Commit graph

10 commits

Author SHA1 Message Date
Andreas Kling
e29fd3cd20 Kernel: Display virtual addresses as V%p instead of L%x
The L was a leftover from when these were called linear addresses.
2019-08-26 11:31:58 +02:00
Andreas Kling
2ad963d261 Kernel: Add mapping from page directory base (PDB) to PageDirectory
This allows the page fault code to find the owning PageDirectory and
corresponding process for faulting regions.

The mapping is implemented as a global hash map right now, which is
definitely not optimal. We can come up with something better when it
becomes necessary.
2019-08-06 11:30:26 +02:00
Andreas Kling
27f699ef0c AK: Rename the common integer typedefs to make it obvious what they are.
These types can be picked up by including <AK/Types.h>:

* u8, u16, u32, u64 (unsigned)
* i8, i16, i32, i64 (signed)
2019-07-03 21:20:13 +02:00
Sergey Bugaev
d900fe98e2 VM: Remove PhysicalPage::create_eternal().
Now that it is possible to create non-eternal non-freeable
pages, PageDirectory can do just that.
2019-06-14 16:14:49 +02:00
Andreas Kling
e42c3b4fd7 Kernel: Rename LinearAddress => VirtualAddress. 2019-06-07 12:56:50 +02:00
Andreas Kling
bc951ca565 Kernel: Run clang-format on everything. 2019-06-07 11:43:58 +02:00
Andreas Kling
02e21de20a VM: Always flush TLB for kernel page directory changes.
Since the kernel page directory is inherited by all other page directories,
we should always flush the TLB when it's updated.
2019-06-01 17:25:36 +02:00
Andreas Kling
7afc0fb9c8 Kernel: Forked children should inherit their RangeAllocator by copy.
Otherwise we'll start handing out addresses that are very likely already in
use by existing ranges.
2019-05-22 13:24:28 +02:00
Andreas Kling
bcc6ddfb6b Kernel: Let PageDirectory own the associated RangeAllocator.
Since we transition to a new PageDirectory on exec(), we need a matching
RangeAllocator to go with the new directory. Instead of juggling this in
Process and MemoryManager, simply attach the RangeAllocator to the
PageDirectory instead.

Fixes #61.
2019-05-20 04:46:29 +02:00
Andreas Kling
b9738fa8ac Kernel: Move VM-related files into Kernel/VM/.
Also break MemoryManager.{cpp,h} into one file per class.
2019-04-03 15:13:07 +02:00