riscv / riscv-aia

https://jira.riscv.org/browse/RVG-59
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APLIC's domaincfg.IE bit and idelivery registers affect only interrupt delivery #57

Open jhauser-us opened 1 year ago

jhauser-us commented 1 year ago

For an APLIC, clarify that an interrupt domain's global IE bit in register domaincfg affects only whether interrupts are delivered to harts (by wire or by MSI), nothing else. The value of domaincfg.IE has no effect on the following:

Likewise, an IDC structure's idelivery register affects only whether interrupts are delivered to the relevant hart; it has no effect on other IDC registers, including topi and claimi.