Hi Robert,
The documents says:

> Connecting the PIO and interrupt ports to the memory bus is an
> x86-specific requirement. Other ISAs (e.g., ARM) do not require these 3
> extra lines.

See: https://www.gem5.org/documentation/learning_gem5/part1/simple_config/

BR,
Zhong

Robert Kingsly via gem5-users <gem5-users@gem5.org> 于2025年3月11日周二 17:00写道:

> Hi
>
> The following interrupt control definition doesn't seem to work for RISCV
> builds, while it does for X86.
>
> system.cpu.createInterruptController()
> system.cpu.interrupts[0].pio                    =
> system.membus.mem_side_ports
> system.cpu.interrupts[0].int_requestor    = system.membus.cpu_side_ports
> system.cpu.interrupts[0].int_responder   = system.membus.mem_side_ports
>
>
> Wondering if there is any name/type change. Could you point me to relevant
> documents.
>
> regards
> Robert K
>
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