[RTL] Fix for issue number 15

zero-day-labs / riscv-iommu

IOMMU IP compliant with the RISC-V IOMMU Specification v1.0

Apache License 2.0

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Closed mhayat-10xe closed 2 months ago

mhayat-10xe commented 2 months ago

This PR has the fix for issue number 15.

Changes

Added pt_data_corrupt_q and pt_data_corrupt_n signals in rv_iommu_ptw_sv39x4.sv and rv_iommu_ptw_sv39x4_pc.sv modules.
Implemented logic to set pt_data_corrupt_n when ds_resp_i.r.resp != axi_pkg::RESP_OKAY.
Prioritize pt_data_corrupt_q over pf_excep_q when both are active.