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.
Ben Pfaff [Wed, 15 Sep 2004 06:42:25 +0000 (06:42 +0000)]
Update.
Ben Pfaff [Wed, 15 Sep 2004 06:38:55 +0000 (06:38 +0000)]
Add Solaris serial support.
Ben Pfaff [Wed, 15 Sep 2004 01:14:04 +0000 (01:14 +0000)]
Initial intro.
Ben Pfaff [Wed, 15 Sep 2004 01:13:36 +0000 (01:13 +0000)]
Work on intro.
Ben Pfaff [Wed, 15 Sep 2004 01:13:25 +0000 (01:13 +0000)]
Foo.
Ben Pfaff [Wed, 15 Sep 2004 01:13:20 +0000 (01:13 +0000)]
Add rule for refreshing from Makefile.build.
Ben Pfaff [Wed, 15 Sep 2004 01:10:38 +0000 (01:10 +0000)]
Improve flexibility.
Ben Pfaff [Tue, 14 Sep 2004 21:41:13 +0000 (21:41 +0000)]
Remove obsolete vmware directory.
Ben Pfaff [Tue, 14 Sep 2004 21:40:10 +0000 (21:40 +0000)]
Remove obsolete bochs directory.
Ben Pfaff [Tue, 14 Sep 2004 21:33:57 +0000 (21:33 +0000)]
No longer needed.
Ben Pfaff [Tue, 14 Sep 2004 21:27:11 +0000 (21:27 +0000)]
Improve VMware GSX Server support.
Ben Pfaff [Tue, 14 Sep 2004 20:46:27 +0000 (20:46 +0000)]
Support VMware Workstation.
Ben Pfaff [Tue, 14 Sep 2004 20:10:16 +0000 (20:10 +0000)]
Make it work.
Ben Pfaff [Tue, 14 Sep 2004 20:09:58 +0000 (20:09 +0000)]
Use cp instead of ln.
Ben Pfaff [Tue, 14 Sep 2004 20:09:50 +0000 (20:09 +0000)]
Detect x86 systems, use the native tools.
Ben Pfaff [Tue, 14 Sep 2004 06:55:15 +0000 (06:55 +0000)]
Change -cp option to -ci ("copy in").
Add -co option ("copy out").
Add filesys_done() for closing up filesystem shop.
Add -q option for powering off.
Ben Pfaff [Tue, 14 Sep 2004 06:53:02 +0000 (06:53 +0000)]
first try
Ben Pfaff [Tue, 14 Sep 2004 00:25:00 +0000 (00:25 +0000)]
Add gdb to cross-compiler installation instructions.
Ben Pfaff [Mon, 13 Sep 2004 23:58:00 +0000 (23:58 +0000)]
Bochs patches for Solaris.
Ben Pfaff [Mon, 13 Sep 2004 22:59:23 +0000 (22:59 +0000)]
Add instructions for building cross-compiler.
Ben Pfaff [Mon, 13 Sep 2004 22:58:51 +0000 (22:58 +0000)]
For some reason i386-elf-as doesn't like 512/4, so replace it by 128.
Actually, replace it by 256 and use insw instead of insl.
Ben Pfaff [Mon, 13 Sep 2004 22:57:25 +0000 (22:57 +0000)]
Use __SIZE_TYPE__ for size_t, __PTRDIFF_TYPE__ for ptrdiff_t.
Ben Pfaff [Mon, 13 Sep 2004 22:57:01 +0000 (22:57 +0000)]
Use `z' modifier to printf size_t.
Ben Pfaff [Mon, 13 Sep 2004 22:56:14 +0000 (22:56 +0000)]
Use i386-elf-* tools by default.
Ben Pfaff [Mon, 13 Sep 2004 22:55:54 +0000 (22:55 +0000)]
Use symbolic links instead of hard links, because hard links don't
work between directories on AFS.
Ben Pfaff [Mon, 13 Sep 2004 03:17:59 +0000 (03:17 +0000)]
Remove FIXME that I fixed in the sources.
Ben Pfaff [Mon, 13 Sep 2004 03:02:50 +0000 (03:02 +0000)]
Rewrite filesystem to support Unix "delete" semantics.
