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243 Commits 3 Branches 4 Tags 6.4 MiB
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243 Commits

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Author SHA1 Message Date
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
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