <!-- | |
384 | X!Iinclude/linux/device.h | |
385 | --> | |
386 | !Edrivers/base/driver.c | |
4dc3b16b PP |
387 | !Edrivers/base/core.c |
388 | !Edrivers/base/firmware_class.c | |
389 | !Edrivers/base/transport_class.c | |
390 | !Edrivers/base/dmapool.c | |
391 | <!-- Cannot be included, because | |
392 | attribute_container_add_class_device_adapter | |
393 | and attribute_container_classdev_to_container | |
394 | exceed allowed 44 characters maximum | |
395 | X!Edrivers/base/attribute_container.c | |
396 | --> | |
397 | !Edrivers/base/sys.c | |
398 | <!-- | |
399 | X!Edrivers/base/interface.c | |
400 | --> | |
401 | !Edrivers/base/platform.c | |
402 | !Edrivers/base/bus.c | |
403 | </sect1> | |
404 | <sect1><title>Device Drivers Power Management</title> | |
405 | !Edrivers/base/power/main.c | |
406 | !Edrivers/base/power/resume.c | |
407 | !Edrivers/base/power/suspend.c | |
408 | </sect1> | |
409 | <sect1><title>Device Drivers ACPI Support</title> | |
410 | <!-- Internal functions only | |
411 | X!Edrivers/acpi/sleep/main.c | |
412 | X!Edrivers/acpi/sleep/wakeup.c | |
413 | X!Edrivers/acpi/motherboard.c | |
414 | X!Edrivers/acpi/bus.c | |
415 | --> | |
416 | !Edrivers/acpi/scan.c | |
d758a8fa | 417 | !Idrivers/acpi/scan.c |
4dc3b16b PP |
418 | <!-- No correct structured comments |
419 | X!Edrivers/acpi/pci_bind.c | |
420 | --> | |
421 | </sect1> | |
422 | <sect1><title>Device drivers PnP support</title> | |
423 | !Edrivers/pnp/core.c | |
424 | <!-- No correct structured comments | |
425 | X!Edrivers/pnp/system.c | |
426 | --> | |
427 | !Edrivers/pnp/card.c | |
428 | !Edrivers/pnp/driver.c | |
429 | !Edrivers/pnp/manager.c | |
430 | !Edrivers/pnp/support.c | |
431 | </sect1> | |
432 | </chapter> | |
433 | ||
1da177e4 LT |
434 | <chapter id="blkdev"> |
435 | <title>Block Devices</title> | |
1d193f4f | 436 | !Eblock/ll_rw_blk.c |
1da177e4 LT |
437 | </chapter> |
438 | ||
439 | <chapter id="miscdev"> | |
440 | <title>Miscellaneous Devices</title> | |
441 | !Edrivers/char/misc.c | |
442 | </chapter> | |
443 | ||
7d469722 RD |
444 | <chapter id="parportdev"> |
445 | <title>Parallel Port Devices</title> | |
446 | !Iinclude/linux/parport.h | |
447 | !Edrivers/parport/ieee1284.c | |
448 | !Edrivers/parport/share.c | |
449 | !Idrivers/parport/daisy.c | |
450 | </chapter> | |
451 | ||
1da177e4 LT |
452 | <chapter id="viddev"> |
453 | <title>Video4Linux</title> | |
454 | !Edrivers/media/video/videodev.c | |
455 | </chapter> | |
456 | ||
457 | <chapter id="snddev"> | |
458 | <title>Sound Devices</title> | |
4dc3b16b | 459 | !Iinclude/sound/core.h |
1da177e4 | 460 | !Esound/sound_core.c |
4dc3b16b PP |
461 | !Iinclude/sound/pcm.h |
462 | !Esound/core/pcm.c | |
463 | !Esound/core/device.c | |
464 | !Esound/core/info.c | |
465 | !Esound/core/rawmidi.c | |
466 | !Esound/core/sound.c | |
467 | !Esound/core/memory.c | |
468 | !Esound/core/pcm_memory.c | |
469 | !Esound/core/init.c | |
470 | !Esound/core/isadma.c | |
471 | !Esound/core/control.c | |
472 | !Esound/core/pcm_lib.c | |
473 | !Esound/core/hwdep.c | |
474 | !Esound/core/pcm_native.c | |
475 | !Esound/core/memalloc.c | |
1da177e4 LT |
476 | <!-- FIXME: Removed for now since no structured comments in source |
477 | X!Isound/sound_firmware.c | |
478 | --> | |
479 | </chapter> | |
480 | ||
481 | <chapter id="uart16x50"> | |
482 | <title>16x50 UART Driver</title> | |
4dc3b16b | 483 | !Iinclude/linux/serial_core.h |
1da177e4 LT |
