[Cbe-oss-dev] PS3 harddisk access problem

[James Jacobsson]

That did the trick.

Thanks a lot.  I pretty much only got to get the IRQs figured out  
now, and I should be set to stop experimenting, and start porting.

I'll let you know if I need any more help.

/James

On Oct 15, 2007, at 2:13 AM, Geert Uytterhoeven wrote:
> On Mon, 15 Oct 2007, James Jacobsson wrote:
>> On Oct 15, 2007, at 12:29 AM, Geert Uytterhoeven wrote:
>>> On Fri, 12 Oct 2007, James Jacobsson wrote:
>>>> On Oct 12, 2007, at 11:17 AM, Geert Uytterhoeven wrote:
>>> What's the return value of lv1_open_device()?
>>> Note that the order of storage device may be different after each
>>> reboot.
>>
>> The return-value of lv1_open_device() is -6 (LV1_NO_ENTRY).
>
> So there's no such device (yet, see below).
>
>> I actually presumed that the order of the storage-devices could be
>> different on other models of the PS3, but not on the same unit.  No
>> matter though. I iterate the buses on boot, as well as print them to
>> the bootup log, so I'm keeping an eye on them.
>>
>>>>> What's the value of reg in the lv1_storage_read() call?
>>>>
>>>> 0xfffffffffffffff5
>>>
>>> That doesn't look like a valid region ID. So far they always seemed
>>> to match
>>> the region index (i.e. numbered from 0 on).
>>
>> Ah, it would seem that I mis-read your question.
>> Since the hdd reports its "n_regs" key as 0, I used 0 as the region
>> in the lv1_storage_read() call.
>
> If n_regs is 0, the hypervisor hasn't probed the regions yet.
> Linux has a fix for this (commit  
> d51dd3de87026cb0ea1ea5f873f08e930053bfc5),
> but it doesn't look like it's the ideal solution. I'm working on it.
>
> For now, the simplest solution for you is to busy wait until the  
> repository
> reports that n_regs is no longer zero.  After that, you should be  
> able to open
> the device.
>
> Good luck! If you have more questions, you know where to find me...
> (yes, I do like the idea of running AROS on PS3!)
>
> With kind regards,
>
> Geert Uytterhoeven
> Software Architect
>
> Sony Network and Software Technology Center Europe
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