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1085 Commits

Author SHA1 Message Date
Bananymous dd3f34cb2c Kernel: Make RecursiveSpinLock thread safe 
also SpinLock is now implemented with gcc builtins
 2023-05-29 19:38:09 +03:00
Bananymous 0c316ebfb2 Kernel: Add SYS_SLEEP 2023-05-28 22:34:48 +03:00
Bananymous 282bf24f65 Kernel: fork() now copies allocations through FixedWidthAllocator 2023-05-28 21:34:35 +03:00
Bananymous f964f6be8d Kernel: Move page macros to Types.h 2023-05-28 21:03:08 +03:00
Bananymous 0202ccec5f Kernel: ISR will now crash userspace process instead of panicing kernel 2023-05-28 20:53:10 +03:00
Bananymous 636c308993 Kernel: fork() now copies allocation done through GeneralAllocator 2023-05-28 20:37:39 +03:00
Bananymous 6fdbe6f9c2 Kernel: Add bareboness fork() function 2023-05-28 18:08:49 +03:00
Bananymous c19f4c019a Kernel: Add invalidate() to MMU 2023-05-28 18:05:49 +03:00
Bananymous 83eb3dc0cb Kernel: fix MMU::map_page_at() 
We used to only reassign if flags changed
 2023-05-28 17:57:05 +03:00
Bananymous 481c8406f3 LibC: fputs uses fputc instead of putc 2023-05-28 17:48:34 +03:00
Bananymous 0129619d9a Kernel: Processes and Threads use VirtualRange memory allocations 2023-05-28 17:48:34 +03:00
Bananymous e0479b291d Kernel: Move PhysicalRange to its own file and add VirtualRange 2023-05-28 17:48:34 +03:00
Bananymous b847d7dfd5 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 245dff8027 Shell: we now link BAN (we can't use it though) 2023-05-26 22:31:21 +03:00
Bananymous fed690a7f2 Kernel: Directory listing is working again 2023-05-26 22:31:21 +03:00
Bananymous 54d981120d Kernel: kmalloc debug_dump is marked [[maybe_unused]] 2023-05-26 22:31:21 +03:00
Bananymous f79250c4d4 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 78b62776d2 BAN: libban is now build into library dir 2023-05-26 22:31:21 +03:00
Bananymous bda4614783 BAN: Errors.h can be included from userspace 2023-05-26 22:31:21 +03:00
Bananymous 0ab3332ad3 Userspace: Start work on shell 2023-05-26 22:31:21 +03:00
Bananymous 9e0abbc2f0 Kernel: Add bareboness possibility to set termios 2023-05-26 22:31:21 +03:00
Bananymous 496adb61a4 Buildsystem: Fix userspace link order 2023-05-26 22:31:21 +03:00
Bananymous 4a4a3bf184 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 f33e78882e Kernel: Add argc and argv to process entry 2023-05-16 00:27:49 +03:00
Bananymous 0ff067bdb7 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 31ac3260ed Kernel: MMU keeps track of the current 2023-05-16 00:26:39 +03:00
Bananymous d82c6c2337 LibC: fix bugs with printf 2023-05-15 22:47:08 +03:00
Bananymous 632b699475 BAN: add is_arithmetic and is_signed to Traits.h 2023-05-15 20:26:29 +03:00
Bananymous 85039020d3 Kernel: argc is passed as zero to userspace 2023-05-11 18:28:32 +03:00
Bananymous 1a0fdc5a44 LibC: printf now prints 0 as integer 2023-05-11 18:20:37 +03:00
Bananymous fb1bab7c30 BuildSystem: add helper to create userspace programs 2023-05-11 18:10:06 +03:00
Bananymous 7eb43990ad BuildSystem: userspace has cmake target 2023-05-11 16:19:53 +03:00
Bananymous 53f4b5a9da LibC: add function declarations to sys/stat.h 2023-05-11 15:11:33 +03:00
Bananymous 1d4a6c3a42 LibC: add function declarations to dirent.h 2023-05-11 01:42:52 +03:00
Bananymous 40083e4aa1 LibC: add definitions to math.h 2023-05-11 01:40:42 +03:00
Bananymous bd929bff07 LibC: add defines in stdio.h 2023-05-11 01:39:16 +03:00
Bananymous cd4a0530fa LibC: add function declarations to unistd.h 2023-05-11 00:34:03 +03:00
Bananymous 273fdd2235 LibC: add function declarations to string.h 2023-05-11 00:34:03 +03:00
Bananymous b20f2e8d31 LibC: add function declarations to math.h 2023-05-11 00:34:03 +03:00
Bananymous e756cde2b1 LibC: define all errnos and strerror{name,desk}_np 2023-05-11 00:34:03 +03:00
Bananymous de18d3e64d LibC: add function declarations to time.h 2023-05-11 00:34:03 +03:00
Bananymous 441999ba9f LibC: add more types to sys/types.h 2023-05-11 00:33:53 +03:00
Bananymous dd046b1ace LibC: Add dummy signal.h 2023-05-10 23:20:27 +03:00
Bananymous 926aa238ab LibC: add toupper, tolower in ctype.h 2023-05-10 23:13:56 +03:00
Bananymous 01fa521a03 LibC: Add dummy setjmp.h 2023-05-10 23:00:53 +03:00
Bananymous f31da19266 LibC: Add dummy locale.h 2023-05-10 22:58:07 +03:00
Bananymous 48edc38817 LibC: implement printf conversions e, E, f, F 2023-05-10 22:36:03 +03:00
Bananymous ac12132ac0 LibC: add math.h with floorl 2023-05-10 22:35:42 +03:00
Bananymous 13fabcc1f1 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 67005a80be 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