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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d4cecb269f
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kvmmake() makes a complete kernel page table, matching Figure 3.3
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2020-10-14 20:28:16 -04:00 |
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Robert Morris
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21cfc97809
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set riscv use-compressed-breakpoints yes
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2020-10-14 20:28:16 -04:00 |
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Fumiya Shigemitsu
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93378618df
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Fix minor typos
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2020-10-14 20:28:14 -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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bebecfd6fd
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more explicable scratch area size for machine-mode timer interrupts
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2020-10-05 19:30:27 -04:00 |
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Frans Kaashoek
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c199afe4c8
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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 19:30:27 -04:00 |
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Robert Morris
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c61cc69413
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eliminate virtio DMA into kernel stacks.
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2020-10-05 19:30:27 -04:00 |
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Robert Morris
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3092fe2c9e
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improve virtio_disk comments; bring it closer to wording in the spec
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2020-10-05 19:30:27 -04:00 |
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Robert Morris
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548ffc97e1
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don't unpin if recovering -- the resulting negative refcnt suppresses next unpin
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2020-10-05 19:30:27 -04:00 |
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Robert Morris
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aeaf610c67
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avoid deadlock by disk intr acking interrupt first, then processing ring
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2020-10-05 19:30:27 -04:00 |
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Robert Morris
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3c70be9070
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often causes deadlock after a few minutes
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2020-10-05 19:30:27 -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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|
Fumiya Shigemitsu
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9c8d1e2909
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Fix minor typos
|
2020-10-03 16:36:20 -04:00 |
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Frans Kaashoek
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f2827b2c7b
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Clarify CLINT and PLIC acronym
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2020-10-03 16:36:20 -04:00 |
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Frans Kaashoek
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8ffdfad990
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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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2020-10-03 16:36:20 -04:00 |
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Frans Kaashoek
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6750608824
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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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2020-10-03 16:36:20 -04:00 |
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Robert Morris
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8c67f96b72
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better grind error messages
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2020-10-03 16:36:20 -04:00 |
|
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
|
2020-10-03 16:35:45 -04:00 |
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Frans Kaashoek
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b418a34537
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Merge pull request #25 from matth79/patch-1
Corrects order of UART RX/TX interrupt enable bits
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2020-10-03 16:33:41 -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
|
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 |
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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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Frans Kaashoek
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79899c7479
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Delete doc dir because they take much space in student submissions
|
2020-08-28 16:21:07 -04:00 |
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Robert Morris
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490f91ab53
|
move panicked check to uart.c
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2020-08-28 09:00:41 -04:00 |
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Robert Morris
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748809e1b3
|
suppress write() output after panic()
|
2020-08-28 09:00:41 -04:00 |
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|
Frans Kaashoek
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de434fd933
|
Remove obselete ifdef that shouldn't have been there ever
|
2020-08-28 09:00:41 -04:00 |
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|
Robert Morris
|
0b4e78f3a9
|
fix usertests to pass all the riscv-sol-fall20 solutions.
|
2020-08-28 09:00:41 -04:00 |
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|
Robert Morris
|
ffb2ee074a
|
move panicked check to uart.c
|
2020-08-28 05:51:48 -04:00 |
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|
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 |
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Robert Morris
|
d7e5f26910
|
fix usertests to pass all the riscv-sol-fall20 solutions.
|
2020-08-27 06:21:10 -04:00 |
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