Quark

Quark is a single cycle RISC-V core, The RTL is written in BlueSpec System Verilog (BSV)

                                                                              
+-------------------+                                                         
|                   |                                                         
|       Quark       |                                                         
|                   |                                                         
+---------|---------+                                                         
          -                                                                   
          |                                                                   
 +--------------------------------------------------------------+             
 |                         Interconnect                         |             
 +----------------------------------------------|---------------+             
                 |                              |                             
                 |                              |                             
                 |                              |                             
                 |                              |                             
      +----------|---------+          +---------|---------+                   
      |                    |          |                   |                   
      |        UART        |          |       GPIO        |                   
      |                    |          |                   |                   
      +--------------------+          +-------------------+