pintos-anon
18 years agoDon't read anything from the disk for a segment with p_filesz == 0.
Ben Pfaff [Sat, 8 Apr 2006 18:34:47 +0000 (18:34 +0000)]
Don't read anything from the disk for a segment with p_filesz == 0.
Thanks to Godmar Back for reporting this bug.

18 years agoStyle.
Ben Pfaff [Sat, 8 Apr 2006 00:23:55 +0000 (00:23 +0000)]
Style.

18 years agoFix for Bochs 2.2.6.
Ben Pfaff [Sat, 8 Apr 2006 00:23:31 +0000 (00:23 +0000)]
Fix for Bochs 2.2.6.
(I think this might actually be a bug in Bochs, though.)

18 years agoFix clock: line in bochsrc.
Ben Pfaff [Fri, 7 Apr 2006 23:17:50 +0000 (23:17 +0000)]
Fix clock: line in bochsrc.

18 years agoUtility for invoking the proper GDB and loading Pintos macros.
Ben Pfaff [Fri, 7 Apr 2006 18:30:09 +0000 (18:30 +0000)]
Utility for invoking the proper GDB and loading Pintos macros.

18 years agoAdd GDB macros written by Godmar Back.
Ben Pfaff [Fri, 7 Apr 2006 18:29:34 +0000 (18:29 +0000)]
Add GDB macros written by Godmar Back.

18 years agoWordsmithing.
Ben Pfaff [Wed, 5 Apr 2006 22:45:50 +0000 (22:45 +0000)]
Wordsmithing.

18 years agoTypo.
Ben Pfaff [Wed, 5 Apr 2006 22:44:11 +0000 (22:44 +0000)]
Typo.

18 years agoClarify that fixed-point.h is a new file in the reference solution.
Ben Pfaff [Wed, 5 Apr 2006 21:17:44 +0000 (21:17 +0000)]
Clarify that fixed-point.h is a new file in the reference solution.
Thanks to Megan Anneke Wachs <wachs@stanford.edu> for the question.

18 years agoComment.
Ben Pfaff [Wed, 5 Apr 2006 20:59:27 +0000 (20:59 +0000)]
Comment.
Thanks to "Vincenzo Di Nicola" <dinicola@stanford.edu> for the question.

18 years agoClarify parallelism requirements.
Ben Pfaff [Wed, 5 Apr 2006 20:34:13 +0000 (20:34 +0000)]
Clarify parallelism requirements.
Thanks to Alicia Chen <achen530@stanford.edu> for the question.

18 years agoAllow PINTOSSIM environment variable to select default simulator.
Ben Pfaff [Wed, 5 Apr 2006 20:30:48 +0000 (20:30 +0000)]
Allow PINTOSSIM environment variable to select default simulator.

18 years agoRemark that ^ is xor.
Ben Pfaff [Wed, 5 Apr 2006 20:11:14 +0000 (20:11 +0000)]
Remark that ^ is xor.
Thanks to Jennifer G <jgee@stanford.edu> for the question.

18 years agoAdd section heading for Debugging User Programs.
Ben Pfaff [Wed, 5 Apr 2006 20:09:13 +0000 (20:09 +0000)]
Add section heading for Debugging User Programs.
Thanks to "Huey Kwik" <kwik@stanford.edu> for the question.

18 years agoClarify directive not to modify file system.
Ben Pfaff [Wed, 5 Apr 2006 20:08:06 +0000 (20:08 +0000)]
Clarify directive not to modify file system.
Thanks to "JaJ" <joshi83@stanford.edu> for the question.

18 years agoClarify comment.
Ben Pfaff [Wed, 5 Apr 2006 20:02:21 +0000 (20:02 +0000)]
Clarify comment.
Thanks to Nathan Marz <nathanm@stanford.edu> for the question.

18 years agoClarify need for virt-to-phys translation table.
Ben Pfaff [Wed, 5 Apr 2006 19:56:02 +0000 (19:56 +0000)]
Clarify need for virt-to-phys translation table.
Thanks to Nico R Benitez <nicorb@stanford.edu> for the question.

18 years agoMake it clear that the tour is not soon forthcoming.
Ben Pfaff [Wed, 5 Apr 2006 19:45:37 +0000 (19:45 +0000)]
Make it clear that the tour is not soon forthcoming.
Thanks to "M Payne" <m@m.com> for the question.

18 years agoClarify how termination treats file descriptors.
Ben Pfaff [Wed, 5 Apr 2006 19:43:13 +0000 (19:43 +0000)]
Clarify how termination treats file descriptors.
Thanks to Nathan Marz <nathanm@stanford.edu> for the question.

