1174 Commits

Author	SHA1	Message	Date
apio	c75dbc0cbb	kernel: Lookup and print symbols for addresses in backtraces	2023-10-13 22:11:52 +02:00
apio	f5aed95b8b	kernel: Fix inode link counting in tmpfs	2023-10-04 20:58:40 +02:00
apio	eeb69c923c	kernel: Rename Scheduler::new_userspace_thread to clarify that it's only meant for init	2023-09-25 19:34:02 +02:00
apio	7ff5096083	kernel: Avoid page faults when reading from a slave pseudoterminal after the master is destroyed	2023-09-23 12:57:03 +02:00
apio	ffdcc843eb	kernel+terminal: Move pseudoterminal input processing to kernel-space	2023-09-22 22:45:35 +02:00
apio	441e04076a	kernel: Do not allow sending signals to dying threads ... This was causing a kernel panic when closing the terminal by directly exiting the shell (either EOF or the exit command)	2023-09-22 22:40:24 +02:00
apio	36fad85396	kernel+init+preinit+wind: Remove the kernel TTY and support only userspace terminals ... Still allow printing text to the console, but without text input or ANSI escape fancy stuff.	2023-09-21 19:31:54 +02:00
apio	b52f96ab64	kernel: Schedule cache clears only on certain checkpoints	2023-09-21 19:14:13 +02:00
apio	14f0c93175	kernel: Allow mapping the framebuffer even if its size is not page-aligned	2023-09-20 22:41:48 +02:00
apio	52b04bd33b	kernel: Increase the OOM threshold to 4 MiB free	2023-09-20 19:58:26 +02:00
apio	b42497e05e	kernel: Start clearing caches when free memory is lower than 1MiB ... This is done to avoid returning ENOMEM errors when cache memory can still be reclaimed.	2023-09-20 19:49:13 +02:00
apio	c5227d585c	kernel: Allow sending signals to process groups from userspace	2023-09-20 07:06:01 +02:00
apio	d93e9f6b4b	kernel: Fix sending signals to threads that are in a long syscall	2023-09-20 07:06:00 +02:00
apio	a93626fc41	kernel: Add pseudoterminals and a /dev/pts filesystem	2023-09-20 07:05:59 +02:00
apio	a4b5e68e1b	kernel: Allow performing extra actions when opening an inode	2023-09-20 07:05:58 +02:00
apio	3d90d7f98e	kernel: Fix poll syscall	2023-09-20 07:05:52 +02:00
apio	6a35cad8d5	kernel: Add POLLHUP and store it when a polled socket's peer disconnects	2023-09-20 07:05:52 +02:00
apio	15192837c0	kernel: Support listening sockets in poll()	2023-09-20 07:05:48 +02:00
apio	4af337e92d	kernel: Improve the mutex system	2023-09-20 07:05:33 +02:00
apio	3e896b0f62	kernel:Remove unused legacy variable from sys_mmap()	2023-09-12 22:07:17 +02:00
apio	66e3d71dbc	kernel/ATA: Fix sector number calculation for ATA drives	2023-09-07 11:28:46 +02:00
apio	6065b63801	kernel/ext2: Add support for files larger than 4MB	2023-09-06 09:56:24 +02:00
apio	e029679fba	kernel: Fix negative movement in the PS/2 mouse driver	2023-09-05 10:46:05 +02:00
apio	0002c2314c	kernel: Handle tab properly in the terminal	2023-09-04 13:12:08 +02:00
apio	27eacac19c	kernel: Add a blinking cursor to the terminal	2023-09-04 11:44:35 +02:00
apio	1528c772fd	kernel: Store the full command line of a process	2023-09-04 11:43:11 +02:00
apio	c524dc8d58	libluna+kernel: Basic ANSI escape sequences	2023-09-02 19:35:42 +02:00
apio	6f3ed70363	kernel+libluna: Avoid scrubbing when the memory is going to be overwritten anyway ... This is the case for objects with constructors and temporary memory which is filled afterwards.	2023-08-27 20:48:33 +02:00
apio	798a6d63aa	libluna: Document Bitset.h	2023-08-23 14:45:53 +02:00
apio	3f1e6fc2ff	libluna+kernel: Move luna/Syscall.h to the kernel API directory ... A kernel-specific header has nothing to do in libluna.	2023-08-23 14:35:21 +02:00
apio	a35ca0b367	libluna+kernel: Add Bitset and use it for signals	2023-08-23 10:51:02 +02:00
apio	d144a818d8	kernel: Completely prevent sending signals to kernel threads	2023-08-22 15:25:05 +02:00
apio	993e94cc76	kernel: Remove the 'signal' promise and make signal functions require stdio instead ... This follows OpenBSD and makes it so stdio is sufficient for an abort() call.	2023-08-22 13:34:30 +02:00
