Custom Instructions - Custom Instructions - 2026.1 English - UG1711

MicroBlaze V Processor Embedded Design User Guide (UG1711)
Document_ID
UG1711
Release_Date
2026-08-07
Version
2026.1 English
  • Enable Additional Custom Instructions: Provides additional functionality when using AXI4-Stream links.

    The instructions are also extended with the following variants.

    • Atomic get, getd, put, and putd instructions
    • Test-only get and getd instructions
    • get and getd instructions that generate a stream exception if the control bit is not set
    Important: The extended stream instructions must be enabled to use these additional instructions, and at least one stream link must be selected. The stream exception must be enabled to use instructions that generate stream exceptions.