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
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
6acb86c14b
Kernel: MMU keeps track of the current
2023-05-16 00:26:39 +03:00
Bananymous
512be884ed
Kernel: Add barebones GeneralAllocator for >4096B
2023-05-08 22:10:49 +03:00
Bananymous
f36b94d039
Kernel: MMU can now provide info about virtual address space
2023-05-06 17:34:22 +03:00
Bananymous
e7a170c89f
Kernel: 64 bit MMU now properly identity maps kernel
2023-05-05 14:19:28 +03:00
Bananymous
55bb0084aa
Kernel: namespace and function renames
...
MMU moved to namespace kernel
Kernel::Memory::Heap moved to just Kernel
MMU::map_{page,range} renamed to identity_map_{page,range}
Add MMU::get_page_flags
2023-04-28 14:48:38 +03:00
Bananymous
b1c7af38d0
Kernel: Add barebones per process virtual addresses
...
We now assign every (userspace) process its own MMU which we load
in scheduler. This allows every process to have separate virtual
address space.
This is very hackish implementations but it works for now
2023-04-20 00:45:41 +03:00
Bananymous
ea0c9b639f
Kernel: Add some bareboness functionality to map virtual addresses
2023-04-19 23:51:36 +03:00
Bananymous
0030f035be
Kernel: Rename MMU::{un,}allocate... to MMU::{un,}map
...
This is more appropriate name for the behaviour :D
2023-04-19 21:50:30 +03:00
Bananymous
6a3b3213cf
Kernel: Kmalloc now has its memory statically allocated
...
We don't use the memory map given by bootloader since this automatically
maps the memory to a available space.
2023-04-18 10:18:15 +03:00
Bananymous
fdb4eb6042
Kernel: Move kmalloc and MMU to Memory directory
2023-04-18 10:18:15 +03:00
Bananymous
06db890d49
Kernel: Add ubsan
...
My brain has been melting since I'm getting very random bugs.
I hope I can debug them better with ubsan :)
2023-03-06 23:38:05 +02:00
Bananymous
9756de02ef
Kernel: MMU now takes flags when allocating pages
2023-03-01 21:21:56 +02:00
Bananymous
9b8de5025a
All: rename every function from UpperCamelCase to snake_case
...
This was a mess since I didn't know which to use but now I decided
to go with snake_case :)
2023-02-01 21:05:44 +02:00
Bananymous
1687028ed5
Kernel: Add constructor and destructor to MMU
2023-01-30 18:54:04 +02:00
Bananymous
35d2e27292
Kernel: Improve MMU
...
We don't have to invalidate page in AllocatePage() if we don't make
any changes. We also should not assert on deallocating non-present
pages, just return early :)
2023-01-26 02:57:14 +02:00
Bananymous
b315fdc27f
Kernel: Finally managed to get 64-bit working
...
I had weird problems with interrupts but everything should work now
2023-01-25 19:19:28 +02:00