1003 Commits

Author	SHA1	Message	Date
apio	3a3473b9c2	kernel: Use memcpy() when cloning UserVM ... This way, any future fields in VMRegion get copied automatically.	2023-06-18 01:54:29 +02:00
apio	67ed18629d	kernel: Update the VM allocator for userspace to use a linked list ... This can cover the entire address space at once in a more memory-efficient way. Stress-tested using 'base64 /bin/ls' which allocates enough contiguous virtual memory to store the entirety of /bin/ls :) A couple of bugs and fixes later, here we are!	2023-06-18 01:48:48 +02:00
apio	266fa4a0d4	kernel: Start counting partition numbers at 1 ... This makes more sense for the end user.	2023-06-17 19:50:58 +02:00
apio	7cace9a0d7	kernel: Provide more meaningful panic messages for critical failures	2023-06-17 19:43:25 +02:00
apio	e79d4297ea	kernel: Make the root inode be a mountpoint as well + add pivot_root()	2023-06-17 17:27:22 +02:00
apio	b7a82fd895	kernel: Do not error out on zero-length reads/writes to bad addresses	2023-06-17 12:04:34 +02:00
apio	592558d7ad	kernel: Add GUID partition table support	2023-06-17 12:03:37 +02:00
apio	2be4880278	kernel: Name the scoped lock in ATADevice::read() ... Is that supposed to work without a name? Looks like it did!	2023-06-17 09:46:28 +02:00
apio	7a78609a85	kernel: Preserve kernel threads' page directories when they differ from the regular kernel page directory	2023-06-17 00:49:31 +02:00
apio	c2cdb861c9	kernel/ATA: Fix buffer overflow in ATADevice::read() with small sizes and unaligned offsets	2023-06-17 00:48:53 +02:00
apio	27b26f389c	kernel: Lock ATADevice::read_lba() using ATA::Channel's KMutex	2023-06-17 00:22:38 +02:00
apio	32d2e0e6b7	kernel: Remove register_special_device()'s name parameter ... This is now duplicate information that can be queried using device->device_path().	2023-06-16 21:46:51 +02:00
apio	ba46399bbd	kernel/ATA: Remove debug messages	2023-06-16 21:34:36 +02:00
apio	738b218a49	kernel/ATA+MBR: Dynamically generate device names + create devices for MBR partitions	2023-06-16 21:30:50 +02:00
apio	72b8ebe02c	kernel: Make the MBR code read from a device instead of an inode	2023-06-16 21:10:33 +02:00
apio	72e798cedb	kernel: Do not automatically read the MBR partition table from /dev/cdrom ... Since ff952cfe16 made /dev mounted from userspace, /dev/cdrom does not exist when ATA drives are scanned.	2023-06-16 21:10:33 +02:00
apio	7593947c33	kernel/ATA: Route interrupts to the correct drive	2023-06-16 21:10:33 +02:00
apio	93922932fa	kernel: Start reading the MBR partition table from the ATAPI drive	2023-06-16 21:10:33 +02:00
apio	a3beaa4d53	ATA: Mark the CDROM as a block device	2023-06-16 21:10:33 +02:00
apio	bb0db450b3	kernel/ATA: Pass extra information to DeviceRegistry ... This is needed since merging e7d482e from main.	2023-06-16 21:10:33 +02:00
apio	a0fa1f2cfd	kernel+init: Create a device node in /dev to access the CDROM from userspace! ... Still using PIO, though.	2023-06-16 21:10:33 +02:00
apio	2fa11a5ae3	kernel/ATA: Read the CDROM's first sector using ATAPI PIO!! ... Sadly, for some reason, DMA is not working right now. This is a problem, as PIO is inconvenient. But hey, it works for now!	2023-06-16 21:10:32 +02:00
apio	cc8450751c	kernel/x86_64: Implement writing to PCI fields	2023-06-16 21:10:32 +02:00
apio	3762d3f959	kernel/PCI: Add bit enum for the Command field	2023-06-16 21:10:32 +02:00
apio	a99c5e325d	kernel: Actually register interrupt handlers properly	2023-06-16 21:10:32 +02:00
apio	82db0e39ea	kernel/ATA: Calculate block sizes for ATA devices as well	2023-06-16 21:10:32 +02:00
apio	46c45068e0	kernel/ATA: Send a READ CAPACITY packet to an ATA drive on initialization	2023-06-16 21:10:32 +02:00
apio	cfcde5af55	kernel/ATA: Read the PCI Busmaster registers and start preparing for DMA	2023-06-16 21:10:31 +02:00
apio	268252c89e	kernel/ATA: Read the Busmaster base port and verify it	2023-06-16 21:10:31 +02:00
