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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| .\" $OpenBSD: intro.4,v 1.1 2021/08/06 06:35:13 jsg Exp $ | ||
| .\" | ||
| .\" Copyright (c) 1983, 1986, 1991 Regents of the University of California. | ||
| .\" All rights reserved. | ||
| .\" | ||
| .\" Redistribution and use in source and binary forms, with or without | ||
| .\" modification, are permitted provided that the following conditions | ||
| .\" are met: | ||
| .\" 1. Redistributions of source code must retain the above copyright | ||
| .\" notice, this list of conditions and the following disclaimer. | ||
| .\" 2. Redistributions in binary form must reproduce the above copyright | ||
| .\" notice, this list of conditions and the following disclaimer in the | ||
| .\" documentation and/or other materials provided with the distribution. | ||
| .\" 3. Neither the name of the University nor the names of its contributors | ||
| .\" may be used to endorse or promote products derived from this software | ||
| .\" without specific prior written permission. | ||
| .\" | ||
| .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
| .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
| .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| .\" SUCH DAMAGE. | ||
| .\" | ||
| .Dd $Mdocdate: August 6 2021 $ | ||
| .Dt INTRO 4 octeon | ||
| .Os | ||
| .Sh NAME | ||
| .Nm intro | ||
| .Nd introduction to special files and hardware support | ||
| .Sh DESCRIPTION | ||
| The manual pages in section 4 describe the special files, | ||
| related driver functions, and networking support | ||
| available in the system. | ||
| In this part of the manual, the SYNOPSIS section of | ||
| each configurable device gives a sample specification | ||
| for use in constructing a system description for the | ||
| .Xr config 8 | ||
| program. | ||
| The DIAGNOSTICS section lists messages which may appear on the console | ||
| and/or in the system error log | ||
| .Pa /var/log/messages | ||
| due to errors in device operation; | ||
| see | ||
| .Xr syslogd 8 | ||
| for more information. | ||
| .Pp | ||
| This section contains both devices | ||
| which may be configured into the system | ||
| and network related information. | ||
| The networking support is introduced in | ||
| .Xr netintro 4 . | ||
| .Sh DEVICE SUPPORT | ||
| This section describes the hardware supported on the | ||
| octeon | ||
| platform. | ||
| Software support for these devices comes in two forms. | ||
| A hardware device may be supported with a character or block | ||
| .Em device driver , | ||
| or it may be used within the networking subsystem and have a | ||
| .Em network interface driver . | ||
| Block and character devices are accessed through files in the file | ||
| system of a special type; see | ||
| .Xr mknod 8 . | ||
| Network interfaces are indirectly accessed through the interprocess | ||
| communication facilities provided by the system; see | ||
| .Xr socket 2 . | ||
| .Pp | ||
| A hardware device is identified to the system at configuration time | ||
| and the appropriate device or network interface driver is then compiled | ||
| into the system. | ||
| When the resultant system is booted, the autoconfiguration facilities | ||
| in the system probe for the device and, if found, enable the software | ||
| support for it. | ||
| If a device does not respond at autoconfiguration | ||
| time it is not accessible at any time afterwards. | ||
| To enable a device which did not autoconfigure, | ||
| the system will have to be rebooted. | ||
| .Pp | ||
| The autoconfiguration system is described in | ||
| .Xr autoconf 4 . | ||
| .Sh LIST OF DEVICES | ||
| A complete list of available devices is contained within the pages | ||
| describing the system buses and controllers. | ||
| For example, a PCI device would be listed in the | ||
| .Xr pci 4 | ||
| man page. | ||
| The following buses and controllers list these devices: | ||
| .Pp | ||
| .Bl -tag -width "cardbus(4)XX" -offset 3n -compact | ||
| .It Xr onewire 4 | ||
| 1-Wire bus | ||
| .It Xr pci 4 | ||
| introduction to PCI bus support | ||
| .It Xr usb 4 | ||
| introduction to Universal Serial Bus support | ||
| .El | ||
| .Sh SEE ALSO | ||
| .Xr autoconf 4 , | ||
| .Xr config 8 | ||
| .Sh HISTORY | ||
| The | ||
| octeon | ||
| .Nm intro | ||
| first appeared in | ||
