[mirror_edk2.git] / EdkCompatibilityPkg / Compatibility / BootScriptSaveOnS3SaveStateThunk / ScriptSave.c

/** @file\r
  Implementation for S3 Boot Script Save thunk driver.\r
  This thunk driver consumes PI S3SaveState protocol to produce framework S3BootScriptSave Protocol \r
  \r
  Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>\r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
#include "ScriptSave.h"\r
\r
EFI_HANDLE                    mHandle;\r
EFI_BOOT_SCRIPT_SAVE_PROTOCOL mS3ScriptSave = {\r
                                  BootScriptWrite,\r
                                  BootScriptCloseTable\r
                                 };\r
EFI_S3_SAVE_STATE_PROTOCOL    *mS3SaveState;\r
\r
/**\r
  Wrapper for a thunk  to transition from long mode to compatibility mode to execute 32-bit code and then transit back to\r
  long mode.\r
  \r
  @param  Function     The 32bit code entry to be executed.\r
  @param  Param1       The first parameter to pass to 32bit code\r
  @param  Param2       The second parameter to pass to 32bit code\r
  @retval EFI_SUCCESS  Execute 32bit code successfully.\r
  @retval other        Something wrong when execute the 32bit code \r
              \r
**/  \r
EFI_STATUS\r
Execute32BitCode (\r
  IN UINT64      Function,\r
  IN UINT64      Param1,\r
  IN UINT64      Param2\r
  );\r
\r
/**\r
  A stub to convert framework boot script dispatch to PI boot script dispatch.\r
  \r
  @param  ImageHandle  It should be is NULL.\r
  @param  Context      The first parameter to pass to 32bit code\r
\r
  @return dispatch value.\r
              \r
**/  \r
EFI_STATUS\r
EFIAPI\r
FrameworkBootScriptDispatchStub (\r
  IN EFI_HANDLE ImageHandle,\r
  IN VOID       *Context\r
  )\r
{\r
  EFI_STATUS                Status;\r
  DISPATCH_ENTRYPOINT_FUNC  EntryFunc;\r
  VOID                      *PeiServices;\r
  IA32_DESCRIPTOR           Idtr;\r
\r
  DEBUG ((EFI_D_ERROR, "FrameworkBootScriptDispatchStub - 0x%08x\n", (UINTN)Context));\r
\r
  EntryFunc = (DISPATCH_ENTRYPOINT_FUNC) (UINTN) (Context);\r
  AsmReadIdtr (&Idtr);\r
  PeiServices = (VOID *)(UINTN)(*(UINT32 *)(Idtr.Base - sizeof (UINT32)));\r
\r
  //\r
  // ECP assumes first parameter is NULL, and second parameter is PeiServices.\r
  //\r
  Status = Execute32BitCode ((UINT64)(UINTN)EntryFunc, 0, (UINT64)(UINTN)PeiServices);\r
\r
  return Status;\r
}\r
\r
/**\r
  Internal function to add IO write opcode to the table.\r
\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
BootScriptIoWrite (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  EFI_BOOT_SCRIPT_WIDTH Width;\r
  UINT64                Address;\r
  UINTN                 Count;\r
  UINT8                 *Buffer;\r
\r
  Width       = VA_ARG (Marker, EFI_BOOT_SCRIPT_WIDTH);\r
  Address     = VA_ARG (Marker, UINT64);\r
  Count       = VA_ARG (Marker, UINTN);\r
  Buffer      = VA_ARG (Marker, UINT8 *);\r
  \r
  return mS3SaveState->Write (\r
                        mS3SaveState,\r
                        EFI_BOOT_SCRIPT_IO_WRITE_OPCODE,\r
                        Width, \r
                        Address, \r
                        Count, \r
                        Buffer\r
                        );\r
}\r
/**\r
  Internal function to add IO read/write opcode to the table.\r
\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
BootScriptIoReadWrite (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  EFI_BOOT_SCRIPT_WIDTH Width;\r
  UINT64                Address;\r
  UINT8                 *Data;\r
  UINT8                 *DataMask;\r
 \r
  Width       = VA_ARG (Marker, EFI_BOOT_SCRIPT_WIDTH);\r
  Address     = VA_ARG (Marker, UINT64);\r
  Data        = VA_ARG (Marker, UINT8 *);\r
  DataMask    = VA_ARG (Marker, UINT8 *);\r
  \r
   return mS3SaveState->Write (\r
                         mS3SaveState,\r
                         EFI_BOOT_SCRIPT_IO_READ_WRITE_OPCODE,\r
                         Width, \r
                         Address, \r