Also, make objects responsible for their own allocation for better
abstraction.
Rename filehdr to inode.
Zero out files at creation time.
Introduce "kernel" and "user" pools as a band-aid for user memory
pressure on kernel.
Ben Pfaff [Mon, 13 Sep 2004 03:00:49 +0000 (03:00 +0000)]
Don't assume 4 kB pages.
Ben Pfaff [Mon, 13 Sep 2004 02:58:44 +0000 (02:58 +0000)]
Make the bitmap responsible for allocation.
Ben Pfaff [Mon, 13 Sep 2004 02:14:24 +0000 (02:14 +0000)]
Change "stddef.h" to <stddef.h>
Ben Pfaff [Mon, 13 Sep 2004 02:13:52 +0000 (02:13 +0000)]
Don't palloc_free() the initial thread, because it's not allocated
from a palloc pool.
Ben Pfaff [Mon, 13 Sep 2004 02:13:10 +0000 (02:13 +0000)]
Add magic numbers for safety.
Fix behavior on free(NULL).
Ben Pfaff [Mon, 13 Sep 2004 01:24:28 +0000 (01:24 +0000)]
Flush serial device on panic.
Ben Pfaff [Mon, 13 Sep 2004 01:24:01 +0000 (01:24 +0000)]
Needs #include <console.h>.
Ben Pfaff [Mon, 13 Sep 2004 01:23:24 +0000 (01:23 +0000)]
Introduce "kernel" and "user" pools as a band-aid for user memory
pressure on kernel.
Ben Pfaff [Sun, 12 Sep 2004 05:46:54 +0000 (05:46 +0000)]
Add MLFQS credit.
Ben Pfaff [Sun, 12 Sep 2004 05:45:47 +0000 (05:45 +0000)]
Describe multi-level feedback queue scheduler.
Ben Pfaff [Sun, 12 Sep 2004 00:00:42 +0000 (00:00 +0000)]
Work on projects.
Ben Pfaff [Sat, 11 Sep 2004 23:35:48 +0000 (23:35 +0000)]
Make less sensitive to slow processors.
Ben Pfaff [Sat, 11 Sep 2004 23:35:30 +0000 (23:35 +0000)]
Update initialization order.
Ben Pfaff [Sat, 11 Sep 2004 23:35:13 +0000 (23:35 +0000)]
Do console locking.
Rename printf.c to console.c to better explain its function.
Move puts() from lib to lib/{user,kernel} so it can take console lock.
Ben Pfaff [Sat, 11 Sep 2004 23:27:29 +0000 (23:27 +0000)]
Do console locking.
Rename printf.c to console.c to better explain its function.
Move puts() from lib to lib/{user,kernel} so it can take console lock.
Ben Pfaff [Sat, 11 Sep 2004 23:18:06 +0000 (23:18 +0000)]
Format null pointers as 0x0.
Ben Pfaff [Sat, 11 Sep 2004 23:17:23 +0000 (23:17 +0000)]
Turn off interrupts on output to lock out interrupt handlers that
might want to write to the console.
Ben Pfaff [Sat, 11 Sep 2004 23:16:45 +0000 (23:16 +0000)]
Call thread_yield() in timer_sleep() if interrupts are on.
Ben Pfaff [Sat, 11 Sep 2004 23:16:03 +0000 (23:16 +0000)]
Only poll on output if the txq is full and interrupts are off, and
only one byte's worth.
Ben Pfaff [Sat, 11 Sep 2004 23:08:19 +0000 (23:08 +0000)]
Declare start symbol for linker's use.
Ben Pfaff [Sat, 11 Sep 2004 22:43:06 +0000 (22:43 +0000)]
Really make it safe to call printf() from any context.
Ben Pfaff [Sat, 11 Sep 2004 22:05:30 +0000 (22:05 +0000)]
Comments.
Ben Pfaff [Sat, 11 Sep 2004 19:32:54 +0000 (19:32 +0000)]
Add a little demo/test code for the `threads' project.
Ben Pfaff [Sat, 11 Sep 2004 19:31:13 +0000 (19:31 +0000)]
Increase queue size to 64.
