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Commit Graph

159 Commits

Author SHA1 Message Date
Stephen Marz
c99bff8944 Use zalloc to clear page tables. 2019-11-28 12:02:37 -05:00
Stephen Marz
c5179e60d6 Added virtual memory allocation. 2019-11-28 12:01:52 -05:00
Stephen Marz
26e37d33d3 Added comments to process 2019-11-27 23:42:50 -05:00
Stephen Marz
d0c3c9ff6e Add Process structure and routines. 2019-11-27 17:02:07 -05:00
Stephen Marz
4ec1301e8f Added chapter 6 2019-11-27 12:59:29 -05:00
Stephen Marz
b9158e5ef7 Added comments for plic. 2019-11-18 19:30:19 -05:00
Stephen Marz
5ca14d6e65 Added comments, moved UART 2019-11-18 19:21:32 -05:00
Stephen Marz
61bb8f3a43 Added comments 2019-11-18 19:19:05 -05:00
Stephen Marz
7faf580765 Added PLIC 2019-11-18 19:14:16 -05:00
Stephen Marz
fb86ff06da Added PLIC 2019-11-18 19:14:08 -05:00
Stephen Marz
03ff50ef30 Added PLIC 2019-11-18 19:13:52 -05:00
Stephen Marz
b3cd92dc41 Added comments 2019-11-10 09:20:40 -05:00
Stephen Marz
e2dfa8661f Remove public constants 2019-11-04 15:35:24 -05:00
Stephen Marz
f7547d5c59 Add comments about pointer arithmetic. 2019-11-04 15:27:56 -05:00
Stephen Marz
783cdcfc3b Remove if statement--let boolean condition stand 2019-11-04 15:26:47 -05:00
Stephen Marz
0c71107da8 Add PLIC functions 2019-11-04 15:25:27 -05:00
Stephen Marz
49d8d6666a Start chapter 5 2019-11-04 13:14:28 -05:00
Stephen Marz
f13948d5c0 Fixed typos, updates. 2019-11-04 13:04:00 -05:00
Stephen Marz
6cbf12ada9 Updates to pages 2019-11-03 21:26:39 -05:00
Stephen Marz
6cc5cba4b8 Added return_pc as mutable 2019-11-03 21:23:30 -05:00
Stephen Marz
07dffe1823 added ecall printf 2019-11-03 21:21:43 -05:00
Stephen Marz
175c4fc7eb Added timer reset in async 7 2019-11-03 21:17:29 -05:00
Stephen Marz
4211090d17 Fixed typos 2019-11-03 19:08:35 -05:00
Stephen Marz
a76745278e Fixed unit type 2019-11-03 19:07:42 -05:00
Stephen Marz
ac5e41ceb4 Update comments 2019-11-03 19:06:38 -05:00
Stephen Marz
79a6500c0b Rename stat to status 2019-11-03 19:03:10 -05:00
Stephen Marz
5a8523099a Added epc to trap 3 and 11 2019-11-03 19:00:46 -05:00
Stephen Marz
efaecf96d6 Fixed typo 2019-11-03 19:00:24 -05:00
Stephen Marz
ee5094d821 Added shell traps 2019-11-03 19:00:14 -05:00
Stephen Marz
ccad138c03 Changed trap to machine-only 2019-11-03 18:56:43 -05:00
Stephen Marz
d8b0313842 Remove s_trap in ASM 2019-11-03 18:41:21 -05:00
Stephen Marz
bb64443076 Remove s_trap 2019-11-03 18:41:07 -05:00
Stephen Marz
aaad7c1cec Added comments and updates to traps 2019-11-02 02:44:40 -04:00
Stephen Marz
6f333bd8f0 Ran rustfmt 2019-10-27 16:03:37 -04:00
Stephen Marz
0b2506e8e5 Updates for ch4 2019-10-27 16:03:12 -04:00
Stephen Marz
b95aacadb4 Changed SATP fence functions 2019-10-25 18:39:59 -04:00
Stephen Marz
7e3d97b908 Fixed mapping kernel stack 2019-10-21 13:19:52 -04:00
Stephen Marz
ce0cc7df11 Fixed mapping kernel stack 2019-10-21 13:19:13 -04:00
Stephen Marz
eb2b9a6aca Fixed stack location, mapping 2019-10-14 22:15:03 -04:00
Stephen Marz
fb4f3eea91 Fixed stack location, mapping 2019-10-14 22:12:44 -04:00
Stephen Marz
9baea58551 Added cpu.rs for CPU routines. Changed context-switch code. 2019-10-14 21:23:20 -04:00
Stephen Marz
731e428f66 Added timer reset in trap 2019-10-14 16:22:13 -04:00
Stephen Marz
3c99c5cffa Switched to using mret for trap 2019-10-14 16:14:42 -04:00
Stephen Marz
ccaf9b6a5c Switched to using mret for trap 2019-10-14 16:14:22 -04:00
Stephen Marz
a10926df76 Change C++ to Rust 2019-10-12 21:33:27 -04:00
Stephen Marz
e82192913f Change C++ to Rust 2019-10-12 21:32:57 -04:00
Stephen Marz
1411743210 Added chapter 4 2019-10-12 20:42:55 -04:00
Stephen Marz
a8079377dd Merge branch 'next' 2019-10-12 19:13:42 -04:00
Stephen Marz
03e34ebf96 Added comments, switched KERNEL_TABLE to data section 2019-10-12 19:12:50 -04:00
Stephen Marz
88f5cb514f Map heap descriptors 2019-10-12 00:11:24 -04:00