Ben Pfaff [Mon, 20 Jun 2005 22:56:12 +0000 (22:56 +0000)]
Fix file name.
Ben Pfaff [Mon, 20 Jun 2005 22:55:59 +0000 (22:55 +0000)]
Don't print output for triple faults.
Ben Pfaff [Mon, 20 Jun 2005 22:55:36 +0000 (22:55 +0000)]
Don't print recursive reboots.
Ben Pfaff [Mon, 20 Jun 2005 21:53:43 +0000 (21:53 +0000)]
Allow decimal point in percentages.
Ben Pfaff [Mon, 20 Jun 2005 21:26:49 +0000 (21:26 +0000)]
Fix handling of timeouts.
Ben Pfaff [Mon, 20 Jun 2005 21:01:51 +0000 (21:01 +0000)]
Change line spacing.
Ben Pfaff [Mon, 20 Jun 2005 20:59:24 +0000 (20:59 +0000)]
Always print output for failing test cases.
Ben Pfaff [Mon, 20 Jun 2005 20:59:12 +0000 (20:59 +0000)]
Add timeouts.
Ben Pfaff [Mon, 20 Jun 2005 20:31:32 +0000 (20:31 +0000)]
Revise.
Ben Pfaff [Mon, 20 Jun 2005 20:24:19 +0000 (20:24 +0000)]
Add grading system.
Ben Pfaff [Mon, 20 Jun 2005 20:11:45 +0000 (20:11 +0000)]
Use file count of 20.
Ben Pfaff [Mon, 20 Jun 2005 20:11:01 +0000 (20:11 +0000)]
Update.
Ben Pfaff [Mon, 20 Jun 2005 17:54:20 +0000 (17:54 +0000)]
Recommend integrating cache early.
Ben Pfaff [Sun, 19 Jun 2005 18:55:55 +0000 (18:55 +0000)]
Comment fixes.
Ben Pfaff [Sun, 19 Jun 2005 18:55:30 +0000 (18:55 +0000)]
Comment fixes.
Ben Pfaff [Sun, 19 Jun 2005 18:53:22 +0000 (18:53 +0000)]
Unused source file.
Ben Pfaff [Sun, 19 Jun 2005 05:48:04 +0000 (05:48 +0000)]
Adjust FAQ section naming for consistency.
Ben Pfaff [Sun, 19 Jun 2005 05:41:39 +0000 (05:41 +0000)]
Install templates.
Ben Pfaff [Sun, 19 Jun 2005 05:38:20 +0000 (05:38 +0000)]
Get rid of .png rules that are no longer used.
Ben Pfaff [Sun, 19 Jun 2005 05:36:00 +0000 (05:36 +0000)]
Add texinfo.tex.
Ben Pfaff [Sun, 19 Jun 2005 05:13:15 +0000 (05:13 +0000)]
Use binutils 2.15, not 2.16, because it doesn't have a bug in the
implementation of lidt and lgdt that bites us.
Ben Pfaff [Sun, 19 Jun 2005 03:44:53 +0000 (03:44 +0000)]
Add Algorithms::Diff to source tree for systems that don't have it
installed publicly.
Ben Pfaff [Sun, 19 Jun 2005 03:20:25 +0000 (03:20 +0000)]
Make tests public. Rewrite most tests. Add tests.
Major revisions to documentation and assignments.
Implement good solutions to all assignments.
Rewrite pintos script, fsutils, and Pintos command line parsing to
support put, get of multiple files.
New pintos-mkdisk script for what pintos doesn't do anymore.
Make backtrace more friendly.
Major revisions to base file system.
Get rid of names passed to synch primitives.
Break intr_register() into intr_register_ext() and intr_register_int().
Revise bitmap code.
Add console_locked_by_current_thread() and use it.
munmap() has void return value (in lib/user/syscall.c).
Update expected tools versions.
Document use of qemu.
Add realloc() function to malloc implementation.
Add is_user_vaddr() and is_kernel_vaddr(), use in mmu.h.
Add sema_try_down(), lock_try_acquire().
