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  3. AR# 52683: AXI Bridge for PCI Express v1.04.a - Latch and Sensitivity List Warning Messages

AR# 52683

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AXI Bridge for PCI Express v1.04.a - Latch and Sensitivity List Warning Messages

Description

Version Found: v1.04.a
Version Resolved and other Known Issues: See (Xilinx Answer 44969)

When synthesizing the AXI Bridge for PCI Express v1.04.a core, the tool issues the following warning messages:

WARNING: [Synth 8-614] signal 'cpl_timer_start_count' is read in the process but is not in the sensitivity list
[ISE_DS/EDK/hw/XilinxProcessorIPLib/pcores/axi_pcie_mm_s_v1_04_a/hdl/vhdl/axi_slave_read.vhd:979]

WARNING: [Synth 8-327] inferring latch for variable 'first_word_offset_calc_reg'
[ISE_DS/EDK/hw/XilinxProcessorIPLib/pcores/axi_pcie_mm_s_v1_04_a/hdl/vhdl/axi_slave_read.vhd:373]

Solution

This is a known issue to be fixed in the next release of the core.
Note: "Version Found" refers to the version where the problem was first discovered. The problem might also exist in earlier versions, but no specific testing has been performed to verify earlier versions.

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
44969 AXI Bridge for PCI Express - Release Notes and Known Issues for All Versions up to ISE 14.7 N/A N/A
AR# 52683
Date 10/31/2012
Status Active
Type Known Issues
IP
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