310555003 lab8 #185
Open
310555003 lab8 #185
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Separate user stack and kernel stack. Save / restore sp_el0 when switch el0 / el1.
The user program cannot be run currently.
Now the "fork" function in vm.img works and the video plays fine. TODO: - User program vm.img will use address 0x3cxxxxxx, need to figure out why and how to handle it properly - Map sigreturn to user address space and allow user to execute - Implement pt_free
The mailbox communication uses PA, and it may return some PA address at 0x3c000000 ~ 0x3f000000. The user program vm.img will use it. Currently implementation just does an identity paging for the user page table.
Fix the wrong implementation logic of reading file
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
No description provided.