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Devi Nivas Git - cs3210-lab1.git/log
Austin Clements [Mon, 5 Sep 2011 19:21:40 +0000 (15:21 -0400)]
Sync up clean and gitignore better
Austin Clements [Mon, 5 Sep 2011 16:54:42 +0000 (12:54 -0400)]
Update gitignore
Austin Clements [Sun, 4 Sep 2011 19:56:16 +0000 (15:56 -0400)]
Fix stale comments in entryother.S
Austin Clements [Sun, 4 Sep 2011 19:51:46 +0000 (15:51 -0400)]
Make the ELF entry point a physical address
This way, the bootloader doesn't have to translate the entry point.
This also makes xv6 multiboot-compliant and follows the convention
used by Linux.
Austin Clements [Sun, 4 Sep 2011 19:19:43 +0000 (15:19 -0400)]
kernel depends on kernel.ld
Austin Clements [Sun, 4 Sep 2011 19:19:33 +0000 (15:19 -0400)]
Add QEMUEXTRA environment to add extra QEMU arguments, like in JOS
Austin Clements [Sat, 3 Sep 2011 14:21:51 +0000 (10:21 -0400)]
I can't do math; fix bug introduced in 5a9761
Austin Clements [Fri, 2 Sep 2011 20:36:08 +0000 (16:36 -0400)]
A few missed xv6.pdf dependencies
Austin Clements [Fri, 2 Sep 2011 20:32:46 +0000 (16:32 -0400)]
Update year in URL
Austin Clements [Fri, 2 Sep 2011 20:30:20 +0000 (16:30 -0400)]
Update index example in TOC footer
Austin Clements [Fri, 2 Sep 2011 19:36:23 +0000 (15:36 -0400)]
Updated runoff spec; everything but ide.c is satisfied
Austin Clements [Fri, 2 Sep 2011 19:35:49 +0000 (15:35 -0400)]
Fix same wonky pagebreak bug in console.c
Austin Clements [Fri, 2 Sep 2011 19:35:34 +0000 (15:35 -0400)]
Put filewrite in its own column
Austin Clements [Fri, 2 Sep 2011 19:29:33 +0000 (15:29 -0400)]
Fix weird pagebreak bug
Austin Clements [Fri, 2 Sep 2011 19:27:41 +0000 (15:27 -0400)]
Fit exec on a page. Again
Austin Clements [Fri, 2 Sep 2011 19:20:27 +0000 (15:20 -0400)]
Shorten sys_unlink a little; create now fits in column
Austin Clements [Fri, 2 Sep 2011 19:14:06 +0000 (15:14 -0400)]
Add blank page to get our super FS spreads back
Austin Clements [Fri, 2 Sep 2011 19:11:52 +0000 (15:11 -0400)]
Remove comment debug prints from log.c; now fits nicely in a spread
Austin Clements [Fri, 2 Sep 2011 19:08:35 +0000 (15:08 -0400)]
Define struct log separately from log to avoid confusing column breaker
Austin Clements [Fri, 2 Sep 2011 19:08:13 +0000 (15:08 -0400)]
Comment balance
Austin Clements [Fri, 2 Sep 2011 19:07:56 +0000 (15:07 -0400)]
Remove unused headers from log.c
Austin Clements [Fri, 2 Sep 2011 18:57:28 +0000 (14:57 -0400)]
Fit fs.h in one column
Austin Clements [Fri, 2 Sep 2011 18:52:53 +0000 (14:52 -0400)]
Remove data.S from runoff, too
Austin Clements [Fri, 2 Sep 2011 18:52:13 +0000 (14:52 -0400)]
Remove unused x86.h definitions
Austin Clements [Fri, 2 Sep 2011 18:51:55 +0000 (14:51 -0400)]
Nuke data.S, since we do have a custom linker script.