apio	746834e2d9	kernel: Silently ignore TTY writes in graphical mode	2023-08-22 13:31:31 +02:00
apio	2abb43d709	kernel+libos: Call Vector::try_reserve where it is appropriate	2023-08-22 11:54:00 +02:00
apio	95a33c484e	kernel+libc: Add a memstat() syscall ... We can finally show memory usage in userspace. This could have been done using sysfs, but I'm lazy and don't want to implement that. Maybe in the next release?	2023-08-17 20:15:32 +02:00
apio	4a654bf093	kernel: Handle OOMs better and without deadlocking ... Use a separate task to do it. Also fix a bug where the init thread would get no kernel stack ever since 5f698b477.	2023-08-17 20:14:33 +02:00
apio	d43590e68c	kernel: Improve Your Disk IO performance by 500% with this One Trick! ... The trick being caching lol.	2023-08-16 14:54:13 +02:00
apio	7b88b9cea3	kernel/ext2: Replace a manually allocated buffer with Buffer	2023-08-16 09:15:29 +02:00
apio	54cc80f649	kernel/ATA: Replace a manually allocated buffer with Buffer ... This also lets us keep it empty unless it is used, in which case we resize it (if it wasn't already resized).	2023-08-16 09:15:00 +02:00
apio	b8f81502b8	kernel: Fix some debug messages that are not shown by default	2023-08-16 09:03:25 +02:00
apio	e8e05159c1	libluna+kernel: Make CRC32 a class	2023-08-15 19:27:09 +02:00
apio	706752d6b9	kernel: Return SIGPIPE/EPIPE when writing to a pipe with no more readers	2023-08-15 19:08:37 +02:00
apio	a98df9e743	kernel: Return EACCES when trying to apply execpromises to a setuid program ... Closes #41.	2023-08-14 09:50:52 +02:00
apio	e2a77bb3da	kernel+libc: Add pledge support	2023-08-12 21:38:25 +02:00
apio	52064e0317	libc+kernel: Add alarm() and getpagesize()	2023-08-11 18:09:12 +02:00
apio	ed8b210639	kernel: Detect some other cases of non-DMA support	2023-08-08 18:23:13 +02:00
apio	bfb76b5625	kernel: Properly expose block device sizes with the new metadata API	2023-08-08 15:17:08 +02:00
apio	37e9b25b62	apps: Add touch	2023-08-08 14:34:58 +02:00
apio	a92077d311	kernel+libc: Add all variants of utime	2023-08-08 14:14:35 +02:00
apio	1481a4736a	tmpfs: Update mtime on writes	2023-08-08 13:36:25 +02:00
apio	4195e7f206	kernel+libc+stat: Add support for file times ... The modification time is not updated though.	2023-08-08 13:33:40 +02:00
apio	b63a8ff245	libluna: Move get_blocks_from_size to a new header and call it ceil_div instead	2023-08-08 11:58:33 +02:00
apio	917203ef11	kernel: Run the init function in a separate block to free everything before kernel_exit is called	2023-08-08 10:44:18 +02:00
apio	826be882a9	kernel: Interrupt syscalls before exiting because of a signal ... Closes #40.	2023-08-08 10:41:46 +02:00
apio	7c254e5e15	kernel: Properly check memory bounds in strdup_from_user() ... Missed this one in 097353e779.	2023-08-08 10:27:19 +02:00
apio	097353e779	kernel: Properly check memory bounds while touching user memory ... Before this patch, one byte of each page was being accessed without checking the page's permissions.	2023-08-07 22:49:00 +02:00
apio	10c892d606	kernel: Allow null envp in execve() ... As far as I know, this is not standard, but I'm doing this as a convenience for programs using exec() right after clearenv().	2023-08-07 22:48:21 +02:00
apio	f45734c61d	kernel/ATA: Stop storing ATA::Drive in a separate shared pointer	2023-08-07 19:22:57 +02:00
apio	bc20e1a31b	kernel: Store FD_CLOEXEC in the file descriptor itself ... Closes #39.	2023-08-03 17:47:18 +02:00
apio	5aa042a5f2	kernel: Add constructors to SharedMemory	2023-08-03 10:31:58 +02:00
apio	f150425222	kernel: Create a new shared memory object if the old one was lost	2023-08-03 10:31:29 +02:00
apio	842b212685	kernel: Set a SharedMemory object's prot value	2023-08-03 10:30:43 +02:00
apio	641b65da0f	kernel: Take devices into account in SharedMemory::free()	2023-08-03 09:33:10 +02:00
apio	b5d146b492	kernel/mmap: Fix some parameters	2023-08-03 09:26:21 +02:00
apio	b447c1a261	kernel: Set the shmem->inode field in query_shared_memory	2023-08-03 09:25:56 +02:00
