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713 Commits

Author SHA1 Message Date
Bananymous a378e59432 BuildSystem: link libraries when they change 
This also fixed the need for manual linkin on firt build
 2023-05-31 23:01:40 +03:00
Bananymous a75a3f7a5f Userspace: make test program link against libc on change 2023-05-31 22:36:47 +03:00
Bananymous 0f412e570c LibC: add execl 2023-05-31 22:36:26 +03:00
Bananymous 1daa1f5611 Kernel: Cleanup exec code 2023-05-31 22:36:05 +03:00
Bananymous 24a190d1f7 Kernel: Add SYS_EXEC syscall 2023-05-31 20:57:33 +03:00
Bananymous b48b239882 Kernel: Implement Process::exec() 2023-05-31 20:56:29 +03:00
Bananymous 5fb69300ca Kernel: Move userspace entry functions to Process instead of Thread 2023-05-31 19:31:10 +03:00
Bananymous dcb23f686f Kernel: boot.S maps GiB as single pdpte 2023-05-31 00:51:15 +03:00
Bananymous 650570e57d Kernel: Fix comment 2023-05-31 00:51:15 +03:00
Bananymous 1f5a36f074 Kernel: PageTable destructor works now 
we are successfully booting higher half kernel now :)
 2023-05-31 00:44:14 +03:00
Bananymous aeaf2cd3f1 Kernel: PageTable::create_userspace() now works 2023-05-31 00:44:14 +03:00
Bananymous 959c0fc572 Kernel: kmalloc free error prints the pointer 2023-05-31 00:34:56 +03:00
Bananymous e3d3788f28 Kernel: RSDP location is now done with virtual addresses 2023-05-31 00:34:21 +03:00
Bananymous 850b7f27a2 Kernel: Physical range now calculates RAM with physical addresses 2023-05-31 00:33:44 +03:00
Bananymous 0939f23b04 Kernel: Heap gets multiboot pointer with P2V 2023-05-30 23:57:44 +03:00
Bananymous 67886b0c5a Kernel: Move V2P and P2V to Memory/Types.h 2023-05-30 23:57:03 +03:00
Bananymous 56eb6fb4ce Kernel: PageTable::map_range_at maps correctly the last page 2023-05-30 23:56:07 +03:00
Bananymous 81cf389754 Kernel: Booting with higher half kernel gets to Heap initialization 2023-05-30 22:21:12 +03:00
Bananymous 0907965dc5 Kernel: start work on higher half kernel 2023-05-30 08:00:17 +03:00
Bananymous 79315d318c Toolchain: lib gcc is wuild with mcmodel=large 2023-05-30 07:59:41 +03:00
Bananymous e8f820ef8d LibC: Fix some headers to make gcc build again 2023-05-30 01:17:45 +03:00
Bananymous 210d90ec79 Kernel: We now identity map full GiB in boot.S 
The paging structure is pre-built so no unnecessary calculations are done
 2023-05-30 00:08:52 +03:00
Bananymous 8bea18a6f2 Kernel: Remove unused includes of CriticalScope 2023-05-29 21:15:55 +03:00
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