| Pascal Brand | c639ac8 | 2015-07-02 08:53:34 +0200 | [diff] [blame] | 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 | #include <tee_ta_api.h> |
| 29 | #include <user_ta_header_defines.h> |
| 30 | #include <ta_sims.h> |
| 31 | |
| 32 | /* |
| 33 | * Trusted Application Entry Points |
| 34 | */ |
| 35 | |
| 36 | /* Called each time a new instance is created */ |
| 37 | TEE_Result TA_CreateEntryPoint(void) |
| 38 | { |
| 39 | return TEE_SUCCESS; |
| 40 | } |
| 41 | |
| 42 | /* Called each time an instance is destroyed */ |
| 43 | void TA_DestroyEntryPoint(void) |
| 44 | { |
| 45 | } |
| 46 | |
| 47 | /* Called each time a session is opened */ |
| 48 | TEE_Result TA_OpenSessionEntryPoint(uint32_t nParamTypes, TEE_Param pParams[4], |
| 49 | void **ppSessionContext) |
| 50 | { |
| 51 | (void)nParamTypes; |
| 52 | (void)pParams; |
| 53 | return sims_open_session(ppSessionContext); |
| 54 | } |
| 55 | |
| 56 | /* Called each time a session is closed */ |
| 57 | void TA_CloseSessionEntryPoint(void *pSessionContext) |
| 58 | { |
| 59 | sims_close_session(pSessionContext); |
| 60 | } |
| 61 | |
| 62 | /* Called when a command is invoked */ |
| 63 | TEE_Result TA_InvokeCommandEntryPoint(void *pSessionContext, |
| 64 | uint32_t nCommandID, uint32_t nParamTypes, |
| 65 | TEE_Param pParams[4]) |
| 66 | { |
| 67 | switch (nCommandID) { |
| 68 | case TA_SIMS_CMD_READ: |
| 69 | return sims_read(nParamTypes, pParams); |
| 70 | |
| 71 | case TA_SIMS_CMD_WRITE: |
| 72 | return sims_write(nParamTypes, pParams); |
| 73 | |
| 74 | case TA_SIMS_CMD_GET_COUNTER: |
| 75 | return sims_get_counter(pSessionContext, nParamTypes, pParams); |
| 76 | |
| 77 | default: |
| 78 | return TEE_ERROR_BAD_PARAMETERS; |
| 79 | } |
| 80 | } |