AMD AMD-K5 Processor Software Development Guide Sep96 free download

File name AMD-K5_Processor_Software_Development_Guide_Sep96.pdf

AMD~ AMD-KSTM PROCESSOR Software Development Guide Publication # 20007 Rev: D AmendmenVO Issue D September 1996 ate: This document contains information on a product under development at Advanced Micro Devices (AMD). The information is intended to help you evaluate this product. AMD reo serves the right to change or discontinue work on this proposed product without notice. e> 1996 Advanced Micro Devices, Inc. All rights reserved. Advanced Micro Devices reserves the right to make changes in its products without notice in order to improve design or performance characteristics. This publication neither states nor implies any representations or warranties of any kind, including but not limited to any implied warranty of merchant- ability or fitness for a particular purpose. AMD makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication or the information contained herein, and reserves the right to make changes at any time, without notice. AMD disclaims responsibility for any consequences resulting from the use of the information included herein. Trademarks AMD, the AMD logo, and combinations thereof are trademarks of Advanced Micro Devices, Inc. Am486 is a registered trademark, and AMD-K5 is a trademark of Advanced Micro Devices, Inc. Other product names used in this publication are for identification purposes only and may be trademarks of their respective companies. AMD~ 20007D/O-Sep1996 AMD-K5 Processor Software Development Guide Contents AMD-KSTM Processor x86 Architedure Extensions Additions to the EFLAGS Register. . . . . . . . . . . . . . . . . . . . . . . . . . .. 2 Control Register 4 (CR4) Extensions ... 2 Machine-Check Exceptions ... 4 4-Mbyte Pages ... 4 Global Pages ... 8 Virtual-8086 Mode Extensions (VME) ... 12 Protected Virtual Interrupt (PVI) Extensions ... 24 Model-Specific Registers (MSRs) ... 25 Machine-Check Address Register (MCAR) ... : 25 Machine-Check Type Register (MCTR) ... 26 Time Stamp Counter (TSC) ...