/*
* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
#define SMALL_SIZE KALLOC_MINSIZE
#define LARGE_SIZE PAGE_SIZE
-static vm_size_t power_of_2(vm_size_t size);
+static vm_object_size_t power_of_2(vm_object_size_t size);
-static vm_size_t
-power_of_2(vm_size_t size)
+static vm_object_size_t
+power_of_2(vm_object_size_t size)
{
- vm_size_t power;
+ vm_object_size_t power;
power = 2 * SMALL_SIZE;
while (power < size) {
vm_external_map_t
vm_external_create(
- vm_offset_t size)
+ vm_object_offset_t size)
{
- vm_size_t bytes;
+ vm_object_size_t bytes;
vm_external_map_t result = VM_EXTERNAL_NULL;
bytes = stob(size);
if (bytes <= SMALL_SIZE) {
- if ((result = (vm_external_map_t)kalloc(SMALL_SIZE)) != NULL) {
+ result = (vm_external_map_t)kalloc(SMALL_SIZE);
+ if (result != NULL) {
memset(result, 0, SMALL_SIZE);
}
} else if (bytes <= LARGE_SIZE) {
bytes = power_of_2(bytes);
- if ((result = (vm_external_map_t)kalloc(bytes)) != NULL) {
- memset(result, 0, bytes);
+ assert((vm_size_t) bytes == bytes);
+ result = (vm_external_map_t)kalloc((vm_size_t)bytes);
+ if (result != NULL) {
+ assert((size_t) bytes == bytes);
+ memset(result, 0, (size_t) bytes);
}
}
return(result);
void
vm_external_destroy(
vm_external_map_t map,
- vm_size_t size)
+ vm_object_size_t size)
{
- vm_size_t bytes;
+ vm_object_size_t bytes;
if (map == VM_EXTERNAL_NULL)
return;
} else {
bytes = power_of_2(bytes);
}
- kfree(map, bytes);
+ assert((vm_size_t) bytes == bytes);
+ kfree(map, (vm_size_t) bytes);
}
/*
* size of the object to be mapped, i.e. the size of the map that was
* created by vm_external_create.
*/
-vm_size_t
+vm_object_size_t
vm_external_map_size(
- vm_offset_t size)
+ vm_object_size_t size)
{
- vm_size_t bytes;
+ vm_object_size_t bytes;
bytes = stob(size);
if (bytes != 0) {
void
vm_external_copy(
vm_external_map_t old_map,
- vm_size_t old_size,
+ vm_object_size_t old_size,
vm_external_map_t new_map)
{
+ vm_object_size_t bytes;
+
/*
* Cannot copy non-existent maps
*/
/*
* Copy old map to new
*/
- memcpy(new_map, old_map, stob(old_size));
+ bytes = stob(old_size);
+ assert((size_t) bytes == bytes);
+ memcpy(new_map, old_map, (size_t) bytes);
}
boolean_t
vm_external_within(
- vm_size_t new_size,
- vm_size_t old_size)
+ vm_object_size_t new_size,
+ vm_object_size_t old_size)
{
- vm_size_t new_bytes;
- vm_size_t old_bytes;
+ vm_object_size_t new_bytes;
+ vm_object_size_t old_bytes;
assert(new_size >= old_size);
vm_external_state_t
_vm_external_state_get(
vm_external_map_t map,
- vm_offset_t offset)
+ vm_object_offset_t offset)
{
- unsigned
- int bit, byte;
+ uint64_t bit, byte;
assert (map != VM_EXTERNAL_NULL);
- bit = atop_32(offset);
+ bit = atop_64(offset);
byte = bit >> 3;
if (map[byte] & (1 << (bit & 07))) {
return VM_EXTERNAL_STATE_EXISTS;
void
vm_external_state_set(
vm_external_map_t map,
- vm_offset_t offset)
+ vm_object_offset_t offset)
{
- unsigned
- int bit, byte;
+ uint64_t bit, byte;
if (map == VM_EXTERNAL_NULL)
return;
- bit = atop_32(offset);
+ bit = atop_64(offset);
byte = bit >> 3;
map[byte] |= (1 << (bit & 07));
}
void
vm_external_state_clr(
vm_external_map_t map,
- vm_offset_t offset)
+ vm_object_offset_t offset)
{
- unsigned
- int bit, byte;
+ uint64_t bit, byte;
if (map == VM_EXTERNAL_NULL)
return;
- bit = atop_32(offset);
+ bit = atop_64(offset);
byte = bit >> 3;
map[byte] &= ~(1 << (bit & 07));
}
projects / apple / xnu.git / blobdiff