Crate x86

Modules

controlregs	Functions to read and write control registers.
cpuid
dtables	Functions and data-structures to load descriptor tables.
io	I/O port functionality.
irq	Interrupt description and set-up code.
msr	MSR value list and function to read and write them.
paging	Description of the data-structures for IA-32e paging mode.
perfcnt	Information about available performance counters.
rflags	Description of RFlag values that store the results of operations and the state of the processor.
segmentation	Program x86 segmentation hardware.
syscall	Invokes an OS system-call handler at privilege level 0.
task	Helpers to program the task state segment.
time	Functions to read time stamp counters on x86.
tlb	Functions to flush the translation lookaside buffer (TLB).

Macros

int	Generate a software interrupt. This is a macro argument needs to be an immediate.
syscall	It does so by loading RIP from the IA32_LSTAR MSR (after saving the address of the instruction following SYSCALL into RCX).