[src/trunk]: src/sys/arch/powerpc Add mm_md_kernacc and now kmem tools work a...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8245a27832b4
branches:  trunk
changeset: 766035:8245a27832b4
user:      matt <matt%NetBSD.org@localhost>
date:      Tue Jun 14 03:12:43 2011 +0000

description:
Add mm_md_kernacc and now kmem tools work again.

diffstat:

 sys/arch/powerpc/include/types.h           |   3 ++-
 sys/arch/powerpc/powerpc/powerpc_machdep.c |  21 +++++++++++++++++++--
 2 files changed, 21 insertions(+), 3 deletions(-)

diffs (55 lines):

diff -r 372cfc1666fc -r 8245a27832b4 sys/arch/powerpc/include/types.h
--- a/sys/arch/powerpc/include/types.h  Tue Jun 14 02:45:58 2011 +0000
+++ b/sys/arch/powerpc/include/types.h  Tue Jun 14 03:12:43 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: types.h,v 1.43 2011/06/13 21:19:02 matt Exp $  */
+/*     $NetBSD: types.h,v 1.44 2011/06/14 03:12:43 matt Exp $  */
 
 /*-
  * Copyright (C) 1995 Wolfgang Solfrank.
@@ -91,5 +91,6 @@
 #endif
 
 #define        __HAVE_MM_MD_DIRECT_MAPPED_PHYS
+#define        __HAVE_MM_MD_KERNACC
 
 #endif /* _MACHTYPES_H_ */
diff -r 372cfc1666fc -r 8245a27832b4 sys/arch/powerpc/powerpc/powerpc_machdep.c
--- a/sys/arch/powerpc/powerpc/powerpc_machdep.c        Tue Jun 14 02:45:58 2011 +0000
+++ b/sys/arch/powerpc/powerpc/powerpc_machdep.c        Tue Jun 14 03:12:43 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: powerpc_machdep.c,v 1.52 2011/06/12 06:10:42 matt Exp $        */
+/*     $NetBSD: powerpc_machdep.c,v 1.53 2011/06/14 03:12:43 matt Exp $        */
 
 /*
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: powerpc_machdep.c,v 1.52 2011/06/12 06:10:42 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: powerpc_machdep.c,v 1.53 2011/06/14 03:12:43 matt Exp $");
 
 #include "opt_altivec.h"
 #include "opt_modular.h"
@@ -450,3 +450,20 @@
 
        return (atop(pa) < physmem) ? 0 : EFAULT;
 }
+
+int
+mm_md_kernacc(void *va, vm_prot_t prot, bool *handled)
+{
+       if (atop((paddr_t)va) < physmem) {
+               *handled = true;
+               return 0;
+       }
+
+       if ((vaddr_t)va < VM_MIN_KERNEL_ADDRESS
+           || (vaddr_t)va >= VM_MAX_KERNEL_ADDRESS)
+               return EFAULT;
+
+       *handled = false;
+       return 0;
+}
+