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160 Commits

Author SHA1 Message Date
Bananymous f65e5f4190 tee: indent with tabs 2023-07-10 16:18:08 +03:00
Bananymous f521a98157 Userspace: Add basic tee command 2023-07-10 16:07:53 +03:00
Bananymous 404b3dd44c Shell: $(...) expansion works now :) 2023-07-06 23:22:57 +03:00
Bananymous d04b031e30 Shell: you can call Shell -c ... to invoke the shell as interpreter 2023-07-06 23:22:49 +03:00
Bananymous f19dc114d6 Userspace: Shell now has 'env' for printing environment 2023-07-06 10:32:43 +03:00
Bananymous d2aabb669b Userspace: Shell imporove 'time' command 2023-07-06 09:45:04 +03:00
Bananymous 9c3f4039a5 Userspace: Shell now has time builtin 2023-07-06 00:39:04 +03:00
Bananymous 328d67f551 Userspace: u8sum fix error message 2023-06-19 10:31:23 +03:00
Bananymous 84ecf861cd Userspace: Shell now processes $ arguments 2023-06-19 01:39:24 +03:00
Bananymous 46a6daccfe Userspace: Shell argument parsing now appriciates quotes 2023-06-19 01:07:00 +03:00
Bananymous 3df3c37bad Userspace: Shell argument parse now results in BAN::String 2023-06-19 00:34:44 +03:00
Bananymous 191a24110a Userspace: Shell now sets SHELL environment variable 2023-06-18 23:35:51 +03:00
Bananymous d0a0e3bdef Userspace: Add u8sum 
This program caluculates the sum of bytes in file mod 256
 2023-06-12 20:36:16 +03:00
Bananymous b4b892148c Userspace: Shell processes PS1 '\~' as cwd and implement cd 2023-06-12 02:03:13 +03:00
Bananymous 048183ddb5 Userspace: init now sets HOME environment variable and cd's into HOME 2023-06-12 02:02:52 +03:00
Bananymous 25f8343269 Userspace: init now default logins as user 2023-06-12 00:46:07 +03:00
Bananymous e9cb844c28 Userspace: Shell now uses PS1 as prompt if set 2023-06-12 00:45:47 +03:00
Bananymous 30ac046232 Userspace: Add color to ls 2023-06-11 23:00:19 +03:00
Bananymous f67f8ccbe0 Userspace: init now sets user and group ids before running their shell 2023-06-11 22:37:00 +03:00
Bananymous e9217b3484 Userspace: Add basic id that prints {,e}{uid,gid} of the current proc 2023-06-11 22:37:00 +03:00
Bananymous 78536f9678 Kernel/Userspace: Add basic init process 
This process parses /etc/passwd and promps login screen.
When an username is entered, it will launch that users shell
 2023-06-11 22:37:00 +03:00
Bananymous c7ec19c25c Kernel: Add basic Credentials for the system 
Now filesystem access/open, etc confirm that you have access for rwxs
 2023-06-11 20:06:06 +03:00
Bananymous 1cf464d5c7 Userspace: add basic ls command 2023-06-11 03:38:44 +03:00
Bananymous 223d2ac3a6 Userspace: fix return values of cat and echo 2023-06-10 17:34:10 +03:00
Bananymous 47c69e9def Userspace: add exit to shell 2023-06-09 01:51:23 +03:00
Bananymous 9728947d5d Userspace: add echo 2023-06-09 01:50:18 +03:00
Bananymous 66fe48e94b Userspace: add ^L support for shell 2023-06-09 01:24:33 +03:00
Bananymous 55ea5c5488 Kernel: add basic support for environment variables 
exec functions will search files from PATH
 2023-06-05 22:51:02 +03:00
Bananymous 357081346e Shell: load old termios for process execution 2023-06-05 21:12:08 +03:00
Bananymous 73c11c3d29 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 5af77dcfb9 Shell: we now support left/right arrows 2023-06-05 18:24:41 +03:00
Bananymous d1ad38c8d4 Kernel/LibC: add SYS_STAT and stat(), lstat() 2023-06-05 14:37:14 +03:00
Bananymous 4c40aa6b38 Userspace: Start work on proper shell 2023-06-05 01:42:57 +03:00
