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 "PCR_Event_fp.h" 9 10 UINT16 PCR_Event_Out_Marshal(PCR_Event_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 += TPML_DIGEST_VALUES_Marshal(&source->digests, buffer, size); 28 // Compute actual parameter_size. Don't add result to total_size. 29 if (tag == TPM_ST_SESSIONS) { 30 parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE); 31 UINT32_Marshal(¶meter_size, ¶meter_size_location, 32 ¶meter_size_size); 33 } 34 return total_size; 35 } 36 37 TPM_RC PCR_Event_In_Unmarshal(PCR_Event_In* target, 38 TPM_HANDLE request_handles[], 39 BYTE** buffer, 40 INT32* size) { 41 TPM_RC result = TPM_RC_SUCCESS; 42 // Get request handles from request_handles array. 43 target->pcrHandle = request_handles[0]; 44 // Unmarshal request parameters. 45 result = TPM2B_EVENT_Unmarshal(&target->eventData, buffer, size); 46 if (result != TPM_RC_SUCCESS) { 47 return result; 48 } 49 if ((result == TPM_RC_SUCCESS) && *size) { 50 result = TPM_RC_SIZE; 51 } 52 return result; 53 } 54 55 TPM_RC Exec_PCR_Event(TPMI_ST_COMMAND_TAG tag, 56 BYTE** request_parameter_buffer, 57 INT32* request_parameter_buffer_size, 58 TPM_HANDLE request_handles[], 59 UINT32* response_handle_buffer_size, 60 UINT32* response_parameter_buffer_size) { 61 TPM_RC result = TPM_RC_SUCCESS; 62 PCR_Event_In in; 63 PCR_Event_Out out; 64 #ifdef TPM_CC_PCR_Event 65 BYTE* response_buffer; 66 INT32 response_buffer_size; 67 UINT16 bytes_marshalled; 68 UINT16 num_response_handles = 0; 69 #endif 70 *response_handle_buffer_size = 0; 71 *response_parameter_buffer_size = 0; 72 // Unmarshal request parameters to input structure. 73 result = 74 PCR_Event_In_Unmarshal(&in, request_handles, request_parameter_buffer, 75 request_parameter_buffer_size); 76 if (result != TPM_RC_SUCCESS) { 77 return result; 78 } 79 // Execute command. 80 result = TPM2_PCR_Event(&in, &out); 81 if (result != TPM_RC_SUCCESS) { 82 return result; 83 } 84 // Marshal output structure to global response buffer. 85 #ifdef TPM_CC_PCR_Event 86 response_buffer = MemoryGetResponseBuffer(TPM_CC_PCR_Event) + 10; 87 response_buffer_size = MAX_RESPONSE_SIZE - 10; 88 bytes_marshalled = 89 PCR_Event_Out_Marshal(&out, tag, &response_buffer, &response_buffer_size); 90 *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE); 91 *response_parameter_buffer_size = 92 bytes_marshalled - *response_handle_buffer_size; 93 return TPM_RC_SUCCESS; 94 #endif 95 return TPM_RC_COMMAND_CODE; 96 } 97
