Commit graph

621 commits

Author SHA1 Message Date
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
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
Frans Kaashoek
af03ab142d a few nits
passes all tests on two-processor smp
2010-07-23 12:52:50 -04:00
Frans Kaashoek
b364c4b881 oops, vm.c 2010-07-23 12:52:35 -04:00
Frans Kaashoek
4714c20521 Checkpoint page-table version for SMP
Includes code for TLB shootdown (which actually seems unnecessary for xv6)
2010-07-23 07:41:13 -04:00
Frans Kaashoek
74c82bc158 nits 2010-07-02 17:45:37 -04:00
Frans Kaashoek
40889627ba Initial version of single-cpu xv6 with page tables 2010-07-02 14:51:53 -04:00
Russ Cox
b7a517f227 another rev2 -> rev3 2010-02-06 16:08:06 -05:00
Russ Cox
5d142a707d point at rev3 2010-02-06 12:55:09 -08:00
Frans Kaashoek
7d7465a858 8ae0 instead of 8e00, thanks yandong 2009-12-01 14:07:12 -05:00
Austin Clements
5e710e688e Add stressfs and gdbutil to dist 2009-11-23 17:50:58 -05:00
Austin Clements
b0170c4b82 GDB utilities 2009-11-23 17:47:57 -05:00
Austin Clements
f4c12f116d Add the test we used in lecture to creash the IDE system when the
locks were moved around.
2009-11-23 17:27:26 -05:00
Austin Clements
d6cd7d0804 Merge branch 'master' of git+ssh://am.lcs/home/am0/6.828/xv6 2009-10-24 21:31:08 -04:00
Austin Clements
745e73cd3d Comment typo 2009-10-24 21:31:01 -04:00
Frans Kaashoek
aaf63e62d7 Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6 2009-10-07 17:42:25 -04:00
Frans Kaashoek
ab777a9ad0 fine-tune comment 2009-10-07 17:42:14 -04:00
Frans Kaashoek
fb4868745c fine tune comment 2009-10-07 15:31:55 -04:00
Austin Clements
2c536bff67 Remove memcpy prototypes at Russ' request to prevent code from calling
memcpy directly.
2009-10-07 13:06:55 -04:00
Austin Clements
6639ce56d9 Provide memcpy for compatibility with older versions of gcc 2009-10-07 12:05:56 -04:00
Austin Clements
77a9aa55cd Record debug info for assmebly code 2009-10-05 13:20:23 -04:00
Austin Clements
29d8c2eebb Handle backspace on serial input and output better. Better solutions are welcome. 2009-09-30 22:32:50 -04:00
Austin Clements
bab819ed8d Be consistent with JOS make targets 2009-09-30 22:09:48 -04:00
Austin Clements
3adc415471 Hack to make newlines on the serial port work 2009-09-20 23:09:59 -04:00
Austin Clements
67f7909fe1 Use the symbol file 2009-09-20 23:08:36 -04:00
Austin Clements
01396b3a87 xv6 runs the console on the serial port, not the parallel port 2009-09-20 23:07:59 -04:00
Frans Kaashoek
ccd980bedf nit in comment 2009-09-20 20:19:58 -04:00
Silas Boyd-Wickizer
074ac7ccd4 add .gdbinit.tmpl to dist 2009-09-15 19:15:59 -04:00
Silas Boyd-Wickizer
8252f6287d add uart.c 2009-09-15 19:15:48 -04:00
Silas Boyd-Wickizer
01b667e45d rev3 2009-09-15 17:21:14 -04:00
Silas Boyd-Wickizer
37ba1c1ea6 ignore .gitignore 2009-09-15 17:21:02 -04:00
Silas Boyd-Wickizer
568bbae801 qemu-gdb target and script 2009-09-15 17:15:36 -04:00
Russ Cox
c51e175bf0 new pdf 2009-09-03 00:46:28 -07:00
Russ Cox
c9ee77b8a2 formatting tweaks 2009-09-03 00:46:15 -07:00
Russ Cox
d26025d124 can set just %gs now. 2009-09-02 10:09:34 -07:00
Russ Cox
7e0cc8e36e another attempt at cpu-local variables.
this time do it ourselves instead of piggybacking on TLS.
add -fno-pic to Makefile; pic code breaks our fake TLS.
2009-09-02 10:07:59 -07:00
Russ Cox
374362c55c lapic: disable microdelay because it makes Bochs slow 2009-09-02 10:06:37 -07:00
Russ Cox
f8ab2079cd fix TLS again;
still not quite but a lot better.
2009-09-02 07:59:24 -07:00