18 years agoClarify page fault handler for get/put_user().
Ben Pfaff [Wed, 5 Apr 2006 19:36:53 +0000 (19:36 +0000)]
Clarify page fault handler for get/put_user().
Thanks to Poornima Vijayashanker <pv6@stanford.edu> for question.

18 years agoWarn if timeout used with debugger.
Ben Pfaff [Wed, 5 Apr 2006 19:33:33 +0000 (19:33 +0000)]
Warn if timeout used with debugger.
Thanks to Alicia Chen <achen530@stanford.edu> for question.

18 years agoMake explicit that open doesn't return fd 0 or 1.
Ben Pfaff [Wed, 5 Apr 2006 19:29:30 +0000 (19:29 +0000)]
Make explicit that open doesn't return fd 0 or 1.
Make independence of fds across processes explicit.
Thanks to Ryan Seth Propper <rpropper@stanford.edu> for question.

18 years agoAdd comment to explain why we don't free initial_thread.
Ben Pfaff [Wed, 5 Apr 2006 19:25:49 +0000 (19:25 +0000)]
Add comment to explain why we don't free initial_thread.
Thanks to Sunit Pal <sunit@stanford.edu> for the question.

18 years agoAdd references to tour of pintos.
Ben Pfaff [Wed, 5 Apr 2006 19:22:43 +0000 (19:22 +0000)]
Add references to tour of pintos.

18 years agoRename putchar_unlocked() to putchar_have_lock() to avoid GCC warning.
Ben Pfaff [Wed, 5 Apr 2006 18:02:49 +0000 (18:02 +0000)]
Rename putchar_unlocked() to putchar_have_lock() to avoid GCC warning.

18 years agoExplain new patches.
Ben Pfaff [Wed, 5 Apr 2006 17:59:30 +0000 (17:59 +0000)]
Explain new patches.

18 years agoNow it actually works.
Ben Pfaff [Mon, 3 Apr 2006 23:51:21 +0000 (23:51 +0000)]
Now it actually works.

18 years agoStupid me.
Ben Pfaff [Mon, 3 Apr 2006 23:31:12 +0000 (23:31 +0000)]
Stupid me.

18 years agoSolaris patch.
Ben Pfaff [Mon, 3 Apr 2006 23:09:39 +0000 (23:09 +0000)]
Solaris patch.

18 years agoMake it more robust.
Ben Pfaff [Mon, 3 Apr 2006 23:09:28 +0000 (23:09 +0000)]
Make it more robust.
Apply Solaris patch, but only on Solaris.

18 years agoAdd another necessary patch.
Ben Pfaff [Mon, 3 Apr 2006 22:16:07 +0000 (22:16 +0000)]
Add another necessary patch.

18 years agoReverse patches (oops).
Ben Pfaff [Mon, 3 Apr 2006 22:05:37 +0000 (22:05 +0000)]
Reverse patches (oops).

18 years agoFix typos.
Ben Pfaff [Mon, 3 Apr 2006 22:04:44 +0000 (22:04 +0000)]
Fix typos.

18 years agoFirst stab at Bochs 2.2.6 upgrade (not yet tested).
Ben Pfaff [Mon, 3 Apr 2006 21:27:09 +0000 (21:27 +0000)]
First stab at Bochs 2.2.6 upgrade (not yet tested).

18 years agoIgnore setitimer-helper.
Ben Pfaff [Mon, 3 Apr 2006 21:24:09 +0000 (21:24 +0000)]
Ignore setitimer-helper.

18 years agofixed typo in mmap example
Godmar Back [Sun, 2 Apr 2006 00:15:15 +0000 (00:15 +0000)]
fixed typo in mmap example

18 years agofixed typo.
Godmar Back [Fri, 17 Mar 2006 02:33:34 +0000 (02:33 +0000)]
fixed typo.

18 years agoMake timeouts based on CPU time.
Ben Pfaff [Wed, 15 Mar 2006 22:15:40 +0000 (22:15 +0000)]
Make timeouts based on CPU time.

18 years agoAdd question.
Ben Pfaff [Wed, 15 Mar 2006 01:31:51 +0000 (01:31 +0000)]
Add question.

18 years agoTest commit.
Ben Pfaff [Tue, 14 Mar 2006 22:43:44 +0000 (22:43 +0000)]
Test commit.

