Operating System Support Instructions - x86 Assembly Language Reference Manual

Skip Navigation Links
Exit Print View
	x86 Assembly Language Reference Manual Oracle Solaris 11.1 Information Library

Oracle Technology Network

Document Information

1. Overview of the Oracle Solaris x86 Assembler

2. Oracle Solaris x86 Assembly Language Syntax

3. Instruction Set Mapping

Instruction Overview

General-Purpose Instructions

Data Transfer Instructions

Binary Arithmetic Instructions

Decimal Arithmetic Instructions

Logical Instructions

Shift and Rotate Instructions

Bit and Byte Instructions

Control Transfer Instructions

String Instructions

I/O Instructions

Flag Control (EFLAG) Instructions

Segment Register Instructions

Miscellaneous Instructions

Floating-Point Instructions

Data Transfer Instructions (Floating Point)

Basic Arithmetic Instructions (Floating-Point)

Comparison Instructions (Floating-Point)

Transcendental Instructions (Floating-Point)

Load Constants (Floating-Point) Instructions

Control Instructions (Floating-Point)

SIMD State Management Instructions

MMX Instructions

Data Transfer Instructions (MMX)

Conversion Instructions (MMX)

Packed Arithmetic Instructions (MMX)

Comparison Instructions (MMX)

Logical Instructions (MMX)

Shift and Rotate Instructions (MMX)

State Management Instructions (MMX)

SSE Instructions

SIMD Single-Precision Floating-Point Instructions (SSE)

Data Transfer Instructions (SSE)

Packed Arithmetic Instructions (SSE)

Comparison Instructions (SSE)

Logical Instructions (SSE)

Shuffle and Unpack Instructions (SSE)

Conversion Instructions (SSE)

MXCSR State Management Instructions (SSE)

64-Bit SIMD Integer Instructions (SSE)

Miscellaneous Instructions (SSE)

SSE2 Instructions

SSE2 Packed and Scalar Double-Precision Floating-Point Instructions

SSE2 Data Movement Instructions

SSE2 Packed Arithmetic Instructions

SSE2 Logical Instructions

SSE2 Compare Instructions

SSE2 Shuffle and Unpack Instructions

SSE2 Conversion Instructions

SSE2 Packed Single-Precision Floating-Point Instructions

SSE2 128-Bit SIMD Integer Instructions

SSE2 Miscellaneous Instructions

Operating System Support Instructions

64-Bit AMD Opteron Considerations

A. Using the Assembler Command Line

Operating System Support Instructions

The operating system support instructions provide functionality for process management, performance monitoring, debugging, and other systems tasks.

Table 3-45 Operating System Support Instructions

Oracle Solaris Mnemonic	Intel/AMD Mnemonic	Description	Notes
`arpl`	`ARPL`	adjust requested privilege level
`clts`	`CLTS`	clear the task-switched flag
`hlt`	`HLT`	halt processor
`invd`	`INVD`	invalidate cache, no writeback
`invlpg`	`INVLPG`	invalidate TLB entry
`lar`	`LAR`	load access rights	`larq` valid only under `-m64`
`lgdt`	`LGDT`	load global descriptor table (GDT) register
`lidt`	`LIDT`	load interrupt descriptor table (IDT) register
`lldt`	`LLDT`	load local descriptor table (LDT) register
`lmsw`	`LMSW`	load machine status word
`lock`	`LOCK`	lock bus
`lsl`	`LSL`	load segment limit	`lslq` valid only under `-m64`
`ltr`	`LTR`	load task register
`rdmsr`	`RDMSR`	read model-specific register
`rdpmc`	`RDPMC`	read performance monitoring counters
`rdtsc`	`RDTSC`	read time stamp counter
`rsm`	`RSM`	return from system management mode (SMM)
`sgdt`	`SGDT`	store global descriptor table (GDT) register
`sidt`	`SIDT`	store interrupt descriptor table (IDT) register
`sldt`	`SLDT`	store local descriptor table (LDT) register	`sldtq` valid only under `-m64`
`smsw`	`SMSW`	store machine status word	`smswq` valid only under `-m64`
`str`	`STR`	store task register	`strq` valid only under `-m64`
`sysenter`	`SYSENTER`	fast system call, transfers to a flat protected model kernel at CPL=0
`sysexit`	`SYSEXIT`	fast system call, transfers to a flat protected mode kernal at CPL=3
`verr`	`VERR`	verify segment for reading
`verw`	`VERW`	verify segment for writing
`wbinvd`	`WBINVD`	invalidate cache, with writeback
`wrmsr`	`WRMSR`	write model-specific register

Copyright © 1993, 2012, Oracle and/or its affiliates. All rights reserved. Legal Notices

Previous

Next