summaryrefslogtreecommitdiffstats
path: root/EmulatorPkg/Library/PeiServicesTablePointerLib
diff options
context:
space:
mode:
authorjljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524>2011-06-28 16:47:23 +0000
committerjljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524>2011-06-28 16:47:23 +0000
commitbb89ec1a7ec2f8d35033df9e47b3604925da3bd3 (patch)
tree32d38e02ccab98dbac4c3014a12ac365775e8eb3 /EmulatorPkg/Library/PeiServicesTablePointerLib
parentd3e0289ccf641481f2cbdcbb0d5868c393b7edbb (diff)
downloadedk2-bb89ec1a7ec2f8d35033df9e47b3604925da3bd3.tar.gz
edk2-bb89ec1a7ec2f8d35033df9e47b3604925da3bd3.tar.bz2
edk2-bb89ec1a7ec2f8d35033df9e47b3604925da3bd3.zip
InOsEmuPkg: Rename package to EmulatorPkg & Sec to Host
* Rename InOsEmuPkg to EmulatorPkg * Rename Unix/Sec to Unix/Host Signed-off-by: jljusten Reviewed-by: andrewfish Reviewed-by: geekboy15a git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11918 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EmulatorPkg/Library/PeiServicesTablePointerLib')
-rw-r--r--EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c136
-rw-r--r--EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf46
2 files changed, 182 insertions, 0 deletions
diff --git a/EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c b/EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c
new file mode 100644
index 0000000000..3454660fec
--- /dev/null
+++ b/EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c
@@ -0,0 +1,136 @@
+/** @file
+ PEI Services Table Pointer Library.
+
+ This library is used for PEIM which does executed from flash device directly but
+ executed in memory.
+
+ Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+ Portiions copyrigth (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 <Library/PeiServicesTablePointerLib.h>
+#include <Library/DebugLib.h>
+
+#include <Ppi/MemoryDiscovered.h>
+
+
+CONST EFI_PEI_SERVICES **gPeiServices = NULL;
+
+/**
+ Caches a pointer PEI Services Table.
+
+ Caches the pointer to the PEI Services Table specified by PeiServicesTablePointer
+ in a CPU specific manner as specified in the CPU binding section of the Platform Initialization
+ Pre-EFI Initialization Core Interface Specification.
+
+ If PeiServicesTablePointer is NULL, then ASSERT().
+
+ @param PeiServicesTablePointer The address of PeiServices pointer.
+**/
+VOID
+EFIAPI
+SetPeiServicesTablePointer (
+ IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer
+ )
+{
+ ASSERT (PeiServicesTablePointer != NULL);
+ ASSERT (*PeiServicesTablePointer != NULL);
+ gPeiServices = PeiServicesTablePointer;
+}
+
+/**
+ Retrieves the cached value of the PEI Services Table pointer.
+
+ Returns the cached value of the PEI Services Table pointer in a CPU specific manner
+ as specified in the CPU binding section of the Platform Initialization Pre-EFI
+ Initialization Core Interface Specification.
+
+ If the cached PEI Services Table pointer is NULL, then ASSERT().
+
+ @return The pointer to PeiServices.
+
+**/
+CONST EFI_PEI_SERVICES **
+EFIAPI
+GetPeiServicesTablePointer (
+ VOID
+ )
+{
+ ASSERT (gPeiServices != NULL);
+ ASSERT (*gPeiServices != NULL);
+ return gPeiServices;
+}
+
+
+
+/**
+ Notification service to be called when gEmuThunkPpiGuid is installed.
+
+ @param PeiServices Indirect reference to the PEI Services Table.
+ @param NotifyDescriptor Address of the notification descriptor data structure. Type
+ EFI_PEI_NOTIFY_DESCRIPTOR is defined above.
+ @param Ppi Address of the PPI that was installed.
+
+ @retval EFI_STATUS This function will install a PPI to PPI database. The status
+ code will be the code for (*PeiServices)->InstallPpi.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesTablePointerNotifyCallback (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
+ IN VOID *Ppi
+ )
+{
+ gPeiServices = (CONST EFI_PEI_SERVICES **)PeiServices;
+
+ return EFI_SUCCESS;
+}
+
+
+EFI_PEI_NOTIFY_DESCRIPTOR mNotifyOnThunkList = {
+ (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+ &gEfiPeiMemoryDiscoveredPpiGuid,
+ PeiServicesTablePointerNotifyCallback
+};
+
+
+/**
+ Constructor register notification on when PPI updates. If PPI is
+ alreay installed registering the notify will cause the handle to
+ run.
+
+ @param FileHandle The handle of FFS header the loaded driver.
+ @param PeiServices The pointer to the PEI services.
+
+ @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiServicesTablePointerLibConstructor (
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ IN CONST EFI_PEI_SERVICES **PeiServices
+ )
+{
+ EFI_STATUS Status;
+
+ gPeiServices = (CONST EFI_PEI_SERVICES **)PeiServices;
+
+ // register to be told when PeiServices pointer is updated
+ Status = (*PeiServices)->NotifyPpi (PeiServices, &mNotifyOnThunkList);
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+}
+
+
diff --git a/EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf b/EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf
new file mode 100644
index 0000000000..07f323a393
--- /dev/null
+++ b/EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf
@@ -0,0 +1,46 @@
+## @file
+# Instance of PEI Services Table Pointer Library using global variable for the table pointer.
+#
+# PEI Services Table Pointer Library implementation that retrieves a pointer to the
+# PEI Services Table from a global variable. Not available to modules that execute from
+# read-only memory.
+#
+# Copyright (c) 2007 - 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 = EmulatorPkgPeiServicesTablePointerLib
+ FILE_GUID = 5FD8B4ED-D66F-C144-9953-AC557C649925
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = PeiServicesTablePointerLib|PEIM
+
+ CONSTRUCTOR = PeiServicesTablePointerLibConstructor
+
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC (EBC is for build only)
+#
+
+[Sources]
+ PeiServicesTablePointer.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ DebugLib
+
+[Ppis]
+ gEfiPeiMemoryDiscoveredPpiGuid
+