读入Verilog后link的log如下:
Loading db file '../ref/max.db'
Linking design SPI_PCM…
Warning:Unable to resolve reference to 'SERIALSLAVE' in 'SPI_PCM'.(LINK-005)
Warning:Unable to resolve reference to 'TESTOUTSEL' in 'SPI_PCM'.(LINK-005)
Warning:Unable to resolve reference to 'PCM' in 'SPI_PCM'.(LINK-005)
……
Information:Creating black box for U1/SERIALSLAVE…(LINK-043)
Information:Creating black box for U2/TESTOUTSEL…(LINK-043)
Information:Creating black box for U3/PCM…(LINK-043)
……
Information:251(88.3%) library cells are unused in library max.db……
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SERIALSLAVE,TESTOUTSEL,PCM等是子module