                         Data, \r
                         DataMask\r
                         );\r
}\r
\r
/**\r
  Internal function to add memory write opcode to the table.\r
\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
BootScriptMemWrite (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  EFI_BOOT_SCRIPT_WIDTH Width;\r
  UINT64                Address;\r
  UINTN                 Count;\r
  UINT8                 *Buffer;\r
 \r
  Width       = VA_ARG (Marker, EFI_BOOT_SCRIPT_WIDTH);\r
  Address     = VA_ARG (Marker, UINT64);\r
  Count       = VA_ARG (Marker, UINTN);\r
  Buffer      = VA_ARG (Marker, UINT8 *);\r
\r
  return mS3SaveState->Write (\r
                        mS3SaveState,\r
                        EFI_BOOT_SCRIPT_MEM_WRITE_OPCODE,\r
                        Width, \r
                        Address, \r
                        Count, \r
                        Buffer\r
                        );\r
}\r
\r
/**\r
  Internal function to add memory read/write opcode to the table.\r
\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
BootScriptMemReadWrite (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  EFI_BOOT_SCRIPT_WIDTH Width;\r
  UINT64                Address;\r
  UINT8                 *Data;\r
  UINT8                 *DataMask;\r
  \r
  Width       = VA_ARG (Marker, EFI_BOOT_SCRIPT_WIDTH);\r
  Address     = VA_ARG (Marker, UINT64);\r
  Data        = VA_ARG (Marker, UINT8 *);\r
  DataMask    = VA_ARG (Marker, UINT8 *);\r
\r
 return mS3SaveState->Write (\r
                        mS3SaveState,\r
                        EFI_BOOT_SCRIPT_MEM_READ_WRITE_OPCODE,\r
                        Width, \r
                        Address, \r
                        Data, \r
                        DataMask\r
                        );\r
}\r
\r
/**\r
  Internal function to add PciCfg write opcode to the table.\r
\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
BootScriptPciCfgWrite (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  EFI_BOOT_SCRIPT_WIDTH Width;\r
  UINT64                Address;\r
  UINTN                 Count;\r
  UINT8                 *Buffer;\r
\r
  Width       = VA_ARG (Marker, EFI_BOOT_SCRIPT_WIDTH);\r
  Address     = VA_ARG (Marker, UINT64);\r
  Count       = VA_ARG (Marker, UINTN);\r
  Buffer      = VA_ARG (Marker, UINT8 *);\r
\r
  return mS3SaveState->Write (\r
                        mS3SaveState,\r
                        EFI_BOOT_SCRIPT_PCI_CONFIG_WRITE_OPCODE,\r
                        Width, \r
                        Address, \r
                        Count, \r
                        Buffer\r
                        );\r
}\r
\r
/**\r
  Internal function to PciCfg read/write opcode to the table.\r
\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
BootScriptPciCfgReadWrite (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  EFI_BOOT_SCRIPT_WIDTH Width;\r
  UINT64                Address;\r
  UINT8                 *Data;\r
  UINT8                 *DataMask;\r
\r
  Width       = VA_ARG (Marker, EFI_BOOT_SCRIPT_WIDTH);\r
  Address     = VA_ARG (Marker, UINT64);\r
  Data        = VA_ARG (Marker, UINT8 *);\r
  DataMask    = VA_ARG (Marker, UINT8 *);\r
\r
  return mS3SaveState->Write (\r
                          mS3SaveState,\r
                          EFI_BOOT_SCRIPT_PCI_CONFIG_READ_WRITE_OPCODE,\r
                          Width,\r
                          Address,\r
                          Data,\r
                          DataMask\r
                         );\r
}\r
/**\r
  Internal function to add PciCfg2 write opcode to the table.\r
\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
BootScriptPciCfg2Write (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  EFI_BOOT_SCRIPT_WIDTH Width;\r
  UINT64                Address;\r
  UINTN                 Count;\r
  UINT8                 *Buffer;\r
  UINT16                Segment;\r
\r
  Width       = VA_ARG (Marker, EFI_BOOT_SCRIPT_WIDTH);\r
  Address     = VA_ARG (Marker, UINT64);\r
