const origSet = srcDesc.set;
The x86 protection model is notoriously complex, with four privilege rings, segmentation, paging, call gates, task switches, and virtual 8086 mode. What's interesting from a hardware perspective is how the 386 manages this complexity on a 275,000-transistor budget. The 386 employs a variety of techniques to implement protection: a dedicated PLA for protection checking, a hardware state machine for page table walks, segment and paging caches, and microcode for everything else.
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Health Secretary Wes Streeting says resident doctors have received the largest pay rises of any public sector employees over the last three years, totalling nearly 30%. He insists the government will not offer any further increases.
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