179 Commits

Author	SHA1	Message	Date
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	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	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	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	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	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	7173c05a22	kernel: Add support for special device files and add a mknod() syscall	2023-03-18 09:10:33 +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	7f8a8cdcaf	kernel, libc: Add an usleep() system call and use that to implement usleep() and sleep() in libc	2023-01-22 15:00:20 +01:00
apio	139c0b5eb1	Kernel: Make a UserVM wrapper around Bitmap and use that to allocate user VM ... This lets us allocate more than one page of memory from the user side.	2023-01-13 19:05:20 +01:00
apio	9454b65682	allocate_memory: Respect PROT_NONE	2023-01-12 17:59:17 +01:00
apio	586ca19b62	Add a VERY BASIC and hacky way of allocating memory from userspace ... Only supports one-page allocations and doesn't have libc wrappers, which means it has to be invoked using syscall().	2023-01-11 23:02:42 +01:00
apio	7e377ef712	Implement printf()	2023-01-07 01:49:26 +01:00
apio	a8a64863c8	kernel, libc: Add clock_gettime()	2023-01-07 00:21:08 +01:00
apio	fd8a0175d9	Add a syscall infrastructure (our baby program can print to the console now!)	2023-01-05 22:39:56 +01:00
apio	cf758fdfdc	Initial commit :)	2022-11-13 10:09:09 +01:00
apio	42efc21110	Start implementing read and write support in tmpfs ... write seems to work fine, read just hangs there, waiting.	2022-11-12 20:11:26 +01:00
apio	5c51b82f6a	Kernel: Remove obtain_user_ref and add copy_typed_to and from_user	2022-11-12 12:08:26 +01:00
apio	58fb422161	Kernel: Return a Result in MemoryManager and strdup_from_user	2022-11-12 11:56:40 +01:00
apio	d76af10e70	Kernel: Move initrd into the fs/ folder ... It makes more sense to put it in there.	2022-11-09 16:03:16 +01:00
apio	1ea216dfd1	Kernel: Rename assert.h to ensure.h ... The macro is named "ensure", the header file should reflect that.	2022-11-09 15:28:35 +01:00
apio	accf7ee417	libc: Add unimplemented st_nlink field	2022-11-09 11:36:21 +01:00
apio	033c41cbd7	Kernel: Rework the uid/gid system to make it compliant	2022-11-09 09:54:07 +01:00
apio	98da473fdc	Run clang-format	2022-11-08 19:07:43 +01:00