The Platform-Level Interrupt Controller (PLIC) from Roa Logic is a highly adaptable interrupt management system, crafted in accordance with the RISC-V Privileged v1.10 specification. This core seamlessly integrates with AHB-Lite, supporting a wide range of interrupt sources and targets. It provides a robust foundation for managing complex interrupt architectures, essential in modern embedded systems.
The PLIC core is meticulously designed for configurability, offering custom parameters for address and data widths, as well as the capacity to set unique priority levels per interrupt source. It includes features like programmable priority thresholds and an interrupt pending queue, allowing for tailored performance to meet the specific needs of an application.
This controller ensures efficient handling of interrupt masking using a priority threshold system, further enabling sophisticated event management in multi-tasking environments. With comprehensive documentation and source code available through Roa Logic's GitHub, the PLIC is an accessible solution for developers looking to integrate reliable interrupt control in their RISC-V based systems.