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2010-09-19exec questionsRobert Morris1-3/+3
2010-08-31Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6Robert Morris1-0/+1
2010-08-31oops. last minute simplicifaction to kalloc().Robert Morris1-4/+3
2010-08-31Page break kalloc.cAustin Clements1-0/+1
2010-08-31no more pminit, or ELF header at 0x10000Robert Morris1-3/+5
kinit() knows about end and PHYSTOP map all of kernel read/write (rather than r/o instructions) thanks, austin
2010-08-31kalloc/kfree now only a page at a timeRobert Morris1-66/+23
do not keep sorted contiguous free list
2010-08-11uptime() sys call for benchmarkingRobert Morris1-4/+0
increase PHYSTOP
2010-08-06fix corner cases in exec of ELFRobert Morris1-3/+2
put an invalid page below the stack have fork() handle invalid pages
2010-07-23a few nitsFrans Kaashoek1-2/+0
passes all tests on two-processor smp
2010-07-02nitsFrans Kaashoek1-10/+0
2010-07-02Initial version of single-cpu xv6 with page tablesFrans Kaashoek1-11/+25
2009-07-11rearrangements and cleanup for textRuss Cox1-22/+18
2009-05-31group locks into structs they protect.rsc1-12/+14
few naming nits.
2007-08-27delete unnecessary #include linesrsc1-3/+0
2007-08-27make kfree loop same as kallocrsc1-8/+5
2007-08-24simplify ide queuingrtm1-1/+1
nits in comments
2007-08-14formatting, simplifyrsc1-24/+17
2007-08-10tweak kallocrsc1-7/+7
2007-08-10Make cp a magic symbol.rsc1-8/+6
2006-09-08some comment changeskaashoek1-1/+1
2006-09-07more commentsrsc1-0/+4
2006-09-06writeable => writablersc1-1/+1
2006-09-06no /* */ commentsrsc1-18/+13
2006-09-06standardize various * conventionsrsc1-8/+8
2006-09-04nitsrtm1-1/+1
2006-08-30complain if no disk 1rtm1-44/+1
lots of cleanup
2006-08-10interrupts could be recursive since lapic_eoi() called before rtirtm1-1/+2
so fast interrupts overflow the kernel stack fix: cli() before lapic_eoi()
2006-07-29open()rtm1-1/+1
2006-07-17add uint and standardize on typedefs instead of unsignedrsc1-2/+2
2006-07-17nitpicksrsc1-1/+1
2006-07-16more idiomatic crsc1-8/+5
2006-07-12i think my cmpxchg use was wrong in acquirertm1-0/+3
nesting cli/sti: release shouldn't always enable interrupts separate setup of lapic from starting of other cpus, so cpu() works earlier flag to disable locking in console output make locks work even when curproc==0 (still crashes in clock interrupt)
2006-07-12no more big kernel lockrtm1-3/+16
succeeds at usertests.c pipe test
2006-07-11pre-empt both user and kernel, in clock interruptrtm1-2/+0
usertest.c tests pre-emption kill()
2006-07-01swtch saves callee-saved registersrtm1-0/+5
swtch idles on per-CPU stack, not on calling process's stack fix pipe bugs usertest.c tests pipes, fork, exit, close
2006-06-12importrtm1-0/+158