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122 Commits

Author SHA1 Message Date
Bananymous 2191ca46bb Kernel: Make TmpFS enforce max page count. 2023-11-07 16:13:21 +02:00
Bananymous cec04a2858 Kernel: Remove now obsolete RamFS 
Everything is using now the better TmpFS which uses physical pages
for page allocation instead of the static kmalloc memory.
 2023-11-07 16:07:11 +02:00
Bananymous b87351f6d5 Kernel: Make DevFS use the new and better TmpFS instead of RamFS 2023-11-07 16:05:05 +02:00
Bananymous 8b4f661acb Kernel: Lock TmpFS in all its methods 2023-11-07 16:03:52 +02:00
Bananymous 27963febc0 Kernel: Implement symlinks to TmpFS 2023-11-07 15:59:50 +02:00
Bananymous c20f773c5d Kernel: /tmp is now TmpFS instead of RamFS 2023-11-07 02:36:22 +02:00
Bananymous a46b2f43d9 Kernel: Make ProcFS use the new TmpFS internally 2023-11-07 02:35:44 +02:00
Bananymous a20f8607de Kernel: Implement TmpFS Inode unlinking and deletion 2023-11-06 21:49:12 +02:00
Bananymous af330f7b8e Kernel: TmpFS directory inodes now iterate over only valid entries 2023-11-06 21:41:51 +02:00
Bananymous e33b3bcdff Kernel: Fix TmpFS directory entry enumeration early return 2023-11-06 21:06:10 +02:00
Bananymous 181d139c7d Kernel: Fix ext2 directory listing for big directories 2023-11-06 21:05:58 +02:00
Bananymous 639fd8804c Kernel: Implement TmpFS directory listing 2023-11-06 21:05:58 +02:00
Bananymous cbb2c37e00 Kernel: Implement TmpFS inode chmod 2023-11-06 20:11:34 +02:00
Bananymous ab4f033385 Kernel: Cleanup TmpFS code and block access doesn't require allocs 
TmpFS blocks are now accessed with a simple wrapper
 2023-11-06 20:07:09 +02:00
Bananymous 1ed08f62d3 Kernel: TmpInode blocks are on demand allocated 2023-11-06 10:44:37 +02:00
Bananymous 8164c15b6c Kernel: Implement read/write/truncate for TmpFileInode 2023-11-05 02:28:43 +02:00
Bananymous f9bf47ab30 Kernel: Start work on proper TmpFS in Heap instead of kmalloc memory 2023-11-04 18:18:45 +02:00
Bananymous 4e785a133c Kernel: Fix ext2 small link deallocation 
Also fix deallocation bug
 2023-10-30 16:22:02 +02:00
Bananymous 0757834176 Kernel: Rewrite a lot of ext2 code 
This commit consists of multiple big changes

1. blocks for inodes are now allocated on demand
  - reading from non allocated block will just return zeroes
  - writing to non allocated block allocates it

2. code doesn't really use raw pointers anymore
  - all casts to uint32_t or structures are now replaced with
    spans. either as<T> or as_span<T> which both are bounds
	checked

