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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Fumiya Shigemitsu
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9c8d1e2909
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Fix minor typos
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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 |
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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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Matt Harvey
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6781ac0036
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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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2020-09-14 14:49:57 -07:00 |
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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
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2020-08-28 16:21:07 -04:00 |
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Robert Morris
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490f91ab53
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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
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suppress write() output after panic()
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2020-08-28 09:00:41 -04:00 |
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Frans Kaashoek
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de434fd933
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Remove obselete ifdef that shouldn't have been there ever
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2020-08-28 09:00:41 -04:00 |
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Robert Morris
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0b4e78f3a9
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fix usertests to pass all the riscv-sol-fall20 solutions.
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2020-08-28 09:00:41 -04:00 |
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Frans Kaashoek
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0bb2533f73
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Adjust a few prototypes to be explicit that they don't take arguments
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2020-08-21 11:00:45 -04:00 |
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Robert Morris
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2a4a8764a5
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touch sbrk()-allocated memory to make sure it exists
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2020-08-21 11:00:45 -04:00 |
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Robert Morris
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5860dcd07d
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usertest for exec() out of memory recovery
and fix a few exec() bugs
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2020-08-21 11:00:45 -04:00 |
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Frans Kaashoek
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d4d487731a
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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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2020-08-21 11:00:45 -04:00 |
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Frans Kaashoek
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3c25112f38
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Delete some obselete stuff
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2020-08-21 11:00:45 -04:00 |
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Robert Morris
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95dad4c061
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x
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2020-08-17 08:18:23 -04:00 |
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Robert Morris
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f2ec6777bd
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fix a bug in the out-of-memory handling code in exec
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2020-08-17 08:18:23 -04:00 |
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Robert Morris
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8dc71a257d
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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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2020-08-17 08:18:23 -04:00 |
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Robert Morris
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bc51626aab
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try to handle a few of the possible out-of-memory errors in fork()
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2020-08-17 08:18:23 -04:00 |
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Robert Morris
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a8dd44cf59
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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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2020-08-17 08:18:23 -04:00 |
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Robert Morris
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e283514ad0
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pa isn't needed in the uvmunmap() loop
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2020-08-17 08:18:23 -04:00 |
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Frans Kaashoek
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56e7cebdb9
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Update to the latest specs
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2020-08-10 20:28:47 -04:00 |
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Frans Kaashoek
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84dcf8a738
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copyright and 6.S081
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2020-08-10 19:41:57 -04:00 |
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Frans Kaashoek
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fa71d7fca2
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Ack bug finders.
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2020-08-10 16:43:33 -04:00 |
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Frans Kaashoek
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5dace67371
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Typo (thanks yt <jaichenhengjie@qq.com>)
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2020-08-10 16:43:33 -04:00 |
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Frans Kaashoek
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96a20b0c0f
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Generate initcode without compressed extensions
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2020-08-10 13:55:46 -04:00 |
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Frans Kaashoek
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0502342335
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Merge pull request #9 from d0iasm/riscv
update initcode to avoid using the compressed extension
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2020-08-10 13:54:58 -04:00 |
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Frans Kaashoek
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93ca5550b8
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Merge pull request #10 from takahirox/VirtioInterruptAck
Write virtio interrupt ack register in virtio_disk_intr()
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2020-08-10 13:24:57 -04:00 |
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Frans Kaashoek
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12c131de3e
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Merge pull request #8 from rui314/cat-fix
cat should exit normally if reading from stdin
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2020-08-10 13:14:41 -04:00 |
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Frans Kaashoek
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d28c5d9837
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Merge pull request #6 from jrrk2/riscv
Update ramdisk.c
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2020-08-10 13:14:14 -04:00 |
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Frans Kaashoek
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6b593b9eae
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Merge pull request #4 from 4ge32/riscv
Fix minor typos
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2020-08-10 13:05:28 -04:00 |
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Frans Kaashoek
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c31d35d803
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Merge branch 'riscv' into riscv
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2020-08-10 13:05:17 -04:00 |
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Robert Morris
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d8fe1773b2
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test string system call arguments that cross over the end of the last page.
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2020-08-10 11:19:10 -04:00 |
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Robert Morris
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76d6c57ede
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test copyinstr()'s handling of the terminating null
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2020-08-10 11:19:10 -04:00 |
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Robert Morris
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e3b7058907
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streamline copyin/copyout code in usertests
fix bugs in read/write return values when there's an error
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2020-08-10 11:19:10 -04:00 |
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Robert Morris
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a93321cb25
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test pointer checking in copyin, copyout, copyinstr
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2020-08-10 11:19:10 -04:00 |
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Frans Kaashoek
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1f555198d6
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Change tf -> trapframe in a few comments
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2020-08-10 11:19:10 -04:00 |
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Robert Morris
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7f35d7a14e
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modify each page in usertests countfree()
get rid of static for walk() and freewalk()
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2020-08-10 11:19:10 -04:00 |
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Robert Morris
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2ae9c8e272
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defines for UART register bits
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2020-08-10 11:19:10 -04:00 |
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Robert Morris
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0f50e9527c
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fix printf() in interrupts
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2020-08-10 11:19:10 -04:00 |
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Robert Morris
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27057bc9b4
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interrupt-driven uart output, hopefully a nice example for teaching.
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2020-08-10 11:19:10 -04:00 |
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Robert Morris
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1e72d5ca08
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cpu->scheduler -> cpu->context to reduce confusion
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2020-08-10 11:19:10 -04:00 |
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Robert Morris
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5494c91705
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rename p->tf to p->trapframe, for consistency with p->context
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2020-08-10 11:19:10 -04:00 |
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Robert Morris
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82981fab6b
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drop QEMUEXTRA
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2020-08-10 11:19:10 -04:00 |
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Robert Morris
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af9eb9114c
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make "echo hello > x" truncate file x.
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2020-08-10 11:19:10 -04:00 |
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Robert Morris
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672217ae2a
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allow more files
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2020-08-10 11:19:10 -04:00 |
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