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AgeCommit message (Collapse)Author
2021-07-01Timing is everythingMarvin Borner
2021-06-19Improved bus and device managementMarvin Borner
2021-06-08Process exit improvementsMarvin Borner
2021-06-02Huge scheduler rewrite and other thingsMarvin Borner
2021-05-20Major restructuringMarvin Borner
2021-05-15Strange fixesMarvin Borner
I have no ideas halp
2021-05-04General fixes (see description) - closes #17Marvin Borner
Somehow the Grub conversion (or anything before/between that) seems to have caused a *very* weird memory bug involving the heap/stack/sth overflowing into the video memory which will obviously result in strange undefined behaviour when data is written to the video memory. VERY STRANGE. Well, I need to prepare for my finals (Abitur) so I don't know whether I can fix this issue in the next few days. We'll see...
2021-04-30Some small fixes here and thereMarvin Borner
2021-04-29Multiboot/Grub progressMarvin Borner
2021-04-27Huge compositor, timer and yielding improvementsMarvin Borner
2021-04-25Chu chuu, using the bus for everything now!Marvin Borner
Well, I know: bus != train. But I like trains. So I don't care. Go away!
2021-04-17Added I/O bus implementation for efficient IPCMarvin Borner
This was a nice coding session. See ya tomorrow!
2021-04-16New elegant I/O blocking solutionMarvin Borner
This is done using an internal scheduler syscall (127). Very nice!
2021-04-13Started IO dev managerMarvin Borner
2021-04-10Some changes here and thereMarvin Borner
2021-04-10Gave procs own kernel stack (TSS)Marvin Borner
2021-04-06Made exec syscall relative using app nameMarvin Borner
My plan is to implement a mobile-OS-like sandboxing using manifests and permission middlewares. Let's see if I can manage to do this without sacrificing too much performance. I'm also wondering whether I should implement open/close syscalls which would result in a cleaner block/unblock mechanism. I need to think. Hmmm.. Naa
2021-04-05Added new randomization featuresMarvin Borner
2021-04-02Replaced target macrosMarvin Borner
2021-04-02Huge scheduling/proc-management improvementsMarvin Borner
2021-04-01Hardened entire systemMarvin Borner
By using the nonnull attribute and replace buffer-overflow-prone functions like strcpy, strcat and sprintf by strlcpy, strlcat and snprintf.
2021-03-28Added ring0 privileges to kernel processesMarvin Borner
This enables a more efficient idling process using the hlt instruction. The context-switching is a bit slower now, too. I have to look into that.
2021-03-21Cleaner shared memory implementationMarvin Borner
2021-03-21Hardened syscallsMarvin Borner
2021-03-13NicüMarvin Borner
2021-03-02very good this isMarvin Borner
2021-02-25Added some debugging featuresMarvin Borner
I've tried to track down the bugs with kvm and q35 but I didn't manage to do it - yet! I'll probably look into it soon.
2021-02-25Applied even more warning flags!Marvin Borner
Fixing all the warnings wasn't that easy actually..
2021-02-21Activated SSE/FPU features for better performanceMarvin Borner
2021-02-16Okay!Marvin Borner
2021-02-14Message waiting and more!Marvin Borner
2021-02-10Print to streams instead of serial consoleMarvin Borner
2021-02-09Added basic streamsMarvin Borner
2021-02-07Added poll syscallMarvin Borner
2021-02-07Added filesystem and proc permissionsMarvin Borner
2021-02-07Fixed some memory leaks (broke some stuff too)Marvin Borner
2021-01-21Fixed some dumb bugsMarvin Borner
2021-01-20Added proc wait struct with functionMarvin Borner
2021-01-15Implemented basic dev ready-state waitingMarvin Borner
2021-01-14Added kernel idle processMarvin Borner
2021-01-11Much work..Marvin Borner
2021-01-10Started procfsMarvin Borner
2021-01-09Let's make a procfs for IPC insteadMarvin Borner
2021-01-09To be continuedMarvin Borner
2020-11-24Fixed timer counting with yield()Marvin Borner
2020-11-18Added browser and many networking thingsMarvin Borner
2020-11-05Added warning flags and fixed them :)Marvin Borner
2020-09-16Added *very* basic keymap parsingMarvin Borner
2020-09-14Some GUI fixesMarvin Borner
2020-09-13Added window scalingMarvin Borner
2020-09-11Removed wait syscall - whoopsidoo!Marvin Borner
2020-09-07Added wait syscall.Marvin Borner
This makes a process sleep until it receives a new message (no polling!). I thought that this will result in performance improvements but I haven't noticed any, yet. Maybe I'll remove this again in the future..
2020-09-05Improved schedulerMarvin Borner
2020-08-25Some optimizations or sthMarvin Borner
2020-08-24Removed async eventsMarvin Borner
2020-08-22Some window fb and yield implementationMarvin Borner
2020-08-22Added *very* basic polling ipcMarvin Borner
2020-08-22Added event resolvingMarvin Borner
2020-08-22Added proc event listMarvin Borner
2020-08-22Added quantum counterMarvin Borner
2020-08-22Switched proc linked list to libc listMarvin Borner
2020-08-21Finished proper return of processesMarvin Borner
2020-08-21Some things here and some things thereMarvin Borner
2020-08-17Added event descriptorMarvin Borner
2020-08-15Added some syscall wrappersMarvin Borner
2020-08-09Heavy restructuring of libc, kernel and appsMarvin Borner