apio	f8e86b3b01	fix	2023-08-03 09:25:38 +02:00
apio	d8f6af99b8	kernel: Let devices use shared memory	2023-08-03 09:25:23 +02:00
apio	c5e24e478f	kernel+libc: Add truncate and ftruncate	2023-08-03 08:47:37 +02:00
apio	84c1ac4cee	kernel: Add msync	2023-08-02 22:39:07 +02:00
apio	2572695c8d	kernel: Support mapping shared memory using mmap()	2023-08-02 22:20:05 +02:00
apio	9443551d71	kernel: Add shared memory	2023-08-02 22:20:05 +02:00
apio	b4527786d4	kernel/MMU: Don't copy pages on clone and allow manipulating other page directories	2023-08-02 22:17:32 +02:00
apio	4794d0dfef	kernel: Add a keyboard device for graphical session	2023-08-02 17:20:13 +02:00
apio	9c1e275f34	kernel: Make /dev/mouse read-write only for root	2023-08-02 17:19:37 +02:00
apio	df4227eab8	kernel: Make the poll() system call actually work	2023-08-02 17:18:38 +02:00
apio	f8cb6e03df	kernel: Allow turning off the TTY by setting it to graphical mode	2023-08-02 15:16:10 +02:00
apio	207d901de8	kernel+libc: Add the poll() syscall	2023-08-02 14:48:20 +02:00
apio	df77fc8de8	libluna: Remove make_array() and destroy_array() ... Placement new on arrays is a bit unreliable and could cause out-of-bounds data accesses.	2023-08-02 14:47:58 +02:00
apio	e8f3dd4cf9	kernel: Add a PS/2 mouse driver	2023-08-02 11:55:45 +02:00
apio	dc35c42371	kernel/VFS: Rework the metadata system so that there is a single metadata struct	2023-08-01 17:20:28 +02:00
apio	4c87d72b44	kernel/binfmt: Add documentation + support script interpreters being scripts themselves	2023-07-31 20:41:18 +02:00
apio	3638d3da46	kernel: Add binary format for shebang scripts	2023-07-30 18:46:19 +02:00
apio	1c76675e40	kernel: Add a framework to add more executable formats, possibly from userspace ... This lets us implement shebangs and possibly an interface similar to Linux's binfmt_misc.	2023-07-30 18:25:44 +02:00
apio	187f0ff83e	kernel: Rename Inode::blocking() to Inode::will_block_if_read()	2023-07-30 11:41:53 +02:00
apio	0c873923e8	kernel: Make OpenFileDescription shareable	2023-07-30 11:33:46 +02:00
apio	bb3127c212	kernel: Implement listen(), connect() and accept()	2023-07-30 11:33:06 +02:00
apio	7a7ae086f5	kernel: Use a did_close callback for UnixSockets	2023-07-30 11:33:06 +02:00
apio	fb08594a18	kernel: Separate FileDescriptors and OpenFileDescription ... Also, add a did_close() callback for OpenFileDescriptions losing all their references.	2023-07-30 11:33:06 +02:00
apio	a12b018b03	kernel+libc: Add basic Unix sockets (creation and binding)	2023-07-30 11:33:06 +02:00
apio	c4e30c3029	kernel: Add functionality to allow external inodes (such as sockets) to acquire an inode number from a file system ... This is only implemented in tmpfs.	2023-07-30 11:33:06 +02:00
apio	c1d08b904e	kernel+libluna: Add Buffer::dequeue_data()	2023-07-30 11:33:05 +02:00
apio	200bb6c240	kernel+libc+libos: Add inode type for sockets	2023-07-30 11:33:05 +02:00
apio	4ed7ec5e93	libluna: Store SharedPtr's ref count in the object itself	2023-07-30 11:32:46 +02:00
apio	28cc4b2306	kernel: Add default action for SIGWINCH	2023-07-27 14:00:30 +02:00
apio	11df5a2ec3	kernel: Use pid_t internally for process IDs ... This removes a bunch of casts between pid_t and u64, and makes more sense since pid_t is literally the data type for process IDs.	2023-07-26 21:32:00 +02:00
apio	5aad7d3154	kernel/x86_64: Fail on invalid interrupts instead of calling FIXME_UNHANDLED_INTERRUPT ... A FIXME is something that should be changed later, this is a check for something that should never happen.	2023-07-25 18:23:33 +02:00
apio	28dd8194af	kernel: Include waited-for grandchildren in RUSAGE_CHILDREN's times	2023-07-25 17:50:15 +02:00
apio	b88da4811f	kernel: Remove debug message in readlink	2023-07-25 17:30:56 +02:00
apio	105ed79f8f	kernel: Reenable userspace stack tracing, but hidden behind a config flag ... Sometimes this is needed for userspace program debugging (such as ports), but sometimes it can crash, so we leave it off by default.	2023-07-25 17:02:09 +02:00