Ben Pfaff [Sat, 25 Sep 2004 23:55:22 +0000 (23:55 +0000)]
Add --enable-4meg-pages to configure
Ben Pfaff [Thu, 23 Sep 2004 06:40:57 +0000 (06:40 +0000)]
Fix bitmap_scan_and_flip() calls.
Ben Pfaff [Thu, 23 Sep 2004 00:58:29 +0000 (00:58 +0000)]
Rewrite page allocator to support multi-page allocations.
Change interface to reflect it, update references.
Make malloc() and free() willing to handle big blocks.
Ben Pfaff [Thu, 23 Sep 2004 00:57:23 +0000 (00:57 +0000)]
Update comments.
Ben Pfaff [Thu, 23 Sep 2004 00:57:01 +0000 (00:57 +0000)]
Change bitmap interface, update references.
Ben Pfaff [Thu, 23 Sep 2004 00:56:08 +0000 (00:56 +0000)]
Update.
Ben Pfaff [Thu, 23 Sep 2004 00:56:01 +0000 (00:56 +0000)]
Update docs.
Ben Pfaff [Wed, 22 Sep 2004 07:38:28 +0000 (07:38 +0000)]
Project 2 solution.
Ben Pfaff [Wed, 22 Sep 2004 07:32:14 +0000 (07:32 +0000)]
Fix assertion.
Ben Pfaff [Wed, 22 Sep 2004 07:17:53 +0000 (07:17 +0000)]
Update docs.
Ben Pfaff [Wed, 22 Sep 2004 07:16:11 +0000 (07:16 +0000)]
Make console lock recursive.
Ben Pfaff [Wed, 22 Sep 2004 05:42:17 +0000 (05:42 +0000)]
Move most process destruction earlier.
Ben Pfaff [Wed, 22 Sep 2004 00:29:01 +0000 (00:29 +0000)]
Make more useful.
Ben Pfaff [Wed, 22 Sep 2004 00:28:44 +0000 (00:28 +0000)]
Make lookup_page() just return null for uaddr >= PHYS_BASE.
Add assert < PHYS_BASE for pagedir_set_page().
Ben Pfaff [Wed, 22 Sep 2004 00:28:11 +0000 (00:28 +0000)]
memset freed blocks to 0xcd.
Ben Pfaff [Wed, 22 Sep 2004 00:28:00 +0000 (00:28 +0000)]
thread_join() the -ex process if THREAD_JOIN_IMPLEMENTED.
Ben Pfaff [Wed, 22 Sep 2004 00:27:40 +0000 (00:27 +0000)]
Add -include constants.h.
Ben Pfaff [Wed, 22 Sep 2004 00:27:30 +0000 (00:27 +0000)]
Move THREAD_JOIN_IMPLEMENTED to constants.h.
Ben Pfaff [Wed, 22 Sep 2004 00:27:17 +0000 (00:27 +0000)]
Don't pick n == 1 for jitter.
Ben Pfaff [Wed, 22 Sep 2004 00:26:39 +0000 (00:26 +0000)]
Add THREAD_JOIN_IMPLEMENTED.
Ben Pfaff [Wed, 22 Sep 2004 00:26:29 +0000 (00:26 +0000)]
Update.
Ben Pfaff [Wed, 22 Sep 2004 00:26:23 +0000 (00:26 +0000)]
Update patch.
Ben Pfaff [Wed, 22 Sep 2004 00:26:04 +0000 (00:26 +0000)]
Update docs.
Ben Pfaff [Tue, 21 Sep 2004 20:43:14 +0000 (20:43 +0000)]
Update docs.
Ben Pfaff [Tue, 21 Sep 2004 18:52:08 +0000 (18:52 +0000)]
Comment out fullpage line.
Ben Pfaff [Tue, 21 Sep 2004 05:55:18 +0000 (05:55 +0000)]
Call serial_flush() in power_off().
Ben Pfaff [Tue, 21 Sep 2004 05:33:01 +0000 (05:33 +0000)]
Improve tags targets.
Ben Pfaff [Tue, 21 Sep 2004 04:45:34 +0000 (04:45 +0000)]
Implement (u)intmax_t in printf().
(How'd I forget that?)
Ben Pfaff [Tue, 21 Sep 2004 03:26:41 +0000 (03:26 +0000)]
Add VM makefiles.
Ben Pfaff [Tue, 21 Sep 2004 02:49:40 +0000 (02:49 +0000)]
Update.
Ben Pfaff [Tue, 21 Sep 2004 02:48:58 +0000 (02:48 +0000)]
Comments.
Remove pagedir_clear_page().
Add assertions to pagedir_set_page().
Ben Pfaff [Tue, 21 Sep 2004 02:32:31 +0000 (02:32 +0000)]
Cleanup.
Ben Pfaff [Tue, 21 Sep 2004 02:28:36 +0000 (02:28 +0000)]
Remove unneeded #include.
