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142 Commits

Author SHA1 Message Date
Bananymous e946b392c9 LibC: Add definition for S_IFMT 
I was using S_IFMASK, but linux seems to use this
 2024-02-14 14:39:22 +02:00
Bananymous 81689b5f02 LibC: Implement most of missing functions from string.h 
only strcoll*, strxfrm* and strerror_l are left unimplemented
 2024-02-14 14:39:22 +02:00
Bananymous c18d926174 LibC: Fix timeval field name 2024-02-14 03:36:18 +02:00
Bananymous 9314528b9b Kernel: Improve syscall handling 
Syscalls are now called from a list of function pointers
 2024-02-12 21:51:11 +02:00
Bananymous 3fc1edede0 Kernel/LibC: Implement super basic select 
This does not really even block but it works... :D
 2024-02-12 17:26:33 +02:00
Bananymous 454bee3f02 LibC: Fix sockaddr_un implementation 2024-02-07 15:57:45 +02:00
Bananymous 41cad88d6e Kernel/LibC: Implement dummy syscalls for accept, connect, listen 2024-02-07 15:57:45 +02:00
Bananymous f804e87f7d Kernel: Implement basic gateway for network interfaces 2024-02-05 18:18:56 +02:00
Bananymous 692cec8458 Kernel/Userspace/LibC: Implement basic dprintln for userspace 2024-02-05 01:24:09 +02:00
Bananymous e1ffbb710b Kernel/LibC: Implement basic ioctl for network addresses 2024-02-03 01:50:10 +02:00
Bananymous bc1441a5eb LibC: add stropts.h 2024-02-02 14:29:20 +02:00
Bananymous 0f154c3173 Kernel: Implement basic recvfrom 2024-02-02 13:50:00 +02:00
Bananymous ec2f21bb9f Kernel/LibC: Implement SYS_SENDTO 2024-02-02 03:16:01 +02:00
Bananymous ab150b458a Kernel/LibC: Implement basic socket binding 2024-02-02 01:31:58 +02:00
Bananymous cf28ecd5a6 Kernel/LibC: Add SYS_SOCKET 2024-02-01 23:39:09 +02:00
Bananymous dfe5a2d665 All: Cleanup all files 
Add newline to end of files and remove whitespace from end of lines
 2024-01-24 15:53:38 +02:00
Bananymous 606a7cb313 LibC: Implement almost POSIX compliant *scanf functions 
Only wchar strings and floating point values are not parsed
 2024-01-24 10:33:12 +02:00
Bananymous 51214ea1bf Kernel: Add load_keymap syscall and load Finnish keymap in init 2024-01-10 14:46:29 +02:00
Bananymous 96d831c31a Kernel/LibC/Userspace: Implement chown and set tty owner on login 2024-01-02 22:19:38 +02:00
Bananymous 7320104fd0 LibC: Mark __assert_fail as noreturn 2023-12-14 15:13:54 +02:00
Bananymous 9d8c9baa3f LibC: Remove unnecessary RWX mask definition 2023-12-09 19:43:49 +02:00
Bananymous 1c78671078 Kernel: Rework all signal code 
Signal handling code was way too complex. Now everything is
simplified and there is no need for ThreadBlockers.

