ilo-pona/xv6-65oo2
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124 commits

Author SHA1 Message Date
Peter H. Froehlich 5faed8ba64 Fixed QEMU command line avoids raw image warning. 2016-08-18 14:30:30 -04:00
Peter H. Froehlich 216fdf846f Again, QEMU command line to avoid image warning. 2016-08-18 11:20:43 -04:00
Robert Morris 19f65413bd hold ptable.lock for the entire process creation 
however, processes still modify their own p->* without locking
 2016-08-13 03:44:13 -04:00
Frans Kaashoek ecb40fb19d coding style (per Jeremías Feltan <jeremias.feltan@gmail.com>) 2015-06-30 16:23:56 -04:00
Austin Clements 41f16c2183 Increase VM memory when running qemu-memfs 
Presumably because of the pre-loaded file system, the default RAM is
insufficient when running kernelmemfs
 2014-10-03 09:44:26 -04:00
Austin Clements 8e54196355 Make kernelmemfs depend on kernel.ld 2014-10-03 09:43:44 -04:00
Austin Clements 0dd991dd20 Fix kernelmemfs linking 
Commit 9aa0337d introduced a linker script for linking the kernel image,
but only changed the kernel target to use it.  kernelmemfs was still
using the old linker command line arguments, which weren't sufficient.
 2014-10-03 09:39:09 -04:00
Frans Kaashoek 053082fbed ggdb -> gdwarf-2 for gcc4.8 2014-09-23 07:39:32 -04:00
Frans Kaashoek 75dee1219f Oops (thanks David Lawrence) 2014-09-08 18:00:53 -04:00
Frans Kaashoek 86188d9d49 newer versions of qemu have different binary names (per Joel Nider <joel@nider.org>) 2014-07-31 11:15:15 -04:00
Cam Tenny 241c068066 Prevent extra rebuild of fs.img by keeping intermediate object files. 2012-10-24 18:52:40 -04:00
Frans Kaashoek cf57e525c1 Remove -m32 flag from native gcc compiler 
But check that mkfs.c is building with LP64
 2012-09-07 17:39:04 -04:00
Austin Clements 09b1909163 Re-alphabetize OBJS 2011-09-05 23:45:04 -04:00
Austin Clements b1c66ca899 Sync up clean and gitignore better 2011-09-05 15:21:40 -04:00
Austin Clements 68b5872716 kernel depends on kernel.ld 2011-09-04 15:19:43 -04:00
Austin Clements e33873067b Add QEMUEXTRA environment to add extra QEMU arguments, like in JOS 2011-09-04 15:19:33 -04:00
Austin Clements 215a9ce237 A few missed xv6.pdf dependencies 2011-09-02 16:36:08 -04:00
Austin Clements dd4438b4fe Nuke data.S, since we do have a custom linker script. 2011-09-02 14:51:55 -04:00
Frans Kaashoek 427958cb71 Update make clean 2011-08-15 20:32:04 -04:00
Frans Kaashoek a4b213cf49 Avoid "boot" in xv6 2011-08-15 20:11:13 -04:00
Frans Kaashoek c60a3551c2 Separate more clearly bootloader from xv6 by renaming multiboot.S to entry.S etc. 
Maybe the string boot shouldn't appear in xv6 code?
 2011-08-15 12:02:59 -04:00
Frans Kaashoek bd71a45046 Make AP processors boot using bootpgdir 
Remove device mapping from bootpgdir
Remove unnecessary vmenable
Set CPUS back to 2 in Makefile
Passes all usertests
 2011-08-11 12:25:10 -04:00
Frans Kaashoek 66ba8079c7 Use static page table for boot, mapping first 4Mbyte; no more segment trick 
Allocate proper kernel page table immediately in main using boot allocator
Remove pginit
Simplify address space layout a tiny bit
More to come (e.g., superpages to simplify static table)
 2011-08-09 21:37:35 -04:00
Frans Kaashoek b23d8329e7 Allow gas to use / as divide (instead of comment) 
Maybe not necessary, but don't want to waste time figuring this out again
 2011-08-09 16:09:15 -04:00
Frans Kaashoek 9aa0337dc1 Map kernel high 
Very important to give qemu memory through PHYSTOP :(
 2011-07-29 07:31:27 -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
Russ Cox cf4b1ad90b xv6: formatting, cleanup, rev5 (take 2) 2011-02-19 21:17:55 -05:00
Russ Cox 89bfdd4db1 multiboot support and memory-only (no disk) kernel 2011-01-11 13:27:45 -05:00
Austin Clements 124fe7e457 Rev 4 2010-09-03 15:47:28 -04:00
Austin Clements 41c4bbb505 Make it easy to change the number of CPUs 2010-09-01 02:14:35 -04:00
Austin Clements 51e2a7b324 print depends on runoff.spec 2010-08-31 17:30:31 -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 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 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 40889627ba Initial version of single-cpu xv6 with page tables 2010-07-02 14:51:53 -04:00
Austin Clements 5e710e688e Add stressfs and gdbutil to dist 2009-11-23 17:50:58 -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 77a9aa55cd Record debug info for assmebly code 2009-10-05 13:20:23 -04:00
Austin Clements bab819ed8d Be consistent with JOS make targets 2009-09-30 22:09:48 -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
Silas Boyd-Wickizer 074ac7ccd4 add .gdbinit.tmpl to dist 2009-09-15 19:15:59 -04:00
Silas Boyd-Wickizer 01b667e45d rev3 2009-09-15 17:21:14 -04:00
Silas Boyd-Wickizer 568bbae801 qemu-gdb target and script 2009-09-15 17:15:36 -04:00
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
Nickolai Zeldovich 45a9782636 fix bootblock build with gcc 4.4 2009-09-02 02:03:46 -04:00
Russ Cox 48755214c9 assorted fixes: 
* rename c/cp to cpu/proc
 * rename cpu.context to cpu.scheduler
 * fix some comments
 * formatting for printout
 2009-08-30 23:02:08 -07:00