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				https://github.com/YosysHQ/yosys
				synced 2025-10-31 03:32:29 +00:00 
			
		
		
		
	Covers most of the todo list, at least functionally. Some minor issues with not always using hardware features.
		
			
				
	
	
		
			61 lines
		
	
	
	
		
			946 B
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
	
		
			946 B
		
	
	
	
		
			Text
		
	
	
	
	
	
| ram block \RAM_BLOCK_SP {
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| 	cost 2;
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| 	abits 4;
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| 	width 16;
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| 	byte 8;
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| 	port srsw "A" {
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| 		clock posedge;
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| 		clken;
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| 		rden;
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| 
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| 		option "RDWR" "NO_CHANGE" {
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| 			rdwr no_change;
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| 		}
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| 		option "RDWR" "OLD" {
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| 			rdwr old;
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| 		}
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| 		option "RDWR" "NEW" {
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| 			rdwr new;
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| 		}
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| 		option "RDWR" "NEW_ONLY" {
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| 			rdwr new_only;
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| 		}
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| 
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| 		ifdef USE_ARST {
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| 			option "RDARST" "ZERO" {
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| 				rdarst zero;
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| 			}
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| 			option "RDARST" "ANY" {
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| 				rdarst any;
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| 			}
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| 		}
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| 
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| 		ifdef USE_SRST {
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| 			option "SRST_BLOCK" 0 {
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| 				option "SRST_GATE" 0 {
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| 					rdsrst zero ungated;
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| 				}
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| 				option "SRST_GATE" 1 {
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| 					rdsrst zero gated_clken;
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| 				}
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| 				option "SRST_GATE" 2 {
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| 					rdsrst zero gated_rden;
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| 				}
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| 			}
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| 		}
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| 
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| 		ifdef USE_SRST_BLOCKING {
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| 			option "SRST_BLOCK" 1 {
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| 				option "SRST_GATE" 0 {
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| 					rdsrst zero ungated block_wr;
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| 				}
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| 				option "SRST_GATE" 1 {
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| 					rdsrst zero gated_clken block_wr;
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| 				}
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| 				option "SRST_GATE" 2 {
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| 					rdsrst zero gated_rden block_wr;
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| 				}
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| 			}
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| 		}
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| 	}
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| }
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