diff options
Diffstat (limited to 'EmulatorPkg/AutoScanPei')
| -rw-r--r-- | EmulatorPkg/AutoScanPei/AutoScanPei.c | 109 | ||||
| -rw-r--r-- | EmulatorPkg/AutoScanPei/AutoScanPei.inf | 58 |
2 files changed, 167 insertions, 0 deletions
diff --git a/EmulatorPkg/AutoScanPei/AutoScanPei.c b/EmulatorPkg/AutoScanPei/AutoScanPei.c new file mode 100644 index 0000000000..78cdd34965 --- /dev/null +++ b/EmulatorPkg/AutoScanPei/AutoScanPei.c @@ -0,0 +1,109 @@ +/*++ @file
+
+Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+Portions copyright (c) 2011, Apple Inc. All rights reserved.
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#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 36-bit addressing and 16-bits of IO space.
+ //
+ BuildCpuHob (36, 16);
+
+ return Status;
+}
diff --git a/EmulatorPkg/AutoScanPei/AutoScanPei.inf b/EmulatorPkg/AutoScanPei/AutoScanPei.inf new file mode 100644 index 0000000000..9fd4a7d434 --- /dev/null +++ b/EmulatorPkg/AutoScanPei/AutoScanPei.inf @@ -0,0 +1,58 @@ +## @file
+# Component description file for EmuAutoScan module
+#
+# This module abstracts memory auto-scan in a Emu environment.
+# Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+# Portions copyright (c) 2011, Apple Inc. All rights reserved.
+#
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = AutoScanPei
+ FILE_GUID = 2D6F6BCC-9681-8E42-8579-B57DCD0060F0
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+
+ ENTRY_POINT = PeimInitializeAutoScanPei
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+[Sources]
+ AutoScanPei.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+# MdeModulePkg/MdeModulePkg.dec
+ EmulatorPkg/EmulatorPkg.dec
+
+[LibraryClasses]
+ PeiServicesTablePointerLib
+ PeiServicesLib
+ HobLib
+ BaseMemoryLib
+ BaseLib
+ PeimEntryPoint
+ DebugLib
+
+
+[Ppis]
+ gEfiPeiMemoryDiscoveredPpiGuid # PPI ALWAYS_PRODUCED
+ gEmuThunkPpiGuid # PPI ALWAYS_CONSUMED
+
+
+[Depex]
+ gEmuThunkPpiGuid AND gEfiPeiMasterBootModePpiGuid
+
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