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1885 Commits

Author SHA1 Message Date
Bananymous d91a5bccf4 Kernel: Reads return 0 bytes read at the end of device 
We used to not have any idea if we where already at the end of device.
Also fixed couple of copy-paste errors from read->write
 2023-04-01 00:55:07 +03:00
Bananymous 1ca0d3a3c1 Kernel: Shell cleanup cat command 2023-04-01 00:54:39 +03:00
Bananymous 653f688567 Kernel: Shell 'time' prints the time even if command fails 2023-04-01 00:30:33 +03:00
Bananymous 8b5d8d9f8a Kernel: Process gets absolute paths for mount 2023-04-01 00:30:11 +03:00
Bananymous c45ada6ccb Kernel: fix ext2 failed creation memory leak 2023-04-01 00:22:03 +03:00
Bananymous db65cfeb8a Kernel: Cleanup ATA device initialization 2023-03-31 00:58:57 +03:00
Bananymous a3ba6da6f3 Kernel: Move DeviceManager to its own file 2023-03-30 22:39:45 +03:00
Bananymous b048630e5b Kernel: Improve locking in Process, VFS and ATAController 
We used to block on all process access. This meant that shell
reading the keyboard input would block all VFS access making disk
accesses practically impossible. We now block only when it is
necessary :)
 2023-03-30 22:02:16 +03:00
Bananymous dcee92a6bc Kernel: Thread is no longer RefCounted 
This makes developement with Scheduler much easier against compiler
optimizations. I could now remove the pragma GCC optimize stuff.
 2023-03-30 19:16:51 +03:00
Bananymous c2e3b422cc Kernel: Add Semaphore to block threads 2023-03-30 18:46:33 +03:00
Bananymous 7b7f4eb141 BAN: LinkedList::remove now returns iterator to the element after 2023-03-30 18:46:19 +03:00
Bananymous d4c03d3939 Kernel: root partition is now passed from the commandline 2023-03-30 18:46:19 +03:00
Bananymous 5d459130a7 BAN: StringView::split(char, bool) is now thread safe 
I had to duplicate some code, but this is better since I would like
to not use BAN::Function for something like this
 2023-03-30 16:35:38 +03:00
Bananymous 8e68d2e3ea Kernel: Shell can now mount partitions 2023-03-30 15:06:41 +03:00
Bananymous 30c33b55e3 Kernel: Inode::Mode is now a struct so we can have functions in it 2023-03-30 14:41:15 +03:00
Bananymous e2791e5260 Kernel: StorageDevices and Controllers are now devices 2023-03-30 14:22:15 +03:00
Bananymous 88a8bd659d Kernel: Add IFBLK, IFLNK, IFSOCK to Inode::Mode 2023-03-30 13:15:46 +03:00
Bananymous f9cc114907 Kernel: All devices have atime, mtime, ctime at their creation 2023-03-30 13:15:46 +03:00
Bananymous 9a4d603a62 Kernel: Remove the mount test from VFS 2023-03-30 11:43:24 +03:00
Bananymous 78ea4b2207 Kernel: fix stat command and device numbers 2023-03-30 10:43:08 +03:00
Bananymous ab3cdea548 Kernel: Rewrite mounting code 2023-03-29 21:34:48 +03:00
Bananymous 10e0c90fde BAN: String add front() and back() helpers 2023-03-29 14:10:29 +03:00
Bananymous dd84a2175f Kernel: Move Partition out of StorageDevice and rename functions 2023-03-29 13:23:01 +03:00
Bananymous ae05ad3f38 Kernel: Shell commands 'ls' and 'stat' recognize character devices 2023-03-29 11:56:33 +03:00
Bananymous 62fb233eb1 Kernel: DeviceManager is now a 'FileSystem' so it can expose devices 
Shell reads keyboard through /dev/input :)
 2023-03-29 11:50:46 +03:00
Bananymous cd0d10b64e LibC: add ENOBUFS errno 2023-03-29 10:58:25 +03:00
Bananymous 426b1482dd Kernel: Fix keymap numlock behaviour 2023-03-29 03:18:22 +03:00
Bananymous 16d9d29971 Kernel: Remove obsolete KeyboardLayout/ 
This was used by the old input system. Currently keyboard layout is
hardcoded to finnish. But it will be reworked as something read from
