Supporting secure memory intent

US9875189B2 · kind B2 · utility

Assignee

• Intel Corporation · US

Inventors

• Krystof C. Zmudzinski · Forest Grove, US
• Siddhartha Chhabra · Portland, US
• Uday Savagaonkar · Redmond, US
• Simon P. Johnson · Beaverton, US
• Rebekah M. Leslie-Hurd · Portland, US
• Francis X. McKeen · Portland, US
• Gilbert Neiger · Hillsboro, US
• Raghunandan Makaram · Northborough, US
• Carlos V. Rozas · Portland, US
• Amy L. Santoni · Scottsdale, US
• Vincent R. Scarlata · Beaverton, US
• Vedvyas Shanbhogue · Austin, US
• Ilya Alexandrovich · Haifa, IL
• Ittai Anati · Ramat HaSharon, IL
• Wesley H. Smith · Raleigh, US
• Michael A. Goldsmith · Lake Oswego, US

Key dates

• Filing date: Jun 12, 2015
• Grant date: Jan 23, 2018
• Expiry date: Oct 12, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02D10/00
• WIPO field: Computer technology
• WIPO sector: Electrical engineering

Abstract

A processor for supporting secure memory intent is disclosed. The processor of the disclosure includes a memory execution unit to access memory and a processor core coupled to the memory execution unit. The processor core is to receive a request to access a convertible page of the memory. In response to the request, the processor core to determine an intent for the convertible page in view of a page table entry (PTE) corresponding to the convertible page. The intent indicates whether the convertible page is to be accessed as at least one of a secure page or a non-secure page.