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
Bananymous
9fe878bbec
Shell: Print if the process exited because of a signal
2023-08-01 14:24:36 +03:00
Bananymous
679d47131d
BuildSystem: Edit build flags regarding sse and warnings
2023-07-31 22:31:17 +03:00
Bananymous
5e434f5131
Kernel: Hardware exceptions now sends signals to userspace
2023-07-30 14:34:15 +03:00
Bananymous
00f1f30a08
Kernel: Userspace sets the foreground process and Shell handles ^C
2023-07-28 18:10:36 +03:00
Bananymous
adb14ba373
Kernel: Userspace signal handlers are now called one at a time
...
I added a syscall for telling the kernel when signal execution has
finished. We should send a random hash or id to the signal trampoline
that we would include in the syscall, so validity of signal exit can
be confirmed.
2023-07-23 13:34:53 +03:00
Bananymous
ad756c36fc
Kernel/LibC: Add SYS_KILL/kill()
2023-07-21 19:27:38 +03:00
Bananymous
dcd4d0daeb
Kernel/LibC: Add bareboness signals
...
You can now call raise() to raise a signal. Signal handlers are
not yet supported, but the handling works :)
2023-07-21 15:45:02 +03:00
Bananymous
e341a36287
Init: Use the new pwd.h api for user parsing
2023-07-13 12:01:41 +03:00
Bananymous
5c94a583bc
Userspace: add basic 'touch' command
2023-07-10 16:38:15 +03:00
Bananymous
6e1fc2766f
tee: indent with tabs
2023-07-10 16:18:08 +03:00
Bananymous
d3bb00cb55
Userspace: Add basic tee command
2023-07-10 16:07:53 +03:00
Bananymous
683c2a68cd
Shell: $(...) expansion works now :)
2023-07-06 23:22:57 +03:00
Bananymous
ad98181069
Shell: you can call Shell -c ... to invoke the shell as interpreter
2023-07-06 23:22:49 +03:00
Bananymous
21bd87bb07
Userspace: Shell now has 'env' for printing environment
2023-07-06 10:32:43 +03:00
Bananymous
79450df04c
Userspace: Shell imporove 'time' command
2023-07-06 09:45:04 +03:00
Bananymous
7f8b7b811e
Userspace: Shell now has time builtin
2023-07-06 00:39:04 +03:00
Bananymous
4dce0f9074
Userspace: u8sum fix error message
2023-06-19 10:31:23 +03:00
Bananymous
54f89cba33
Userspace: Shell now processes $ arguments
2023-06-19 01:39:24 +03:00
Bananymous
de88f60d1a
Userspace: Shell argument parsing now appriciates quotes
2023-06-19 01:07:00 +03:00
Bananymous
f7060970e6
Userspace: Shell argument parse now results in BAN::String
2023-06-19 00:34:44 +03:00
Bananymous
e7a98ac6cc
Userspace: Shell now sets SHELL environment variable
2023-06-18 23:35:51 +03:00
Bananymous
326a30d1af
Userspace: Add u8sum
...
This program caluculates the sum of bytes in file mod 256
2023-06-12 20:36:16 +03:00