697 Commits

This Branch

This Branch

All Branches

Author	SHA1	Message	Date
Philipp Oppermann	9dc998222a	Make the bump allocator lock free and impl Alloc for shared reference	2017-11-19 14:20:45 +01:00
Philipp Oppermann	1f6633fe44	Add a heap_allocator module with a basic bump allocator	2017-11-19 14:20:45 +01:00
Philipp Oppermann	5f017124dd	Add a dependency on the alloc crate	2017-11-19 14:20:45 +01:00
Philipp Oppermann	36369cfbe2	Update Readme for “Kernel Heap” post	2017-11-19 14:20:45 +01:00
Philipp Oppermann	c6dd37dcc5	Turn page of old P4 into guard page	2017-11-19 11:44:50 +01:00
Philipp Oppermann	2a3ce863fd	Enable write protect bit to improve safety	2017-11-19 11:44:50 +01:00
Philipp Oppermann	ffaddeb84e	Fix boot loop by enabling the NXE bit in the EFER register	2017-11-19 11:44:50 +01:00
Philipp Oppermann	0ce2b46ad1	Use the correct entry flags for kernel sections	2017-11-19 11:44:50 +01:00
Philipp Oppermann	11993b7e15	Also identity map the multiboot info structure	2017-11-19 11:44:50 +01:00
Philipp Oppermann	fdacfb24f0	Fix boot loop by identity mapping the vga buffer	2017-11-19 11:44:50 +01:00
Philipp Oppermann	564c6b64e9	Switch to the new page table after mapping all sections	2017-11-19 11:44:50 +01:00
Philipp Oppermann	fa3b572d68	Only print kernel/multiboot start/end in rust_main	2017-11-19 11:44:50 +01:00
Philipp Oppermann	40f1732ccb	Call remap_the_kernel from rust_main	2017-11-19 11:44:49 +01:00
Philipp Oppermann	5d898d8474	Page align all sections as they will be individually mapped	2017-11-19 11:44:49 +01:00
Philipp Oppermann	e029eabe18	Add a remap_the_kernel function	2017-11-19 11:44:49 +01:00
Philipp Oppermann	60d7c736a5	Add a (now safe) with method	2017-11-19 11:44:49 +01:00
Philipp Oppermann	2f30b0f7cf	Create a new ActivePageTable struct that derefs to Mapper	2017-11-19 11:44:49 +01:00
Philipp Oppermann	ce9c4d6e43	Refactor: Move ActivePageTable to new mapper submodule and rename to Mapper	2017-11-19 11:44:49 +01:00
Philipp Oppermann	4160cb6d7e	Begin creating an ActivePageTable::with function	2017-11-19 11:42:33 +01:00
Philipp Oppermann	b2e79752fd	Fix InactivePageTable::new function using a temporary page	2017-11-19 11:42:33 +01:00
Philipp Oppermann	11ae7e8aeb	Create a temporary_page module	2017-11-19 11:42:33 +01:00
Philipp Oppermann	1737f48284	Create a InactivePageTable struct	2017-11-19 11:42:33 +01:00
Philipp Oppermann	1f1f6c62da	Derive Copy and Clone for Page and add a Frame::clone method	2017-11-19 11:42:33 +01:00
Philipp Oppermann	bb3f17c0b9	Update Readme for “Remap the Kernel” post	2017-11-19 11:42:33 +01:00
Philipp Oppermann	1007c5157d	Remove paging testing code again	2017-11-19 11:42:16 +01:00
Philipp Oppermann	55e602dc61	Fix unmap function by flushing the TLB	2017-11-19 11:42:16 +01:00
Philipp Oppermann	eb5c9afa51	Add a dependency on the x86_64 crate	2017-11-19 11:42:16 +01:00
Philipp Oppermann	0ee4ed738a	Test the unmap function (it doesn't work correctly)	2017-11-19 11:42:16 +01:00
Philipp Oppermann	b49cb6986c	Test the map_to function	2017-11-19 11:42:16 +01:00
Philipp Oppermann	15c9f43622	Add an (unfinished) unmap method	2017-11-19 11:42:16 +01:00
Philipp Oppermann	3696c7bacb	Add map and identity_map functions for convenience	2017-11-19 11:42:16 +01:00
Philipp Oppermann	bb473c7907	Make translate and map_to safe by making them methods of a new ActivePageTable struct	2017-11-19 11:42:16 +01:00
Philipp Oppermann	dedf6e8959	Add a map_to function	2017-11-19 11:42:16 +01:00
Philipp Oppermann	83d56aa9de	Add translate and translate_page functions	2017-11-19 11:42:16 +01:00
Philipp Oppermann	a7170a4a44	Use type system tricks to make next_table methods safe	2017-11-19 11:42:16 +01:00
Philipp Oppermann	0874625269	Add methods to retrieve a (mutual) reference to the next table	2017-11-19 10:39:17 +01:00
Philipp Oppermann	3706331a43	Add a P4 constant and a Table::next_table_address method	2017-11-19 10:39:17 +01:00
Philipp Oppermann	8fcea7951b	Recursive map the P4 table	2017-11-19 10:39:17 +01:00
Philipp Oppermann	e50d70c02e	Add a Table::zero method to clear all entries	2017-11-19 10:39:17 +01:00
Philipp Oppermann	2b7fa410fb	Implement the Index and IndexMut traits for Table	2017-11-19 10:39:17 +01:00
Philipp Oppermann	62d655fbdd	Create a memory::paging::table submodule with a Table struct	2017-11-19 10:39:17 +01:00
Philipp Oppermann	fe464463eb	Add pointed_frame and set methods to Entry	2017-11-19 10:39:17 +01:00
Philipp Oppermann	148d506629	Use bitflags to create an EntryFlags type	2017-11-19 10:39:17 +01:00
Philipp Oppermann	f957f2ecde	Add a dependency on the bitflags crate	2017-11-19 10:39:17 +01:00
Philipp Oppermann	c4c27c10e6	Create a memory::paging::entry submodule with an Entry struct	2017-11-19 10:39:17 +01:00
Philipp Oppermann	c7c02d7dca	Create a memory::paging module with a Page struct	2017-11-19 10:39:17 +01:00
Philipp Oppermann	9f84e37e1b	Update Readme for “Page Tables” post	2017-11-19 10:39:17 +01:00
Philipp Oppermann	9f1a69cafa	Create a new AreaFrameAllocator and allocate maximum number of frames	2017-11-19 10:39:13 +01:00
Philipp Oppermann	edb2e693da	Create an AreaFrameAllocator	2017-11-19 10:39:13 +01:00
Philipp Oppermann	84c337e6f0	Create a memory module with a Frame struct and FrameAllocator trait	2017-11-19 10:39:13 +01:00