Commit graph

1423 commits

Author SHA1 Message Date
Robert Morris b154cf091c x 2020-08-15 05:46:32 -04:00
Robert Morris 4a87a0ae8b fix a bug in the out-of-memory handling code in exec 2020-08-13 14:10:58 -04:00
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
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
Robert Morris 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
Robert Morris e1a2cd59fa Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv 2020-08-13 08:05:13 -04:00
Robert Morris d32eac366f pa isn't needed in the uvmunmap() loop 2020-08-13 08:04:56 -04:00
Frans Kaashoek 56e7cebdb9 Update to the latest specs 2020-08-10 20:28:47 -04:00
Frans Kaashoek 315c37c0f1 Update to the latest specs 2020-08-10 20:28:12 -04:00
Frans Kaashoek 468946781f copyright and 6.S081 2020-08-10 19:45:28 -04:00
Frans Kaashoek 84dcf8a738 copyright and 6.S081 2020-08-10 19:41:57 -04:00
Frans Kaashoek fa71d7fca2 Ack bug finders. 2020-08-10 16:43:33 -04:00
Frans Kaashoek 5dace67371 Typo (thanks yt <jaichenhengjie@qq.com>) 2020-08-10 16:43:33 -04:00
Frans Kaashoek 737bd3a55d Ack bug finders. 2020-08-10 16:42:33 -04:00
Frans Kaashoek 2db95f08b1 Typo (thanks yt <jaichenhengjie@qq.com>) 2020-08-10 16:27:26 -04:00
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
Frans Kaashoek 96a20b0c0f Generate initcode without compressed extensions 2020-08-10 13:55:46 -04:00
Frans Kaashoek 0502342335
Merge pull request #9 from d0iasm/riscv
update initcode to avoid using the compressed extension
2020-08-10 13:54:58 -04:00
Frans Kaashoek 93ca5550b8
Merge pull request #10 from takahirox/VirtioInterruptAck
Write virtio interrupt ack register in virtio_disk_intr()
2020-08-10 13:24:57 -04:00
Frans Kaashoek 12c131de3e
Merge pull request #8 from rui314/cat-fix
cat should exit normally if reading from stdin
2020-08-10 13:14:41 -04:00
Frans Kaashoek d28c5d9837
Merge pull request #6 from jrrk2/riscv
Update ramdisk.c
2020-08-10 13:14:14 -04:00
Frans Kaashoek 6b593b9eae
Merge pull request #4 from 4ge32/riscv
Fix minor typos
2020-08-10 13:05:28 -04:00
Frans Kaashoek c31d35d803
Merge branch 'riscv' into riscv 2020-08-10 13:05:17 -04:00
Robert Morris d8fe1773b2 test string system call arguments that cross over the end of the last page. 2020-08-10 11:19:10 -04:00
Robert Morris 76d6c57ede test copyinstr()'s handling of the terminating null 2020-08-10 11:19:10 -04:00
Robert Morris e3b7058907 streamline copyin/copyout code in usertests
fix bugs in read/write return values when there's an error
2020-08-10 11:19:10 -04:00
Robert Morris a93321cb25 test pointer checking in copyin, copyout, copyinstr 2020-08-10 11:19:10 -04:00
Frans Kaashoek 1f555198d6 Change tf -> trapframe in a few comments 2020-08-10 11:19:10 -04:00
Robert Morris 7f35d7a14e modify each page in usertests countfree()
get rid of static for walk() and freewalk()
2020-08-10 11:19:10 -04:00
Robert Morris 2ae9c8e272 defines for UART register bits 2020-08-10 11:19:10 -04:00
Robert Morris 0f50e9527c fix printf() in interrupts 2020-08-10 11:19:10 -04:00
Robert Morris 27057bc9b4 interrupt-driven uart output, hopefully a nice example for teaching. 2020-08-10 11:19:10 -04:00
Robert Morris 1e72d5ca08 cpu->scheduler -> cpu->context to reduce confusion 2020-08-10 11:19:10 -04:00
Robert Morris 5494c91705 rename p->tf to p->trapframe, for consistency with p->context 2020-08-10 11:19:10 -04:00
Robert Morris 82981fab6b drop QEMUEXTRA 2020-08-10 11:19:10 -04:00
Robert Morris af9eb9114c make "echo hello > x" truncate file x. 2020-08-10 11:19:10 -04:00
Robert Morris 672217ae2a allow more files 2020-08-10 11:19:10 -04:00
Robert Morris b62d4d412b more grind 2020-08-10 11:19:10 -04:00
rtm 897f6f34dd yet another toolchain name 2020-08-10 11:19:10 -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
Robert Morris 354adfdafc streamline copyin/copyout code in usertests
fix bugs in read/write return values when there's an error
2020-08-07 15:06:43 -04:00
Robert Morris f01b1a8b71 test pointer checking in copyin, copyout, copyinstr 2020-08-07 14:34:39 -04:00
Robert Morris e4b9346679 Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv 2020-08-07 05:33:23 -04:00
Robert Morris 8b9b799937 modify each page in usertests countfree()
get rid of static for walk() and freewalk()
2020-08-07 05:32:48 -04:00
Frans Kaashoek 6c3099d314 Change tf -> trapframe in a few comments 2020-08-06 20:31:19 -04:00