audk/ArmPlatformPkg/PrePeiCore/MainUniCore.c

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/** @file
*
* Copyright (c) 2011-2012, ARM Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
**/
#include "PrePeiCore.h"
VOID
EFIAPI
SecondaryMain (
IN UINTN MpId
)
{
ASSERT(FALSE);
}
VOID
EFIAPI
PrimaryMain (
IN EFI_PEI_CORE_ENTRY_POINT PeiCoreEntryPoint
)
{
EFI_SEC_PEI_HAND_OFF SecCoreData;
UINTN PpiListSize;
EFI_PEI_PPI_DESCRIPTOR *PpiList;
UINTN TemporaryRamBase;
UINTN TemporaryRamSize;
CreatePpiList (&PpiListSize, &PpiList);
// Adjust the Temporary Ram as the new Ppi List (Common + Platform Ppi Lists) is created at
// the base of the primary core stack
PpiListSize = ALIGN_VALUE(PpiListSize, CPU_STACK_ALIGNMENT);
TemporaryRamBase = (UINTN)PcdGet64 (PcdCPUCoresStackBase) + PpiListSize;
TemporaryRamSize = (UINTN)PcdGet32 (PcdCPUCorePrimaryStackSize) - PpiListSize;
//
// Bind this information into the SEC hand-off state
// Note: this must be in sync with the stuff in the asm file
// Note also: HOBs (pei temp ram) MUST be above stack
//
SecCoreData.DataSize = sizeof(EFI_SEC_PEI_HAND_OFF);
SecCoreData.BootFirmwareVolumeBase = (VOID *)(UINTN)PcdGet64 (PcdFvBaseAddress);
SecCoreData.BootFirmwareVolumeSize = PcdGet32 (PcdFvSize);
SecCoreData.TemporaryRamBase = (VOID *)TemporaryRamBase; // We run on the primary core (and so we use the first stack)
SecCoreData.TemporaryRamSize = TemporaryRamSize;
SecCoreData.PeiTemporaryRamBase = SecCoreData.TemporaryRamBase;
SecCoreData.PeiTemporaryRamSize = ALIGN_VALUE (SecCoreData.TemporaryRamSize / 2, CPU_STACK_ALIGNMENT);
SecCoreData.StackBase = (VOID *)((UINTN)SecCoreData.TemporaryRamBase + SecCoreData.PeiTemporaryRamSize);
SecCoreData.StackSize = (TemporaryRamBase + TemporaryRamSize) - (UINTN)SecCoreData.StackBase;
// Jump to PEI core entry point
(PeiCoreEntryPoint)(&SecCoreData, PpiList);
}