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authorRobert Morris <[email protected]>2012-08-28 14:11:23 -0400
committerRobert Morris <[email protected]>2012-08-28 14:11:23 -0400
commit792d83cad186c175d4dd5612b12a9db3d4258389 (patch)
tree9fc744ae2b275b9708c41d420bceca5d95f4a1ae
parentc1ee7eb4d31bd17e48857479fec8f4c2065d4b7d (diff)
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nits
-rw-r--r--README16
-rw-r--r--vm.c8
2 files changed, 12 insertions, 12 deletions
diff --git a/README b/README
index 41d28ec..3ae908d 100644
--- a/README
+++ b/README
@@ -6,7 +6,7 @@ ACKNOWLEDGMENTS
xv6 is inspired by John Lions's Commentary on UNIX 6th Edition (Peer
to Peer Communications; ISBN: 1-57398-013-7; 1st edition (June 14,
-2000)). See also http://pdos.csail.mit.edu/6.828/2007/v6.html, which
+2000)). See also http://pdos.csail.mit.edu/6.828/2012/v6.html, which
provides pointers to on-line resources for v6.
xv6 borrows code from the following sources:
@@ -15,7 +15,7 @@ xv6 borrows code from the following sources:
FreeBSD (ioapic.c)
NetBSD (console.c)
-The following people made contributions:
+The following people have made contributions:
Russ Cox (context switching, locking)
Cliff Frey (MP)
Xiao Yu (MP)
@@ -26,7 +26,7 @@ In addition, we are grateful for the patches contributed by Greg
Price, Yandong Mao, and Hitoshi Mitake.
The code in the files that constitute xv6 is
-Copyright 2006-2011 Frans Kaashoek, Robert Morris, and Russ Cox.
+Copyright 2006-2012 Frans Kaashoek, Robert Morris, and Russ Cox.
ERROR REPORTS
@@ -38,13 +38,13 @@ BUILDING AND RUNNING XV6
To build xv6 on an x86 ELF machine (like Linux or FreeBSD), run "make".
On non-x86 or non-ELF machines (like OS X, even on x86), you will
need to install a cross-compiler gcc suite capable of producing x86 ELF
-binaries. See http://pdos.csail.mit.edu/6.828/2011/tools.html.
+binaries. See http://pdos.csail.mit.edu/6.828/2012/tools.html.
Then run "make TOOLPREFIX=i386-jos-elf-".
-To run xv6, you can use Bochs or QEMU, both PC simulators.
-Bochs makes debugging easier, but QEMU is much faster.
-To run in Bochs, run "make bochs" and then type "c" at the bochs prompt.
-To run in QEMU, run "make qemu".
+To run xv6, you can use the Bochs or QEMU PC simulators. Bochs makes
+debugging easier, but QEMU is much faster. To run in Bochs, run "make
+bochs" and then type "c" at the bochs prompt. To run in QEMU, run
+"make qemu".
To create a typeset version of the code, run "make xv6.pdf". This
requires the "mpage" utility. See http://www.mesa.nl/pub/mpage/.
diff --git a/vm.c b/vm.c
index 7cfdc4e..dde56b7 100644
--- a/vm.c
+++ b/vm.c
@@ -118,10 +118,10 @@ static struct kmap {
uint phys_end;
int perm;
} kmap[] = {
- { (void*)KERNBASE, 0, EXTMEM, PTE_W}, // I/O space
- { (void*)KERNLINK, V2P(KERNLINK), V2P(data), 0}, // kernel text+rodata
- { (void*)data, V2P(data), PHYSTOP, PTE_W}, // kernel data+memory
- { (void*)DEVSPACE, DEVSPACE, 0, PTE_W}, // more devices
+ { (void*)KERNBASE, 0, EXTMEM, PTE_W}, // I/O space
+ { (void*)KERNLINK, V2P(KERNLINK), V2P(data), 0}, // kern text+rodata
+ { (void*)data, V2P(data), PHYSTOP, PTE_W}, // kern data+memory
+ { (void*)DEVSPACE, DEVSPACE, 0, PTE_W}, // more devices
};
// Set up kernel part of a page table.