For each of the above instructions, determine: 3.1 What are the values of control signals generated by the control in Figure of datapath below for this instruction? Read register 1 ALU operation Read data 1 MemWrite Read register 2 Registers Read Write register MemtoReg Zero ALU ALU result Instruction ALUSrc Read data Address data 2 Write data Write data Data memory RegWrite 32 64 MemRead Imm Gen 3.2 Which resources (blocks) perform a useful function for this instruction? 3.3 Which resources (blocks) produce no output for this instruction? Which resources produce output that is not used?

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Consider the following instructions:
Instructions:
(i)addi x22, х22, 1
(ii)ld x9, 0(x10)
(iii) add x30 x29 x 28
Transcribed Image Text:Consider the following instructions: Instructions: (i)addi x22, х22, 1 (ii)ld x9, 0(x10) (iii) add x30 x29 x 28
For each of the above instructions, determine:
3.1 What are the values of control signals generated by the control in
Figure of datapath below for this instruction?
Read
register 1
ALU operation
Read
MemWrite
data 1
Read
MemtoReg
register 2
Registers Read
Write
register
Zero
ALU ALU
result
Instruction
ALUSrc
Read
data
Address
data 2
M
Write
data
Data
Write
RegWrite
memory
data
32
64
MemRead
Imm
Gen
3.2 Which resources (blocks) perform a useful function for this instruction?
3.3 Which resources (blocks) produce no output for this instruction? Which resources
produce output that is not used?
Transcribed Image Text:For each of the above instructions, determine: 3.1 What are the values of control signals generated by the control in Figure of datapath below for this instruction? Read register 1 ALU operation Read MemWrite data 1 Read MemtoReg register 2 Registers Read Write register Zero ALU ALU result Instruction ALUSrc Read data Address data 2 M Write data Data Write RegWrite memory data 32 64 MemRead Imm Gen 3.2 Which resources (blocks) perform a useful function for this instruction? 3.3 Which resources (blocks) produce no output for this instruction? Which resources produce output that is not used?
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