Jocelyn Bohr | a4ed3aa | 2015-07-30 10:44:16 -0700 | [diff] [blame^] | 1 | // Copyright 2015 The Chromium OS Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // THIS CODE IS GENERATED - DO NOT MODIFY! |
| 6 | |
| 7 | #include "MemoryLib_fp.h" |
| 8 | #include "Hash_fp.h" |
| 9 | |
| 10 | UINT16 Hash_Out_Marshal(Hash_Out* source, |
| 11 | TPMI_ST_COMMAND_TAG tag, |
| 12 | BYTE** buffer, |
| 13 | INT32* size) { |
| 14 | UINT16 total_size = 0; |
| 15 | UINT32 parameter_size = 0; |
| 16 | BYTE* parameter_size_location; |
| 17 | INT32 parameter_size_size = sizeof(UINT32); |
| 18 | UINT32 num_response_handles = 0; |
| 19 | // Add parameter_size=0 to indicate size of the parameter area. Will be |
| 20 | // replaced later by computed parameter_size. |
| 21 | if (tag == TPM_ST_SESSIONS) { |
| 22 | parameter_size_location = *buffer; |
| 23 | // Don't add to total_size, but increment *buffer and decrement *size. |
| 24 | UINT32_Marshal(¶meter_size, buffer, size); |
| 25 | } |
| 26 | // Marshal response parameters. |
| 27 | total_size += TPM2B_DIGEST_Marshal(&source->outHash, buffer, size); |
| 28 | total_size += TPMT_TK_HASHCHECK_Marshal(&source->validation, buffer, size); |
| 29 | // Compute actual parameter_size. Don't add result to total_size. |
| 30 | if (tag == TPM_ST_SESSIONS) { |
| 31 | parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE); |
| 32 | UINT32_Marshal(¶meter_size, ¶meter_size_location, |
| 33 | ¶meter_size_size); |
| 34 | } |
| 35 | return total_size; |
| 36 | } |
| 37 | |
| 38 | TPM_RC Hash_In_Unmarshal(Hash_In* target, |
| 39 | TPM_HANDLE request_handles[], |
| 40 | BYTE** buffer, |
| 41 | INT32* size) { |
| 42 | TPM_RC result = TPM_RC_SUCCESS; |
| 43 | // Get request handles from request_handles array. |
| 44 | target->hierarchy = request_handles[0]; |
| 45 | // Unmarshal request parameters. |
| 46 | result = TPM2B_MAX_BUFFER_Unmarshal(&target->data, buffer, size); |
| 47 | if (result != TPM_RC_SUCCESS) { |
| 48 | return result; |
| 49 | } |
| 50 | result = TPMI_ALG_HASH_Unmarshal(&target->hashAlg, buffer, size, FALSE); |
| 51 | if (result != TPM_RC_SUCCESS) { |
| 52 | return result; |
| 53 | } |
| 54 | return result; |
| 55 | } |
| 56 | |
| 57 | TPM_RC Exec_Hash(TPMI_ST_COMMAND_TAG tag, |
| 58 | BYTE** request_parameter_buffer, |
| 59 | INT32* request_parameter_buffer_size, |
| 60 | TPM_HANDLE request_handles[], |
| 61 | UINT32* response_handle_buffer_size, |
| 62 | UINT32* response_parameter_buffer_size) { |
| 63 | TPM_RC result = TPM_RC_SUCCESS; |
| 64 | Hash_In in; |
| 65 | Hash_Out out; |
| 66 | #ifdef TPM_CC_Hash |
| 67 | BYTE* response_buffer; |
| 68 | INT32 response_buffer_size; |
| 69 | UINT16 bytes_marshalled; |
| 70 | UINT16 num_response_handles = 0; |
| 71 | #endif |
| 72 | *response_handle_buffer_size = 0; |
| 73 | *response_parameter_buffer_size = 0; |
| 74 | // Unmarshal request parameters to input structure. |
| 75 | result = Hash_In_Unmarshal(&in, request_handles, request_parameter_buffer, |
| 76 | request_parameter_buffer_size); |
| 77 | if (result != TPM_RC_SUCCESS) { |
| 78 | return result; |
| 79 | } |
| 80 | // Execute command. |
| 81 | result = TPM2_Hash(&in, &out); |
| 82 | if (result != TPM_RC_SUCCESS) { |
| 83 | return result; |
| 84 | } |
| 85 | // Marshal output structure to global response buffer. |
| 86 | #ifdef TPM_CC_Hash |
| 87 | response_buffer = MemoryGetResponseBuffer(TPM_CC_Hash) + 10; |
| 88 | response_buffer_size = MAX_RESPONSE_SIZE - 10; |
| 89 | bytes_marshalled = |
| 90 | Hash_Out_Marshal(&out, tag, &response_buffer, &response_buffer_size); |
| 91 | *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE); |
| 92 | *response_parameter_buffer_size = |
| 93 | bytes_marshalled - *response_handle_buffer_size; |
| 94 | return TPM_RC_SUCCESS; |
| 95 | #endif |
| 96 | return TPM_RC_COMMAND_CODE; |
| 97 | } |