/** @file
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Smbios type 1.
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Copyright (c) 2018 - 2019, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "SmbiosBasic.h"
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/**
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This function makes boot time changes to the contents of the
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SystemManufacturer (Type 1).
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@retval EFI_SUCCESS All parameters were valid.
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@retval EFI_UNSUPPORTED Unexpected RecordType value.
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@retval EFI_INVALID_PARAMETER Invalid parameter was found.
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**/
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EFI_STATUS
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EFIAPI
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SystemManufacturerFunction(
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IN EFI_SMBIOS_PROTOCOL *Smbios
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)
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{
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EFI_STATUS Status;
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CHAR8 *ManufacturerStr;
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CHAR8 *ProductNameStr;
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CHAR8 *VersionStr;
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CHAR8 *SerialNumberStr;
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CHAR8 *SKUNumberStr;
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CHAR8 *FamilyStr;
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UINTN ManufacturerStrLen;
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UINTN ProductNameStrLen;
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UINTN VersionStrLen;
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UINTN SerialNumberStrLen;
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UINTN SKUNumberStrLen;
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UINTN FamilyStrLen;
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UINTN TableSize;
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SMBIOS_TABLE_TYPE1 *PcdSmbiosRecord;
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SMBIOS_TABLE_TYPE1 *SmbiosRecord;
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EFI_SMBIOS_HANDLE SmbiosHandle;
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UINTN StringOffset;
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PcdSmbiosRecord = PcdGetPtr (PcdSmbiosType1SystemInformation);
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ManufacturerStr = PcdGetPtr (PcdSmbiosType1StringManufacturer);
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ManufacturerStrLen = AsciiStrLen (ManufacturerStr);
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ASSERT (ManufacturerStrLen <= SMBIOS_STRING_MAX_LENGTH);
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ProductNameStr = PcdGetPtr (PcdSmbiosType1StringProductName);
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ProductNameStrLen = AsciiStrLen (ProductNameStr);
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ASSERT (ProductNameStrLen <= SMBIOS_STRING_MAX_LENGTH);
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VersionStr = PcdGetPtr (PcdSmbiosType1StringVersion);
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VersionStrLen = AsciiStrLen (VersionStr);
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ASSERT (VersionStrLen <= SMBIOS_STRING_MAX_LENGTH);
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SerialNumberStr = PcdGetPtr (PcdSmbiosType1StringSerialNumber);
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SerialNumberStrLen = AsciiStrLen (SerialNumberStr);
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ASSERT (SerialNumberStrLen <= SMBIOS_STRING_MAX_LENGTH);
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SKUNumberStr = PcdGetPtr (PcdSmbiosType1StringSKUNumber);
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SKUNumberStrLen = AsciiStrLen (SKUNumberStr);
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ASSERT (SKUNumberStrLen <= SMBIOS_STRING_MAX_LENGTH);
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FamilyStr = PcdGetPtr (PcdSmbiosType1StringFamily);
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FamilyStrLen = AsciiStrLen (FamilyStr);
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ASSERT (FamilyStrLen <= SMBIOS_STRING_MAX_LENGTH);
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//
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// Create table size based on string lengths
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//
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TableSize = sizeof (SMBIOS_TABLE_TYPE1) + ManufacturerStrLen + 1 + ProductNameStrLen + 1 + VersionStrLen + 1 + SerialNumberStrLen + 1 + SKUNumberStrLen + 1 + FamilyStrLen + 1 + 1;
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SmbiosRecord = AllocateZeroPool (TableSize);
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if (SmbiosRecord == NULL) {
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ASSERT_EFI_ERROR (EFI_OUT_OF_RESOURCES);
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return EFI_OUT_OF_RESOURCES;
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}
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CopyMem (SmbiosRecord, PcdSmbiosRecord, sizeof(SMBIOS_TABLE_TYPE1));
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//
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// Fill in Type 1 fields
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//
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SmbiosRecord->Hdr.Type = SMBIOS_TYPE_SYSTEM_INFORMATION;
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SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE1);
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SmbiosRecord->Hdr.Handle = 0;
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//
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// Add strings to bottom of data block
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//
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StringOffset = SmbiosRecord->Hdr.Length;
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CopyMem ((UINT8 *)SmbiosRecord + StringOffset, ManufacturerStr, ManufacturerStrLen);
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StringOffset += ManufacturerStrLen + 1;
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CopyMem ((UINT8 *)SmbiosRecord + StringOffset, ProductNameStr, ProductNameStrLen);
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StringOffset += ProductNameStrLen + 1;
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CopyMem ((UINT8 *)SmbiosRecord + StringOffset, VersionStr, VersionStrLen);
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StringOffset += VersionStrLen + 1;
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CopyMem ((UINT8 *)SmbiosRecord + StringOffset, SerialNumberStr, SerialNumberStrLen);
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StringOffset += SerialNumberStrLen + 1;
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CopyMem ((UINT8 *)SmbiosRecord + StringOffset, SKUNumberStr, SKUNumberStrLen);
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StringOffset += SKUNumberStrLen + 1;
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CopyMem ((UINT8 *)SmbiosRecord + StringOffset, FamilyStr, FamilyStrLen);
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//
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// Now we have got the full smbios record, call smbios protocol to add this record.
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//
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Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);
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FreePool(SmbiosRecord);
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return Status;
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}
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