Commit graph

845 commits

Author SHA1 Message Date
kaashoek
0b6ab8416e don't send keyboard interrupts to the second cpu, if we have only one cpu.
xv6 seems to work fine on uniprocessor now.
2006-09-03 17:34:09 +00:00
kaashoek
7abf49d2f2 remove duplication
don't use the same name for two different pieces of code
2006-09-03 15:39:29 +00:00
kaashoek
801affcd14 centralize credits 2006-09-03 15:10:33 +00:00
kaashoek
97a5bba6d2 index for printout
some cleanup
2006-09-03 14:38:10 +00:00
rtm
2aa4c3bc29 complain if no disk 1
lots of cleanup
2006-08-30 18:55:06 +00:00
rtm
18432ed5ed nits 2006-08-29 21:35:30 +00:00
rtm
7a37578e9e clear killed flag in exit
idecref cwd in exit
2006-08-29 19:59:52 +00:00
rtm
dfcc5b997c prune unneeded panics and debug output 2006-08-29 19:06:37 +00:00
kaashoek
d7ce6545e7 better printout 2006-08-29 17:50:19 +00:00
rtm
3b95801add i broke sbrk, fix it 2006-08-29 17:01:40 +00:00
rtm
2b19190c13 clean up stale error checks and panics
delete unused functions
a few comments
2006-08-29 14:45:45 +00:00
kaashoek
b52151e032 some text in readme
generate postscript printout
2006-08-28 18:31:33 +00:00
kaashoek
45b6fe7e1a remove smallcap version 2006-08-28 15:24:23 +00:00
rtm
03c70cc2e6 consistently ignore more than 14 chars in path component
forbid create or write of existing directory
mkdir("d1/d2/d3"), .. should refer to d2, not cwd
mkdir increase parent link count
2006-08-26 16:31:05 +00:00
rtm
a6c28c9779 mkdir check error from mknod
chdir return -1 if target not a dir
2006-08-26 15:06:59 +00:00
rtm
a84585de63 fstests bugs 2006-08-25 01:37:54 +00:00
rtm
80f292f830 fix writing the indirect block 2006-08-25 01:25:22 +00:00
rtm
5051da6de3 inode addrs[NDIRECT] -> NADDRS
fix race in mknod / creat
use last component in dirent in mknod, not path
2006-08-25 01:11:30 +00:00
kaashoek
74493bf446 kill user process when it generates an unhandled trap (e.g., 13)
fix bug in test code of malloc
2006-08-25 00:43:17 +00:00
kaashoek
81d5219998 bug in sbrk
test malloc
2006-08-24 19:24:36 +00:00
rtm
bcfb84b6a9 big directory test 2006-08-24 19:21:19 +00:00
kaashoek
1be7668537 fix bugs in indirect-file code
clean up test program
2006-08-24 17:28:01 +00:00
kaashoek
ea2909b6b5 user-level malloc (untested)
nit in sbrk
indirect block
fix dup to share fd struct
2006-08-24 02:44:41 +00:00
kaashoek
8b58e81077 i/o redirection in sh
better parsing of sh commands (copied from jos sh)
cat: read from 1 if no args
sbrk system call, but untested
getpid system call
moved locks in keyboard intr, but why do we get intr w. null characters from keyboard?
2006-08-23 01:09:24 +00:00
kaashoek
f18ab5c04e compiling, but untested dup 2006-08-20 03:33:01 +00:00
kaashoek
16083d4462 removed block system call
renumber system calls (run gmake clean!)
skeleton for dup system call
2006-08-20 03:08:54 +00:00
kaashoek
8787cd01df chdir
cd in shell
nits in mkdir, ls, etc.
2006-08-19 23:41:34 +00:00
rtm
ceb0e42796 proc[0] can sleep(), at least after it gets to main00()
proc[0] calls iget(rootdev, 1) before forking init
2006-08-16 01:56:00 +00:00
rtm
350e63f7a9 no more proc[] entry per cpu for idle loop
each cpu[] has its own gdt and tss
no per-proc gdt or tss, re-write cpu's in scheduler (you win, cliff)
main0() switches to cpu[0].mpstack
2006-08-15 22:18:20 +00:00
kaashoek
69332d1918 oops 2006-08-15 15:54:53 +00:00
kaashoek
e958c538fa commented out code for cwd 2006-08-15 15:53:46 +00:00
kaashoek
d7b3b802f4 user-level programs: mkdir and rm
shell parses arguments (very simplistic)
readme version of README (sh doesn't deal with capital characters)
printf recognizes %c
nicer output format for ls
2006-08-14 21:22:13 +00:00
kaashoek
bdb6643303 set size for directories correctly in wdir and mkfs
mkdir
ls shows stat info for each dir entry
2006-08-14 14:13:52 +00:00
kaashoek
d15f0d1033 start on mkdir
stat
2006-08-14 03:00:13 +00:00
rtm
e4bcd2a3a9 wdir now uses readi/writei 2006-08-13 20:06:42 +00:00
rtm
17e3cf15ba fix iget() bug that allocated in-use inode[] entries 2006-08-13 15:51:58 +00:00
kaashoek
8abe2bcf15 don't print unallocated dir entries 2006-08-13 15:05:58 +00:00
rtm
211ff0c67e namei returns locked parent dir inode for create / unlink
don't hold fd table lock across idecref() (latter does block i/o)
idecref calls iput() in case last ref -> freeing inode
dir size is 512 * # blocks, so readi/writei &c work
unlink deletes dirent even if ip->nlink > 0
2006-08-13 12:22:44 +00:00
kaashoek
c372e8dc34 zero freed blocks
multi-block directories
track size of directory (size = number entries in use)
should namei (and other code that scans through directories) scan through all blocks of a directory and not use size?
2006-08-13 05:28:04 +00:00
rtm
9e5970d596 link() 2006-08-13 02:12:44 +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
kaashoek
22bac2cb9d free inode only when noone is holding a pointer to it. should fix open-unlink-
read problem, but untested
2006-08-12 22:03:01 +00:00
rtm
14938f9392 buffer cache, fifo replacement 2006-08-12 17:17:35 +00:00
rtm
7ce01cf9be mknod set nlink = 1
usertests for concurrent create/delete, and read() after unlink()
2006-08-12 16:47:48 +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
kaashoek
1f544842ce fstat
primitive ls
2006-08-12 04:33:50 +00:00
kaashoek
0633b9715e unlink,mknod,create with multi-component pathnames should work now
remove console init code from userfs
2006-08-12 01:25:45 +00:00
kaashoek
24437cd554 fix deadlock---iput(dp) asap
working unlink, but doesn't free dir blocks that become empty
remove out-of-date comment in ioapic
2006-08-11 18:18:38 +00:00
rtm
17a856577f init creates console, opens 0/1/2, runs sh
sh accepts 0-argument commands (like userfs)
reads from console
2006-08-11 13:55:18 +00:00