Loongson LS2K/LS3A Processor Debugging and Installation Guide

About this manual

This guide provides basic troubleshooting methods and debugging procedures for users of Loongson 2K (LS2K) and 3A (LS3A) series processors. It details how to acquire necessary resources such as BIOS, Linux kernels, toolchains, and the EJTAG debugger software.

The document further explains the compilation and burning processes for the pmon bootloader and the Linux kernel. It includes specific instructions for hardware debugging of LS2K and 3A3000+7a boards, along with a step-by-step guide for installing the Loongnix operating system. This manual is written in Chinese.

What's inside

• Resource Acquisition
• Pmon Compilation
• Memory Configuration
• Kernel Compilation
• Board Debugging (LS2K)
• Board Debugging (3A3000+7a)
• Loongnix Installation

Specifications

Frequently asked questions

What is the recommended Linux kernel version for Loongson 2K processors?

The manual specifies that there is only one kernel version available for LS2K, which is 3.10.

Is EJTAG hardware required for debugging?

Yes, the hardware part of the EJTAG debugger needs to be purchased separately.