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Re: [RFC PATCH v2 13/29] target/ppc: remove unused interrupts from p8_pe


From: Fabiano Rosas
Subject: Re: [RFC PATCH v2 13/29] target/ppc: remove unused interrupts from p8_pending_interrupt
Date: Tue, 27 Sep 2022 19:14:09 -0300

Matheus Ferst <matheus.ferst@eldorado.org.br> writes:

> Remove the following unused interrupts from the POWER8 interrupt masking
> method:
> - PPC_INTERRUPT_RESET: only raised for 6xx, 7xx, 970, and POWER5p;
> - Debug Interrupt: removed in Power ISA v2.07;
> - Hypervisor Virtualization: introduced in Power ISA v3.0;
> - Critical Input, Watchdog Timer, and Fixed Interval Timer: only defined
>   for embedded CPUs;
> - Hypervisor Doorbell, Doorbell, and Critical Doorbell: processor does

We still need the first two.
0xe80 - Directed hypervisor doorbell
0xa00 - Directed privileged doorbell

>   not implement the "Embedded.Processor Control" category;
> - Programmable Interval Timer: 40x-only;
> - PPC_INTERRUPT_THERM: only raised for 970 and POWER5p;
>



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