Austin Clements
|
b1d41d6788
|
Remove the stack guard page. Processes are now contiguous from 0 to proc->sz, which means our syscall argument validation is correct. Add a pointer validation test and remove the stack test, which tested for the guard page.
|
2010-09-01 16:46:37 -04:00 |
|
|
Austin Clements
|
41c4bbb505
|
Make it easy to change the number of CPUs
|
2010-09-01 02:14:35 -04:00 |
|
|
Austin Clements
|
b0751a3e9b
|
Space police
|
2010-09-01 00:41:25 -04:00 |
|
|
Austin Clements
|
5efca9054f
|
Tab police
|
2010-09-01 00:32:27 -04:00 |
|
|
Austin Clements
|
5c4dc7395b
|
Merge branch 'master' of git+ssh://am.lcs/home/am0/6.828/xv6
|
2010-09-01 00:31:04 -04:00 |
|
|
Austin Clements
|
ba04b3e70e
|
Fix similar leak in copyuvm
|
2010-09-01 00:27:12 -04:00 |
|
|
Austin Clements
|
dd645ef119
|
Cleanup if allocuvm fails to alloc. Add a test.
|
2010-08-31 21:49:49 -04:00 |
|
Robert Morris
|
23c3e52c2f
|
Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6
|
2010-08-31 19:21:52 -04:00 |
|
|
Robert Morris
|
3597d5dc70
|
oops. last minute simplicifaction to kalloc().
|
2010-08-31 19:21:33 -04:00 |
|
|
Austin Clements
|
5048762c7e
|
Page break kalloc.c
|
2010-08-31 17:52:03 -04:00 |
|
|
Austin Clements
|
87b2099ae4
|
Our proc.c alignment is perfect. Since ksegment/usegment went away, we get a column back, so we get our two action-packed spreads.
|
2010-08-31 17:49:47 -04:00 |
|
|
Austin Clements
|
13b3f4d2e3
|
Make it possible to express half-page preferences
|
2010-08-31 17:46:30 -04:00 |
|
|
Austin Clements
|
fd462b6a01
|
Got the meat of spinlocks on one spread
|
2010-08-31 17:40:21 -04:00 |
|
|
Austin Clements
|
6a6bf37c3c
|
Swap bootmain.c and bootother.S. This puts the whole boot process on one spread, though it separates the two asm files.
|
2010-08-31 17:35:17 -04:00 |
|
|
Austin Clements
|
c7ceb71d57
|
Sheet 1 is a right page now because of the (much) longer cross-ref
|
2010-08-31 17:33:04 -04:00 |
|
|
Austin Clements
|
51e2a7b324
|
print depends on runoff.spec
|
2010-08-31 17:30:31 -04:00 |
|
|
Austin Clements
|
29c054df81
|
We don't use lesp/lebp and using them at all from C would be fraught with peril. Keep resp/rebp, but fix their code style.
|
2010-08-31 17:07:54 -04:00 |
|
|
Austin Clements
|
7914ab7214
|
Page breaking of mmu.h
|
2010-08-31 16:54:50 -04:00 |
|
|
Austin Clements
|
b5592b4d2f
|
Start PDE defs on new page
|
2010-08-31 16:47:50 -04:00 |
|
|
Austin Clements
|
92639b6ba9
|
Follow xv6 code style. Also fixes indexing for these functions
|
2010-08-31 16:43:41 -04:00 |
|
|
Austin Clements
|
37ee75f42e
|
Rearrange for better page breaking
|
2010-08-31 16:42:05 -04:00 |
|
|
Austin Clements
|
7472b2b451
|
Fix too-long lines
|
2010-08-31 16:26:08 -04:00 |
|
|
Austin Clements
|
04be8fb232
|
Rebalance TOC
|
2010-08-31 16:18:44 -04:00 |
|
|
Austin Clements
|
7b814133e4
|
Acknowledge patches
|
2010-08-31 16:13:20 -04:00 |
|
|
Austin Clements
|
1aee6a6c4f
|
Hopefully get the printf size spec right, regardless of compiler.
|
2010-08-31 16:01:38 -04:00 |
|
|
Robert Morris
|
8d774afb2d
|
no more pminit, or ELF header at 0x10000
kinit() knows about end and PHYSTOP
map all of kernel read/write (rather than r/o instructions)
thanks, austin
|
2010-08-31 15:39:25 -04:00 |
|
|
Austin Clements
|
880ee18ab1
|
mkfs must be compiled 32-bit. Fix mkfs warnings
|
2010-08-31 15:11:10 -04:00 |
|
|
Austin Clements
|
1e8035be53
|
Infer qemu path, just like in JOS
|
2010-08-31 15:05:27 -04:00 |
|
|
Austin Clements
|
0f0456ec53
|
Infer TOOLPREFIX, just like in JOS
|
2010-08-31 15:01:26 -04:00 |
|
Robert Morris
|
7d7dc9331b
|
kalloc/kfree now only a page at a time
do not keep sorted contiguous free list
|
2010-08-31 12:54:47 -04:00 |
|
|
Robert Morris
|
81b30b14d6
|
Merge remote branch 'origin/master' into page
|
2010-08-30 15:30:53 -04:00 |
|
|
Austin Clements
|
fe4623b99c
|
Fix for gdbstub argument change in qemu 0.11. Rename qemu-gdb-nox target to qemu-nox-gdb because you frequently want to add the gdb part, but rarely the nox part.
|
2010-08-30 12:22:08 -04:00 |
|
|
Robert Morris
|
3c9ff073e0
|
oops ended up with 2x vm.c
|
2010-08-30 11:17:54 -04:00 |
|
|
Robert Morris
|
979c5686b7
|
Merge remote branch 'origin/page' into page
|
2010-08-30 10:23:27 -04:00 |
|
|
Robert Morris
|
ac090078c6
|
xx
|
2010-08-30 10:13:49 -04:00 |
|
|
Robert Morris
|
4d972493b6
|
no more xv6.pdf .ps
|
2010-08-30 07:26:54 -04:00 |
|
|
Robert Morris
|
8d8d6c7be3
|
we don't need CR0_WP
|
2010-08-30 06:48:48 -04:00 |
|
|
Robert Morris
|
5ab868fd90
|
set only PG and WP in vminit; the rest don't seem to be needed and are confusing
|
2010-08-30 06:38:58 -04:00 |
|
Frans Kaashoek
|
d55b2fac07
|
Merge commit 'origin/page' into page
|
2010-08-26 08:03:18 -04:00 |
|
|
Frans Kaashoek
|
d87f51c5a1
|
add vm.c
|
2010-08-26 07:51:08 -04:00 |
|
|
Robert Morris
|
789b508d53
|
uptime() sys call for benchmarking
increase PHYSTOP
|
2010-08-11 14:34:45 -04:00 |
|
|
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 |
|