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/*++ @file
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2011, Apple Inc. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "PiPei.h"
#include <Ppi/EmuThunk.h>
#include <Ppi/MemoryDiscovered.h>
#include <Library/DebugLib.h>
#include <Library/PeimEntryPoint.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/HobLib.h>
#include <Library/PeiServicesLib.h>
#include <Library/PeiServicesTablePointerLib.h>
EFI_STATUS
EFIAPI
PeimInitializeAutoScanPei (
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
/*++
Routine Description:
Perform a call-back into the SEC simulator to get a memory value
Arguments:
FfsHeader - General purpose data available to every PEIM
PeiServices - General purpose services available to every PEIM.
Returns:
None
**/
{
EFI_STATUS Status;
EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
EMU_THUNK_PPI *Thunk;
UINT64 MemorySize;
EFI_PHYSICAL_ADDRESS MemoryBase;
UINTN Index;
EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;
DEBUG ((EFI_D_ERROR, "Emu Autoscan PEIM Loaded\n"));
//
// Get the PEI UNIX Autoscan PPI
//
Status = PeiServicesLocatePpi (
&gEmuThunkPpiGuid, // GUID
0, // INSTANCE
&PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR
(VOID **)&Thunk // PPI
);
ASSERT_EFI_ERROR (Status);
Index = 0;
do {
Status = Thunk->MemoryAutoScan (Index, &MemoryBase, &MemorySize);
if (!EFI_ERROR (Status)) {
Attributes =
(
EFI_RESOURCE_ATTRIBUTE_PRESENT |
EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
);
if (Index == 0) {
//
// Register the memory with the PEI Core
//
Status = PeiServicesInstallPeiMemory (MemoryBase, MemorySize);
ASSERT_EFI_ERROR (Status);
Attributes |= EFI_RESOURCE_ATTRIBUTE_TESTED;
}
BuildResourceDescriptorHob (
EFI_RESOURCE_SYSTEM_MEMORY,
Attributes,
MemoryBase,
MemorySize
);
}
Index++;
} while (!EFI_ERROR (Status));
//
// Build the CPU hob with 57-bit addressing and 16-bits of IO space.
//
BuildCpuHob (57, 16);
return Status;
}
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