Ben Pfaff [Tue, 21 Sep 2004 01:14:50 +0000 (01:14 +0000)]
Merge new_thread() into thread_create().
Ben Pfaff [Tue, 21 Sep 2004 00:25:09 +0000 (00:25 +0000)]
Support jitter feature.
Ben Pfaff [Tue, 21 Sep 2004 00:25:03 +0000 (00:25 +0000)]
Add jitter feature to Bochs.
Ben Pfaff [Tue, 21 Sep 2004 00:24:56 +0000 (00:24 +0000)]
Comments.
Ben Pfaff [Tue, 21 Sep 2004 00:24:47 +0000 (00:24 +0000)]
Update docs.
Ben Pfaff [Mon, 20 Sep 2004 22:29:18 +0000 (22:29 +0000)]
Rename addrspace to process.
Ben Pfaff [Mon, 20 Sep 2004 22:25:33 +0000 (22:25 +0000)]
Update.
Ben Pfaff [Mon, 20 Sep 2004 22:25:28 +0000 (22:25 +0000)]
Make pagedir_destroy(NULL) a no-op.
Ben Pfaff [Mon, 20 Sep 2004 22:25:13 +0000 (22:25 +0000)]
Make processes responsible for loading themselves.
Ben Pfaff [Mon, 20 Sep 2004 22:24:21 +0000 (22:24 +0000)]
Make page alignment optional.
Ben Pfaff [Mon, 20 Sep 2004 19:06:58 +0000 (19:06 +0000)]
Comments.
Ben Pfaff [Mon, 20 Sep 2004 19:06:38 +0000 (19:06 +0000)]
Update docs.
Ben Pfaff [Mon, 20 Sep 2004 18:50:48 +0000 (18:50 +0000)]
Update docs.
Ben Pfaff [Mon, 20 Sep 2004 18:03:47 +0000 (18:03 +0000)]
Update docs.
Ben Pfaff [Mon, 20 Sep 2004 18:03:32 +0000 (18:03 +0000)]
Improve hex_dump().
Ben Pfaff [Mon, 20 Sep 2004 06:44:36 +0000 (06:44 +0000)]
Update.
Ben Pfaff [Mon, 20 Sep 2004 06:44:03 +0000 (06:44 +0000)]
Introduce PID_ERROR as an invalid exec return value.
Make shell example check for invalid join return,
because passing an invalid value to exec is allowed to kill the
process.
Ben Pfaff [Mon, 20 Sep 2004 04:45:27 +0000 (04:45 +0000)]
Ignore bochs return code, it's not useful.
Ben Pfaff [Mon, 20 Sep 2004 04:37:43 +0000 (04:37 +0000)]
Enable ata1 under Bochs if hdc or hdd is needed.
Ben Pfaff [Mon, 20 Sep 2004 04:33:15 +0000 (04:33 +0000)]
Add some `const' qualifiers.
Ben Pfaff [Mon, 20 Sep 2004 04:33:01 +0000 (04:33 +0000)]
Change interface of addrspace_load() to provide initial stack pointer.
destroy_thread() doesn't really need thread in dying state.
Ben Pfaff [Mon, 20 Sep 2004 04:29:53 +0000 (04:29 +0000)]
Remove `name' from lock because it duplicates its member sema's name.
Ben Pfaff [Mon, 20 Sep 2004 04:29:22 +0000 (04:29 +0000)]
Comments.
Ben Pfaff [Mon, 20 Sep 2004 04:29:08 +0000 (04:29 +0000)]
Add const to various functions.
Ben Pfaff [Mon, 20 Sep 2004 04:28:44 +0000 (04:28 +0000)]
Swap names of power_off and do_power_off().
Put now-power_off() into init.h
Ben Pfaff [Mon, 20 Sep 2004 04:28:03 +0000 (04:28 +0000)]
Add initial_size argument to create syscall.
Ben Pfaff [Mon, 20 Sep 2004 04:27:43 +0000 (04:27 +0000)]
Add putbuf().
Ben Pfaff [Mon, 20 Sep 2004 04:27:28 +0000 (04:27 +0000)]
Add -Wsystem-headers.
Ben Pfaff [Mon, 20 Sep 2004 04:21:35 +0000 (04:21 +0000)]
Fix comments.
Ben Pfaff [Mon, 20 Sep 2004 03:58:38 +0000 (03:58 +0000)]
Fix call to create().
Ben Pfaff [Mon, 20 Sep 2004 03:56:41 +0000 (03:56 +0000)]
Add dummy file to ensure that lib/user is kept in CVS.
Ben Pfaff [Mon, 20 Sep 2004 03:01:41 +0000 (03:01 +0000)]
Revise makefile structure.
Add user tests.
Ben Pfaff [Mon, 20 Sep 2004 02:48:26 +0000 (02:48 +0000)]
Update docs.
