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Tuesday, September 24 • 11:00am - 11:50am
SAN19-207 SCMI server in secure world

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The System Control and Management Interface (SCMI) is a set of operating system-independent software interfaces that are used in system resources management that has been originally specified to standardize the interface between Application Processors and the power coprocessor. Nevertheless, systems don't always have a dedicated coprocessor for system resources management but still need to safely manage them.The secure world is a good candidate as it uses some of these critical resources. Instead of defining a new custom interface, it has been decided to enable a SCMI server in secure world that will handle system request from all agents of the system being the non secure world of AP or other processors of the system.
This talk will present the SCMI server implementation in secure world, the constraints that have driven the implementation choices, the open items and next features. During the talk, we will have a special focus on the OP-TEE arm32 implementation.
Speakers
avatar for Souvik Chakravarty

Souvik Chakravarty

Principal Software Engineer, Arm Ltd.
Souvik is a Principal Engineer in the Architecture and Technology Group at Arm, where his primary areas of focus are System and Power Management software standards and specifications. Souvik's primary experience is in architecture and development of Power Management stacks on various... Read More →
avatar for Vincent Guittot

Vincent Guittot

Linaro, Linaro
Vincent has worked on developing drivers for various peripherals and coprocessors in mobile phones during 12 years. In 2005, he began to focus on mobile phones that ran Linux then Android and spent the last years of this period to optimize the power consumption of android platforms... Read More →

Tuesday September 24, 2019 11:00am - 11:50am PDT
Sunset V (Session 1)
  Power Management, Power Management, Security

Attendees (49)