使用Lattice的ispLever软件,利用其IPexpress工具做了一个异步FIFO,并在顶层模块中成功例化,但是在用modelsim做仿真的时候,出现以下问题# ** Error: (vsim-3043) C:/Modeltech_6.2b/Lattice/Latticework/xp/DP8KA.v(116): Unresolved reference to 'GSR_INST'.# Region: /IPMC_CPU_test/IPMC_CPU/m0/pdp_ram_0_0_0/EBR_INST# ** Error: (vsim-3043) C:/Modeltech_6.2b/Lattice/Latticework/xp/DP8KA.v(117): Unresolved reference to 'PUR_INST'.# Region: /IPMC_CPU_test/IPMC_CPU/m0/pdp_ram_0_0_0/EBR_INST# ** Error: (vsim-3043) C:/Modeltech_6.2b/Lattice/Latticework/xp/FD1P3BX.v(38): Unresolved reference to 'GSR_INST'.# Region: /IPMC_CPU_test/IPMC_CPU/m0/FF_61# ** Error: (vsim-3043) C:/Modeltech_6.2b/Lattice/Latticework/xp/FD1P3BX.v(39): Unresolved reference to 'PUR_INST'.# Region: /IPMC_CPU_test/IPMC_CPU/m0/FF_61# Loading C:/Modeltech_6.2b/Lattice/Latticework.UDFDL7E_UDP_X# ** Error: (vsim-3043) C:/Modeltech_6.2b/Lattice/Latticework/xp/FD1P3DX.v(38): Unresolved reference to 'GSR_INST'.# Region: /IPMC_CPU_test/IPMC_CPU/m0/FF_60# ** Error: (vsim-3043) C:/Modeltech_6.2b/Lattice/Latticework/xp/FD1P3DX.v(39): Unresolved reference to 'PUR_INST'.# Region: /IPMC_CPU_test/IPMC_CPU/m0/FF_60类似于这样的问题还有一大串,就不贴上来了。PS:Lattice的library库文件我已经编译,仿真时也选择了该库文件。请各位大侠帮我看看,谢谢。
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小平头技术问答
谢谢分享 :)
在测试代码上加上
GSR GSR_INST (.GSR(1'b1));
PUR PUR_INST (.PUR(1'b1));
就可以了
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