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 "ContextLoad_fp.h"
9 
ContextLoad_Out_Marshal(ContextLoad_Out * source,TPMI_ST_COMMAND_TAG tag,BYTE ** buffer,INT32 * size)10 UINT16 ContextLoad_Out_Marshal(ContextLoad_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 += TPMI_DH_CONTEXT_Marshal(&source->loadedHandle, 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   // 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(&parameter_size, &parameter_size_location,
32                    &parameter_size_size);
33   }
34   return total_size;
35 }
36 
ContextLoad_In_Unmarshal(ContextLoad_In * target,TPM_HANDLE request_handles[],BYTE ** buffer,INT32 * size)37 TPM_RC ContextLoad_In_Unmarshal(ContextLoad_In* target,
38                                 TPM_HANDLE request_handles[],
39                                 BYTE** buffer,
40                                 INT32* size) {
41   TPM_RC result = TPM_RC_SUCCESS;
42   // Unmarshal request parameters.
43   result = TPMS_CONTEXT_Unmarshal(&target->context, buffer, size);
44   if (result != TPM_RC_SUCCESS) {
45     return result;
46   }
47   if ((result == TPM_RC_SUCCESS) && *size) {
48     result = TPM_RC_SIZE;
49   }
50   return result;
51 }
52 
Exec_ContextLoad(TPMI_ST_COMMAND_TAG tag,BYTE ** request_parameter_buffer,INT32 * request_parameter_buffer_size,TPM_HANDLE request_handles[],UINT32 * response_handle_buffer_size,UINT32 * response_parameter_buffer_size)53 TPM_RC Exec_ContextLoad(TPMI_ST_COMMAND_TAG tag,
54                         BYTE** request_parameter_buffer,
55                         INT32* request_parameter_buffer_size,
56                         TPM_HANDLE request_handles[],
57                         UINT32* response_handle_buffer_size,
58                         UINT32* response_parameter_buffer_size) {
59   TPM_RC result = TPM_RC_SUCCESS;
60   ContextLoad_In in;
61   ContextLoad_Out out;
62 #ifdef TPM_CC_ContextLoad
63   BYTE* response_buffer;
64   INT32 response_buffer_size;
65   UINT16 bytes_marshalled;
66   UINT16 num_response_handles = 1;
67 #endif
68   *response_handle_buffer_size = 0;
69   *response_parameter_buffer_size = 0;
70   // Unmarshal request parameters to input structure.
71   result =
72       ContextLoad_In_Unmarshal(&in, request_handles, request_parameter_buffer,
73                                request_parameter_buffer_size);
74   if (result != TPM_RC_SUCCESS) {
75     return result;
76   }
77   // Execute command.
78   result = TPM2_ContextLoad(&in, &out);
79   if (result != TPM_RC_SUCCESS) {
80     return result;
81   }
82 // Marshal output structure to global response buffer.
83 #ifdef TPM_CC_ContextLoad
84   response_buffer = MemoryGetResponseBuffer(TPM_CC_ContextLoad) + 10;
85   response_buffer_size = MAX_RESPONSE_SIZE - 10;
86   bytes_marshalled = ContextLoad_Out_Marshal(&out, tag, &response_buffer,
87                                              &response_buffer_size);
88   *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
89   *response_parameter_buffer_size =
90       bytes_marshalled - *response_handle_buffer_size;
91   return TPM_RC_SUCCESS;
92 #endif
93   return TPM_RC_COMMAND_CODE;
94 }
95