f795e7c0ec
This commit introduces a new fault type, seL4_Fault_VPPIEvent. This change means the kernel can reserve PPI interrupts and virtualise them via delivering the irq to the active vcpu through a specific fault. This enables multiplexing PPI IRQs across multiple VCPUS which requires correctly masking and unmasking the IRQ depending on which VCPU is running. A new VCPU invocation, seL4_ARM_VCPU_AckVPPI is also added for acknowledging the handling of the IRQ. This takes an IRQ as a parameter but will only accept IRQ numbers that are sent as VPPIEvent faults. Co-authored-by: Rafal Kolanski <rafal.kolanski@data61.csiro.au> Co-authored-by: Kent McLeod <Kent.Mcleod@data61.csiro.au> |
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