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Does the Intel® Software Guard Extensions (Intel® SGX) Implementation in Intel® Xeon® Scalable Processors use the Enclave Page Cache Map (EPCM)?

Content Type: Product Information & Documentation | Article ID: 000060115 | Last Reviewed: 08/10/2021

Description Resolution Additional information

Description

Unable to determine if the Intel® SGX implementation in Intel® Xeon® Scalable Processors uses the EPCM structure to record EPC information.

Resolution

Yes, Intel SGX on Intel Xeon Scalable Processors still uses the EPCM to record EPC information and perform security checks when allocating EPC pages to enclaves.

Additional information

Refer to the Intel® 64 and IA-32 Architectures Software Developer's Manual Combined Volumes 3A, 3B, 3C, and 3D: System Programming Guide for more information on the EPCM.

Related Information

What Technology Change Enables 1 Terabyte (TB) Enclave Page Cache (EPC) size in 3rd Generation Intel® Xeon® Scalable Processor Platforms?

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