Bananymous d201e65810 BuildSystem: remove sse and sse2 from userspace 2023-06-03 16:05:32 +03:00
Bananymous 3a5d6914ba Userspace: create_program creates proper cmake files again 2023-06-02 18:42:25 +03:00
Bananymous e96efea2fb BuildSystem: all scripts have now bash shebang 
I could not use the scripts on debian
 2023-06-02 18:41:45 +03:00
Bananymous 2df7f8a1e5 BuildSystem: add rule to build libstdc++ 
We can now build libstdc++ and actually link with g++
 2023-06-02 18:39:42 +03:00
Bananymous a378e59432 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 a75a3f7a5f Userspace: make test program link against libc on change 2023-05-31 22:36:47 +03:00
Bananymous 0f412e570c LibC: add execl 2023-05-31 22:36:26 +03:00
Bananymous 24a190d1f7 Kernel: Add SYS_EXEC syscall 2023-05-31 20:57:33 +03:00
Bananymous 5bb1f2a48c Kernel: Rename MMU to PageTable 
This is more descriptive name for what it actually represents
 2023-05-29 21:06:09 +03:00
Bananymous 09666adc53 Kernel: fork() now copies allocations through FixedWidthAllocator 2023-05-28 21:34:35 +03:00
Bananymous f04399c3a0 Kernel: fork() now copies allocation done through GeneralAllocator 2023-05-28 20:37:39 +03:00
Bananymous f2d767b799 Kernel: Add bareboness fork() function 2023-05-28 18:08:49 +03:00
Bananymous a2ee543fa1 Shell: we now link BAN (we can't use it though) 2023-05-26 22:31:21 +03:00
Bananymous 27147790fd Userspace: Start work on shell 2023-05-26 22:31:21 +03:00
Bananymous 82dcec9576 Buildsystem: Fix userspace link order 2023-05-26 22:31:21 +03:00
Bananymous e0a72defa2 Kernel: Add argc and argv to process entry 2023-05-16 00:27:49 +03:00
Bananymous bbaf1223f3 BuildSystem: add helper to create userspace programs 2023-05-11 18:10:06 +03:00
Bananymous 177b205c48 BuildSystem: userspace has cmake target 2023-05-11 16:19:53 +03:00
Bananymous ff2e2937a5 Kernel: Remove offset from OpenFileDescriptor 
This is now handled on the libc side. There might be reasons to
have it in kernel side, but for simplicity's sake I'm moving it
to libc for now :)
 2023-05-09 20:31:22 +03:00
Bananymous 512be884ed Kernel: Add barebones GeneralAllocator for >4096B 2023-05-08 22:10:49 +03:00
Bananymous b0ec0f1a1a Kernel: We add FixedWidthAllocators on demand 
On SYS_ALLOC we will add a new FixedWidthAllocator if the old ones
are already full or we don't have one with proper size. This allows
arbitary number of allocations as long as you have enough memory
available :)

Next I will be writing a general allocator for allocations larger
than 4096 bytes which should make SYS_ALLOC syscall complete :)
 2023-05-07 23:57:01 +03:00
Bananymous 12e42f40c5 Kernel/LibC: add free function for FixedWidthAllocator 
I have to rework the syscall API and allocators in process. For
now this works well enough :)
 2023-05-07 01:21:50 +03:00
Bananymous bcfd838131 Kernel: Add basic fixed width allocator for userspace 
We have to move process stacks to the general heap and maybe map
kernel to higher half.
 2023-05-06 19:58:08 +03:00
Bananymous c20ba3064d Userspace: Simple stdio test 2023-04-25 14:50:26 +03:00
Bananymous cd74b2167d LibC: Write mostly functioning stdio 2023-04-23 14:32:37 +03:00
Bananymous fadce063a7 Kernel: Usespace programs are now ran through ELF files 
only 64 bit elf files are supported for now.
 2023-04-22 15:35:32 +03:00
Bananymous 998ae511a3 LibELF: Start implementing elf library 2023-04-18 10:18:15 +03:00