Frans Kaashoek
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9599a8e616
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x
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2020-11-05 19:00:37 -05:00 |
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Frans Kaashoek
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d7b308fe81
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kill/status test
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2020-11-05 18:50:02 -05:00 |
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Frans Kaashoek
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b63d3506e9
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Be principled: acquire lock first
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2020-11-05 12:27:32 -05:00 |
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Robert Morris
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774288e05a
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proc_tree_lock -> wait_lock
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2020-11-05 09:47:59 -05:00 |
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Robert Morris
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bc943c2309
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don't over-lock in exit()
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2020-11-05 07:32:10 -05:00 |
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Robert Morris
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7dea4b93c8
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oops
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2020-11-03 16:35:20 -05:00 |
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Robert Morris
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8d4fbc6e2a
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Frans' proc_lock.
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2020-11-03 15:02:08 -05:00 |
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Robert Morris
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af570f582c
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free proc if kalloc fails
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2020-11-01 11:11:38 -05:00 |
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Robert Morris
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d7c0a1b7a7
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hopefully make writei more correct
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2020-10-23 10:18:30 -04:00 |
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Robert Morris
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147855e521
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test for closed pipe or killed on every char, not just if pipe full
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2020-10-22 06:36:36 -04:00 |
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Robert Morris
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4df1a265cb
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fix uart.c to work with UART_TX_BUF_SIZE == 1
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2020-10-20 07:02:44 -04:00 |
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Robert Morris
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55ad99f729
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Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv
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2020-10-20 06:58:58 -04:00 |
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Robert Morris
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286b2f3c33
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consolewrite does not need cons.lock -- can lead to sleep() with lock held
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2020-10-20 06:55:51 -04:00 |
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Fumiya Shigemitsu
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05a7db1a0a
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Fix minor typos
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2020-10-14 20:28:46 -04:00 |
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Frans Kaashoek
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c64aa44d7b
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kvmmake() makes a complete kernel page table, matching Figure 3.3
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2020-10-14 20:03:14 -04:00 |
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Robert Morris
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806580d642
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set riscv use-compressed-breakpoints yes
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2020-10-07 12:57:55 -04:00 |
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Robert Morris
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6c16759503
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more explicable scratch area size for machine-mode timer interrupts
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2020-10-05 15:28:01 -04:00 |
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Frans Kaashoek
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0c55849d28
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Don't map the CLINT, since it never used in the kernel in supervisor mode
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2020-10-05 09:18:23 -04:00 |
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Robert Morris
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a9b3dd457c
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eliminate virtio DMA into kernel stacks.
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2020-10-05 06:59:33 -04:00 |
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Robert Morris
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271d89ae30
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improve virtio_disk comments; bring it closer to wording in the spec
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2020-10-05 06:26:58 -04:00 |
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Robert Morris
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da002a48fb
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don't unpin if recovering -- the resulting negative refcnt suppresses next unpin
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2020-10-04 13:29:04 -04:00 |
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Robert Morris
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792d60e912
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avoid deadlock by disk intr acking interrupt first, then processing ring
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2020-10-04 09:21:03 -04:00 |
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Robert Morris
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e3672e018a
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often causes deadlock after a few minutes
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2020-10-04 08:44:32 -04:00 |
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Matt Harvey
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b9359c3533
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Corrects order of UART RX/TX interrupt enable bits
(per http://byterunner.com/16550.html and manually tested in qemu bare metal echo)
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2020-10-03 16:35:47 -04:00 |
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Fumiya Shigemitsu
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b96547403d
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Fix minor typos
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2020-10-03 16:35:45 -04:00 |
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Frans Kaashoek
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1c4b582fc7
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Clarify CLINT and PLIC acronym
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2020-10-03 10:21:04 -04:00 |
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Frans Kaashoek
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d9c7b13acc
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Add s to many printf statements that expect it (thanks Cece Chu)
Add dirtest to the list of tests
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2020-10-02 07:52:14 -04:00 |
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Robert Morris
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788b4d1bc9
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Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv
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2020-09-30 17:16:05 -04:00 |
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Frans Kaashoek
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05074badc4
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When either_copyin/out fails, return an error from write/read
Add a test to check that read/write return an error
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2020-09-24 13:18:54 -04:00 |
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Robert Morris
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2055fe13ac
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better grind error messages
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2020-09-06 14:20:18 -04:00 |
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Frans Kaashoek
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e23d53f27f
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Delete doc dir because they take much space in student submissions
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2020-08-28 16:22:39 -04:00 |
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Robert Morris
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ffb2ee074a
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move panicked check to uart.c
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2020-08-28 05:51:48 -04:00 |
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Robert Morris
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db067d24da
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suppress write() output after panic()
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2020-08-28 05:44:09 -04:00 |
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Frans Kaashoek
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2ec9c6ed66
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Remove obselete ifdef that shouldn't have been there ever
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2020-08-27 07:05:13 -04:00 |
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Robert Morris
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d7e5f26910
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fix usertests to pass all the riscv-sol-fall20 solutions.
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2020-08-27 06:21:10 -04:00 |
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Frans Kaashoek
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efaa7b8e2a
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Adjust a few prototypes to be explicit that they don't take arguments
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2020-08-21 10:56:27 -04:00 |
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Robert Morris
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59a9863a17
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touch sbrk()-allocated memory to make sure it exists
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2020-08-19 13:10:14 -04:00 |
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Robert Morris
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aefa2697d7
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usertest for exec() out of memory recovery
and fix a few exec() bugs
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2020-08-19 12:35:14 -04:00 |
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Frans Kaashoek
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b33574df38
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Use the major number defined in file.h. The minor number is ignored;
might as well use 0.
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2020-08-18 20:48:53 -04:00 |
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Frans Kaashoek
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740d363736
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Delete some obselete stuff
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2020-08-17 14:25:12 -04:00 |
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Robert Morris
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b154cf091c
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x
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2020-08-15 05:46:32 -04:00 |
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Robert Morris
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4a87a0ae8b
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fix a bug in the out-of-memory handling code in exec
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2020-08-13 14:10:58 -04:00 |
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Robert Morris
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adee82c3e7
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handle another out-of-memory in fork(). the policy here is not consistent,
since other calls (e.g. exec()) panic on out of memory.
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2020-08-13 10:22:07 -04:00 |
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Robert Morris
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4c22c54480
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try to handle a few of the possible out-of-memory errors in fork()
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2020-08-13 09:19:23 -04:00 |
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Robert Morris
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70c6fe861e
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modify uvmunmap() to be in aligned pages
fix a bug in fork() recovering from out of memory
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2020-08-13 08:46:28 -04:00 |
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Robert Morris
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e1a2cd59fa
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Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv
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2020-08-13 08:05:13 -04:00 |
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Robert Morris
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d32eac366f
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pa isn't needed in the uvmunmap() loop
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2020-08-13 08:04:56 -04:00 |
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Frans Kaashoek
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315c37c0f1
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Update to the latest specs
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2020-08-10 20:28:12 -04:00 |
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Frans Kaashoek
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468946781f
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copyright and 6.S081
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2020-08-10 19:45:28 -04:00 |
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Frans Kaashoek
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737bd3a55d
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Ack bug finders.
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2020-08-10 16:42:33 -04:00 |
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