Tweak behavior of LGDT, LIDT, SGDT, SIDT, & LSL instructions - Githubissues

jart / blink

tiniest x86-64-linux emulator

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Tweak behavior of LGDT, LIDT, SGDT, SIDT, & LSL instructions #50

Closed tkchia closed 1 year ago

tkchia commented 1 year ago

fix sizes to use for GDT/IDT base addresses, per Intel manual
only check GDT base address for validity when the GDT is actually being used
fix LSL instruction to convert page granular limits to byte limits