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  • MSR Instruction must be included
  • Exceptions are not supported

Additionally usage of the AXI Interrupt Controller configuration has the following limitations :

  • Fast Interrupts and cascaded operation are not supported
  • IPR register must be included
  • Multiple AXI Interrupt controller on the same interconnect will confuse the BSP generator

Interrupt handling

The uC/OS BSP supports the AXI Interrupt Controller to provide a MicroBlaze system with multiple independent interrupt lines. The interrupt controller can be left out, in which case the interrupt handling code acts as one source controller.

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