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authorjake <jake@FreeBSD.org>2001-08-18 18:11:13 +0000
committerjake <jake@FreeBSD.org>2001-08-18 18:11:13 +0000
commit96b13f3863080d6783177a2ea62fafb8ac0a646c (patch)
tree37d21e8cd83729295d77efc38f75829972f38056 /sys
parent02952fe2493b703d3f14675d507d4d6b0f9e2bed (diff)
downloadFreeBSD-src-96b13f3863080d6783177a2ea62fafb8ac0a646c.zip
FreeBSD-src-96b13f3863080d6783177a2ea62fafb8ac0a646c.tar.gz
Increase the size of the phys_avail memory map. Implement pmap_dispose_proc.
Turn some more potentially import functions into nops so we can do stuff until they matter.
Diffstat (limited to 'sys')
-rw-r--r--sys/sparc64/sparc64/pmap.c55
1 files changed, 46 insertions, 9 deletions
diff --git a/sys/sparc64/sparc64/pmap.c b/sys/sparc64/sparc64/pmap.c
index 50d0588..e16f514 100644
--- a/sys/sparc64/sparc64/pmap.c
+++ b/sys/sparc64/sparc64/pmap.c
@@ -1,7 +1,15 @@
-/*-
- * Copyright (c) 2001 Jake Burkholder.
+/*
+ * Copyright (c) 1991 Regents of the University of California.
+ * All rights reserved.
+ * Copyright (c) 1994 John S. Dyson
+ * All rights reserved.
+ * Copyright (c) 1994 David Greenman
* All rights reserved.
*
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department and William Jolitz of UUNET Technologies Inc.
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -10,11 +18,18 @@
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
@@ -23,6 +38,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
+ * from: @(#)pmap.c 7.7 (Berkeley) 5/12/91
* $FreeBSD$
*/
@@ -106,7 +122,7 @@ vm_offset_t avail_end;
/*
* Map of physical memory reagions.
*/
-vm_offset_t phys_avail[10];
+vm_offset_t phys_avail[128];
/*
* First and last available kernel virtual addresses.
@@ -580,6 +596,27 @@ pmap_new_proc(struct proc *p)
}
void
+pmap_dispose_proc(struct proc *p)
+{
+ vm_object_t upobj;
+ vm_page_t m;
+ int i;
+
+ upobj = p->p_upages_obj;
+ for (i = 0; i < UPAGES; i++) {
+ if ((m = vm_page_lookup(upobj, i)) == NULL)
+ panic("pmap_dispose_proc: upage already missing???");
+
+ vm_page_busy(m);
+
+ pmap_kremove((vm_offset_t)p->p_addr + i * PAGE_SIZE);
+
+ vm_page_unwire(m, 0);
+ vm_page_free(m);
+ }
+}
+
+void
pmap_page_protect(vm_page_t m, vm_prot_t prot)
{
@@ -609,8 +646,8 @@ pmap_activate(struct proc *p)
vm_offset_t
pmap_addr_hint(vm_object_t object, vm_offset_t va, vm_size_t size)
{
- TODO;
- return (0);
+
+ return (va);
}
void
@@ -629,7 +666,7 @@ void
pmap_copy(pmap_t dst_pmap, pmap_t src_pmap, vm_offset_t dst_addr,
vm_size_t len, vm_offset_t src_addr)
{
- TODO;
+ /* XXX */
}
void
@@ -737,7 +774,7 @@ pmap_reference(pmap_t pm)
void
pmap_release(pmap_t pmap)
{
- TODO;
+ /* XXX */
}
void
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