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