0d725f68e3
Snake render grid lines without extra space after last '#'
2023-09-05 14:35:53 +03:00
c13b5aecfe
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
ba7e1b9ca5
Kernel: Add /dev/tty symlink that targets the current tty
2023-09-05 01:07:52 +03:00
e4041ce5ec
Userspace: Implement basic snake game :)
2023-09-04 14:30:45 +03:00
80e7a89f67
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
b780df8be0
Shell: hostname is not parsed from /etc/hostname
2023-08-23 10:38:21 +03:00
c4210b5810
Shell: use process groups more properly
2023-08-22 14:54:50 +03:00
2dcd4ed131
Shell/init: We now use pgrp instead of pid and init open terminal
2023-08-22 11:37:04 +03:00
c1d82282d9
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
089da2608c
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
ed5f4d64a8
Shell: add basic printf test
2023-08-16 10:49:34 +03:00
a09232a555
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
5a94818210
Shell: $? returns last return value
2023-08-15 09:17:46 +03:00
2441f208c6
Userspace: Add basic whoami command
2023-08-15 09:03:51 +03:00
db2eca697e
Shell: '\u' in PS1 is replaced with username corresponding to euid
2023-08-14 14:55:23 +03:00
81d79cca61
Shell: ^A moves cursor to the beginning of line
2023-08-14 12:26:22 +03:00
77ff585248
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
dddfa308d7
Shell: Print if the process exited because of a signal
2023-08-01 14:24:36 +03:00
2a851b52f1
BuildSystem: Edit build flags regarding sse and warnings
2023-07-31 22:31:17 +03:00
1d7795e22c
Kernel: Hardware exceptions now sends signals to userspace
2023-07-30 14:34:15 +03:00
925df39107
Kernel: Userspace sets the foreground process and Shell handles ^C
2023-07-28 18:10:36 +03:00
2dce0a0415
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
10169d773d
Kernel/LibC: Add SYS_KILL/kill()
2023-07-21 19:27:38 +03:00
c2cf98e32f
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
fb4b363a16
Init: Use the new pwd.h api for user parsing
2023-07-13 12:01:41 +03:00
8cd91f5a6a
Userspace: add basic 'touch' command
2023-07-10 16:38:15 +03:00
f65e5f4190
tee: indent with tabs
2023-07-10 16:18:08 +03:00
f521a98157
Userspace: Add basic tee command
2023-07-10 16:07:53 +03:00
404b3dd44c
Shell: $(...) expansion works now :)
2023-07-06 23:22:57 +03:00
d04b031e30
Shell: you can call Shell -c ... to invoke the shell as interpreter
2023-07-06 23:22:49 +03:00
f19dc114d6
Userspace: Shell now has 'env' for printing environment
2023-07-06 10:32:43 +03:00
d2aabb669b
Userspace: Shell imporove 'time' command
2023-07-06 09:45:04 +03:00
9c3f4039a5
Userspace: Shell now has time builtin
2023-07-06 00:39:04 +03:00
328d67f551
Userspace: u8sum fix error message
2023-06-19 10:31:23 +03:00
84ecf861cd
Userspace: Shell now processes $ arguments
2023-06-19 01:39:24 +03:00
46a6daccfe
Userspace: Shell argument parsing now appriciates quotes
2023-06-19 01:07:00 +03:00
3df3c37bad
Userspace: Shell argument parse now results in BAN::String
2023-06-19 00:34:44 +03:00
191a24110a
Userspace: Shell now sets SHELL environment variable
2023-06-18 23:35:51 +03:00
d0a0e3bdef
Userspace: Add u8sum
...
