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119 Commits

Author SHA1 Message Date
Bananymous 6e3f176457 ls: print link targets when listing files 2023-11-11 23:17:18 +02:00
Bananymous a0fbf18d3b meminfo: better format for files without permissions 2023-11-07 02:41:01 +02:00
Bananymous 6d899aa6ce BuildSystem: using sysroot doesn't need root privileges anymore! 
Sysroot is now created with fakeroot. This allows root access to be
only needed for disk image creation, since it uses loopback devices.
 2023-11-04 17:50:43 +02:00
Bananymous 382f9d9bb3 Userspace: Add quick test for global ctors and dtors 2023-10-30 11:11:10 +02:00
Bananymous 1ec341e2dd rm: add option to remove recursively 2023-10-26 02:32:49 +03:00
Bananymous 126edea119 Userspace: implement basic rm command 2023-10-25 21:45:27 +03:00
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 9e4adc1264 cp: abort copy if write fails 2023-10-25 02:43:02 +03:00
Bananymous 7a54a088b4 Userspace: Add basic chmod command 2023-10-25 02:37:19 +03:00
Bananymous e8890062d6 Userspace: Implement basic cp 
This does not support any meaningful command line arguments but
is a good start.
 2023-10-25 00:07:25 +03:00
Bananymous 1e2c2fb973 Shell: Set get old termios earlier 
I sourced the config file before getting old termios. Sourcing
updated the termios so old_termios was always in non canonical, non
echoing mode.
 2023-10-24 19:10:53 +03:00
Bananymous adbbdf73c4 meminfo: fix g++ warning for oob write 
g++ doesn't realize that read can only return -1
 2023-10-24 16:50:21 +03:00
Bananymous f0820e6f24 Shell: Fix parsing $ with unknown character 2023-10-12 22:24:27 +03:00
Bananymous 7ce8e2d57b cat: Use write() instead of puts to print file contents 
This allows printing files that contain null bytes behave more like
you would expect
 2023-10-04 22:16:19 +03:00
Bananymous e780eaa45f meminfo: Print allocated physical memory percentage 2023-10-03 10:39:27 +03:00
Bananymous 44cb0af64f Shell: source $HOME/.shellrc if found on Shell startup 2023-10-03 10:39:27 +03:00
Bananymous bb0989fdef Shell: Implement sourcing scripts 2023-10-03 10:24:10 +03:00
Bananymous f0b6844feb meminfo: Add process command line to the output 2023-09-30 23:17:31 +03:00
Bananymous 797ca65c66 Kernel: Add physical memory info to /proc/{pid}/meminfo 2023-09-30 22:11:45 +03:00
Bananymous 762b7a4276 Userspace: Add meminfo command that parses /proc/{pid}/meminfo 2023-09-30 21:20:53 +03:00
Bananymous 94ce2c97be Shell: Quick fix to not freeze for multiple seconds 
When sync is writing to disk, it reserves whole disk to itself.
This commit makes Shell to read username only once from getpwuid().
We used to get username every time prompt was printed.
 2023-09-29 19:20:48 +03:00
Bananymous 3f164c6b82 Userspace: Implement basic test for MAP_SHARED 2023-09-29 18:59:37 +03:00
Bananymous 7a5bb6a56b Userspace: Implement cat-mmap 
This behaves exactly as cat, but uses mmap to read the file.
 2023-09-29 17:24:55 +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 85b1252b9e Userspace: Use printf length modifiers when printing 2023-09-28 11:49:31 +03:00
Bananymous c84b66d078 Shell: String leading and trailing whitespace from commands 
This fixes a bug of inserting empty argument if command had trailing
whitespace
 2023-09-28 10:28:49 +03:00
Bananymous ec2baeb276 Sync: Add some argument parsing to sync(1) 
You can specify --block to make the program wait until sync is
complete.
 2023-09-27 00:37:23 +03:00
Bananymous fc953df281 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 5fae3cec2a 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 9b4e2e1e21 Kernel: Add basic dd command 
This only supports if, of, bs, count and status=progress
 2023-09-10 01:19:47 +03:00
Bananymous 720bc418a6 All: Clear lines with only whitspace in them 2023-09-10 00:31:42 +03:00
Bananymous afe95be42f Shell: Clean exit on ^D and use getchar() 
Use getchar() instead of fread(&ch, 1, sizeof(char), stdin). This
is much cleaner.
 2023-09-07 15:51:05 +03:00
Bananymous 14ac1c9904 Init: use read instead of fread() 
This allows actually correct behaviour. My fread implementation is
flawed. It should not return on '\n'
 2023-09-07 15:47:59 +03:00
Bananymous 4363118d9d Snake render grid lines without extra space after last '#' 2023-09-05 14:35:53 +03:00
Bananymous f46f5b2050 Snake: Reorder apple generation/snake body update 
If new apple was generated to heads previous position after update,
it would not render.
 2023-09-05 14:30:30 +03:00
Bananymous ddd36af0f1 Kernel: Add /dev/tty symlink that targets the current tty 2023-09-05 01:07:52 +03:00
Bananymous 2e2a913412 Userspace: Implement basic snake game :) 2023-09-04 14:30:45 +03:00
Bananymous b05cf9ef09 BuildSystem: Base sysroot is now distributed as a tar ball 
This allows file and directory permissions work as intended.

cmake is now filled with 'sudo' but with sudo timeout this should be
fine.
 2023-08-23 10:38:21 +03:00
Bananymous a74eb357a1 Shell: hostname is not parsed from /etc/hostname 2023-08-23 10:38:21 +03:00
Bananymous 8eb71084f0 Shell: use process groups more properly 2023-08-22 14:54:50 +03:00
Bananymous 6ada36d3cb Shell/init: We now use pgrp instead of pid and init open terminal 2023-08-22 11:37:04 +03:00
Bananymous 30463c9082 Id: Print username corresponding to uid/euid 
Also print euid and egid if they differ from uid or gid.
 2023-08-18 15:36:51 +03:00
Bananymous eb98d70a0b Shell: command execution and parsing support piped commands 
There is still problems with "blocking" builtin commands (time),
return value, ...
 2023-08-17 12:05:38 +03:00
Bananymous 5bd7099b96 Shell: add basic printf test 2023-08-16 10:49:34 +03:00
Bananymous 5806a6484f cat: use 1025 buffer. this allows reads to be 1024 byte 
reading from disk currently returns ENOTSUP if buffer size is not
multiple of sector size.
 2023-08-16 09:33:14 +03:00
Bananymous 0fa5401800 Shell: $? returns last return value 2023-08-15 09:17:46 +03:00
Bananymous b30f4cbfb5 Userspace: Add basic whoami command 2023-08-15 09:03:51 +03:00
Bananymous ba37183c9c Shell: '\u' in PS1 is replaced with username corresponding to euid 2023-08-14 14:55:23 +03:00
Bananymous 2f298a1979 Shell: ^A moves cursor to the beginning of line 2023-08-14 12:26:22 +03:00
Bananymous 313b00b11f Userspace: implement basic stat 
I tried to format the output pretty much how linux does, except for
uid and git -> name resolution which is not implemented
 2023-08-11 10:30:50 +03:00