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banan-os
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1454 Commits

Author SHA1 Message Date
Bananymous fd18071975 Kernel: Implement TerminalDriver for Framebuffer device 
Use this new FramebufferTerminalDriver for terminal instead of the
old VesaTerminalDriver. Only drawback with this is that framebuffer
device can only be intialized after DevFS is initialized.
 2023-11-22 21:57:17 +02:00
Bananymous b88a7e0c6b Kernel: Add more APIs to FramebufferDevice 2023-11-22 21:56:27 +02:00
Bananymous cdf53f33f6 Kernel: Implement basic framebuffer device 
This allows exposing framebuffer to userspace
 2023-11-22 20:34:41 +02:00
Bananymous 25485069e6 Bootloader: Add cache to ext2 inode data block indices 
This reduces the number of read calls with current kernel size from
~1700 to ~700 (60% performance boots). Loading the kernel is now alot
faster.
 2023-11-22 13:54:53 +02:00
Bananymous f80bd040c8 Bootloader: add missing size directive 2023-11-21 19:11:48 +02:00
Bananymous bc5e8add19 Kernel: Make Ext2 filesystem use BlockDevice instead of Partition 2023-11-21 15:20:24 +02:00
Bananymous 7a8fd6d04a Kernel: TmpFS doesn't mark any functions as final 
I didn't think these would be overloaded, but they are
 2023-11-21 15:19:34 +02:00
Bananymous b749963b62 Kernel: Add common {read,write}_blocks() api to BlockDevice 2023-11-21 15:19:07 +02:00
Bananymous 6a068fb9f9 Kernel: Move Partition to its own file 2023-11-21 15:16:04 +02:00
Bananymous 19ed0cb9bf BAN: Add basic GUID data structure 2023-11-21 15:11:50 +02:00
Bananymous d08e876319 BuildSystem: Check value of BANAN_UEFI_BOOT with `if ((...)); then` 2023-11-21 11:53:50 +02:00
Bananymous f2a6f213dd BuildSystem: Add missing bootloader install script 2023-11-20 14:19:07 +02:00
Oskari Alaranta f7a5bfbccd Merge pull request 'BuildSystem: custom mount directory for bananos image to avoid conflicts' (#4) from Sinipelto/banan-os:main into main 
Reviewed-on: Bananymous/banan-os#4
 2023-11-20 14:16:58 +02:00
Sinipelto 6624821f55 BuildSystem: image sh 
mount in build dir

Signed-off-by: Sinipelto <sinipelto@noreply.bananymous.com>
 2023-11-20 14:12:35 +02:00
Sinipelto 328acd894f BuildSystem: image create sh 
use banan build dir

Signed-off-by: Sinipelto <sinipelto@noreply.bananymous.com>
 2023-11-20 14:11:29 +02:00
Sinipelto 01b17eaadc Update script/image.sh 
mount dir default value

Signed-off-by: Sinipelto <sinipelto@noreply.bananymous.com>
 2023-11-20 13:28:53 +02:00
Sinipelto fd16d6802c Update script/image-create.sh 
custom mount dir

Signed-off-by: Sinipelto <sinipelto@noreply.bananymous.com>
 2023-11-20 13:28:10 +02:00
Sinipelto fed2738805 Update script/image.sh 
handle custom mount dir

