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Author SHA1 Message Date
Frans Kaashoek dccb915282 Merge commit 'origin/master' into page 2011-07-27 20:49:45 -04:00
Frans Kaashoek 13a96baefc Dirt simple logging 
Passes usertests and stressfs
Seems to recover correctly in a number of simple cases
 2011-07-27 20:35:46 -04:00
Austin Clements 97657d703f Add -fno-omit-frame-pointer to compile flags. 
At some point between gcc 4.4 and 4.6, omitting the frame pointer
became default if any -O is specified.  getcallerpcs relies on the
frame pointer, so bring it back.
 2011-06-24 14:22:19 -04:00
Nickolai Zeldovich 96b7da5f03 do not run past the end of the disk! 
[ cherry-picked de6075ff0978108daea1d658425bcb37663a98a0 ]

Conflicts:

	fs.c
 2011-06-24 05:26:57 -04:00
Frans Kaashoek f70ef994dc Russ's fix for panic remap 2011-04-28 08:01:36 -04:00
Russ Cox ae603ff5e7 rebuild xv6-rev5.tar.gz 
does not affect line numbers
 2011-02-28 09:32:54 -05:00
Russ Cox c5f5387351 fixes from Peter Froehlich 2011-02-28 09:32:20 -05:00
Russ Cox a6cd7509c4 web: rev5 2011-02-19 21:21:49 -05:00
Russ Cox 688b5c03dd updated book pdfs 2011-02-19 21:19:58 -05:00
Russ Cox cf4b1ad90b xv6: formatting, cleanup, rev5 (take 2) 2011-02-19 21:17:55 -05:00
Russ Cox 9c4fe7ba10 xv6: formatting, cleanup, rev5 2011-02-19 21:16:54 -05:00
Russ Cox 97b21b5838 xv6: refresh from 2010 page 2011-02-19 10:36:14 -05:00
Russ Cox 08864affaa xv6: link to xv6-rev4 2011-02-19 10:23:19 -05:00
Russ Cox 4fa8614db0 missing file memide.c 2011-01-11 13:54:23 -05:00
Russ Cox 417c37115e more trivial cleanup 2011-01-11 13:51:40 -05:00
Russ Cox 89bfdd4db1 multiboot support and memory-only (no disk) kernel 2011-01-11 13:27:45 -05:00
Russ Cox af6a6a4775 mp: do not panic on surprising hw 2011-01-11 13:16:28 -05:00
Russ Cox 1a81e38b17 make new code like old code 
Variable declarations at top of function,
separate from initialization.

Use == 0 instead of ! for checking pointers.

Consistent spacing around {, *, casts.

Declare 0-parameter functions as (void) not ().

Integer valued functions return -1 on failure, 0 on success.
 2011-01-11 13:01:13 -05:00
Russ Cox 240679608c mkfs: avoid clash with system struct stat 2011-01-10 10:43:40 -05:00
Russ Cox e92fd6142d mkfs: avoid out of bounds access to sb in wsect 2011-01-02 17:59:57 -05:00
Robert Morris 2ea6c764c3 even more fabulous exec 2010-09-29 14:12:26 -04:00
Robert Morris 06feabecee check exec() arg length 
fix double iunlockput
 2010-09-27 16:17:57 -04:00
Robert Morris 4655d42e3b copyout() copies data to a va in a pagetable, for exec() &c 
usertest that passes too many arguments, break exec
 2010-09-27 16:14:33 -04:00
Robert Morris a9183883b8 map kernel instructions r/o 2010-09-20 06:00:22 -04:00
Robert Morris 26d11ee8dc Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6 2010-09-19 13:48:22 -04:00
Robert Morris 05d66b0629 my comment is wrong, exec handles BSS fine 2010-09-19 13:47:52 -04:00
Robert Morris 4587b35847 exec questions 2010-09-19 07:18:42 -04:00
Austin Clements 4c274cef74 Simplify boot loader by removing some JOS'isms 2010-09-15 16:15:07 -04:00
Robert Morris faad047ab2 change some comments, maybe more informative 
delete most comments from bootother.S (since copy of bootasm.S)
ksegment() -> seginit()
move more stuff from main() to mainc()
 2010-09-13 15:34:44 -04:00
Austin Clements 124fe7e457 Rev 4 2010-09-03 15:47:28 -04:00
Austin Clements cc21c06e3b Update example in TOC footer 2010-09-02 19:03:48 -04:00
Austin Clements 588644f472 Consistent style in defs.h 2010-09-02 19:01:25 -04:00
Austin Clements 8440dbfee1 Get consoleintr back on one page 2010-09-02 18:54:50 -04:00
Austin Clements 08eef9eae5 Get cgaputc and consputc back on the same page 2010-09-02 18:50:49 -04:00
Austin Clements 5bf11c50b5 Get rid of the blank page in picirq.c. It misaligs things now. 2010-09-02 18:36:06 -04:00
Austin Clements 79cd8b3eed Simplify allocuvm/deallocuvm to operate in a contiguous memory model. This makes their interface match up better with proc->sz and also simplifies the callers (it even gets the main body of exec on one page). 2010-09-02 18:28:36 -04:00
Austin Clements d49d31381d Nits 2010-09-02 17:03:19 -04:00
Austin Clements 9a4670a138 Comment inituvm and loaduvm 2010-09-02 16:39:55 -04:00
Austin Clements 93a1e4cb07 Fix comment capitalization 2010-09-02 16:36:38 -04:00
Austin Clements f25a3f9a41 Rearrange vm.c so it's in logical order and prints nicely. Shorten a few functions in uninteresting ways to make them fit. 2010-09-02 16:23:15 -04:00
Austin Clements f53e6110be Simplify inituvm and userinit by assuming initcode fits on a page 2010-09-02 15:42:25 -04:00
Austin Clements b3cfd7fc37 Simplify freevm using deallocuvm 2010-09-02 15:18:19 -04:00
Austin Clements c7c21467c3 Oops. Broke the build when I rearranged proc.c 2010-09-02 14:30:06 -04:00
Austin Clements d599aa2e40 Remove unused nop_pause function. 2010-09-02 14:08:45 -04:00
Austin Clements d8828817d7 Rearrange proc.h and proc.c to get our action-packed spreads back (mostly). They also make sense in this order, so it's not just for page layout. 2010-09-02 04:15:17 -04:00
Austin Clements dd3ecd42cd Re-re-arrange bootasm and bootother. We can't get bootasm and bootmain on the same page, but this will make them easier to flip between. 2010-09-02 04:06:35 -04:00
Austin Clements d2c7f64978 I totally misunderstood the even/odd spec. Add some docs, remove my 'left+' hack, and orthogonalize left/right versus even/odd so you can specify them independently. 2010-09-02 04:03:42 -04:00
Austin Clements 9d7a63e073 Specify in runoff.spec which side sheet 1 is on, since it keeps changing 2010-09-02 03:57:20 -04:00
Austin Clements 0fa1ab632f Pack five columns into cross-ref. This saves us an entire page and fixes the single dangling line. 2010-09-02 03:56:36 -04:00
Austin Clements 1280d26802 Oops, missed a comment about the stack guard 2010-09-02 03:36:39 -04:00