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1427 Commits

Author SHA1 Message Date
Bananymous 40f55be587 Userspace: Write simple mouse test program 
This program draws circle on framebuffer, that you can move with
mouse, resize with scroll, and recolor with mouse buttons.
 2024-01-04 19:50:26 +02:00
Bananymous 54c811ac2e Kernel: Fix some mouse scrolling bugs and cleanup event generation 2024-01-04 19:50:26 +02:00
Bananymous 12a78c822e Kernel: Explicitly construct ByteSpan from Span<uint8_t> 
VSC complains about not finding proper constructor, this fixes that.
 2024-01-04 12:17:55 +02:00
Bananymous e45b544a39 Kernel: Implement PS/2 mouse driver 
This is realtively simple driver that queries extensions (scroll +
extra buttons) from mouse and reads mouse packages.
 2024-01-04 12:17:55 +02:00
Bananymous d1e187570e Kernel: Fix old keyboard command 2024-01-04 12:08:23 +02:00
Bananymous d4191c0d94 Kernel: Reorganize PS/2 files to their own directory 2024-01-04 12:04:45 +02:00
Bananymous c2957d8761 Kernel: PS/2 device automatically sends commands when appended 2024-01-04 12:04:45 +02:00
Bananymous 891ced4da2 Kernel: Move PS2Device to its own file 2024-01-04 12:04:45 +02:00
Bananymous 8f8d6bddc0 Kernel: Unify PS2Device to handle commands instead of inherited 2024-01-04 12:04:45 +02:00
Bananymous d2d12d5281 Kernel: validate_{string,pointer}_access now return ErrorOr<void> 
Now that signals are only processed when returning to userspace,
address validation has to do an early return.
 2024-01-03 23:53:04 +02:00
Bananymous 0ba278041b Kernel: Start exec by loading the ELF file. It might not exist... 2024-01-03 23:50:02 +02:00
Bananymous ccaa159a73 Bootloader: Add support for ext2 blocks up to 4 KiB 
This should work with blocks bigger than that, but my linux system
only supports up to 4 KiB, so I cannot test this.

This allows getting rid of forced block size in mkfs and let the
program select appropriately sized blocks.
 2024-01-03 18:26:03 +02:00
Bananymous 7356a83a44 Bootloader: Optimize some unnecessary branches on carry add/sub 2024-01-03 17:05:33 +02:00
Bananymous 2a68df81e2 Bootloader: Fix bootloader on bochs 
Bochs int 0x10 seems to scrap full ebp and top bits in some
registers. I now save all 32-bit registers on call frame. Also
ebp is across all int 0x10 calls.
 2024-01-03 13:09:55 +02:00
Bananymous 50ca2ac09e Bootloader: Interpret 0x7F (DEL) as backspace 
This allows backspace to work over qemu's serial connection
 2024-01-03 11:58:50 +02:00
Bananymous b0ff2392a1 Kernel: Add some helpful debug prints 
Log RIP when stack pointer is out of bounds.

Log all syscalls that return ENOTSUP
 2024-01-03 02:08:01 +02:00
Bananymous 001e95f973 Kernel: Optimize sse saving/loading 
Only save and load sse when new thread is trying to execute sse
instruction. There is no need to do that every time we enter kernel.
 2024-01-03 02:06:49 +02:00
Bananymous db0650cf10 LibC: Implement basic atexit. This allows clean exit from doom (soon) 2024-01-03 00:30:37 +02:00
Bananymous 753de3d9f0 ls: Write group name instead of gid in list mode 2024-01-03 00:15:13 +02:00
Bananymous 668c4c8976 LibC: Implement getgrnam and getgrgid 2024-01-03 00:14:49 +02:00
Bananymous d2bc399770 BAN: Make StringView::split const and fix bug with empties 2024-01-03 00:14:29 +02:00
Bananymous 1bd33e76e5 cat/cat-mmap: print newline if file doesn't end in one 2024-01-02 23:27:13 +02:00
Bananymous 9fa13079f2 Kernel: Implement supplementary groups 
This code has very ugly file parsing code. I have to create API
for reading files line by line in kernel space...

