910 Commits

Author	SHA1	Message	Date
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
apio	9eab0886b6	kernel+libc: Add uname()	2023-04-24 20:34:44 +02:00
apio	5d56638851	kernel: Ignore all non-bootstrap processors	2023-04-22 12:25:43 +02:00
apio	60694f651f	kernel/ELF: Remove unused include	2023-04-22 12:20:30 +02:00
apio	2acd2ed75d	kernel/ELF: Avoid zeroing out memory twice	2023-04-22 12:19:22 +02:00
apio	4f6e020196	kernel+libc: Add framebuffer ioctls	2023-04-21 18:25:53 +02:00
apio	841fc25137	kernel+init: Add a framebuffer special device file	2023-04-21 18:18:15 +02:00
apio	02f8a50b9d	kernel: Replace unlink() with unlinkat()	2023-04-18 19:36:29 +02:00
apio	e466c51e9f	kernel: Also zero out mmap-ed pages	2023-04-17 22:16:27 +02:00
apio	95659639e5	kernel: Zero out allocated memory for userspace to avoid leaking sensitive data	2023-04-17 20:11:07 +02:00
apio	949321932f	kernel: Do not forbid filenames starting with a hyphen ... Some programs on Linux seem to use those, better be careful.	2023-04-16 11:33:35 +02:00
apio	e6954d2e49	kernel: Disallow problematic characters, control characters and invalid UTF-8 in filenames	2023-04-16 11:25:32 +02:00
apio	82e7b0e860	kernel: Introduce *at() syscall framework, add openat() and fstatat()	2023-04-15 20:26:15 +02:00
apio	df95126ccd	kernel: Remove unneeded debug logs & random cleanups	2023-04-14 21:10:38 +02:00
apio	bd60c65e17	kernel: Make chown() search in the process's current directory	2023-04-13 18:20:07 +02:00
apio	417e505750	kernel+libc: Add unlink(), rmdir(), remove()	2023-04-12 18:11:36 +02:00
apio	427662d5f1	kernel+libc: Add getcwd()	2023-04-11 22:45:13 +02:00
apio	7db215819e	exec: Respect the program's working directory	2023-04-11 22:44:25 +02:00
apio	2a967f4b8b	kernel+libc: Add chdir()	2023-04-11 22:15:21 +02:00
apio	2d30935fdb	kernel: Give each thread a working directory	2023-04-11 22:14:57 +02:00
apio	79a96bf5af	kernel/ELF: Remove old FIXME	2023-04-11 21:24:11 +02:00
apio	13c9caa856	kernel+libc: Add stat() + fstat()	2023-04-10 19:56:03 +02:00
apio	fee33e7a14	kernel: Add ioctls() for termios stuff to ConsoleDevice ... Only handles echoing for now.	2023-04-09 11:23:57 +02:00
apio	76eb8cd129	kernel: Add an ioctl() system call	2023-04-09 11:22:57 +02:00
apio	3887b98a7d	kernel: Support setuid binaries ... You still have to run "chmod 4755 /bin/su" as root inside Luna for now, as this is not done by the install scripts.	2023-04-08 16:32:56 +02:00
apio	059c2bfa3f	kernel+libc: Add chown and chmod	2023-04-08 14:47:34 +02:00
apio	3da1849c99	kernel+libc: Add set* and get* syscalls for UIDs and GIDs	2023-04-08 13:50:18 +02:00
apio	f6f9254eb4	kernel: Add process and filesystem UIDs and GIDs	2023-04-08 13:12:49 +02:00
apio	3a28771520	kernel+libc+apps: Add support for environment variables	2023-04-07 15:03:38 +02:00
apio	3ef484b3f3	kernel: Add missing include	2023-04-07 14:37:06 +02:00
apio	3a70accdeb	kernel: Move copy_string_vector_to_userspace to ThreadImage	2023-04-07 14:36:24 +02:00
apio	b22bea84ec	kernel: Copy process name on fork()	2023-04-07 14:02:36 +02:00
apio	7b8260f3f6	all: Enable/disable debug symbols/optimization in COMMON_FLAGS	2023-04-07 12:07:08 +02:00
apio	d07b00a892	all: Move all warning flags to a common CMake variable	2023-04-07 12:02:49 +02:00
