Bananymous
2cee2a85e6
Kernel: DevFS now stores all devices
...
This allows removing hack in PCI that was required to keep NVMe
controller alive.
2024-01-24 14:33:50 +02:00
Bananymous
5001fa58e0
Kernel: Fix wait syscall with atomics
2024-01-24 14:32:52 +02:00
Bananymous
d2cf7c7a5c
BAN: Implement basic Atomic class that wraps gcc builtins
2024-01-24 14:30:04 +02:00
Bananymous
e544e6a62d
LibC: Implement floating point parsing to *scanf functions
2024-01-24 11:54:12 +02:00
Bananymous
606a7cb313
LibC: Implement almost POSIX compliant *scanf functions
...
Only wchar strings and floating point values are not parsed
2024-01-24 10:33:12 +02:00
Bananymous
de4fdcd898
BAN: Implement is_base_of and integral_constant to Traits
2024-01-22 16:59:14 +02:00
Bananymous
2c471a89d0
LibC: Add compile option to libc to stop optimizing string.h
2024-01-17 19:44:29 +01:00
Bananymous
a5660b95b2
BAN: String don't memcpy with nullptr
2024-01-17 19:04:40 +01:00
Bananymous
54a92293da
Kernel: Implement NVMe driver
...
I'm actually able to boot this os fine on own laptop now!
2024-01-17 08:26:58 +01:00
Bananymous
812e9efd41
Kernel: StorageDevices now specify prefix for partition names
2024-01-14 01:16:48 +02:00
Bananymous
c6130f33d7
Kernel: Implement MSI, MSI-X and interrupt reservation
2024-01-13 18:21:21 +02:00
Bananymous
56a29dc176
Kernel: Fix PS/2 Controller if port 0 is empty
2024-01-13 17:05:29 +02:00
Bananymous
7e36a0be75
Bootloader: Add .data section
2024-01-12 19:27:36 +02:00
Bananymous
7adc7e55a5
Kernel: Fix timeouts in AHCI code and add more volatile keywords
2024-01-12 19:26:20 +02:00
Bananymous
4be726b130
Kernel: Implement more error handling in IDE controller
2024-01-12 02:55:06 +02:00
Bananymous
ff2486f58c
Bootloader: Try to enable A20 line if it is disabled
...
VirtualBox seems to have A20 disabled by default
2024-01-12 02:55:06 +02:00
Bananymous
db933d5466
Kernel: Improve keymap file loading
...
Now you can include other files in keymaps and set which keys are
modifier keys
Only keys that are set in keymap file are actually updated
2024-01-12 02:55:06 +02:00
Bananymous
8e31ab2de8
BuildSystem: clean target now deletes disk image
2024-01-11 13:27:02 +02:00
Bananymous
83ca469ed7
Kernel: Modifier keys are taken from current keyboard layout
...
I used to assume where all modifiers were, but they are now taken
from keyboard layout.
2024-01-11 11:53:11 +02:00
Bananymous
d2c0718f7d
Kernel: Fix toggleable modifier keys and add two more keys
2024-01-11 11:43:05 +02:00
Bananymous
c1f0704fa8
fi keymap: Fix arrow key keycodes
2024-01-10 14:59:50 +02:00
Bananymous
64a63fa4be
Userspace: Add loadkeys program to change keymap
2024-01-10 14:57:50 +02:00
Bananymous
ab39c6541a
Kernel: Require keymap loading superuser privileges
2024-01-10 14:50:30 +02:00
Bananymous
51214ea1bf
Kernel: Add load_keymap syscall and load Finnish keymap in init
2024-01-10 14:46:29 +02:00
Bananymous
8f89519bcf
Kernel: Keymaps can now be loaded from files
2024-01-10 14:43:19 +02:00
Bananymous
e6d42e5c45
Kernel: Add timeout for device commands on PS/2 devices
2024-01-10 12:51:24 +02:00
Bananymous
961ab9768a
Kernel: KeyEvent is now well known keycode
...
Keycodes are easier to handle as you need only one keyboard layout
for keycodes. Otherwise you would need to implement keyboard layout
for every keyboard driver in every language.
2024-01-10 12:51:24 +02:00
Bananymous
e4f48cbc73
Kernel: Move PS/2 command queue to controller instead of device
2024-01-09 20:00:19 +02:00
Bananymous
e8f853a197
Kernel: After device updates, reschedule instead of sleeping
2024-01-09 11:21:00 +02:00
Bananymous
d760239748
Kernel: Do a big rewrite of PS/2 code
...
Command sending+response reading is now synchronized. This allows
bochs to properly initialize both mouse and keyboard simultaneously.
Also status register is checked EVERY time read/write to other IO
ports is performed.
2024-01-08 10:50:55 +02:00
Bananymous
2fec718590
Bootloader: cleanup code
2024-01-08 10:50:55 +02:00
Bananymous
f0cf54e194
Kernel: Reads from PS/2 keyboard and mouse can be terminated
2024-01-05 12:13:44 +02:00
Bananymous
41ae05dd6e
Kernel: Update block_or_eintr API to return ErrorOr<>
2024-01-05 12:13:11 +02:00
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