This program caluculates the sum of bytes in file mod 256
2023-06-12 20:36:16 +03:00
b4b892148c
Userspace: Shell processes PS1 '\~' as cwd and implement cd
2023-06-12 02:03:13 +03:00
048183ddb5
Userspace: init now sets HOME environment variable and cd's into HOME
2023-06-12 02:02:52 +03:00
25f8343269
Userspace: init now default logins as user
2023-06-12 00:46:07 +03:00
e9cb844c28
Userspace: Shell now uses PS1 as prompt if set
2023-06-12 00:45:47 +03:00
30ac046232
Userspace: Add color to ls
2023-06-11 23:00:19 +03:00
f67f8ccbe0
Userspace: init now sets user and group ids before running their shell
2023-06-11 22:37:00 +03:00
e9217b3484
Userspace: Add basic id that prints {,e}{uid,gid} of the current proc
2023-06-11 22:37:00 +03:00
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
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
1cf464d5c7
Userspace: add basic ls command
2023-06-11 03:38:44 +03:00
223d2ac3a6
Userspace: fix return values of cat and echo
2023-06-10 17:34:10 +03:00
47c69e9def
Userspace: add exit to shell
2023-06-09 01:51:23 +03:00
9728947d5d
Userspace: add echo
2023-06-09 01:50:18 +03:00
66fe48e94b
Userspace: add ^L support for shell
2023-06-09 01:24:33 +03:00
55ea5c5488
Kernel: add basic support for environment variables
...
exec functions will search files from PATH
2023-06-05 22:51:02 +03:00
357081346e
Shell: load old termios for process execution
2023-06-05 21:12:08 +03:00
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
5af77dcfb9
Shell: we now support left/right arrows
2023-06-05 18:24:41 +03:00
d1ad38c8d4
Kernel/LibC: add SYS_STAT and stat(), lstat()
2023-06-05 14:37:14 +03:00
4c40aa6b38
Userspace: Start work on proper shell
2023-06-05 01:42:57 +03:00
d201e65810
BuildSystem: remove sse and sse2 from userspace
2023-06-03 16:05:32 +03:00
3a5d6914ba
Userspace: create_program creates proper cmake files again
2023-06-02 18:42:25 +03:00
e96efea2fb
BuildSystem: all scripts have now bash shebang
...
I could not use the scripts on debian
2023-06-02 18:41:45 +03:00
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
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
a75a3f7a5f
Userspace: make test program link against libc on change
2023-05-31 22:36:47 +03:00
0f412e570c
LibC: add execl
2023-05-31 22:36:26 +03:00
24a190d1f7
Kernel: Add SYS_EXEC syscall
2023-05-31 20:57:33 +03:00
5bb1f2a48c
Kernel: Rename MMU to PageTable
...
This is more descriptive name for what it actually represents
2023-05-29 21:06:09 +03:00
09666adc53
Kernel: fork() now copies allocations through FixedWidthAllocator
2023-05-28 21:34:35 +03:00
f04399c3a0
Kernel: fork() now copies allocation done through GeneralAllocator
2023-05-28 20:37:39 +03:00
f2d767b799
Kernel: Add bareboness fork() function
2023-05-28 18:08:49 +03:00
a2ee543fa1
Shell: we now link BAN (we can't use it though)
2023-05-26 22:31:21 +03:00
27147790fd
Userspace: Start work on shell
2023-05-26 22:31:21 +03:00
82dcec9576
Buildsystem: Fix userspace link order
2023-05-26 22:31:21 +03:00
e0a72defa2
Kernel: Add argc and argv to process entry
2023-05-16 00:27:49 +03:00
bbaf1223f3
BuildSystem: add helper to create userspace programs
2023-05-11 18:10:06 +03:00
177b205c48
BuildSystem: userspace has cmake target
2023-05-11 16:19:53 +03:00
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
512be884ed
Kernel: Add barebones GeneralAllocator for >4096B
2023-05-08 22:10:49 +03:00
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
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
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
c20ba3064d
Userspace: Simple stdio test
2023-04-25 14:50:26 +03:00
cd74b2167d
LibC: Write mostly functioning stdio
2023-04-23 14:32:37 +03:00
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
998ae511a3
LibELF: Start implementing elf library
2023-04-18 10:18:15 +03:00
Bananymous