Assembler:Commands:IRET

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command iret

Interrupt Return. Returns program control from an exception or interrupt handler to a program or procedure that was interrupted by an exception, an external interrupt, or a software-generated interrupt.


Invalidates (flushes) the translation lookaside buffer (TLB) entry specified with the source operand. The source operand is a memory address. The processor determines the page that contains that address and flushes the TLB entry for that page.

The INVLPG instruction is a privileged instruction. When the processor is running in protected mode, the CPL of a program or procedure must be 0 to execute this instruction.

The INVLPG instruction normally flushes the TLB entry only for the specified page; however, in some cases, it flushes the entire TLB. See "MOV-Move to/from Control Registers" in this chapter for further information on operations that flush the TLB.


c9x.me/x86/html/file_module_x86_id_145.html


Command Parameters

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See also

External links