Introduce verified PT code for x86. #219
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- Change APCI code to issue map calls in 4K chunks - Implement kernel pt patching for verified PT - Reduce test coverage to make proptest pass
In the beginning before we setup the identity mapping above kernel base we need to set ptr to 0, afterwards we set it to KERNEL_BASE. Interestingly this only fails the fs_test as they pass deliberately invalid memory to the kernel.
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