37 Commits

Author	SHA1	Message	Date
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
Dr. Koutheir Attouchi	b6f9be4bbb	More comments on what's going on	2019-10-06 17:52:59 +02:00
Dr. Koutheir Attouchi	68e33189fd	Commenting what's being done	2019-10-06 17:16:42 +02:00
Stephen Marz	0b2cbfcb35	Closes issue #5 : Added comments to virt.lds to explain what each section does.	2019-10-06 11:06:51 -04:00
Stephen Marz	33d27d9efa	Use byte iterator	2019-10-05 00:18:24 -04:00
Stephen Marz	691c5b1653	Go back to 8000_0000	2019-10-04 14:11:32 -04:00
Stephen Marz	7a55de2601	Parse out words for initialization	2019-10-04 08:25:39 -04:00
Stephen Marz	14f67420e0	Remove stop bits	2019-10-03 22:07:43 -04:00
Stephen Marz	661ccca9d0	Updates to chapter 2	2019-10-03 21:56:19 -04:00
Stephen Marz	10c493738e	Added chapter 2	2019-10-02 08:41:58 -04:00
Stephen Marz	1402b8c8bd	Fixes issue #1 - assembly trap vector has been added and commented ... to give context to what it will do in the future.	2019-09-29 08:04:36 -04:00
Stephen Marz	e5190b7dc4	The original OS won't compile if the asm_trap_vector isn't there. It won't ... do anything, since we haven't gotten that far, yet, but it needs to at least be a symbol for the linker to have.	2019-09-29 08:00:12 -04:00
Stephen Marz	1dea574177	Rust gets a little mad with the three forward-slashes /// due to ... rustdoc. So, these were spaced out to look like normal comments.	2019-09-29 07:59:45 -04:00
Stephen Marz	f110f25ad8	Added make_hdd.sh to make hdd.dsk	2019-09-27 13:19:51 -04:00
Stephen Marz	a9bbdf8554	Added chapters 0 and 1	2019-09-27 13:17:29 -04:00