Robert Morris
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ba8d9f4808
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don't over-lock in exit()
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2020-11-05 19:50:46 -05:00 |
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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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47323c97cf
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oops
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2020-11-05 06:56:51 -05:00 |
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Robert Morris
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2875069973
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Frans' proc_lock.
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2020-11-05 06:56:51 -05:00 |
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Robert Morris
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b48ea5d220
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free proc if kalloc fails
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2020-11-05 06:56:51 -05:00 |
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Robert Morris
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5e392531c0
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hopefully make writei more correct
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2020-11-05 06:56:51 -05:00 |
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Robert Morris
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e1bb4c7434
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test for closed pipe or killed on every char, not just if pipe full
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2020-11-05 06:56:51 -05:00 |
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Robert Morris
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329935eca8
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fix uart.c to work with UART_TX_BUF_SIZE == 1
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2020-11-05 06:56:51 -05:00 |
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Robert Morris
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13dccb0380
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consolewrite does not need cons.lock -- can lead to sleep() with lock held
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2020-11-05 06:56:51 -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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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
|
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
|
often causes deadlock after a few minutes
|
2020-10-04 08:44:32 -04:00 |
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|
Fumiya Shigemitsu
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9c8d1e2909
|
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
|
2020-10-03 16:36:20 -04:00 |
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Frans Kaashoek
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8ffdfad990
|
Add s to many printf statements that expect it (thanks Cece Chu)
Add dirtest to the list of tests
|
2020-10-03 16:36:20 -04:00 |
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Frans Kaashoek
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6750608824
|
When either_copyin/out fails, return an error from write/read
Add a test to check that read/write return an error
|
2020-10-03 16:36:20 -04:00 |
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Robert Morris
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8c67f96b72
|
better grind error messages
|
2020-10-03 16:36:20 -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)
|
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
|
Merge pull request #25 from matth79/patch-1
Corrects order of UART RX/TX interrupt enable bits
|
2020-10-03 16:33:41 -04:00 |
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Frans Kaashoek
|
1c4b582fc7
|
Clarify CLINT and PLIC acronym
|
2020-10-03 10:21:04 -04:00 |
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