Ben Pfaff [Sun, 19 Sep 2004 20:14:14 +0000 (20:14 +0000)]
Add instructions for compiling and modifying Bochs.
Ben Pfaff [Sun, 19 Sep 2004 20:07:40 +0000 (20:07 +0000)]
Explain how to use patch.
Ben Pfaff [Sun, 19 Sep 2004 20:06:51 +0000 (20:06 +0000)]
Explain how to use patch.
Ben Pfaff [Sun, 19 Sep 2004 07:29:32 +0000 (07:29 +0000)]
Comments.
Ben Pfaff [Sun, 19 Sep 2004 07:07:30 +0000 (07:07 +0000)]
Improve description.
Ben Pfaff [Sun, 19 Sep 2004 07:07:19 +0000 (07:07 +0000)]
Syscall handler doesn't expect to see return address on stack,
so pop it off before invoking interrupt.
Ben Pfaff [Sun, 19 Sep 2004 07:05:59 +0000 (07:05 +0000)]
Pass return code from main() to exit().
Ben Pfaff [Sun, 19 Sep 2004 07:05:42 +0000 (07:05 +0000)]
Update.
Ben Pfaff [Sun, 19 Sep 2004 07:05:23 +0000 (07:05 +0000)]
Update docs.
Ben Pfaff [Sat, 18 Sep 2004 17:33:18 +0000 (17:33 +0000)]
Only destroy pages up to PHYS_BASE.
Ben Pfaff [Sat, 18 Sep 2004 17:01:47 +0000 (17:01 +0000)]
Bug fixes.
Ben Pfaff [Sat, 18 Sep 2004 06:34:27 +0000 (06:34 +0000)]
Clarify strtok_r() description.
Ben Pfaff [Sat, 18 Sep 2004 06:24:27 +0000 (06:24 +0000)]
Suggested solution for problem 1-2 Join.
Ben Pfaff [Fri, 17 Sep 2004 06:53:04 +0000 (06:53 +0000)]
Add threads tests.
Ben Pfaff [Fri, 17 Sep 2004 06:52:27 +0000 (06:52 +0000)]
Add thread priority support.
Ben Pfaff [Fri, 17 Sep 2004 06:51:46 +0000 (06:51 +0000)]
Update docs.
Ben Pfaff [Thu, 16 Sep 2004 23:51:14 +0000 (23:51 +0000)]
Move pagedir stuff into userprog.
Move flags into their own header.
Ben Pfaff [Thu, 16 Sep 2004 21:11:40 +0000 (21:11 +0000)]
Make thread_unblock() on a thread that isn't blocked an error.
Ben Pfaff [Thu, 16 Sep 2004 21:07:03 +0000 (21:07 +0000)]
Invent tid_t data type and use it in many places where we current use
struct thread *.
Remove thread_name() argument.
Ben Pfaff [Thu, 16 Sep 2004 21:05:54 +0000 (21:05 +0000)]
Merge 16550a.h into serial.c.
Ben Pfaff [Thu, 16 Sep 2004 06:40:22 +0000 (06:40 +0000)]
Update.
Ben Pfaff [Thu, 16 Sep 2004 06:40:16 +0000 (06:40 +0000)]
Update docs.
Ben Pfaff [Thu, 16 Sep 2004 00:53:41 +0000 (00:53 +0000)]
backtrace utility
Ben Pfaff [Thu, 16 Sep 2004 00:53:27 +0000 (00:53 +0000)]
Reorder.
#include <stdint.h>
Ben Pfaff [Thu, 16 Sep 2004 00:53:17 +0000 (00:53 +0000)]
Skeleton for students to use.
Ben Pfaff [Thu, 16 Sep 2004 00:53:04 +0000 (00:53 +0000)]
Update.
Ben Pfaff [Thu, 16 Sep 2004 00:53:00 +0000 (00:53 +0000)]
Include constants.h into all source files with a -include directive.
Ben Pfaff [Thu, 16 Sep 2004 00:52:10 +0000 (00:52 +0000)]
Update docs.
Ben Pfaff [Thu, 16 Sep 2004 00:50:42 +0000 (00:50 +0000)]
Add -u to usage message.
Make usage power off.
Print kernel command line at start up.
Ben Pfaff [Wed, 15 Sep 2004 23:41:50 +0000 (23:41 +0000)]
Update docs.
Ben Pfaff [Wed, 15 Sep 2004 23:26:27 +0000 (23:26 +0000)]
Update docs.
Ben Pfaff [Wed, 15 Sep 2004 21:41:12 +0000 (21:41 +0000)]
Update docs.
Ben Pfaff [Wed, 15 Sep 2004 21:15:14 +0000 (21:15 +0000)]
Update docs.
Ben Pfaff [Wed, 15 Sep 2004 06:43:07 +0000 (06:43 +0000)]
Fix serial device handling.