Bananymous
cf76d2e7d9
AOC2023: remove unnecessary loop
2023-12-04 17:54:10 +02:00
Bananymous
41f8974080
AOC2023: implement day4
2023-12-04 17:51:27 +02:00
Bananymous
3ed25425a3
AOC2023: implement day3
...
Solution to second puzzle is not optimal, it definately should be
O(1) space, but I didn't want to think about it.
2023-12-03 17:07:09 +02:00
Bananymous
49f8c4268f
AOC2023: implement day2
2023-12-02 16:10:37 +02:00
Bananymous
70c224d8ea
AOC2023: Cleanup day1 code
2023-12-01 13:31:55 +02:00
Bananymous
6a7335e5c9
AOC2023: implement day1
2023-12-01 12:38:01 +02:00
Bananymous
3aaa755c51
AOC2023: update buildsystem
2023-12-01 12:38:01 +02:00
Bananymous
dabd79afa7
Userspace: Prepare aoc2023 environment :)
2023-12-01 01:22:53 +02:00
Bananymous
6ccb1bbbf9
init: set default termios on every username prompt
...
Before if e.g. Shell crashed init would have broken termios
2023-12-01 01:22:53 +02:00
Bananymous
8564b59e14
image: Remove inheritance from Netbpm
...
This inheritance made no sense
2023-11-29 20:56:05 +02:00
Bananymous
327b330338
Kernel: Make internal framebuffer bpp constexpr defined in libc
2023-11-29 20:07:33 +02:00
Bananymous
7090388c70
cp: allow copying all files except directories
...
The old condition seemed odd. This allows taking screen shots by
copying the /dev/fb0.
2023-11-29 16:13:40 +02:00
Bananymous
ff550785a7
Userspace: Implement basic image rendering for Netbpm
...
You can now render Netbpm (P6) format image to framebuffer using
`image` command. I added basic test image to
/usr/share/images/sample.ppm
2023-11-29 16:11:35 +02:00
Bananymous
056586486d
Shell: make clear use \e[2J instead of \e[J
...
This makes kernel to actually clear the full screen. If framebuffer
did not fit font exactly last row would be left partially uncleared
2023-11-28 23:55:37 +02:00
Bananymous
42a1d26d5b
Userspace: Implement basic test for framebuffer mmap
2023-11-28 23:52:22 +02:00
Bananymous
4c3da66c92
mmap-shared-test: Add test case for msync
2023-11-22 22:45:16 +02:00
Bananymous
bfe6d60e9e
ls: print link targets when listing files
2023-11-11 23:17:18 +02:00
Bananymous
613d6640fe
meminfo: better format for files without permissions
2023-11-07 02:41:01 +02:00
Bananymous
f6c312a6b3
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
a63006afaf
Userspace: Add quick test for global ctors and dtors
2023-10-30 11:11:10 +02:00
Bananymous
ea0d7156a4
rm: add option to remove recursively
2023-10-26 02:32:49 +03:00
Bananymous
81228d3401
Userspace: implement basic rm command
2023-10-25 21:45:27 +03:00
Bananymous
6ee4d10651
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
c445ea6266
cp: abort copy if write fails
2023-10-25 02:43:02 +03:00
Bananymous
e685f38fd1
Userspace: Add basic chmod command
2023-10-25 02:37:19 +03:00
Bananymous
657f95d3f0
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
07f8c972b3
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
6f6ccbfa04
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
8c792f9c6d
Shell: Fix parsing $ with unknown character
2023-10-12 22:24:27 +03:00
bc4d272c4f
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
57605c2b3e
meminfo: Print allocated physical memory percentage
2023-10-03 10:39:27 +03:00
Bananymous
1cd99631e1
Shell: source $HOME/.shellrc if found on Shell startup
2023-10-03 10:39:27 +03:00
Bananymous
f67ed9a66e
Shell: Implement sourcing scripts
2023-10-03 10:24:10 +03:00
6c11dac113
meminfo: Add process command line to the output
2023-09-30 23:17:31 +03:00
5ee3506474
Kernel: Add physical memory info to /proc/{pid}/meminfo
2023-09-30 22:11:45 +03:00
c5119cda97
Userspace: Add meminfo command that parses /proc/{pid}/meminfo
2023-09-30 21:20:53 +03:00
6304388100
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
96b1186c19
Userspace: Implement basic test for MAP_SHARED
2023-09-29 18:59:37 +03:00
b57811b371
Userspace: Implement cat-mmap
...
This behaves exactly as cat, but uses mmap to read the file.
2023-09-29 17:24:55 +03:00
6eda65eea6
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
4a01e4c3b4
Userspace: Use printf length modifiers when printing
2023-09-28 11:49:31 +03:00
399d5338c6
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
b573701625
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
3ba15b41a3
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
63dc2b6aa6
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
9ebf29991d
Kernel: Add basic dd command
...
This only supports if, of, bs, count and status=progress
2023-09-10 01:19:47 +03:00
921d95d18f
All: Clear lines with only whitspace in them
2023-09-10 00:31:42 +03:00
41757b5f6c
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
c33c7f8b3b
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
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
Bananymous
Bananymous