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22 lines
742 B
Plaintext
22 lines
742 B
Plaintext
This document describes the state of a uniprocessor PC at each of the IRQ
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levels supported by the ReactOS kernel
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PASSIVE_LEVEL: IF bit clear in the processor flags
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All irqs umasked at the PIC
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APC_LEVEL: Unknown
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WAKE_LEVEL: Unknown
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DISPATCH_LEVEL: IF bit clear in the processor flags
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All irqs umasked at the PIC
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Thread dispatching disabled
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DIRQL (Device specific IRQ level):
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IF bit clear in the processor flags
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Device's irq and all lower priority irqs masked at the PIC
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Thread dispatching disabled
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HIGH_LEVEL: IF bit set in the processor flags
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All irqs masked at the PIC
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Thread dispatching disabled
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