0467614a12
Approved by: re (kensmith) The merged revisions/files are: Revision Path 1.10 src/lib/libarchive/archive_entry.3 1.21 src/lib/libarchive/archive_read.3 1.8 src/lib/libautofs/libautofs.3 1.10 src/lib/libc/net/inet6_rth_space.3 1.8 src/lib/libc/posix1e/acl_get_entry.3 1.15 src/lib/libc/posix1e/mac.3 1.7 src/lib/libc/posix1e/mac_prepare.3 1.37 src/lib/libc/stdtime/strftime.3 1.16 src/lib/libc/sys/kse.2 1.8 src/lib/libc/sys/uuidgen.2 1.4 src/share/man/man4/man4.i386/acpi_ibm.4 1.6 src/share/man/man4/man4.i386/acpi_panasonic.4 1.40 src/share/man/man4/man4.i386/ep.4 1.6 src/share/man/man4/man4.i386/pbio.4 1.5 src/share/man/man4/man4.i386/snc.4 1.2 src/share/man/man4/man4.sparc64/openprom.4 1.4 src/share/man/man4/man4.sparc64/snd_audiocs.4 1.11 src/share/man/man4/witness.4 1.3 src/share/man/man5/devfs.conf.5 1.51 src/share/man/man9/ifnet.9 1.7 src/share/man/man9/printf.9 1.12 src/usr.bin/file2c/file2c.1 1.27 src/usr.bin/indent/indent.1 1.17 src/usr.bin/lockf/lockf.1 1.90 src/usr.bin/make/make.1 1.45 src/usr.bin/systat/systat.1 1.19 src/usr.bin/truss/truss.1 1.33 src/usr.bin/xinstall/install.1 1.11 src/usr.sbin/bluetooth/rfcomm_pppd/rfcomm_pppd.8 1.4 src/usr.sbin/bluetooth/sdpd/sdpd.8 1.9 src/usr.sbin/bsnmpd/modules/snmp_netgraph/snmp_netgraph.3 1.36 src/usr.sbin/i4b/isdnd/isdnd.rc.5 1.53 src/usr.sbin/mtree/mtree.8 1.8 src/usr.sbin/ndiscvt/ndiscvt.8 1.13 src/usr.sbin/ntp/doc/ntpdc.8 1.26 src/usr.sbin/pppd/pppd.8 1.40 src/usr.sbin/syslogd/syslog.conf.5 1.5 src/usr.sbin/wpa/wpa_supplicant/wpa_supplicant.conf.5
285 lines
7.6 KiB
Groff
285 lines
7.6 KiB
Groff
.\" Copyright (c) 2003
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.\" Bill Paul <wpaul@windriver.com> All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Bill Paul.
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.\" 4. Neither the name of the author nor the names of any co-contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd December 10, 2003
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.Dt NDISCVT 8
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.Os
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.Sh NAME
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.Nm ndiscvt
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.Nd convert
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.Tn Windows\[rg]
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NDIS drivers for use with FreeBSD
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.Sh SYNOPSIS
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.Nm
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.Op Fl O
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.Op Fl i Ar inffile
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.Fl s Ar sysfile
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.Op Fl n Ar devname
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.Op Fl o Ar outfile
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.Nm
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.Op Fl f Ar firmfile
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.Sh DESCRIPTION
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The
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.Nm
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utility transforms a
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.Tn Windows\[rg]
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NDIS driver into a data file which
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is used to build an
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.Xr ndis 4
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compatibility driver module.
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.Tn Windows\[rg]
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drivers consist of two main parts: a
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.Pa .SYS
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file, which contains the actual driver executable code,
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and an
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.Pa .INF
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file, which provides the
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.Tn Windows\[rg]
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installer with device
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identifier information and a list of driver-specific registry keys.
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The
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.Nm
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utility can convert these files into a header file that is compiled
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into
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.Pa if_ndis.c
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to create an object code module that can be linked into
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the
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.Fx
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kernel.
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.Pp
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The
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.Pa .INF
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file is typically required since only it contains device
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identification data such as PCI vendor and device IDs or PCMCIA
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identifier strings.
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The
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.Pa .INF
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file may be optionally omitted however,
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in which case the
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.Nm
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utility will only perform the conversion of the
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.Pa .SYS
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file.
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This is useful for debugging purposes only.
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.Sh OPTIONS
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The options are as follows:
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.Bl -tag -width indent
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.It Fl i Ar inffile
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Open and parse the specified
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.Pa .INF
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file when performing conversion.
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The
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.Nm
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utility will parse this file and emit a device identification
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structure and registry key configuration structures which will be
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used by the
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.Xr ndis 4
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driver and
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.Xr ndisapi 9
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kernel subsystem.
