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Nearly every protection-related instruction -- far CALL, far JMP, far RET, INT, IRET, MOV to segment register, task switch -- needs to load a segment descriptor from the GDT or LDT. The 386 microcode centralizes this into a shared subroutine called LD_DESCRIPTOR, which reads the 8-byte descriptor from memory and feeds the high DWORD (containing Type, DPL, S, and P bits) to the Test PLA for validation.
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The tech industry's biggest mobile show may not quite have the clout it once did, when the likes of Samsung, Sony, LG, and HTC showcased new flagships there each year, but it still attracts more phone launches than CES does two months earlier. It's especially popular with the Chinese manufacturers who are still fighting for space in the global market, along with niche manufacturers who turn up with extra-durable "rugged" devices, or battery beasts that are more powe …
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