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Christoph Urlacher
2022-07-23 18:51:15 +02:00
parent 70876f1a06
commit ad2efb2f64
1 changed files with 11 additions and 10 deletions
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README.md
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@ -8,31 +8,32 @@ Makefile
Changes
======================================
- Removed the Input.h/Input.cc files
- Made device classes singletons
- Changed the multitasking assembly (use stack instead of thread_state)
- Removed the Queue.h/Queue.cc/Chain.h files
- Many changes to the scheduler (strategy is still round robin):
- Merged dispatcher into the scheduler
- Merged dispatcher into the scheduler (removed Dispatch.h/Dispatch.cc)
- Scheduler no longer uses queue but vector
- Scheduler owns threads (no outside references)
- Threads are addressed by tid from the outside
- Threads are deallocated automatically when killed/exited
- Retrieve threads from the scheduler without deallocation
- Retrieve threads when killing them
- Threads are deallocated when killed and not retrieved
- Scheduler manages blocked threads
- Simplified thread switching by storing registers on the stack (removed ThreadState.h, Thread.inc)
Additions
======================================
- Some stream manipulators for CGA_Stream (color) and OutStream (fixed width)
- Logging class with support for colored serial port output
- Logging with serial port output
- Main menu to start demos
- A very basic system to broadcast keyboard events to threads
- Basic implementation of vector with iterator support
- Basic implementation of unique_ptr
- Basic implementation of fixed size array (just a wrapper for C-style arrays)
- Basic vector and iterator
- Basic unique_ptr
- Basic fixed size array (just a wrapper for C-style arrays)
Bugs
======================================
- Can't exit the PCSPKdemo (bluescreen)
- After exiting the VBEdemo the paging isn't reactivated (so the pagefault bluescreen no longer works)
- The PreemptiveThreadDemo LoopThreads can't be exited, the demo can't be launched multiple times
- Random bluescreens that are hard to pinpoint
- Tree Allocator (uses a red black tree to find best-fit blocks) crashes when freelist root is removed
- Can't restart the OS (bluescreen)
- Random bluescreens that are hard to pinpoint