硬件实时操作系统信号量管理的设计与实现

Design and realization of semaphore management in hardware RTOS

信号量管理是操作系统中频繁运行的程序段之一。为提高实时操作系统RTOS的响应能力,提出了基于FPGA硬件实现信号量管理的设计方案。采用片内寄存器实现事件控制块(ECB)、映射表等存储结构,使用组合逻辑电路实现信号量管理模块,提高了信号量创建、删除及P/V操作的执行速度。

The semaphore management is a program segment which runs frequently in the operating system, in order to enhance the response capability of the real-time operating system RTOS, the design solution that implement the semaphore management based on FPGA is put forward. The storage structure, event control block （ECB） and mapping table, are realized by on-chip registers; The semaphore management is realized by combinational logic circuit; Both of them bring about high speed in creating semaphore, deleting semaphore and P/V operations.