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Author SHA1 Message Date
Bananymous ad12bf3e1d LibC: Cleanup environment variable code 2026-04-13 00:36:13 +03:00
Bananymous 42964ad0b4 Kernel: Remove concept of OpenFile 
This was just RefPtr<OpenFileDescription> and descriptor flags.
Descriptor flags only define O_CLOEXEC, so we can just store fd's
cloexec status in a bitmap rather than separate fields. This cuts down
the size of OpenFileDescriptorSet to basically half!
 2026-04-12 04:42:08 +03:00
Bananymous 87979b1627 LibImage: Don't allocate zlib stream to a contiguous buffer 
We can now pass multiple buffers to the decoder!
 2026-04-11 19:48:46 +03:00
Bananymous fed9dbefdf LibDEFLATE: Allow decompression from multiple byte spans 
Before we required the compressed data to live in a single contiguous
chunch of memory.
 2026-04-11 19:47:44 +03:00
Bananymous 2984927be5 WindowServer: Block without timeout when there is no damaged regions 2026-04-11 08:41:21 +03:00
Bananymous 2e654b53fa WindowServer: Use rectangular framebuffer syncs 2026-04-11 08:30:15 +03:00
Bananymous ac6e6f3ec1 Kernel: Add ioctl to sync rectangular areas in framebuffer 
msync is not really the best API for framebuffer synchronization
 2026-04-11 08:29:10 +03:00
Bananymous 2b97587e9f WindowServer: Rewrite damaged region tracking 
Instead of immediately doing rerender of client data and syncing 60 Hz,
we now only keep track of the damaged regions and also do the rerender
step 60 Hz.
 2026-04-11 08:26:22 +03:00
Bananymous 4bde088b28 WindowServer: Store rectangles as min and max bounds 
This makes some math easier than x,y and w,h
 2026-04-11 06:35:45 +03:00
Bananymous 2a9dad2dd8 LibC: Add SSE2 non-temporal memset and memcpy 
Also cleanup other assembly by using local labels to emit them from the
assembled program.
 2026-04-11 03:30:52 +03:00
Bananymous d11160d2f7 Kernel: Fix si_addr reporting 
Meaning of this is signal specific and not the instruction pointer
 2026-04-11 03:30:52 +03:00
Bananymous 7333008f40 LibC: Use IP instead of si_addr for faulting instruction 
si_addr only means faulting instruction for SIGILL. For SIGSEGV it is
the faulting memory address.
 2026-04-11 03:30:52 +03:00
Bananymous cd7d309fd1 Kernel: Push missing IP and SP to mcontext in signal handler 
I was missing these two registers, messing up the whole siginfo_t
structure. This fixes libc's stack trace dump crashing :D
 2026-04-11 03:30:52 +03:00
Bananymous a4ba1da65a LibGUI/WindowServer: Rework packet serialization 
Instead of sending while serializing (what even was that), we serialize
the whole packet into a buffer which can be sent in one go. First of all
this reduces the number of sends by a lot. This also fixes WindowServer
ending up sending partial packets when client is not responsive.
Previously we would just try sending once, if any send failed the send
was aborted while partial packet was already transmitted. This lead to
packet stream being out of sync leading to the client killing itself.
Now we allow 64 KiB outgoing buffer per client. If this buffer ever fills
up, we will not send partial packets.
 2026-04-11 03:30:52 +03:00
Bananymous 2f9b8b6fc9 Kernel/LibC: Rework userspace syscall interface 
Kernel syscall API no longer zeros all unused argument registers and
libc now uses inlined syscall macro internally. This significantly
cleans up generated code for basic syscall wrapper functions.
 2026-04-11 03:30:52 +03:00
Bananymous 279ac6b2b6 BAN: Implement some macro utilities 
This contains stuff to count arguments, stringify, concatinate, for_each
 2026-04-11 03:30:52 +03:00
Bananymous 9084d9305c Kernel: Change preemption condition 
Instead of keeping track of the current time and rescheduling when
interval has passed, keep track of the next expected reschedule time.
This prevents theoretically missing every second pre-emption when
scheduler's timer is interrupting at same rate as the interval.
 2026-04-11 03:30:52 +03:00
Bananymous 80c4213501 LibC: Make errno macro directly access uthread 
This allows inlining errno usages

This breaks libc ABI and requires toolchain rebuild
 2026-04-11 03:30:32 +03:00
Bananymous e0af23a924 LibC: Move uthread definition to its own header 
Use `__asm__` instead of `asm` to allow compilation with --std=c99 and
before
 2026-04-11 03:30:32 +03:00
Bananymous 7e907b70f6 Kernel: Store memory region size as uint64_t 
On 32 bit target, we were storing 32 bit physical region sizes which
would truncate regions > 4 GiB
 2026-04-07 03:41:25 +03:00
Bananymous 7fb27b16e8 LibC: Fix pthread cancellation 
Install SIGCANCEL handler for all threads.

