cvs commit: src/usr.sbin/acpi/acpidump acpi.c acpidump.c acpidump.h

Nate Lawson nate at
Tue Oct 5 10:52:01 PDT 2004

Takanori Watanabe wrote:
> In message <200410050218.i952IrBK008982 at>, Nate Lawson wrote
>>njl         2004-10-05 02:18:53 UTC
>> FreeBSD src repository
>> Modified files:
>>   usr.sbin/acpi/acpidump acpi.c acpidump.c acpidump.h 
>> Log:
>> Add the -s flag to make dumping SSDTs optional (disabled by default).
>> Since we can only override the DSDT, a custom ASL dumped previously that
>> contained SSDTs would result in lots of multiple definition errors.
>> A longer-term fix involves adding the ability to override SSDTs to ACPI-CA.
> iasl(8) may have to be able to compile multiple AML codes from single 
> ASL data, instead of merging SSDT into DSDT in acpidump(8).

I think the most straightforward fix is for ACPI-CA to not load SSDT 
tables when the user is overriding the DSDT.  If you treat overridden 
SSDTs separately, you go down the path of having to specify _which_ 
table you want to override, which implies you need strict ordering of 
tables in both ASL and AML and it just gets too complicated.  Some HP 
Itanium machines have 8 to 10 SSDTs.


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