Signed-off-by: Sinipelto <sinipelto@noreply.bananymous.com>
 2023-11-20 13:24:15 +02:00
Sinipelto 9ad2ea8205 Merge pull request 'update main' (#1) from Bananymous/banan-os:main into main 
Reviewed-on: #1
 2023-11-20 13:20:51 +02:00
Bananymous f8f7e2208f BuildSystem: Remove old bootloader target 
And creating image now builds the bootloader
 2023-11-20 00:56:06 +02:00
Bananymous 8630f71f0c Toolchain: Build full toolchain with one call to toolchain/build.sh 2023-11-20 00:56:06 +02:00
Bananymous 9e44e8be75 Buildsystem: default bootloader is not my custom one 
You can set BANAN_BOOTLOADER=GRUB to use grub instead. Image creation
does not convert disk image now automatically between bootloaders and
calling ./bos image-full is now required.
 2023-11-18 17:18:03 +02:00
Bananymous cadb56d8ba Kernel: ProcFS inodes reflect processes ruid/rgid 
setgid/setuid did not change the permissions of procfs inodes. This
made Shell launched by init not appear in meminfo.
 2023-11-18 14:26:44 +02:00
Bananymous cd646a1ab7 Bootloader do some directory restructuring 2023-11-18 13:59:45 +02:00
Bananymous c9e9cfd361 Bootloader: Implement VESA video mode query and pass it to kernel 
Kernel now gets framebuffer from bootloader. Framebuffer dimensions
and bpp are hardcoded in bootloader, but will probably be read from
config file at some point.
 2023-11-17 22:45:35 +02:00
Bananymous ac96ea3370 Bootloader: Fix kernel memset to zero 2023-11-17 21:05:02 +02:00
Bananymous ef53aab24a Bootloader add temporary initial command line 
This will probably be read from some config file at some point
 2023-11-17 20:38:38 +02:00
Bananymous cb5a5d3ed1 Kernel/Bootloader: banan-os can now be booted with my bootloader :D 2023-11-17 20:33:02 +02:00
Bananymous d1444761a3 Bootloader: Clear screen, better memcpy 
Clear screen before jumping to kernel. Memcpy now uses ebx as offset
register, so only one register has to updated every loop
 2023-11-17 20:31:42 +02:00
Bananymous 95af728e39 Kernel: Don't calculate divisor in a for loop in ext2 inodes 2023-11-17 19:02:01 +02:00
Bananymous 24d87acec4 Kernel: Serial now uses random size for some serial ports 
If the serial port doesn't repond with a size, just use a random
one. There is no reason to ditch the whole output if you cannot
determine its size.
 2023-11-17 18:56:02 +02:00
Bananymous 84040e64b8 Kernel: Don't use multiboot2 explicitly. Parse it to common structure 
This allows support of multiple different bootloaders
 2023-11-17 18:54:59 +02:00
Bananymous 641a2dec00 Bootloader: Load kernel to memory and jump to it! 2023-11-17 16:36:29 +02:00
Bananymous 9e69053e64 Bootloader enter unreal mode at the start of stage2 2023-11-17 14:22:21 +02:00
Bananymous 1a415a380a Bootloader: Fix getting command line 2023-11-17 13:17:44 +02:00
Bananymous a19c5c672b Bootloader: implement reading from inode 2023-11-17 13:17:44 +02:00
Bananymous 3bcbc7c018 Bootloader: add support for indirect inode blocks 2023-11-16 13:34:21 +02:00
Bananymous b371abade5 Bootloader: Add helpers for printing n bit hexadecimal numbers 2023-11-16 13:30:01 +02:00
Bananymous 9d4101e0c5 Bootloader: Implement basic ext2 filesystem 
This can search for files in an ext2 filesystem. Only 12 blocks
are currently supported.

Now only ELF loading is missing for loading the actual kernel!
 2023-11-15 16:58:26 +02:00
Bananymous c791a1c200 Bootloader: Build with cmake instead of custom script 2023-11-14 03:44:47 +02:00
Bananymous bd3f2bb61c Bootloader: Split bootloader into multiple files 
This cleans up the code since bootloader is starting to near 1k lines
 2023-11-14 03:27:52 +02:00
Bananymous 7ca9a961b3 Bootloader move bootloader code from arch directory 
The os itself only supports x86 so this won't matter. x86_64 and i386
use the same bootloader assembly.
 2023-11-13 21:42:58 +02:00
Bananymous cbb9422ee0 Bootloader: installer now uses banan os elf headers intead of Linux's 2023-11-13 21:40:15 +02:00
Bananymous 2c2ee6636f fixup 2023-11-13 21:39:48 +02:00
Bananymous 3beebd721f LibELF: Remove 2 32 bit types that don't exist 2023-11-13 21:39:39 +02:00
Bananymous 048bbf874a Bootloader: Find root partition from GPT header 2023-11-13 18:55:48 +02:00
Bananymous d2970b5b8d Bootloader: installer now patches GPT GUID's 2023-11-13 18:53:55 +02:00
Bananymous 0004d3b435 Bootloader: Add API to create GUID from string 2023-11-13 18:52:41 +02:00
Bananymous d5aa08baa5 BuildSystem: add bootloader target 
Use this target to run banan-os with custom bootloader
 2023-11-12 01:50:30 +02:00
Bananymous 5362962d9a BuildSystem: add proper clean target 2023-11-12 01:14:42 +02:00