Remove unneeded atomic stores and loads. States are only changed within
the thread itself.

Define pthread_testcancel as a macro so it gets inlined inside
cancellation points
 2026-04-07 03:41:25 +03:00
Bananymous 3fb903d991 LibGUI: Optimize invalidate and set alpha channel 
If the window does not have an alpha channel, we now set every pixel's
alpha to 0xFF. This is needed by the WindowServer when it does alpha
blending, there used to be some weird stuff happening on overlapping
windows.

Also when we are invalidating a region with width of the whole window,
we can do a single memcpy instead of a memcpy for each row separately.
 2026-04-06 19:29:34 +03:00
Bananymous 2a4a688c2d WindowServer: Optimize rendering 
We now use SSE2 to do alpha blending on 4 pixels at a time where
possible and use memcpy instead of manual loops for non blended regions.
 2026-04-06 19:29:34 +03:00
Bananymous 1487c86262 Kernel: Resolve \\_S5 package elements on poweroff 2026-04-06 19:29:34 +03:00
Bananymous 4d3751028b LibInput: Honor chroot and credentials when loading keymap 2026-04-06 19:29:34 +03:00
Bananymous e4c6539964 Kernel: Be more clever with physical memory 
Initially allocate all physical memory except kernel memory and boot
modules. Before we just skipped all memory before kernel boot modules.
Also release memory used by boot modules after the kernel is up and
running. Once the boot modules are loaded, there is no need to keep them
in memory.
 2026-04-06 19:29:34 +03:00
Bananymous 34b59f062b LibC: Implement blocking pthread_rwlock 
pthread_rwlock now uses a mutex and condition variable internally so it
doesn't need to yield while waiting!
 2026-04-06 19:29:34 +03:00
Bananymous ec4aa8d0b6 LibC: Fix shared pthread_barrier init 
Initialize internal lock and cond as shared when the barrier is shared
 2026-04-05 12:06:18 +03:00
Bananymous 1eebe85071 LibC: Fix pthread_cond_timedwait 
If timeout occurred, I was not removing the entry from block list
 2026-04-05 11:31:16 +03:00
Bananymous db0507e670 LibC: Mark pthread_exit noreturn 2026-04-05 11:30:45 +03:00
Bananymous 1e3ca7dc18 Kernel: Fix signal related syscalls 
There were missing locks, out of order sigprocmask, incorrect signal
masking...
 2026-04-05 02:31:30 +03:00
Bananymous 8ca3c5d778 Kernel: Clean up signal handling 
We now appreciate sa_mask and SA_NODEFER and change the signal mask for
the duration of signal handler. This is done by making a sigprocmask
syscall at the end of the signal handler. Back-to-back signals will
still grow stack as original registers are popped AFTER the block mask
is updated. I guess this is why linux has sigreturn(?).
 2026-04-05 02:25:59 +03:00
Bananymous df257755f7 Kernel: If userspace sets fs or gs, dont overwrite it 
Current cpu index is stored at either segment. If userspace sets that
segment, kernel will not overwrite it on every reschedule. This is fine
as long as user program does not use anything that relies on it :)
 2026-04-04 23:48:43 +03:00
Bananymous d7e292a9f8 Kernel: Drop 32 bit userspace stack to 4 MiB 
32 bit userspace only has 256 MiB reserved for stacks, so with 32 MiB
stacks it only allowed total of 7 threads. Now we can have up to 62
threads
 2026-04-04 23:48:43 +03:00
Bananymous 9fce114e8e Kernel: Don't clone entire kernel stack on fork 
We only need to copy area between [ret_sp, stack_end]. This range is
always very small compared to the whole stack (64 KiB).
 2026-04-04 23:48:43 +03:00
Bananymous 9d83424346 Kernel: Remove unnecessary stack pointer loading 
Any time I started a thread I was loading the stack pointer which is
already correctly passed :D
 2026-04-04 23:48:43 +03:00
Bananymous a29681a524 Kernel: Fix signal generation 
We need to have interrupts enabled when signal kills the process as
process does mutex locking. Also signals are now only checked when
returning to userspace in the same place where userspace segments are
loaded.
