X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=TODO;h=3d3207cbe93329bf20d6826e2517651b565323bc;hb=e647de5c3d678cecedad4da33bcaa6e0897976c1;hp=31606d182661ee33ae3ceefb616355d5f7daac19;hpb=bc0cc9ec385f55e8dee745f55e25d98908255636;p=pintos-anon

diff --git a/TODO b/TODO
index 31606d1..3d3207c 100644
--- a/TODO
+++ b/TODO
@@ -1,18 +1,33 @@
 -*- text -*-
 
-* Miscellaneous:
+* Put time limits on tests.
 
-  - Currently the `pintos' utility has a broken return code policy: it
-    returns 1 to indicate success.  It inherited this mistake from
-    Bochs, which does something similar.  This needs to be fixed.
+* `make grade'
 
-* Userprog project:
+* We need better and more example programs.
+
+  - Need an mmap example program as a replacement for the crappy mmap FAQ
+    question.
+
+* Give advice on how to use `diff' to find out what has changed
+
+* pintos script doesn't (always?) delete temp disks
+
+* GNU make 3.80 or later is required.
+
+* Finish writing tour.
+
+
+
+
+
+* process_death test needs improvement
 
-  - Move `join' implementation here, from `threads' project, to help
-    normalize the project difficulties.
+* Internal tests.
 
-  - The semantics of the join system call should change so that it
-    only returns the exit code once.
+* Improve automatic interpretation of exception messages.
+
+* Userprog project:
 
   - Mark read-only pages as actually read-only in the page table.  Or,
     since this was consistently rated as the easiest project by the
@@ -24,9 +39,14 @@
     Alternately we could just remove the synchronization on pid
     selection and check that students fix it.
 
-* Documentation:
+* Filesys project:
 
-  - Finish writing tour.
+  - Need a better way to measure performance improvement of buffer
+    cache.  Some students reported that their system was slower with
+    cache--likely, Bochs doesn't simulate a disk with a realistic
+    speed.
+
+* Documentation:
 
   - Add "Digging Deeper" sections that describe the nitty-gritty x86
     details for the benefit of those interested.
@@ -40,23 +60,10 @@
 
     . Low-level x86 stuff, like paged page tables.
 
-    . Other good ideas.
+    . Specifics on how to implement sbrk, malloc.
 
-  - mmap/munmap should use segment IDs like Nachos.  Too hard
-    otherwise.
-
-  - Add src/testcases/vm, src/testcases/filesys and make it clear to use
-    them?
-
-* Tests:
-
-  - Release some of them.
-
-  - The threads, userprog, vm test source files could use
-    factorization and cleanup along the lines of fslib in the filesys
-    tests.
+    . Other good ideas.
 
-  - The p1-4.c testcase needs significant tuning.  Currently it takes
-    too long (especially when SHOW_PROGRESS is turned on) and doesn't
-    show significant improvement.
+    . opendir/readdir/closedir
 
+    . everything needed for getcwd()