Austin Clements [Fri, 2 Sep 2011 18:46:01 +0000 (14:46 -0400)]
Correct terminology in kernel.ld
Austin Clements [Fri, 2 Sep 2011 18:37:42 +0000 (14:37 -0400)]
Oops, dropped a paren
Austin Clements [Fri, 2 Sep 2011 18:37:04 +0000 (14:37 -0400)]
clear_pte_u -> clearpteu
Austin Clements [Fri, 2 Sep 2011 18:35:58 +0000 (14:35 -0400)]
Move copy_pte_u; fits vm.c in one less column and aligns proc.h
Austin Clements [Fri, 2 Sep 2011 18:34:29 +0000 (14:34 -0400)]
Cleanup comments and fit setupkvm on same page as kmap, which aligns lots of other things
Austin Clements [Fri, 2 Sep 2011 18:28:44 +0000 (14:28 -0400)]
Style
Austin Clements [Fri, 2 Sep 2011 18:11:16 +0000 (14:11 -0400)]
Make mappages fit on the page
Austin Clements [Fri, 2 Sep 2011 18:00:33 +0000 (14:00 -0400)]
bootother -> entryother in README
Austin Clements [Fri, 2 Sep 2011 01:29:09 +0000 (21:29 -0400)]
Skip missing page directories in deallocuvm
Previously, deallocuvm scanned from 0 to KERNBASE in one page
increments, which had a noticable effect on boot time. Now it skips
over missing page directories.
Robert Morris [Thu, 1 Sep 2011 17:26:03 +0000 (13:26 -0400)]
Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6
Robert Morris [Thu, 1 Sep 2011 17:25:34 +0000 (13:25 -0400)]
inaccessible page under the user stack page, to help exec deal w/ too-large args
Frans Kaashoek [Thu, 1 Sep 2011 17:18:02 +0000 (13:18 -0400)]
Fix layout
Frans Kaashoek [Thu, 1 Sep 2011 16:18:43 +0000 (12:18 -0400)]
Have one definition of kernel stack size
Robert Morris [Thu, 1 Sep 2011 16:03:49 +0000 (12:03 -0400)]
Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6
Conflicts:
vm.c
Robert Morris [Thu, 1 Sep 2011 16:02:49 +0000 (12:02 -0400)]
fix usertests to correctly test what happens when you call
exec() with arguments that don't fit on a single page.
Austin Clements [Thu, 1 Sep 2011 14:41:21 +0000 (10:41 -0400)]
Use stosl in memset; makes boot time bearable
Frans Kaashoek [Thu, 1 Sep 2011 14:25:20 +0000 (10:25 -0400)]
Fix layout issues for printed version
Robert Morris [Wed, 31 Aug 2011 13:48:52 +0000 (09:48 -0400)]
move the kernel to 0x80000000
Robert Morris [Wed, 31 Aug 2011 09:38:05 +0000 (05:38 -0400)]
simplify the end of entry.S
Robert Morris [Wed, 31 Aug 2011 00:50:19 +0000 (20:50 -0400)]
enterpgdir -> entrypgdir
Frans Kaashoek [Mon, 29 Aug 2011 21:18:40 +0000 (17:18 -0400)]
Revert "Introduce and use sleeplocks instead of BUSY flags"
My changes have a race with re-used bufs and the code doesn't seem to get shorter
Keep the changes that fixed ip->off race
This reverts commit
3a5fa7ed9020eaf8ab843a16d26db7393b2ec072 .
Conflicts:
defs.h
file.c
file.h
Austin Clements [Mon, 29 Aug 2011 20:14:44 +0000 (16:14 -0400)]
Renumber I_VALID since I_BUSY is gone
Austin Clements [Mon, 29 Aug 2011 20:12:17 +0000 (16:12 -0400)]
dir-locals.el to set style in Emacs
Austin Clements [Mon, 29 Aug 2011 20:12:01 +0000 (16:12 -0400)]
Style nits; indentation and tabs
Frans Kaashoek [Fri, 26 Aug 2011 14:10:37 +0000 (10:10 -0400)]
Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6
Frans Kaashoek [Fri, 26 Aug 2011 14:08:29 +0000 (10:08 -0400)]
Introduce and use sleeplocks instead of BUSY flags
Remove I_BUSY, B_BUSY, and intrans defs and usages
One spinlock per buf to avoid ugly loop in bget
fix race in filewrite (don't update f->off after releasing lock)
Robert Morris [Fri, 26 Aug 2011 10:47:13 +0000 (06:47 -0400)]
segment register -> segment descriptor
Frans Kaashoek [Thu, 25 Aug 2011 18:39:09 +0000 (14:39 -0400)]
Make cross reference with text work
Frans Kaashoek [Wed, 24 Aug 2011 14:24:40 +0000 (10:24 -0400)]
Eliminate USERTOP; no use for it.
