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Possible to use more than 16 interrupts?

0

Hello,

if I understand the architecture correctly, I can only have 16 interrupts [1]. Is this correct? For my current project, it would be good to have 128+ interrupts. Is there any way to achieve this? Except for aggregating interrupts and additional checking on the host/software side.

[1] https://github.com/aws/aws-fpga/blob/master/hdk/docs/AWS_Shell_Interface_Specification.md#interrupts

Regards and thanks.

Topics
Compute
Tags
FPGA Development
Language
English
miob
asked 5 years ago191 views
3 Answers
0
Accepted Answer

Hi miob,

We don't support more than 16 interrupts from CL to shell currently. However, Our roadmap is driven by what matters to our customers. Please send me a personal message about your application needs for having more number of interrupts. It will help us refine roadmap based on customer needs, also we can help you come-up with a solution in the current scenario.

Thank you,
Sunil.

AWS
awssunil
answered 5 years ago
0

Hi miob,

Yes, the architecture supports 16 interrupts (cl_sh_apppf_irq_req[15:0]) from the CL. As you mentioned by, aggregating interrupts and additional host software it is possible to support 128+ interrupts.

Thanks,
Sunil.

AWS
awssunil
answered 5 years ago
  • GOGUL
    10 months ago

    Hi Sunil I am using IPI mode (Vivado GUI) for the integration. Could you please help me on how to connect and where to connect irq_req[15:0] and irq_ack[15:0] ? As well as how to read the interrupt acknowledgement from the shell? Thank you.

0

So there are no plans for native support of more than 16 interrupts?

miob
answered 5 years ago

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