  Count       = VA_ARG (Marker, UINTN);\r
  Buffer      = VA_ARG (Marker, UINT8 *);\r
  Segment     = VA_ARG (Marker, UINT16);\r
\r
  return mS3SaveState->Write (\r
                          mS3SaveState,\r
                          EFI_BOOT_SCRIPT_PCI_CONFIG2_WRITE_OPCODE,\r
                          Width, \r
                          Segment, \r
                          Address, \r
                          Count, \r
                          Buffer\r
                         );\r
}\r
\r
/**\r
  Internal function to PciCfg2 read/write opcode to the table.\r
\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
BootScriptPciCfg2ReadWrite (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  EFI_BOOT_SCRIPT_WIDTH Width;\r
  UINT16                Segment;\r
  UINT64                Address;\r
  UINT8                 *Data;\r
  UINT8                 *DataMask;\r
 \r
  Width       = VA_ARG (Marker, EFI_BOOT_SCRIPT_WIDTH);\r
  Address     = VA_ARG (Marker, UINT64);\r
  Segment     = VA_ARG (Marker, UINT16);\r
  Data        = VA_ARG (Marker, UINT8 *);\r
  DataMask    = VA_ARG (Marker, UINT8 *);\r
 \r
  return mS3SaveState->Write (\r
                          mS3SaveState,\r
                          EFI_BOOT_SCRIPT_PCI_CONFIG2_READ_WRITE_OPCODE,\r
                          Width, \r
                          Segment,\r
                          Address,\r
                          Data,\r
                          DataMask\r
                          );\r
}\r
/**\r
  Internal function to add smbus excute opcode to the table.\r
\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
BootScriptSmbusExecute (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  EFI_SMBUS_DEVICE_ADDRESS  SlaveAddress;\r
  EFI_SMBUS_DEVICE_COMMAND  Command;\r
  EFI_SMBUS_OPERATION       Operation;\r
  BOOLEAN                   PecCheck;\r
  VOID                     *Buffer;\r
  UINTN                    *DataSize;\r
  \r
  SlaveAddress.SmbusDeviceAddress = VA_ARG (Marker, UINTN);\r
  Command                         = VA_ARG (Marker, EFI_SMBUS_DEVICE_COMMAND);\r
  Operation                       = VA_ARG (Marker, EFI_SMBUS_OPERATION);\r
  PecCheck                        = VA_ARG (Marker, BOOLEAN);\r
  DataSize                        = VA_ARG (Marker, UINTN *);    \r
  Buffer                          = VA_ARG (Marker, VOID *);\r
 \r
  return mS3SaveState->Write (\r
                          mS3SaveState,\r
                          EFI_BOOT_SCRIPT_SMBUS_EXECUTE_OPCODE,\r
                          SlaveAddress,\r
                          Command, \r
                          Operation, \r
                          PecCheck,\r
                          DataSize, \r
                          Buffer\r
                         );\r
}\r
/**\r
  Internal function to add stall opcode to the table.\r
\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
BootScriptStall (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  UINT32                Duration;\r
\r
  Duration    = VA_ARG (Marker, UINT32);\r
\r
  return mS3SaveState->Write (\r
                          mS3SaveState,\r
                          EFI_BOOT_SCRIPT_STALL_OPCODE,\r
                          Duration\r
                         );\r
}\r
\r
/**\r
  Internal function to add Save jmp address according to DISPATCH_OPCODE. \r
  We ignore "Context" parameter\r
\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
BootScriptDispatch (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  VOID        *EntryPoint;\r
\r
  EntryPoint = (VOID*)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);\r
  return mS3SaveState->Write (\r
                          mS3SaveState,\r
                          EFI_BOOT_SCRIPT_DISPATCH_OPCODE,\r
                          EntryPoint\r
                         );\r
}\r
\r
/**\r
  Internal function to add Save jmp address according to DISPATCH_OPCODE. \r
  We ignore "Context" parameter.\r
