1 /* 2 * Copyright (c) 2014, STMicroelectronics International N.V. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef TEE_INTERNAL_API_EXTENSIONS_H 29 #define TEE_INTERNAL_API_EXTENSIONS_H 30 31 /* trace support */ 32 #include <trace.h> 33 #include <stdio.h> 34 #include <tee_api_defines_extensions.h> 35 #include <tee_api_types.h> 36 37 void tee_user_mem_mark_heap(void); 38 size_t tee_user_mem_check_heap(void); 39 /* Hint implementation defines */ 40 #define TEE_USER_MEM_HINT_NO_FILL_ZERO 0x80000000 41 42 /* 43 * Cache maintenance support (TA requires the CACHE_MAINTENANCE property) 44 * 45 * TEE_CacheClean() Write back to memory any dirty data cache lines. The line 46 * is marked as not dirty. The valid bit is unchanged. 47 * 48 * TEE_CacheFlush() Purges any valid data cache lines. Any dirty cache lines 49 * are first written back to memory, then the cache line is 50 * invalidated. 51 * 52 * TEE_CacheInvalidate() Invalidate any valid data cache lines. Any dirty line 53 * are not written back to memory. 54 */ 55 TEE_Result TEE_CacheClean(char *buf, size_t len); 56 TEE_Result TEE_CacheFlush(char *buf, size_t len); 57 TEE_Result TEE_CacheInvalidate(char *buf, size_t len); 58 59 #endif 60