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345 Commits 3 Branches 4 Tags 6.4 MiB
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345 Commits

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Author SHA1 Message Date
Stephen Marz
c6b261bf20 Added comments and reformatted using rustfmt 2020-03-12 13:36:50 -04:00
Stephen Marz
bc9158bd23 Changed the queue size to only take one page. 2020-03-12 13:36:18 -04:00
Stephen Marz
f5ce75dbe8 Finished setup, rearranged queue creation and testing bits. This makes it so we don't have to free anything if we fail after setting up the queue. 2020-03-12 13:36:08 -04:00
Stephen Marz
a32c6fc995 Updates 2020-03-11 17:09:09 -04:00
Stephen Marz
46a6296dec Added block specific routines and stub setup routine for block devices 2020-03-10 19:29:29 -04:00
Stephen Marz
39cb72ad9f Added virtio probing to kinit 2020-03-10 17:17:12 -04:00
Stephen Marz
a29698221d Added virtio structures and stubs for setting up devices 2020-03-10 17:16:57 -04:00
Stephen Marz
d403ae8b7b Add hdd.dsk to ignore 2020-03-10 17:16:44 -04:00
Stephen Marz
3ffb53405d Add many virtio devices 2020-03-10 17:16:13 -04:00
Stephen Marz
795e7945f8 Load block device through make run 2020-03-10 16:51:22 -04:00
Stephen Marz
d44f729957 Split CTX switch time and frequency and also use build_satp for switching to user process 2020-03-10 15:35:21 -04:00
Stephen Marz
f2b1e2018a Moved PC to trap frame so we don't restart the function 2020-03-10 14:55:26 -04:00
Stephen Marz
2984472493 Added chapter 9 2020-03-10 13:52:09 -04:00
Stephen Marz
d154e86d9e Added Cargo.lock 2020-03-10 13:51:44 -04:00
Stephen Marz
08c5ddafc2 Updated comments and removed debugging code 2020-03-10 13:50:08 -04:00
Stephen Marz
2bcf1bb000 Change cycle time 2020-03-10 13:01:32 -04:00
Stephen Marz
b27784ed52 Separate sched and switch_to_user 2020-03-10 12:59:36 -04:00
Stephen Marz
cb54d823d2 Fire off the first CTX switch timer! 2020-03-10 12:46:52 -04:00
Stephen Marz
429b056921 Updates to system call. Change stack pointer for MMU 2020-03-10 12:44:08 -04:00
Stephen Marz
88c672171e Fixed trap. Forgot to reset mtvec in switch_to_user 2020-03-10 12:41:16 -04:00
Stephen Marz
f2f5c855cf M 2020-03-10 11:21:15 -04:00
Stephen Marz
57145beefd Fixed trap handler, load kernel stack from trap, fixed init, map a larger swath of memory for init. 2020-03-10 11:20:00 -04:00
Stephen Marz
e6ccf15bda Added .gitignore to make this doable 2020-03-09 17:51:32 -04:00
Stephen Marz
ee92f8e123 Ugh. Remove target 2020-03-09 17:51:10 -04:00
Stephen Marz
a36db7e8aa
Merge pull request #13 from skyzh/patch-1 
Add data flush in uart put function
 2020-02-22 08:58:52 -05:00
Stephen Marz
b139313874 Added chapter 8 2020-02-22 08:53:59 -05:00
Alex Chi
2474df886c
Add data flush in uart put function 2020-02-03 10:33:00 +08:00
Stephen Marz
4ffb6e3e3b Added syscall and shell scheduler 2020-01-18 20:22:47 -05:00
Stephen Marz
e8e379e557 Updates to ch6 -- post ready. 2019-12-08 14:30:41 -05:00
Stephen Marz
eb0c943a71 Updates to process. 2019-12-07 22:04:13 -05:00
Stephen Marz
c1e247cad5 Move lots of code to support user processes. 2019-12-07 13:59:39 -05:00
Stephen Marz
f8c2faa3ae Updates to process code. 2019-12-05 19:52:02 -05:00
Stephen Marz
fa82110eac Added adjustment constants. 2019-11-28 12:27:13 -05:00
Stephen Marz
ba678d2252 Fixed HEAP map bug. 2019-11-28 12:22:42 -05:00
Stephen Marz
b723763292 Free root table. 2019-11-28 12:05:24 -05:00
Stephen Marz
b61b3ebbf5 Use zalloc to clear page tables. 2019-11-28 12:04:21 -05:00
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