  We need create thunk stub to convert PEI entrypoint (used in Framework version)\r
  to DXE entrypoint (defined in PI spec).\r
\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
FrameworkBootScriptDispatch (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  VOID           *EntryPoint;\r
  VOID           *Context;\r
\r
  EntryPoint = (VOID*)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);\r
\r
  //\r
  // Register callback\r
  //\r
  Context    = EntryPoint;\r
  EntryPoint = (VOID *)(UINTN)FrameworkBootScriptDispatchStub;\r
  return mS3SaveState->Write (\r
                         mS3SaveState,\r
                         EFI_BOOT_SCRIPT_DISPATCH_2_OPCODE,\r
                         EntryPoint,\r
                         Context\r
                         );\r
}\r
\r
/**\r
  Internal function to add memory pool operation to the table. \r
 \r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
BootScriptMemPoll (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  EFI_BOOT_SCRIPT_WIDTH Width;\r
  UINT64                Address;\r
  UINT8                 *BitMask;\r
  UINT8                 *BitValue;\r
  UINT64                Duration;\r
  UINT64                LoopTimes;\r
  UINT64                Delay;\r
\r
  Width       = VA_ARG (Marker, EFI_BOOT_SCRIPT_WIDTH);\r
  Address     = VA_ARG (Marker, UINT64);\r
  BitMask     = VA_ARG (Marker, UINT8 *);\r
  BitValue    = VA_ARG (Marker, UINT8 *);\r
  Duration    = (UINT64)VA_ARG (Marker, UINT64);\r
  LoopTimes   = (UINT64)VA_ARG (Marker, UINT64);\r
  Delay       = MultU64x64 (DivU64x32(Duration, 100), LoopTimes);\r
  \r
  return mS3SaveState->Write (\r
                          mS3SaveState,\r
                          EFI_BOOT_SCRIPT_MEM_POLL_OPCODE,\r
                          Width, \r
                          Address, \r
                          BitMask, \r
                          BitValue, \r
                          Delay\r
                          );\r
}\r
\r
/**\r
  Internal function to add Save jmp address according to DISPATCH_OPCODE2. \r
  The "Context" parameter is not ignored.\r
\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enough resource to do operation.\r
  @retval EFI_SUCCESS           Opcode is added.\r
\r
**/\r
EFI_STATUS\r
BootScriptDispatch2 (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  VOID                  *EntryPoint;\r
  VOID                  *Context;  \r
\r
  EntryPoint = (VOID*)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);\r
  Context    = (VOID*)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);\r
\r
 return mS3SaveState->Write (\r
                          mS3SaveState,\r
                          EFI_BOOT_SCRIPT_DISPATCH_2_OPCODE,\r
                          EntryPoint, \r
                          Context\r
                         );\r
}\r
/**\r
  Internal function to add the opcode link node to the link\r
  list.\r
  @param  Marker                The variable argument list to get the opcode\r
                                and associated attributes.\r
\r
  @retval EFI_OUT_OF_RESOURCES  Not enought resource to complete the operations.\r
  @retval EFI_SUCCESS           The opcode entry is added to the link list\r
                                successfully.\r
**/\r
EFI_STATUS\r
BootScriptInformation (\r
  IN VA_LIST                       Marker\r
  )\r
{\r
  UINT32                InformationLength;\r
  EFI_PHYSICAL_ADDRESS  Information;  \r
\r
  InformationLength = VA_ARG (Marker, UINT32);\r
  Information = VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);\r
  \r
  return mS3SaveState->Write (\r
                          mS3SaveState,\r
                          EFI_BOOT_SCRIPT_INFORMATION_OPCODE,\r
                          InformationLength, \r
                          (VOID*)(UINTN)Information\r
                         );\r
}\r
\r
/**\r
  Adds a record into a specified Framework boot script table.\r
\r