3. code doesn't depend on random macros for accessing indirect blocks
  - i added some recursive functions which take care of this :)
 2023-10-28 22:13:28 +03:00
Bananymous 8d583c8b67 Kernel: Fix ext2 inode block allocation with triply indirect blocks 2023-10-28 16:53:00 +03:00
Bananymous 99bde9aa49 Kernel: Fix ext2 inode deletion cleanup 
I now cleanup all blocks (including direct) in i_block array
 2023-10-28 16:52:56 +03:00
Bananymous d09310f388 Kernel: Fix ext2 inode deletion 
fsck now reports clean filesystem even after deleting files
 2023-10-26 02:05:05 +03:00
Bananymous 091c5b6a66 BAN: Implement Ext2 file unlinking 
Ext2 inodes can now be unlinked from directories and after last
inode closes (destructor gets called) we check if link count is 0
and cleanup the inode from filesystem
 2023-10-25 21:43:36 +03:00
Bananymous 1f794e4ac0 Kernel: Implement directory creation for RamFS 2023-10-25 19:41:34 +03:00
Bananymous e85f9ac6a1 Kernel: Implement Ext2 directory creation 2023-10-25 19:37:04 +03:00
Bananymous 6ee5576dcc Kernel: Add Inode API for creating directories 2023-10-25 19:36:04 +03:00
Bananymous b890e2fc14 Kernel: Ext2FS now uses Ext2Inodes as cached values 2023-10-25 19:34:00 +03:00
Bananymous 4f4b8ada8c Kernel: Fix read offset of RamFileInode 2023-10-25 02:53:20 +03:00
Bananymous 15bb1804ef Kernel/LibC: implement chmod syscall + libc wrapper 2023-10-25 02:35:37 +03:00
Bananymous 5bfeb9f3ca Kernel: Rewrite all read/write functions to use BAN::ByteSpan 
This allows us to not work with raw pointers and use sized containers
for reading and writing.
 2023-10-24 11:56:00 +03:00
Bananymous 27364f64a6 Kernel: Rework whole ATA driver structure 
Make ATA driver more compatible when we are adding SATA support
 2023-10-08 02:50:23 +03:00
Bananymous b712c70c75 Kernel: Expose command line and environment to /proc 2023-09-30 23:01:33 +03:00
Bananymous a511441f7e Kernel: /proc/{pid}/meminfo now reports per process memory usage 2023-09-30 21:20:18 +03:00
Bananymous cd61d710df Kernel: Add procfs that contains only pids 2023-09-30 21:19:36 +03:00
Bananymous d883d212b1 Kernel/LibC: dirent now contains file type 2023-09-30 20:46:57 +03:00
Bananymous dedb2a2399 Kernel: RamInode verifies that you have not specified mode type 
This is kinda weird behaviour, but it ensures the user cannot
create e.g. CharacterDevice with mode having IFLNK.

The Inode overrider is the only one setting the mode.
 2023-09-30 20:46:57 +03:00
Bananymous 8604c55de8 Kernel: Add API for RamDirectoryInodes to delete containing inodes 2023-09-30 19:22:30 +03:00
Bananymous e949e8550c Kernel: Rework RamInode API 
RamInode is now a general RamInode with no data. RamFileInode is now
a inode for regular files. This is much cleaner and more intuitive
since there is no reason for most non-regular inodes to hold data
Vector.
 2023-09-30 19:22:30 +03:00
Bananymous 05e57801e7 Kernel: SYS_SYNC now schedules sync to happen soon 
You can pass non-zero argument to the syscall to block until the
sync has finished.
 2023-09-27 00:34:00 +03:00
Bananymous 55d30a7cc3 Kernel: Ext2 inodes are now stored in cache 
This allows faster inode access and ensures working inodes when
opened in multiple places.
 2023-09-25 20:31:40 +03:00
Bananymous 8caba1e774 Kernel: Ext2 filesystem now holds 10 preallocated block buffers 
Inodes can query blocks from this buffer. This allows allocation of
blocks to not fail during normal operations. Also less stress on
kmalloc.
 2023-09-25 14:32:25 +03:00
Bananymous 7bdb428938 Kernel: Fix ext2 block allocation 
Redo ext2 block allocation. This is now much "cleaner" although
I'm not too fond of the macros.
 2023-09-25 13:17:44 +03:00
Bananymous 5fae3cec2a Kernel: Implement SYS_SYNC and add sync executable to userspace 
You can (and have to) manually sync disk after writes to it.
 2023-09-11 01:26:27 +03:00
Bananymous aa59142bfa Kernel: Fix ext2 file write 2023-09-11 01:20:39 +03:00
Bananymous 720bc418a6 All: Clear lines with only whitspace in them 2023-09-10 00:31:42 +03:00
Bananymous d77f455065 Kernel: Add basic ZeroDevice to /dev/zero 2023-09-10 00:31:42 +03:00
Bananymous 7e08f0fb66 Kernel: Start work on making inodes more thread safe 
All inode operations are now locked and thread blocked
 2023-09-10 00:31:42 +03:00
Bananymous 9e4a87021c Kernel: Fix directory permissions 
We did not care about X bit in directories and instead used only the
R bit for search/read.
 2023-09-08 11:46:53 +03:00
Bananymous 5887f6bcaa Kernel: Ext2 directories can allocate new blocks if needed 2023-09-08 10:29:26 +03:00
Bananymous e631eb7a7a Kernel: Fix possible out-of-bounds disk access in ext2 2023-09-08 02:42:53 +03:00