Module Name: src
Committed By: maxv
Date: Fri Nov 11 12:06:31 UTC 2016
Modified Files:
src/sys/arch/amd64/include: pmap.h
Log Message:
Remove useless values, and explain where some others come from
To generate a diff of this commit:
cvs rdiff -u -r1.38 -r1.39 src/sys/arch/amd64/include/pmap.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/amd64/include/pmap.h
diff -u src/sys/arch/amd64/include/pmap.h:1.38 src/sys/arch/amd64/include/pmap.h:1.39
--- src/sys/arch/amd64/include/pmap.h:1.38 Fri Jul 22 14:08:33 2016
+++ src/sys/arch/amd64/include/pmap.h Fri Nov 11 12:06:31 2016
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.h,v 1.38 2016/07/22 14:08:33 maxv Exp $ */
+/* $NetBSD: pmap.h,v 1.39 2016/11/11 12:06:31 maxv Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -128,17 +128,6 @@
*/
/*
- * The first generation of Hammer processors can use 48 bits of
- * virtual memory, and 40 bits of physical memory. This will be
- * more for later generations. These defines can be changed to
- * variable names containing the # of bits, extracted from an
- * extended cpuid instruction (variables are harder to use during
- * bootstrap, though)
- */
-#define VIRT_BITS 48
-#define PHYS_BITS 40
-
-/*
* Mask to get rid of the sign-extended part of addresses.
*/
#define VA_SIGN_MASK 0xffff000000000000
@@ -150,10 +139,10 @@
#define L4_SLOT_PTE 255
#ifndef XEN
-#define L4_SLOT_KERN 256
+#define L4_SLOT_KERN 256 /* pl4_i(VM_MIN_KERNEL_ADDRESS) */
#else
/* Xen use slots 256-272, let's move farther */
-#define L4_SLOT_KERN 320
+#define L4_SLOT_KERN 320 /* pl4_i(VM_MIN_KERNEL_ADDRESS) */
#endif
#define L4_SLOT_KERNBASE 511 /* pl4_i(KERNBASE) */