Add memory barrier.
Extend default time slice to 4 ticks and calculate time slices
properly (don't just switch whenever timer_ticks() % 4 == 0).
Fix writing to palloc'd memory without checking against null
in pagedir_create().
Invalidate TLB when we mark pages not accessed or not dirty.
Revise other pagedir code.
Make load() less nasty-looking.
Ben Pfaff [Thu, 26 May 2005 20:23:37 +0000 (20:23 +0000)]
Update.
Ben Pfaff [Thu, 26 May 2005 20:21:35 +0000 (20:21 +0000)]
Get rid of unnecessary barrier. Improve comment.
Ben Pfaff [Wed, 25 May 2005 05:00:51 +0000 (05:00 +0000)]
Update.
Ben Pfaff [Wed, 25 May 2005 04:29:09 +0000 (04:29 +0000)]
Update.
Ben Pfaff [Wed, 25 May 2005 04:29:00 +0000 (04:29 +0000)]
How to debug user programs with gdb.
Ben Pfaff [Tue, 24 May 2005 23:20:19 +0000 (23:20 +0000)]
Update.
Ben Pfaff [Mon, 23 May 2005 17:18:49 +0000 (17:18 +0000)]
Update.
Ben Pfaff [Tue, 17 May 2005 01:36:51 +0000 (01:36 +0000)]
Update Intel manual URLs.
Ben Pfaff [Thu, 12 May 2005 04:15:47 +0000 (04:15 +0000)]
Fix line wrapping.
Ben Pfaff [Thu, 12 May 2005 03:25:31 +0000 (03:25 +0000)]
Update
Ben Pfaff [Thu, 12 May 2005 03:23:46 +0000 (03:23 +0000)]
Update
Ben Pfaff [Thu, 12 May 2005 01:46:03 +0000 (01:46 +0000)]
Update
Ben Pfaff [Thu, 12 May 2005 01:43:51 +0000 (01:43 +0000)]
Update
Ben Pfaff [Tue, 10 May 2005 23:09:34 +0000 (23:09 +0000)]
Standard disk assignments.
Ben Pfaff [Wed, 13 Apr 2005 05:32:09 +0000 (05:32 +0000)]
Use runtime options instead of conditional compilation for MLFQS,
RANDOM_REPLACEMENT, extra credit. Update documentation, grading.
Ben Pfaff [Wed, 13 Apr 2005 05:20:30 +0000 (05:20 +0000)]
Clean TAGS, tags targets.
Ben Pfaff [Tue, 12 Apr 2005 06:27:56 +0000 (06:27 +0000)]
Align comments.
Ben Pfaff [Tue, 12 Apr 2005 06:09:46 +0000 (06:09 +0000)]
Update message.
Ben Pfaff [Tue, 12 Apr 2005 05:43:46 +0000 (05:43 +0000)]
Update message.
Ben Pfaff [Tue, 12 Apr 2005 05:26:35 +0000 (05:26 +0000)]
Revise.
Ben Pfaff [Tue, 12 Apr 2005 05:24:37 +0000 (05:24 +0000)]
Get rid of file system "dump" operations because they weren't useful
and occasionally provoked student questions.
Ben Pfaff [Tue, 12 Apr 2005 05:09:28 +0000 (05:09 +0000)]
Clean better.
Ben Pfaff [Tue, 12 Apr 2005 05:05:47 +0000 (05:05 +0000)]
Get rid of DEBUG macro, supporting code, and documentation,
because no one ever used it.
Ben Pfaff [Thu, 7 Apr 2005 18:00:06 +0000 (18:00 +0000)]
In idle(), "sti; hlt" must be atomic or we can waste time waiting for
the next clock tick.
Fix inspired by Linus Torvalds in message
<Pine.LNX.4.58.
0504071000450.28951@ppc970.osdl.org>.
Ben Pfaff [Wed, 6 Apr 2005 21:13:18 +0000 (21:13 +0000)]
Update.
Ben Pfaff [Wed, 6 Apr 2005 21:13:00 +0000 (21:13 +0000)]
Enhance shell.
