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 <Chipset/ArmV7.h>
  16
  17 #include "PrePeiCore.h"
  18
  19 extern EFI_PEI_PPI_DESCRIPTOR *gSecPpiTable;
  20
  21 VOID
  22 EFIAPI
  23 SecondaryMain (
  24   IN UINTN MpId
  25   )
  26 {
  27   ASSERT(FALSE);
  28 }
  29
  30 VOID
  31 EFIAPI
  32 PrimaryMain (
  33   IN  EFI_PEI_CORE_ENTRY_POINT  PeiCoreEntryPoint
  34   )
  35 {
  36   EFI_SEC_PEI_HAND_OFF        SecCoreData;
  37
  38
  39   //
  40   // Bind this information into the SEC hand-off state
  41   // Note: this must be in sync with the stuff in the asm file
  42   // Note also:  HOBs (pei temp ram) MUST be above stack
  43   //
  44   SecCoreData.DataSize               = sizeof(EFI_SEC_PEI_HAND_OFF);
  45   SecCoreData.BootFirmwareVolumeBase = (VOID *)(UINTN)PcdGet32 (PcdFvBaseAddress);
  46   SecCoreData.BootFirmwareVolumeSize = PcdGet32 (PcdFvSize);
  47   SecCoreData.TemporaryRamBase       = (VOID *)(UINTN)PcdGet32 (PcdCPUCorePrimaryStackSize); // We consider we run on the primary core (and so we use the first stack)
  48   SecCoreData.TemporaryRamSize       = (UINTN)(UINTN)PcdGet32 (PcdCPUCorePrimaryStackSize);
  49   SecCoreData.PeiTemporaryRamBase    = (VOID *)((UINTN)(SecCoreData.TemporaryRamBase) + (SecCoreData.TemporaryRamSize / 2));
  50   SecCoreData.PeiTemporaryRamSize    = SecCoreData.TemporaryRamSize / 2;
  51   SecCoreData.StackBase              = SecCoreData.TemporaryRamBase;
  52   SecCoreData.StackSize              = SecCoreData.TemporaryRamSize - SecCoreData.PeiTemporaryRamSize;
  53
  54   // jump to pei core entry point
  55   (PeiCoreEntryPoint)(&SecCoreData, (VOID *)&gSecPpiTable);
  56 }