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https://docs.rtems.org/branches/master/c-user/symmetric_multiprocessing_services.html
RTEMS is supposed to be a real-time operating system. What does this mean in the context of SMP? The RTEMS interpretation of real-time on SMP is the support for Clustered Scheduling with priority based schedulers and adequate locking protocols. One aim is to enable a schedulability analysis under the sporadic task model .
https://devel.rtems.org/ticket/3433
May 25, 2018 · The project includes the following tasks: add CPU counter support add context validation code add BSP support for Qemu add support for device tree provided by Qemu
https://docs.rtems.org/releases/rtems-docs-4.11.2/c-user/symmetric_multiprocessing_services.html
26.1. Introduction¶. The Symmetric Multiprocessing (SMP) support of the RTEMS 4.11.0 and later is available on. ARM, PowerPC, and; SPARC. It must be explicitly enabled via the --enable-smp configure command line option. To enable SMP in the application configuration see Chapter 24 Section 22.1 - Enable SMP Support for Applications.The default scheduler for SMP applications supports up to 32 ...
http://www.esa.int/Enabling_Support/Space_Engineering_Technology/Software_Systems_Engineering/RTEMS-SMP_Improvement_for_LEON_multi-core
The objective of the RTEMS-SMP Improvement for LEON multi-core activity was to improve the prototype SMP implementation from the earlier studies to production level quality, such it can be used in future space missions, in particular in the context of payload software, running on either the GR712RC (LEON3 dual core) or the GR740 (LEON4 quad core).
Commercial support is available from US and European companies, and free support comes via the active global community. Major decisions about RTEMS are made by the core developers in concert with the user community, guided by the Mission Statement. ... Survey to Establish RTEMS SMP Space Profile.
https://www-new.rtems.org/news/
RTEMS now supports multiple thread scheduling algorithms for uniprocessor and SMP configurations. RTEMS currently has SMP support for SPARC LEON3, PowerPC QorIQ, ARM, and x86. The presentation will conclude by highlighting areas in which the flight software community can provide feedback and support in improving this support in RTEMS.
http://flightsoftware.jhuapl.edu/files/2014/Presentations/Day-2/Session-4/4-RTEMSSMPFeatures.pdf
RTEMS SMP Features Joel Sherrill, Ph.D. [email protected] OAR Corporation Huntsville Alabama USA December 2014
https://devel.rtems.org/ticket/2418
https://git.rtems.org/chrisj/rtems_waf.git/commit/?id=b2ce230eb85d23d017f3e86fa9223e781e803f22
https://devel.rtems.org/wiki/Developer/SMP
RTEMS SMP is ready for production systems, see RTEMS SMP Status Report.
https://devel.rtems.org/ticket/2898
This project involves the creation of an x86_64 BSP for RTEMS to replace the aging i386 PC BSP. The BSP is to boot on current Off The Self (OTS) PC hardware, x86 dev boards and emulators in popular emulation software. This BSP is to support 64bit only, there is no need to support 32bit.
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