  This function is used to store a boot script record into a given boot\r
  script table. If the table specified by TableName is nonexistent in the \r
  system, a new table will automatically be created and then the script record \r
  will be added into the new table. A boot script table can add new script records\r
  until EFI_BOOT_SCRIPT_SAVE_PROTOCOL.CloseTable() is called. Currently, the only \r
  meaningful table name is EFI_ACPI_S3_RESUME_SCRIPT_TABLE. This function is\r
  responsible for allocating necessary memory for the script.\r
\r
  This function has a variable parameter list. The exact parameter list depends on \r
  the OpCode that is passed into the function. If an unsupported OpCode or illegal \r
  parameter list is passed in, this function returns EFI_INVALID_PARAMETER.\r
  If there are not enough resources available for storing more scripts, this function returns\r
  EFI_OUT_OF_RESOURCES.\r
\r
  @param  This                  A pointer to the EFI_BOOT_SCRIPT_SAVE_PROTOCOL instance.\r
  @param  TableName             Name of the script table. Currently, the only meaningful value is\r
                                EFI_ACPI_S3_RESUME_SCRIPT_TABLE.\r
  @param  OpCode                The operation code (opcode) number.\r
  @param  ...                   Argument list that is specific to each opcode. \r
\r
  @retval EFI_SUCCESS           The operation succeeded. A record was added into the\r
                                specified script table.\r
  @retval EFI_INVALID_PARAMETER The parameter is illegal or the given boot script is not supported.\r
                                If the opcode is unknow or not supported because of the PCD \r
                                Feature Flags.\r
  @retval EFI_OUT_OF_RESOURCES  There is insufficient memory to store the boot script.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
BootScriptWrite (\r
  IN EFI_BOOT_SCRIPT_SAVE_PROTOCOL    *This,\r
  IN UINT16                           TableName,\r
  IN UINT16                           OpCode,\r
  ...\r
  )\r
{\r
  EFI_STATUS                Status;\r
  VA_LIST                   Marker;\r
  \r
  if (TableName != FRAMEWORK_EFI_ACPI_S3_RESUME_SCRIPT_TABLE) {\r
    //\r
    // Only S3 boot script is supported for now\r
    //\r
    return EFI_OUT_OF_RESOURCES;\r
  }\r
  //\r
  // Build script according to opcode\r
  //\r
  switch (OpCode) {\r
\r
  case EFI_BOOT_SCRIPT_IO_WRITE_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = BootScriptIoWrite (Marker);\r
    VA_END (Marker);\r
    break;\r
\r
  case EFI_BOOT_SCRIPT_IO_READ_WRITE_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = BootScriptIoReadWrite (Marker);\r
    VA_END (Marker);\r
    break;\r
\r
  case EFI_BOOT_SCRIPT_MEM_WRITE_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = BootScriptMemWrite (Marker);\r
    VA_END (Marker); \r
    break;\r
\r
  case EFI_BOOT_SCRIPT_MEM_READ_WRITE_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = BootScriptMemReadWrite (Marker);\r
    VA_END (Marker);\r
    break;\r
\r
  case EFI_BOOT_SCRIPT_PCI_CONFIG_WRITE_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = BootScriptPciCfgWrite (Marker);\r
    VA_END (Marker);\r
    break;\r
\r
  case EFI_BOOT_SCRIPT_PCI_CONFIG_READ_WRITE_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = BootScriptPciCfgReadWrite (Marker);\r
    VA_END (Marker);\r
    break;\r
\r
  case EFI_BOOT_SCRIPT_SMBUS_EXECUTE_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = BootScriptSmbusExecute (Marker);\r
    VA_END (Marker);\r
    break;\r
\r
  case EFI_BOOT_SCRIPT_STALL_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = BootScriptStall (Marker);\r
    VA_END (Marker);\r
  \r
    break;\r
\r
  case EFI_BOOT_SCRIPT_DISPATCH_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = FrameworkBootScriptDispatch (Marker);\r
    VA_END (Marker);\r
    break;\r
\r
  case FRAMEWORK_EFI_BOOT_SCRIPT_DISPATCH_2_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = BootScriptDispatch2 (Marker);\r
