PERFORCE change 28189 for review

[Peter Wemm]

http://perforce.freebsd.org/chv.cgi?CH=28189

Change 28189 by peter at peter_overcee on 2003/04/04 23:02:12

	Hook up level 3 and level 4 page directory glue
	(stolen from Jake's PAE diffs)

Affected files ...

.. //depot/projects/hammer/sys/x86_64/x86_64/locore.s#23 edit

Differences ...

==== //depot/projects/hammer/sys/x86_64/x86_64/locore.s#23 (text+ko) ====

@@ -298,9 +298,10 @@
 	movl	%esi,R(KPTphys)
 
 /* Allocate Page Table Directory */
-	/* XXX only need 32 bytes (easier for now) */
 	ALLOCPAGES(1)
 	movl	%esi,R(IdlePML4)
+	ALLOCPAGES(1)
+	movl	%esi,R(IdlePDP)
 	ALLOCPAGES(NPGPTD)
 	movl	%esi,R(IdlePTD)
 
@@ -338,6 +339,10 @@
 	movl	$1, %ecx
 	fillkptphys($PG_RW)
 
+	movl	R(IdlePDP), %eax
+	movl	$1, %ecx
+	fillkptphys($PG_RW)
+
 	movl	R(IdlePTD), %eax
 	movl	$NPGPTD, %ecx
 	fillkptphys($PG_RW)
@@ -378,6 +383,11 @@
 	movl	R(IdlePTD), %eax
 	xorl	%ebx, %ebx
 	movl	$NPGPTD, %ecx
+	fillkpt(R(IdlePDP), $0x0)
+
+	movl	R(IdlePDP), %eax
+	xorl	%ebx, %ebx
+	movl	$1, %ecx
 	fillkpt(R(IdlePML4), $0x0)
 
 	ret