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The functionality provided by the kernel to userland applications is exposed via [[SVC|supervisor calls]]. Internally, the implementation of this ABI uses an object-oriented hierarchy of [[:Category:Kernel_objects|objects]].
The functionality provided by the kernel to userland applications is exposed via [[SVC|supervisor calls]]. Internally, the implementation of this ABI uses an object-oriented hierarchy of [[:Category:Kernel_objects|objects]].
Low-level system information is exposed by the kernel via mapping the [[Configuration Memory]] page in all processes.