ID/EX.MemRead Hazard detection unit 1/RegRST 1/ Regs2 IF/DWrite ID/EX WBH EX/MEM Control Es* M u х M M WB E/MRegWr MEM/W

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ID/EX.MemRead Hazard detection unit 1/RegRST 1/ Regs2 IF/DWrite ID/EX WBH EX/MEM Control Es* M u х M M WB E/MRegWr MEM/WB PCWrite IF/ID 0- EX M M WB we A B fotot Es* M u х с Registers Instruction M ALU we PC Instruction memory Forward D M u FX of wt ut (*$3 х Data memory Immediate ForwardB IF/ID. RegisterRs1 IF/ID. RegisterRs2 IF/ID.RegisterRd Rd E/M. RegisterRd Rs1 Rs2 Forwarding unit M/W.RegisterRd M/WRegWr For the code snippet below, refer to the schematic above if necessary to answer the following so as to achieve correct pipeline operation: lw x3, 0(x3) xor x4, x5, x4 lw x5, Ox4(x3)

For the code snippet below, refer to the schematic above if necessary to answer the following so as to achieve correct pipeline operation: lw x3, 0(x3) xor x4, x5, x4 lw x5, 0x4(x3) lw x3, 0x4(x5) sw x3, 0x2(x5)

For what binary value will the first match occur [*] in which pipeline stage (1) will the match occur, what buses will contain the matching values [1] what action [1] will occur as a result, what will be the qualifying term (&?] and what related data selector (mux) input [134] will be selected? What control signals, if any, will be deasserted? [!] What binary comparison will match next (41%) in which pipeline stage (1) , what busses will contain the matching values [13] what action 选择 will result, what will be the qualifying term ] and what related data selector (mux) input 选择 will be selected? What control signals, if any, will be deasserted? [it] What binary comparison will match next [X] in which pipeline stage (1) , what busses will contain the matching values [it] what action 选择 will result, what will be the qualifying term (8) and what related data selector (mux) input [13] will be selected? What control signals, if any, will be deasserted? [43] What binary comparison will match next [*] in which pipeline stage ] , what busses will contain the matching values [134] , what action [14] will result, what will be the qualifying term ] and what related data selector (mux) input 选择 will be selected? What control signals, if any, will be deasserted? [4]