OpenMIPS内部过程图

WB

MEM/WB

EX

IF/ID

ID/EX

rst imem_dataaddr

v.e.aluop r.e.aluopv.e.alusel r.e.aluselv.e.data1 r.e.data1v.e.data2 r.e.data2v.e.wreg r.e.wregv.e.rd r.e.rdv.e.cnt r.e.cntv.e.imm r.e.immv.e.inst_valid r.e.inst_validrstclk

MEM

ID

rst clk raddr1 raddr2rdata1 re1rdata2 re2 waddr wdata we

waddr_i waddr_owreg_i wreg_oresult_i result_oret

imem

v.d.pc r.d.pcv.d.inst r.d.instrst clk

v.m.waddr r.m.waddrv.m.wreg r.m.wregv.m.result r.m.result rstclk

pc_i aluop_oinst_i alusel_o data1_o data2_o wreg_o rd_o cnt_o imm_o inst_valid_o rf_o.raddr1 rf_o.raddr2rf_i.data1 rf_o.ren1rf_i.data2 rf_o.ren2 rf_o.waddrrst rf_o.wdataclk rf_o.wren

v.w.waddr r.w.waddrv.w.wreg r.w.wregv.w.result r.m.resultrstclk

aluop_i waddr_oalusel_i wreg_odata1_i result_odata2_i wreg _i rd_i cnt_i imm_i inst_valid_irstclk

rst r.f.pcclk raddr1

EX/MEM

PC