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Valued Contributor III
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problem with NiosII IIS

I add a IP core(from Mentor Graphics) to SOPC . The Nios II ISS generates the following warning message when I try to run it: 

warning : sopc builder system component mentor_inventra_avalon_10_100_ethernet_m 

ac_0 is not supported by the simulator. simulation may be incorrect if your soft 

ware attempts to access it 

warning : sopc builder system component mentor_inventra_avalon_10_100_ethernet_m 

ac_1 is not supported by the simulator. simulation may be incorrect if your soft 

ware attempts to access it 

I've been hearded that iss supports simulation of the following peripherals: 

. memory (ram/rom) 

. avalon timer 

. avalon jtag uart 

. avalon uart 

Accesses to unsupported peripherals will be ignored. 

 

How can I solve this problem? Or, I should choose another way to begin writing and debugging Nios II applications before the final hardware configuration is determined? 

 

Thanks!
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