b41491e205
Kernel: Add cksum to Shell for file read testing
...
I also removed the 'using namespace BAN'
2023-03-18 03:50:24 +02:00
8236598f9d
Kernel: Optimize Ext2 disk reads
...
We used to read whole file until we reached the asked offset.
Now we can calculate the appropriate block and read just the asked data.
2023-03-18 03:47:59 +02:00
1a26a318a4
Kernel: Rework filesystem reading
...
We now read from a filesystem to user provided buffer.
Read sizes are determined by read call.
You should now get file descriptors and do reading through Process::current()
2023-03-17 21:18:41 +02:00
ceb53533be
LibC: add fcntl.h with some defines
2023-03-17 21:18:41 +02:00
e2707b9416
LibC: Add EBADF errno
2023-03-16 16:22:11 +02:00
4493c9bbe6
LibC: Add ENTOSUP errno
2023-03-16 16:03:51 +02:00
1f2ceeb329
Kernel: VFS caches currently open inodes
2023-03-16 15:31:33 +02:00
1292be71b2
BAN: Add FNV hash for strings
2023-03-16 15:11:22 +02:00
1b7625581d
Kernel: Add basic concept of Processes
...
We now create Shell as a process that has its own threads
2023-03-16 12:17:04 +02:00
c012822d49
BAN: Rename StringView suffix from _sv to sv
2023-03-16 12:15:16 +02:00
8b8e3cbbf0
Kernel/Userspace: Start initial work on userspace and syscalls
2023-03-13 15:32:46 +02:00
af854ec9e1
Kernel: Thread creation now takes void(*)() as entry and void* as data
...
This simplifies threading for the future and gets rid of (undefined?)
cast of member function pointer to address
2023-03-09 15:33:42 +02:00
8dbece9119
Kernel: kmalloc minimum align is forced to s_kmalloc_min_align
2023-03-09 14:37:25 +02:00
8940ff8002
Kernel: You don't have to check whether VFS is initialized or not
...
VFS now returns Error when attempting to traverse inodes if it did
not find root partition
2023-03-09 02:31:24 +02:00
fc58baf54d
Kernel: if VFS initialization does not find root, we fail
2023-03-09 02:17:42 +02:00
392da37f9a
BAN: Function storage is now aligned as CallableBase and not max_align_t
...
On 32 bit architecture the alignment of 16 bytes did not seem to work
on stack variables. UBSan detected whole lot of misaligned functions
from Ext2.cpp. This patch should make function alignment be big enough?
2023-03-09 01:42:17 +02:00
2e6e0d0ef5
Kernel: FIX ubsan complaining about unaligned addresses for STDHeaders
2023-03-08 22:55:44 +02:00
371dfe8ef3
BAN: Formatter now uses perfect forwarding on its arguments
2023-03-08 21:31:26 +02:00
3ac99f1bd8
BAN: Add more traits and cleanup code
2023-03-08 21:30:21 +02:00
7458f68c38
BAN: Error can now be constructed from c_string or format string
...
If the resulting string would overflow, we just truncate it to fit
the error message buffer (128) bytes
2023-03-08 17:05:37 +02:00
d90aba0963
Kernel: Create CriticalScope and fix kmalloc
...
This disables interrupts for the current scope and restores them
after the scope. This is used in kmalloc, since scheduler might
call into kmalloc/kfree, but deadlock if some thread is currently
trying to allocate. This allows us to use kmalloc in Scheduler.
2023-03-08 13:55:53 +02:00
a068d828fe
Kernel: ATA reads go through the ata controller and not only device
2023-03-08 03:26:25 +02:00
1dabe7a222
Kernel: More rework on Scheduler
2023-03-08 03:26:25 +02:00
e7a577f54a
Kernel: fix includes
2023-03-08 03:26:25 +02:00
23b3028e15
Kernel: Rename RefCounted -> RefPtr and implement RefCounted
2023-03-08 03:26:25 +02:00
f7ebda3bf1
Kernel: Move interrupt related functions to InterruptController
2023-03-08 03:16:51 +02:00
b5673278c4
Kernel: Disable color after Debug::dump_stack_trace
2023-03-08 02:41:44 +02:00
0b62729887
Kernel: Scheduler sleeping is working
...
We have to disable optimization for one function, but I'm working
on a fix
2023-03-08 02:41:44 +02:00
b8ee77eb78
Kernel: Initial work on new scheduler with queues
...
Sleeping is definately broken
2023-03-08 02:41:44 +02:00
a9acf1f6dc
Kernel: PCIDevice is now class with getters and constructor
2023-03-08 02:41:44 +02:00
b4ce438ca7
Build: install-usb now prints write size correctly in MiB
2023-03-08 02:41:44 +02:00
42c33ebfb3
Kernel: kmalloc aligns size to s_kmalloc_min_align
...
We don't get unaligned memory anymore from kmalloc
2023-03-08 02:41:44 +02:00
ed18d86f08
Kernel: Fix spinlock unlocking in x86_64
...
Spinlock unlock used a 64 bit write on 32 bit integer, overwriting
some random memory. This caused some really hard to find bugs
2023-03-08 02:41:44 +02:00
df8811fc1a
Kernel: Remove "a" from .section .text
2023-03-07 01:57:09 +02:00
8a52c0f9d7
Kernel: Cleanup RSDP parsing code
2023-03-07 00:41:13 +02:00
06db890d49
Kernel: Add ubsan
...
My brain has been melting since I'm getting very random bugs.
I hope I can debug them better with ubsan :)
2023-03-06 23:38:05 +02:00
e480f9c195
BAN: RefCounted<> frees count if object allocation fails
2023-03-06 13:17:04 +02:00
d5f302a68b
Kernel: kmalloc now uses two locks
...
One for fixed allocations and one for general allocations
2023-03-06 12:40:35 +02:00
e3a71289c0
BAN: fix LinkedList back/front functions
2023-03-06 01:46:52 +02:00
10ef3c6a54
LibC: add declarations for malloc and free
2023-03-04 02:59:48 +02:00
f1f5e76636
Kernel: kmalloc requires alignment to be power of two
2023-03-02 22:31:13 +02:00
81cb342c12
BAN: Remove #error macros
2023-03-02 22:30:32 +02:00
53ec66ff86
LibC: strerror now always uses a buffer to which it copies the string
2023-03-02 22:13:08 +02:00
1c146ba1a5
BAN: remove aligned alloc from ban
2023-03-02 22:12:42 +02:00
52aa98ba25
Kernel+LibC: Add some errno codes
...
Kernel now returns ENOMEM and other errnos, so we dont have to write
error messages
2023-03-02 21:10:44 +02:00
90a7268e5a
BAN: Rewrite RefCounted to return ErrorOr
2023-03-02 12:30:11 +02:00
1dd61e93b6
Kernel: Threads cannot take arguments anymore
2023-03-02 01:56:09 +02:00
4d8bdec16d
Kernel: fix i386 MMU
2023-03-02 00:47:29 +02:00
7fcbb869e1
Kernel: Initialize GDT in kernel code
...
We dont use the boot GDT only while booting
2023-03-01 21:21:56 +02:00
7f8cad83b1
Kernel: x86_64 boot script now makes GDT with null, kernel code and data
2023-03-01 21:21:56 +02:00
Bananymous