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193 Commits

Author SHA1 Message Date
Bananymous d6623def32 Kernel: Paging uses now PAE with 2 MiB pages 2023-01-05 02:00:18 +02:00
Bananymous 9d9a6b2fec Kernel: VESA can now print 8x16 bitmaps 2022-12-30 20:47:25 +02:00
Bananymous f51ca4b642 Kernel: Rewrite IDT exception kernel panic message 2022-12-30 20:03:09 +02:00
Bananymous fc05642b74 Kernel: Make Render from buffer public tty function 2022-12-30 19:57:44 +02:00
Bananymous ef0b2010e0 Kernel: Add basic PS/2 Mouse driver 2022-12-30 19:38:21 +02:00
Bananymous 3c92aa45fb Kernel: 'cpuinfo' command in shell now shows wheter you are running on 64-bit cpu 2022-12-28 19:46:37 +02:00
Bananymous 267367333e Kernel: Move paging code to a helper 2022-12-28 19:01:01 +02:00
Bananymous 5d7a767f8b Kernel: Enable basic paging 2022-12-28 04:17:34 +02:00
Bananymous 3e8590687f Kernel: Cleanup code and move kmalloc initialization to later 2022-12-28 04:16:21 +02:00
Bananymous 9169020ad2 Kernel: Remove unnecessary checks from GraphicsPutCharAt() 2022-12-27 18:29:51 +02:00
Bananymous 620b836fc3 Kernel: VESA now somewhat handles Cursor in Graphics mode 2022-12-27 18:29:02 +02:00
Bananymous 2d46281c16 Kernel: TTY scroll is now done using memmove 
This will be faster when memory functions will be optimized
 2022-12-27 17:45:47 +02:00
Bananymous 5ae1fc58e9 Kernel: Clean code in tty and vesa 2022-12-27 17:22:45 +02:00
Bananymous 2535eb1c4c Kernel: TTY now handles keeping terminal buffer 
VESA Driver cannot scroll anymore, this is handled by tty
 2022-12-27 17:06:33 +02:00
Bananymous f7eb85babd Kernel: IDT exceptions print better errors now 2022-12-23 15:56:10 +02:00
Bananymous d8fd6afd12 Kernel: Make TTY a class 2022-12-23 15:55:45 +02:00
Bananymous 3f7a61a4d2 Kernel: VESA driver has now second buffer for fast scrolling 
This allows us to not read from video memory, since it was very slow

I also implemented fast path for graphics clearing and scrolling if bpp is 32
 2022-12-20 14:02:44 +02:00
Bananymous 5e2680cade Kernel: You can now disable APIC from the grub commandline 2022-12-20 11:57:09 +02:00
Bananymous c82caacbaa Kernel: Cleanup APIC code 
APIC seems to work on my main machine, but not on other one
 2022-12-20 04:45:46 +02:00
Bananymous 64a5a28ff0 Kernel: Add time since boot to Shell 2022-12-19 11:46:38 +02:00
Bananymous c8866aa88b Kernel: Move GDT and IDT assembly to inline assembly 2022-12-19 11:46:38 +02:00
Bananymous 0bdb01ee04 Kernel: Replace PIC with APIC 
If APIC/IOAPIC is not found, we fallback to PIC

Interrupts don't seem to work on real hardware (?)
 2022-12-19 11:46:25 +02:00
Bananymous f244728d33 Kernel: Add unicode support 2022-12-16 03:55:13 +02:00
Bananymous 6fe0d04f07 Kernel: Implement basic VESA Graphics mode driver 
We now support VESA Graphics mode with some bitmap fonts
 2022-12-16 00:47:03 +02:00
Bananymous 9274c9ee2f Kernel: Abstract TTY to use new VESA 2022-12-15 19:05:07 +02:00
Bananymous a2d38af37a Kernel: Implement 'cpuid' and enumerations for features 2022-12-15 17:28:54 +02:00
Bananymous f6def7a747 Kernel: initialize every irq handler to nullptr 2022-12-13 00:57:48 +02:00
Bananymous 5f75479861 Kernel: zero initialize VGA_MEMORY and fix colors 2022-12-13 00:56:30 +02:00
Bananymous e1a15a4989 Kernel: Add video mode request for bootloader 2022-12-10 03:55:24 +02:00
Bananymous 03e7812cae Kernel: Add basic ANSI support :) 2022-12-10 03:53:44 +02:00
Bananymous 3d3f12bd30 Kernel: Add new generic Printer class 
kprint is now just a #define to Printer::print<terminal_putc>.

This allows us to use same print formatting for serial output :)
 2022-12-10 00:57:09 +02:00
Bananymous 5ba7af2cf6 TTY: Treat tabs as spaces 2022-12-08 17:50:44 +02:00
Bananymous e998615253 Kernel: Move GDT and IDT files to architecture specific folder 2022-12-08 17:50:04 +02:00
Bananymous 998184e288 Kernel: TTY now handles '\b' 2022-12-07 04:35:02 +02:00
Bananymous 4202c999fa Kernel: IRQs are now working :) 2022-12-07 02:48:44 +02:00
Bananymous 123382eace Fixes :) 2022-11-15 21:42:14 +02:00
Bananymous 7c06c75d6c Move cursor in terminal when writing to it 2022-11-15 09:26:14 +02:00
Bananymous 3bc4d7d39b Rename .s extensions to .S 2022-11-15 09:25:18 +02:00
Bananymous d289916bc0 Changed back to lower half kernel, since im dump. 
I dont see the benefit of higher half (and could not get multiboot info)
 2022-11-15 00:38:33 +02:00
Bananymous b185ed4fd3 Libc is now written in C++ 2022-11-14 00:31:24 +02:00
Bananymous fd13f74bbf Changed into higher half kernel 
https://wiki.osdev.org/Higher_Half_x86_Bare_Bones
 2022-11-13 02:03:20 +02:00
Bananymous 61609db228 Kernel is now in C++ :) 2022-11-12 21:30:26 +02:00
Bananymous e6b4866ab0 Initial commit. We have a booting kernel 2022-11-12 21:04:47 +02:00