apio	5d16754632	kernel: Handle device BARs properly	2023-06-16 21:10:31 +02:00
apio	6307b01689	kernel/ATA: Read ATA strings properly instead of backwards ... Now we can see the model string. What does it say... "QEMU DVD-ROM". Let's go!	2023-06-16 21:10:31 +02:00
apio	e118c9ea0d	kernel/ATA: Implement enough to send an IDENTIFY command and read the model number :)	2023-06-16 21:10:31 +02:00
apio	ee691bbb0f	kernel/ATA: Handle drive IRQs in compatibility mode	2023-06-16 21:10:31 +02:00
apio	739950e8f0	kernel/CPU: Allow passing arbitrary data to interrupt handlers	2023-06-16 21:10:31 +02:00
apio	3a84127fd6	kernel/ATA: Start reading/writing registers and detecting drives	2023-06-16 21:10:30 +02:00
apio	e8507d23ee	kernel: Warn if no ATA controller is found	2023-06-16 21:10:30 +02:00
apio	d9a1e8a980	kernel: Add a KMutex class and use that for ATA::Controller locking	2023-06-16 21:10:30 +02:00
apio	7efc6dc985	kernel/x86_64: Add basic ATA controller and channel identification	2023-06-16 21:10:30 +02:00
apio	beeafb73e6	kernel/PCI: Add more PCI field types	2023-06-16 21:10:30 +02:00
apio	f0caf010bf	kernel/x86_64: Add a way to register IRQ handlers from other kernel subsystems	2023-06-16 21:10:26 +02:00
apio	d0b65674e6	kernel: Fix 0-delay sleeps blocking the thread forever	2023-06-08 19:57:38 +02:00
apio	3283991ec6	kernel: Keep the old Timer::ticks_ms() API. ... Removing this API broke the ATA branch.	2023-06-03 21:02:18 +02:00
apio	8bcec00a9d	kernel: Change the timer subsystem to use timespecs natively	2023-06-03 13:15:10 +02:00
apio	1090815c8d	kernel: Honor the sticky bit	2023-06-03 11:55:10 +02:00
apio	ff952cfe16	kernel+init: Let userspace control devfs mountpoints	2023-06-02 21:45:31 +02:00
apio	11a4f8cc90	kernel: Wake the parent process when a child exits because of a page fault	2023-05-28 21:50:13 +02:00
apio	88d1da59e8	kernel+libc: Add access()	2023-05-27 12:04:27 +02:00
apio	bd8aaa917f	kernel+libc+ln: Add support for userspace hard link creation	2023-05-27 11:32:40 +02:00
apio	a98e9e8009	kernel: Add /dev/full	2023-05-27 10:42:45 +02:00
apio	b0506bf88f	kernel: Add umask	2023-05-26 22:27:49 +02:00
apio	d89a823924	kernel: Return EACCES when trying to chdir to an unaccessible directory	2023-05-26 20:49:13 +02:00
apio	cba0a23db9	kernel: Make the framebuffer a block device	2023-05-26 20:36:35 +02:00
apio	7cdb967730	kernel: compilation fix	2023-05-26 20:30:39 +02:00
apio	62e14e7580	kernel+libos+apps: Support block devices and disallow seeking character devices or pipes	2023-05-26 20:27:47 +02:00
apio	3a51807fa6	kernel+stat: Handle pipes correctly in stat()	2023-05-23 20:54:25 +02:00
apio	9cdfdbc6f9	kernel: Handle unnamed pipes in stat()	2023-05-23 20:49:26 +02:00
apio	1094042a7d	kernel: Implement st_dev and st_rdev	2023-05-23 20:45:24 +02:00
apio	1a6ad11462	kernel+libc+libos+ls: Add readlink()	2023-05-23 15:42:38 +02:00
apio	67a9d130e2	kernel: Add initial support for symbolic links :D	2023-05-20 21:49:24 +02:00
apio	01111442d3	kernel: Add the getrusage() system call	2023-05-20 12:48:07 +02:00
apio	1506331872	kernel+libc: Add the pstat() system call ... Luna-specific, but I like it.	2023-05-18 21:48:47 +02:00
apio	84bed3ceb3	kernel+libc: Remove mknod() ... Now that we automatically create files in /dev, mknod() is not needed anymore.	2023-05-18 19:42:14 +02:00
apio	d7c563aebd	kernel: Add reference counting for mounts ... This will make sure we cannot unmount a file system while there is another one mounted inside it.	2023-05-18 16:22:31 +02:00
apio	3a73d49aa1	kernel: Remove a mount from the mountpoint list after unmounting it	2023-05-18 16:18:09 +02:00
apio	8f6bd29da3	kernel: Make file system reference counting work for current directories ... Also, make pipes usable again.	2023-05-17 20:37:01 +02:00
apio	1f4c4928cc	kernel+libc+apps: Add mount and umount syscalls, libc wrappers, and utilities	2023-05-17 20:30:15 +02:00
