Commit graph

1486 commits

Author SHA1 Message Date
Robert Morris
3bee885ed7 some XXX questions 2019-08-02 14:51:04 -04:00
Robert Morris
e788af9b81 oops, back to alarm() 2019-08-02 13:25:57 -04:00
Robert Morris
0b5c01d429 Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv 2019-08-02 13:18:37 -04:00
Robert Morris
9110f40b7d sigalarm 2019-08-02 13:18:26 -04:00
Frans Kaashoek
7510ac70e5 Combine the linux mmap hw with memory-mapped files in xv6 into a separate lab 2019-08-02 13:07:21 -04:00
Robert Morris
0c10cbe829 syscall lab nits 2019-08-02 11:55:26 -04:00
Frans Kaashoek
0c3125b9eb Add uthread 2019-08-02 08:52:36 -04:00
Frans Kaashoek
b02ef59e14 x 2019-08-01 16:52:38 -04:00
Frans Kaashoek
62ece4b09e Merge branch 'riscv-bcache' into riscv 2019-08-01 15:46:50 -04:00
Robert Morris
fb8a0099d4 fences for starting 2019-08-01 14:59:20 -04:00
Frans Kaashoek
77da01abb1 First draft of text for mmap assignment. 2019-08-01 07:56:39 -04:00
Robert Morris
d600026c3f cut ramdisk 2019-07-30 16:06:00 -04:00
Frans Kaashoek
b70cd9ebd7 Import big file assignment. 2019-07-30 14:33:09 -04:00
Frans Kaashoek
9c4f62e8e3 x 2019-07-30 13:07:17 -04:00
Frans Kaashoek
848d1906e8 Track in buf if disk "owns" buffer 2019-07-30 12:53:19 -04:00
Frans Kaashoek
87183da13d An easier version of bcache assignment 2019-07-30 10:01:22 -04:00
Frans Kaashoek
f37a3e3964 Make pin/unpin explicit 2019-07-30 08:54:43 -04:00
Frans Kaashoek
f1bb53c690 The driver should free descriptors, not interrupt handler. This
avoids handler freeing descriptors before driver sees that the request
has completed.
2019-07-30 08:13:03 -04:00
Frans Kaashoek
5304310452 Remove B_DIRTY
Use refcnt to pin blocks into the cache
Replace flags/B_VALID with a boolean field valid
Use info[id].status to signal completion of disk interrupt
Pass a read/write flag to virtio_disk_rw
2019-07-29 17:33:16 -04:00
Frans Kaashoek
34980381bd checkpoint 2019-07-29 15:49:47 -04:00
Frans Kaashoek
005773c0c3 Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv 2019-07-29 11:44:55 -04:00
Robert Morris
47b9cfee49 separate out timer init code for clarity 2019-07-28 13:16:49 -04:00
Robert Morris
1ec50c5848 xxx 2019-07-28 07:43:22 -04:00
Frans Kaashoek
33494edad5 Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv 2019-07-28 07:43:09 -04:00
Robert Morris
2d89a101c4 Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv 2019-07-28 07:10:23 -04:00
Robert Morris
6507da772d argptr no longer needed, since copyin checks 2019-07-28 06:29:37 -04:00
Frans Kaashoek
fe14bd1113 a thought 2019-07-27 21:02:37 -04:00
Frans Kaashoek
bdcd23ea49 a bit more 2019-07-27 20:18:40 -04:00
Frans Kaashoek
d82f43e0c7 Checkpoint start of locking lab 2019-07-27 16:00:12 -04:00
Robert Morris
629faafa36 cleaner UART register interface 2019-07-27 06:44:24 -04:00
Robert Morris
a33f60fea3 console/uart tweaks 2019-07-27 05:47:19 -04:00
Robert Morris
cf48b24c03 beautify console.c 2019-07-27 04:15:06 -04:00
Robert Morris
281d450a08 split printf into a separate file, to make console.c more like a driver 2019-07-27 03:49:03 -04:00
Frans Kaashoek
734faa27ac Pass over lab text 2019-07-26 21:03:59 -04:00
Robert Morris
cc1a303d09 fetchint isn't used any more 2019-07-26 12:34:06 -04:00
Robert Morris
f0987d82dc ??? 2019-07-26 11:09:54 -04:00
Frans Kaashoek
8ec873b7d8 Checkpoint: split alarmtest exercise in two exercises 2019-07-26 10:35:21 -04:00
Robert Morris
c714e3e35c machinevec -> timervec 2019-07-26 10:17:02 -04:00
Robert Morris
fa2e2e3c81 uservec before userret in trampoline, to match book and kernelvec 2019-07-26 09:38:22 -04:00
Robert Morris
8d30e21b59 Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv 2019-07-26 04:53:59 -04:00
Robert Morris
ea95a6654c trampin -> uservec
trampout -> userret
2019-07-26 04:53:46 -04:00
Frans Kaashoek
0358ee912b syscall lab/alarm 2019-07-25 09:42:36 -04:00
Frans Kaashoek
57a861bea1 Checkpoint start syscall lab 2019-07-25 08:19:14 -04:00
Frans Kaashoek
808811f9f4 Add syscall tracing to the first xv6 lab 2019-07-25 07:47:22 -04:00
Frans Kaashoek
c0b1c239ea x 2019-07-25 07:07:03 -04:00
Frans Kaashoek
47c9721d78 a few name changes in panic msg 2019-07-25 06:59:07 -04:00
Frans Kaashoek
8c12928cc5 First draft of first lab assignment? 2019-07-25 06:50:12 -04:00
Robert Morris
4e62de64cd fix an exit/exit deadlock -> one more locking protocol violation
increase timer rate from 1/second to 10/second
2019-07-25 06:30:49 -04:00
Robert Morris
b19adf79f9 purge x86 stuff from defs.h 2019-07-25 05:37:35 -04:00
Robert Morris
5d5e4e065f comments for timer setup 2019-07-25 05:35:03 -04:00