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sysleave
2008 Feb 24
7
Using SYSCALL/SYSRET with a minios kernel
Hi,
I''m trying to use the SYSCALL/SYSRET opcodes with a minios kernel
without much success.
Going by the manuals (and linux sources) I first have to setup the
STAR and LSTAR registers to define the segment and instruction pointer
to be used for SYSCALL:
/*
* LSTAR and STAR live in a bit strange symbiosis.
* They both write to the same internal register. STAR allows