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1707 Commits

Author SHA1 Message Date
Bananymous 350ae90bb6 Kernel: Make all futexes shared 
Some stuff tries to use shared futexes so make them all shared. Private
futexes would be faster as they are process specific but supporting both
would need some reworks
 2025-08-21 02:56:17 +03:00
Bananymous 0dfe0b7023 Kernel/LibC: Implement sigaltstack 2025-08-21 02:52:49 +03:00
Bananymous def236b7cd Kernel/LibC: Implement sigwait 2025-08-20 20:16:19 +03:00
Bananymous 247743ef9c Kernel/LibC: Implement sigsuspend 2025-08-20 20:14:54 +03:00
Bananymous 49122cf729 Kernel: Allow adding signals to thread that are blocked 2025-08-20 18:35:18 +03:00
Bananymous 34bdcb12e5 Kernel: Fix termios and enter key handling 
Enter key now produces expected \r which gets converted to \n by default
by the ICRNL input flag.

Also input flags are now handled always, not just when ICANON is set.
I don't know why I though ICANON should disable input handling
 2025-08-19 16:23:30 +03:00
Bananymous 6560f229b1 Kernel: Fix PS/2 scancode set 3 numpad keys 2025-08-19 16:23:30 +03:00
Bananymous 32d7f429f8 Kernel: Fix default ignored signals 
SIGWINCH and SIGCANCEL ended up interrupting functions even when they
were marked as SIG_DFL. Now resizing the userspace terminal emulator
does not get interrupted!
 2025-08-19 16:23:30 +03:00
Bananymous 8b7790ded2 Kernel: Fix userspace pointer checks 
Some syscalls were unconditionally validating optional paramenters which
were allowed to be null pointers
 2025-08-19 16:23:30 +03:00
Bananymous 3e97a82af0 Kernel: Allow getgroups with size 
This can be used to query the number of groups
 2025-08-19 16:23:30 +03:00
Bananymous 0066b20413 Kernel: Fix spinlock leaks with unix sockets 2025-08-19 16:23:30 +03:00
Bananymous 9d6656451a LibC: Make time_t signed integer 
Some port like python3 assumes this is the case
 2025-08-19 16:23:30 +03:00
Bananymous 32f980e259 Kernel: Fix ACPI namespace lookup for multi segment names 2025-08-19 16:23:30 +03:00
Bananymous 0bece8a54c Kernel: Add missing ACPI resource header 2025-08-19 16:23:30 +03:00
Bananymous b6793cc6f2 Kernel: Add AML ConcatResOp 2025-08-15 18:54:17 +03:00
Bananymous 809d07546a Kernel: Remove minimum timeout of 100 ms from epoll 
This is not actually needed and was just temporary code to make sure i
notified the epoll everywhere
 2025-08-15 18:28:11 +03:00
Bananymous 804cbeb1a7 Kernel: Increment kmalloc storage size to 64 MiB 
I really don't want to do this, but rewriting kmalloc to be dynamic
would require me to rewrite 32 bit paging and I really don't want to.
 2025-08-15 17:02:15 +03:00
Bananymous c07188a60e Kernel: Look for PS/2 devices in the ACPI namespace 
This allows finding the PS/2 controller on newer machines that don't
have the 8042 bit set in FADT.
 2025-08-15 17:02:15 +03:00
Bananymous 3804d4332b Kernel: Make _SEG, _BBN and _ADR lookup absolute 2025-08-15 17:02:15 +03:00
Bananymous 064aaef6c3 Kernel: Don't fail on creating reserved opregion 2025-08-15 17:02:15 +03:00
Bananymous ce262a5d2d Kernel: Allow ReturnOp in global scope 2025-08-15 17:02:15 +03:00
Bananymous d128f4d70b Kernel: Fix AML CreateField debug print 2025-08-15 17:02:15 +03:00
Bananymous 46d1ada708 Kernel: Allow AML package->package conversion 2025-08-15 17:02:15 +03:00
Bananymous 2819e5f647 Kernel: Make _STA and _INI lookup absolute 2025-08-15 17:02:15 +03:00
Bananymous c2017a5181 Kernel: Allow looking up devices with multiple eisa ids 
Also match against _CIDs in addition to _HID
 2025-08-15 17:02:15 +03:00
Bananymous 58ad839136 Kernel: Add support for ACPI Embedded Controllers 2025-08-15 17:02:15 +03:00
Bananymous 8ed5a71c45 Kernel: Register IDT handlers from a vector 
This drops code size by a lot :D
 2025-08-13 18:27:46 +03:00
Bananymous ef6ee78fd1 Kernel/LibC: Implement chroot 2025-08-11 14:07:37 +03:00
Bananymous 695262624d Kernel: Fix potential UB in AML OpRegion initialization 2025-08-11 03:45:38 +03:00
Bananymous af0bca74e4 Kernel/LibC: Implement {get,set,init}groups 
This allows dropping /etc/group parsing from the kernel :D
 2025-08-10 19:57:31 +03:00
Bananymous f41e254e35 Kernel: Fix dead lock on process exit 2025-08-10 19:57:31 +03:00
Bananymous 7e472a9c1d Kernel: Fix USB FS device default max packet size 
Apparently this is a common non spec compliant issue on many
controllers/devices.

