Re: [Qemu-devel] [PATCH v15 2/2] patch dsdt to use passed-in pvpanic ioport

[Paolo Bonzini]

Il 26/03/2013 08:24, Hu Tao ha scritto:
>>> > > ACPI_EXTRACT_NAME_WORD_CONST dsdt_isa_pest generates two dsdt_isa_pest,
>>> > > one in out/acpi-dsdt.hex the other in out/q35-acpi-dsdt.hex. We should
>>> > > use the one in q35-acpi-dsdt.hex to patch DSDT for q35. But including
>>> > > q35-acpi-dsdt.hex, along with acpi-dsdt.hex, will result in redefinition
>>> > > of dsdt_isa_pest. I didn't see a simple way to solve this.
>> > 
>> > Compile it in a separate file and include it in the SSDT (build_ssdt in
>> > src/acpi.c).
> Doesn't work. iasl gives an error:
> 
> Data Table Compiler is not available yet
> 
> Even though it compiles, I think the generated offset (*dsdt_isa_pest)
> won't be correct because it depends on acpi-dsdt.dsl/q35-acpi-dsdt.dsl.

See how it is done for ssdt-misc.aml (in fact, you can simply extend
ssdt-misc.aml).

Paolo