Question

Semaphores are supported at hardware level by the TM4C123GH6PM. Provide the suggested steps your program should...

Semaphores are supported at hardware level by the TM4C123GH6PM. Provide the suggested steps your program should follow to use semaphores on this MCU.

Engineering   Electrical-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Answer :- Software can use the synchronization primitives to implement a semaphore as follows:

1. Use a Load-Exclusive instruction to read from the semaphore address to check whether the
semaphore is free.
2. If the semaphore is free, use a Store-Exclusive to write the claim value to the semaphore
address.
3. If the returned status bit from step 2 indicates that the Store-Exclusive succeeded, then the
software has claimed the semaphore. However, if the Store-Exclusive failed, another process
might have claimed the semaphore after the software performed step 1.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Convert your algorithm into a C++ program. Your program should output the value of the longest...
Convert your algorithm into a C++ program. Your program should output the value of the longest side of the right-angled triangle. Note, to answer the question, you will need to be able to do square root. To do square root, follow these 2 steps. 1) include the cmath library that allows square root using the statement #include <cmath> 2) To perform a square root, use the syntax sqrt(a double variable or number goes in here); For example cout << sqrt(25.0);   ...
Your program, called should take two command line arguments, the dictionary, and the text that you...
Your program, called should take two command line arguments, the dictionary, and the text that you wish to spellcheck. Provide some sample text. Your program should be case insensitive (so you can toLower everything). Numbers and contractions are considered valid words. You may use the java HashTable or HashMap to implement this program; but it must use some kind of hash table.
A student beginning a professional nursing program plans to write a research paper. What steps does...
A student beginning a professional nursing program plans to write a research paper. What steps does the student have to follow in writing the paper? What sources should the student consider as most reliable?
How is conducting graduate-level research different from research you did in your undergraduate program? Provide specific...
How is conducting graduate-level research different from research you did in your undergraduate program? Provide specific examples. The DQ response must be 150-200 words and have at least one citation and one reference in APA format.
Write a program for a basic string extraction. The program should: Display a message stating its...
Write a program for a basic string extraction. The program should: Display a message stating its goal Prompt the user to enter any input Extract only the string characters from the input Display the extraction in lowercase For example, for the input "But, why?!?" the output should be but why Remember: Do not use more advanced functions than needed. Make sure to include comments that explain all your steps (starts with #). Run the program a few times to make...
Create a program in C++ language, create a flowchart, provide a screenshot of the program and...
Create a program in C++ language, create a flowchart, provide a screenshot of the program and output, and involve looping for your program: Nested loops: Challenge. Write a program that calculates and displays the yearly amount available if $1000 is invested in a bank account for 10 years. Your program should display the amounts available for interest rates from 6% to 12% inclusively, in 1% increments. Use a nested loop, with the outer loop controlling the interest rate and the...
Write a shell program named HELOO (this should be done linux) Your program should set permissions...
Write a shell program named HELOO (this should be done linux) Your program should set permissions for a file named A1testFile so that the current premissions remain, except execute permissions are REMOVED for everyone, including owner. Your must accomplish this with a single chmod command. A1testFile should be specified as a relative path name to a file in the current directory (the directory the user is in when they run your program). Your program should not display any error messages,...
1. Which of the following is not correct about an audit program? a. It should be...
1. Which of the following is not correct about an audit program? a. It should be specifically written so that someone can follow the steps b. It should be signed off as the auditor completes each step. c. It is an important tool, uniquely written for different sections of the audit (Ex. revenues, expenses). d. It should allow the first year auditor to be creative in doing extra tests and verification if merited.
should be in Linux, please Write a shell program named A1L21 Your program should set permissions...
should be in Linux, please Write a shell program named A1L21 Your program should set permissions for a file whose name is given as an argument to your program. The permissions must be changed using a SINGLE chmod command, and must be set to EXACTLY rw for owner and group and x for others. Your program should NOT show any error messages on the screen, even if the given file does not exist, etc.
In 2-3 paragraphs, respond to the following. Your initial post should be substantive and be supported...
In 2-3 paragraphs, respond to the following. Your initial post should be substantive and be supported by course concepts. How might an individual manage work-induced stress?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT