| #
4655d42e |
| 27-Sep-2010 |
Robert Morris <rtm@csail.mit.edu> |
copyout() copies data to a va in a pagetable, for exec() &c
usertest that passes too many arguments, break exec
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| #
a9183883 |
| 20-Sep-2010 |
Robert Morris <rtm@csail.mit.edu> |
map kernel instructions r/o
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| #
faad047a |
| 13-Sep-2010 |
Robert Morris <rtm@csail.mit.edu> |
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()
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|
Revision tags: xv6-2010, xv6-rev4 |
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| #
79cd8b3e |
| 02-Sep-2010 |
Austin Clements <amdragon@mit.edu> |
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
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).
show more ...
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| #
9a4670a1 |
| 02-Sep-2010 |
Austin Clements <amdragon@mit.edu> |
Comment inituvm and loaduvm
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| #
93a1e4cb |
| 02-Sep-2010 |
Austin Clements <amdragon@mit.edu> |
Fix comment capitalization
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| #
f25a3f9a |
| 02-Sep-2010 |
Austin Clements <amdragon@mit.edu> |
Rearrange vm.c so it's in logical order and prints nicely. Shorten a few functions in uninteresting ways to make them fit.
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| #
f53e6110 |
| 02-Sep-2010 |
Austin Clements <amdragon@mit.edu> |
Simplify inituvm and userinit by assuming initcode fits on a page
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| #
b3cfd7fc |
| 02-Sep-2010 |
Austin Clements <amdragon@mit.edu> |
Simplify freevm using deallocuvm
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| #
d3ecf3eb |
| 01-Sep-2010 |
Austin Clements <amdragon@mit.edu> |
Slight simplification of copyuvm. We could simplify other things now that processes are contiguous, but we'd have to think harder about the error paths.
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| #
b0751a3e |
| 01-Sep-2010 |
Austin Clements <amdragon@mit.edu> |
Space police
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| #
5efca905 |
| 01-Sep-2010 |
Austin Clements <amdragon@mit.edu> |
Tab police
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| #
ba04b3e7 |
| 01-Sep-2010 |
Austin Clements <amdragon@mit.edu> |
Fix similar leak in copyuvm
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| #
dd645ef1 |
| 01-Sep-2010 |
Austin Clements <amdragon@mit.edu> |
Cleanup if allocuvm fails to alloc. Add a test.
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| #
8d774afb |
| 31-Aug-2010 |
Robert Morris <rtm@csail.mit.edu> |
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
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| #
7d7dc933 |
| 31-Aug-2010 |
Robert Morris <rtm@nephron.lcs.mit.edu> |
kalloc/kfree now only a page at a time
do not keep sorted contiguous free list
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| #
ac090078 |
| 30-Aug-2010 |
Robert Morris <rtm@nephron.lcs.mit.edu> |
xx
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| #
8d8d6c7b |
| 30-Aug-2010 |
Robert Morris <rtm@nephron.lcs.mit.edu> |
we don't need CR0_WP
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| #
5ab868fd |
| 30-Aug-2010 |
Robert Morris <rtm@nephron.lcs.mit.edu> |
set only PG and WP in vminit; the rest don't seem to be needed and are confusing
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| #
789b508d |
| 11-Aug-2010 |
Robert Morris <rtm@nephron.lcs.mit.edu> |
uptime() sys call for benchmarking
increase PHYSTOP
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| #
83d2db91 |
| 10-Aug-2010 |
Robert Morris <rtm@nephron.lcs.mit.edu> |
allow sbrk(-x) to de-allocate user memory
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| #
c4cc10da |
| 06-Aug-2010 |
Robert Morris <rtm@nephron.lcs.mit.edu> |
fix corner cases in exec of ELF
put an invalid page below the stack
have fork() handle invalid pages
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| #
1afc9d3f |
| 06-Aug-2010 |
Robert Morris <rtm@nephron.lcs.mit.edu> |
add some comments
find out the hard way why user and kernel must have separate segment descriptors
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| #
c9959978 |
| 05-Aug-2010 |
Robert Morris <rtm@nephron.lcs.mit.edu> |
remove some unused vm #defines
fix corner cases with alignment when mapping kernel ELF file
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| #
2cf6b32d |
| 05-Aug-2010 |
Robert Morris <rtm@nephron.lcs.mit.edu> |
move jkstack to main.c
replace jstack with asm()s
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