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Jonathan Currier authored
The PowerPC ISA allows for some amount of interrupt vector table relocation, but it is defined in the context of a hypervisor. Kestrel/microwatt does not implement hypervisor, and so lacks the associated registers and logic. Introduce a simple register to set the interrupt vector table base. Kestrel arch interrupt vector base: KAIVB. Provides mapping of 48 bits (bits 14:61) of a 16KiB aligned table.
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