if.dit

来自「mipsit是一个mips的虚拟机。可以用来了解mips的体系结构」· DIT 代码 · 共 43 行

// components:

object CPC PC
object CInstrMem InstrMem
object CMux2 PcMux
object CiAdd4 IfAdd4
object CRegIfId RegIfId

// Net list:

// to PC
connect PcMux.Out PC.In

// to InstrMem
connect PC.Out InstrMem.Address

// To pc+4 thing
connect PC.Out IfAdd4.In

// to the pipeline register
connect InstrMem.ReadData RegIfId.in_Instruction
connect IfAdd4.Out RegIfId.in_PC

// to the pc mux
// (only connections from this stage are done here)
connect IfAdd4.Out PcMux.In0

// connect the clock
connect clk.Ph0 RegIfId.Ph0
connect clk.Ph1 RegIfId.Ph1

connect clk.Ph0 PC.Ph0
connect clk.Ph1 PC.Ph1

// and now some probes:
probe InstrMem.ReadData 173 393 16 8 1
probe PC.Out 70 355 16 8 1
probe IfAdd4.Out 148 171 16 8 1
probe PcMux.Out 14 355 16 8 1
probe InstrMem.ReadData 2 4 16 30 2
probe RegIfId.out_Instruction 220 4 16 30 2