Bananymous
d59463d11b
Kernel: Fix TTY reading one keyevent after disabling input handling
2024-09-22 17:13:10 +03:00
Bananymous
23d6205659
Kernel: Move DEBUG_* macros to centralized Debug.h
...
This makes toggling debug info much easier
2024-09-20 11:00:07 +03:00
Bananymous
bc0acc6f44
Kernel: Validate network packet sizes before casting
...
This caused a lot of crashes on invalid packets :D
2024-09-20 10:46:59 +03:00
Bananymous
b8622f2b4b
Kernel: Implement simple RTL8169 driver
...
This allows me to use internet when running banan-os on my hardware!
2024-09-19 22:58:03 +03:00
Bananymous
7f0c39fe91
Kernel: Don't crash the kernel if packet is smaller than ethernet hdr
2024-09-19 22:51:55 +03:00
Bananymous
a489be0e05
Kernel: Allow parallel LAPIC timer initialization with HPET
...
HPET supports reading LAPIC counter without locks, so it can be done in
parallel. This makes booting much faster. Previously initializing every
timer took 100 ms, so 16 CPUs took total of 1.6 seconds. This allows
doing it all in 100 ms.
2024-09-19 14:41:59 +03:00
Bananymous
8e08046519
Kernel: Add asserts about having locked TTY's write lock
...
This for some reason fixes booting on real hardware? :D
2024-09-18 00:56:48 +03:00
Bananymous
999eb53364
Kernel: Release debug lock if its locked during kernel panic
...
Also kernel panic now prints if it had lock
2024-09-18 00:56:02 +03:00
Bananymous
0620ed3d4f
Kernel: Fix file open permissions for some syscalls
2024-09-17 19:11:48 +03:00
Bananymous
b779b3cf2d
Kernel: Move file finding code to a helper
2024-09-17 18:52:52 +03:00
Bananymous
e431e90b20
Kernel/LibC: Implement all chown family function with fchownat
2024-09-17 18:35:01 +03:00
Bananymous
4aa466b948
Kernel/LibC: Implement all chmod family functions using fchmodat
2024-09-17 17:19:26 +03:00
Bananymous
3666525d24
Kernel/LibC: Implement `readlink` in terms of `readlinkat`
2024-09-17 16:38:15 +03:00
Bananymous
f1a4bbce53
Kernel/LibC: Implement all stat family functions with fstatat
...
This patch gets rid of 2 unnecessary syscalls!
2024-09-17 16:38:01 +03:00
Bananymous
708a720d9d
Kernel: Remove SYS_OPEN
...
This can be done with SYS_OPENAT with fd set to AT_FDCWD
2024-09-17 16:16:47 +03:00
Bananymous
5e4aa75e03
Kernel: Perform access checks when creating a file or a directory
...
Also SYS_CREATE_DIR now uses correct relative path. It used to always
create files relative to root. And as no permission checks were tested,
file creation succeeded to root as long as path did not contain '/' :D
2024-09-17 15:57:07 +03:00
Bananymous
d88ee5c9ee
Kernel/LibC: Implement `creat` with `open`
...
This allows getting rid of unnecessary SYS_CREATE. Directory creation
still has its own syscall, but I could combine it with SYS_OPEN also.
2024-09-17 15:55:53 +03:00
Bananymous
d4ea720239
Kernel: Don't crash the kernel if ext2 encounters disk error
...
This will most likely result in a corrupted filesystem, but crashing the
kernel is too much :D
2024-09-17 15:54:33 +03:00
Bananymous
97ee370ffe
Kernel: Allow listing files even if one of directories blocks are empty
2024-09-17 15:53:14 +03:00
Bananymous
a084f83f4c
Kernel: Rework kernel-side ELF loading
...
ELFs are now loaded as MemoryRegions so they don't need special handling
anywhere. This also allows file backed COW optimizations to work. This
was not the case before.
This patch removes now obsolete LoadableELF and unused ELF files from
LibElf.
2024-09-15 23:57:34 +03:00
Bananymous
54732edff4
Kernel: Fix bugs in memory regions
...
MemoryRegion::initialize() required size to be page aligned, this is not
necessary.
MemoryBackedRegion::copy_data_to_region() required user-write
permissions for underlying data. This did not matter as memory backed
regions dont support COW memory, but it could lead to bugs later on.