18 years agoFix type of sector_idx in inode_write_at().
Ben Pfaff [Thu, 9 Mar 2006 05:59:39 +0000 (05:59 +0000)]
Fix type of sector_idx in inode_write_at().
Thanks to Ryan Seth Propper <rpropper@stanford.edu> for reporting this
bug.

18 years ago-u option should be -ul.
Ben Pfaff [Mon, 6 Mar 2006 17:14:40 +0000 (17:14 +0000)]
-u option should be -ul.
Thanks to Josh Wiseman <joshwise@stanford.edu> for reporting this bug.

18 years agoPHYS_ADDR should be PHYS_BASE.
Ben Pfaff [Thu, 2 Feb 2006 14:47:50 +0000 (14:47 +0000)]
PHYS_ADDR should be PHYS_BASE.
Thanks to "Ryan Seth Propper" <rpropper@stanford.edu> for pointing it
out.

18 years agoAttempting to pass command-line arguments before they've been
Ben Pfaff [Wed, 1 Feb 2006 20:58:50 +0000 (20:58 +0000)]
Attempting to pass command-line arguments before they've been
implemented will fail.
Thanks to Josh Wiseman for pointing this out.

18 years agoClarify when enable_mlfqs gets set.
Ben Pfaff [Sun, 29 Jan 2006 21:55:08 +0000 (21:55 +0000)]
Clarify when enable_mlfqs gets set.
Thanks to "Yi Lang Mok" <yilangmok@stanford.edu> and others for
pointing this out.

18 years agoClarify when enable_mlfqs gets set.
Ben Pfaff [Sun, 29 Jan 2006 21:54:44 +0000 (21:54 +0000)]
Clarify when enable_mlfqs gets set.
Thanks to "Yi Lang Mok" <yilangmok@stanford.edu> and others for
pointing this out.

18 years agoUpdate Intel architecture guide references to latest.
Ben Pfaff [Sun, 29 Jan 2006 21:32:55 +0000 (21:32 +0000)]
Update Intel architecture guide references to latest.
Thanks to Josh Wiseman <joshwise@stanford.edu> and Godmar Back
<godmar@gmail.com> for pointing this out.

18 years agoAdd examples of how to iterate and remove elements from a list.
Ben Pfaff [Wed, 25 Jan 2006 22:10:19 +0000 (22:10 +0000)]
Add examples of how to iterate and remove elements from a list.
Pointed out by Ben Sapp.

18 years agoClean up temp files on signal.
Ben Pfaff [Thu, 12 Jan 2006 17:04:09 +0000 (17:04 +0000)]
Clean up temp files on signal.

18 years agoFix priority donation example.
Ben Pfaff [Tue, 10 Jan 2006 22:56:29 +0000 (22:56 +0000)]
Fix priority donation example.
From Godmar Back's TA.

18 years agoTypo fixes found by Godmar Back's TA.
Ben Pfaff [Tue, 10 Jan 2006 00:14:14 +0000 (00:14 +0000)]
Typo fixes found by Godmar Back's TA.

18 years agoAdd "panic: action=fatal" to bochsrc.txt to avoid a potentially
Ben Pfaff [Tue, 10 Jan 2006 00:13:01 +0000 (00:13 +0000)]
Add "panic: action=fatal" to bochsrc.txt to avoid a potentially
confusing dialogue on control+c or timeout.
Via Godmar Back.

18 years agoFix comment.
Ben Pfaff [Sun, 8 Jan 2006 20:21:31 +0000 (20:21 +0000)]
Fix comment.

18 years agoRemove -Wdeclaration-after-statement because it's not supported by GCC
Ben Pfaff [Sun, 8 Jan 2006 20:09:25 +0000 (20:09 +0000)]
Remove -Wdeclaration-after-statement because it's not supported by GCC
(GCC 3.4) on the elaines.  Ugh.

18 years agoAdd explanatory comments to vm tests.
Ben Pfaff [Sun, 8 Jan 2006 19:00:20 +0000 (19:00 +0000)]
Add explanatory comments to vm tests.

18 years agoAdd explanatory comments to filesys tests.
Ben Pfaff [Sun, 8 Jan 2006 18:59:11 +0000 (18:59 +0000)]
Add explanatory comments to filesys tests.

18 years agoAdd explanatory comments to vm tests.
Ben Pfaff [Sun, 8 Jan 2006 18:02:41 +0000 (18:02 +0000)]
Add explanatory comments to vm tests.

18 years agoFormatting.
Ben Pfaff [Sun, 8 Jan 2006 03:35:04 +0000 (03:35 +0000)]
Formatting.

