Bananymous
8352392b38
Kernel: You can specify first vaddr for getting free pages
2023-06-04 01:15:48 +03:00
Bananymous
dc1aff58ed
Kernel: PAGE_FLAG_MASK is now only 0xF
...
We don't care currenly about anything but the last few bits
2023-06-03 20:08:13 +03:00
Bananymous
9f75d9cfe5
Kernel: PageTable now has debug_dump
...
This dumps all the mapped pages and their flags
2023-06-03 20:08:13 +03:00
Bananymous
a42af7e973
Kernel: boot.S is back to 2 MiB pages
...
bochs doesn't seem to support 1 GiB pages
2023-06-03 18:53:36 +03:00
Bananymous
a4cb5d8360
Kernel: Inode/Device detection is done with overridden bool functions
2023-06-03 13:28:15 +03:00
Bananymous
da7f09cf82
Kernel: Heap will return 0 if no free page is available
2023-06-03 02:55:31 +03:00
Bananymous
0166af472b
Kernel: DiskCache will try to shrink_to_fit after cache cleanup
2023-06-03 02:55:22 +03:00
Bananymous
884d986bd6
Kernel: DiskCache won't crash when running out of kmalloc memory
2023-06-03 02:36:20 +03:00
Bananymous
59b807189f
Kernel: add basic disk cache
...
ATADevices now add disk cache to themselves
2023-06-03 02:23:14 +03:00
Bananymous
fb1c7015b1
Kernel: Shell 'memory' now prints heap memory usage
2023-06-03 02:22:18 +03:00
Bananymous
9bd4d68f9c
Kernel: Shell ls and stat now properly show symlinks
2023-06-02 18:22:56 +03:00
Bananymous
633cb4f282
Kernel: VFS now has max link depth of 100
2023-06-02 12:50:40 +03:00
Bananymous
4d4d0e26a9
Kernel: Symlinks are now working
...
We still have to implement loop or depth detection
2023-06-02 11:43:46 +03:00
Bananymous
0ffd2a5c1d
Kernel: Shell can now list symlinks
2023-06-01 00:25:53 +03:00
Bananymous
232fdcb82c
Kernel: add basic support for symlinks
2023-06-01 00:24:45 +03:00
Bananymous
0ccc23d544
Kernel: Shell opens standard files
2023-05-31 23:14:15 +03:00
Bananymous
02f0239016
Kernel: Cleanup exec code
2023-05-31 22:36:05 +03:00
Bananymous
ab61b49aca
Kernel: Add SYS_EXEC syscall
2023-05-31 20:57:33 +03:00
Bananymous
4da1d6fd27
Kernel: Implement Process::exec()
2023-05-31 20:56:29 +03:00
Bananymous
909e847369
Kernel: Move userspace entry functions to Process instead of Thread
2023-05-31 19:31:10 +03:00
Bananymous
eafa09fecf
Kernel: boot.S maps GiB as single pdpte
2023-05-31 00:51:15 +03:00
Bananymous
8175348284
Kernel: Fix comment
2023-05-31 00:51:15 +03:00
Bananymous
b2832cb47a
Kernel: PageTable destructor works now
...
we are successfully booting higher half kernel now :)
2023-05-31 00:44:14 +03:00
Bananymous
9f499991c8
Kernel: PageTable::create_userspace() now works
2023-05-31 00:44:14 +03:00
Bananymous
9a416e8ae8
Kernel: kmalloc free error prints the pointer
2023-05-31 00:34:56 +03:00
Bananymous
911922c6a3
Kernel: RSDP location is now done with virtual addresses
2023-05-31 00:34:21 +03:00
Bananymous
1f2fd59ad5
Kernel: Physical range now calculates RAM with physical addresses
2023-05-31 00:33:44 +03:00
Bananymous
708d401d2c
Kernel: Heap gets multiboot pointer with P2V
2023-05-30 23:57:44 +03:00
Bananymous
ed0dcacab3
Kernel: Move V2P and P2V to Memory/Types.h
2023-05-30 23:57:03 +03:00
Bananymous
e86050f343
Kernel: PageTable::map_range_at maps correctly the last page
2023-05-30 23:56:07 +03:00
Bananymous
57f7da6ce1
Kernel: Booting with higher half kernel gets to Heap initialization
2023-05-30 22:21:12 +03:00
Bananymous
93e6455171
Kernel: start work on higher half kernel
2023-05-30 08:00:17 +03:00
Bananymous
265fe9c62e
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
3b9d60d7cb
Kernel: Remove unused includes of CriticalScope
2023-05-29 21:15:55 +03:00
Bananymous
278b873e89
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
e640344d7a
Kernel: Rename MMU to PageTable
...
This is more descriptive name for what it actually represents
2023-05-29 21:06:09 +03:00
Bananymous
7151bb86a8
Kernel/LibC: opening standard files is done in libc
2023-05-29 20:21:19 +03:00
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
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