apio	1f0e185904	kernel: Use try_set_value(_or_error) in various places	2023-04-07 10:55:04 +02:00
apio	ed0727332b	x86_64/CPU: Assign a proper IRQ number to the keyboard interrupt ... Ah, the dangers of copy-and-paste...	2023-04-04 12:13:34 +00:00
apio	64bca780a7	kernel: Add /dev/zero	2023-03-30 21:19:16 +02:00
apio	2fbc6105d7	kernel+libc: Add O_DIRECTORY and use it in opendir()	2023-03-29 22:23:52 +02:00
apio	01813ff0dd	String: Rename from_string_literal to from_cstring	2023-03-29 17:34:30 +02:00
apio	b6c35124d6	libluna: OwnedStringView -> String ... Also with inline storage!	2023-03-29 17:28:22 +02:00
apio	5623f3c699	tmpfs: Set the mode of the root directory on creation	2023-03-29 01:06:26 +02:00
apio	0847cfcb65	kernel: Add a getdents() syscall	2023-03-28 21:28:56 +02:00
apio	8eb4d693ac	VFS: Add virtual method get() for getdents() and make existence checking occur in add_entry()	2023-03-28 21:15:26 +02:00
apio	6239ed83c7	kernel+libc: Add F_GETFD, F_SETFD, F_GETFL and F_SETFL to fcntl	2023-03-28 20:55:38 +02:00
apio	1635eaf992	kernel: Eliminate the splash screen ... Userspace is free to show a splash if it wants, but the kernel shouldn't force it upon us.	2023-03-24 21:48:32 +01:00
apio	770286a19d	kernel+libc: Implement fcntl() for F_DUPFD and F_DUPFD_CLOEXEC	2023-03-24 21:33:20 +01:00
apio	0de41410c6	kernel: Use path as the new process name instead of argv[0]	2023-03-24 21:26:45 +01:00
apio	8b712b04c2	kernel: Build with optimizations only in debug mode	2023-03-24 21:25:26 +01:00
apio	36e48b2ad2	kernel: Do not attempt to close non-existent FDs on exec()	2023-03-24 21:21:13 +01:00
apio	374a9ff7b8	kernel+libc: Implement O_CLOEXEC	2023-03-24 21:19:24 +01:00
apio	d48d0efb07	kernel: Add names to threads	2023-03-24 21:05:38 +01:00
apio	4d3050eaab	kernel: Retrieve all thread information before marking it as dead in waitpid() ... In case we get interrupted by the reaper thread.	2023-03-24 20:59:07 +01:00
apio	e76ccd6c4c	kernel+libc+init: Add getppid() and wait()	2023-03-24 17:39:55 +01:00
apio	7efcc06090	kernel+init+sh: Implement parent processes and waitpid(-1, ...)	2023-03-24 17:37:04 +01:00
apio	f084b57f39	kernel+sh: Allow using Ctrl+D to send EOF	2023-03-24 17:21:21 +01:00
apio	d63c8abbfd	kernel/x86_64: Terminate page faults in a waitpid-friendly way	2023-03-24 00:52:17 +01:00
apio	b6fb5f3dfe	kernel+libc: Implement waitpid()	2023-03-23 22:42:24 +01:00
apio	41c7e3780d	kernel: Add support for exit codes and start preparing for waitpid()	2023-03-23 22:25:56 +01:00
apio	937802964c	kernel: Invert O_NONBLOCK to check whether a thread should block	2023-03-23 21:34:38 +01:00
apio	95e884db97	kernel: Fix compilation	2023-03-23 21:34:09 +01:00
apio	03adaa356c	kernel: Avoid printing keypresses twice	2023-03-23 21:33:50 +01:00
apio	cda036ce70	ConsoleDevice: Use a temporary buffer for backspace handling	2023-03-23 21:22:12 +01:00
apio	d33fccc66f	kernel: Implement reading from /dev/console	2023-03-19 19:15:19 +01:00
apio	51f0bdff0e	kernel+libc: Add O_NONBLOCK	2023-03-19 11:25:14 +01:00
apio	41514d9ad2	kernel: Add support for blocking reads	2023-03-19 11:21:50 +01:00
apio	cd00e41f59	arch/x86_64: Decode keyboard scancodes	2023-03-19 11:17:43 +01:00
