[OpenBIOS] Back at it again( PCI Passthrough )

[Jd Lyons]

Sorry., it’s returning:

>> =============================================================
>> OpenBIOS 1.1 [May 11 2018 10:49]
>> Configuration device id QEMU version 1 machine id 1
>> CPUs: 1
>> Memory: 256M
>> UUID: 00000000-0000-0000-0000-000000000000
>> CPU type PowerPC,G4
milliseconds isn't unique.
Welcome to OpenBIOS v1.1 built on May 11 2018 10:49

0 > cd /pci/NE2000    ok
0 > .properties 
name                      "NE2000"
vendor-id                 10ec 
device-id                 8029 
revision-id               0 
class-code                20000 
interrupts                1 
min-grant                 0 
max-latency               0 
devsel-speed              0 
subsystem-vendor-id       1af4 
subsystem-id              1100 
cache-line-size           0 
device_type               "network"
model                     "NE2000 PCI"
assigned-addresses        -- 14 : 01 00 70 10 00 00 00 00 00 00 10 00 00 00 00 00 00 00 01 00 
reg                       00007000 00000000 00000000   00000000 00000000
                          01007010 00000000 00000000   00000000 00000100
network-type              "ethernet"
removable                 "network"
category                  "net"
 ok
0 > cd ..    ok
0 > 1000 config-l@ u. ffffffff  ok
0 > 


> On May 11, 2018, at 10:43 AM, Jd Lyons via OpenBIOS <openbios at openbios.org> wrote:
> 
> 
> 
>> On May 11, 2018, at 4:11 AM, Mark Cave-Ayland <mark.cave-ayland at ilande.co.uk> wrote:
>> 
>> On 11/05/18 08:11, Jd Lyons via OpenBIOS wrote:
>> 
>>> Seems I could add config-1@ as a colon definition, however I’m not sure how too deal with r1@?
>>> : rl at -le  rl@ lbflip ;
>>> : >config  f1000000 + ;
>>> : config-l@  >config cr ." config-l@ " dup . rl at -le space dup . ;
>>> Just can’t figure how r1@ is implemented in SLOF?
>> 
>> That's definitely the long way around. Attached is a quick and dirty hack for PPC-only that implements config-l@ for reference:
>> 
>> $ ./qemu-system-ppc -nographic -bios /home/build/src/openbios/openbios.git/openbios/obj-ppc/openbios-qemu.elf.nostrip
>> 
>>>> =============================================================
>>>> OpenBIOS 1.1 [May 11 2018 07:49]
>>>> Configuration device id QEMU version 1 machine id 2
>>>> CPUs: 1
>>>> Memory: 128M
>>>> UUID: 00000000-0000-0000-0000-000000000000
>>>> CPU type PowerPC,750
>> milliseconds isn't unique.
>> Welcome to OpenBIOS v1.1 built on May 11 2018 07:49
>> Trying hd:,\\:tbxi...
>> Trying hd:,\ppc\bootinfo.txt...
>> Trying hd:,%BOOT...
>> No valid state has been set by load or init-program
>> 
>> 0 > cd /pci/NE2000  ok
>> 0 > .properties
>> name                      "NE2000"
>> vendor-id                 10ec
>> device-id                 8029
>> revision-id               0
>> class-code                20000
>> AAPL,interrupts           17
>> min-grant                 0
>> max-latency               0
>> devsel-speed              0
>> subsystem-vendor-id       1af4
>> subsystem-id              1100
>> cache-line-size           0
>> device_type               "network"
>> model                     "NE2000 PCI"
>> assigned-addresses        -- 14 : 01 00 10 10 00 00 00 00 00 00 10 00 00 00 00 00 00 00 01 00
>> AAPL,address              fe001000
>> reg                       00001000 00000000 00000000   00000000 00000000
>>                         01001010 00000000 00000000   00000000 00000100
>> network-type              "ethernet"
>> removable                 "network"
>> category                  "net"
>> ok
>> 0 > cd ..  ok
>> 0 > 1000 config-l@ u. 802910ec  ok
>> 0 >
>> 
>> My reading of the IEEE-1275 PCI bindings is that you take the first 32-bit word of "reg" for the PCI configuration space address, so as you can see we return the device-id/vendor-id for the NE2000 NIC as above.
>> 
> 
> 
> 
>> 
>> ATB,
>> 
>> Mark.
>> <openbios-config-l-hack.patch>
> 
> 
> Not working correctly, 1000 config-l@ u. Returns f1001000?
> -- 
> OpenBIOS                 http://openbios.org/ <http://openbios.org/>
> Mailinglist:  http://lists.openbios.org/mailman/listinfo <http://lists.openbios.org/mailman/listinfo>
> Free your System - May the Forth be with you

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.coreboot.org/pipermail/openbios/attachments/20180511/96661d2f/attachment-0001.html>