User and Reference Guide

  • 2021.1
  • 12/04/2020
  • Public Content

Setting Platform Breaks

The new Intel® System Debugger allows you to intercept system-level events, namely platform breaks. This type of breaks include events like system reset and start or end of the System Management Mode. To set a platform breakpoint:
  1. Halt the target by pressing the
  2. In the upper-right corner of the Breakpoints view, click
    Add Breakpoint
  3. In the
    Add Breakpoint
    dialog, select the
    Platform Break
    radio button.
  4. In the
    Platform Type
    drop-down menu, select the break condition:
    • To capture the system reset, select
    • To capture the entry to the System Management Mode, select
    • To capture the exit from the System Management Mode, select
    • To capture Virtual Machine Extensions (VMX) related events select:
      • VMClear
        to capture the event of clearing Intel® Virtual Machine Control Structure (Intel® VMCS)
      • VMExit
        to capture the exit from the virtual machine
      • VMLaunch
        to capture the virtual machine launch.
  5. Click
Now you can resume you target and see how the specified event is caught.
When the target is halted, the intercepted event is shown in parenthesis next to the corresponding hardware thread in Debug view.
See Also

Product and Performance Information


Performance varies by use, configuration and other factors. Learn more at