Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

2. Given the following memory and register contents, the instruction POP (r5,r4, pc} executes in order to return from this interrupt handler. What is

2. Given the following memory and register contents, the instruction POP (r5,r4, pc} executes in order to return from this interrupt handler. What is the address of the instruction which will execute next? Explain why. Register R13 (SP) 0xFFFF FFF1 0xFFFF_FFF9 0xFFFF FFFD Contents 0x2000_0000 EXC_RETURN Code Memory Address 0x2000 0000 0x0000_5133 0x2000 0004 Contents 0x4500 f 0x2000_0008 0xffff_ fff9 0x2000 000c 0x0000 4800 0x2000 0010 0x0000 5000 0x2000 0014 0x0000 5080 0x2000_0018 0x0000_0009 0x2000 001e 0x0000_0087 0x2000_0020 0x0000_1840 0x2000_0024 0x0000 2380 0x2000 0028 0x0100 0000 Return stack 0 (MSP) 0 (MSP) 1 (PSP) Description Return to Handler mode with MSP Return to Thread mode with MSP Return to Thread mode with PSP

Step by Step Solution

3.31 Rating (142 Votes )

There are 3 Steps involved in it

Step: 1

To understand the execution of the instruction POP r5 r4 pc and find out the address of the next instruction lets go through the process step by step ... blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Modern Operating Systems

Authors: Andrew S. Tanenbaum, Herbert Bos

4th edition

013359162X, 978-0133591620

More Books

Students also viewed these Electrical Engineering questions