 2026-04-04 23:48:43 +03:00
Bananymous 47d85eb281 Kernel: Pass the actual vaddr range to reserve pages 2026-04-04 23:48:43 +03:00
Bananymous 85f676c30a DynamicLoader: Calulate max loaded file count based on dtv size 
dtv should be dynamic but i dont care right now :)
 2026-04-04 23:48:43 +03:00
Bananymous 8c5fa1c0b8 DynamicLoader: Fix R_386_PC32 relocation 
I was not accounting elf base with offset
 2026-04-04 23:48:43 +03:00
Bananymous c7690053ae LibC: Don't crash on 32 bit pthread_create 2026-04-04 23:48:43 +03:00
Bananymous 3f55be638d Kernel: Allow reserve_free_page{,s} to fail 
Apparently I was asserting here before :D
 2026-04-04 23:48:43 +03:00
Bananymous 664c824bc0 Kernel: Keep fast page always reserved 
There was a bug where 32 bit target's reserve_free_page was allocating
the fast page address
 2026-04-04 23:48:43 +03:00
Bananymous e239d9ca55 ports/SDL2: Use 48 kHz floats instead of 44.1 kHz PCM16 2026-04-03 16:17:16 +03:00
Bananymous bf1d9662d7 LibAudio: Use floats instead of doubles for samples 2026-04-03 16:15:02 +03:00
Bananymous 675c215e6a Kernel: Add CoW support to MemoryBackedRegion 
This speeds up fork by A LOT. Forking WindowServer took ~90 ms before
this and now its ~5 ms.
 2026-04-03 01:54:59 +03:00
Bananymous c09bca56f9 Kernel: Add fast write perm remove to page tables 2026-04-03 01:54:22 +03:00
Bananymous 7d8f7753d5 Kernel: Cleanup and fix page tables and better TLB shootdown 2026-04-03 01:53:30 +03:00
Bananymous f77aa65dc5 Kernel: Cleanup accessing userspace memory 
Instead of doing page validiation and loading manually we just do simple
memcpy and handle the possible page faults
 2026-04-02 16:36:33 +03:00
Bananymous 9589b5984d Kernel: Move USERSPACE_END to lower half 
This allows calculating distance to USERSPACE_END from lower half
address
 2026-04-02 16:34:47 +03:00
Bananymous 32806a5af3 LibC: Allow "t" in stdio mode 2026-04-02 15:44:50 +03:00
Bananymous 876fbe3d7c LibC: Fix sem_{,timed}wait 2026-04-02 15:43:34 +03:00
Bananymous c1b8f5e475 LibC: Add and cleanup network definitions 2026-04-02 15:42:00 +03:00
Bananymous cf31ea9cbe LibC: Add _SC_PHYS_PAGES and _SC_AVPHYS_PAGES 2026-04-02 15:41:26 +03:00
Bananymous 7e6b8c93b4 LibC: Implement strsep 2026-04-02 15:40:23 +03:00
Bananymous dd2bbe4588 LibC: Implement sched_getcpu 2026-04-02 15:39:36 +03:00
Bananymous e01e35713b LibC: Allow including assert.h multiple times 
Some shit seems to depend on this
 2026-04-02 15:38:06 +03:00
Bananymous 82d5d9ba58 LibC: Write memchr, memcmp and strlen with sse 2026-04-02 15:35:03 +03:00
Bananymous d168492462 WindowServer: bind volume up/down to volume control 2026-04-02 15:24:02 +03:00
Bananymous 6f2e8320a9 TaskBar: Show current volume level 2026-04-02 15:22:42 +03:00
Bananymous bf4831f468 AudioServer: Add support for volume control 2026-04-02 15:21:38 +03:00
Bananymous 5647cf24d2 Kernel: Implement volume control to audio drivers 2026-04-02 15:14:27 +03:00
Bananymous 85f61aded5 BAN: Use builtins for math overflow 2026-04-02 14:49:12 +03:00
Bananymous 21639071c2 kill: Allow killing with process name 2026-04-02 05:02:05 +03:00
Bananymous 68506a789a Kernel: Add support for volume control keys 2026-04-02 05:02:05 +03:00
Bananymous d9ca25b796 LibC: Add FNM_CASEFOLD and FNM_IGNORECASE 
These are part of POSIX issue 8
 2026-03-25 04:27:00 +02:00
Bananymous e9c81477d7 BAN/LibC: Implement remainder 
This is basically just fmod but with fprem1 instead of fprem
 2026-03-25 01:06:45 +02:00
Bananymous 5c20d5e291 Kernel: HDAudio hide unusable pins and cleanup path finding 2026-03-24 01:16:47 +02:00
Bananymous f89d690716 Kernel: HDAudio only probe codecs in STATESTS 
This removes unnecessary probing that lead to timeouts. Also cap codec
address at 14 instead of 15. My test laptop was duplicating codec 0 at
address 15 leading to duplicate devices.
