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39 Commits

Author SHA1 Message Date
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 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 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 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 0fa5401800 Shell: $? returns last return value 2023-08-15 09:17:46 +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 9fe878bbec Shell: Print if the process exited because of a signal 2023-08-01 14:24:36 +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 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 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 38dff41e25 Userspace: Shell processes PS1 '\~' as cwd and implement cd 2023-06-12 02:03:13 +03:00
Bananymous b2de706693 Userspace: Shell now uses PS1 as prompt if set 2023-06-12 00:45:47 +03:00
Bananymous e001eecb7b Userspace: add exit to shell 2023-06-09 01:51:23 +03:00
Bananymous 2c18adbddd Userspace: add ^L support for shell 2023-06-09 01:24:33 +03:00
Bananymous 064ce568c2 Kernel: add basic support for environment variables 
exec functions will search files from PATH
 2023-06-05 22:51:02 +03:00
Bananymous 3fc2c3529a Shell: load old termios for process execution 2023-06-05 21:12:08 +03:00
Bananymous 2f2c298c68 Shell: add bareboness utf8 support 
This should work as long as TTY provides only valid utf8.
If the utf is invalid, assertion fails and the shell dies.
 2023-06-05 18:55:22 +03:00
Bananymous 90e48970e6 Shell: we now support left/right arrows 2023-06-05 18:24:41 +03:00
Bananymous 9d64dbd5c2 Kernel/LibC: add SYS_STAT and stat(), lstat() 2023-06-05 14:37:14 +03:00
Bananymous 1f36ed0cf9 Userspace: Start work on proper shell 2023-06-05 01:42:57 +03:00
Bananymous cb359a05dc 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 245dff8027 Shell: we now link BAN (we can't use it though) 2023-05-26 22:31:21 +03:00
Bananymous 0ab3332ad3 Userspace: Start work on shell 2023-05-26 22:31:21 +03:00