Genode on PC Engines apu2c4 with coreboot
Alexander Boettcher
alexander.boettcher at genode-labs.com
Sun Sep 8 14:25:43 CEST 2019
Hello Jean-Philippe,
thanks (and of course the pcengine maintainer) for the efforts. Let's
see what Sid will tell us.
Alex.
On 06.09.19 20:52, Jean-Philippe Ouellet wrote:
> Fortunately, the pcengines coreboot maintainers are awesome people and
> interested in enabling cool use cases :)
>
> I pointed them at this thread and briefly described the situation &
> motivation, and a MCFG table is now pending review! [1]
>
> If you aren't afraid of reflashing, you may already be unblocked :)
>
> Cheers,
> Jean-Philippe
>
> [1]: https://review.coreboot.org/c/coreboot/+/35286
>
> On Thu, Sep 5, 2019 at 11:41 AM Alexander Boettcher
> <alexander.boettcher at genode-labs.com> wrote:
>>
>> Hello Sid,
>>
>> because of [0] you need with 18.05 a valid MCFG ACPI table to run Genode
>> on x86. The general answer is, that coreboot or companion must provide
>> the tables, otherwise you are out of luck. Maybe the hints at [1] are
>> helpful to start investigation for you coreboot build ?
>>
>> Cheers,
>>
>> Alex.
>>
>> [0]
>> https://genode.org/documentation/release-notes/18.05#Kernel-agnostic_platform-information_handling
>> [1] https://www.coreboot.org/ACPI#acpi_fill_mcfg
>>
>> On 05.09.19 16:06, Sid Hussmann wrote:
>>> Dear Genodians,
>>>
>>> I'm trying to enable Genode on the apu2c4. I successfully could run the test-pci component using branch [1] based on Genode 17.11:
>>>
>>> However, using the genodelabs/master branch results in a ACPI parsing error:
>>> ´[init -> platform_drv] Error: ACPI report parsing error.´
>>>
>>> I set the report_rom to verbose and I noticed following differences:
>>>
>>> # Working version on apu2c4 [1]:
>>>
>>> ´´´
>>> Genode 17.11-103-gd0028480b <local changes>
>>> 4039 MiB RAM and 63253 caps assigned to init
>>> [init -> test-pci] --- Platform test started ---
>>> [init -> acpi_drv] Found MADT
>>> [init -> acpi_drv] MADT IRQ 0 -> GSI 2 flags: 0
>>> [init -> acpi_drv] MADT IRQ 9 -> GSI 9 flags: 15
>>> [init -> acpi_report_rom] report 'acpi_drv -> acpi'
>>> [init -> acpi_report_rom] <acpi>
>>> [init -> acpi_report_rom] <fadt features="0x3c5a5" reset_type="0x1000801" reset_addr="0xcf9" reset_value="0x6"/>
>>> [init -> acpi_report_rom] <irq_override irq="9" gsi="9" flags="0xf"/>
>>> [init -> acpi_report_rom] <irq_override irq="0" gsi="2" flags="0x0"/>
>>> [init -> acpi_report_rom] <routing gsi="0x2b" bridge_bdf="0x15" device="0x0" device_pin="0x3"/>
>>> [init -> acpi_report_rom] <routing gsi="0x2a" bridge_bdf="0x15" device="0x0" device_pin="0x2"/>
>>> [init -> acpi_report_rom] <routing gsi="0x29" bridge_bdf="0x15" device="0x0" device_pin="0x1"/>
>>> ...
>>> [init -> acpi_report_rom] <routing gsi="0x2c" bridge_bdf="0xc0" device="0x1" device_pin="0x0"/>
>>> [init -> acpi_report_rom] </acpi>
>>> [init -> test-pci] 0:0.0 class=0x600 vendor=0x1022 (unknown) device=0x1566
>>> [init -> test-pci] 0:2.0 class=0x600 vendor=0x1022 (unknown) device=0x156b
>>> ...
>>>
>>> ´´´
>>>
>>>
>>> # Broken version on apu2c4 (current master):
>>>
>>> ´´´
>>> Genode 19.08 <local changes>
>>> 4027 MiB RAM and 63253 caps assigned to init
>>> [init -> test-pci] --- Platform test started ---
>>> [init -> acpi_drv] Found MADT
>>> [init -> acpi_drv] MADT IRQ 0 -> GSI 2 flags: 0
>>> [init -> acpi_drv] MADT IRQ 9 -> GSI 9 flags: 15
>>> [init -> acpi_drv] XSDT OEM 'CORE ', table id 'COREBOOT', revision 0, creator 'CORE' (0)
>>> [init -> acpi_report_rom] report 'acpi_drv -> acpi'
>>> [init -> acpi_report_rom] <acpi>
>>> [init -> acpi_report_rom] <root_bridge bdf="0xc0"/>
>>> [init -> acpi_report_rom] <irq_override irq="9" gsi="9" flags="0xf"/>
>>> [init -> acpi_report_rom] <irq_override irq="0" gsi="2" flags="0x0"/>
>>> [init -> acpi_report_rom] <routing gsi="0x2b" bridge_bdf="0x15" device="0x0" device_pin="0x3"/>
>>> [init -> acpi_report_rom] <routing gsi="0x2a" bridge_bdf="0x15" device="0x0" device_pin="0x2"/>
>>> [init -> acpi_report_rom] <routing gsi="0x29" bridge_bdf="0x15" device="0x0" device_pin="0x1"/>
>>> ...
