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 "ReadClock_fp.h"
9 
ReadClock_Out_Marshal(ReadClock_Out * source,TPMI_ST_COMMAND_TAG tag,BYTE ** buffer,INT32 * size)10 UINT16 ReadClock_Out_Marshal(ReadClock_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(&parameter_size, buffer, size);
25   }
26   // Marshal response parameters.
27   total_size += TPMS_TIME_INFO_Marshal(&source->currentTime, 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(&parameter_size, &parameter_size_location,
32                    &parameter_size_size);
33   }
34   return total_size;
35 }
36 
Exec_ReadClock(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)37 TPM_RC Exec_ReadClock(TPMI_ST_COMMAND_TAG tag,
38                       BYTE** request_parameter_buffer,
39                       INT32* request_parameter_buffer_size,
40                       TPM_HANDLE request_handles[],
41                       UINT32* response_handle_buffer_size,
42                       UINT32* response_parameter_buffer_size) {
43   TPM_RC result = TPM_RC_SUCCESS;
44   ReadClock_Out out;
45 #ifdef TPM_CC_ReadClock
46   BYTE* response_buffer;
47   INT32 response_buffer_size;
48   UINT16 bytes_marshalled;
49   UINT16 num_response_handles = 0;
50 #endif
51   *response_handle_buffer_size = 0;
52   *response_parameter_buffer_size = 0;
53   // Execute command.
54   result = TPM2_ReadClock(&out);
55   if (result != TPM_RC_SUCCESS) {
56     return result;
57   }
58 // Marshal output structure containing response handles and parameters to
59 // response buffer.
60 #ifdef TPM_CC_ReadClock
61   response_buffer = MemoryGetResponseBuffer(TPM_CC_ReadClock) + 10;
62   response_buffer_size = MAX_RESPONSE_SIZE - 10;
63   bytes_marshalled =
64       ReadClock_Out_Marshal(&out, tag, &response_buffer, &response_buffer_size);
65   *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
66   *response_parameter_buffer_size =
67       bytes_marshalled - *response_handle_buffer_size;
68   return TPM_RC_SUCCESS;
69 #endif
70   return TPM_RC_COMMAND_CODE;
71 }
72