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2020-08-21Adjust a few prototypes to be explicit that they don't take argumentsFrans Kaashoek
2020-08-19touch sbrk()-allocated memory to make sure it existsRobert Morris
2020-08-19usertest for exec() out of memory recoveryRobert Morris
and fix a few exec() bugs
2020-08-18Use the major number defined in file.h. The minor number is ignored;Frans Kaashoek
might as well use 0.
2020-08-17Delete some obselete stuffFrans Kaashoek
2020-08-15xRobert Morris
2020-08-13fix a bug in the out-of-memory handling code in execRobert Morris
2020-08-13handle another out-of-memory in fork(). the policy here is not consistent,Robert Morris
since other calls (e.g. exec()) panic on out of memory.
2020-08-13try to handle a few of the possible out-of-memory errors in fork()Robert Morris
2020-08-13modify uvmunmap() to be in aligned pagesRobert Morris
fix a bug in fork() recovering from out of memory
2020-08-13Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscvRobert Morris
2020-08-13pa isn't needed in the uvmunmap() loopRobert Morris
2020-08-10Update to the latest specsFrans Kaashoek
2020-08-10copyright and 6.S081Frans Kaashoek
2020-08-10Ack bug finders.Frans Kaashoek
2020-08-10Typo (thanks yt <jaichenhengjie@qq.com>)Frans Kaashoek
2020-08-10Generate initcode without compressed extensionsFrans Kaashoek
2020-08-10update initcode to avoid using the compressed extensionAsami Doi
2020-08-10Write interrupt ack register in virtio_disk_intr()Takahiro
2020-08-10Update ramdisk.cJonathan Kimmitt
The qemu syntax for a ram disk was documented incorrectly. The documented syntax is here: https://qemu.weilnetz.de/doc/qemu-doc.html
2020-08-10Fix minor typosFumiya Shigemitsu
2020-08-07test string system call arguments that cross over the end of the last page.Robert Morris
2020-08-07test copyinstr()'s handling of the terminating nullRobert Morris
2020-08-07streamline copyin/copyout code in usertestsRobert Morris
fix bugs in read/write return values when there's an error
2020-08-07test pointer checking in copyin, copyout, copyinstrRobert Morris
2020-08-07Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscvRobert Morris
2020-08-07modify each page in usertests countfree()Robert Morris
get rid of static for walk() and freewalk()
2020-08-06Change tf -> trapframe in a few commentsFrans Kaashoek
2020-07-23defines for UART register bitsRobert Morris
2020-07-22fix printf() in interruptsRobert Morris
2020-07-20interrupt-driven uart output, hopefully a nice example for teaching.Robert Morris
2020-07-17cpu->scheduler -> cpu->context to reduce confusionRobert Morris
2020-07-17rename p->tf to p->trapframe, for consistency with p->contextRobert Morris
2020-07-17drop QEMUEXTRARobert Morris
2020-07-16make "echo hello > x" truncate file x.Robert Morris
2019-11-08allow more filesRobert Morris
2019-11-07more grindRobert Morris
2019-11-07Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscvRobert Morris
2019-11-07more grindRobert Morris
2019-11-07yet another toolchain namertm
2019-11-06grind: run parallel system calls foreverRobert Morris
2019-10-29mention LRU list a bit more in comments.Robert Morris
2019-10-28usertests -c to repeat tests foreverRobert Morris
detect memory leaks no more "already ran user tests"
2019-10-27fix a potential memory leakRobert Morris
2019-10-27nitsRobert Morris
2019-10-21Clean up linker scriptAnish Athalye
This patch does the following: - Add .text.* to the .text section in the output - Add an assertion that the trampoline does not overflow a page - Add the .rodata section - Make .sdata and .sdata.* (which is for small data) be absorbed into the .data section, because we don't need to distinguish between them; this prevents .sdata from appearing in the output - Make the analogous change for .srodata and .sbss - Make all the data sections 16-byte aligned This patch also updates the .editorconfig for *.ld files.
2019-10-16nitsRobert Morris
2019-10-08Fix ulib's memmove to handle overlap when src<dstAnish Athalye
2019-10-08Add implementations of memcmp and memcpy to ulibAnish Athalye
This is necessary because gcc may generate calls to memcmp, memset, memcpy, and memmove when compiling with -nostdlib.
2019-10-03delete alarmtest from riscvRobert Morris
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