>>> [init -> acpi_report_rom] <routing gsi="0x2c" bridge_bdf="0xc0" device="0x1" device_pin="0x0"/>
>>> [init -> acpi_report_rom] </acpi>
>>> [init -> platform_drv] Error: ACPI report parsing error.
>>> [init -> acpi_drv] SMBIOS table (entry point: 0x163ad0 structures: 0xdffd7020)
>>> [init -> platform_drv] Error: Uncaught exception of type 'int'
>>> [init -> platform_drv] Warning: abort called - thread: ep
>>> [init -> acpi_report_rom] report 'acpi_drv -> smbios_table'
>>> [init -> acpi_report_rom] _SM_b▒
>>> ´´´
>>>
>>>
>>> # on QEMU (current master):
>>>
>>> ´´´
>>> Genode 19.08 <local changes>
>>> 471 MiB RAM and 63253 caps assigned to init
>>> [init -> test-pci] --- Platform test started ---
>>> [init -> acpi_drv] Found MADT
>>> [init -> acpi_drv] MADT IRQ 0 -> GSI 2 flags: 0
>>> [init -> acpi_drv] MADT IRQ 5 -> GSI 5 flags: 13
>>> [init -> acpi_drv] MADT IRQ 9 -> GSI 9 flags: 13
>>> [init -> acpi_drv] MADT IRQ 10 -> GSI 10 flags: 13
>>> [init -> acpi_drv] MADT IRQ 11 -> GSI 11 flags: 13
>>> [init -> acpi_drv] Found MCFG
>>> [init -> acpi_drv] MCFG BASE 0xb0000000 seg 0x0 bus 0x0-0xff
>>> [init -> acpi_drv] RSDT OEM 'BOCHS ', table id 'BXPCRSDT', revision 1, creator 'BXPC' (1)
>>> [init -> acpi_report_rom] report 'acpi_drv -> acpi'
>>> [init -> acpi_report_rom] <acpi>
>>> [init -> acpi_report_rom] <root_bridge bdf="0x0"/>
>>> [init -> acpi_report_rom] <bdf start="0" count="65536" base="0xb0000000"/>
>>> [init -> acpi_report_rom] <irq_override irq="11" gsi="11" flags="0xd"/>
>>> [init -> acpi_report_rom] <irq_override irq="10" gsi="10" flags="0xd"/>
>>> [init -> acpi_report_rom] <irq_override irq="9" gsi="9" flags="0xd"/>
>>> [init -> acpi_report_rom] <irq_override irq="5" gsi="5" flags="0xd"/>
>>> [init -> acpi_report_rom] <irq_override irq="0" gsi="2" flags="0x0"/>
>>> [init -> acpi_report_rom] </acpi>
>>> [init -> platform_drv] ECAM/MMCONF range 00:00.0-ff:1f.7 - addr [00000000b0000000,00000000c0000000)
>>> [init -> acpi_drv] SMBIOS table (entry point: 0x165710 structures: 0xf5730)
>>> [init -> platform_drv] Root bridge: 00:00.0
>>> [init -> acpi_report_rom] report 'acpi_drv -> smbios_table'
>>> [init -> acpi_report_rom] _SM_W
>>> [init -> test-pci] 0:0.0 class=0x600 vendor=0x8086 (Intel) device=0x29c0
>>> [init -> test-pci] 0:1.0 class=0x300 vendor=0x1234 (unknown) device=0x1111
>>> ...
>>>
>>> ´´´
>>>
>>>
>>> Cherry-picking from [1] to the master branch didn't help.
>>>
>>> On QEMU I noticed a ´bdf´ node in the acpi_report. ´platform_drv´ is expecting this node.
>>> The ´bdf´ node is written in ´Acpi::generate_report()´ but only if there is an entry in the ´Pci_config_space´ list.
>>> The only function that inserts something to that list is ´Table_wrapper::parse_mcfg()´, which is called from ´Acpi_table::_parse_tables()´ in case one of the tables has the "MCFG" signature. However, none of the tables seem to have that signature.
>>>
>>> And now I'm lost.
>>> How do I move on?
>>>
>>> Cheers,
>>> Sid
>>>
>>>
>>> [1] https://github.com/chelmuth/genode/commits/cobalt
>>>
>>>
>>> _______________________________________________
>>> Genode users mailing list
>>> users at lists.genode.org
>>> https://lists.genode.org/listinfo/users
>>>
>>
>> --
>> Alexander Boettcher
>> Genode Labs
>>
>> https://www.genode-labs.com - https://www.genode.org
>>
>> Genode Labs GmbH - Amtsgericht Dresden - HRB 28424 - Sitz Dresden
>> Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth
>>
>> _______________________________________________
>> Genode users mailing list
>> users at lists.genode.org
>> https://lists.genode.org/listinfo/users
>
> _______________________________________________
> Genode users mailing list
> users at lists.genode.org
> https://lists.genode.org/listinfo/users
>
--
Alexander Boettcher
Genode Labs
https://www.genode-labs.com - https://www.genode.org
Genode Labs GmbH - Amtsgericht Dresden - HRB 28424 - Sitz Dresden
Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth
More information about the users
mailing list