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1340 Commits

Author SHA1 Message Date
Bananymous 861966eed6 Kernel: Remove unnecessary usages of PageTableScope 
This should be used as few times as possible since it calls 'cli'
 2023-05-29 21:11:29 +03:00
Bananymous 5bb1f2a48c Kernel: Rename MMU to PageTable 
This is more descriptive name for what it actually represents
 2023-05-29 21:06:09 +03:00
Bananymous fb17af4844 Kernel/LibC: opening standard files is done in libc 2023-05-29 20:21:19 +03:00
Bananymous 9a8512887f LibC: open() now just returns syscall(SYS_OPEN, ...) 
errno is handled in syscall()
 2023-05-29 20:19:17 +03:00
Bananymous b8ec8918b7 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 ff83f967d8 Kernel: Make RecursiveSpinLock thread safe 
also SpinLock is now implemented with gcc builtins
 2023-05-29 19:38:09 +03:00
Bananymous 998999a755 Kernel: Add SYS_SLEEP 2023-05-28 22:34:48 +03:00
Bananymous 09666adc53 Kernel: fork() now copies allocations through FixedWidthAllocator 2023-05-28 21:34:35 +03:00
Bananymous ec73db0057 Kernel: Move page macros to Types.h 2023-05-28 21:03:08 +03:00
Bananymous 833642d405 Kernel: ISR will now crash userspace process instead of panicing kernel 2023-05-28 20:53:10 +03:00
Bananymous f04399c3a0 Kernel: fork() now copies allocation done through GeneralAllocator 2023-05-28 20:37:39 +03:00
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