2024-09-15 23:18:05 +03:00
Bananymous
7feb4c4ebd
Kernel: VFS::file_from_absolute_path now used root_file() API
2024-09-15 02:38:25 +03:00
Bananymous
2911d1f018
Kernel: Cleanup and fix pseudo terminals
2024-09-15 02:38:07 +03:00
Bananymous
d68ad893f0
Kernel/Shell: Add support for delete key
2024-09-14 22:45:48 +03:00
Bananymous
39667de662
Kernel: Fix sizeof check for sys_tc{set,get}attr
2024-09-14 21:17:03 +03:00
Bananymous
8956835d95
Kernel: Make sys_.*at use VFS relative path finding
2024-09-14 21:15:58 +03:00
Bananymous
ea4ec2eafc
Kernel: Make OpenFileDescrptor store VFS::File instead of inode+path
2024-09-14 20:10:21 +03:00
Bananymous
3a352078de
Kernel: Make VirtualFileSystem::File non copyable
2024-09-14 20:09:28 +03:00
Bananymous
6060b39548
Kernel: Implement relative file searching in VFS
2024-09-14 19:44:20 +03:00
Bananymous
2b52ea4c6f
Kernel: Make Inode::can_access const
2024-09-14 19:39:41 +03:00
Bananymous
b41738b47b
Kernel: Fix ACPI name formatting functions
2024-09-14 19:39:13 +03:00
Bananymous
57e76a65a4
Kernel: Null terminate ext2 directory entries
...
This fixes a weird bug with `ls /bin`
2024-09-12 23:55:34 +03:00
Bananymous
467ac6c365
Kernel/LibC: Implement SOCK_CLOEXEC and SOCK_NONBLOCK
...
This removes the need for fcntl after creating a socket :)
2024-09-11 21:59:11 +03:00
Bananymous
c77ad5fb34
Kernel: Implement copy-on-write memory for file backed `mmap`s
2024-09-11 19:33:50 +03:00
Bananymous
64a3893f6f
Kernel: Add command line option to disable AML parsing
...
This can be handy if my broken AML parser crashes or hangs while parsing
AML :D
2024-09-10 16:20:24 +03:00
Bananymous
eabe759ebf
Kernel: Don't require APs that are not started to start :D
2024-09-10 16:19:43 +03:00
Bananymous
a4838386e6
Kernel: Remove unnecessary branch from uncanonicalizing addresses
2024-09-10 16:19:16 +03:00
Bananymous
c65613901f
Kernel: Fix AML aliases and package elements
2024-09-10 16:18:42 +03:00
Bananymous
de35cec2e1
Kernel: Allow private file mappings past file end
...
This is just to make memory mapping ELF files easier :D
2024-09-05 14:48:42 +03:00
Bananymous
2f241e1b61
Kernel: Implement FileBackedRegion::clone
2024-09-05 13:59:09 +03:00
Bananymous
f30947336a
BuildSystem: Cleanup cmake files
2024-09-05 12:52:25 +03:00
Bananymous
1138ec77ca
Kernel: Fix MemoryBackedRegion cloning for non page aligned size
2024-09-04 21:14:26 +03:00
Bananymous
ddf1babfe1
Kernel: Cleanup constructor calls
2024-08-31 02:23:08 +03:00
Bananymous
ef5af384e7
Kernel: Print userspace invalid pointer access address
2024-08-30 15:34:37 +03:00
Bananymous
a134d16070
Kernel: Fix MemoryRegion test for contains_fully
2024-08-30 15:33:58 +03:00
Bananymous
827eec6af0
Kernel: Make .rodata read-only and add -orphan-handling=error
...
I don't really know why .rodata was marked writable :D
2024-08-30 15:33:02 +03:00
Bananymous
8da2f12ba6
Kernel: Only load program headers of interpreter if its present
...
I was loading program headers of both executable and interpreter but
that is incorrect. The interpreter will itself load the program headers
of the executable.
2024-08-28 21:19:37 +03:00
Bananymous
2bf65ef512
Kernel: Invoke ELF interpreter instead if it is specified
2024-08-28 17:06:32 +03:00
Bananymous
d20752c318
Kernel: Make OpenFileDescritorSet::open take rvalue
...
This gets rid of some implicit allocations from copy constructors
2024-08-28 16:36:10 +03:00
Bananymous
5f66ef34dd
Kernel: map userspace arguments after the entry point
...