This allows users to open framebuffer/input files without root.

Mounting has to be moved to userspace soon. It makes no sense to
hard code permissions for every (device) file.
 2024-01-02 23:24:32 +02:00
Bananymous 96d831c31a Kernel/LibC/Userspace: Implement chown and set tty owner on login 2024-01-02 22:19:38 +02:00
Bananymous 07d5d3f936 BAN: Simple iterator now contains valid flag 
This allows iteration over empty containers
 2023-12-29 14:49:57 +02:00
Bananymous 51820b15cb README: Add packages required by compilation in pacman 2023-12-29 03:11:30 +02:00
Bananymous 9fafafb17e BuildSystem: Add instructions + fixes to build system 
You can now easily build with clean ubuntu install
 2023-12-28 21:37:18 +02:00
Bananymous 7c6565880d BuildSystem: Use git apply instead of am 
This allows you to not have configured git user
 2023-12-28 20:16:36 +02:00
Bananymous 93a72ebd06 BuildSystem: Download cmake only if needed 2023-12-28 19:50:22 +02:00
Bananymous 4307968182 All: Start work again on sse support 2023-12-28 19:14:42 +02:00
Bananymous 5d83ab2289 BuildSystem: Download correct cmake if it is not available 2023-12-28 19:13:27 +02:00
Bananymous af80bad87a BuildSystem: Allow running custom version of cmake 
You can now set the environment variable CMAKE_COMMAND to use custom
cmake version.
 2023-12-27 13:01:11 +02:00
Bananymous 87272f0cd7 BuildSystem: Create build directory if it doesn't exists 2023-12-27 12:36:40 +02:00
Bananymous 8b5e437936 AOC2023: Implement day25 part1 
7 starts missing + partly broken day22. I might finish these soon...
 2023-12-26 20:04:42 +02:00
Bananymous 3939da4fb0 BuildSystem: Increase image size 50MiB -> 500 MiB 2023-12-26 15:01:12 +02:00
Bananymous d87fa1a7ea AOC2023: Implement day24 part1 2023-12-26 14:10:49 +02:00
Bananymous 910a57089b AOC2023: Implement day23 part1 
My day22 implementation is off by couple of bricks...
 2023-12-26 00:56:35 +02:00
Bananymous 861bf27e96 BAN: Implement abs() 2023-12-26 00:54:06 +02:00
Bananymous 36590fb5c7 AOC2023: Implement day21 part1 2023-12-24 14:58:21 +02:00
Bananymous ce990c3026 AOC2023: Implement day20 part1 2023-12-24 13:39:26 +02:00
Bananymous b833239a82 BAN: Make hashmap work with non-copy constructable values 2023-12-24 13:38:47 +02:00
Bananymous 6fec142760 BAN: Add requires clauses for vector 2023-12-24 13:38:20 +02:00
Bananymous 84b2438b3d BAN: Add requires for copy constructor for linked list 2023-12-24 13:37:49 +02:00
Bananymous 0e714d5eb4 BAN: Implement String::operator==(const String&) 2023-12-24 13:36:46 +02:00
Bananymous 9b8e6e6629 BAN: Implement is_*constructable 2023-12-24 13:36:12 +02:00
Bananymous 4146f2777b AOC2023: Implement 10 hour solution to day19 part2 2023-12-23 20:53:50 +02:00
Bananymous 64323c51e6 AOC2023: Implement day19 part 1 2023-12-23 18:47:44 +02:00
Bananymous a0200a7b10 AOC2023: Implement day18 part 1 2023-12-23 18:47:21 +02:00
Bananymous 8add759b5d AOC2023: Implement day17 part1 2023-12-23 18:46:43 +02:00
Bananymous 2faf90bc2b AOC2023: Add script to create day template and download input 2023-12-23 18:46:14 +02:00