    VA_END (Marker);\r
    break;\r
\r
  case EFI_BOOT_SCRIPT_INFORMATION_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = BootScriptInformation (Marker);\r
    VA_END (Marker);\r
    break;\r
\r
  case FRAMEWORK_EFI_BOOT_SCRIPT_MEM_POLL_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = BootScriptMemPoll (Marker);\r
    VA_END (Marker);\r
    break;\r
\r
  case EFI_BOOT_SCRIPT_PCI_CONFIG2_WRITE_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = BootScriptPciCfg2Write (Marker);\r
    VA_END (Marker);\r
    break;\r
\r
  case EFI_BOOT_SCRIPT_PCI_CONFIG2_READ_WRITE_OPCODE:\r
    VA_START (Marker, OpCode);\r
    Status = BootScriptPciCfg2ReadWrite (Marker);\r
    VA_END (Marker);\r
    break;\r
\r
  default:\r
    Status = EFI_INVALID_PARAMETER;\r
    break;\r
  }\r
\r
  return Status;\r
}\r
\r
/**\r
  Closes the specified script table.\r
\r
  This function closes the specified boot script table and returns the base address \r
  of the table. It allocates a new pool to duplicate all the boot scripts in the specified \r
  table. Once this function is called, the specified table will be destroyed after it is \r
  copied into the allocated pool. As a result, any attempts to add a script record into a \r
  closed table will cause a new table to be created. The base address of the allocated pool \r
  will be returned in Address. After using the boot script table, the caller is responsible \r
  for freeing the pool that is allocated by this function. If the boot script table,\r
  such as EFI_ACPI_S3_RESUME_SCRIPT_TABLE, is required to be stored in a nonperturbed\r
  memory region, the caller should copy the table into the nonperturbed memory region by itself.\r
\r
  @param  This                  A pointer to the EFI_BOOT_SCRIPT_SAVE_PROTOCOL instance.\r
  @param  TableName             Name of the script table. Currently, the only meaningful value is\r
                                 EFI_ACPI_S3_RESUME_SCRIPT_TABLE.\r
  @param  Address               A pointer to the physical address where the table begins. \r
                               \r
  @retval EFI_SUCCESS           The table was successfully returned.\r
  @retval EFI_NOT_FOUND         The specified table was not created previously.\r
  @retval EFI_OUT_OF_RESOURCE   Memory is insufficient to hold the reorganized boot script table.\r
  @retval EFI_UNSUPPORTED       the table type is not EFI_ACPI_S3_RESUME_SCRIPT_TABLE\r
  \r
**/\r
EFI_STATUS\r
EFIAPI\r
BootScriptCloseTable (\r
  IN EFI_BOOT_SCRIPT_SAVE_PROTOCOL    *This,\r
  IN UINT16                           TableName,\r
  OUT EFI_PHYSICAL_ADDRESS            *Address\r
  )\r
{ \r
  if (TableName != FRAMEWORK_EFI_ACPI_S3_RESUME_SCRIPT_TABLE) {\r
    //\r
    // Only S3 boot script is supported for now\r
    //\r
    return EFI_NOT_FOUND;\r
  }\r
  //\r
  // Here the close table is not implemented. \r
  //  \r
 \r
  return EFI_UNSUPPORTED;\r
}\r
\r
/**\r
  This routine is entry point of ScriptSave driver.\r
\r
  @param  ImageHandle           Handle for this drivers loaded image protocol.\r
  @param  SystemTable           EFI system table.\r
\r
  @retval EFI_OUT_OF_RESOURCES  No enough resource\r
  @retval EFI_SUCCESS           Succesfully installed the ScriptSave driver.\r
  @retval other                 Errors occured.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
InitializeScriptSaveOnS3SaveState (\r
  IN EFI_HANDLE           ImageHandle,\r
  IN EFI_SYSTEM_TABLE     *SystemTable\r
  )\r
{\r
  UINT8                                         *Buffer;\r
  UINTN                                         BufferSize;\r
  VOID                                          *FfsBuffer;\r
  PE_COFF_LOADER_IMAGE_CONTEXT                  ImageContext;\r
  BOOT_SCRIPT_THUNK_DATA                        *BootScriptThunkData;\r
  EFI_STATUS                                    Status;\r
  VOID                                          *DevicePath;\r
\r
  //\r
