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2011-09-02bootother -> entryother in READMEAustin Clements1-1/+1
2011-09-01Skip missing page directories in deallocuvmAustin Clements1-1/+3
Previously, deallocuvm scanned from 0 to KERNBASE in one page increments, which had a noticable effect on boot time. Now it skips over missing page directories.
2011-09-01Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6Robert Morris2-5/+3
2011-09-01inaccessible page under the user stack page, to help exec deal w/ too-large argsRobert Morris4-4/+21
2011-09-01Fix layoutFrans Kaashoek1-1/+0
2011-09-01Have one definition of kernel stack sizeFrans Kaashoek1-4/+3
2011-09-01Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6Robert Morris9-57/+67
Conflicts: vm.c
2011-09-01fix usertests to correctly test what happens when you callRobert Morris4-13/+26
exec() with arguments that don't fit on a single page.
2011-09-01Use stosl in memset; makes boot time bearableAustin Clements2-1/+14
2011-09-01Fix layout issues for printed versionFrans Kaashoek7-57/+55
2011-08-31move the kernel to 0x80000000Robert Morris3-3/+4
2011-08-31simplify the end of entry.SRobert Morris1-9/+8
2011-08-30enterpgdir -> entrypgdirRobert Morris3-11/+24
2011-08-29Revert "Introduce and use sleeplocks instead of BUSY flags"Frans Kaashoek12-105/+61
My changes have a race with re-used bufs and the code doesn't seem to get shorter Keep the changes that fixed ip->off race This reverts commit 3a5fa7ed9020eaf8ab843a16d26db7393b2ec072. Conflicts: defs.h file.c file.h
2011-08-29Renumber I_VALID since I_BUSY is goneAustin Clements1-1/+1
2011-08-29dir-locals.el to set style in EmacsAustin Clements1-0/+5
2011-08-29Style nits; indentation and tabsAustin Clements5-37/+37
2011-08-26Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6Frans Kaashoek1-1/+1
2011-08-26Introduce and use sleeplocks instead of BUSY flagsFrans Kaashoek12-63/+106
Remove I_BUSY, B_BUSY, and intrans defs and usages One spinlock per buf to avoid ugly loop in bget fix race in filewrite (don't update f->off after releasing lock)
2011-08-26segment register -> segment descriptorRobert Morris1-1/+1
2011-08-25Make cross reference with text workFrans Kaashoek1-2/+2
2011-08-24Eliminate USERTOP; no use for it.Frans Kaashoek2-4/+3
2011-08-22A commentFrans Kaashoek1-0/+3
2011-08-22Remove sys_init syscallFrans Kaashoek5-13/+7
Invoke initlog from forkret on first user process
2011-08-21Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6Frans Kaashoek2-18/+66
2011-08-21delete dead codeFrans Kaashoek1-7/+1
2011-08-19make dirlookup and dirlink more similarRobert Morris2-18/+66
2011-08-17bootloader reads into a physical address (not a virtual address)Frans Kaashoek1-7/+7
2011-08-17Make elf proghdr fields match what objdump printsFrans Kaashoek3-7/+7
2011-08-16Switch back to #define for PHYSTOP. Using the E820 to retrieve the memory ↵Frans Kaashoek3-14/+8
map is too complicated (must be done in 16-bit real-mode, probably enlarged bootblock beyond 512 bytes, and a #define requires less explanation).
2011-08-16Clean up memlayout.hFrans Kaashoek6-28/+42
Get rid of last instances of linear address and "la" Get ready for detecting physical memory dynamically
2011-08-15Update make cleanFrans Kaashoek1-1/+1
2011-08-15Update list of files to include in printoutFrans Kaashoek1-3/+7
2011-08-15Make Austin happierFrans Kaashoek2-13/+13
2011
2011-08-15Avoid "boot" in xv6Frans Kaashoek11-51/+43
2011-08-15Use 4Mbyte pages during bootFrans Kaashoek4-1035/+15
2011-08-15Only commit log to disk if something was written in to it.Austin Clements1-5/+7
Without this, every write to the console results in log writes.
2011-08-15Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6Robert Morris4-22/+22
2011-08-15avoid deadlock by calling begin_trans() before locking any inodesRobert Morris5-15/+66
2011-08-15Separate more clearly bootloader from xv6 by renaming multiboot.S to entry.S ↵Frans Kaashoek4-22/+22
etc. Maybe the string boot shouldn't appear in xv6 code?
2011-08-12OopsFrans Kaashoek1-2/+2
2011-08-12Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6Robert Morris1-1/+7
2011-08-12log write() dataRobert Morris7-44/+144
usertest for big write()s push begin_trans/commit_trans down into syscalls
2011-08-12Some commentsFrans Kaashoek1-1/+7
2011-08-11Make AP processors boot using bootpgdirFrans Kaashoek5-65/+42
Remove device mapping from bootpgdir Remove unnecessary vmenable Set CPUS back to 2 in Makefile Passes all usertests
2011-08-09One more low addressFrans Kaashoek1-1/+3
2011-08-09Tiny bit of cleanupFrans Kaashoek1-7/+7
2011-08-09Shorten boot assemblyFrans Kaashoek1-15/+0
2011-08-09xFrans Kaashoek1-4/+4
2011-08-09Remove jmpkstackFrans Kaashoek1-27/+2
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