/* * Copyright (c) 2005 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_OSREFERENCE_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, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ */ #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) tsleep(&dsmos_hook, PZERO, "dsmos", hz / 10); return (*dsmos_hook) (from, to); } void dsmos_page_transform_hook(dsmos_page_transform_hook_t hook, void (*commpage_setup_dsmos_blob)(void**, int)) { #ifdef i386 /* finish initializing the commpage here */ (*commpage_setup_dsmos_blob)(dsmos_blobs, dsmos_blob_count); #endif /* set the hook now - new callers will run with it */ dsmos_hook = hook; } int dsmos_page_transform(const void* from, void* to) { /* printf("%s\n", __FUNCTION__); */ if (dsmos_hook == NULL) return KERN_FAILURE; return (*dsmos_hook) (from, to); }