malloc32.h

Go to the documentation of this file.
00001 /*
00002  * Copyright (c) 2010 Jan Vesely
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  *
00009  * - Redistributions of source code must retain the above copyright
00010  *   notice, this list of conditions and the following disclaimer.
00011  * - Redistributions in binary form must reproduce the above copyright
00012  *   notice, this list of conditions and the following disclaimer in the
00013  *   documentation and/or other materials provided with the distribution.
00014  * - The name of the author may not be used to endorse or promote products
00015  *   derived from this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00018  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00019  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00020  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00021  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00022  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00023  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00024  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00025  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00026  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00027  */
00034 #ifndef DRV_OHCI_UTILS_MALLOC32_H
00035 #define DRV_OHCI_UTILS_MALLOC32_H
00036 
00037 #include <assert.h>
00038 #include <malloc.h>
00039 #include <errno.h>
00040 #include <mem.h>
00041 #include <as.h>
00042 
00048 static inline uintptr_t addr_to_phys(void *addr)
00049 {
00050         uintptr_t result;
00051         int ret = as_get_physical_mapping(addr, &result);
00052 
00053         if (ret != EOK)
00054                 return 0;
00055         return (result | ((uintptr_t)addr & 0xfff));
00056 }
00057 /*----------------------------------------------------------------------------*/
00063 static inline void * malloc32(size_t size)
00064         { return memalign(size, size); }
00065 /*----------------------------------------------------------------------------*/
00070 static inline void free32(void *addr)
00071         { if (addr) free(addr); }
00072 #endif
00073 

Generated on Thu Jun 2 07:45:44 2011 for HelenOS/USB by  doxygen 1.4.7