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
|
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
|
2020-10-14 20:28:46 -04:00 |
|
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
|
Corrects order of UART RX/TX interrupt enable bits
(per http://byterunner.com/16550.html and manually tested in qemu bare metal echo)
|
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
|
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
|
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
|
2020-09-24 13:18:54 -04:00 |
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Robert Morris
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2055fe13ac
|
better grind error messages
|
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
|
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
|
Remove obselete ifdef that shouldn't have been there ever
|
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.
|
2020-08-27 06:21:10 -04:00 |
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Frans Kaashoek
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efaa7b8e2a
|
Adjust a few prototypes to be explicit that they don't take arguments
|
2020-08-21 10:56:27 -04:00 |
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Robert Morris
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59a9863a17
|
touch sbrk()-allocated memory to make sure it exists
|
2020-08-19 13:10:14 -04:00 |
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Robert Morris
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aefa2697d7
|
usertest for exec() out of memory recovery
and fix a few exec() bugs
|
2020-08-19 12:35:14 -04:00 |
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Frans Kaashoek
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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 |
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Frans Kaashoek
|
740d363736
|
Delete some obselete stuff
|
2020-08-17 14:25:12 -04:00 |
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|
Robert Morris
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b154cf091c
|
x
|
2020-08-15 05:46:32 -04:00 |
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|
Robert Morris
|
4a87a0ae8b
|
fix a bug in the out-of-memory handling code in exec
|
2020-08-13 14:10:58 -04:00 |
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|
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 |
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|
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 |
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Robert Morris
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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 |
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|
Robert Morris
|
e1a2cd59fa
|
Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv
|
2020-08-13 08:05:13 -04:00 |
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Robert Morris
|
d32eac366f
|
pa isn't needed in the uvmunmap() loop
|
2020-08-13 08:04:56 -04:00 |
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|
Frans Kaashoek
|
315c37c0f1
|
Update to the latest specs
|
2020-08-10 20:28:12 -04:00 |
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|
Frans Kaashoek
|
468946781f
|
copyright and 6.S081
|
2020-08-10 19:45:28 -04:00 |
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|
Frans Kaashoek
|
737bd3a55d
|
Ack bug finders.
|
2020-08-10 16:42:33 -04:00 |
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|
Frans Kaashoek
|
2db95f08b1
|
Typo (thanks yt <jaichenhengjie@qq.com>)
|
2020-08-10 16:27:26 -04:00 |
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|
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 |
|
Jonathan Kimmitt
|
b557e7c32e
|
Update ramdisk.c
The qemu syntax for a ram disk was documented incorrectly. The documented syntax is here:
https://qemu.weilnetz.de/doc/qemu-doc.html
|
2020-08-10 13:59:40 -04:00 |
|
|
Fumiya Shigemitsu
|
ffcb883adf
|
Fix minor typos
|
2020-08-10 13:59:38 -04:00 |
|
|
Robert Morris
|
6cb6764bb1
|
test string system call arguments that cross over the end of the last page.
|
2020-08-07 16:56:00 -04:00 |
|
|
Robert Morris
|
234391b6bf
|
test copyinstr()'s handling of the terminating null
|
2020-08-07 16:39:56 -04:00 |
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