/** @file\r
- This is an implementation of the ACPI S3 Save protocol. This is defined in\r
- S3 boot path specification 0.9.\r
+ This is a replacement for the ACPI S3 Save protocol.\r
+\r
+ The ACPI S3 Save protocol used to be defined in the S3 boot path\r
+ specification 0.9. Instead, the same functionality is now hooked to the\r
+ End-of-Dxe event.\r
\r
Copyright (c) 2014-2015, Red Hat, Inc.<BR>\r
Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
#include <Guid/AcpiS3Context.h>\r
#include <Guid/Acpi.h>\r
#include <Guid/EventGroup.h>\r
-#include <Protocol/AcpiS3Save.h>\r
#include <Protocol/LockBox.h>\r
#include <IndustryStandard/Acpi.h>\r
\r
-#include "AcpiS3Save.h"\r
-\r
-UINTN mLegacyRegionSize;\r
-\r
-EFI_ACPI_S3_SAVE_PROTOCOL mS3Save = {\r
- LegacyGetS3MemorySize,\r
- S3Ready,\r
-};\r
-\r
EFI_GUID mAcpiS3IdtrProfileGuid = {\r
0xdea652b0, 0xd587, 0x4c54, { 0xb5, 0xb4, 0xc6, 0x82, 0xe7, 0xa0, 0xaa, 0x3d }\r
};\r
}\r
}\r
\r
-/**\r
- Gets the buffer of legacy memory below 1 MB \r
- This function is to get the buffer in legacy memory below 1MB that is required during S3 resume.\r
-\r
- @param This A pointer to the EFI_ACPI_S3_SAVE_PROTOCOL instance.\r
- @param Size The returned size of legacy memory below 1 MB.\r
-\r
- @retval EFI_SUCCESS Size is successfully returned.\r
- @retval EFI_INVALID_PARAMETER The pointer Size is NULL.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-LegacyGetS3MemorySize (\r
- IN EFI_ACPI_S3_SAVE_PROTOCOL *This,\r
- OUT UINTN *Size\r
- )\r
-{\r
- ASSERT (FALSE);\r
-\r
- if (Size == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- *Size = mLegacyRegionSize;\r
- return EFI_SUCCESS;\r
-}\r
-\r
/**\r
Prepares all information that is needed in the S3 resume boot path.\r
\r
Allocate the resources or prepare informations and save in ACPI variable set for S3 resume boot path \r
\r
- @param This A pointer to the EFI_ACPI_S3_SAVE_PROTOCOL instance.\r
- @param LegacyMemoryAddress The base address of legacy memory.\r
-\r
- @retval EFI_NOT_FOUND Some necessary information cannot be found.\r
@retval EFI_SUCCESS All information was saved successfully.\r
- @retval EFI_OUT_OF_RESOURCES Resources were insufficient to save all the information.\r
- @retval EFI_INVALID_PARAMETER The memory range is not located below 1 MB.\r
-\r
**/\r
+STATIC\r
EFI_STATUS\r
EFIAPI\r
S3Ready (\r
- IN EFI_ACPI_S3_SAVE_PROTOCOL *This,\r
- IN VOID *LegacyMemoryAddress\r
+ VOID\r
)\r
{\r
EFI_STATUS Status;\r
\r
DEBUG ((EFI_D_INFO, "S3Ready!\n"));\r
\r
- //\r
- // Platform may invoke AcpiS3Save->S3Save() before ExitPmAuth, because we need save S3 information there, while BDS ReadyToBoot may invoke it again.\r
- // So if 2nd S3Save() is triggered later, we need ignore it.\r
- //\r
+ ASSERT (!AlreadyEntered);\r
if (AlreadyEntered) {\r
return EFI_SUCCESS;\r
}\r
AlreadyEntered = TRUE;\r
\r
- ASSERT (LegacyMemoryAddress == NULL);\r
-\r
AcpiS3Context = AllocateMemoryBelow4G (EfiReservedMemoryType, sizeof(*AcpiS3Context));\r
ASSERT (AcpiS3Context != NULL);\r
AcpiS3ContextBuffer = (EFI_PHYSICAL_ADDRESS)(UINTN)AcpiS3Context;\r
EFI_STATUS Status;\r
\r
//\r
- // Our S3Ready() function ignores both of its parameters, and always\r
- // succeeds.\r
+ // Our S3Ready() function always succeeds.\r
//\r
- Status = S3Ready (\r
- NULL, // This\r
- NULL // LegacyMemoryAddress\r
- );\r
+ Status = S3Ready ();\r
ASSERT_EFI_ERROR (Status);\r
\r
//\r
/**\r
The Driver Entry Point.\r
\r
- The function is the driver Entry point which will produce AcpiS3SaveProtocol.\r
- \r
+ The function is the driver Entry point that will register the End-of-Dxe\r
+ callback.\r
+\r
@param ImageHandle A handle for the image that is initializing this driver\r
