Nios II IDE
You can import the uClinux-dist to Nios2 IDE, ie Eclipse, and debug kernel.
The debug info (-g) is disabled by default. To enable debug info,
Kernel hacking -->
[*] Kernel debugging
[*] Compile the kernel with debug info
1. Open Nios2 IDE from a shell, ie, run "nios2-ide" .
2. From IDE menu, import the uClinux-dist dir. After you press [finish], it will take some time scanning the dir.
- File > Import > Altera Nios II > Existing Nios II software build tools project or folder into workspace
- Project contents : < brow to your uClinux-dist dir >
- Project name : < eg, uclinux > # you cannot use uClinux-dist as project name, it doesn't like "-".
3. Connect jtag cable to your board, and configure your fpga with nios2-configure-sof if it is not configured yet.
4. Select project uclinux from the left-hand side of the windows.Set Up a Debug Configuration.
- Run > Debug As > Nios II Hardware
5. A Debug Configuration Manager will come out,
- Nios II ELF Excutable: linux-2.6.x/vmlinux
- SOPC Builder System PTF File: < brow to your system.ptf >
- Click [Apply]
- Click [Debug]
6. If the Confirm Perspective Switch dialog box appears, click Yes. You can debug the kernel now.
Idedebug.png (Click here for image)
Reference
- Nios II Software Developer’s Handbook, ch3. Introduction to the Nios II Software Build Tools
- Nios II IDE help, Running and Debugging on Hardware
