Commit graph

26 commits

Author SHA1 Message Date
rsc 558ab49f13 delete unnecessary #include lines 2007-08-27 23:26:33 +00:00
rsc d003d232fc Another attempt at the bio.c comment.
Rename B_WRITE to B_DIRTY and then let ide.c
maintain the B_VALID and B_DIRTY flags.
2007-08-27 14:09:30 +00:00
rsc 872a63e104 nits 2007-08-24 21:14:58 +00:00
rsc 4d39b63388 nits 2007-08-24 19:46:19 +00:00
rtm 902b13f5d6 simplify ide queuing
nits in comments
2007-08-24 19:32:36 +00:00
rsc eaea18cb9c PDF at http://am.lcs.mit.edu/~rsc/xv6.pdf
Various changes made while offline.

 + bwrite sector argument is redundant; use b->sector.
 + reformatting of files for nicer PDF page breaks
 + distinguish between locked, unlocked inodes in type signatures
 + change FD_FILE to FD_INODE
 + move userinit (nee proc0init) to proc.c
 + move ROOTDEV to param.h
 + always parenthesize sizeof argument
2007-08-22 06:01:32 +00:00
rsc 0655445ba9 cleanup loop 2007-08-14 19:42:14 +00:00
rsc 3f98d050e1 refactor bget to be more like iget - make it clear that sleep loops 2007-08-08 09:50:26 +00:00
rsc 95edc8921f debugging help 2006-09-07 16:54:28 +00:00
rsc 19297caf0d fix ide, pit interfaces 2006-09-07 15:29:54 +00:00
rsc 7a054598fa fix build bug 2006-09-07 14:39:05 +00:00
rsc bb207a1d42 comments 2006-09-07 14:28:12 +00:00
rsc 0cfc7290e8 wrap long lines 2006-09-06 19:08:14 +00:00
rsc db8fb62e4d for vs while 2006-09-06 18:47:51 +00:00
rsc 9e9bcaf143 standardize various * conventions 2006-09-06 17:27:19 +00:00
rtm 2aa4c3bc29 complain if no disk 1
lots of cleanup
2006-08-30 18:55:06 +00:00
rtm 05e975511b zero out all of dirent.name when creating
don't increase length of directory
2006-08-12 22:44:26 +00:00
rtm cd93074e5b LRU disk cache replacement 2006-08-12 22:34:13 +00:00
rtm 14938f9392 buffer cache, fifo replacement 2006-08-12 17:17:35 +00:00
rtm 4357207237 fix getblk to actually lock the block
no more cons_put system calls
usertests tests two processes writing files
2006-08-12 11:38:57 +00:00
rtm 5be0039ce9 interrupts could be recursive since lapic_eoi() called before rti
so fast interrupts overflow the kernel stack
fix: cli() before lapic_eoi()
2006-08-10 22:08:14 +00:00
kaashoek 104207726b bwrite 2006-08-07 01:38:46 +00:00
kaashoek 8ec6530fee generalize async read to support write too 2006-08-06 20:28:15 +00:00
kaashoek c8b29f6d03 better interrupt plan---this one appears to work
ioapic
2006-08-04 18:12:31 +00:00
rtm 32630628a9 open() 2006-07-29 09:35:02 +00:00
rtm 11a9947f1a bread
iget
mkfs makes a file system image
put this in your .bochsrc:
ata0-slave: type=disk, mode=flat, path="fs.img", cylinders=1024, heads=1, spt=1
2006-07-21 13:18:04 +00:00