apio	54f2d35416	kernel: Add the fork() system call	2023-03-18 23:45:48 +01:00
apio	a4ac3c85ed	kernel+libc: Copy argv to userspace	2023-03-18 22:25:19 +01:00
apio	0b00dc3fe4	kernel/exec: Rename item to string_addr	2023-03-18 21:56:34 +01:00
apio	7f50893786	kernel/exec: Copy argv from userspace	2023-03-18 21:55:16 +01:00
apio	49952320d6	kernel+libluna: Remove console_write entirely	2023-03-18 20:12:59 +01:00
apio	6a6a56a8b4	kernel: Make /dev/console actually respect the length parameter instead of trusting userspace's null terminators	2023-03-18 20:10:00 +01:00
apio	d01ba20749	kernel/TextConsole: Add a write() function that accepts a fixed-size buffer instead of relying on null terminators	2023-03-18 20:09:10 +01:00
apio	629ed9e43b	libc: Start switching to /dev/console for console IO and add a proper init	2023-03-18 19:23:18 +01:00
apio	7173c05a22	kernel: Add support for special device files and add a mknod() syscall	2023-03-18 09:10:33 +01:00
apio	b9e8030aac	kernel: Free the initial ramdisk memory after copying everything into the VFS	2023-03-16 23:02:53 +01:00
apio	59838f1225	kernel: Replace some raw divisions with get_blocks_from_size()	2023-03-16 23:01:35 +01:00
apio	8c72e9a49a	kernel: Add an exec() system call ... Doesn't support arguments or environment for now.	2023-03-16 22:44:58 +01:00
apio	08c888eaae	kernel+libc: Remove (de)allocate_memory and replace it with POSIX mmap	2023-03-14 20:43:15 +01:00
apio	d66506256d	kernel/VFS+libc: Introduce modes	2023-03-12 16:55:46 +01:00
apio	02dbcbbfa1	kernel: Add strdup_from_user()	2023-03-12 16:30:36 +01:00
apio	682d3c753e	kernel+libc: Add mkdir()	2023-03-12 15:32:09 +01:00
apio	354ffd033c	VFS: Add a size() method to inodes to implement seeking to the end of a file	2023-03-12 14:49:21 +01:00
apio	b54a7f3a80	kernel+libc: Add O_* flags and parse them in open() ... O_RDONLY, O_WRONLY, O_RDWR, O_TRUNC, O_CREAT and O_EXCL are fully implemented. O_APPEND is partially implemented. Other flags are not here yet.	2023-03-12 14:43:58 +01:00
apio	bd572473ad	kernel: Remove FileDescriptorTable and add a helper to resolve fds to FileDescriptors	2023-03-12 13:57:38 +01:00
apio	7e655e320a	kernel+libc: Add the lseek() syscall, and fseek, ftell, rewind, fsetpos, and fgetpos	2023-03-12 13:15:24 +01:00
apio	292433dc39	kernel+libc: Add the write() system call, and fwrite()	2023-03-12 11:37:41 +01:00
apio	c0a7f6776f	kernel+libc: Add getpid()	2023-03-11 22:19:58 +01:00
apio	8fa72f3cf0	kernel+libc: Implement read()	2023-03-11 18:02:50 +01:00
apio	810c4bc257	kernel+libc: Start interfacing with the VFS from userspace (open & close) ... This commit adds open and close syscalls to the kernel, and adds matching wrappers to libc. No read/write support, so file descriptors are kind of useless for now.	2023-03-11 17:45:20 +01:00
apio	ff468db675	kernel/ELF+Scheduler: Use VFS instead of TarStream	2023-03-11 10:34:08 +01:00
apio	c6aa2fe4ad	VFS: Populate the initial filesystem based on the initial ramdisk	2023-03-11 10:23:46 +01:00
apio	ac304073b4	tmpfs: Disallow creating files/folders with already used names	2023-03-11 10:14:42 +01:00
apio	d95ef110c9	vfs: Add support for creating directories given a full path	2023-03-11 01:13:44 +01:00