Frans Kaashoek [Tue, 23 Aug 2011 00:07:18 +0000 (20:07 -0400)]
A comment
Frans Kaashoek [Tue, 23 Aug 2011 00:05:15 +0000 (20:05 -0400)]
Remove sys_init syscall
Invoke initlog from forkret on first user process
Frans Kaashoek [Mon, 22 Aug 2011 01:14:42 +0000 (21:14 -0400)]
Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6
Frans Kaashoek [Mon, 22 Aug 2011 01:14:29 +0000 (21:14 -0400)]
delete dead code
Robert Morris [Fri, 19 Aug 2011 17:30:57 +0000 (13:30 -0400)]
make dirlookup and dirlink more similar
Frans Kaashoek [Thu, 18 Aug 2011 00:52:28 +0000 (20:52 -0400)]
bootloader reads into a physical address (not a virtual address)
Frans Kaashoek [Thu, 18 Aug 2011 00:23:36 +0000 (20:23 -0400)]
Make elf proghdr fields match what objdump prints
Frans Kaashoek [Wed, 17 Aug 2011 00:23:17 +0000 (20:23 -0400)]
Switch back to #define for PHYSTOP. Using the E820 to retrieve the memory map is too complicated (must be done in 16-bit real-mode, probably enlarged bootblock beyond 512 bytes, and a #define requires less explanation).
Frans Kaashoek [Tue, 16 Aug 2011 19:47:22 +0000 (15:47 -0400)]
Clean up memlayout.h
Get rid of last instances of linear address and "la"
Get ready for detecting physical memory dynamically
Frans Kaashoek [Tue, 16 Aug 2011 00:32:04 +0000 (20:32 -0400)]
Update make clean
Frans Kaashoek [Tue, 16 Aug 2011 00:28:28 +0000 (20:28 -0400)]
Update list of files to include in printout
Frans Kaashoek [Tue, 16 Aug 2011 00:21:14 +0000 (20:21 -0400)]
Make Austin happier
2011
Frans Kaashoek [Tue, 16 Aug 2011 00:11:13 +0000 (20:11 -0400)]
Avoid "boot" in xv6
Frans Kaashoek [Mon, 15 Aug 2011 21:41:58 +0000 (17:41 -0400)]
Use 4Mbyte pages during boot
Austin Clements [Mon, 15 Aug 2011 18:11:22 +0000 (14:11 -0400)]
Only commit log to disk if something was written in to it.
Without this, every write to the console results in log writes.
Robert Morris [Mon, 15 Aug 2011 16:44:41 +0000 (12:44 -0400)]
Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6
Robert Morris [Mon, 15 Aug 2011 16:44:20 +0000 (12:44 -0400)]
avoid deadlock by calling begin_trans() before locking any inodes
Frans Kaashoek [Mon, 15 Aug 2011 16:02:59 +0000 (12:02 -0400)]
Separate more clearly bootloader from xv6 by renaming multiboot.S to entry.S etc.
Maybe the string boot shouldn't appear in xv6 code?
