Ah, that worked. Thanks! Didn't even think to try that. Will try to make a
pull request adding a note about that to the documentation website when I
get a chance (whenever that is)

-James

On Mon, Oct 30, 2023 at 5:26 AM C.-Y. Wu via gem5-users <gem5-users@gem5.org>
wrote:

> Hello James,
>
> Have you tried:
> int src_cpuId, default="-1",     desc="the id of the cpu core that
> originated the request";
> I think -1 might need to be between quotation marks.
>
> Chia
>
>
> On Sat, Oct 28, 2023 at 10:00 PM James Pangia via gem5-users <
> gem5-users@gem5.org> wrote:
>
>> Hello all,
>>
>> I am trying to add a src_cpuId data member to the MemoryMsg structure in
>> Ruby to help in tracking memory requests from cpu to MemCtrl.
>> MemoryMsg is defined in src/mem/ruby/protocol/RubySlicc_MemControl.sm. I
>> have added the parameter to the structure definition. code snippet below:
>>
>>   int Len,                      desc="size of the memory/dma request";
>> //<-- original code
>>   int src_cpuId, default=-1,     desc="the id of the cpu core that
>> originated the request"; //jpangia
>>   // Not all fields used by all protocols: //<-- original code
>>   PrefetchBit Prefetch,         desc="Is this a prefetch request"; //<--
>> original code
>>
>> For ease of bookkeeping, I'd like to make the default value be -1 for
>> src_cpuId so that requests that didn't originate from a cpu have a
>> src_cpuId of -1. But if I try to set default=-1, then I get the error:
>> "Syntax error at [gem5 root
>> directory]/src/mem/ruby/protocol/RubySlicc_MemControl.sm:83:3570"
>>
>> However, non-negative integers compile fine.
>>
>> Is there a way to set a default value of -1 to a SLICC structure data
>> member, or will I have to just use int_max, or another large value for the
>> code for "no source cpu"?
>>
>> Thank you,
>> -James Pangia
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