User Parameters - 1.0 English

BYPASS: No SMID handling. Any in-bound awuser/aruser info is passed through unchanged.

INSERT: The value of SMID_VALUE is inserted into the low-order position of {aw,ar}user; any in-bound value is left-shifted.

EXTRACT: The SMID field is extracted from the low-order position of {aw,ar}user and propagated as the out-bound {aw,ar}id (and wid if AXI3).

REMOVE: The SMID field is extracted from the low-order position of {aw,ar}user and discarded; the remainder (if any) is right-shifted and propagated

string={NONE, ODD, EVEN}

If EVEN or ODD, parity is generated or propagated per byte of write data and is output in the lowest-order bit-per-byte position of the out-bound m_axi_wuser.

If SI_PARITY==NONE, parity is generated and inserted, any in-bound value from s_axi_wuser is left-shifted 1 bit-per-byte.

If SI_PARITY is the same as MI_PARITY (EVEN or ODD), in-bound parity is propagated as-is (including any parity mismatches).

If SI_PARITY is the opposite polarity to MI_PARITY, in-bound parity is inverted and propagated (including any parity mismatches).

If EVEN or ODD, parity is expected in the lowest-order bit-per-byte position of the in-bound m_axi_ruser and compared against the corresponding read data byte for parity violation errors.

If NONE, any parity received on the SI W-channel is stripped from the lowest-order bit-per-byte position of the out-bound m_axi_wuser, and any remaining value is right-shifted 1 bit-per-byte.

If NONE, no parity is expected in the in-bound R-channel.

string={NONE, ODD, EVEN}

If EVEN or ODD, parity is generated or propagated per byte of read data and is output in the lowest-order bit-per-byte position of the out-bound s_axi_ruser.

If MI_PARITY==NONE, parity is generated and inserted, any in-bound value from m_axi_rwuser is left-shifted 1 bit-per-byte.

If MI_PARITY is the same as SI_PARITY (EVEN or ODD), in-bound parity is propagated as-is (including any parity mismatches).

If MI_PARITY is the opposite polarity to SI_PARITY, in-bound parity is inverted and propagated (including any parity mismatches).

If EVEN or ODD, parity is expected in the lowest-order bit-per-byte position of the in-bound s_axi_wuser and compared against the corresponding write data byte for parity violation errors.

If NONE, any parity received on the MI R-channel is stripped from the lowest-order bit-per-byte position of the out-bound s_axi_ruser, and any remaining value is right-shifted 1 bit-per-byte.

If NONE, no parity is expected in the in-bound W-channel.

If SI_PARITY==NONE and MI_PARITY==NONE, then all parity functions are disabled and any {w,r}user signals are propagated as-is.

Adds 1 cycle latency between parity error detection and error output for each enabled bit (0-4 latency cycles). Adding pipelining can help timing closure.

Bit 0 (LSB): Register the data input from the AXI interface (for error detection only).

Bit 1: Pipeline the intermediate parity results for each byte of data (enabled by default).

Bit 2: Insert a pipeline stage mid-way between byte-wise parity results and the error output.

Bit 3: Register the error output.