ArmPlatformPkg/PrePeiCore/MainUniCore.c

   1 /** @file
   2 *
   3 *  Copyright (c) 2011-2012, ARM Limited. All rights reserved.
   4 *
   5 *  SPDX-License-Identifier: BSD-2-Clause-Patent
   6 *
   7 **/
   8
   9 #include "PrePeiCore.h"
  10
  11 VOID
  12 EFIAPI
  13 SecondaryMain (
  14   IN UINTN MpId
  15   )
  16 {
  17   ASSERT(FALSE);
  18 }
  19
  20 VOID
  21 EFIAPI
  22 PrimaryMain (
  23   IN  EFI_PEI_CORE_ENTRY_POINT  PeiCoreEntryPoint
  24   )
  25 {
  26   EFI_SEC_PEI_HAND_OFF        SecCoreData;
  27   UINTN                       PpiListSize;
  28   EFI_PEI_PPI_DESCRIPTOR      *PpiList;
  29   UINTN                       TemporaryRamBase;
  30   UINTN                       TemporaryRamSize;
  31
  32   CreatePpiList (&PpiListSize, &PpiList);
  33
  34   // Adjust the Temporary Ram as the new Ppi List (Common + Platform Ppi Lists) is created at
  35   // the base of the primary core stack
  36   PpiListSize = ALIGN_VALUE(PpiListSize, CPU_STACK_ALIGNMENT);
  37   TemporaryRamBase = (UINTN)PcdGet64 (PcdCPUCoresStackBase) + PpiListSize;
  38   TemporaryRamSize = (UINTN)PcdGet32 (PcdCPUCorePrimaryStackSize) - PpiListSize;
  39
  40   //
  41   // Bind this information into the SEC hand-off state
  42   // Note: this must be in sync with the stuff in the asm file
  43   // Note also:  HOBs (pei temp ram) MUST be above stack
  44   //
  45   SecCoreData.DataSize               = sizeof(EFI_SEC_PEI_HAND_OFF);
  46   SecCoreData.BootFirmwareVolumeBase = (VOID *)(UINTN)PcdGet64 (PcdFvBaseAddress);
  47   SecCoreData.BootFirmwareVolumeSize = PcdGet32 (PcdFvSize);
  48   SecCoreData.TemporaryRamBase       = (VOID *)TemporaryRamBase; // We run on the primary core (and so we use the first stack)
  49   SecCoreData.TemporaryRamSize       = TemporaryRamSize;
  50   SecCoreData.PeiTemporaryRamBase    = SecCoreData.TemporaryRamBase;
  51   SecCoreData.PeiTemporaryRamSize    = ALIGN_VALUE (SecCoreData.TemporaryRamSize / 2, CPU_STACK_ALIGNMENT);
  52   SecCoreData.StackBase              = (VOID *)((UINTN)SecCoreData.TemporaryRamBase + SecCoreData.PeiTemporaryRamSize);
  53   SecCoreData.StackSize              = (TemporaryRamBase + TemporaryRamSize) - (UINTN)SecCoreData.StackBase;
  54
  55   // Jump to PEI core entry point
  56   (PeiCoreEntryPoint)(&SecCoreData, PpiList);
  57 }