On 06/20/2013 01:16 PM, Alexander Graf wrote:
>
> On 18.06.2013, at 18:04, Fabien Chouteau wrote:
>
>> On 06/18/2013 05:31 PM, Alexander Graf wrote:
>>>> + for (type = 0; type < 2; type++)
>>>
>>> You need braces on these. Please run your patch through checkpatch.pl :).
>>
>> I did ;)
>>
>> -> ./scripts/checkpatch.pl 0001-PPC-Add-dump_mmu-for-6xx.patch
>> total: 0 errors, 0 warnings, 51 lines checked
>>
>> 0001-PPC-Add-dump_mmu-for-6xx.patch has no obvious style problems and is
>> ready for submission.
>
> Meh - broken script :). According to the CODING_STYLE convention all of the
> above need to be cluttered with braces ;).
Will do.
>>>> + for (way = 0; way < env->nb_ways; way++)
>>>> + for (entry = env->nb_tlb * type + env->tlb_per_way * way;
>>>> + entry < (env->nb_tlb * type + env->tlb_per_way * (way +
>>>> 1));
>>>> + entry++) {
>>>> +
>>>> + tlb = &env->tlb.tlb6[entry];
>>>> + cpu_fprintf(f, "TLB %02d/%02d %s way:%d %s ["
>>>> + TARGET_FMT_lx " " TARGET_FMT_lx "]\n",
>>>> + entry % env->nb_tlb, env->nb_tlb,
>>>> + type ? "code" : "data", way,
>>>> + pte_is_valid(tlb->pte0) ? "valid" : "inval",
>>>> + tlb->EPN, tlb->EPN + TARGET_PAGE_SIZE);
>>>> + }
>>>
>>> I thought 6xx and 74xx also support HTAB and SRs? Shouldn't we dump those
>>> as well?
>>>
>>
>> I don't know what that is, can you send me an example of what the printf
>> line should be?
>
> SRs are similar to the SLB that book3s_64 print out. Just that there are a
> fixed smaller number of them (16). Basically you'd dump the env->sr array,
> similar to how the debug functions in get_segment_6xx_tlb() dump it.
>
> For the HTAB I think SDR1 should be enough, so you don't need to do too much
> here. If you like, you can just dump the decoded fields env->htab_base and
> env->htab_mask. Dumping the whole HTAB would just explode the output.
>
> However, you also should definitely dump all (valid) BATs. Check out
> get_bat_6xx_tlb() for debug code that dumps BATs.
>
Ok I'll have a look at that, and BATs should definitely be printed out.
--
Fabien Chouteau
