求助：XINLINX仿真时遇到recovery，不知道怎么修改，请指教！

xiaosha921

各位好：
     今天在仿真时遇到
     This is a Lite version of ISE Simulator(ISim).
Simulator is doing circuit initialization process.
Finished circuit initialization process.
WARNING:Simulator:29 - at 200.000 ns: Warning: Timing violation in
   /test_alu/uut/urami/inst/  $recovery( CLKB:200.000 ns, CLKA:200.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 200.000 ns: Warning: Timing violation in
   /test_alu/uut/urami/inst/  $recovery( CLKA:200.000 ns, CLKB:200.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 200.000 ns: Warning: Timing violation in
   /test_alu/uut/uramr/inst/  $recovery( CLKB:200.000 ns, CLKA:200.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 200.000 ns: Warning: Timing violation in
   /test_alu/uut/uramr/inst/  $recovery( CLKA:200.000 ns, CLKB:200.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 400.000 ns: Warning: Timing violation in
   /test_alu/uut/urami/inst/  $recovery( CLKB:400.000 ns, CLKA:400.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 400.000 ns: Warning: Timing violation in
   /test_alu/uut/urami/inst/  $recovery( CLKA:400.000 ns, CLKB:400.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 400.000 ns: Warning: Timing violation in
   /test_alu/uut/uramr/inst/  $recovery( CLKB:400.000 ns, CLKA:400.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 400.000 ns: Warning: Timing violation in
   /test_alu/uut/uramr/inst/  $recovery( CLKA:400.000 ns, CLKB:400.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 600.000 ns: Warning: Timing violation in
   /test_alu/uut/urami/inst/  $recovery( CLKB:600.000 ns, CLKA:600.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 600.000 ns: Warning: Timing violation in
   /test_alu/uut/urami/inst/  $recovery( CLKA:600.000 ns, CLKB:600.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 600.000 ns: Warning: Timing violation in
   /test_alu/uut/uramr/inst/  $recovery( CLKB:600.000 ns, CLKA:600.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 600.000 ns: Warning: Timing violation in
   /test_alu/uut/uramr/inst/  $recovery( CLKA:600.000 ns, CLKB:600.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 800.000 ns: Warning: Timing violation in
   /test_alu/uut/urami/inst/  $recovery( CLKB:800.000 ns, CLKA:800.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 800.000 ns: Warning: Timing violation in
   /test_alu/uut/urami/inst/  $recovery( CLKA:800.000 ns, CLKB:800.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 800.000 ns: Warning: Timing violation in
   /test_alu/uut/uramr/inst/  $recovery( CLKB:800.000 ns, CLKA:800.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 800.000 ns: Warning: Timing violation in
   /test_alu/uut/uramr/inst/  $recovery( CLKA:800.000 ns, CLKB:800.000 ns,1.000
   ns)
WARNING:Simulator:29 - at 1.000 us: Warning: Timing violation in
   /test_alu/uut/urami/inst/  $recovery( CLKB:1.000 us, CLKA:1.000 us,1.000 ns)
WARNING:Simulator:29 - at 1.000 us: Warning: Timing violation in
   /test_alu/uut/urami/inst/  $recovery( CLKA:1.000 us, CLKB:1.000 us,1.000 ns)
WARNING:Simulator:29 - at 1.000 us: Warning: Timing violation in
   /test_alu/uut/uramr/inst/  $recovery( CLKB:1.000 us, CLKA:1.000 us,1.000 ns)
WARNING:Simulator:29 - at 1.000 us: Warning: Timing violation in
   /test_alu/uut/uramr/inst/  $recovery( CLKA:1.000 us, CLKB:1.000 us,1.000 ns)

其中的ramr和rami是生成的双端口ram,
不知道怎么修改?请指教！谢谢诶

芒果果娟

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