Embedded World is back at Nürnberg Messe for showcasing the latest in Embedded next week on the 14th through 16th March 2023! Embecosm is exhibiting in Hall 4 booth 160, showcasing our latest work in the field of Open Source… Read More
Introduction One of the currently proposed draft ISA extensions for RISC-V is the Bit Manipulation Instructions extension (from henceonwards referred to as the “Bitmanip” or “BMI” extension.) It proposes to provide fast and direct instructions for commonly-used bitwise operations, often… Read More
Introduction The RISC-V Instruction Set Manual describes the current status of the RISC-V ISA and its extensions. Among these there’s a mention of the ‘B’ extension that is meant to host specific instructions for bit… Read More
What is RI5CY? RI5CY is a 4-stage in-order pipelined RISC-V core written in SystemVerilog. It has become very popular for many applications, including being adopted as the first Core-V core in the OpenHW Group family, as… Read More
The Open HW Group, a not-for-profit organisation was announced earlier this week with the aim to boost the adoption of open source processors. Embecosm is in the vanguard of this initiative as one of the sponsoring organisations. As a specialist… Read More
The patches that I submitted to add 32-bit RISC-V architecture support to Buildroot have recently been committed upstream. As part of this patchset a configuration was added to enable the Buildroot autobuilders so that any potential build… Read More
FOSDEM once again provided an exciting weekend with over 8000+ attendees, spread across 47 developer rooms. Embecosm would like to thank everyone at this year’s FOSDEM. If you were not able to attend or would like to see the various… Read More
Once again Embecosm will be presenting at the Free and Open Source Developers’ European Meeting (FOSDEM) 2019, held in Brussels. This two-day event on the 2-3 February is a free and non-commercial event, to promote the widespread use of free… Read More
Jeremy Bennett and Mark Corbin will be speaking at the BCS Open Source Specialist Group – Machines and Systems of past, present, future event on Thursday 17th January 2019. This event is hosted at The BCS, the Chartered Institute for… Read More
Background I have been working on adding RISC-V 64-bit architecture support to Buildroot. Buildroot is an embedded Linux build system that generates complete system images from source for a wide range of boards and processors. Buildroot uses makefiles… Read More