Only in src/sys/amd64/amd64: db_trace.c.orig
Only in src/sys/amd64/amd64: exception.S.orig
Only in src/sys/amd64/amd64: machdep.c.orig
diff -ur src.old/sys/amd64/amd64/support.S src/sys/amd64/amd64/support.S
--- src.old/sys/amd64/amd64/support.S	Sat Apr 29 18:55:51 2006
+++ src/sys/amd64/amd64/support.S	Sun Apr 30 16:21:06 2006
@@ -72,15 +72,21 @@
 
 /* Address: %rdi */
 ENTRY(pagezero)
-	movq	$-PAGE_SIZE,%rdx
-	subq	%rdx,%rdi
+	xorq	%rdx,%rdx
 	xorl	%eax,%eax
+	prefetchw 64(%rdi)
 1:
 	movnti	%rax,(%rdi,%rdx)
 	movnti	%rax,8(%rdi,%rdx)
 	movnti	%rax,16(%rdi,%rdx)
 	movnti	%rax,24(%rdi,%rdx)
-	addq	$32,%rdx
+	movnti	%rax,32(%rdi,%rdx)
+	movnti	%rax,40(%rdi,%rdx)
+	movnti	%rax,48(%rdi,%rdx)
+	movnti	%rax,56(%rdi,%rdx)
+	addq	$64,%rdx
+	prefetchw 64(%rdi,%rdx)
+	cmpq	$PAGE_SIZE,%rdx
 	jne	1b
 	sfence
 	ret
Only in src/sys/amd64/amd64: trap.c.orig
Only in src/sys/amd64/include: atomic.h.orig