Debugging Dom-0/Dom-U User Space Processes

Debugging Dom-0/Dom-U User Space Processes - 2021.1 English

Vitis Unified Software Platform Documentation: Embedded Software Development (UG1400)

Document ID

UG1400

Release Date

2021-07-19

Version

2021.1 English

Boot Xen and Dom-0. For details on how to boot Xen and Dom-0, refer to PetaLinux Tools Documentation: Reference Guide (UG1144).
Enable Xen awareness by enabling OS aware debug for Xen symbol file. Symbol files are added to a process context to enable source level debugging. For details on how to enable Xen awareness, refer to Enabling Xen Awareness.
Create a Linux application project. For details on how to create a Linux application project, refer Creating a Linux Application Project.
Configure the Dom-0 user space process by adding the symbol file of the application running on Linux for the debug context of the virtual CPU (VCPU#) of the host domain (Dom-0).
Configure Dom-U user space process.
1. Copy the guest Linux images to Dom-0 file system.
2. Create the Linux guests with para-virtual networking.
```
    name = "guest 0"
    kernel = "/boot/Image"
    extra = "console=hvc0 rdinit=/sbin/init"
    memory = 256
    vcpus = 2
    vif = [ 'bridge=xenbr0' ]
```
3. Add the symbol file of the application running on Linux for the debug context of the virtual cpu (VCPU#) of the guest domain (Dom-U).
When the symbol files are set, you can insert breakpoints, step in, step out, watch variables, stack trace or perform other source level debugging tasks.