[src/trunk]: src/sys/arch/hppa Define PMAP_NEED_PROCWR and provide pmap_procw...

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

details:   https://anonhg.NetBSD.org/src/rev/0d2865e6774d
branches:  trunk
changeset: 772197:0d2865e6774d
user:      skrll <skrll%NetBSD.org@localhost>
date:      Fri Dec 23 16:35:00 2011 +0000

description:
Define PMAP_NEED_PROCWR and provide pmap_procwr so that the i-cache is
synchronised with the d-cache appropriately.

diffstat:

 sys/arch/hppa/hppa/pmap.c    |  16 ++++++++++++++--
 sys/arch/hppa/include/pmap.h |   6 +++++-
 2 files changed, 19 insertions(+), 3 deletions(-)

diffs (64 lines):

diff -r 90f86215efdd -r 0d2865e6774d sys/arch/hppa/hppa/pmap.c
--- a/sys/arch/hppa/hppa/pmap.c Fri Dec 23 15:31:16 2011 +0000
+++ b/sys/arch/hppa/hppa/pmap.c Fri Dec 23 16:35:00 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.83 2011/12/16 12:45:04 skrll Exp $  */
+/*     $NetBSD: pmap.c,v 1.84 2011/12/23 16:35:00 skrll Exp $  */
 
 /*-
  * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
@@ -65,7 +65,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.83 2011/12/16 12:45:04 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.84 2011/12/23 16:35:00 skrll Exp $");
 
 #include "opt_cputype.h"
 
@@ -1587,6 +1587,18 @@
                mtctl(pmap->pm_pid, CR_PIDR2);
 }
 
+void
+pmap_procwr(struct proc *p, vaddr_t va, size_t len)
+{
+       pmap_t pmap = p->p_vmspace->vm_map.pmap;
+
+       fdcache(pmap->pm_space, va, len);
+       sync_caches();
+       ficache(pmap->pm_space, va, len);
+       sync_caches();
+
+}
+
 static inline void
 pmap_flush_page(struct vm_page *pg, bool purge)
 {
diff -r 90f86215efdd -r 0d2865e6774d sys/arch/hppa/include/pmap.h
--- a/sys/arch/hppa/include/pmap.h      Fri Dec 23 15:31:16 2011 +0000
+++ b/sys/arch/hppa/include/pmap.h      Fri Dec 23 16:35:00 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.h,v 1.32 2011/12/16 13:38:44 skrll Exp $  */
+/*     $NetBSD: pmap.h,v 1.33 2011/12/23 16:35:00 skrll Exp $  */
 
 /*     $OpenBSD: pmap.h,v 1.35 2007/12/14 18:32:23 deraadt Exp $       */
 
@@ -48,6 +48,8 @@
 
 #ifdef _KERNEL
 
+#define PMAP_NEED_PROCWR
+
 struct pmap {
        struct uvm_object pm_obj;       /* object (lck by object lock) */
 #define        pm_lock pm_obj.vmobjlock
@@ -148,6 +150,8 @@
 void pmap_remove(struct pmap *pmap, vaddr_t sva, vaddr_t eva);
 void pmap_page_remove(struct vm_page *pg);
 
+void pmap_procwr(struct proc *, vaddr_t, size_t);
+
 static inline void
 pmap_deactivate(struct lwp *l)
 {