Lines Matching +full:system +full:- +full:firmware
33 .Nd firmware image loading and management
39 .Bd -literal
40 struct firmware {
41 const char *name; /* system-wide name */
53 .Fa "const struct firmware *parent"
62 .Fn firmware_put "const struct firmware *fp" "int flags"
65 .Nm firmware
67 .Nm firmware images
71 .Nm firmware image
81 firmware subsystem.
84 .Nm firmware
90 specially crafted kernel modules that contain the firmware image.
93 manually at runtime, or on demand by the firmware subsystem.
95 Firmware binary files may also be loaded directly rather than embedded into
99 of the firmware subsystem can request access to a given image
112 the firmware subsystem will try to load it using the
121 firmware API
139 tries to unregister the firmware image
141 from the system.
149 return the requested firmware image.
154 to indicate that errors on firmware load or registration should
157 If the image is not yet registered with the system,
165 Note also that if the firmware image is loaded from a filesystem
180 drops a reference to a firmware image.
187 the firmware image if this is the last reference.
188 By default a firmware image will be deferred to a
192 .Sh FIRMWARE LOADING VIA MODULES
193 As mentioned before, any component of the system can register
194 firmware images at any time by simply calling
198 a firmware image is given control,
203 However, a system can implement additional mechanisms to bring
216 A firmware image named
235 .Sh BUILDING FIRMWARE LOADABLE MODULES
236 A firmware module is built by embedding the
237 .Nm firmware image
244 Various system scripts and makefiles let you build a module
246 .Bd -literal
254 colon-separated tuples indicating the image_file's to be embedded
255 in the module, the imagename and version of each firmware image.
257 If you need to embed firmware images into a system, you should write
261 .Bd -literal
263 compile-with "${AWK} -f $S/tools/fw_stub.awk iwn1000.fw:iwn1000fw -miwn1000fw -c${.TARGET}" \\
264 no-ctfconvert no-implicit-rule before-depend local \\
268 # firmware image so link the file to the object directory to
273 compile-with "${NORMAL_FWO}" \\
274 no-implicit-rule \\
278 Firmware was previously committed to the source tree as uuencoded files,
279 but this is no longer required; the binary firmware file should be committed
282 Note that generating the firmware modules in this way requires
287 .Sh LOADING BINARY FIRMWARE FILES
288 .Ss Binary Firmware Format
289 Binary firmware files can also be loaded, either from
293 cannot find the registered firmware from a kernel module.
294 Binary firmware files are raw binary files that the creator of the firmware
296 They offer an easier way to load firmware, but one that lacks the full
298 .Bl -bullet -compact
300 Binary firmware files only hold one set of firmware.
314 Binary firmware files may be loaded either from the command line with
315 .Dq load -t firmware /boot/firmware/filename
319 .Dq firmware
321 .Bd -literal
323 wififw_name="/boot/firmware/wifi2034_fw.bin"
324 wififw_type="firmware"
327 If no kernel module with an embedded firmware image named
332 .Pa /boot/firmware/ )
339 uses the following algorithm to find firmware images:
340 .Bl -bullet -compact
342 If an existing firmware image is registered for
353 the list of registered firmware images is searched again.
358 in the firmware image path
360 .Pa /boot/firmware/ ) .
362 it contents are registered as a firmware image with the full path as the
364 and that firmware is returned.
365 Currently, there is an 8MB limit on the size of the firmware image.
373 .Pa /boot/firmware
375 .Pa /usr/share/examples/kld/firmware
378 .Nm firmware
379 system was introduced in
381 Binary firmware loading was introduced in