Enhance EDKII Browser to support flexible HotKey setting.

[mirror_edk2.git] / ArmRealViewEbPkg / SecForPei / Sec.c

/** @file\r
  C Entry point for the SEC. First C code after the reset vector.\r
\r
  Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
  \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
\r
#include <PiPei.h>\r
#include <Ppi/TemporaryRamSupport.h>\r
#include <Library/PcdLib.h>\r
#include <Library/IoLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <ArmEb/ArmEb.h>\r
\r
EFI_STATUS\r
EFIAPI\r
SecTemporaryRamSupport (\r
  IN CONST EFI_PEI_SERVICES   **PeiServices,\r
  IN EFI_PHYSICAL_ADDRESS     TemporaryMemoryBase,\r
  IN EFI_PHYSICAL_ADDRESS     PermanentMemoryBase,\r
  IN UINTN                    CopySize\r
  );\r
\r
VOID\r
SecSwitchStack (\r
  INTN    StackDelta\r
  );\r
\r
TEMPORARY_RAM_SUPPORT_PPI   mSecTemporaryRamSupportPpi = {SecTemporaryRamSupport};\r
\r
EFI_PEI_PPI_DESCRIPTOR      gSecPpiTable[] = {\r
  {\r
    EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,\r
    &gEfiTemporaryRamSupportPpiGuid,\r
    &mSecTemporaryRamSupportPpi\r
  }\r
};\r
\r
\r
VOID\r
EFIAPI \r
_ModuleEntryPoint(\r
  VOID\r
  );\r
\r
VOID\r
CEntryPoint (\r
  IN  UINTN                     TempRamBase,\r
  IN  UINTN                     TempRamSize,\r
  IN  EFI_PEI_CORE_ENTRY_POINT  PeiCoreEntryPoint\r
  )\r
{\r
  EFI_SEC_PEI_HAND_OFF        SecCoreData;\r
\r
  // Turn off remapping NOR to 0. We can will now see DRAM in low memory (although it is not yet initialized)\r
  // note: this makes SEC platform-specific for the EB platform\r
  MmioOr32 (0x10001000 ,BIT8); //EB_SP810_CTRL_BASE\r
  \r
  //\r
  // Bind this information into the SEC hand-off state\r
  // Note: this must be in sync with the stuff in the asm file\r
  // Note also:  HOBs (pei temp ram) MUST be above stack\r
  //\r
  SecCoreData.DataSize               = sizeof(EFI_SEC_PEI_HAND_OFF);\r
  SecCoreData.BootFirmwareVolumeBase = (VOID *)(UINTN)PcdGet32 (PcdEmbeddedFdBaseAddress);\r
  SecCoreData.BootFirmwareVolumeSize = PcdGet32 (PcdEmbeddedFdSize);\r
  SecCoreData.TemporaryRamBase       = (VOID*)(UINTN)TempRamBase; \r
  SecCoreData.TemporaryRamSize       = TempRamSize;\r
  SecCoreData.PeiTemporaryRamBase    = (VOID *)(UINTN)(SecCoreData.TemporaryRamBase + (SecCoreData.TemporaryRamSize / 2));\r
  SecCoreData.PeiTemporaryRamSize    = SecCoreData.TemporaryRamSize / 2;\r
  SecCoreData.StackBase              = (VOID *)(UINTN)(SecCoreData.TemporaryRamBase);\r
  SecCoreData.StackSize              = SecCoreData.TemporaryRamSize - SecCoreData.PeiTemporaryRamSize;\r
  \r
  // jump to pei core entry point\r
  (PeiCoreEntryPoint)(&SecCoreData, (VOID *)&gSecPpiTable);\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
SecTemporaryRamSupport (\r
  IN CONST EFI_PEI_SERVICES   **PeiServices,\r
  IN EFI_PHYSICAL_ADDRESS     TemporaryMemoryBase,\r
  IN EFI_PHYSICAL_ADDRESS     PermanentMemoryBase,\r
  IN UINTN                    CopySize\r
  )\r
{\r
  //\r
  // Migrate the whole temporary memory to permenent memory.\r
  // \r
  CopyMem (\r
    (VOID*)(UINTN)PermanentMemoryBase, \r
    (VOID*)(UINTN)TemporaryMemoryBase, \r
    CopySize\r
    );\r
\r
  SecSwitchStack((UINTN)(PermanentMemoryBase - TemporaryMemoryBase));\r
\r
  //\r
  // We need *not* fix the return address because currently, \r
  // The PeiCore is excuted in flash.\r
  //\r
\r
  //\r
  // Simulate to invalid temporary memory, terminate temporary memory\r
  // \r
  //ZeroMem ((VOID*)(UINTN)TemporaryMemoryBase, CopySize);\r
  \r
  return EFI_SUCCESS;\r
}\r
\r