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Commit Graph

126 Commits

Author SHA1 Message Date
Bananymous 07fec6e211 Kernel/LibC: add basic dup2 2023-07-06 23:17:54 +03:00
Bananymous 4cd72992c8 Kernel/LibC: Add basic pipe() syscall and command 
You can now create pipes :)
 2023-07-06 22:16:26 +03:00
Bananymous cdcb395640 LibC: add read() and write() to unistd 2023-07-06 22:15:55 +03:00
Bananymous 1fb305fa45 Kernel/LibC: add clock_gettime() for CLOCK_MONOTONIC 
This gets the number of milliseconds since boot
 2023-07-06 00:38:29 +03:00
Bananymous 60fe5a656c LibC: Fix syscall SYS_READ and SYS_WRITE arguments 2023-06-19 10:38:29 +03:00
Bananymous f09b82c4b5 Kernel/LibC: add SYS_{SET,GET}_PWD and chdir, getpwd 2023-06-12 02:02:52 +03:00
Bananymous 11b68f6a53 Kernel: Add SYS_GET_{,E}{UID,GID} 2023-06-11 22:37:00 +03:00
Bananymous 3fe67e4882 Kernel: Add syscalls for set{,e,re}{uid,gid} 2023-06-11 22:37:00 +03:00
Bananymous 9288537949 LibC: gid_t and id_t are now signed types 
I have no idea why I had made them unisigned
 2023-06-11 22:37:00 +03:00
Bananymous 78536f9678 Kernel/Userspace: Add basic init process 
This process parses /etc/passwd and promps login screen.
When an username is entered, it will launch that users shell
 2023-06-11 22:37:00 +03:00
Bananymous 297141f321 LibC: add strchrnul() 
this is a gnu libc extension
 2023-06-11 20:18:03 +03:00
Bananymous 83a6e6f637 LibC: Reorder some syscalls 2023-06-11 03:29:22 +03:00
Bananymous 64890bb640 Kernel: Add SYS_OPENAT 2023-06-11 03:29:22 +03:00
Bananymous 68ec443e07 LibC: implement close 2023-06-11 03:29:22 +03:00
Bananymous aa86125f2b Kernel: Implement SYS_FSTAT 2023-06-11 03:29:22 +03:00
Bananymous c423164066 LibC: Implement basic dirent functionality 
We don't currently support seeking
 2023-06-11 03:29:22 +03:00
Bananymous eae6119039 Kernel: Add syscall for reading directory entries 2023-06-11 00:18:08 +03:00
Bananymous 30f81e1696 LibC: add missing O_EXEC and O_SEARCH 2023-06-11 00:17:18 +03:00
Bananymous 24993f6020 LibC: implement setenv, unsetenv, putenv 2023-06-05 22:51:02 +03:00
Bananymous 55ea5c5488 Kernel: add basic support for environment variables 
exec functions will search files from PATH
 2023-06-05 22:51:02 +03:00
Bananymous 896b919c9d Kernel/LibC: pass environ pointer to process 2023-06-05 21:12:08 +03:00
Bananymous a7dc7ecb90 LibC: abort now prints 'abort()' and exits 
we used to call assert in abort which then recursively called
abort again.
 2023-06-05 18:23:19 +03:00
Bananymous d1ad38c8d4 Kernel/LibC: add SYS_STAT and stat(), lstat() 2023-06-05 14:37:14 +03:00
Bananymous 40055f023c LibC: add wait and waitpid 
Note that wait() doesn't work since only waiting for specified
pid is supported. wait() will just return -1 and set errno to
ECHILD.
 2023-06-04 18:00:52 +03:00
Bananymous 3a79880e69 LibC: printf string persision works now 2023-06-03 15:07:02 +03:00
Bananymous 88e92eec9e LibC: Add simple definition for realloc 
The syscall just crashes the kernel currently. I will implement
this when needed
 2023-06-02 17:56:13 +03:00
Bananymous a41b8e416f LibC: add __cxa_at_exit() for libc 2023-06-02 17:50:55 +03:00
Bananymous 8716c8baf4 LibC: remove select() declaration 
This already comes from sys/select.h
 2023-06-02 17:29:09 +03:00
Bananymous 2d67a7153b LibC: rename [[noreturn]] to __attribute__((__noreturn__)) 
This compiles with C compiler
 2023-06-02 17:28:36 +03:00
Bananymous 3fcc7c6768 LibC: stdlib.h doesn't seem to typedef wchar_t without __need_wchar_t 2023-06-02 17:27:31 +03:00
Bananymous 5d2a062b36 LibC: fix INFINITY definition typo 2023-06-02 17:27:14 +03:00
Bananymous e517ff6b6d LibC: fix DIR typedef for C code 2023-06-02 17:26:38 +03:00
Bananymous 7296846a81 LibC: complex.h undefs I before defining it 2023-06-02 17:13:09 +03:00
Bananymous 6abcb0de9b LibC: mbstate_t is empty struct 2023-06-02 17:10:29 +03:00
Bananymous 40f9d9d9bc LibC: fix sig_atomic_t definition 2023-06-02 17:08:43 +03:00
Bananymous a378e59432 BuildSystem: link libraries when they change 
This also fixed the need for manual linkin on firt build
 2023-05-31 23:01:40 +03:00
Bananymous 0f412e570c LibC: add execl 2023-05-31 22:36:26 +03:00
Bananymous 24a190d1f7 Kernel: Add SYS_EXEC syscall 2023-05-31 20:57:33 +03:00
Bananymous e8f820ef8d LibC: Fix some headers to make gcc build again 2023-05-30 01:17:45 +03:00
Bananymous fb17af4844 Kernel/LibC: opening standard files is done in libc 2023-05-29 20:21:19 +03:00
Bananymous 9a8512887f LibC: open() now just returns syscall(SYS_OPEN, ...) 
errno is handled in syscall()
 2023-05-29 20:19:17 +03:00
Bananymous 998999a755 Kernel: Add SYS_SLEEP 2023-05-28 22:34:48 +03:00
Bananymous f2d767b799 Kernel: Add bareboness fork() function 2023-05-28 18:08:49 +03:00
Bananymous dd4973ac35 LibC: fputs uses fputc instead of putc 2023-05-28 17:48:34 +03:00
Bananymous faf14b880e LibC: Rewrite all the headers. 
We now have more or less posix issue 2018 conforming libc headers.

This was a really time consuming and boring operation but it had to
be done.

Now we get to actually start implementing libc :)
 2023-05-26 22:31:21 +03:00
Bananymous 1658e925f2 Kernel: Add bareboness possibility to set termios 2023-05-26 22:31:21 +03:00
Bananymous 80d9f6131b Kernel/LibC: move file offset back to kernel 
This makes keeping track of offsets easier and more proper
 2023-05-26 22:31:21 +03:00
Bananymous 8ec675cca6 LibC: fix bugs with printf 2023-05-15 22:47:08 +03:00
Bananymous 7543fadfa8 LibC: printf now prints 0 as integer 2023-05-11 18:20:37 +03:00
Bananymous 729ff267d7 LibC: add function declarations to sys/stat.h 2023-05-11 15:11:33 +03:00