Open-Source IP Cores for Space: a Processor-Level Perspective on Soft Errors in the RISC-V Era
Автор: Gianluca Furano
Загружено: 2021-01-19
Просмотров: 149
In the space domain, Europe has up to now succeeded in remaining competitive in several segments of the space market as telecom satellites and launchers despite the difficulties inherent to ITAR restrictions. Also, the strategy of following its own line of flight processors based on the
open SPARC architecture (ERC32 chipset, TSC695, and Leon 2/3 based IP/SoC/Components) has been very beneficial for European space industry and has facilitated the reuse of software when migrating to the next processor generation.
Designing SPARC processors can be done without any licenses whatsoever. This is indeed why Jiri Gaisler has selected SPARC for the development of LEON, just see how many times Intel, MIPS and ARM have sued individuals companies that developed processors using their architecture.
For example, in mid-February 2002 the legal battles between Lexra/MIPS and picoTurbo/ARM have both ended with a complete defeat of the two cpu-cloning companies (Lexra and picoTurbo).
Both companies have been shut-down and their clients transferred to MIPS/ARM.
At the time Jiri Gaisler said: "More than ever, I'm happy with the decision to go SPARC. And many thanks to Sun and SPARC International for the open license!"
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