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AgeCommit message (Expand)Author
2020-10-05improve virtio_disk comments; bring it closer to wording in the specRobert Morris
2020-10-04don't unpin if recovering -- the resulting negative refcnt suppresses next unpinRobert Morris
2020-10-04avoid deadlock by disk intr acking interrupt first, then processing ringRobert Morris
2020-10-04often causes deadlock after a few minutesRobert Morris
2020-10-03Corrects order of UART RX/TX interrupt enable bitsMatt Harvey
2020-10-03Fix minor typosFumiya Shigemitsu
2020-10-03Clarify CLINT and PLIC acronymFrans Kaashoek
2020-10-02Add s to many printf statements that expect it (thanks Cece Chu)Frans Kaashoek
2020-09-30Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscvRobert Morris
2020-09-24When either_copyin/out fails, return an error from write/readFrans Kaashoek
2020-09-06better grind error messagesRobert Morris
2020-08-28Delete doc dir because they take much space in student submissionsFrans Kaashoek
2020-08-28move panicked check to uart.cRobert Morris
2020-08-28suppress write() output after panic()Robert Morris
2020-08-27Remove obselete ifdef that shouldn't have been there everFrans Kaashoek
2020-08-27fix usertests to pass all the riscv-sol-fall20 solutions.Robert Morris
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
2020-08-18Use the major number defined in file.h. The minor number is ignored;Frans Kaashoek
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
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
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
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
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
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
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