Every V86 segment gets the same treatment: access rights 0xE200 (Present, DPL=3, writable data segment), base = selector shifted left by 4, and limit = 64 KB. The microcode loops through all six segment register caches using a counter, applying the same fixed descriptor to each one. This is pure real-mode emulation, enforced at ring 3 with full paging protection underneath.
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obtain the bucket from the number of bytes, 60 - __builtin_clzll(byte_size); (Why does this work? We use 4 bits for alignment so there cannot be
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