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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Frans Kaashoek
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2db95f08b1
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Typo (thanks yt <jaichenhengjie@qq.com>)
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2020-08-10 16:27:26 -04:00 |
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Frans Kaashoek
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f14aa421c4
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Generate initcode without compressed extensions
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2020-08-10 13:59:40 -04:00 |
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Asami Doi
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c24844714b
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update initcode to avoid using the compressed extension
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2020-08-10 13:59:40 -04:00 |
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Takahiro
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9eff4b0871
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Write interrupt ack register in virtio_disk_intr()
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2020-08-10 13:59:40 -04:00 |
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Jonathan Kimmitt
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b557e7c32e
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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
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2020-08-10 13:59:40 -04:00 |
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Fumiya Shigemitsu
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ffcb883adf
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Fix minor typos
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2020-08-10 13:59:38 -04:00 |
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Robert Morris
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6cb6764bb1
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test string system call arguments that cross over the end of the last page.
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2020-08-07 16:56:00 -04:00 |
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Robert Morris
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234391b6bf
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test copyinstr()'s handling of the terminating null
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2020-08-07 16:39:56 -04:00 |
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Robert Morris
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354adfdafc
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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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2020-08-07 15:06:43 -04:00 |
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Robert Morris
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f01b1a8b71
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test pointer checking in copyin, copyout, copyinstr
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2020-08-07 14:34:39 -04:00 |
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Robert Morris
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e4b9346679
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Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv
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2020-08-07 05:33:23 -04:00 |
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Robert Morris
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8b9b799937
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modify each page in usertests countfree()
get rid of static for walk() and freewalk()
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2020-08-07 05:32:48 -04:00 |
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Frans Kaashoek
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6c3099d314
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Change tf -> trapframe in a few comments
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2020-08-06 20:31:19 -04:00 |
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