Architectures and Processors forum Use case of MSP and PSP in Cortex M

State Accepted Answer
Locked Locked
Replies 1 reply
Subscribers 349 subscribers
Views 47795 views
Users 0 members are here

2025 survey

We are running a survey to help us improve the experience for all of our members. If you see the survey appear, please take the time to tell us about your experience if you can.

Options

How was your experience today?

This discussion has been locked.

You can no longer post new replies to this discussion. If you have a question you can start a new discussion

Use case of MSP and PSP in Cortex M

techguyz over 11 years ago

Hi Experts,

What is the key difference between Master Stack pointer and the Process stack pointer and how an OS can take advantage of it ?

Top replies

Chris Shore over 11 years ago +2 verified

HI, Having two separate stack pointers allows the operating system to be safer and more robust. Usually, you would configure the operating system toy use Main Stack Pointer (MSP) and user applications...