Marshal_LoadExternal.c revision a4ed3aa64664a1241ea982d685db744caaae3ffa 
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 "LoadExternal_fp.h"
9
10UINT16 LoadExternal_Out_Marshal(LoadExternal_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 = 1;
19  // Marshal response handles.
20  total_size += TPM_HANDLE_Marshal(&source->objectHandle, buffer, size);
21  // Add parameter_size=0 to indicate size of the parameter area. Will be
22  // replaced later by computed parameter_size.
23  if (tag == TPM_ST_SESSIONS) {
24    parameter_size_location = *buffer;
25    // Don't add to total_size, but increment *buffer and decrement *size.
26    UINT32_Marshal(&parameter_size, buffer, size);
27  }
28  // Marshal response parameters.
29  total_size += TPM2B_NAME_Marshal(&source->name, buffer, size);
30  // Compute actual parameter_size. Don't add result to total_size.
31  if (tag == TPM_ST_SESSIONS) {
32    parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE);
33    UINT32_Marshal(&parameter_size, &parameter_size_location,
34                   &parameter_size_size);
35  }
36  return total_size;
37}
38
39TPM_RC LoadExternal_In_Unmarshal(LoadExternal_In* target,
40                                 TPM_HANDLE request_handles[],
41                                 BYTE** buffer,
42                                 INT32* size) {
43  TPM_RC result = TPM_RC_SUCCESS;
44  // Get request handles from request_handles array.
45  target->hierarchy = request_handles[0];
46  // Unmarshal request parameters.
47  result = TPM2B_SENSITIVE_Unmarshal(&target->inPrivate, buffer, size);
48  if (result != TPM_RC_SUCCESS) {
49    return result;
50  }
51  result = TPM2B_PUBLIC_Unmarshal(&target->inPublic, buffer, size);
52  if (result != TPM_RC_SUCCESS) {
53    return result;
54  }
55  return result;
56}
57
58TPM_RC Exec_LoadExternal(TPMI_ST_COMMAND_TAG tag,
59                         BYTE** request_parameter_buffer,
60                         INT32* request_parameter_buffer_size,
61                         TPM_HANDLE request_handles[],
62                         UINT32* response_handle_buffer_size,
63                         UINT32* response_parameter_buffer_size) {
64  TPM_RC result = TPM_RC_SUCCESS;
65  LoadExternal_In in;
66  LoadExternal_Out out;
67#ifdef TPM_CC_LoadExternal
68  BYTE* response_buffer;
69  INT32 response_buffer_size;
70  UINT16 bytes_marshalled;
71  UINT16 num_response_handles = 1;
72#endif
73  *response_handle_buffer_size = 0;
74  *response_parameter_buffer_size = 0;
75  // Unmarshal request parameters to input structure.
76  result =
77      LoadExternal_In_Unmarshal(&in, request_handles, request_parameter_buffer,
78                                request_parameter_buffer_size);
79  if (result != TPM_RC_SUCCESS) {
80    return result;
81  }
82  // Execute command.
83  result = TPM2_LoadExternal(&in, &out);
84  if (result != TPM_RC_SUCCESS) {
85    return result;
86  }
87// Marshal output structure to global response buffer.
88#ifdef TPM_CC_LoadExternal
89  response_buffer = MemoryGetResponseBuffer(TPM_CC_LoadExternal) + 10;
90  response_buffer_size = MAX_RESPONSE_SIZE - 10;
91  bytes_marshalled = LoadExternal_Out_Marshal(&out, tag, &response_buffer,
92                                              &response_buffer_size);
93  *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
94  *response_parameter_buffer_size =
95      bytes_marshalled - *response_handle_buffer_size;
96  return TPM_RC_SUCCESS;
97#endif
98  return TPM_RC_COMMAND_CODE;
99}
100