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Add support for NMIs to ot_earlgrey#111

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AlexJones0 wants to merge 11 commits intolowRISC:ot-earlgrey-9.1.0lowRISC/qemu:ot-earlgrey-9.1.0from AlexJones0:eg_nmiAlexJones0/qemu:eg_nmiCopy head branch name to clipboard

Commits

Commits on Jan 22, 2025

• [ot] hw/opentitan: ot_aon_timer: Make wakeup timer 64 bits

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• [ot] hw/riscv: ot_earlgrey: Connect device alerts to alert handler

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• [ot] hw/riscv: ot_earlgrey: Connect alert escalation severities

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• [ot] hw/opentitan: Use QEMU IRQs instead of Ibex IRQs for alerts

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• [ot] target/riscv: Add support for Non-Maskable Interrupts

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• [ot] hw/opentitan: ot_ibex_wrapper: Add NMI support to Ibex Wrapper

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• [ot] hw/opentitan: ot_ibex_wrapper: Make NMI registers rw1s/rw1c

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• [ot] hw/riscv: ot_earlgrey: Set NMI mcause for Ibex to 31

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• [ot] hw/opentitan: ot_aon_timer: Connect watchdog bark NMI

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• [ot] hw/opentitan: ot_alert: Connect alert phase 0 NMI

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• [ot] hw/intc: Only clear pending IRQs at PLIC when claimed

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