Commit graph

60 commits

Author SHA1 Message Date
Robert Morris
83d2db91f7 allow sbrk(-x) to de-allocate user memory 2010-08-10 17:08:41 -04:00
Robert Morris
c4cc10da7e fix corner cases in exec of ELF
put an invalid page below the stack
have fork() handle invalid pages
2010-08-06 11:12:18 -04:00
Robert Morris
1afc9d3fca add some comments
find out the hard way why user and kernel must have separate segment descriptors
2010-08-05 21:16:55 -04:00
Robert Morris
c99599784e remove some unused vm #defines
fix corner cases with alignment when mapping kernel ELF file
2010-08-05 16:00:59 -04:00
Robert Morris
2cf6b32d4d move jkstack to main.c
replace jstack with asm()s
2010-08-05 14:15:03 -04:00
Robert Morris
eb18645f17 fix allocuvm() to handle sbrk() with non-page-granularity argument
(maybe this never worked, but it works now)
2010-08-05 12:10:54 -04:00
Frans Kaashoek
b738a4f1a2 kill TLB shoot down code 2010-07-28 14:38:05 -04:00
Frans Kaashoek
de40730dad more cleanup 2010-07-26 08:10:02 -04:00
Frans Kaashoek
30f5bf0548 some cleanup 2010-07-25 20:30:21 -04:00
Frans Kaashoek
b364c4b881 oops, vm.c 2010-07-23 12:52:35 -04:00