This allows cleaner memory layout for processes that are not loaded to
default location
2024-08-27 22:46:08 +03:00
Bananymous
da0b4cd40e
Kernel: Allow MAP_FIXED in mmap
2024-08-27 22:45:49 +03:00
Bananymous
2c520391eb
Kernel/LibC: Add support for init_array and fini_array
2024-08-27 00:47:03 +03:00
Bananymous
7c4b9218f2
Kernel: VirtualTTY now resets ansi state before printing anything
2024-08-25 17:56:06 +03:00
Bananymous
72f8138ca1
Kernel: Disable scheduler load balancing until I get it fixed
...
Scheduler keeps crashing all the time when running on multiple cores.
This patch disabled the load balancer, which seems to get rid of most
scheduler crashes.
2024-08-25 15:37:17 +03:00
Bananymous
991ae4383a
Kernel/LibC: Implement fchmod
2024-08-25 15:07:42 +03:00
Bananymous
2ce7205c80
Kernel: Add command line option to disable debug printing
...
The whole system can crash when debug output and tty output are done at
the same time. This patch is just a hack to prevent the crash :D
2024-08-25 15:02:15 +03:00
Bananymous
fb35f06cf5
Kernel: Add better support for bootloaders loading the kernel
...
Before I assumed that bootloaders loaded the kernel at physical address
0, but this patch kinda allows loading to different addresses. This
still doesn't fully work as kernel bootstrap paging relies on kernel
being loaded at 0
2024-08-22 14:48:21 +03:00
Bananymous
abc788c756
Kernel: Improve output message when dumping all syscalls
2024-08-22 14:48:21 +03:00
Bananymous
63b616dc2e
Kernel: Hack non-blocking support for sockets
...
This is not thread safe and can still block if two programs refering to
the same socket try to read data at the same time
2024-08-22 14:48:14 +03:00
Bananymous
cba12efeb1
Kernel: Ignore optional_actions in SYS_TCSETATTR
...
Currently all terminals are syncronous, so the actions don't do anything
2024-08-22 14:47:54 +03:00
Bananymous
37cd4ed504
Kernel: Add support for CSI @, b, d to VirtualTerminal
2024-08-22 14:04:45 +03:00
Bananymous
869bba4dad
Kernel: Add check for panic in timer interrupt handler
...
Previously processors would not get notified about kernel panic if they
were idling
2024-08-22 14:03:03 +03:00
Bananymous
23194d1f53
Kernel: Implement basic random device to /dev/random
2024-08-22 14:02:26 +03:00
Bananymous
969563c06a
Kernel: Don't load AP init code to 0xF000, but relocate it later
...
This cleans up the kernel executable as bootloaders don't have to
load AP init code straight to 0xF000, but it will be moved there once
kernel is doing the AP initialization.
2024-08-21 13:37:50 +03:00
Bananymous
066e8e1cc2
Kernel: Remove unnecessary debug logging from VFS initialization
2024-08-18 20:51:10 +03:00
Bananymous
5cd7b40165
Kernel: Make BananBootloader info struct header compatible with C
2024-08-18 20:51:10 +03:00
Bananymous
c7b134ba4b
Kernel: Fix NVMe controller namespace numbering
...
namespace numbers were incrementing globally instead of per controller.
This led to two single namespace controllers creating nvme0n1 and
nvme1n2
2024-08-18 20:51:10 +03:00
Bananymous
ff62c262fe
Kernel: Fix PS/2 scancode set 2 keycodes for the bottom row keys
2024-08-18 20:51:10 +03:00
Bananymous
42e2c15e0c
Kernel: Add ps2=<scancode set> command line argument
...
This allows forcing specific scancode set on broken PS/2 emulations
2024-08-18 20:51:10 +03:00
Bananymous
40c6989374
Kernel: Implement AML ObjectTypeOp
2024-08-18 20:51:10 +03:00
Bananymous
71dc373610
Kernel: "Fix" AML _OSI string to return true for windows strings
...
This is the way its supposed to be done as other code paths are
untested...
