ArmPlatformPkg/PrePeiCore/MainUniCore.c

   1 /** @file
   2 *
   3 *  Copyright (c) 2011, ARM Limited. All rights reserved.
   4 *
   5 *  This program and the accompanying materials
   6 *  are licensed and made available under the terms and conditions of the BSD License
   7 *  which accompanies this distribution.  The full text of the license may be found at
   8 *  http://opensource.org/licenses/bsd-license.php
   9 *
  10 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 *
  13 **/
  14
  15 #include <Library/DebugLib.h>
  16 #include <Library/PcdLib.h>
  17 #include <Chipset/ArmV7.h>
  18
  19 #include "PrePeiCore.h"
  20
  21 extern EFI_PEI_PPI_DESCRIPTOR *gSecPpiTable;
  22
  23 VOID
  24 EFIAPI
  25 SecondaryMain (
  26   IN UINTN CoreId
  27   )
  28 {
  29   ASSERT(FALSE);
  30 }
  31
  32 VOID
  33 EFIAPI
  34 PrimaryMain (
  35   IN  EFI_PEI_CORE_ENTRY_POINT  PeiCoreEntryPoint
  36   )
  37 {
  38   EFI_SEC_PEI_HAND_OFF        SecCoreData;
  39
  40
  41   //
  42   // Bind this information into the SEC hand-off state
  43   // Note: this must be in sync with the stuff in the asm file
  44   // Note also:  HOBs (pei temp ram) MUST be above stack
  45   //
  46   SecCoreData.DataSize               = sizeof(EFI_SEC_PEI_HAND_OFF);
  47   SecCoreData.BootFirmwareVolumeBase = (VOID *)(UINTN)PcdGet32 (PcdNormalFvBaseAddress);
  48   SecCoreData.BootFirmwareVolumeSize = PcdGet32 (PcdNormalFvSize);
  49   SecCoreData.TemporaryRamBase       = (VOID *)(UINTN)PcdGet32 (PcdCPUCoresNonSecStackBase); // We consider we run on the primary core (and so we use the first stack)
  50   SecCoreData.TemporaryRamSize       = (UINTN)(UINTN)PcdGet32 (PcdCPUCoresNonSecStackSize);
  51   SecCoreData.PeiTemporaryRamBase    = (VOID *)((UINTN)(SecCoreData.TemporaryRamBase) + (SecCoreData.TemporaryRamSize / 2));
  52   SecCoreData.PeiTemporaryRamSize    = SecCoreData.TemporaryRamSize / 2;
  53   SecCoreData.StackBase              = SecCoreData.TemporaryRamBase;
  54   SecCoreData.StackSize              = SecCoreData.TemporaryRamSize - SecCoreData.PeiTemporaryRamSize;
  55
  56   // jump to pei core entry point
  57   (PeiCoreEntryPoint)(&SecCoreData, (VOID *)&gSecPpiTable);
  58 }