1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/**@file
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
MiscSubclassDriverEntryPoint.c
Abstract:
This driver parses the mMiscSubclassDataTable structure and reports
any generated data to the DataHub.
**/
#include "MiscSubclassDriver.h"
EFI_HII_HANDLE mHiiHandle;
/**
This is the standard EFI driver point that detects whether there is a
MemoryConfigurationData Variable and, if so, reports memory configuration info
to the DataHub.
@param ImageHandle Handle for the image of this driver
@param SystemTable Pointer to the EFI System Table
@return EFI_SUCCESS if the data is successfully reported
@return EFI_NOT_FOUND if the HOB list could not be located.
**/
EFI_STATUS
LogMemorySmbiosRecord (
VOID
)
{
EFI_STATUS Status;
UINT64 TotalMemorySize;
UINT8 NumSlots;
SMBIOS_TABLE_TYPE19 *Type19Record;
EFI_SMBIOS_HANDLE MemArrayMappedAddrSmbiosHandle;
EFI_SMBIOS_PROTOCOL *Smbios;
CHAR16 *Nt32MemString;
Status = gBS->LocateProtocol (&gEfiSmbiosProtocolGuid, NULL, (VOID**)&Smbios);
ASSERT_EFI_ERROR (Status);
NumSlots = 1;
//
// Process Memory String in form size!size ...
// So 64!64 is 128 MB
//
Nt32MemString = PcdGetPtr (PcdWinNtMemorySize);
for (TotalMemorySize = 0; *Nt32MemString != '\0';) {
TotalMemorySize += StrDecimalToUint64 (Nt32MemString);
while (*Nt32MemString != '\0') {
if (*Nt32MemString == '!') {
Nt32MemString++;
break;
}
Nt32MemString++;
}
}
//
// Convert Total Memory Size to based on KiloByte
//
TotalMemorySize = LShiftU64 (TotalMemorySize, 20);
//
// Generate Memory Array Mapped Address info
//
Type19Record = AllocateZeroPool(sizeof (SMBIOS_TABLE_TYPE19) + 2);
Type19Record->Hdr.Type = EFI_SMBIOS_TYPE_MEMORY_ARRAY_MAPPED_ADDRESS;
Type19Record->Hdr.Length = sizeof(SMBIOS_TABLE_TYPE19);
Type19Record->Hdr.Handle = 0;
Type19Record->StartingAddress = 0;
Type19Record->EndingAddress = (UINT32)RShiftU64(TotalMemorySize, 10) - 1;
Type19Record->MemoryArrayHandle = 0;
Type19Record->PartitionWidth = (UINT8)(NumSlots);
//
// Generate Memory Array Mapped Address info (TYPE 19)
//
Status = AddSmbiosRecord (Smbios, &MemArrayMappedAddrSmbiosHandle, (EFI_SMBIOS_TABLE_HEADER*) Type19Record);
FreePool(Type19Record);
ASSERT_EFI_ERROR (Status);
return Status;
}
EFI_STATUS
EFIAPI
MiscSubclassDriverEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Description:
Standard EFI driver point. This driver parses the mMiscSubclassDataTable
structure and reports any generated data to the DataHub.
Arguments:
ImageHandle
Handle for the image of this driver
SystemTable
Pointer to the EFI System Table
Returns:
EFI_SUCCESS
The data was successfully reported to the Data Hub.
--*/
{
UINTN Index;
EFI_STATUS EfiStatus;
EFI_SMBIOS_PROTOCOL *Smbios;
EfiStatus = gBS->LocateProtocol(&gEfiSmbiosProtocolGuid, NULL, (VOID**)&Smbios);
if (EFI_ERROR(EfiStatus)) {
DEBUG((EFI_D_ERROR, "Could not locate SMBIOS protocol. %r\n", EfiStatus));
return EfiStatus;
}
mHiiHandle = HiiAddPackages (
&gEfiCallerIdGuid,
NULL,
MiscSubclassStrings,
NULL
);
ASSERT (mHiiHandle != NULL);
for (Index = 0; Index < mMiscSubclassDataTableEntries; ++Index) {
//
// If the entry have a function pointer, just log the data.
//
if (mMiscSubclassDataTable[Index].Function != NULL) {
EfiStatus = (*mMiscSubclassDataTable[Index].Function)(
mMiscSubclassDataTable[Index].RecordData,
Smbios
);
if (EFI_ERROR(EfiStatus)) {
DEBUG((EFI_D_ERROR, "Misc smbios store error. Index=%d, ReturnStatus=%r\n", Index, EfiStatus));
return EfiStatus;
}
}
}
//
// Log Memory SMBIOS Record
//
EfiStatus = LogMemorySmbiosRecord();
return EfiStatus;
}
/**
Add an SMBIOS record.
@param Smbios The EFI_SMBIOS_PROTOCOL instance.
@param SmbiosHandle A unique handle will be assigned to the SMBIOS record.
@param Record The data for the fixed portion of the SMBIOS record. The format of the record is
determined by EFI_SMBIOS_TABLE_HEADER.Type. The size of the formatted area is defined
by EFI_SMBIOS_TABLE_HEADER.Length and either followed by a double-null (0x0000) or
a set of null terminated strings and a null.
@retval EFI_SUCCESS Record was added.
@retval EFI_OUT_OF_RESOURCES Record was not added due to lack of system resources.
**/
EFI_STATUS
AddSmbiosRecord (
IN EFI_SMBIOS_PROTOCOL *Smbios,
OUT EFI_SMBIOS_HANDLE *SmbiosHandle,
IN EFI_SMBIOS_TABLE_HEADER *Record
)
{
*SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
return Smbios->Add (
Smbios,
NULL,
SmbiosHandle,
Record
);
}
|