18 years agoAdd explanatory comments to vm tests.
Ben Pfaff [Sun, 8 Jan 2006 03:24:27 +0000 (03:24 +0000)]
Add explanatory comments to vm tests.

18 years agoAdd explanatory comments to userprog tests.
Ben Pfaff [Sun, 8 Jan 2006 01:08:06 +0000 (01:08 +0000)]
Add explanatory comments to userprog tests.

18 years agoRemove file that was not used.
Ben Pfaff [Sun, 8 Jan 2006 01:07:21 +0000 (01:07 +0000)]
Remove file that was not used.

18 years agoAdd explanatory comments to threads tests.
Ben Pfaff [Sat, 7 Jan 2006 02:08:18 +0000 (02:08 +0000)]
Add explanatory comments to threads tests.

18 years agoElaborate on how to get the user program's stack pointer.
Ben Pfaff [Wed, 4 Jan 2006 22:45:01 +0000 (22:45 +0000)]
Elaborate on how to get the user program's stack pointer.
Suggested by Godmar Back.

18 years agoDon't check return value of write().
Ben Pfaff [Wed, 4 Jan 2006 21:51:59 +0000 (21:51 +0000)]
Don't check return value of write().

18 years agoClarify question.
Ben Pfaff [Wed, 4 Jan 2006 21:33:25 +0000 (21:33 +0000)]
Clarify question.
Via "Bruce Schechter" <bruceds@stanford.edu>.

18 years agoClarify stack limit.
Ben Pfaff [Wed, 4 Jan 2006 21:30:15 +0000 (21:30 +0000)]
Clarify stack limit.

18 years agoClarifying comments.
Ben Pfaff [Wed, 4 Jan 2006 21:27:52 +0000 (21:27 +0000)]
Clarifying comments.
Via "Amit Nagpal" <anagpal1@stanford.edu>.

18 years agoHelpful comment.
Ben Pfaff [Wed, 4 Jan 2006 21:21:50 +0000 (21:21 +0000)]
Helpful comment.
Via Megan Anneke Wachs <wachs@stanford.edu>.

18 years agoAdd additional disclaimer to "diffstat"s.
Ben Pfaff [Wed, 4 Jan 2006 21:17:34 +0000 (21:17 +0000)]
Add additional disclaimer to "diffstat"s.

18 years agoTypo in comment.
Ben Pfaff [Wed, 4 Jan 2006 21:16:36 +0000 (21:16 +0000)]
Typo in comment.

18 years agoNew test for growing the stack using a system call.
Ben Pfaff [Wed, 4 Jan 2006 21:15:37 +0000 (21:15 +0000)]
New test for growing the stack using a system call.
From Godmar Back.

18 years agoGrammar.
Ben Pfaff [Wed, 4 Jan 2006 21:07:01 +0000 (21:07 +0000)]
Grammar.
From Godmar Back.

18 years agoMention that other aliases should only arise from sharing or bugs.
Ben Pfaff [Wed, 4 Jan 2006 21:05:17 +0000 (21:05 +0000)]
Mention that other aliases should only arise from sharing or bugs.

18 years agoClarify that swap needs to be written when needed, not before.
Ben Pfaff [Wed, 4 Jan 2006 20:14:45 +0000 (20:14 +0000)]
Clarify that swap needs to be written when needed, not before.

18 years agoAdd clarifying comment.
Ben Pfaff [Wed, 4 Jan 2006 20:08:04 +0000 (20:08 +0000)]
Add clarifying comment.
Via Bruce Schechter.

18 years agoNote about testing.
Ben Pfaff [Wed, 4 Jan 2006 20:03:28 +0000 (20:03 +0000)]
Note about testing.

18 years agoClarify that an ELF loader is provided.
Ben Pfaff [Wed, 4 Jan 2006 19:52:43 +0000 (19:52 +0000)]
Clarify that an ELF loader is provided.
Via Ben Sapp.

18 years agoClarify ROX.
Ben Pfaff [Wed, 4 Jan 2006 19:49:20 +0000 (19:49 +0000)]
Clarify ROX.

18 years agoMove PF_* from exception.c to exception.h, because some students may
Ben Pfaff [Wed, 4 Jan 2006 18:56:16 +0000 (18:56 +0000)]
Move PF_* from exception.c to exception.h, because some students may
wish to pass them around.
Suggested by Godmar Back.

18 years agoMove PF_* from exception.c to exception.h, because some students may
Ben Pfaff [Wed, 4 Jan 2006 18:56:16 +0000 (18:56 +0000)]
Move PF_* from exception.c to exception.h, because some students may
wish to pass them around.
Suggested by Godmar Back.

