Answered: Draw a complete datapath for 5 staged…

Engineering

Computer Science

Draw a complete datapath for 5 staged (IF, ID, EX, MEM, WB)

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter8: Data And Network Communication Technology

Section: Chapter Questions

Problem 11RQ

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Concept explainers

Fundamentals of Input and Output Performance

The I/O subsystem is a component of computer system design that uses buses to assist communication between the Central Processing Unit, Computer Memory/Storage, and Input and Output Devices (that is known as peripheral devices). The I/O subsystem includes disc controllers, tape drives, discs, system buses, and other devices. The I/O database application reads and writes drives using the operating system windows I/O.

Question

Draw a complete datapath for 5 staged (IF, ID, EX, MEM, WB) single-cycle operation that can perform the MIPS code given below. Show the connectivity and the bus width of the connections (in bits)s. Clearly indicate all ALU and Master control signals necessary to implement the
datapath.

MIPS Code:

lw $t0, 0($zero) % load x from Memory
add $t1, $zero, $zero
add $t2, $zero, $zero
L1: beq $t1, $t0, L2% compare i& x
add $t2,$t2, $t1
add $t2,$t2, $t1
addi$t1,$t1, 1
beq$zero, $zero, L1% go back to the loop
L2:sw $t2, 4($zero) % store result to Memory

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