Building a Datapath [1.1] Consider the following instruction: Instruction: and rd, rs1, rs2 Interpretation: Reg[rd] = Reg[rsl] AND Reg[rs2] a. What are the values of control signals generated by the control in the Figure below for this instruction? b. Which resources (blocks) perform a useful function for this instruction? c. Which resources (blocks) produce no output for this instruction? Which resources produce output that is not used? Read ALU operation register 1 Read data 1 MemWrite Read register 2 Registers Read Write register Zero MemtoReg Instruction ALUSrc ALU ALU result Read data Address data 2 M Write data Data RegWrite Write data memory Imm MemRead Gen
Building a Datapath [1.1] Consider the following instruction: Instruction: and rd, rs1, rs2 Interpretation: Reg[rd] = Reg[rsl] AND Reg[rs2] a. What are the values of control signals generated by the control in the Figure below for this instruction? b. Which resources (blocks) perform a useful function for this instruction? c. Which resources (blocks) produce no output for this instruction? Which resources produce output that is not used? Read ALU operation register 1 Read data 1 MemWrite Read register 2 Registers Read Write register Zero MemtoReg Instruction ALUSrc ALU ALU result Read data Address data 2 M Write data Data RegWrite Write data memory Imm MemRead Gen
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...
Related questions
Question
![Building a Datapath
[1.1] Consider the following instruction:
Instruction:
and rd, rs1, rs2
Interpretation:
Reg[rd] = Reg[rsl] AND Reg[rs2]
a. What are the values of control signals generated by the control in the Figure below for this instruction?
b. Which resources (blocks) perform a useful function for this instruction?
c. Which resources (blocks) produce no output for this instruction? Which resources produce output that is
not used?
Read
ALU operation
register 1
Read
data 1
MemWrite
Read
Zero
MemtoReg
Instruction
register 2
ALUSrc
Registers Read
ALU ALU
Read
data
Write
Address
data 2
result
register
Write
data
Data
RegWrite
Write
data
memory
Imm
MemRead
Gen
[1.2] Repeat the solution of question (1.1) for the following instructions:
a. or rd, rsl, rs2
b. sub rd, rsl, rs2
c. lw rd, offset (rsl)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F28a486a0-a393-4225-b026-56d28dd2b518%2Fb127742d-dca7-496b-bcca-4be2ca6fe2ef%2Fpnvair_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Building a Datapath
[1.1] Consider the following instruction:
Instruction:
and rd, rs1, rs2
Interpretation:
Reg[rd] = Reg[rsl] AND Reg[rs2]
a. What are the values of control signals generated by the control in the Figure below for this instruction?
b. Which resources (blocks) perform a useful function for this instruction?
c. Which resources (blocks) produce no output for this instruction? Which resources produce output that is
not used?
Read
ALU operation
register 1
Read
data 1
MemWrite
Read
Zero
MemtoReg
Instruction
register 2
ALUSrc
Registers Read
ALU ALU
Read
data
Write
Address
data 2
result
register
Write
data
Data
RegWrite
Write
data
memory
Imm
MemRead
Gen
[1.2] Repeat the solution of question (1.1) for the following instructions:
a. or rd, rsl, rs2
b. sub rd, rsl, rs2
c. lw rd, offset (rsl)
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