Unicore
Unicore is the name of a computer instruction set architecture designed by the Microprocessor Research and Development Center (MPRC) of Peking University in the PRC. The computer built on this architecture is called the Unity-863. The CPU is integrated into a fully functional SoC to make a PC-like system.
| Designer | Microprocessor Research and Development Center |
|---|---|
| Bits | 32-bit |
| Introduced | 1999 |
| Design | RISC |
| Encoding | Fixed |
| Branching | Condition code |
| Endianness | Little |
| Page size | 4 KiB |
| Registers | |
| General-purpose | 31 |
| Floating point | 32 |
The processor is very similar to the ARM architecture, but uses a different instruction set.
It is supported by the Linux kernel as of version 2.6.39. Support will be removed in Linux kernel version 5.9 as nobody seems to maintain it and the code is falling behind the rest of the kernel code and compiler requirements.
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