the filesystem
 2023-03-29 03:09:14 +03:00
Bananymous a4fb805315 Kernel: Add linecount.sh script 
This calculates the number of lines of code in the whole project :D
 2023-03-29 03:06:57 +03:00
Bananymous fa8e921ee8 Kernel: Rework the whole input system 
We now use Device abstraction that will allow us to provide devices
to userspace through /dev. Currently Shell reads from first and only
device (it being PS/2 Keyboard).
 2023-03-29 03:05:16 +03:00
Bananymous e5c3486826 BAN: Vector now takes optional argument for default value on resize 2023-03-28 23:10:36 +03:00
Bananymous 8e626b8d1f BAN: Implement basic Circular Queue 2023-03-28 21:44:02 +03:00
Bananymous ea900ad744 Kernel: ACPI unmap_header does not do anything 
We have to work with MMU mapping/unmapping to be user friendly
 2023-03-28 02:56:44 +03:00
Bananymous 6a6717cdd3 BAN: ScopeGuard can now be disabled (it wont call the function) 2023-03-28 01:15:13 +03:00
Bananymous c7286396d8 Kernel: Move ACPI to its own file 2023-03-27 17:30:45 +03:00
Bananymous 0cebf248a3 BAN: move placement new declaration to Move.h 2023-03-27 03:38:06 +03:00
Bananymous 686b425eb9 Build System: Create base directory for the FS 2023-03-27 01:11:17 +03:00
Bananymous 666051fd34 Kernel/BAN: move unix time conversion to BAN and add stat to Shell 2023-03-27 00:49:58 +03:00
Bananymous e55860eb6b Kernel: Rework processes and VFS so we don't expose inodes 
Everything is now done through a file descriptor.
 2023-03-26 04:30:57 +03:00
Bananymous 32c3aca52f LibC: add dirent.h 2023-03-25 02:08:33 +02:00
Bananymous 9fd17ef73c LibC: Add stat structure 2023-03-24 18:08:22 +02:00
Bananymous 1fade1aa9e Kernel: Process::working_directory() is now thread safe 
I realized you cannot return a stirng view and it to be thread safe
 2023-03-24 01:46:25 +02:00
Bananymous 814f0b215d Kernel: Create RecursiveSpinLock and add it to Process 
We now lock every function within Proccess, just to be sure.
Recursive lock allows us to use lock from the same thread even if
we already have the spinlock locked
 2023-03-24 01:32:35 +02:00
Bananymous 5fd26b4ea8 Kernel: Lock process functions instead of the ata controller 
Process has to use locks at least on some functions so multithreaded
disk io is safe. This seemed to fix corrupted reads from disk
 2023-03-24 01:17:39 +02:00
Bananymous e5eab8bae4 Kernel: Ext2FS now does allocations better 
We only have to allocate at the beginning of the all functions and
can properly exit before any disk reads if we run out of memory.

This makes development little bit 'harder' since the {read,write}_block
user must allocate a buffer of atleast block_size bytes.

I also made disk access to cause kernel panic on error since the error
handling during file write is something I don't want to think now.
The filesystem can easily corrupt so, I feel like when disk io starts
to fail I'll come back to this.
 2023-03-23 23:22:31 +02:00
Bananymous 75c4f35e85 Kernel: Add possibiliity to create empty files on Ext2 
Big rewrite for Ext2 for more easy and optimized code
 2023-03-23 22:26:06 +02:00
Bananymous 1be8b2f514 LibC: add more typedefs to sys/types 2023-03-23 19:24:12 +02:00
Bananymous 633414bd20 Kernel: Remove block group descriptor cache from ext2fs 
This will make improving the fs easier since we need to only update
the values on the disk
 2023-03-23 18:52:58 +02:00
Bananymous 7ca6cd61be Kernel: Move get_unix_time to RTC namespace 2023-03-23 18:14:51 +02:00
Bananymous d6e4430692 LibC: add errno NAMETOOLONG 2023-03-23 14:48:42 +02:00