f25014a8ed
refine syscalls
2022-09-29 19:17:43 +02:00
f1a7138568
User mode (with a few syscalls)
...
IT ACTUALLY WORKS NOW.
Why wasn't it working? Oh, because I was not setting already present page tables's permissions to user mode. Just a little bug. THAT I SPENT DAYS TRYING TO FIND
Anyways, it works now. Such a relief...
2022-09-25 20:35:05 +02:00
19dff40ee2
Scheduler: track total CPU time of tasks
2022-09-25 17:49:51 +02:00
c3e5251687
Some more userland and font failing
2022-09-23 16:41:43 +02:00
ec01dc2927
Scheduler: Change fixed Task array for (highly inefficient) memory allocation, add userspace task support (which as memory is mapped kernel-only instantly crashes), and support for exiting a task (marking it as exited and reaping it later)
2022-09-21 21:06:00 +02:00
49ddb47ad4
Reorganize structure
2022-09-21 17:56:53 +02:00
1c12cf016e
Add a Scheduler.
...
Finally.
Just Round Robin with sleeping, but it's still awesome. I think this can finish v0.3, with a few adjustments.
2022-09-20 19:58:04 +02:00
d4a982306f
Add spinlocks
2022-09-18 20:15:19 +02:00
