State
2019-05-25 10:41:52   14  举报             
     
         
 MIPS多周期处理器状态机图
    作者其他创作
 大纲/内容
 SHIFT=1
    RType&~JR
  MULen=1
  7:ALUWriteback 
  20:MULWriteback 
  BEQ
  4:MemWriteback 
  IorD=1
  9:ADDIExecute 
  12:BranchBNE 
  ORI
  mul_cnt<=3
  ALUSrcA=1ALUSrcB=2ALUOp=5
  MemtoReg=1MemWrite
  PCSrc=3PCWrite
  SW
  RegDst=1MemtoReg=3
  ALUSrcA=1ALUOp=1PCSrc=1Branch
  6:Execute 
  ALUSrcB=3
  SLTI
  15:SLTIExecute 
  14:ORIExecute 
  ADDI
  RegDst=1RegWrite
  ALUSrcA=1ALUSrcB=2ALUOp=3
  18:MULReady 
  BNE
  JR
  ALUSrcA=1ALUOp=1
  8:Branch 
  JAL
  ALUSrcA=1ALUSrcB=2ALUOp=4
  RegDst=2MemtoReg=2RegWrite
  11:Jump 
  13:ANDIExecute 
  0:Fetch
  19:MULExecute 
  3:MemRead 
  ALUSrcA=1ALUSrcB=2
  ALUSrcB=1IRWritePCWrite
  ALUSrcA=1ALUOp=1PCSrc=1BranchBNE
  10:ADDIWriteback 
  ANDI
  J
  LW or SW
  5:MemWrite 
  1:Decode
  2:MemAdr
  MUL
  IorD=1MemWrite
  17:JALExecute 
  LW
  PCSrc=2PCWrite
  16:JRExecute 
  RegWrite
   
 
 
 
 
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