UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / OvmfPkg / SmbiosPlatformDxe / SmbiosPlatformDxe.c

/** @file\r
  This driver installs SMBIOS information for OVMF\r
\r
  Copyright (c) 2011, Bei Guan <gbtju85@gmail.com>\r
  Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <IndustryStandard/SmBios.h>          // SMBIOS_TABLE_TYPE0\r
#include <Library/BaseLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/DebugLib.h>                 // ASSERT_EFI_ERROR()\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/PcdLib.h>\r
#include <Library/UefiBootServicesTableLib.h> // gBS\r
#include <Protocol/Smbios.h>                  // EFI_SMBIOS_PROTOCOL\r
\r
#include "SmbiosPlatformDxe.h"\r
\r
STATIC CONST SMBIOS_TABLE_TYPE0  mOvmfDefaultType0 = {\r
  // SMBIOS_STRUCTURE Hdr\r
  {\r
    EFI_SMBIOS_TYPE_BIOS_INFORMATION, // UINT8 Type\r
    sizeof (SMBIOS_TABLE_TYPE0),      // UINT8 Length\r
  },\r
  1,      // SMBIOS_TABLE_STRING       Vendor\r
  2,      // SMBIOS_TABLE_STRING       BiosVersion\r
  0xE800, // UINT16                    BiosSegment\r
  3,      // SMBIOS_TABLE_STRING       BiosReleaseDate\r
  0,      // UINT8                     BiosSize\r
  {      // MISC_BIOS_CHARACTERISTICS BiosCharacteristics\r
    0,   // Reserved                                      :2\r
    0,   // Unknown                                       :1\r
    1,   // BiosCharacteristicsNotSupported               :1\r
    // Remaining BiosCharacteristics bits left unset :60\r
  },\r
  {      // BIOSCharacteristicsExtensionBytes[2]\r
    0,   // BiosReserved\r
    0x1C // SystemReserved = VirtualMachineSupported |\r
    //                  UefiSpecificationSupported |\r
    //                  TargetContentDistributionEnabled\r
  },\r
  0,     // UINT8                     SystemBiosMajorRelease\r
  0,     // UINT8                     SystemBiosMinorRelease\r
  0xFF,  // UINT8                     EmbeddedControllerFirmwareMajorRelease\r
  0xFF   // UINT8                     EmbeddedControllerFirmwareMinorRelease\r
};\r
\r
/**\r
  Get SMBIOS record length.\r
\r
  @param  SmbiosTable   SMBIOS pointer.\r
\r
**/\r
UINTN\r
SmbiosTableLength (\r
  IN SMBIOS_STRUCTURE_POINTER  SmbiosTable\r
  )\r
{\r
  CHAR8  *AChar;\r
  UINTN  Length;\r
\r
  AChar = (CHAR8 *)(SmbiosTable.Raw + SmbiosTable.Hdr->Length);\r
\r
  //\r
  // Each structure shall be terminated by a double-null (SMBIOS spec.7.1)\r
  //\r
  while ((*AChar != 0) || (*(AChar + 1) != 0)) {\r
    AChar++;\r
  }\r
\r
  Length = ((UINTN)AChar - (UINTN)SmbiosTable.Raw + 2);\r
\r
  return Length;\r
}\r
\r
/**\r
  Install all structures from the given SMBIOS structures block\r
\r
  @param  TableAddress         SMBIOS tables starting address\r
\r
**/\r
EFI_STATUS\r
InstallAllStructures (\r
  IN UINT8  *TableAddress\r
  )\r
{\r
  EFI_SMBIOS_PROTOCOL       *Smbios;\r
  EFI_STATUS                Status;\r
  SMBIOS_STRUCTURE_POINTER  SmbiosTable;\r
  EFI_SMBIOS_HANDLE         SmbiosHandle;\r
  BOOLEAN                   NeedSmbiosType0;\r
\r
  //\r
  // Find the SMBIOS protocol\r
  //\r
  Status = gBS->LocateProtocol (\r
