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banan-os
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12 Commits

Author SHA1 Message Date
Bananymous 8bb47aee02 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 15bb1804ef Kernel/LibC: implement chmod syscall + libc wrapper 2023-10-25 02:35:37 +03:00
Bananymous d54c6b7f6b LibC: Fix mmap() 
mmap() did not pass fildes to the syscall structure.
 2023-09-29 17:24:21 +03:00
Bananymous 376b9f7272 LibC: mmap returns MAP_FAILED instead of NULL 2023-09-29 10:38:08 +03:00
Bananymous 79851394b3 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 8d5369fafe 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 fee3677fb9 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 9e4a87021c 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 d34c0a5abe LibC: cleanup fstatat 2023-08-11 12:25:15 +03:00
Bananymous 52c4eebd77 Kernel: Implement SYS_FSTAT 2023-06-11 03:29:22 +03:00
Bananymous 9d64dbd5c2 Kernel/LibC: add SYS_STAT and stat(), lstat() 2023-06-05 14:37:14 +03:00
Bananymous cbb9f47ee5 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