Bananymous
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
Bananymous
6bb2c80bdd
Kernel/LibC: userspace malloc now uses mmap to get memory
...
We could remove syscalls to allocate more memory. This was not
something the kernel should have done.
2023-09-23 02:26:23 +03:00
Bananymous
921d95d18f
All: Clear lines with only whitspace in them
2023-09-10 00:31:42 +03:00
Bananymous
dfb18d38f7
LibC: Add rand() and srand() implementation
...
This code is from the wikipedia page for Permuted congruential generator
2023-09-04 13:52:13 +03:00
Bananymous
24993f6020
LibC: implement setenv, unsetenv, putenv
2023-06-05 22:51:02 +03:00
Bananymous
a7dc7ecb90
LibC: abort now prints 'abort()' and exits
...
we used to call assert in abort which then recursively called
abort again.
2023-06-05 18:23:19 +03:00
Bananymous
88e92eec9e
LibC: Add simple definition for realloc
...
The syscall just crashes the kernel currently. I will implement
this when needed
2023-06-02 17:56:13 +03:00
Bananymous
05046d6e93
BAN: Error uses 64 bit error codes
2023-05-07 02:09:52 +03:00
Bananymous
054c5450df
LibC: syscall() now returns -1 on error and updates errno
2023-05-07 01:51:39 +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
cd74b2167d
LibC: Write mostly functioning stdio
2023-04-23 14:32:37 +03:00
Bananymous
d9b7747fc5
LibC: exit() calls _fini()
2023-04-19 00:42:00 +03:00
Bananymous
3f9d6f0311
LibC: add needed stubs to build executables with our compiler
2023-04-12 17:53:02 +03:00
Bananymous
a5830c5424
LibC: add stubs for a lot of functions
2023-04-05 23:58:40 +03:00