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banan-os
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829 Commits

Author SHA1 Message Date
Bananymous 336daa2cc5 Kernel: Add helper for checking whether segment is from userspace 2023-12-06 12:57:13 +02:00
Bananymous c140dd2a65 Kernel: Fix keyboard layout for underscore 2023-12-01 12:31:16 +02:00
Bananymous 9b841cb823 BuildSystem/Kernel: Enable -Wextra and -Werror in kernel 
Only needed to fix some unused variable bugs
 2023-12-01 01:22:53 +02:00
Bananymous c1cac43f28 BuildSystem: Don't build lai with -Wstack-usage 
Lai has two functions that trigger warnings on gcc. There isn't
really anything I can do about it, so just disable the warning
 2023-12-01 01:22:53 +02:00
Bananymous fdb6dc94ba Kernel: cast between inheritance with static_cast 
using reinterpret_cast is not a good idea. preferably we would use
dynamic_cast, but that is not possible since kernel is compiled with
-fno-rtti.
 2023-11-29 20:50:57 +02:00
Bananymous 327b330338 Kernel: Make internal framebuffer bpp constexpr defined in libc 2023-11-29 20:07:33 +02:00
Bananymous d7a3aca5d4 Kernel: Use the correct bpp when writing to framebuffer 2023-11-29 00:31:24 +02:00
Bananymous cc572af390 Kernel: Implement mmaping for framebuffer device 2023-11-28 23:51:56 +02:00
Bananymous 4275d2ce48 Kernel: Add framebuffer device to devfs 2023-11-28 23:51:28 +02:00
Bananymous 4a87d6052b Kernel: Add API for implementing mmappable devices 2023-11-28 23:50:49 +02:00
Bananymous d86ecf4f61 Kernel: Reading from negative offset in fb dev gives out info 2023-11-28 23:50:11 +02:00
Bananymous 09b7cb2f33 Kernel/LibC: Implement pread() 2023-11-28 23:47:30 +02:00
Bananymous 60e755210c Kernel/LibC: Implement very basic msync 2023-11-22 22:44:06 +02:00
Bananymous ab9954fe73 Kernel: Delete the now obsolete VesaTerminalDriver 2023-11-22 21:59:11 +02:00
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 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 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 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 cb5a5d3ed1 Kernel/Bootloader: banan-os can now be booted with my bootloader :D 2023-11-17 20:33:02 +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 c084ce8b01 Kernel/LibC: Implement readlink and readlinkat 2023-11-11 23:16:52 +02:00
Bananymous fda0dfec30 Kernel: Make TmpFS enforce max page count. 2023-11-07 16:13:21 +02:00
Bananymous d6ae1bcf36 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 5044810451 Kernel: Make DevFS use the new and better TmpFS instead of RamFS 2023-11-07 16:05:05 +02:00
Bananymous 147cd93ed3 Kernel: Add method to TmpFS for looping over all (cached) inodes 2023-11-07 16:04:34 +02:00
Bananymous 07b5920f3f Kernel: Lock TmpFS in all its methods 2023-11-07 16:03:52 +02:00
Bananymous 2bcf934389 Kernel: Implement symlinks to TmpFS 2023-11-07 15:59:50 +02:00
Bananymous 1405712f26 Kernel: Make PS/2 keyboard wait until interrupts are enabled 2023-11-07 15:58:50 +02:00
Bananymous 885ed218fa Kernel: Make unlinking from /proc always fail with EPERM 2023-11-07 02:40:27 +02:00
Bananymous b1f431d962 Kernel: /tmp is now TmpFS instead of RamFS 2023-11-07 02:36:22 +02:00
Bananymous 06e176e6b9 Kernel: Make ProcFS use the new TmpFS internally 2023-11-07 02:35:44 +02:00
Bananymous b7771e95ac Kernel: Implement TmpFS Inode unlinking and deletion 2023-11-06 21:49:12 +02:00
Bananymous 3e33fc156b Kernel: TmpFS directory inodes now iterate over only valid entries 2023-11-06 21:41:51 +02:00
Bananymous 438f01a856 Kernel: Fix TmpFS directory entry enumeration early return 2023-11-06 21:06:10 +02:00
Bananymous 5dd8189048 Kernel: Fix ext2 directory listing for big directories 2023-11-06 21:05:58 +02:00
Bananymous ff6b127c3a Kernel: Implement TmpFS directory listing 2023-11-06 21:05:58 +02:00
Bananymous c3ed700324 Kernel: Implement TmpFS inode chmod 2023-11-06 20:11:34 +02:00
Bananymous ba2f09a4e6 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 c92c1b8e2b Kernel: TmpInode blocks are on demand allocated 2023-11-06 10:44:37 +02:00
Bananymous c27d20abd8 Kernel: Implement read/write/truncate for TmpFileInode 2023-11-05 02:28:43 +02:00
Bananymous 99d7b0917d Kernel: Start work on proper TmpFS in Heap instead of kmalloc memory 2023-11-04 18:18:45 +02:00
Bananymous 8b4e129fc1 Kernel: Add better APIs for fast page 2023-11-04 18:13:16 +02:00
Bananymous f6c312a6b3 BuildSystem: using sysroot doesn't need root privileges anymore! 
Sysroot is now created with fakeroot. This allows root access to be
only needed for disk image creation, since it uses loopback devices.
 2023-11-04 17:50:43 +02:00