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We know the format of beq instruction: 0001 00ss ssst tttt The format can also be presented as follows: 100011 rs rt Load Word 31:26 25:21 20:16 Branch 000100 rs rt 31:26 25:21 20:16 15:0 15:0 beq rs,rt,l

We know the format of beq instruction: 0001 00ss ssst tttt The format can also be presented as follows: 100011 rs rt Load Word 31:26 25:21 20:16 Branch 000100 rs rt 31:26 25:21 20:16 15:0 15:0 beq rs,rt,l

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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We know the format of Iw-format instruction: 1000 11ss ssst tttt IIII We know the format of beq instruction: 0001 00ss ssst tttt The format can also be presented as follows: 100011 rs rt I Load Word 31:26 25:21 20:16 15:0 Branch 000100 rs rt I 31:26 25:21 20:16 15:0 Processor try to run instruction lw $6,4($5), please answer the following question: The instruction /w $6,4($5) allocates at memory address 0x00400018. The data memory has the following structure: data memory Memory Data 0x 0010 0010 0x1111 1111 0x 0010 0014 0x 2222 2222 0x 0010 0018 0x 3333 3333 The data in $5 is decimal 0x00100014. The data in $6 is 0. Given the datapath as below. Please answer the following question Add PC Read address Instruction [31:0] Instruction memory IIII A Instruction [25:21] Instruction [20:16] Instruction [15:11] RegDst Instruction [15:0] F IIII 1/₂ IIII iiii RegWrite Read register 1 Read data 1 Read register 2 Write Read register data 2 Write data Registers 16 Instruction [5:0] 12 1) Please answer the following question. When Iw $6,4($5) is executed, What is the data on wire A($rs)(5 bit Binary): ( What is the data on wire B($rt)(5 bit Binary): What is the data on wire C( 8 digit hex): Ox What is the data on wire D(8 digit Hex):Ox What is the data on pin MemWrite(1 bit binary): What is the data on pin RegWrite(1 bit binary): 2) Instruction beq $2,$3,0x is allocated at memory address 0x00400010, The data in $2 is decimal 20 The data in $3 is decimal 20 The data on wire E is 0x 0040 0018 Please answer the following question What's the data on wire F (4 digit hex): Ox What's the data on pin MemRead(1 bit binary): 32 Sign- extend Iw rt, I (rs) beq rs,rt,l Shift left 2 ALUSrc OMUXL ALU Addresult Zero ALU ALU result ALU control ALUOP PCSrc MEX MemWrite Read data Address Data Write memory data MemRead MemtoReg TMUXO
Transcribed Image Text:We know the format of Iw-format instruction: 1000 11ss ssst tttt IIII We know the format of beq instruction: 0001 00ss ssst tttt The format can also be presented as follows: 100011 rs rt I Load Word 31:26 25:21 20:16 15:0 Branch 000100 rs rt I 31:26 25:21 20:16 15:0 Processor try to run instruction lw $6,4($5), please answer the following question: The instruction /w $6,4($5) allocates at memory address 0x00400018. The data memory has the following structure: data memory Memory Data 0x 0010 0010 0x1111 1111 0x 0010 0014 0x 2222 2222 0x 0010 0018 0x 3333 3333 The data in $5 is decimal 0x00100014. The data in $6 is 0. Given the datapath as below. Please answer the following question Add PC Read address Instruction [31:0] Instruction memory IIII A Instruction [25:21] Instruction [20:16] Instruction [15:11] RegDst Instruction [15:0] F IIII 1/₂ IIII iiii RegWrite Read register 1 Read data 1 Read register 2 Write Read register data 2 Write data Registers 16 Instruction [5:0] 12 1) Please answer the following question. When Iw $6,4($5) is executed, What is the data on wire A($rs)(5 bit Binary): ( What is the data on wire B($rt)(5 bit Binary): What is the data on wire C( 8 digit hex): Ox What is the data on wire D(8 digit Hex):Ox What is the data on pin MemWrite(1 bit binary): What is the data on pin RegWrite(1 bit binary): 2) Instruction beq $2,$3,0x is allocated at memory address 0x00400010, The data in $2 is decimal 20 The data in $3 is decimal 20 The data on wire E is 0x 0040 0018 Please answer the following question What's the data on wire F (4 digit hex): Ox What's the data on pin MemRead(1 bit binary): 32 Sign- extend Iw rt, I (rs) beq rs,rt,l Shift left 2 ALUSrc OMUXL ALU Addresult Zero ALU ALU result ALU control ALUOP PCSrc MEX MemWrite Read data Address Data Write memory data MemRead MemtoReg TMUXO
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