@param SystemTable A pointer to the EFI system table\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
-InstallAcpiS3Save (\r
+InstallEndOfDxeCallback (\r
IN EFI_HANDLE ImageHandle,\r
IN EFI_SYSTEM_TABLE *SystemTable\r
)\r
return EFI_LOAD_ERROR;\r
}\r
\r
- if (!FeaturePcdGet(PcdPlatformCsmSupport)) {\r
- //\r
- // More memory for no CSM tip, because GDT need relocation\r
- //\r
- mLegacyRegionSize = 0x250;\r
- } else {\r
- mLegacyRegionSize = 0x100;\r
- }\r
-\r
Status = gBS->InstallMultipleProtocolInterfaces (\r
&ImageHandle,\r
- &gEfiAcpiS3SaveProtocolGuid, &mS3Save,\r
&gEfiLockBoxProtocolGuid, NULL,\r
NULL\r
);\r
+++ /dev/null
-/** @file\r
- This is an implementation of the ACPI S3 Save protocol. This is defined in \r
- S3 boot path specification 0.9.\r
-\r
-Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
-\r
-This program and the accompanying materials\r
-are licensed and made available under the terms and conditions\r
-of the BSD License which accompanies this distribution. The\r
-full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-**/\r
-\r
-#ifndef _ACPI_S3_SAVE_H_\r
-#define _ACPI_S3_SAVE_H_\r
-\r
-/**\r
- Gets the buffer of legacy memory below 1 MB \r
- This function is to get the buffer in legacy memory below 1MB that is required during S3 resume.\r
-\r
- @param This A pointer to the EFI_ACPI_S3_SAVE_PROTOCOL instance.\r
- @param Size The returned size of legacy memory below 1 MB.\r
-\r
- @retval EFI_SUCCESS Size is successfully returned.\r
- @retval EFI_INVALID_PARAMETER The pointer Size is NULL.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-LegacyGetS3MemorySize (\r
- IN EFI_ACPI_S3_SAVE_PROTOCOL * This,\r
- OUT UINTN * Size\r
- );\r
-\r
-/**\r
- Prepares all information that is needed in the S3 resume boot path.\r
- \r
- Allocate the resources or prepare informations and save in ACPI variable set for S3 resume boot path \r
- \r
- @param This A pointer to the EFI_ACPI_S3_SAVE_PROTOCOL instance.\r
- @param LegacyMemoryAddress The base address of legacy memory.\r
-\r
- @retval EFI_NOT_FOUND Some necessary information cannot be found.\r
- @retval EFI_SUCCESS All information was saved successfully.\r
- @retval EFI_OUT_OF_RESOURCES Resources were insufficient to save all the information.\r
- @retval EFI_INVALID_PARAMETER The memory range is not located below 1 MB.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-S3Ready (\r
- IN EFI_ACPI_S3_SAVE_PROTOCOL *This,\r
- IN VOID *LegacyMemoryAddress \r
- );\r
-#endif\r
## @file\r
-# Component description file for AcpiS3Save module.\r
+# AcpiS3Save module installs EndOfDxe callback to prepare S3 boot data.\r
#\r
-# This is an implementation of the ACPI S3 Save protocol.\r
# Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r
#\r
# This program and the accompanying materials are\r
MODULE_TYPE = DXE_DRIVER\r
VERSION_STRING = 1.0\r
\r
- ENTRY_POINT = InstallAcpiS3Save\r
+ ENTRY_POINT = InstallEndOfDxeCallback\r
\r
#\r
# The following information is for reference only and not required by the build tools.\r
#\r
\r
[Sources]\r
- AcpiS3Save.h\r
AcpiS3Save.c\r
\r
[Packages]\r
gEfiEndOfDxeEventGroupGuid ## CONSUMES ## Event\r
\r
[Protocols]\r
- gEfiAcpiS3SaveProtocolGuid # PROTOCOL ALWAYS_PRODUCED\r
gEfiLockBoxProtocolGuid # PROTOCOL ALWAYS_PRODUCED\r
gEfiLegacyBiosProtocolGuid # PROTOCOL ALWAYS_CONSUMED\r
gEfiLegacyRegion2ProtocolGuid # PROTOCOL SOMETIMES_CONSUMED\r
gFrameworkEfiMpServiceProtocolGuid # PROTOCOL SOMETIMES_CONSUMED\r
\r
[FeaturePcd]\r
- gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdPlatformCsmSupport ## CONSUMES\r
gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSwitchToLongMode\r
\r
[Pcd]\r
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