Ben Pfaff [Sat, 11 Sep 2004 19:29:05 +0000 (19:29 +0000)]
Rewrite loader, improving comments greatly.
Also: load GDT relative to at LOADER_PHYS_BASE.
Ben Pfaff [Sat, 11 Sep 2004 18:48:38 +0000 (18:48 +0000)]
Use ln -f for linking Makefile into build dir.
Ben Pfaff [Fri, 10 Sep 2004 00:19:06 +0000 (00:19 +0000)]
Add timer_sleep() that takes an argument in timer ticks.
Remove timer_msleep(), timer_usleep(), timer_nsleep()
and add corresponding timer_ms2ticks(), timer_us2ticks(), and
timer_ns2ticks() to make the conversions.
Ben Pfaff [Thu, 9 Sep 2004 22:43:45 +0000 (22:43 +0000)]
Add comment.
Ben Pfaff [Thu, 9 Sep 2004 22:43:32 +0000 (22:43 +0000)]
Add some prototypes.
Ben Pfaff [Thu, 9 Sep 2004 22:43:28 +0000 (22:43 +0000)]
Rename run_queue to ready_list.
Ben Pfaff [Thu, 9 Sep 2004 22:43:12 +0000 (22:43 +0000)]
Add new syscall stubs.
Ben Pfaff [Thu, 9 Sep 2004 22:38:20 +0000 (22:38 +0000)]
Add syscalls.
Ben Pfaff [Thu, 9 Sep 2004 22:38:14 +0000 (22:38 +0000)]
Add comment.
Ben Pfaff [Thu, 9 Sep 2004 22:37:59 +0000 (22:37 +0000)]
Add some former CS140 TAs.
Ben Pfaff [Thu, 9 Sep 2004 22:37:50 +0000 (22:37 +0000)]
Initial projects.
Ben Pfaff [Thu, 9 Sep 2004 21:15:35 +0000 (21:15 +0000)]
Add `projects' files authors.
Ben Pfaff [Thu, 9 Sep 2004 20:55:11 +0000 (20:55 +0000)]
Allow students to easily disable VM.
Ben Pfaff [Thu, 9 Sep 2004 19:24:59 +0000 (19:24 +0000)]
#error if TIMER_FREQ too high.
Configurable time slice.
Make timer_msleep() round up to nearest timer tick.
Ben Pfaff [Wed, 8 Sep 2004 00:58:15 +0000 (00:58 +0000)]
Add TAGS, tags targets.
Ben Pfaff [Wed, 8 Sep 2004 00:22:42 +0000 (00:22 +0000)]
Specifications.
Ben Pfaff [Wed, 8 Sep 2004 00:08:35 +0000 (00:08 +0000)]
Update name to Pintos.
Ben Pfaff [Wed, 8 Sep 2004 00:07:56 +0000 (00:07 +0000)]
Fix license: we don't want export clause.
Ben Pfaff [Wed, 8 Sep 2004 00:02:26 +0000 (00:02 +0000)]
Some bochs/qemu tools.
Ben Pfaff [Wed, 8 Sep 2004 00:01:49 +0000 (00:01 +0000)]
Initial list.
Ben Pfaff [Tue, 7 Sep 2004 23:49:15 +0000 (23:49 +0000)]
Implement keyboard device.
Ben Pfaff [Tue, 7 Sep 2004 23:49:03 +0000 (23:49 +0000)]
Move serial interrupt queue into new file intq.c.
Remove serial receive code.
Ben Pfaff [Tue, 7 Sep 2004 23:47:31 +0000 (23:47 +0000)]
Add tolower(), toupper().
Ben Pfaff [Tue, 7 Sep 2004 20:38:10 +0000 (20:38 +0000)]
Prepare to remove serial receive path.
Ben Pfaff [Tue, 7 Sep 2004 06:23:02 +0000 (06:23 +0000)]
First stab at interrupt-driven serial.
Receive doesn't work.
Ben Pfaff [Tue, 7 Sep 2004 06:22:05 +0000 (06:22 +0000)]
Default to INTR_OFF for unregistered interrupts.
Add assert.
Add comment.
Ben Pfaff [Tue, 7 Sep 2004 06:21:06 +0000 (06:21 +0000)]
Add comment.