+++ /dev/null
-/** @file\r
- Entrypoint of Extended SAL variable service module.\r
-\r
-Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The 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
-#include "Variable.h"\r
-#include "AuthService.h"\r
-\r
-//\r
-// Don't use module globals after the SetVirtualAddress map is signaled\r
-//\r
-EFI_EVENT mEfiVirtualNotifyEvent;\r
-\r
-/**\r
- Common entry for Extended SAL Variable Services Class.\r
-\r
- This is the common entry of all functions of Extended SAL Variable Services Class.\r
-\r
- @param[in] FunctionId The Function ID of member function in Extended SAL Variable Services Class.\r
- @param[in] Arg2 The 2nd parameter for SAL procedure call.\r
- @param[in] Arg3 The 3rd parameter for SAL procedure call.\r
- @param[in] Arg4 The 4th parameter for SAL procedure call.\r
- @param[in] Arg5 The 5th parameter for SAL procedure call.\r
- @param[in] Arg6 The 6th parameter for SAL procedure call.\r
- @param[in] Arg7 The 7th parameter for SAL procedure call.\r
- @param[in] Arg8 The 8th parameter for SAL procedure call.\r
- @param[in] VirtualMode The current calling mode for this function.\r
- @param[in] Global The context of this Extended SAL Variable Services Class call.\r
-\r
- @return The register of SAL.\r
-\r
-**/\r
-SAL_RETURN_REGS\r
-EFIAPI\r
-EsalVariableCommonEntry (\r
- IN UINT64 FunctionId,\r
- IN UINT64 Arg2,\r
- IN UINT64 Arg3,\r
- IN UINT64 Arg4,\r
- IN UINT64 Arg5,\r
- IN UINT64 Arg6,\r
- IN UINT64 Arg7,\r
- IN UINT64 Arg8,\r
- IN BOOLEAN VirtualMode,\r
- IN ESAL_VARIABLE_GLOBAL *Global\r
- )\r
-{\r
- SAL_RETURN_REGS ReturnVal;\r
-\r
- ReturnVal.r9 = 0;\r
- ReturnVal.r10 = 0;\r
- ReturnVal.r11 = 0;\r
-\r
- switch (FunctionId) {\r
- case EsalGetVariableFunctionId:\r
- ReturnVal.Status = EsalGetVariable (\r
- (CHAR16 *) Arg2,\r
- (EFI_GUID *) Arg3,\r
- (UINT32 *) Arg4,\r
- (UINTN *) Arg5,\r
- (VOID *) Arg6,\r
- VirtualMode,\r
- Global\r
- );\r
- return ReturnVal;\r
-\r
- case EsalGetNextVariableNameFunctionId:\r
- ReturnVal.Status = EsalGetNextVariableName (\r
- (UINTN *) Arg2,\r
- (CHAR16 *) Arg3,\r
- (EFI_GUID *) Arg4,\r
- VirtualMode,\r
- Global\r
- );\r
- return ReturnVal;\r
-\r
- case EsalSetVariableFunctionId:\r
- ReturnVal.Status = EsalSetVariable (\r
- (CHAR16 *) Arg2,\r
- (EFI_GUID *) Arg3,\r
- (UINT32) Arg4,\r
- (UINTN) Arg5,\r
- (VOID *) Arg6,\r
- VirtualMode,\r
- Global\r
- );\r
- return ReturnVal;\r
-\r
- case EsalQueryVariableInfoFunctionId:\r
- ReturnVal.Status = EsalQueryVariableInfo (\r
- (UINT32) Arg2,\r
- (UINT64 *) Arg3,\r
- (UINT64 *) Arg4,\r
- (UINT64 *) Arg5,\r
- VirtualMode,\r
- Global\r
- );\r
- return ReturnVal;\r
-\r
- default:\r
- ReturnVal.Status = EFI_SAL_INVALID_ARGUMENT;\r
- return ReturnVal;\r
- }\r
-}\r
-\r
-/**\r
- Notification function of EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE.\r
-\r
- This is a notification function registered on EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event.\r
- It convers pointer to new virtual address.\r
-\r
- @param[in] Event The event whose notification function is being invoked.\r
- @param[in] Context The pointer to the notification function's context.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-VariableClassAddressChangeEvent (\r
