Commit graph

1455 commits

Author SHA1 Message Date
Frans Kaashoek 1c4b582fc7 Clarify CLINT and PLIC acronym 2020-10-03 10:21:04 -04:00
Frans Kaashoek d9c7b13acc Add s to many printf statements that expect it (thanks Cece Chu)
Add dirtest to the list of tests
2020-10-02 07:52:14 -04:00
Robert Morris 788b4d1bc9 Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv 2020-09-30 17:16:05 -04:00
Frans Kaashoek 05074badc4 When either_copyin/out fails, return an error from write/read
Add a test to check that read/write return an error
2020-09-24 13:18:54 -04:00
Matt Harvey 6781ac0036
Corrects order of UART RX/TX interrupt enable bits
(per http://byterunner.com/16550.html and manually tested in qemu bare metal echo)
2020-09-14 14:49:57 -07:00
Robert Morris 2055fe13ac better grind error messages 2020-09-06 14:20:18 -04:00
Frans Kaashoek e23d53f27f Delete doc dir because they take much space in student submissions 2020-08-28 16:22:39 -04:00
Frans Kaashoek 79899c7479 Delete doc dir because they take much space in student submissions 2020-08-28 16:21:07 -04:00
Robert Morris 490f91ab53 move panicked check to uart.c 2020-08-28 09:00:41 -04:00
Robert Morris 748809e1b3 suppress write() output after panic() 2020-08-28 09:00:41 -04:00
Frans Kaashoek de434fd933 Remove obselete ifdef that shouldn't have been there ever 2020-08-28 09:00:41 -04:00
Robert Morris 0b4e78f3a9 fix usertests to pass all the riscv-sol-fall20 solutions. 2020-08-28 09:00:41 -04:00
Robert Morris ffb2ee074a move panicked check to uart.c 2020-08-28 05:51:48 -04:00
Robert Morris db067d24da suppress write() output after panic() 2020-08-28 05:44:09 -04:00
Frans Kaashoek 2ec9c6ed66 Remove obselete ifdef that shouldn't have been there ever 2020-08-27 07:05:13 -04:00
Robert Morris d7e5f26910 fix usertests to pass all the riscv-sol-fall20 solutions. 2020-08-27 06:21:10 -04:00
Frans Kaashoek 0bb2533f73 Adjust a few prototypes to be explicit that they don't take arguments 2020-08-21 11:00:45 -04:00
Robert Morris 2a4a8764a5 touch sbrk()-allocated memory to make sure it exists 2020-08-21 11:00:45 -04:00
Robert Morris 5860dcd07d usertest for exec() out of memory recovery
and fix a few exec() bugs
2020-08-21 11:00:45 -04:00
Frans Kaashoek d4d487731a Use the major number defined in file.h. The minor number is ignored;
might as well use 0.
2020-08-21 11:00:45 -04:00
Frans Kaashoek 3c25112f38 Delete some obselete stuff 2020-08-21 11:00:45 -04:00
Frans Kaashoek efaa7b8e2a Adjust a few prototypes to be explicit that they don't take arguments 2020-08-21 10:56:27 -04:00
Robert Morris 59a9863a17 touch sbrk()-allocated memory to make sure it exists 2020-08-19 13:10:14 -04:00
Robert Morris aefa2697d7 usertest for exec() out of memory recovery
and fix a few exec() bugs
2020-08-19 12:35:14 -04:00
Frans Kaashoek b33574df38 Use the major number defined in file.h. The minor number is ignored;
might as well use 0.
2020-08-18 20:48:53 -04:00
Frans Kaashoek 740d363736 Delete some obselete stuff 2020-08-17 14:25:12 -04:00
Robert Morris 95dad4c061 x 2020-08-17 08:18:23 -04:00
Robert Morris f2ec6777bd fix a bug in the out-of-memory handling code in exec 2020-08-17 08:18:23 -04:00
Robert Morris 8dc71a257d handle another out-of-memory in fork(). the policy here is not consistent,
since other calls (e.g. exec()) panic on out of memory.
2020-08-17 08:18:23 -04:00
Robert Morris bc51626aab try to handle a few of the possible out-of-memory errors in fork() 2020-08-17 08:18:23 -04:00
Robert Morris a8dd44cf59 modify uvmunmap() to be in aligned pages
fix a bug in fork() recovering from out of memory
2020-08-17 08:18:23 -04:00
Robert Morris e283514ad0 pa isn't needed in the uvmunmap() loop 2020-08-17 08:18:23 -04:00
Robert Morris b154cf091c x 2020-08-15 05:46:32 -04:00
Robert Morris 4a87a0ae8b fix a bug in the out-of-memory handling code in exec 2020-08-13 14:10:58 -04:00
Robert Morris adee82c3e7 handle another out-of-memory in fork(). the policy here is not consistent,
since other calls (e.g. exec()) panic on out of memory.
2020-08-13 10:22:07 -04:00
Robert Morris 4c22c54480 try to handle a few of the possible out-of-memory errors in fork() 2020-08-13 09:19:23 -04:00
Robert Morris 70c6fe861e modify uvmunmap() to be in aligned pages
fix a bug in fork() recovering from out of memory
2020-08-13 08:46:28 -04:00
Robert Morris e1a2cd59fa Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv 2020-08-13 08:05:13 -04:00
Robert Morris d32eac366f pa isn't needed in the uvmunmap() loop 2020-08-13 08:04:56 -04:00
Frans Kaashoek 56e7cebdb9 Update to the latest specs 2020-08-10 20:28:47 -04:00
Frans Kaashoek 315c37c0f1 Update to the latest specs 2020-08-10 20:28:12 -04:00
Frans Kaashoek 468946781f copyright and 6.S081 2020-08-10 19:45:28 -04:00
Frans Kaashoek 84dcf8a738 copyright and 6.S081 2020-08-10 19:41:57 -04:00
Frans Kaashoek fa71d7fca2 Ack bug finders. 2020-08-10 16:43:33 -04:00
Frans Kaashoek 5dace67371 Typo (thanks yt <jaichenhengjie@qq.com>) 2020-08-10 16:43:33 -04:00
Frans Kaashoek 737bd3a55d Ack bug finders. 2020-08-10 16:42:33 -04:00
Frans Kaashoek 2db95f08b1 Typo (thanks yt <jaichenhengjie@qq.com>) 2020-08-10 16:27:26 -04:00
Frans Kaashoek f14aa421c4 Generate initcode without compressed extensions 2020-08-10 13:59:40 -04:00
Asami Doi c24844714b update initcode to avoid using the compressed extension 2020-08-10 13:59:40 -04:00
Takahiro 9eff4b0871 Write interrupt ack register in virtio_disk_intr() 2020-08-10 13:59:40 -04:00