Only complication that this patch includes is that blocking syscalls
have to manually be made interruptable by signal. There might be some
clever solution to combat this is make this happen automatically.
 2023-12-06 13:02:17 +02:00
Bananymous cdcc36efde Kernel: Remove unnecessary raise syscall 2023-12-06 13:00:45 +02:00
Bananymous 327b330338 Kernel: Make internal framebuffer bpp constexpr defined in libc 2023-11-29 20:07:33 +02:00
Bananymous d86ecf4f61 Kernel: Reading from negative offset in fb dev gives out info 2023-11-28 23:50:11 +02:00
Bananymous 09b7cb2f33 Kernel/LibC: Implement pread() 2023-11-28 23:47:30 +02:00
Bananymous 60e755210c Kernel/LibC: Implement very basic msync 2023-11-22 22:44:06 +02:00
Bananymous c084ce8b01 Kernel/LibC: Implement readlink and readlinkat 2023-11-11 23:16:52 +02:00
Bananymous 7c6832cee4 LibC: implement and call __cxa_finalize() on exit() 
This allows global destructors to be actually called
 2023-10-30 11:10:08 +02:00
Bananymous 87ff38664a Kernel/LibC: Add syscall and wrapper for unlink 2023-10-25 21:45:04 +03:00
Bananymous 6ee4d10651 Kernel/LibC/Userspace: Implement mkdir and creat 
Touch now uses creat insteadd of open with O_CREAT flag
 2023-10-25 21:07:26 +03:00
Bananymous 627b8cc140 Kernel/LibC: implement chmod syscall + libc wrapper 2023-10-25 02:35:37 +03:00
Bananymous 5ee3506474 Kernel: Add physical memory info to /proc/{pid}/meminfo 2023-09-30 22:11:45 +03:00
Bananymous 785de5f9b9 Kernel: /proc/{pid}/meminfo now reports per process memory usage 2023-09-30 21:20:18 +03:00
Bananymous 9f0797047f Kernel/LibC: dirent now contains file type 2023-09-30 20:46:57 +03:00
Bananymous 6eda65eea6 Kernel/LibC/Userspace: Add SYS_POWEROFF + cli tool 
You can now shutdown/reboot banan-os with the poweroff cli tool.

Reboot doesn't seem to work on qemu.
 2023-09-28 12:36:47 +03:00
Bananymous 1abf787596 LibC: Add errno for unknown error 2023-09-28 12:06:17 +03:00
Bananymous cb76f1ea75 Kernel: Add some functionality to disable TTY input/output 
Userspace programs can call tty_ctrl() to disable/enable tty from
handling input and displaying output.

This API is probably going to change in the future to ioctl calls
but I'm not sure how ioctl is used and what functionality should it
have. I decided to create whole new function and syscall for now.

Next I will expose framebuffer in /dev/fb0 and then I can start work
on graphical environment! :D
 2023-09-27 15:44:05 +03:00
Bananymous a69e5fb288 LibC: add syncsync() to unistd.h 
This is my own WELL NAMED (:D) function that takes a paramemeter
to make the sync operation synchronous.
 2023-09-27 00:35:36 +03:00
Bananymous 3ba15b41a3 Kernel/LibC: remove PATH resoltion from kernel 
I have no idea why I had made PATH environment variable parsing
to be part of the kernel. Now the shell does the parsing and
environment syscall is no longer needed.
 2023-09-23 03:08:14 +03:00
Bananymous 6bb2c80bdd Kernel/LibC: userspace malloc now uses mmap to get memory 
We could remove syscalls to allocate more memory. This was not
something the kernel should have done.
 2023-09-23 02:26:23 +03:00
Bananymous af4af1cae9 Kernel/LibC: add mmap for private anonymous mappings 
This will be used by the userspace to get more memory. Currently
kernel handles all allocations, which is not preferable.
 2023-09-22 23:01:14 +03:00
Bananymous 63dc2b6aa6 Kernel: Implement SYS_SYNC and add sync executable to userspace 
You can (and have to) manually sync disk after writes to it.
 2023-09-11 01:26:27 +03:00
Bananymous 921d95d18f All: Clear lines with only whitspace in them 2023-09-10 00:31:42 +03:00
Bananymous 39a5c52088 Kernel: Fix directory permissions 
We did not care about X bit in directories and instead used only the
R bit for search/read.
 2023-09-08 11:46:53 +03:00
Bananymous 9901f95d78 Kernel: Add basic nanosleep, only millisecond percision 2023-09-04 12:59:50 +03:00
Bananymous 6f002c926a Kernel: add basic fcntl() with couple of commands and no validation 2023-09-04 12:57:09 +03:00
Bananymous 7aaea786c2 LibC: Don't undef needed values in inttypes.h 2023-08-24 15:48:14 +03:00
Bananymous 60a2185ee6 Kernel/LibC: implement proper getpgid and setpgid 2023-08-22 14:53:12 +03:00
Bananymous c9243f0d1e Kernel/LibC: Add {get,set}pgrp() 2023-08-22 11:36:33 +03:00