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_Allocate_fp.h"
9
PCR_Allocate_Out_Marshal(PCR_Allocate_Out * source,TPMI_ST_COMMAND_TAG tag,BYTE ** buffer,INT32 * size)10 UINT16 PCR_Allocate_Out_Marshal(PCR_Allocate_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 += TPMI_YES_NO_Marshal(&source->allocationSuccess, buffer, size);
28 total_size += UINT32_Marshal(&source->maxPCR, buffer, size);
29 total_size += UINT32_Marshal(&source->sizeNeeded, buffer, size);
30 total_size += UINT32_Marshal(&source->sizeAvailable, buffer, size);
31 // Compute actual parameter_size. Don't add result to total_size.
32 if (tag == TPM_ST_SESSIONS) {
33 parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE);
34 UINT32_Marshal(¶meter_size, ¶meter_size_location,
35 ¶meter_size_size);
36 }
37 return total_size;
38 }
39
PCR_Allocate_In_Unmarshal(PCR_Allocate_In * target,TPM_HANDLE request_handles[],BYTE ** buffer,INT32 * size)40 TPM_RC PCR_Allocate_In_Unmarshal(PCR_Allocate_In* target,
41 TPM_HANDLE request_handles[],
42 BYTE** buffer,
43 INT32* size) {
44 TPM_RC result = TPM_RC_SUCCESS;
45 // Get request handles from request_handles array.
46 target->authHandle = request_handles[0];
47 // Unmarshal request parameters.
48 result = TPML_PCR_SELECTION_Unmarshal(&target->pcrAllocation, buffer, size);
49 if (result != TPM_RC_SUCCESS) {
50 return result;
51 }
52 if ((result == TPM_RC_SUCCESS) && *size) {
53 result = TPM_RC_SIZE;
54 }
55 return result;
56 }
57
Exec_PCR_Allocate(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)58 TPM_RC Exec_PCR_Allocate(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 PCR_Allocate_In in;
66 PCR_Allocate_Out out;
67 #ifdef TPM_CC_PCR_Allocate
68 BYTE* response_buffer;
69 INT32 response_buffer_size;
70 UINT16 bytes_marshalled;
71 UINT16 num_response_handles = 0;
72 #endif
73 *response_handle_buffer_size = 0;
74 *response_parameter_buffer_size = 0;
75 // Unmarshal request parameters to input structure.
76 result =
77 PCR_Allocate_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_PCR_Allocate(&in, &out);
84 if (result != TPM_RC_SUCCESS) {
85 return result;
86 }
87 // Marshal output structure to global response buffer.
88 #ifdef TPM_CC_PCR_Allocate
89 response_buffer = MemoryGetResponseBuffer(TPM_CC_PCR_Allocate) + 10;
90 response_buffer_size = MAX_RESPONSE_SIZE - 10;
91 bytes_marshalled = PCR_Allocate_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