100 Commits

Author	SHA1	Message	Date
Philipp Oppermann	e1d2af5ea7	Rename interrupts.rs to interrupts/mod.rs	2017-11-19 14:24:27 +01:00
Philipp Oppermann	a05db759d7	Create a TSS and save the double fault stack pointer it its IST	2017-11-19 14:24:27 +01:00
Philipp Oppermann	00bbd6fbc6	Pass the memory controller to interrupts::init and use it to create a double fault stack	2017-11-19 14:24:27 +01:00
Philipp Oppermann	f1459a552c	Return a memory controller from memory::init	2017-11-19 14:24:27 +01:00
Philipp Oppermann	73d4390f27	Create a memory manager for convenience	2017-11-19 14:23:45 +01:00
Philipp Oppermann	0e3857ca50	Create a stack allocator module	2017-11-19 14:23:45 +01:00
Philipp Oppermann	3efe54169e	Provoke a stack overflow, which still causes a boot loop	2017-11-19 14:23:45 +01:00
Philipp Oppermann	2b9d880e48	Add a double fault handler	2017-11-19 14:23:45 +01:00
Philipp Oppermann	91ffde4728	Trigger a double fault by causing a page fault	2017-11-19 14:23:45 +01:00
Philipp Oppermann	93aff8cfa8	Test our exception handler by invoking a breakpoint exception	2017-11-19 14:22:24 +01:00
Philipp Oppermann	fab320271a	Create and load an IDT	2017-11-19 14:21:51 +01:00
Philipp Oppermann	7becaf5f30	Add a dependency on lazy_static	2017-11-19 14:21:51 +01:00
Philipp Oppermann	3bbc2a0bdc	Add a simple handler function for the breakpoint exception	2017-11-19 14:21:36 +01:00
Philipp Oppermann	c2d22af1c7	Create a new interrupts module	2017-11-19 14:21:12 +01:00
Philipp Oppermann	ad211de615	Use linked list allocator instead of bump allocator	2017-11-19 14:20:46 +01:00
Philipp Oppermann	01f8c43ffb	Map the heap pages to physical frames	2017-11-19 14:20:46 +01:00
Philipp Oppermann	f2bbe43099	Use once crate to ensure that memory::init is only called once	2017-11-19 14:20:45 +01:00
Philipp Oppermann	76550dcd95	Refactor: Move memory initialization to memory::init function	2017-11-19 14:20:45 +01:00
Philipp Oppermann	c0d403abbe	Set a global allocator	2017-11-19 14:20:45 +01:00
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	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	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