295 lines
8.4 KiB
Groff
295 lines
8.4 KiB
Groff
.\" $NetBSD: ndiscvt.8,v 1.9 2014/03/18 18:20:47 riastradh Exp $
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.\"
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.\" 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: src/usr.sbin/ndiscvt/ndiscvt.8,v 1.5.2.1 2005/02/27 15:40:17 brueffer Exp $
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.\"
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.Dd December 24, 2007
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.Dt NDISCVT 8 i386
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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
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.Nx
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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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.Op Fl n Ar devname
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.Op Fl o Ar outfile
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.Fl s Ar sysfile
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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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ndis
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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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.Nx
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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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indentifier 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 -offset indent -width XfXfirmfileXX
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.\"***************************************************************************
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.\" The section describing the -f option for firmware has been commented out
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.\" Because this is not currently supported on NetBSD.
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.\"***************************************************************************
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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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.\".Nx
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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 filesystem 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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.\".Nx
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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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.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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ndis
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driver and
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.\".Xr ndisapi 9
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ndisapi
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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 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
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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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.Nx
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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 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 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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.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 Mt 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 Mt mdodd@FreeBSD.org .
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