d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update the man page with new info about overriding your DSDT.

Browse Source 
MFC after:	3 days
This commit is contained in:
Nate Lawson 2004-10-05 20:42:16 +00:00
parent 67e87637df
commit 287460e87c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=136163
1 changed files with 12 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
share/man/man4/acpi.4
View File

@ -318,20 +318,22 @@ bus/children scan of the namespace.
The ACPI CA code will still
know about the avoided region.
.Sh OVERRIDING YOUR BIOS BYTECODE
ACPI interprets bytecode named AML, ACPI Machine Language, provided by the BIOS
vendor as a memory image at boot time.
Sometimes, the AML code contains
a problem that does not appear in the Microsoft implementation.
So we provide a way to override it with your own AML code.
ACPI interprets bytecode named AML
(ACPI Machine Language)
provided by the BIOS vendor as a memory image at boot time.
Sometimes, the AML code contains a bug that does not appear when parsed
by the Microsoft implementation.
.Fx
provides a way to override it with your own AML code to workaround
or debug such problems.
Note that all AML in your DSDT and any SSDT tables is overridden.
.Pp
In order to load your AML code,
you must edit
In order to load your AML code, you must edit
.Pa /boot/loader.conf
and
include the following lines.
and include the following lines.
.Bd -literal -offset indent
acpi_dsdt_load="YES"
acpi_dsdt_name="/boot/acpi_dsdt.aml" #You may change the name.
acpi_dsdt_name="/boot/acpi_dsdt.aml" # You may change this name.
.Ed
.Pp
In order to prepare your AML code, you will need the