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It includes an instruction set architecture (ISA) using an open-source license. It is the original flagship project of the OpenCores community. The first (and as of 2019 [update] only) architectural description is for the OpenRISC 1000 ("OR1k"), describing a family of 32-bit and 64-bit processors with optional floating-point arithmetic and ...
An instruction set architecture (ISA) is an abstract model of a computer, also referred to as computer architecture.A realization of an ISA is called an implementation.An ISA permits multiple implementations that may vary in performance, physical size, and monetary cost (among other things); because the ISA serves as the interface between software and hardware.
OpenSPARC, a series of open-source microprocessors based on the UltraSPARC T1 and UltraSPARC T2 multicore processor designs; Parallax P8X32A Propeller is a multicore microcontroller with an emphasis on general-purpose use; ZPU, a small, portable CPU core with a GCC toolchain. It is designed to be compiled targeting FPGA [4]
Auctor Maple SoC. DM&P Electronics (continues SiS' Vortex86 line) ZF Micro ZFx86, [4] Cx486DX SoC RDC Semiconductors [5] 486SX compatible RISC core (R8610 and R8620); DP Kwazar SP (ДП КВАЗАР-ІС) [6] - As of December 2021, КР1810ВМ86 (Soviet 8086 clone) still appears on Kwazar's price list.
Open source, multithreading, multi-core, 4 threads per core, scalar, in-order, integrated memory controller, 1 FPU UltraSPARC T2: 2007 8 Open source, multithreading, multi-core, 8 threads per core SPARC T3: 2010 8 Multithreading, multi-core, 8 threads per core, SMP, 16 cores per chip, 2 MB L3 cache, in-order, hardware random number generator
Software compatibility can refer to the compatibility that a particular software has running on a particular CPU architecture such as Intel or PowerPC. [1] Software compatibility can also refer to ability for the software to run on a particular operating system. Very rarely is a compiled software compatible with multiple different CPU ...
Processors implement a set of these categories as required for their task. Different classes of processors are required to implement certain categories, for example a server-class processor includes the categories: Base, Server, Floating-Point, 64-Bit, etc. All processors implement the Base category. Power ISA is a RISC load/store architecture.
In the absence of a widely accepted open source hardware license, the components produced by the OpenCores initiative use several different software licenses. The most common is the GNU LGPL , which states that any modifications to a component must be shared with the community, while one can still use it together with proprietary components.