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54 Commits

Author SHA1 Message Date
Bananymous 12e42f40c5 Kernel/LibC: add free function for FixedWidthAllocator 
I have to rework the syscall API and allocators in process. For
now this works well enough :)
 2023-05-07 01:21:50 +03:00
Bananymous bcfd838131 Kernel: Add basic fixed width allocator for userspace 
We have to move process stacks to the general heap and maybe map
kernel to higher half.
 2023-05-06 19:58:08 +03:00
Bananymous e1a6e7c3ac LibC: add proper stdlib.h header 
Function declarations taken from the posix specifications
 2023-04-27 15:14:03 +03:00
Bananymous 3537d53d5c LibC: add link to posix stdio.h 2023-04-27 14:16:25 +03:00
Bananymous 1d42b26fce LibC: Fix some bugs 2023-04-25 13:27:01 +03:00
Bananymous 79812b34b0 LibC: fread() now does a single syscall 2023-04-25 12:38:08 +03:00
Bananymous cd74b2167d LibC: Write mostly functioning stdio 2023-04-23 14:32:37 +03:00
Bananymous ff8c0086e2 LibC: puts() now just calls syscall(SYS_WRITE, ...) 2023-04-22 15:29:38 +03:00
Bananymous dc1b7cf08f LibC: syscalls have now proper argument order 2023-04-22 15:29:15 +03:00
Bananymous d9b7747fc5 LibC: exit() calls _fini() 2023-04-19 00:42:00 +03:00
Bananymous 3f9d6f0311 LibC: add needed stubs to build executables with our compiler 2023-04-12 17:53:02 +03:00
Bananymous aa2aee684b Kernel: remove message from BAN::Error 
We don't store the error message anymore in BAN::Error.
Instead we store a error code that can be mapped into a string.
This allows BAN::Error to only take 4 bytes instead of 128.

We should also make some kernel initialization just panic instead
of returning errors since they are required for succesfull boot
anyway.
 2023-04-11 23:25:21 +03:00
Bananymous 781cc78a1f BuildSystem: Fix header copying to sysroot 
We used to copy all headers everytime to sysroot which caused
rebuild of the whole os. Now we use the cmake command
'copy_directory_if_different' which seemed to fix this issue :)
 2023-04-10 21:07:25 +03:00
Bananymous 25ddc24754 BuildSystem: cmake can now build out libc 
I can't seem to get libc++ build to work...
 2023-04-10 21:07:25 +03:00
Bananymous 989f9ec5fe LibC: remove old unused files 2023-04-07 02:26:44 +03:00
Bananymous 8a8793fd2d BuildSystem: you can now build the toolchain with cmake 2023-04-06 00:23:02 +03:00
Bananymous a5830c5424 LibC: add stubs for a lot of functions 2023-04-05 23:58:40 +03:00
Bananymous b6896a6d85 LibC: sys/types uses 'typedef' instead of 'using' 2023-04-05 15:03:24 +03:00
Bananymous 67ff01e915 LibC: Add errno ENOTTY 2023-04-05 02:47:37 +03:00
Bananymous 63e863ad35 LibC: Add unistd.h with STD{IN,OUT,ERR}_FILENO definitions 2023-04-05 00:59:48 +03:00
Bananymous 86d777e2eb LibC: add device macros in sys/sysmacros.h 2023-04-03 10:59:15 +03:00
Bananymous 4c5176f751 BuildSystem: We are now using cmake instead of plain make 
I have been annoyed for a while since I had to build everything
when running the os since the buildsystem was really bad.

I wanted to rewrite the whole build system and changed to using cmake

:)
 2023-04-02 04:07:27 +03:00
Bananymous d71f1f24e4 LibC: Combine string.h functions definitions to single file 2023-04-02 00:00:29 +03:00
Bananymous cd0d10b64e LibC: add ENOBUFS errno 2023-03-29 10:58:25 +03:00
Bananymous 32c3aca52f LibC: add dirent.h 2023-03-25 02:08:33 +02:00
Bananymous 9fd17ef73c LibC: Add stat structure 2023-03-24 18:08:22 +02:00
Bananymous 1be8b2f514 LibC: add more typedefs to sys/types 2023-03-23 19:24:12 +02:00
Bananymous d6e4430692 LibC: add errno NAMETOOLONG 2023-03-23 14:48:42 +02:00
Bananymous cf2be54e8f LibC: add errno ENOTEMPTY 2023-03-19 05:43:40 +02:00
Bananymous 3ab62e83d3 LibC: add errno EEXISTS 2023-03-19 04:17:39 +02:00
Bananymous ceb53533be LibC: add fcntl.h with some defines 2023-03-17 21:18:41 +02:00
Bananymous e2707b9416 LibC: Add EBADF errno 2023-03-16 16:22:11 +02:00
Bananymous 4493c9bbe6 LibC: Add ENTOSUP errno 2023-03-16 16:03:51 +02:00
Bananymous 1b7625581d Kernel: Add basic concept of Processes 
We now create Shell as a process that has its own threads
 2023-03-16 12:17:04 +02:00
Bananymous 10ef3c6a54 LibC: add declarations for malloc and free 2023-03-04 02:59:48 +02:00
Bananymous 53ec66ff86 LibC: strerror now always uses a buffer to which it copies the string 2023-03-02 22:13:08 +02:00
Bananymous 52aa98ba25 Kernel+LibC: Add some errno codes 
Kernel now returns ENOMEM and other errnos, so we dont have to write
error messages
 2023-03-02 21:10:44 +02:00
Bananymous 5cd97e44e2 LibC: Add strcmp and strncmp 2023-02-23 15:57:33 +02:00
Bananymous 9b8de5025a All: rename every function from UpperCamelCase to snake_case 
This was a mess since I didn't know which to use but now I decided
to go with snake_case :)
 2023-02-01 21:05:44 +02:00
Bananymous b315fdc27f Kernel: Finally managed to get 64-bit working 
I had weird problems with interrupts but everything should work now
 2023-01-25 19:19:28 +02:00
Bananymous fd16c1cf58 LibC: Add is*() functions to libc 2023-01-16 20:05:51 +02:00
Bananymous 6b73547989 All: edit gcc flags 2023-01-13 00:04:15 +02:00
Bananymous efd8638a96 Kernel: Improve kernel panic message and rename it 'panic'->'Panic' 2023-01-09 21:57:03 +02:00
Bananymous f4b614aa61 LibC: Add some new functions 2022-12-13 00:51:57 +02:00
Bananymous ac2ba8bc56 LibC: Remove actual printing from putc() since we were panicing anyway 2022-12-10 00:30:00 +02:00
Bananymous c17f61611e Improve buildsystem by making build directory 
We now create build directory for kernel and libc so that source
directories are kept more clean.
 2022-12-03 18:17:37 +02:00
Bananymous 123382eace Fixes :) 2022-11-15 21:42:14 +02:00
Bananymous 35e21ca4ce Improve integer printing 2022-11-15 16:34:16 +02:00
Bananymous 9e933a5ec5 Add kernel panic function 2022-11-14 18:53:00 +02:00
Bananymous b185ed4fd3 Libc is now written in C++ 2022-11-14 00:31:24 +02:00