Ben Pfaff [Wed, 6 Apr 2005 20:56:02 +0000 (20:56 +0000)]
Enhance shell.
Ben Pfaff [Wed, 6 Apr 2005 20:55:40 +0000 (20:55 +0000)]
Add ls, mkdir user test programs.
Ben Pfaff [Wed, 6 Apr 2005 18:55:18 +0000 (18:55 +0000)]
Revise.
Ben Pfaff [Wed, 6 Apr 2005 18:50:41 +0000 (18:50 +0000)]
Fixed an issue.
Ben Pfaff [Wed, 6 Apr 2005 18:47:48 +0000 (18:47 +0000)]
Add SUBMAKEFLAGS.
Move < from apply-patch to invocations.
Ben Pfaff [Wed, 6 Apr 2005 18:47:26 +0000 (18:47 +0000)]
Only need single 0x90.
Ben Pfaff [Wed, 6 Apr 2005 18:47:14 +0000 (18:47 +0000)]
Always use a custom linker script, to avoid oddities in the default.
Put linker scripts in lib/user.
Eliminate redundant dependency in Makefile.userprog.
Document change.
Ben Pfaff [Wed, 6 Apr 2005 18:44:37 +0000 (18:44 +0000)]
Add `dirs' target.
Simplify and improve.
Ben Pfaff [Tue, 5 Apr 2005 23:56:39 +0000 (23:56 +0000)]
Fix comment.
Ben Pfaff [Fri, 1 Apr 2005 22:12:43 +0000 (22:12 +0000)]
Update to match printf() fix.
Ben Pfaff [Fri, 1 Apr 2005 21:09:03 +0000 (21:09 +0000)]
Add stdio test.
Ben Pfaff [Fri, 1 Apr 2005 21:08:47 +0000 (21:08 +0000)]
Improve test program.
Ben Pfaff [Fri, 1 Apr 2005 21:06:38 +0000 (21:06 +0000)]
Fix parenthesization.
Ben Pfaff [Fri, 1 Apr 2005 21:03:40 +0000 (21:03 +0000)]
Fix more printf() conformance problems.
Ben Pfaff [Fri, 1 Apr 2005 19:31:31 +0000 (19:31 +0000)]
Revert to old version because it doesn't break preprocessor
directives.
Ben Pfaff [Fri, 1 Apr 2005 18:44:07 +0000 (18:44 +0000)]
Make sure PTRDIFF_MIN, PTRDIFF_MAX, and SIZE_MAX have the proper types.
Ben Pfaff [Fri, 1 Apr 2005 18:43:22 +0000 (18:43 +0000)]
127 is a control character.
Ben Pfaff [Fri, 1 Apr 2005 00:12:11 +0000 (00:12 +0000)]
Update.
Ben Pfaff [Fri, 1 Apr 2005 00:11:54 +0000 (00:11 +0000)]
Fix comment.
Ben Pfaff [Fri, 1 Apr 2005 00:10:50 +0000 (00:10 +0000)]
Improve.
Ben Pfaff [Thu, 31 Mar 2005 04:58:27 +0000 (04:58 +0000)]
Move problem 1-2 (join) into project 2 as the "wait" system call.
Update the documentation, solutions, grading scripts, and regression
tests.
In execute_thread(), rephrase the code slightly.
Move process_activate() call from execute_thread() to load() to remove
potential race condition that students and TAs found confusing.
Add memory barrier in process_exit().
Ben Pfaff [Wed, 30 Mar 2005 07:31:07 +0000 (07:31 +0000)]
Update.
Ben Pfaff [Wed, 30 Mar 2005 06:11:53 +0000 (06:11 +0000)]
Update license section.
Ben Pfaff [Wed, 30 Mar 2005 06:11:08 +0000 (06:11 +0000)]
Talk about license in intro to docs.
Ben Pfaff [Wed, 30 Mar 2005 05:17:28 +0000 (05:17 +0000)]
Replace quick_sort() that uses quick sort and O(lg n) space
by sort() that uses heap sort and O(1) space.