 2026-03-24 00:49:47 +02:00
Bananymous c563efcd1c AudioServer: Query pins of the asked device and not the current one 2026-03-23 22:57:49 +02:00
Bananymous dedeebbfbe Kernel: Use ByteRingBuffer with audio buffers 2026-03-23 22:12:40 +02:00
Bananymous 35e2a70de0 AudioServer: Handle client data before disconnecting clients 2026-03-23 20:41:13 +02:00
Bananymous 81d5c86a7a WindowServer: Automatically launch xbanan if installed 2026-03-23 19:39:08 +02:00
Bananymous db6644bae9 BuildSystem: Set glib-compile- binaries in meson cross file 2026-03-23 19:34:00 +02:00
Bananymous 14f1c1a358 LibC: Implement vsyslog 2026-03-23 19:13:38 +02:00
Bananymous 5be9bc64a2 ports/libxml2: Configure with -shared-libgcc 
otherwise it doesn't seem to find libiconv due to __divdc3
 2026-03-23 19:09:33 +02:00
Bananymous 64d3a5c8b7 ports: Update zlib 1.3.1->1.3.2 
1.3.1 is no longer available at zlib.net
 2026-03-23 18:54:57 +02:00
Bananymous ccb4d13a82 Kernel: Compile EventFD file 2026-03-23 18:25:18 +02:00
Bananymous cbe835a2c8 DynamicLoader: Add missing strlen definition 2026-03-23 18:23:31 +02:00
Bananymous 6a77754adf LibC: Don't link against libstdc++ 
This prevented building the toolchain
 2026-03-23 18:22:42 +02:00
Bananymous 7d7d5ba734 LibC: Compile eventfd file 2026-03-23 18:22:04 +02:00
Bananymous 684fa1c4b0 ports: Add pixman port 
This fixes cairo dependencies
 2026-03-23 17:58:39 +02:00
Bananymous a98d851fde ports: Add gtk3 port 2026-03-23 17:58:39 +02:00
Bananymous 9c3e2dab40 ports: Add pango port 2026-03-23 17:58:39 +02:00
Bananymous eddb68f2fa ports/mesa: Build with x support 2026-03-23 17:55:57 +02:00
Bananymous 791091174a ports/cairo: Build with x support 2026-03-23 17:50:35 +02:00
Bananymous dd9280c6ea ports/expat: Add support for shared libraries 2026-03-23 17:48:19 +02:00
Bananymous a4d83f9fdb ports: Add xbanan port 
This allows running x apps on top of my own GUI interface!
 2026-03-23 17:47:11 +02:00
Bananymous f42c5c4a5b ports: Add a lot of x library ports + xeyes/xclock 2026-03-23 17:45:59 +02:00
Bananymous 186fa4f1a1 ports: Update git 2.52.0->2.53.0 2026-03-23 17:35:08 +02:00
Bananymous 09292bb87e BAN: Cleanup math code and add SSE sqrt 
We should prefer SSE instructions when they are easily available. For
other functions x87 is just simpler. It's hard to write faster and close
to as accurate approximations with SSE.

This does not use xmmintrin.h as clangd does not like that file and
starts throwing errors in every file that includes this :)
 2026-03-22 22:07:48 +02:00
Bananymous d18a0de879 Kernel: Fix mprotext for partial regions 
if mprotected are did not contain the start of the region, mprotect
would exit early
 2026-03-17 23:33:05 +02:00
Bananymous cdc45935b5 Kernel: Don't allow chdir into non-directories 2026-03-17 22:57:17 +02:00
Bananymous 43e18148a6 LibC: Define SSP things 2026-03-17 20:30:25 +02:00
Bananymous b0db645248 LibC: Add basic elf.h 2026-03-17 20:25:38 +02:00
Bananymous 07712758a7 BAN: Add default constructor to ipv4address 2026-03-17 20:24:48 +02:00
Bananymous c1a424a635 Kernel: Implement linux's eventfd 2026-03-17 20:24:06 +02:00
Bananymous a49588dbc7 DynamicLoader: Fix library lookup for already loaded files 2026-03-17 20:05:05 +02:00
Bananymous 1f22b9b982 DynamicLinker: Implement RTLD_NOLOAD 2026-03-17 20:04:48 +02:00
Bananymous 1d07d8e08e LibC/DynamicLoader: Add support for dynamically loaded TLS 
Previously I failed to dlopen if any of the objects contained TLS
section
 2026-03-17 20:01:51 +02:00