153 Commits

Author	SHA1	Message	Date
Philipp Oppermann	d2060e76f8	Create a GDT descriptor struct	2017-11-19 14:24:33 +01:00
Philipp Oppermann	f651987666	Add a dependency on bit_field	2017-11-19 14:24:33 +01:00
Philipp Oppermann	eea8c10a97	Create a interrupts::gdt submodule	2017-11-19 14:24:27 +01:00
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
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	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
Philipp Oppermann	98d97703f4	Calculate start and end of kernel and multiboot struct	2017-11-19 10:39:13 +01:00
Philipp Oppermann	402ec77bc0	Reduce number of ELF section by merging .text.* (etc.) sections together	2017-11-19 10:39:13 +01:00
Philipp Oppermann	9a86f60835	Print kernel ELF sections	2017-11-19 10:39:13 +01:00
Philipp Oppermann	cbc9e112bd	Print a proper message on panics	2017-11-19 10:39:13 +01:00
Philipp Oppermann	f231f2c7f2	Print available memory areas	2017-11-19 10:39:13 +01:00
Philipp Oppermann	5f65e1d31f	Add dependency on multiboot2 crate	2017-11-19 10:39:13 +01:00
Philipp Oppermann	28ce5310c8	Pass address of multiboot info structure to rust_main	2017-11-19 10:39:13 +01:00
Philipp Oppermann	08a4e795a4	Increase stack size to 16k	2017-11-19 10:39:13 +01:00
Philipp Oppermann	9f448fbe0e	Avoid deadlock on nested print! invokation	2017-11-19 10:39:05 +01:00
Philipp Oppermann	59b8133396	Add print! and println! macros and a clear_screen function	2017-11-19 10:39:05 +01:00
Philipp Oppermann	40aed4fa0f	Create a static WRITER protected by a spinlock	2017-11-19 10:39:05 +01:00
Philipp Oppermann	f24c7bc322	Implement the new_line method	2017-11-19 10:31:00 +01:00
Philipp Oppermann	5e0ccd5aa5	Implement the fmt::Write trait and print something with the write! macro	2017-11-19 10:31:00 +01:00
Philipp Oppermann	578717a9b8	Add a write_str method and print “Hello!”	2017-11-19 10:31:00 +01:00
Philipp Oppermann	0ed21fb943	Use volatile writes for printing to screen	2017-11-19 10:31:00 +01:00
Philipp Oppermann	6aa3f67331	Add a print_something function to print an H in the lower left	2017-11-19 10:30:48 +01:00
Philipp Oppermann	46d47f8d2e	Create a Writer struct with a write_byte function	2017-11-19 10:30:48 +01:00
Philipp Oppermann	afc2c26a9d	Create a vga_buffer module	2017-11-19 10:30:48 +01:00
Philipp Oppermann	bef5f13560	Print a “Hello World!” in Rust	2017-11-19 10:30:36 +01:00
Philipp Oppermann	ff623a90e3	Use --gc-sections to remove unused program sections	2017-11-19 10:30:36 +01:00
Philipp Oppermann	5d8758df59	Add a dependency on rlibc	2017-11-18 11:10:17 +01:00
Philipp Oppermann	ca2ccc31aa	Call the rust_main function from assembly	2017-11-18 11:10:17 +01:00
Philipp Oppermann	8e5a85ece4	Create a new no_std cargo project	2017-05-12 21:31:28 +02:00
Philipp Oppermann	9136a7b66f	Zero all segment registers	2017-05-12 21:31:28 +02:00
Philipp Oppermann	415d27814f	Do a far jump to long mode and print OKAY	2017-05-12 21:31:28 +02:00
Philipp Oppermann	e684bfd262	Create and load a 64-bit GDT	2017-05-12 21:31:28 +02:00
Philipp Oppermann	936e2073a9	Enable paging	2017-05-12 21:31:24 +02:00
Philipp Oppermann	b199b02578	Set up page tables for identity mapping	2017-05-12 21:31:24 +02:00
Philipp Oppermann	90e716827a	Check multiboot magic number and for CPUID/long mode support	2017-05-12 21:31:24 +02:00
Philipp Oppermann	9819e17a28	Create and load a stack	2017-05-12 21:31:24 +02:00
Philipp Oppermann	5ebdd89ffb	Add an error function	2017-05-12 21:31:24 +02:00