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Microwatt is a tiny 64-bit bi-endian scalar integer processor core, implementing a subset of the Power ISA 3.0 instruction set. It has 32× 64-bit general purpose registers and 32x 64-bit floating-point registers. It uses Wishbone for the memory interface. [4]
Power ISA is a RISC load/store architecture. It has multiple sets of registers: 32 × 32-bit or 64-bit general-purpose registers (GPRs) for integer operations. 64 × 128-bit vector scalar registers (VSRs) for vector operations and floating-point operations. 32 × 64-bit floating-point registers (FPRs) as part of the VSRs for floating-point ...
Libre-SOC is a libre soft processor core originally written by Luke Leighton and other contributors, announced at the OpenPOWER Summit NA 2020. [2] It adheres to the Power ISA 3.0 instruction set and can be run on field-programmable gate array boards, currently booting MicroPython and other bare-metal applications.
The OpenPOWER Foundation is a collaboration around Power ISA-based products initiated by IBM and announced as the "OpenPOWER Consortium" on August 6, 2013. [5] IBM's focus is to open up technology surrounding their Power Architecture offerings, such as processor specifications, firmware, and software with a liberal license, and will be using a collaborative development model with their partners.
IBM POWER is a reduced instruction set computer (RISC) instruction set architecture (ISA) developed by IBM. The name is an acronym for Performance Optimization With Enhanced RISC. [1] The ISA is used as base for high end microprocessors from IBM during the 1990s and were used in many of IBM's servers, minicomputers, workstations, and ...
The e5500 core is the first 64-bit Power ISA core designed solely by Freescale and was introduced at Freescale Technology Forum in June 2010. Simulated models were available in July 2010, hard samples in late 2010 and full scale manufacturing the second half of 2011.
OpenPOWER – Power ISA, an open-source hardware instruction set architecture initiated by IBM; OpenSPARC – Sun's, later Oracle's high-performance processor; Parallax Propeller – a multi-core microcontroller with eight 32-bit RISC cores; Parallella – single-board computer with a manycore coprocessor and field-programmable gate array (FPGA)
It uses a combination of the POWER2 ISA and the 32/64-bit PowerPC ISA set with support for SMP and single-chip implementation. It was used to great extent in IBM's RS/6000 computers, and the second generation version, the POWER3-II, is the first commercially available processor from IBM using copper interconnects .