| .Ox 7.0 . |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| .\" $OpenBSD: intro.4,v 1.1 2021/08/06 06:35:13 jsg Exp $ | ||
| .\" | ||
| .\" Copyright (c) 1983, 1986, 1991 Regents of the University of California. | ||
| .\" All rights reserved. | ||
| .\" | ||
| .\" Redistribution and use in source and binary forms, with or without | ||
| .\" modification, are permitted provided that the following conditions | ||
| .\" are met: | ||
| .\" 1. Redistributions of source code must retain the above copyright | ||
| .\" notice, this list of conditions and the following disclaimer. | ||
| .\" 2. Redistributions in binary form must reproduce the above copyright | ||
| .\" notice, this list of conditions and the following disclaimer in the | ||
| .\" documentation and/or other materials provided with the distribution. | ||
| .\" 3. Neither the name of the University nor the names of its contributors | ||
| .\" may be used to endorse or promote products derived from this software | ||
| .\" without specific prior written permission. | ||
| .\" | ||
| .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
| .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
| .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| .\" SUCH DAMAGE. | ||
| .\" | ||
| .Dd $Mdocdate: August 6 2021 $ | ||
| .Dt INTRO 4 riscv64 | ||
| .Os | ||
| .Sh NAME | ||
| .Nm intro | ||
| .Nd introduction to special files and hardware support | ||
| .Sh DESCRIPTION | ||
| The manual pages in section 4 describe the special files, | ||
| related driver functions, and networking support | ||
| available in the system. | ||
| In this part of the manual, the SYNOPSIS section of | ||
| each configurable device gives a sample specification | ||
| for use in constructing a system description for the | ||
| .Xr config 8 | ||
| program. | ||
| The DIAGNOSTICS section lists messages which may appear on the console | ||
| and/or in the system error log | ||
| .Pa /var/log/messages | ||
| due to errors in device operation; | ||
| see | ||
| .Xr syslogd 8 | ||
| for more information. | ||
| .Pp | ||
| This section contains both devices | ||
| which may be configured into the system | ||
| and network related information. | ||
| The networking support is introduced in | ||
| .Xr netintro 4 . | ||
| .Sh DEVICE SUPPORT | ||
| This section describes the hardware supported on the | ||
| riscv64 | ||
| platform. | ||
| Software support for these devices comes in two forms. | ||
| A hardware device may be supported with a character or block | ||
| .Em device driver , | ||
| or it may be used within the networking subsystem and have a | ||
| .Em network interface driver . | ||
| Block and character devices are accessed through files in the file | ||
| system of a special type; see | ||
| .Xr mknod 8 . | ||
| Network interfaces are indirectly accessed through the interprocess | ||
| communication facilities provided by the system; see | ||
| .Xr socket 2 . | ||
| .Pp | ||
| A hardware device is identified to the system at configuration time | ||
| and the appropriate device or network interface driver is then compiled | ||
| into the system. | ||
| When the resultant system is booted, the autoconfiguration facilities | ||
| in the system probe for the device and, if found, enable the software | ||
| support for it. | ||
| If a device does not respond at autoconfiguration | ||
| time it is not accessible at any time afterwards. | ||
| To enable a device which did not autoconfigure, | ||
| the system will have to be rebooted. | ||
| .Pp | ||
| The autoconfiguration system is described in | ||
| .Xr autoconf 4 . | ||
| .Sh LIST OF DEVICES | ||
| A complete list of available devices is contained within the pages | ||
| describing the system buses and controllers. | ||
| For example, a PCI device would be listed in the | ||
| .Xr pci 4 | ||
| man page. | ||
| The following buses and controllers list these devices: | ||
| .Pp | ||
| .Bl -tag -width "cardbus(4)XX" -offset 3n -compact | ||
| .It Xr iic 4 | ||
| Inter IC (I2C) bus | ||
| .It Xr pci 4 | ||
| introduction to PCI bus support | ||
| .It Xr usb 4 | ||
| introduction to Universal Serial Bus support | ||
| .El | ||
| .Sh SEE ALSO | ||
| .Xr autoconf 4 , | ||
| .Xr config 8 | ||
| .Sh HISTORY | ||
| The | ||
| riscv64 | ||
| .Nm intro | ||
| first appeared in | ||
| .Ox 7.0 . |