apio	29174ca228	kernel/VFS: Add a way to unmount file systems	2023-05-17 19:52:26 +02:00
apio	e7d482e78a	kernel+init: Add a VFS mount system and auto-populate the devfs	2023-05-17 19:40:37 +02:00
apio	64d0f30bd9	kernel: Disallow write-related flags when opening a directory, not only when the directory flag is set ... Also return EISDIR instead of EINVAL as that is what Dr. POSIX mandates.	2023-05-11 21:29:49 +02:00
apio	411c6c40cd	kernel: Add the fchmodat() and fchownat() system calls	2023-05-11 19:49:03 +02:00
apio	efc6d03f23	kernel+libc: Add support for unnamed pipes	2023-05-10 22:48:31 +02:00
apio	1a2fce5316	kernel+libc: Add the O_TMPFILE open flag and the tmpfile() function	2023-05-09 22:04:34 +02:00
apio	4753e80583	kernel: Make DeviceRegistry store the created devices instead of creating them when requested	2023-05-09 18:31:27 +02:00
apio	916a73ca95	kernel: Rework the timer subsystem to count in microseconds	2023-05-07 21:51:36 +02:00
apio	9bab4c62a1	kernel: Compilation fixes	2023-05-07 21:42:03 +02:00
apio	72dadc6706	kernel: Define a constant to check for default memory access	2023-05-07 21:38:38 +02:00
apio	b25e212880	kernel: Make a generic function for checking memory flags	2023-05-07 21:37:01 +02:00
apio	77560bbc3e	kernel+tools: Allow loading files with different owners + add a more dynamic install script	2023-05-06 12:11:35 +02:00
apio	9184bbfef6	kernel: Disallow passing O_WRONLY and O_DIRECTORY at the same time	2023-05-05 18:53:50 +02:00
apio	d9d8f7cdc7	kernel: Remove unused headers from main.cpp	2023-05-04 23:59:46 +02:00
apio	293a992133	kernel: Add a kernel_wait_for_event() function to avoid weird calls to kernel_wait in kthreads	2023-05-04 23:43:00 +02:00
apio	4a7f68b989	kernel: Add a convenience wake_up() function	2023-05-04 23:35:54 +02:00
apio	3a1c22bb93	kernel: Add keyboard combinations for debug information dumps ... Ctrl+Alt+E: Dump threads Ctrl+Alt+M: Dump memory usage Ctrl+Alt+H: Dump heap state	2023-05-04 23:32:48 +02:00
apio	3ed9e578c7	kernel/x86_64: Wake the IO thread up only when there is an IO event, instead of polling every 10 ms	2023-05-04 23:07:09 +02:00
apio	96f3d29d37	kernel: Tell the reap thread to run when it's needed, instead of checking every 200 ms	2023-05-04 23:06:00 +02:00
apio	42eb0a1d74	kernel: Freeze waitpid()'s calling thread until a child tells us it's done, instead of polling it every 10 ms	2023-05-04 23:03:31 +02:00
apio	4616997f5b	kernel: Store a thread's parent directly instead of its parent's PID	2023-05-04 22:58:04 +02:00
apio	44e4ca804a	kernel: Make sure argument vectors passed to execve() are not too big	2023-05-04 16:36:24 +02:00
apio	abaf24d0da	kernel/CPU: Move some stuff to StringView	2023-05-03 17:35:46 +02:00
apio	7058ec945a	libluna: Use a String for name and handle prefix correctly in TarStream	2023-05-02 10:51:53 +02:00
apio	3e277b5d6f	libos: Introduce os::Directory	2023-04-28 21:16:43 +02:00
apio	0c1d33f2ec	kernel: Move some files into subdirectories	2023-04-28 15:55:06 +02:00
apio	52ce4b28aa	Scheduler: Remove redundant check in for_each_child	2023-04-28 15:22:16 +02:00
apio	7b4cfd52cd	Scheduler: Don't search threads spawned before the current thread to find children ... Children will always be spawned later (and thus have a higher PID) than their parent.	2023-04-28 15:19:01 +02:00
apio	bcdec62f51	kernel: Allow returning early from Scheduler::for_each_child	2023-04-28 15:13:53 +02:00
apio	77dcfab5ef	kernel: Run the initialization process in a thread ... This way we can give it more stack and also reclaim it later!	2023-04-28 13:23:07 +02:00
apio	24f4ce9669	kernel: Only allow Ctrl+D on an empty line	2023-04-26 20:42:26 +02:00
apio	099f6131d1	kernel: Avoid printing control characters that we don't have a special meaning for	2023-04-26 20:42:08 +02:00
apio	97e9fceaa4	kernel+libc: Add dup2()	2023-04-25 20:37:30 +02:00
apio	403b0f6b94	kernel+libc+init: Add a way to modify the system hostname	2023-04-24 21:20:44 +02:00