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779 Commits

Author SHA1 Message Date
Bananymous f2d767b799 Kernel: Add bareboness fork() function 2023-05-28 18:08:49 +03:00
Bananymous 3e93dae53c Kernel: Add invalidate() to MMU 2023-05-28 18:05:49 +03:00
Bananymous 187bb046aa Kernel: fix MMU::map_page_at() 
We used to only reassign if flags changed
 2023-05-28 17:57:05 +03:00
Bananymous dd4973ac35 LibC: fputs uses fputc instead of putc 2023-05-28 17:48:34 +03:00
Bananymous b021d3eebd Kernel: Processes and Threads use VirtualRange memory allocations 2023-05-28 17:48:34 +03:00
Bananymous 15842db83e Kernel: Move PhysicalRange to its own file and add VirtualRange 2023-05-28 17:48:34 +03:00
Bananymous 869de7283f Kernel: MMU::get() is now MMU::kernel 
MMU is can now be locked with RecursiveSpinLock.

Scheduler now has get_current_tid() that works before the Scheduler
is initialized. This allows RecursiveSpinLock usage early on.
 2023-05-28 16:18:18 +03:00
Bananymous a2ee543fa1 Shell: we now link BAN (we can't use it though) 2023-05-26 22:31:21 +03:00
Bananymous eb24d32383 Kernel: Directory listing is working again 2023-05-26 22:31:21 +03:00
Bananymous 565e3db22d Kernel: kmalloc debug_dump is marked [[maybe_unused]] 2023-05-26 22:31:21 +03:00
Bananymous faf14b880e LibC: Rewrite all the headers. 
We now have more or less posix issue 2018 conforming libc headers.

This was a really time consuming and boring operation but it had to
be done.

Now we get to actually start implementing libc :)
 2023-05-26 22:31:21 +03:00
Bananymous faa7bc6043 BAN: libban is now build into library dir 2023-05-26 22:31:21 +03:00
Bananymous 03c64b950b BAN: Errors.h can be included from userspace 2023-05-26 22:31:21 +03:00
Bananymous 27147790fd Userspace: Start work on shell 2023-05-26 22:31:21 +03:00
Bananymous 1658e925f2 Kernel: Add bareboness possibility to set termios 2023-05-26 22:31:21 +03:00
Bananymous 82dcec9576 Buildsystem: Fix userspace link order 2023-05-26 22:31:21 +03:00
Bananymous 80d9f6131b Kernel/LibC: move file offset back to kernel 
This makes keeping track of offsets easier and more proper
 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 e0a7e242f8 Kernel: Add MMUScope 
This disables interrupts and loads specified mmu for the
scope it lives in
 2023-05-16 00:26:39 +03:00
Bananymous 6acb86c14b Kernel: MMU keeps track of the current 2023-05-16 00:26:39 +03:00
Bananymous 8ec675cca6 LibC: fix bugs with printf 2023-05-15 22:47:08 +03:00
Bananymous 591d03de95 BAN: add is_arithmetic and is_signed to Traits.h 2023-05-15 20:26:29 +03:00
Bananymous ec316391c5 Kernel: argc is passed as zero to userspace 2023-05-11 18:28:32 +03:00
Bananymous 7543fadfa8 LibC: printf now prints 0 as integer 2023-05-11 18:20:37 +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 729ff267d7 LibC: add function declarations to sys/stat.h 2023-05-11 15:11:33 +03:00
Bananymous d9be14e1fb LibC: add function declarations to dirent.h 2023-05-11 01:42:52 +03:00
Bananymous 8a9f9b07e7 LibC: add definitions to math.h 2023-05-11 01:40:42 +03:00
Bananymous c989a01913 LibC: add defines in stdio.h 2023-05-11 01:39:16 +03:00
Bananymous 5188efcc57 LibC: add function declarations to unistd.h 2023-05-11 00:34:03 +03:00
Bananymous c05a5b796b LibC: add function declarations to string.h 2023-05-11 00:34:03 +03:00
Bananymous f0058e67c2 LibC: add function declarations to math.h 2023-05-11 00:34:03 +03:00
Bananymous 508d6311de LibC: define all errnos and strerror{name,desk}_np 2023-05-11 00:34:03 +03:00
Bananymous 7c6bf40d0d LibC: add function declarations to time.h 2023-05-11 00:34:03 +03:00
Bananymous a74343c589 LibC: add more types to sys/types.h 2023-05-11 00:33:53 +03:00
Bananymous d188576ef3 LibC: Add dummy signal.h 2023-05-10 23:20:27 +03:00
Bananymous d922c5e1d0 LibC: add toupper, tolower in ctype.h 2023-05-10 23:13:56 +03:00
Bananymous 0adf24fcad LibC: Add dummy setjmp.h 2023-05-10 23:00:53 +03:00
Bananymous 80e13965d9 LibC: Add dummy locale.h 2023-05-10 22:58:07 +03:00
Bananymous 36707ec87a LibC: implement printf conversions e, E, f, F 2023-05-10 22:36:03 +03:00
Bananymous 5f89f083a2 LibC: add math.h with floorl 2023-05-10 22:35:42 +03:00
Bananymous 0d9422ead8 BAN: add pow, log2, log10, log in math 
These are implemented using x86 floating point assembly
 2023-05-10 19:03:33 +03:00
Bananymous cae0a1cc60 LibC: add working f modifier to printf 
This is implementation will write out of bounds if the conversion
takes more than 1024 characters (either super large number or very
big percision).

Also we dont handle NaN and infinity cases
 2023-05-10 15:43:42 +03:00
Bananymous 480d92fce5 LibC: add better error string support 2023-05-10 02:22:31 +03:00
Bananymous 49fe3d0d4f LibC: add probably functional *printf 
I wrote a general printf function that takes an putc function
pointer. We can use this to implement all the printf family
functions. I haven't done thorough testing with this, but it seems
to be functional for the most part
 2023-05-10 02:00:28 +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 0cc1fb53d5 LibC: Fix bug in *printf 2023-05-09 20:30:12 +03:00
Bananymous 512be884ed Kernel: Add barebones GeneralAllocator for >4096B 2023-05-08 22:10:49 +03:00
Bananymous f1667b398a Kernel: FixedWidthAllocator operates on MMU 
Instead of Process* we use MMU& in FixedWidthAllocator since it is
everything it actually needs :)
 2023-05-08 00:06:56 +03:00