Frans Kaashoek [Fri, 12 Aug 2011 16:02:17 +0000 (12:02 -0400)]
Oops
Robert Morris [Fri, 12 Aug 2011 13:26:23 +0000 (09:26 -0400)]
Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6
Robert Morris [Fri, 12 Aug 2011 13:25:39 +0000 (09:25 -0400)]
log write() data
usertest for big write()s
push begin_trans/commit_trans down into syscalls
Frans Kaashoek [Fri, 12 Aug 2011 11:31:52 +0000 (07:31 -0400)]
Some comments
Frans Kaashoek [Thu, 11 Aug 2011 16:25:10 +0000 (12:25 -0400)]
Make AP processors boot using bootpgdir
Remove device mapping from bootpgdir
Remove unnecessary vmenable
Set CPUS back to 2 in Makefile
Passes all usertests
Frans Kaashoek [Wed, 10 Aug 2011 03:22:48 +0000 (23:22 -0400)]
One more low address
Frans Kaashoek [Wed, 10 Aug 2011 01:56:43 +0000 (21:56 -0400)]
Tiny bit of cleanup
Frans Kaashoek [Wed, 10 Aug 2011 01:51:17 +0000 (21:51 -0400)]
Shorten boot assembly
Frans Kaashoek [Wed, 10 Aug 2011 01:49:13 +0000 (21:49 -0400)]
x
Frans Kaashoek [Wed, 10 Aug 2011 01:47:40 +0000 (21:47 -0400)]
Remove jmpkstack
Frans Kaashoek [Wed, 10 Aug 2011 01:37:35 +0000 (21:37 -0400)]
Use static page table for boot, mapping first 4Mbyte; no more segment trick
Allocate proper kernel page table immediately in main using boot allocator
Remove pginit
Simplify address space layout a tiny bit
More to come (e.g., superpages to simplify static table)
Frans Kaashoek [Wed, 10 Aug 2011 01:33:59 +0000 (21:33 -0400)]
Use kernel virtual addresses for BIOS memory, etc.
Frans Kaashoek [Tue, 9 Aug 2011 20:09:15 +0000 (16:09 -0400)]
Allow gas to use / as divide (instead of comment)
Maybe not necessary, but don't want to waste time figuring this out again
Frans Kaashoek [Mon, 8 Aug 2011 17:30:08 +0000 (13:30 -0400)]
One definition of several macros and constants
Frans Kaashoek [Mon, 8 Aug 2011 13:20:29 +0000 (09:20 -0400)]
Speedup sbrk tst a bit (forking 100Mbyte processes is slow)
Frans Kaashoek [Mon, 8 Aug 2011 03:03:48 +0000 (23:03 -0400)]
Adjust sbrk test for large user address spaces
All tests pass
Frans Kaashoek [Sun, 7 Aug 2011 16:30:34 +0000 (12:30 -0400)]
oops
Frans Kaashoek [Mon, 1 Aug 2011 01:27:02 +0000 (21:27 -0400)]
Don't map IO space in the user part of the address space
Passes all tests now (but need to update usertests to allow for more than 640k)
Frans Kaashoek [Fri, 29 Jul 2011 11:31:27 +0000 (07:31 -0400)]
Map kernel high
Very important to give qemu memory through PHYSTOP :(
Frans Kaashoek [Thu, 28 Jul 2011 00:49:45 +0000 (20:49 -0400)]
Merge commit 'origin/master' into page
Frans Kaashoek [Thu, 28 Jul 2011 00:35:46 +0000 (20:35 -0400)]
Dirt simple logging
Passes usertests and stressfs
Seems to recover correctly in a number of simple cases
Austin Clements [Fri, 24 Jun 2011 18:20:51 +0000 (14:20 -0400)]
Add -fno-omit-frame-pointer to compile flags.
At some point between gcc 4.4 and 4.6, omitting the frame pointer
became default if any -O is specified. getcallerpcs relies on the
frame pointer, so bring it back.
Nickolai Zeldovich [Fri, 24 Jun 2011 09:26:57 +0000 (05:26 -0400)]
do not run past the end of the disk!
[ cherry-picked
de6075ff0978108daea1d658425bcb37663a98a0 ]
Conflicts:
fs.c
Frans Kaashoek [Thu, 28 Apr 2011 12:01:36 +0000 (08:01 -0400)]
Russ's fix for panic remap
Russ Cox [Mon, 28 Feb 2011 14:32:54 +0000 (09:32 -0500)]
rebuild xv6-rev5.tar.gz
does not affect line numbers
Russ Cox [Mon, 28 Feb 2011 14:32:20 +0000 (09:32 -0500)]
fixes from Peter Froehlich
Russ Cox [Sun, 20 Feb 2011 02:21:49 +0000 (21:21 -0500)]
web: rev5
Russ Cox [Sun, 20 Feb 2011 02:19:58 +0000 (21:19 -0500)]
updated book pdfs