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Created with Raphaël 2.2.04Nov21Sep191215Aug18Oct171612418Sep11925Aug242322171512111098221Jul17Oct1Sep31Aug301062Jul23Nov1953123Oct2220147543230Sep2414628Aug27211918171513107623Jul2220171618Apr20Mar1116Jan8Nov7629Oct282721168330Sep24232120191713121110854327Aug26232019181712532130Jul29282726252423222019171611108765432113Jun116543131May10Oct9743229Sep23231Aug3024Oct829Aug1098726Apr27Feb5131Jan3026Sep2519161514131182126Aug2524191813121110815Nov1418Sep12Aug30Jun2710Apr324Mar19Feblab1.1utilutilclean all zip files, even old onesmastermasterupdate grading and zipball ruleMakefile: new submission systemxMade va and size page aligned in mappagesxoops. scheduler() inherits the interrupt status of thescheduler()'s intr_on() is in the wrong place, reflectingforkret first memory modelfix copyout() to refuse to write a read-only pageRemove unused PLIC_M* macrosUse O_RDONLY instead of 0handle negative arguments to sleep() a little betterUpdate acksSeparate tests in slow and quick. The slow tests run xv6 out ofcomment the sfencessfence before enabling pagingMerge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscvsfence before writing satp, as well as afterHelp students read this C syntaxMerge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscvtolerate running out of inodesxRename test to textwriteLinker script makes binaries bigger; use larger disk so that usertestsMerge branch 'riscv' into uvm-permUse simple linker script to force data segment to be page alignedtolerate out of disk when creating . and .. in mkdir()don't panic if out of disk space when extending a directory.Merge branch 'riscv-killed' into riscvAdd ref to this nice page about Chapter 9's regexp matcherUse pp instead of np to be more consistentMake argint() and argaddr() of type void (thanks Harry Porter)Simplify uartputc slightly (thanks Harry Porter)slightly better commentsxUse uint64 (thanks carlclone and Harry Porter)Compile user binary to map text without W and data without XRun tests in the order in which they appear in the file