18 years agoMove some FAQs into the specification for mmap'd files.
Ben Pfaff [Wed, 4 Jan 2006 18:53:03 +0000 (18:53 +0000)]
Move some FAQs into the specification for mmap'd files.

18 years agoAdd hash_apply() function.
Ben Pfaff [Wed, 4 Jan 2006 18:36:53 +0000 (18:36 +0000)]
Add hash_apply() function.
Revise hash_clear(), hash_delete() to take destructor function
argument.
Fully document hash table.

18 years agoAlways round up disk sizes to multiple of a cylinder,
Ben Pfaff [Tue, 3 Jan 2006 20:20:18 +0000 (20:20 +0000)]
Always round up disk sizes to multiple of a cylinder,
because Bochs 2.2.5 requires that.
Based on patch from Godmar Back.

18 years agoMove mmap consistency FAQ into assignment description.
Ben Pfaff [Tue, 3 Jan 2006 17:03:46 +0000 (17:03 +0000)]
Move mmap consistency FAQ into assignment description.

18 years agoPartial mmap'd pages need not be lazy loaded.
Ben Pfaff [Tue, 3 Jan 2006 17:00:02 +0000 (17:00 +0000)]
Partial mmap'd pages need not be lazy loaded.

18 years agoGet rid of -rndpg option for now, because none of the tests use it.
Ben Pfaff [Tue, 3 Jan 2006 16:50:59 +0000 (16:50 +0000)]
Get rid of -rndpg option for now, because none of the tests use it.
In the future it may make sense to reintroduce it (and test it).

18 years agoClarification.
Ben Pfaff [Thu, 22 Dec 2005 20:51:30 +0000 (20:51 +0000)]
Clarification.

18 years agoMention that keyboard input does not work with "pintos -v".
Ben Pfaff [Thu, 22 Dec 2005 20:49:13 +0000 (20:49 +0000)]
Mention that keyboard input does not work with "pintos -v".

18 years agoClarification.
Ben Pfaff [Thu, 22 Dec 2005 20:47:21 +0000 (20:47 +0000)]
Clarification.

18 years agoMention that process_wait() can be changed to an infinite loop
Ben Pfaff [Thu, 22 Dec 2005 20:44:27 +0000 (20:44 +0000)]
Mention that process_wait() can be changed to an infinite loop
temporarily.

18 years agoFix formula.
Ben Pfaff [Thu, 22 Dec 2005 01:18:35 +0000 (01:18 +0000)]
Fix formula.

18 years agoUse -Wdeclaration-after-statement.
Ben Pfaff [Wed, 21 Dec 2005 23:48:57 +0000 (23:48 +0000)]
Use -Wdeclaration-after-statement.

18 years agoDon't need GCC patch anymore because we don't use Intel syntax.
Ben Pfaff [Wed, 21 Dec 2005 23:48:40 +0000 (23:48 +0000)]
Don't need GCC patch anymore because we don't use Intel syntax.

18 years agoComments.
Ben Pfaff [Wed, 21 Dec 2005 23:46:05 +0000 (23:46 +0000)]
Comments.

18 years agoUse AT&T syntax instead of Intel.
Ben Pfaff [Wed, 21 Dec 2005 23:44:35 +0000 (23:44 +0000)]
Use AT&T syntax instead of Intel.

18 years agoDon't use -I- because GCC 4.0 complains.
Ben Pfaff [Wed, 21 Dec 2005 22:35:07 +0000 (22:35 +0000)]
Don't use -I- because GCC 4.0 complains.
(Can't use -iquote because GCC 3.x doesn't have it.)

18 years agoAdd cast to silence new warning in GCC 4.0.
Ben Pfaff [Wed, 21 Dec 2005 22:31:36 +0000 (22:31 +0000)]
Add cast to silence new warning in GCC 4.0.

18 years agoUse bool vars instead of bits for shift keys.
Ben Pfaff [Wed, 21 Dec 2005 04:56:23 +0000 (04:56 +0000)]
Use bool vars instead of bits for shift keys.

18 years agoRevise "Design" description.
Ben Pfaff [Wed, 21 Dec 2005 03:21:33 +0000 (03:21 +0000)]
Revise "Design" description.
Based on Ben Sapp <bensapp@stanford.edu> comments.

18 years agoClarify "invalid PID".
Ben Pfaff [Wed, 21 Dec 2005 01:00:32 +0000 (01:00 +0000)]
Clarify "invalid PID".
Thanks to "Kevin Hart" <kevin.hart@hp.com> for question.