thanks @sasdallas
 2025-08-10 19:57:31 +03:00
Bananymous 5b587d199e Kernel/LibC: Implement FIONREAD for tcp and udp sockets 2025-08-10 19:57:31 +03:00
Bananymous 3aa20a3a32 Kernel: Fix ACPI _GPE calling 
This adds patch adds support for extended GPEs and the second GPE
register block.
 2025-08-07 19:35:13 +03:00
Bananymous de7c3d3d29 Kernel: Don't try to create . in USTAR 
Our build system adds . entry to the tar archive and it should be
handled as an no-op
 2025-08-07 19:35:13 +03:00
Bananymous 3f89df338e IDT: Remove stack OOB check 
This makes debugging easier when you can see the actual register values
and what is mapped and where
 2025-08-07 19:35:13 +03:00
Bananymous 7ad3f967db Kernel: Don't stop audio processing after each entry in AC97 2025-08-07 16:43:05 +03:00
Bananymous d1c814cf9d Kernel: Optimize consecutive absolute mouse move events 
This is a hack to make window server usable without kvm :D
 2025-08-07 16:43:05 +03:00
Bananymous 72f85dce2b Kernel: Make userspace stack on-demand allocated 
Also bump the hardlimit of stack size from 512 KiB->32 MiB. This still
feels quite low but is much better than before :D
 2025-08-07 16:43:05 +03:00
Bananymous f5bbcc017c Kernel: Only send one smp message when reserving a range 
This was causing some kernel panic because processors ran out of smp
message storage when reserving large areas.

Also most of the time there is no need to actually send the SMP message.
If process is mapping something to just its own address space, there is
no need for a TLB shootdown. Maybe this should be only limited to kernel
memory and threads across the same process. I'm not sure what the best
approach here and it is better to send too many invalidations that too
few!
 2025-08-07 16:43:05 +03:00
Bananymous 647fedfa19 Kernel: Add missing multiboot.h 2025-08-05 17:12:26 +03:00
Bananymous f27823babe Kernel: Move stacks to the top of userspace address space 2025-08-05 03:09:24 +03:00
Bananymous 95cfac471a Kernel: Rename loopback adapter lo0 -> lo 2025-08-05 03:09:24 +03:00
Bananymous f7c1084c3e Kernel: Expose boot command line in /proc/cmdline 2025-08-05 03:09:24 +03:00
Bananymous cf96bb6cc3 Kernel: Add support for multiboot 
I don't know why I did it but it works now :D
 2025-08-05 03:09:24 +03:00
Bananymous f1369c8fd6 Kernel/LibC: Implement mprotect 
There may be some race conditions with this but i think this is good
enough to start with
 2025-08-05 03:09:24 +03:00
Bananymous dfdfb7cdaf Kernel: check all threads in validate_pointer_access 2025-08-05 03:09:24 +03:00
Bananymous 1cc0fb9c01 Kernel: Reschedule if idle after IPI 
This allows starting thread execution right after thread is received
from load balancing
 2025-08-05 03:09:24 +03:00
Bananymous a51b589bc9 Kernel: Allow any signal flags and support SA_RESETHAND 2025-08-05 03:09:24 +03:00
Bananymous 5940e912b3 Kernel/LibC: Implement simple futex 2025-08-05 03:09:24 +03:00