2024-08-18 20:51:10 +03:00
Bananymous
0fa16cf982
Kernel: Fix and add some AML to_underlying functions
2024-08-18 20:44:51 +03:00
Bananymous
8902032b42
BuildSystem: Cleanup kernel cmake file
2024-08-18 20:44:12 +03:00
Bananymous
368f5e9799
Kernel: Add command lineoption `nousb` that will disable usb controller
2024-08-16 22:09:24 +03:00
Bananymous
b1fe24bb57
Kernel: Hack AML integers to work better
...
Something is trying to store into a constant integers. Just by copying
not returning any integers as constants fixes it xD
2024-08-16 13:04:52 +03:00
Bananymous
490a28ee7a
Kernel/AML: General cleanup and compliance improvements
2024-08-15 23:14:13 +03:00
Bananymous
75884ca6b8
Kernel/AML: Allow calling method through named objects
2024-08-15 23:13:32 +03:00
Bananymous
d729d7f570
Kernel: Implement AML storing to Buffer
2024-08-15 23:12:52 +03:00
Bananymous
6408bb2efa
Kernel: Add AML API for getting underlying value of nodes
2024-08-15 23:11:59 +03:00
Bananymous
d8dabab4fb
Kernel: Implement AML CopyObjectOp
2024-08-15 20:55:55 +03:00
Bananymous
4dc107f77a
Kernel: Fix AML Register/Reference accesses
2024-08-15 20:55:18 +03:00
Bananymous
eaf06d239c
Kernel: Cleanup and fix AML Method calls
2024-08-15 20:54:55 +03:00
Bananymous
d9b3a4bf77
Kernel: Add more conversions for AML Integer, Register, String
2024-08-15 20:51:04 +03:00
Bananymous
cf970d5914
Kernel: Add better conversion for AML Alias, Name and Reference
2024-08-15 20:48:35 +03:00
Bananymous
1cfe3dd4da
Kernel: Implement AML BreakOp and ContinueOp
2024-08-15 19:08:00 +03:00
Bananymous
51d1e47bfe
Kernel: Fix AML CreateFieldOp to take bit index instead of byte index
2024-08-15 19:05:58 +03:00
Bananymous
e0a447bfaf
Kernel: Add _GL to ACPI root namespace
2024-08-15 02:28:22 +03:00
Bananymous
3f5ee6f414
Kernel: Rewrite the AML conversion API
...
This doesn't currently make the interpreter any better, but it will make
further implementation easier to be spec (or hardware...) compliant
2024-08-15 02:25:45 +03:00
Bananymous
44d5c8c4b4
Kernel: Implement AML To{Buffer,Integer,String}Op
2024-08-14 20:28:32 +03:00
Bananymous
17b7e9e772
Kernel: Allow all named objects to fail cleanly if name exists
2024-08-14 20:28:00 +03:00
Bananymous
957df08932
Kernel: root command line option can be specified as an UUID
...
Format is the same as in linux
root=UUID=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
This makes it easier to boot when computer has multiple disks installed
2024-08-14 13:23:27 +03:00
Bananymous
bb40069773
Kernel: Add nice debug prints for device addition/removal
2024-08-14 13:23:27 +03:00
Bananymous
37d5b60f5c
Kernel: Implement AML {Event,Reset,Signal,Wait}Op
2024-08-14 11:59:34 +03:00
Bananymous
feadea0e91
Kernel: Fix AML unaligned integer reads and buffer shifts over 32
2024-08-13 23:44:17 +03:00
Bananymous
f71a29b6c4
Kernel: Implement AliasOp for AML interpreter
2024-08-13 22:42:37 +03:00
Bananymous
ec4cfdee23
Kernel: Fix and cleanup a lot of AML code
...
Node now have APIs to convert them to buffer, integer and string. This
allows possibility to handle methods that need explicitly use one of the
overloads instead of integer.
This patch also adds handling of DebugOp. This is used quite heavily in
uACPIs test suite.
2024-08-13 22:42:37 +03:00
Bananymous
dd79db6383
Kernel: AML implement CreateFieldOp
2024-08-13 18:52:48 +03:00
Bananymous
723e458bd7
Kernel/Terminal: Update terminal color themes and fix TTY bright/dark
2024-08-12 21:15:55 +03:00
Bananymous
39be57424c
Kernel: Fix SYS_SEEK with SEEK_END
...
I was subtracting the offset from file end when I should have added it.
2024-08-12 19:13:27 +03:00
Bananymous
f37e1c2229
Kernel: Map .rodata as read only instead of read-write
2024-08-12 14:28:52 +03:00