Kent/n1 - #17
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Add a feature flag that uses a different kernel window map function during boot that maps the kernel window with 1GiB pages instead of 2MiB pages. This enables higher coverage of the memory space to enable access to high untypeds when the platform splits low-mem and high-mem ranges over a distance larger than 512GiB covered by the current window.
LPI are a 4th kind of interrupt for "message signalled interrupts". If they are supported by a GICv3 implementation then they may be coupled with an interrupt translation service(ITS). With this set of changes, the seL4 irq handling model can still support physical LPI interrupts provided that the LPI redistributor and ITS service are correctly managed by another system component. A safe way to do this is to statically configure before the kernel boots and the lack of untypeds to the resources used can prevent any other access during runtime.
This check was too narrow for the platform configuration. The hardware can support injecting much larger interrupt numbers.
This adds initial build support for NeoverseN1 cores
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