diff options
Diffstat (limited to 'Silicon/BroxtonSoC/BroxtonSiPkg/NorthCluster/Library/DxeSmbiosMemoryLib/DxeSmbiosMemoryLib.c')
| -rw-r--r-- | Silicon/BroxtonSoC/BroxtonSiPkg/NorthCluster/Library/DxeSmbiosMemoryLib/DxeSmbiosMemoryLib.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/NorthCluster/Library/DxeSmbiosMemoryLib/DxeSmbiosMemoryLib.c b/Silicon/BroxtonSoC/BroxtonSiPkg/NorthCluster/Library/DxeSmbiosMemoryLib/DxeSmbiosMemoryLib.c new file mode 100644 index 0000000000..41330db082 --- /dev/null +++ b/Silicon/BroxtonSoC/BroxtonSiPkg/NorthCluster/Library/DxeSmbiosMemoryLib/DxeSmbiosMemoryLib.c @@ -0,0 +1,139 @@ +/** @file
+ This driver will determine memory configuration information from the chipset
+ and memory and create SMBIOS memory structures appropriately.
+
+ Copyright (c) 2015 - 2016, 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.
+
+**/
+
+#include "SmbiosMemory.h"
+
+/**
+ This library will determine memory configuration information from the chipset
+ and memory and report the memory configuration info to the DataHub.
+
+ @param[in] ImageHandle Handle for the image of this driver.
+ @param[in] SystemTable Pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS If the data is successfully reported.
+ @retval EFI_NOT_FOUND If the HOB list could not be located.
+
+**/
+EFI_STATUS
+EFIAPI
+SmbiosMemory (
+ )
+{
+ EFI_STATUS Status;
+
+ Status = InstallSmbiosType16 ();
+ ASSERT_EFI_ERROR (Status);
+
+ Status = InstallSmbiosType17 ();
+ ASSERT_EFI_ERROR (Status);
+
+ Status = InstallSmbiosType19 ();
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
+
+
+/**
+ Add an SMBIOS table entry using EFI_SMBIOS_PROTOCOL.
+ Create the full table record using the formatted section plus each non-null string, plus the terminating (double) null.
+
+ @param[in] Entry The data for the fixed portion of the SMBIOS entry.
+ The format of the data 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.
+ @param[in] TableStrings Set of string pointers to append onto the full record.
+ If TableStrings is null, no strings are appended. Null strings
+ are skipped.
+ @param[in] NumberOfStrings Number of TableStrings to append, null strings are skipped.
+ @param[out] SmbiosHandle A unique handle will be assigned to the SMBIOS record.
+
+ @retval EFI_SUCCESS Table was added.
+ @retval EFI_OUT_OF_RESOURCES Table was not added due to lack of system resources.
+
+**/
+EFI_STATUS
+AddSmbiosEntry (
+ IN EFI_SMBIOS_TABLE_HEADER *Entry,
+ IN CHAR8 **TableStrings,
+ IN UINT8 NumberOfStrings,
+ OUT EFI_SMBIOS_HANDLE *SmbiosHandle
+ )
+{
+ EFI_STATUS Status;
+ EFI_SMBIOS_TABLE_HEADER *Record;
+ CHAR8 *StringPtr;
+ UINTN Size;
+ UINTN i;
+
+ //
+ // Calculate the total size of the full record
+ //
+ Size = Entry->Length;
+
+ //
+ // Add the size of each non-null string
+ //
+ if (TableStrings != NULL) {
+ for (i = 0; i < NumberOfStrings; i++) {
+ if (TableStrings[i] != NULL) {
+ Size += AsciiStrSize (TableStrings[i]);
+ }
+ }
+ }
+
+ //
+ // Add the size of the terminating double null
+ // If there were any strings added, just add the second null
+ //
+ if (Size == Entry->Length) {
+ Size += 2;
+ } else {
+ Size += 1;
+ }
+
+ //
+ // Initialize the full record
+ //
+ Record = (EFI_SMBIOS_TABLE_HEADER *) AllocateZeroPool (Size);
+ if (Record == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ CopyMem (Record, Entry, Entry->Length);
+
+ //
+ // Copy the strings to the end of the record
+ //
+ StringPtr = ((CHAR8 *) Record) + Entry->Length;
+ Size = Size - Entry->Length;
+ if (TableStrings != NULL) {
+ for (i = 0; i < NumberOfStrings; i++) {
+ if (TableStrings[i] != NULL) {
+ AsciiStrCpyS (StringPtr, Size, TableStrings[i]);
+ StringPtr += AsciiStrSize (TableStrings[i]);
+ Size = Size - AsciiStrSize (TableStrings[i]);
+ }
+ }
+ }
+
+ *SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
+ Status = mSmbios->Add (mSmbios, NULL, SmbiosHandle, Record);
+
+ FreePool (Record);
+ return Status;
+}
+
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