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Author SHA1 Message Date
Frans Kaashoek 8a9b6dbd44 Make cross reference with text work 2011-08-25 14:39:09 -04:00
Frans Kaashoek 6f2327580f Eliminate USERTOP; no use for it. 2011-08-24 10:24:40 -04:00
Frans Kaashoek 194f8bf739 A comment 2011-08-22 20:07:18 -04:00
Frans Kaashoek d10d324e79 Remove sys_init syscall 
Invoke initlog from forkret on first user process
 2011-08-22 20:05:15 -04:00
Frans Kaashoek 39f8cc56d3 Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6 2011-08-21 21:14:42 -04:00
Frans Kaashoek 3682474f77 delete dead code 2011-08-21 21:14:29 -04:00
Robert Morris 327cc21fba make dirlookup and dirlink more similar 2011-08-19 13:30:57 -04:00
Frans Kaashoek cd3d739e6f bootloader reads into a physical address (not a virtual address) 2011-08-17 20:52:28 -04:00
Frans Kaashoek fa81545f1c Make elf proghdr fields match what objdump prints 2011-08-17 20:23:36 -04:00
Frans Kaashoek 5f069dcf2f 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). 2011-08-16 20:23:17 -04:00
Frans Kaashoek c3dcf47966 Clean up memlayout.h 
Get rid of last instances of linear address and "la"
Get ready for detecting physical memory dynamically
 2011-08-16 15:47:22 -04:00
Frans Kaashoek 427958cb71 Update make clean 2011-08-15 20:32:04 -04:00
Frans Kaashoek eeea49e8d5 Update list of files to include in printout 2011-08-15 20:28:28 -04:00
Frans Kaashoek d9818bdd7d Make Austin happier 
2011
 2011-08-15 20:21:14 -04:00
Frans Kaashoek a4b213cf49 Avoid "boot" in xv6 2011-08-15 20:11:13 -04:00
Frans Kaashoek 9449646853 Use 4Mbyte pages during boot 2011-08-15 17:41:58 -04:00
Austin Clements 843eecfcd0 Only commit log to disk if something was written in to it. 
Without this, every write to the console results in log writes.
 2011-08-15 14:12:35 -04:00
Robert Morris 7f1718ca33 Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6 2011-08-15 12:44:41 -04:00
Robert Morris 5053dd6a6d avoid deadlock by calling begin_trans() before locking any inodes 2011-08-15 12:44:20 -04:00
Frans Kaashoek c60a3551c2 Separate more clearly bootloader from xv6 by renaming multiboot.S to entry.S etc. 
Maybe the string boot shouldn't appear in xv6 code?
 2011-08-15 12:02:59 -04:00
Frans Kaashoek c95ce31c59 Oops 2011-08-12 12:02:17 -04:00
Robert Morris e0d1ba0d74 Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6 2011-08-12 09:26:23 -04:00
Robert Morris 2e59046362 log write() data 
usertest for big write()s
push begin_trans/commit_trans down into syscalls
 2011-08-12 09:25:39 -04:00
Frans Kaashoek e577a62f0d Some comments 2011-08-12 07:31:52 -04:00
Frans Kaashoek bd71a45046 Make AP processors boot using bootpgdir 
Remove device mapping from bootpgdir
Remove unnecessary vmenable
Set CPUS back to 2 in Makefile
Passes all usertests
 2011-08-11 12:25:10 -04:00
Frans Kaashoek 673b739d31 One more low address 2011-08-09 23:22:48 -04:00
Frans Kaashoek 8a9933a200 Tiny bit of cleanup 2011-08-09 21:56:43 -04:00
Frans Kaashoek 22c73411ca Shorten boot assembly 2011-08-09 21:51:17 -04:00
Frans Kaashoek 5460667c9c x 2011-08-09 21:49:13 -04:00
Frans Kaashoek 832af025a3 Remove jmpkstack 2011-08-09 21:47:40 -04:00
Frans Kaashoek 66ba8079c7 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)
 2011-08-09 21:37:35 -04:00
Frans Kaashoek 3a03810643 Use kernel virtual addresses for BIOS memory, etc. 2011-08-09 21:33:59 -04:00
Frans Kaashoek b23d8329e7 Allow gas to use / as divide (instead of comment) 
Maybe not necessary, but don't want to waste time figuring this out again
 2011-08-09 16:09:15 -04:00
Frans Kaashoek a56c8d609b One definition of several macros and constants 2011-08-08 13:30:08 -04:00
Frans Kaashoek 11b7438b10 Speedup sbrk tst a bit (forking 100Mbyte processes is slow) 2011-08-08 09:20:29 -04:00
Frans Kaashoek 6479766334 Adjust sbrk test for large user address spaces 
All tests pass
 2011-08-07 23:03:48 -04:00
Frans Kaashoek 67d4254d15 oops 2011-08-07 12:30:34 -04:00
Frans Kaashoek 547c28fc1e 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)
 2011-07-31 21:27:02 -04:00
Frans Kaashoek 9aa0337dc1 Map kernel high 
Very important to give qemu memory through PHYSTOP :(
 2011-07-29 07:31:27 -04:00
Frans Kaashoek dccb915282 Merge commit 'origin/master' into page 2011-07-27 20:49:45 -04:00
Frans Kaashoek 13a96baefc Dirt simple logging 
Passes usertests and stressfs
Seems to recover correctly in a number of simple cases
 2011-07-27 20:35:46 -04:00
Austin Clements 97657d703f 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.
 2011-06-24 14:22:19 -04:00
Nickolai Zeldovich 96b7da5f03 do not run past the end of the disk! 
[ cherry-picked de6075ff0978108daea1d658425bcb37663a98a0 ]

Conflicts:

	fs.c
 2011-06-24 05:26:57 -04:00
Frans Kaashoek f70ef994dc Russ's fix for panic remap 2011-04-28 08:01:36 -04:00
Russ Cox ae603ff5e7 rebuild xv6-rev5.tar.gz 
does not affect line numbers
 2011-02-28 09:32:54 -05:00
Russ Cox c5f5387351 fixes from Peter Froehlich 2011-02-28 09:32:20 -05:00
Russ Cox a6cd7509c4 web: rev5 2011-02-19 21:21:49 -05:00
Russ Cox 688b5c03dd updated book pdfs 2011-02-19 21:19:58 -05:00
Russ Cox cf4b1ad90b xv6: formatting, cleanup, rev5 (take 2) 2011-02-19 21:17:55 -05:00
Russ Cox 9c4fe7ba10 xv6: formatting, cleanup, rev5 2011-02-19 21:16:54 -05:00