diff options
| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:54:44 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:54:44 -0400 |
| commit | a9157ce950dfe2fc30795d43b9d79b9d1bffc48b (patch) | |
| tree | 9df484304b560466d145e662c1c254ff0e9ae0ba /static/openbsd/man4/mpbios.4 | |
| parent | 160aa82b2d39c46ad33723d7d909cb4972efbb03 (diff) | |
docs: Added All OpenBSD Manuals
Diffstat (limited to 'static/openbsd/man4/mpbios.4')
| -rw-r--r-- | static/openbsd/man4/mpbios.4 | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/static/openbsd/man4/mpbios.4 b/static/openbsd/man4/mpbios.4 new file mode 100644 index 00000000..6d16c2d2 --- /dev/null +++ b/static/openbsd/man4/mpbios.4 @@ -0,0 +1,59 @@ +.\" $OpenBSD: mpbios.4,v 1.1 2009/01/13 13:55:03 kettenis Exp $ +.\" +.\" Copyright (c) 2009 Mark Kettenis <kettenis@openbsd.org> +.\" +.\" Permission to use, copy, modify, and distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +.\" +.Dd $Mdocdate: January 13 2009 $ +.Dt MPBIOS 4 i386 +.Os +.Sh NAME +.Nm mpbios +.Nd MP BIOS +.Sh SYNOPSIS +.Cd "mpbios0 at bios0" +.Sh DESCRIPTION +The +.Nm +driver extracts configuration information from the BIOS on +multiprocessor systems that conform to the Intel MultiProcessor +Specification. +This information is used to attach application processors and APICs, +and to assign interrupts to ISA, EISA and PCI devices. +.Pp +On modern systems this information is provided by ACPI through the +.Xr acpimadt 4 +device. +On such a system +.Nm +will not attach, even if the BIOS also contains the data structures +specified by the Intel MP Specification. +.Pp +The +.Nm +driver supports version 1.1 and 1.4 of the Intel MP Specification. +.Sh SEE ALSO +.Xr acpi 4 , +.Xr acpimadt 4 , +.Xr bios 4 , +.Xr cpu 4 , +.Xr intro 4 , +.Xr ioapic 4 , +.Xr pcibios 4 +.Sh HISTORY +The +.Nm +driver first appeared in +.Ox 4.5 , +based on code present since +.Ox 3.6 . |