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886 Commits

Author SHA1 Message Date
Bananymous 3d95cf02f3 Kernel: We can't lock the MMU lock in load() 
It needs to be callable always by scheduler
 2023-05-29 19:39:35 +03:00
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