Module Name: src
Committed By: skrll
Date: Wed Feb 17 11:33:51 UTC 2010
Modified Files:
src/sys/arch/hp700/include: cpu.h
Log Message:
Add some comments.
To generate a diff of this commit:
cvs rdiff -u -r1.36 -r1.37 src/sys/arch/hp700/include/cpu.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/hp700/include/cpu.h
diff -u src/sys/arch/hp700/include/cpu.h:1.36 src/sys/arch/hp700/include/cpu.h:1.37
--- src/sys/arch/hp700/include/cpu.h:1.36 Wed Feb 17 11:21:24 2010
+++ src/sys/arch/hp700/include/cpu.h Wed Feb 17 11:33:51 2010
@@ -1,4 +1,4 @@
-/* $NetBSD: cpu.h,v 1.36 2010/02/17 11:21:24 skrll Exp $ */
+/* $NetBSD: cpu.h,v 1.37 2010/02/17 11:33:51 skrll Exp $ */
/* $OpenBSD: cpu.h,v 1.55 2008/07/23 17:39:35 kettenis Exp $ */
@@ -153,16 +153,18 @@
*/
#if defined(HP8000_CPU) || defined(HP8200_CPU) || \
defined(HP8500_CPU) || defined(HP8600_CPU)
+/* PA2.0 aliases */
#define HPPA_PGALIAS 0x00400000
-#define HPPA_PGAMASK 0xffc00000
+#define HPPA_PGAMASK 0xffc00000 /* PA bits 0-9 not used in index */
#define HPPA_PGAOFF 0x003fffff
#else
+/* PA1.x aliases */
#define HPPA_PGALIAS 0x00100000
-#define HPPA_PGAMASK 0xfff00000
+#define HPPA_PGAMASK 0xfff00000 /* PA bits 0-11 not used in index */
#define HPPA_PGAOFF 0x000fffff
#endif
-#define HPPA_SPAMASK 0xf0f0f000
+#define HPPA_SPAMASK 0xf0f0f000 /* PA bits 0-3,8-11,16-19 not used */
#define HPPA_IOSPACE 0xf0000000
#define HPPA_IOLEN 0x10000000