484 | !Edrivers/serial/serial_core.c |
485 | !Edrivers/serial/8250.c | |
486 | </chapter> | |
487 | ||
488 | <chapter id="z85230"> | |
489 | <title>Z85230 Support Library</title> | |
490 | !Edrivers/net/wan/z85230.c | |
491 | </chapter> | |
492 | ||
493 | <chapter id="fbdev"> | |
494 | <title>Frame Buffer Library</title> | |
495 | ||
496 | <para> | |
497 | The frame buffer drivers depend heavily on four data structures. | |
498 | These structures are declared in include/linux/fb.h. They are | |
499 | fb_info, fb_var_screeninfo, fb_fix_screeninfo and fb_monospecs. | |
500 | The last three can be made available to and from userland. | |
501 | </para> | |
502 | ||
503 | <para> | |
504 | fb_info defines the current state of a particular video card. | |
505 | Inside fb_info, there exists a fb_ops structure which is a | |
506 | collection of needed functions to make fbdev and fbcon work. | |
507 | fb_info is only visible to the kernel. | |
508 | </para> | |
509 | ||
510 | <para> | |
511 | fb_var_screeninfo is used to describe the features of a video card | |
512 | that are user defined. With fb_var_screeninfo, things such as | |
513 | depth and the resolution may be defined. | |
514 | </para> | |
515 | ||
516 | <para> | |
517 | The next structure is fb_fix_screeninfo. This defines the | |
518 | properties of a card that are created when a mode is set and can't | |
519 | be changed otherwise. A good example of this is the start of the | |
520 | frame buffer memory. This "locks" the address of the frame buffer | |
521 | memory, so that it cannot be changed or moved. | |
522 | </para> | |
523 | ||
524 | <para> | |
525 | The last structure is fb_monospecs. In the old API, there was | |
526 | little importance for fb_monospecs. This allowed for forbidden things | |
527 | such as setting a mode of 800x600 on a fix frequency monitor. With | |
528 | the new API, fb_monospecs prevents such things, and if used | |
529 | correctly, can prevent a monitor from being cooked. fb_monospecs | |
530 | will not be useful until kernels 2.5.x. | |
531 | </para> | |
532 | ||
533 | <sect1><title>Frame Buffer Memory</title> | |
534 | !Edrivers/video/fbmem.c | |
535 | </sect1> | |
4dc3b16b | 536 | <!-- |
1da177e4 | 537 | <sect1><title>Frame Buffer Console</title> |
4dc3b16b | 538 | X!Edrivers/video/console/fbcon.c |
1da177e4 | 539 | </sect1> |
4dc3b16b | 540 | --> |
1da177e4 LT |
541 | <sect1><title>Frame Buffer Colormap</title> |
542 | !Edrivers/video/fbcmap.c | |
543 | </sect1> | |
544 | <!-- FIXME: | |
545 | drivers/video/fbgen.c has no docs, which stuffs up the sgml. Comment | |
546 | out until somebody adds docs. KAO | |
547 | <sect1><title>Frame Buffer Generic Functions</title> | |
548 | X!Idrivers/video/fbgen.c | |
549 | </sect1> | |
550 | KAO --> | |
551 | <sect1><title>Frame Buffer Video Mode Database</title> | |
552 | !Idrivers/video/modedb.c | |
553 | !Edrivers/video/modedb.c | |
554 | </sect1> | |
555 | <sect1><title>Frame Buffer Macintosh Video Mode Database</title> | |
8f2709b5 | 556 | !Edrivers/video/macmodes.c |
1da177e4 LT |
557 | </sect1> |
558 | <sect1><title>Frame Buffer Fonts</title> | |
559 | <para> | |
560 | Refer to the file drivers/video/console/fonts.c for more information. | |
561 | </para> | |
562 | <!-- FIXME: Removed for now since no structured comments in source | |
563 | X!Idrivers/video/console/fonts.c | |
564 | --> | |
565 | </sect1> | |
566 | </chapter> | |
567 | </book> |