Technical user manual describing the GS264 processor core’s instruction set, operating modes, memory management, cache, exceptions and coprocessor registers.
The Loongson GS264 processor core user manual provides detailed information on the software features of the GS264 core integrated in the Loongson 2K1000 chip. It covers instruction set compatibility, floating‑point operations, SIMD extensions, and the special GS264 extensions.
Key sections include processor operating modes, virtual‑memory management, cache hierarchy, exception handling, interrupt processing, and a complete description of all Coprocessor 0 registers with their bit fields and usage guidelines. This manual is written in Chinese.