Exceptions: Difference between revisions
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m Discovered this the hard way |
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* Writing a 1 in a reserved register field or writing invalid value combinations (e.g. CR0 with PE=0 and PG=1).
* Referencing or accessing a null-descriptor.
* Accessing a memory address with bits 48-63 not matching bit 47 (e.g. 0x_0000_8000_0000_0000 instead of 0x_ffff_8000_0000_0000) in 64 bit mode.
The saved instruction pointer points to the instruction which caused the exception.
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