xnu-6153.61.1.tar.gz

[apple/xnu.git] / osfmk / kern / page_decrypt.c

diff --git a/osfmk/kern/page_decrypt.c b/osfmk/kern/page_decrypt.c
index c397ab1e573c1161a702ee64ae78eb1bac288a75..c95ce3e7f2ebcf75d5eea709d28c09a3f13bad70 100644 (file)
--- a/osfmk/kern/page_decrypt.c
+++ b/osfmk/kern/page_decrypt.c
@@ -1,74 +1,66 @@
 /*
- * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2005-2006 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_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 Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * 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.
+ *
+ * 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.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
  */
 
+#include <debug.h>
 
 #include <kern/page_decrypt.h>
 #include <kern/task.h>
 #include <machine/commpage.h>
 
-/*#include <sys/kernel.h> */
-extern int hz;                 /* system clock's frequency */
-extern void*   dsmos_blobs[];
-extern int     dsmos_blob_count;
-
-/* #include <sys/proc.h> */
-extern int     tsleep(void *chan, int pri, const char *wmesg, int timo);
-
-/* #include <sys/param.h> */
-#define        PZERO   22              /* No longer magic, shouldn't be here.  XXX */
-
-static int _dsmos_wait_for_callback(const void*,void*);
-
-static dsmos_page_transform_hook_t dsmos_hook = _dsmos_wait_for_callback;
-
-int
-_dsmos_wait_for_callback(const void* from, void *to)
-{
-/*     printf("%s\n", __FUNCTION__); */
-       while ( (dsmos_hook == NULL) || (dsmos_hook == _dsmos_wait_for_callback) )
-               tsleep(&dsmos_hook, PZERO, "dsmos", hz / 10);
-
-       return (*dsmos_hook) (from, to);
-}
+static dsmos_page_transform_hook_t dsmos_hook = NULL;
 
 void
-dsmos_page_transform_hook(dsmos_page_transform_hook_t hook,
-                         void (*commpage_setup_dsmos_blob)(void**, int))
+dsmos_page_transform_hook(dsmos_page_transform_hook_t hook)
 {
-#ifdef i386
-       /* finish initializing the commpage here */
-       (*commpage_setup_dsmos_blob)(dsmos_blobs, dsmos_blob_count);
-#endif
-
+       printf("DSMOS has arrived\n");
        /* set the hook now - new callers will run with it */
        dsmos_hook = hook;
 }
 
 int
-dsmos_page_transform(const void* from, void* to)
+dsmos_page_transform(const void* from, void *to, unsigned long long src_offset, void *ops)
 {
-/*     printf("%s\n", __FUNCTION__); */
-       if (dsmos_hook == NULL)
-               return KERN_FAILURE;
-       return (*dsmos_hook) (from, to);
+       static boolean_t first_wait = TRUE;
+
+       if (dsmos_hook == NULL) {
+               if (first_wait) {
+                       first_wait = FALSE;
+                       printf("Waiting for DSMOS...\n");
+               }
+               return KERN_ABORTED;
+       }
+       return (*dsmos_hook)(from, to, src_offset, ops);
 }
 
+
+text_crypter_create_hook_t text_crypter_create = NULL;
+void
+text_crypter_create_hook_set(text_crypter_create_hook_t hook)
+{
+       text_crypter_create = hook;
+}