2e59046362
log write() data
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usertest for big write()s
push begin_trans/commit_trans down into syscalls
2011-08-12 09:25:39 -04:00
9aa0337dc1
Map kernel high
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Very important to give qemu memory through PHYSTOP :(
2011-07-29 07:31:27 -04:00
13a96baefc
Dirt simple logging
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Passes usertests and stressfs
Seems to recover correctly in a number of simple cases
2011-07-27 20:35:46 -04:00
4655d42e3b
copyout() copies data to a va in a pagetable, for exec() &c
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usertest that passes too many arguments, break exec
2010-09-27 16:14:33 -04:00
7d7dc9331b
kalloc/kfree now only a page at a time
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do not keep sorted contiguous free list
2010-08-31 12:54:47 -04:00
40889627ba
Initial version of single-cpu xv6 with page tables
2010-07-02 14:51:53 -04:00
902b13f5d6
simplify ide queuing
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nits in comments
2007-08-24 19:32:36 +00:00
2036534834
add missing iput() at end of _namei()
2007-08-24 14:56:17 +00:00
e9ddc7c099
NREQUEST = NBUF
2007-08-22 14:38:00 +00:00
eaea18cb9c
PDF at http://am.lcs.mit.edu/~rsc/xv6.pdf
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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
39593d2f1a
struct fd -> struct file
2006-09-06 18:38:56 +00:00
cea3c34644
spacing
2006-09-06 17:06:10 +00:00
2b19190c13
clean up stale error checks and panics
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delete unused functions
a few comments
2006-08-29 14:45:45 +00:00
6fa5ffb56f
devsw
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checkpoint: write(fd,"hello\n",6) where fd is a console dev almost works
2006-08-09 16:04:04 +00:00
11a9947f1a
bread
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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
7ea6c9d197
queue with disk requests
2006-07-10 19:06:48 +00:00
c41f1de5d4
file descriptors
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pipes
2006-06-27 14:35:53 +00:00
21a88fd487
checkpoint. booting second processor. stack is messed up, but thanks to cliff
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and plan 9 code, at least boots and gets into C code.
2006-06-22 01:28:57 +00:00
55e95b16db
import
2006-06-12 15:22:12 +00:00
Robert Morris
Frans Kaashoek
Robert Morris
Frans Kaashoek
rtm
rsc
kaashoek