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Created with Raphaël 2.2.030Aug2611106528Jul26252326Feb1Dec23Nov24Oct7530Sep20153230Aug813Jul121131May268Mar20Oct17161512828Sep24119328Aug22212020Dec28Nov20Oct12130Sep272625191815531Aug30292827242322212014109829Jun19Oct181317Sep87654330Aug2928262524232019161514131211109876429Jul28272621201817161512111065128Jun272624222116151312oops 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 typoMerge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6fine-tune commentfine tune commentRemove memcpy prototypes at Russ' request to prevent code from callingProvide memcpy for compatibility with older versions of gccRecord debug info for assmebly codeHandle backspace on serial input and output better. Better solutions are welcome.Be consistent with JOS make targetsHack to make newlines on the serial port work