Ben Pfaff [Wed, 30 Mar 2005 02:11:12 +0000 (02:11 +0000)]
Reimplement list_sort() iteratively, reducing memory requirements to
O(1).
Remove list_merge().
Ben Pfaff [Tue, 29 Mar 2005 23:45:38 +0000 (23:45 +0000)]
Update.
Ben Pfaff [Tue, 29 Mar 2005 23:45:14 +0000 (23:45 +0000)]
Add printf() test.
Ben Pfaff [Tue, 29 Mar 2005 07:41:20 +0000 (07:41 +0000)]
Update mmap() tests.
Change MAPID_ERROR to MAP_FAILED to be closer to POSIX.
Ben Pfaff [Tue, 29 Mar 2005 07:40:25 +0000 (07:40 +0000)]
Change list_elem from typedef to struct.
Ditto for hash_elem.
Ben Pfaff [Mon, 28 Mar 2005 06:39:38 +0000 (06:39 +0000)]
Add TODOs.
Ben Pfaff [Mon, 28 Mar 2005 06:14:18 +0000 (06:14 +0000)]
Add TODOs.
Ben Pfaff [Thu, 24 Mar 2005 09:01:16 +0000 (09:01 +0000)]
Fix 3 distinct bugs reported by Cristian Cadar.
Ben Pfaff [Thu, 24 Mar 2005 06:37:53 +0000 (06:37 +0000)]
Update mmap, munmap stubs to match new prototypes.
Ben Pfaff [Wed, 23 Mar 2005 23:31:36 +0000 (23:31 +0000)]
Fix handling of `+' and ` ' flags for unsigned conversions in
printf(). Thanks to Cristian Cadar for reporting this bug.
Ben Pfaff [Fri, 18 Mar 2005 17:33:07 +0000 (17:33 +0000)]
Update.
Ben Pfaff [Thu, 17 Mar 2005 18:52:52 +0000 (18:52 +0000)]
When run.out is missing in &grade_test, just return an error that
preparation failed, instead of dying. This can happen legitimately
when a `pintos put' fails.
Ben Pfaff [Thu, 17 Mar 2005 18:23:05 +0000 (18:23 +0000)]
Remove patch no longer needed.
Ben Pfaff [Thu, 10 Mar 2005 19:40:43 +0000 (19:40 +0000)]
Update.
Ben Pfaff [Sat, 5 Mar 2005 20:24:35 +0000 (20:24 +0000)]
More to-do.
Ben Pfaff [Sat, 5 Mar 2005 19:47:28 +0000 (19:47 +0000)]
Crossport 1.2.4.1 to main.
Ben Pfaff [Sat, 5 Mar 2005 19:45:57 +0000 (19:45 +0000)]
Crossport 1.2.4.1 into main.
Ben Pfaff [Sat, 5 Mar 2005 07:34:24 +0000 (07:34 +0000)]
Update.
Ben Pfaff [Sat, 5 Mar 2005 07:33:56 +0000 (07:33 +0000)]
Make mmap use segment IDs.
Ben Pfaff [Sat, 5 Mar 2005 07:14:52 +0000 (07:14 +0000)]
Fix menu.
Ben Pfaff [Sat, 5 Mar 2005 05:33:37 +0000 (05:33 +0000)]
Update.
Ben Pfaff [Sat, 5 Mar 2005 05:33:07 +0000 (05:33 +0000)]
Comment.
Ben Pfaff [Sat, 5 Mar 2005 05:31:47 +0000 (05:31 +0000)]
Update documentation.
Ben Pfaff [Sat, 5 Mar 2005 05:21:27 +0000 (05:21 +0000)]
More to do.
Ben Pfaff [Fri, 25 Feb 2005 07:46:58 +0000 (07:46 +0000)]
Update.
Ben Pfaff [Thu, 24 Feb 2005 22:23:50 +0000 (22:23 +0000)]
active_pd() should return a virtual address. Thanks to Guy Isely
<guyi@stanford.edu> for reporting this bug.