Report correct MediaPresentSupported value from Nt32 SNP mode data.

[mirror_edk2.git] / ArmEbPkg / Sec / 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
\r
#include <Library/DebugLib.h>\r
#include <Library/PrePiLib.h>\r
#include <Library/PcdLib.h>\r
#include <Library/IoLib.h>\r
#include <Library/ArmLib.h>\r
#include <Library/PeCoffGetEntryPointLib.h>\r
#include <Library/DebugAgentLib.h>\r
\r
#include <Ppi/GuidedSectionExtraction.h>\r
#include <Guid/LzmaDecompress.h>\r
\r
#include <ArmEb/ArmEb.h>\r
\r
#include "LzmaDecompress.h"\r
\r
VOID\r
EFIAPI \r
_ModuleEntryPoint(\r
  VOID\r
  );\r
\r
CHAR8 *\r
DeCygwinPathIfNeeded (\r
  IN  CHAR8   *Name\r
  );\r
\r
RETURN_STATUS\r
EFIAPI\r
SerialPortInitialize (\r
  VOID\r
  );\r
  \r
  \r
VOID\r
UartInit (\r
  VOID\r
  )\r
{\r
  // SEC phase needs to run library constructors by hand.\r
  // This assumes we are linked agains the SerialLib\r
  // In non SEC modules the init call is in autogenerated code.\r
  SerialPortInitialize ();\r
}\r
\r
VOID\r
TimerInit (\r
  VOID\r
  )\r
{\r
  // configure SP810 to use 1MHz clock and disable\r
  MmioAndThenOr32 (EB_SP810_CTRL_BASE + SP810_SYS_CTRL_REG, ~SP810_SYS_CTRL_TIMER2_EN, SP810_SYS_CTRL_TIMER2_TIMCLK);\r
  // Enable\r
  MmioOr32 (EB_SP810_CTRL_BASE + SP810_SYS_CTRL_REG, SP810_SYS_CTRL_TIMER2_EN);\r
\r
  // configure timer 2 for one shot operation, 32 bits, no prescaler, and interrupt disabled\r
  MmioOr32 (EB_SP804_TIMER2_BASE + SP804_TIMER_CONTROL_REG, SP804_TIMER_CTRL_ONESHOT | SP804_TIMER_CTRL_32BIT | SP804_PRESCALE_DIV_1);\r
\r
  // preload the timer count register\r
  MmioWrite32 (EB_SP804_TIMER2_BASE + SP804_TIMER_LOAD_REG, 1);\r
\r
  // enable the timer\r
  MmioOr32 (EB_SP804_TIMER2_BASE + SP804_TIMER_CONTROL_REG, SP804_TIMER_CTRL_ENABLE);\r
}\r
\r
\r
VOID\r
InitCache (\r
  IN  UINT32  MemoryBase,\r
  IN  UINT32  MemoryLength\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
ExtractGuidedSectionLibConstructor (\r
  VOID\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
LzmaDecompressLibConstructor (\r
  VOID\r
  );\r
\r
\r
VOID\r
CEntryPoint (\r
  IN  VOID  *MemoryBase,\r
  IN  UINTN MemorySize,\r
  IN  VOID  *StackBase,\r
  IN  UINTN StackSize\r
  )\r
{\r
  VOID *HobBase;\r
\r
  // Build a basic HOB list\r
  HobBase      = (VOID *)(UINTN)(FixedPcdGet32(PcdEmbeddedFdBaseAddress) + FixedPcdGet32(PcdEmbeddedFdSize));\r
  CreateHobList (MemoryBase, MemorySize, HobBase, StackBase);\r
\r
\r
  // Enable program flow prediction, if supported.\r
  ArmEnableBranchPrediction ();\r
\r
  // Initialize CPU cache\r
  InitCache ((UINT32)MemoryBase, (UINT32)MemorySize);\r
\r
  // Add memory allocation hob for relocated FD\r
  BuildMemoryAllocationHob (FixedPcdGet32(PcdEmbeddedFdBaseAddress), FixedPcdGet32(PcdEmbeddedFdSize), EfiBootServicesData);\r
\r
  // Add the FVs to the hob list\r
  BuildFvHob (PcdGet32(PcdFlashFvMainBase), PcdGet32(PcdFlashFvMainSize));\r
\r
  // Start talking\r
  UartInit ();\r
\r
  InitializeDebugAgent (DEBUG_AGENT_INIT_PREMEM_SEC, NULL);\r
  SaveAndSetDebugTimerInterrupt (TRUE);\r
\r
  DEBUG ((EFI_D_ERROR, "UART Enabled\n"));\r
\r
  // Start up a free running timer so that the timer lib will work\r
  TimerInit ();\r
\r
  // SEC phase needs to run library constructors by hand.\r
  ExtractGuidedSectionLibConstructor ();\r
  LzmaDecompressLibConstructor ();\r
\r
  // Build HOBs to pass up our version of stuff the DXE Core needs to save space\r
  BuildPeCoffLoaderHob ();\r
  BuildExtractSectionHob (\r
    &gLzmaCustomDecompressGuid,\r
    LzmaGuidedSectionGetInfo,\r
    LzmaGuidedSectionExtraction\r
    );\r
\r
  // Assume the FV that contains the SEC (our code) also contains a compressed FV.\r
  DecompressFirstFv ();\r
\r
  // Load the DXE Core and transfer control to it\r
  LoadDxeCoreFromFv (NULL, 0);\r
  \r
  // DXE Core should always load and never return\r
  ASSERT (FALSE);\r
}\r
\r