  // Test if the gEfiCallerIdGuid of this image is already installed. if not, the entry\r
  // point is loaded by DXE code which is the first time loaded. or else, it is already\r
  // be reloaded be itself.This is a work-around\r
  //\r
  Status = gBS->LocateProtocol (&gEfiCallerIdGuid, NULL, &DevicePath);\r
  if (EFI_ERROR (Status)) {\r
    //\r
    // This is the first-time loaded by DXE core. reload itself to NVS mem\r
    //\r
    //\r
    // A workarouond: Here we install a dummy handle\r
    //\r
    Status = gBS->InstallProtocolInterface (\r
                    &ImageHandle,\r
                    &gEfiCallerIdGuid,\r
                    EFI_NATIVE_INTERFACE,\r
                    DevicePath\r
                    );\r
\r
    Status = GetSectionFromAnyFv  (\r
               &gEfiCallerIdGuid,\r
               EFI_SECTION_PE32,\r
               0,\r
               (VOID **) &Buffer,\r
               &BufferSize\r
               );\r
    ImageContext.Handle    = Buffer;\r
    ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory;\r
    //\r
    // Get information about the image being loaded\r
    //\r
    Status = PeCoffLoaderGetImageInfo (&ImageContext);\r
    if (EFI_ERROR (Status)) {\r
      return Status;\r
    }\r
    Status = gBS->AllocatePool (\r
                    EfiACPIMemoryNVS,\r
                    BufferSize + ImageContext.SectionAlignment,\r
                    &FfsBuffer\r
                    );\r
    if (EFI_ERROR (Status)) {\r
      return EFI_OUT_OF_RESOURCES;\r
    }\r
    ImageContext.ImageAddress = (PHYSICAL_ADDRESS)(UINTN)FfsBuffer;\r
    //\r
    // Align buffer on section boundry\r
    //\r
    ImageContext.ImageAddress += ImageContext.SectionAlignment - 1;\r
    ImageContext.ImageAddress &= ~(ImageContext.SectionAlignment - 1);\r
    //\r
    // Load the image to our new buffer\r
    //\r
    Status = PeCoffLoaderLoadImage (&ImageContext);\r
    if (EFI_ERROR (Status)) {\r
      gBS->FreePool (FfsBuffer);\r
      return Status;\r
    }\r
\r
    //\r
    // Relocate the image in our new buffer\r
    //\r
    Status = PeCoffLoaderRelocateImage (&ImageContext);\r
\r
    if (EFI_ERROR (Status)) {\r
      PeCoffLoaderUnloadImage (&ImageContext);\r
      gBS->FreePool (FfsBuffer);\r
      return Status;\r
    }\r
    //\r
    // Flush the instruction cache so the image data is written before we execute it\r
    //\r
    InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);\r
    Status = ((EFI_IMAGE_ENTRY_POINT)(UINTN)(ImageContext.EntryPoint)) ((EFI_HANDLE)(UINTN)(ImageContext.ImageAddress), SystemTable);\r
    if (EFI_ERROR (Status)) {\r
      gBS->FreePool (FfsBuffer);\r
      return Status;\r
    }\r
    //\r
    // Additional step for BootScriptThunk integrity\r
    //\r
\r
    //\r
    // Allocate BootScriptThunkData\r
    //\r
    BootScriptThunkData = AllocatePool (sizeof (BOOT_SCRIPT_THUNK_DATA));\r
    if (BootScriptThunkData == NULL) {\r
      return EFI_OUT_OF_RESOURCES;\r
    }\r
\r
    BootScriptThunkData->BootScriptThunkBase   = ImageContext.ImageAddress;\r
    BootScriptThunkData->BootScriptThunkLength = ImageContext.ImageSize;\r
    //\r
    // Set BootScriptThunkData\r
    //\r
    PcdSet64 (BootScriptThunkDataPtr, (UINT64)(UINTN)BootScriptThunkData); \r
    return EFI_SUCCESS;\r
  } else {\r
    //\r
    // the entry point is invoked after reloading. following code only run in  ACPI NVS\r
    //\r
\r
    //\r
    // Locate and cache PI S3 Save State Protocol.\r
    //\r
    Status = gBS->LocateProtocol (\r
                    &gEfiS3SaveStateProtocolGuid, \r
                    NULL, \r
                    (VOID **) &mS3SaveState\r
                    );\r
    ASSERT_EFI_ERROR (Status);\r
\r
    return gBS->InstallProtocolInterface (\r
                  &mHandle,\r
                  &gEfiBootScriptSaveProtocolGuid,\r
                  EFI_NATIVE_INTERFACE,\r
                  &mS3ScriptSave\r
                  );\r
  }\r
}\r
\r
\r