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If this is omitted,
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.Nm
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will emit a dummy configuration structure only.
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.It Fl s Ar sysfile
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Open and parse the specified
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.Pa .SYS
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file.
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This file must contain a
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.Tn Windows\[rg]
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driver image.
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The
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.Nm
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utility will perform some manipulation of the sections within the
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executable file to make runtime linking within the kernel a little
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easier and then convert the image into a data array.
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.It Fl n Ar devname
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Specify an alternate name for the network device/interface which will
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be created when the driver is instantiated.
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If you need to load more
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than one NDIS driver into your system (i.e., if you have two different
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network cards in your system which require NDIS driver support), each
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module you create must have a unique name.
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Device can not be larger than
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.Dv IFNAMSIZ .
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If no name is specified, the driver will use the
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default a default name
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.Pq Dq Li ndis .
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.It Fl o Ar outfile
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Specify the output file in which to place the resulting data.
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This can be any file pathname.
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If
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.Ar outfile
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is a single dash
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.Pq Sq Fl ,
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the data will be written to the standard output.
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The
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.Pa if_ndis.c
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module expects to find the driver data in a file called
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.Pa ndis_driver_data.h ,
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so it is recommended that this name be used.
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.It Fl O
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Generate both an
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.Pa ndis_driver_data.h
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file and
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an
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.Pa ndis_driver.data.o
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file.
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The latter file will contain a copy of the
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.Tn Windows\[rg]
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.Pa .SYS
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driver image encoded as a
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.Fx
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ELF object file
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(created with
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.Xr objcopy 1 ) .
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Turning the
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.Tn Windows\[rg]
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driver image directly into an object code file saves disk space
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and compilation time.
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.It Fl f Ar firmfile
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A few NDIS drivers come with additional files that the core
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driver module will load during initialization time.
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Typically,
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these files contain firmware which the driver will transfer to
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the device in order to make it fully operational.
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In
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.Tn Windows\[rg] ,
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these files are usually just copied into one of the system
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directories along with the driver itself.
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.Pp
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In
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.Fx
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there are two mechanism for loading these files.
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If the driver
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is built as a loadable kernel module which is loaded after the
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kernel has finished booting
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(and after the root file system has
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been mounted),
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the extra files can simply be copied to the
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.Pa /compat/ndis
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directory, and they will be loaded into the kernel on demand when the
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the driver needs them.
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.Pp
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If however the driver is required to bootstrap the system
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(i.e., if
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the NDIS-based network interface is to be used for diskless/PXE
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booting),
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the files need to be pre-loaded by the bootstrap
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loader in order to be accessible, since the driver will need them
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before the root file system has been mounted.
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However, the bootstrap
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loader is only able to load files that are shared
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.Fx
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binary objects.
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.Pp
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The
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.Fl f
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flag can be used to convert an arbitrary file
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.Ar firmfile
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into shared object format
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(the actual conversion is done using
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the
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.Xr objcopy 1
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and
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.Xr ld 1
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commands).
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The resulting files can then be copied to the
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.Pa /boot/kernel
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directory, and can be pre-loaded directly from the boot loader
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prompt, or automatically by editing the
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.Xr loader.conf 5
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file.
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If desired, the files can also be loaded into memory
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at runtime using the
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.Xr kldload 8
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command.
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.Pp
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When an NDIS driver tries to open an external file, the
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.Xr ndisapi 9
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code will first search for a loaded kernel module that matches the
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name specified in the open request, and if that fails, it will then
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try to open the file from the
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.Pa /compat/ndis
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directory as well.
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Note that during kernel bootstrap, the ability
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to open files from
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.Pa /compat/ndis
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is disabled: only the module search will be performed.
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.Pp
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When using the
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.Fl f
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flag,
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.Nm
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will generate both a relocatable object file
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(with a
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.Pa .o
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extension)
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and a shared object file
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(with a
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.Pa .ko
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extension).
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The shared object is the one that should be placed in
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the
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.Pa /boot/kernel
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directory.
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The relocatable object file is useful if the user wishes
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to create a completely static kernel image: the object file can be
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linked into the kernel directly along with the driver itself.
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Some
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editing of the kernel configuration files will be necessary in order
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to have the extra object included in the build.
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.El
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.Sh SEE ALSO
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.Xr ld 1 ,
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.Xr objcopy 1 ,
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.Xr ndis 4 ,
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.Xr kldload 8 ,
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.Xr ndisapi 9
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Fx 5.3 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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utility was written by
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.An Bill Paul Aq wpaul@windriver.com .
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The
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.Xr lex 1
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and
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.Xr yacc 1
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.Pa INF
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file parser was written by
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.An Matthew Dodd Aq mdodd@FreeBSD.org .
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