[src/trunk]: src/sys/arch/pc532/pc532 add MD part of SA/pthread pagefault han...

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

details:   https://anonhg.NetBSD.org/src/rev/7265c5917f95
branches:  trunk
changeset: 552178:7265c5917f95
user:      cl <cl%NetBSD.org@localhost>
date:      Sat Sep 20 23:44:07 2003 +0000

description:
add MD part of SA/pthread pagefault handling on pc532

diffstat:

 sys/arch/pc532/pc532/trap.c |  15 ++++++++++++---
 1 files changed, 12 insertions(+), 3 deletions(-)

diffs (51 lines):

diff -r cc4e359f8085 -r 7265c5917f95 sys/arch/pc532/pc532/trap.c
--- a/sys/arch/pc532/pc532/trap.c       Sat Sep 20 22:50:52 2003 +0000
+++ b/sys/arch/pc532/pc532/trap.c       Sat Sep 20 23:44:07 2003 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: trap.c,v 1.55 2003/08/07 16:29:03 agc Exp $    */
+/*     $NetBSD: trap.c,v 1.56 2003/09/20 23:44:07 cl Exp $     */
 
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
@@ -77,7 +77,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.55 2003/08/07 16:29:03 agc Exp $");
+__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.56 2003/09/20 23:44:07 cl Exp $");
 
 #include "opt_ddb.h"
 #include "opt_kgdb.h"
@@ -426,8 +426,15 @@
                 */
                if (type == T_ABT && va >= KERNBASE)
                        map = kernel_map;
-               else
+               else {
                        map = &vm->vm_map;
+                       if (l->l_flag & L_SA) {
+                               KDASSERT(p != NULL && p->p_sa != NULL);
+                               p->p_sa->sa_vp_faultaddr =
+                                       (vaddr_t)frame.tf_tear;
+                               l->l_flag |= L_SA_PAGEFAULT;
+                       }
+               }
                if ((frame.tf_msr & MSR_DDT) == DDT_WRITE ||
                    (frame.tf_msr & MSR_STT) == STT_RMW)
                        ftype = VM_PROT_WRITE;
@@ -459,6 +466,7 @@
 
                        if (type == T_ABT)
                                return;
+                       l->l_flag &= ~L_SA_PAGEFAULT;
                        goto out;
                }
 
@@ -481,6 +489,7 @@
                } else {
                        trapsignal(l, SIGSEGV, T_ABT);
                }
+               l->l_flag &= ~L_SA_PAGEFAULT;
                break;
        }