39 Commits

Author	SHA1	Message	Date
Stephen Marz	88f5cb514f	Map heap descriptors	2019-10-12 00:11:24 -04:00
Stephen Marz	86d1fa858b	Update id_map_range	2019-10-11 23:38:35 -04:00
Stephen Marz	8ec9fe3fb8	Update id_map_range	2019-10-11 23:38:23 -04:00
Stephen Marz	11bc25b670	Updates	2019-10-11 23:31:47 -04:00
Stephen Marz	aa4a5b1403	Revert "Format uart.rs" ... This reverts commit 72ea82b224.	2019-10-11 23:30:29 -04:00
Stephen Marz	4772efe99d	Created a larger pager which autodetects the range for GB, MB, and KB pages	2019-10-11 22:52:35 -04:00
Stephen Marz	72ea82b224	Format uart.rs	2019-10-10 08:46:16 -04:00
Stephen Marz	450a152b24	Add sanity check from kmalloc. Don't zero if it is null	2019-10-10 08:45:39 -04:00
Stephen Marz	a110d17355	Optimized LCR. Reading from MMIO is slower than overwriting	2019-10-10 08:34:31 -04:00
Stephen Marz	e89ad79cca	Fixed UART overriding bits	2019-10-10 08:01:39 -04:00
Stephen Marz	16d3e4e9fe	Added info to page allocation table.	2019-10-09 22:02:58 -04:00
Stephen Marz	d667e9c4d6	Added info to page allocation table.	2019-10-09 21:59:17 -04:00
Stephen Marz	deb5c972c2	Make id_map_range easier to read	2019-10-09 21:36:54 -04:00
Stephen Marz	5928b07621	Added comments, fixed formatting	2019-10-09 21:22:29 -04:00
Stephen Marz	1abe0bb336	Fixed over-sizing with kzmalloc	2019-10-09 20:58:31 -04:00
Stephen Marz	88abfb57f2	Fixed typos	2019-10-09 20:57:24 -04:00
Stephen Marz	c4b824dfa7	Fixed looping bug	2019-10-09 20:36:39 -04:00
Stephen Marz	99b98111a4	Added kzmalloc for zeroing allocated memory	2019-10-09 20:36:05 -04:00
Stephen Marz	19eac921db	Change to id_map_range	2019-10-09 20:27:45 -04:00
Stephen Marz	7a6ba92732	Ran rustfmt and removed dead code	2019-10-09 20:24:19 -04:00
Stephen Marz	8ad7d2c24c	Finished sret comparison	2019-10-09 20:21:25 -04:00
Stephen Marz	72f4ce8d46	Updated delegation and removed sie bit in favor of spie	2019-10-09 20:11:21 -04:00
Stephen Marz	3adc054e2d	Added _stack_start and _stack_end to map the stack space	2019-10-09 19:50:03 -04:00
Stephen Marz	d81c619e60	Removed unsafe for id_map_range, added comments	2019-10-09 19:44:39 -04:00
Stephen Marz	037e7044ac	No need for a space literal	2019-10-09 19:42:11 -04:00
Stephen Marz	5634c8342b	Remove drive..no need for it until block	2019-10-09 19:41:47 -04:00
Stephen Marz	6aff7529c2	Disable interrupts for duration of kinit(), reenable in supervisor mode	2019-10-09 18:35:14 -04:00
Stephen Marz	a2a94006f3	Added newline at the end of file, mapped all of PLIC and CLINT	2019-10-09 18:21:43 -04:00
Stephen Marz	982c4afb77	Switch to gcc so that a stage 1 build is sufficient (./do.sh 91)	2019-10-09 18:21:20 -04:00
Stephen Marz	5ad54c6299	Finished MMU, page allocation, and kmem allocation. Switched to supervisor mode in kmain()	2019-10-09 18:09:56 -04:00
Stephen Marz	7f00a999d3	Rename mem.rs to page.rs. We will make a localized allocator for mem.rs, later	2019-10-07 16:43:48 -04:00
Stephen Marz	4a6c58cda6	Added comments	2019-10-07 16:38:03 -04:00
Stephen Marz	d64cad37b9	Update boxed feel. Both are fine, just want to represent both ways to do this.	2019-10-07 16:33:38 -04:00
Stephen Marz	0fe8e027d3	Get rid of spurious mut	2019-10-07 16:33:07 -04:00
Stephen Marz	2937d95f71	Get rid of spurious mut	2019-10-07 16:32:16 -04:00
Stephen Marz	9aa757f9f2	Updates, added a table length	2019-10-07 16:31:27 -04:00
Stephen Marz	076dceff73	Added global allocator and tests	2019-10-07 16:03:39 -04:00
Stephen Marz	a321507a3b	Added chapter 3	2019-10-07 14:43:28 -04:00
Stephen Marz	77994f2289	Added chapter 3	2019-10-06 22:20:39 -04:00