RVA23 was ratified in October 2024. For most of the months since, the world was essentially waiting for hardware to run it! Now the SpacemiT K3 is on shelves and more RVA23 silicon is close behind. So what was the industry up to during that time, and is the software ready for the chips that have arrived?
Since RISC-V International ratified the RVA23 Profile in October 2024, the standard has seen wide adoption across the industry. But at the Linux Kernel level, coverage of RVA23 mandatory extensions remained incomplete.
Daniel Thompson, tech lead for the RISCstar toolchain, shares a few of the technical details behind this new toolchain for RISC-V.
The 2025 RISC-V Summit China reached an unprecedented level of excitement, drawing a record-breaking crowd of over 4,000 attendees. The main venue was filled to capacity, with many standing along the walls just to be part of the event. This was my second time attending the RISC-V Summit, since starting development work on RISC-V, and in just two days, there was a lot to take in and reflect upon.
Idle states allow parts of the CPU to be de-clocked and/or powered off to minimize the power they consume. These features, selectively disabling clock or power to parts of the circuit, are sometimes referred to as clock- or power-gating.
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