                  &gEfiSmbiosProtocolGuid,\r
                  NULL,\r
                  (VOID **)&Smbios\r
                  );\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  SmbiosTable.Raw = TableAddress;\r
  if (SmbiosTable.Raw == NULL) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  NeedSmbiosType0 = TRUE;\r
\r
  while (SmbiosTable.Hdr->Type != 127) {\r
    //\r
    // Log the SMBIOS data for this structure\r
    //\r
    SmbiosHandle = SmbiosTable.Hdr->Handle;\r
    Status       = Smbios->Add (\r
                             Smbios,\r
                             NULL,\r
                             &SmbiosHandle,\r
                             (EFI_SMBIOS_TABLE_HEADER *)SmbiosTable.Raw\r
                             );\r
    ASSERT_EFI_ERROR (Status);\r
\r
    if (SmbiosTable.Hdr->Type == 0) {\r
      NeedSmbiosType0 = FALSE;\r
    }\r
\r
    //\r
    // Get the next structure address\r
    //\r
    SmbiosTable.Raw = (UINT8 *)(SmbiosTable.Raw + SmbiosTableLength (SmbiosTable));\r
  }\r
\r
  if (NeedSmbiosType0) {\r
    //\r
    // Add OVMF default Type 0 (BIOS Information) table\r
    //\r
    CHAR16  *VendStr, *VersStr, *DateStr;\r
    UINTN   VendLen, VersLen, DateLen;\r
    CHAR8   *Type0;\r
\r
    VendStr = (CHAR16 *)FixedPcdGetPtr (PcdFirmwareVendor);\r
    VendLen = StrLen (VendStr);\r
    if (VendLen < 3) {\r
      VendStr = L"unknown";\r
      VendLen = StrLen (VendStr);\r
    }\r
\r
    VersStr = (CHAR16 *)FixedPcdGetPtr (PcdFirmwareVersionString);\r
    VersLen = StrLen (VersStr);\r
    if (VersLen < 3) {\r
      VersStr = L"unknown";\r
      VersLen = StrLen (VersStr);\r
    }\r
\r
    DateStr = (CHAR16 *)FixedPcdGetPtr (PcdFirmwareReleaseDateString);\r
    DateLen = StrLen (DateStr);\r
    if (DateLen < 3) {\r
      DateStr = L"unknown";\r
      DateLen = StrLen (DateStr);\r
    }\r
\r
    DEBUG ((DEBUG_INFO, "FirmwareVendor:            \"%s\" (%d chars)\n", VendStr, VendLen));\r
    DEBUG ((DEBUG_INFO, "FirmwareVersionString:     \"%s\" (%d chars)\n", VersStr, VersLen));\r
    DEBUG ((DEBUG_INFO, "FirmwareReleaseDateString: \"%s\" (%d chars)\n", DateStr, DateLen));\r
\r
    Type0 = AllocateZeroPool (sizeof (mOvmfDefaultType0) + VendLen + VersLen + DateLen + 4);\r
    if (Type0 == NULL) {\r
      return EFI_OUT_OF_RESOURCES;\r
    }\r
\r
    CopyMem (Type0, &mOvmfDefaultType0, sizeof (mOvmfDefaultType0));\r
    UnicodeStrToAsciiStrS (VendStr, Type0 + sizeof (mOvmfDefaultType0), VendLen + 1);\r
    UnicodeStrToAsciiStrS (VersStr, Type0 + sizeof (mOvmfDefaultType0) + VendLen + 1, VersLen + 1);\r
    UnicodeStrToAsciiStrS (DateStr, Type0 + sizeof (mOvmfDefaultType0) + VendLen + VersLen + 2, DateLen + 1);\r
\r
    SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;\r
    Status       = Smbios->Add (\r
                             Smbios,\r
                             NULL,\r
                             &SmbiosHandle,\r
                             (EFI_SMBIOS_TABLE_HEADER *)Type0\r
                             );\r
    ASSERT_EFI_ERROR (Status);\r
\r
    FreePool (Type0);\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r