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Created with Raphaël 2.2.031Aug302611106528Jul26252326Feb1Dec23Nov24Oct7530Sep20153230Aug813Jul121131May268Mar20Oct17161512828Sep24119328Aug22212020Dec28Nov20Oct12130Sep272625191815531Aug30292827242322212014109829Jun19Oct181317Sep87654330Aug2928262524232019161514131211109876429Jul28272621201817161512111065128Jun272624222116151312mkfs must be compiled 32-bit. Fix mkfs warningsInfer qemu path, just like in JOSInfer TOOLPREFIX, just like in JOSMerge branch 'page' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6 into pagekalloc/kfree now only a page at a timeMerge branch 'page' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6 into pageMerge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6 into pageMerge remote branch 'origin/master' into pageFix for gdbstub argument change in qemu 0.11. Rename qemu-gdb-nox target to qemu-nox-gdb because you frequently want to add the gdb part, but rarely the nox part.oops ended up with 2x vm.cMerge remote branch 'origin/page' into pagexxno more xv6.pdf .pswe don't need CR0_WPset only PG and WP in vminit; the rest don't seem to be needed and are confusingMerge commit 'origin/page' into pageadd vm.cuptime() sys call for benchmarkingallow sbrk(-x) to de-allocate user memoryfix corner cases in exec of ELFadd some commentsremove some unused vm #definesmove jkstack to main.cfix allocuvm() to handle sbrk() with non-page-granularity argumentkill TLB shoot down codemore cleanupsome cleanupa few nitsoops, vm.cCheckpoint page-table version for SMPnitsInitial version of single-cpu xv6 with page tablesanother rev2 -> rev3point at rev38ae0 instead of 8e00, thanks yandongAdd stressfs and gdbutil to distGDB utilitiesAdd the test we used in lecture to creash the IDE system when theMerge branch 'master' of git+ssh://am.lcs/home/am0/6.828/xv6Comment typo