- IN EFI_EVENT Event,\r
- IN VOID *Context\r
- )\r
-{\r
- UINTN Index;\r
-\r
- CopyMem (\r
- &mVariableModuleGlobal->VariableGlobal[Virtual],\r
- &mVariableModuleGlobal->VariableGlobal[Physical],\r
- sizeof (VARIABLE_GLOBAL)\r
- );\r
-\r
- EfiConvertPointer (\r
- 0x0,\r
- (VOID **) &mVariableModuleGlobal->VariableGlobal[Virtual].NonVolatileVariableBase\r
- );\r
- EfiConvertPointer (\r
- 0x0,\r
- (VOID **) &mVariableModuleGlobal->VariableGlobal[Virtual].VolatileVariableBase\r
- );\r
-\r
- mVariableModuleGlobal->PlatformLangCodes[Virtual] = mVariableModuleGlobal->PlatformLangCodes[Physical];\r
- EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->PlatformLangCodes[Virtual]);\r
-\r
- mVariableModuleGlobal->LangCodes[Virtual] = mVariableModuleGlobal->LangCodes[Physical];\r
- EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->LangCodes[Virtual]);\r
-\r
- mVariableModuleGlobal->PlatformLang[Virtual] = mVariableModuleGlobal->PlatformLang[Physical];\r
- EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->PlatformLang[Virtual]);\r
-\r
- CopyMem (\r
- mVariableModuleGlobal->VariableName[Virtual],\r
- mVariableModuleGlobal->VariableName[Physical],\r
- sizeof (mVariableModuleGlobal->VariableName[Physical])\r
- );\r
- for (Index = 0; Index < NUM_VAR_NAME; Index++) {\r
- EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->VariableName[Virtual][Index]);\r
- }\r
-\r
- mVariableModuleGlobal->GlobalVariableGuid[Virtual] = &gEfiGlobalVariableGuid;\r
- EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->GlobalVariableGuid[Virtual]);\r
-\r
- mVariableModuleGlobal->AuthenticatedVariableGuid[Virtual] = &gEfiAuthenticatedVariableGuid;\r
- EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->AuthenticatedVariableGuid[Virtual]);\r
-\r
- mVariableModuleGlobal->CertRsa2048Sha256Guid[Virtual] = &gEfiCertRsa2048Sha256Guid;\r
- EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->CertRsa2048Sha256Guid[Virtual]);\r
-\r
- mVariableModuleGlobal->ImageSecurityDatabaseGuid[Virtual] = &gEfiImageSecurityDatabaseGuid;\r
- EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->ImageSecurityDatabaseGuid[Virtual]);\r
-\r
- mVariableModuleGlobal->HashContext[Virtual] = mVariableModuleGlobal->HashContext[Physical];\r
- EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->HashContext[Virtual]);\r
-}\r
-\r
-/**\r
- Entry point of Extended SAL Variable service module.\r
-\r
- This function is the entry point of Extended SAL Variable service module.\r
- It registers all functions of Extended SAL Variable class, initializes\r
- variable store for non-volatile and volatile variables, and registers\r
- notification function for EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event.\r
-\r
- @param[in] ImageHandle The Image handle of this driver.\r
- @param[in] SystemTable The pointer of EFI_SYSTEM_TABLE.\r
-\r
- @retval EFI_SUCCESS Extended SAL Variable Services Class successfully registered.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-VariableServiceInitialize (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- Status = gBS->CreateEventEx (\r
- EVT_NOTIFY_SIGNAL,\r
- TPL_NOTIFY,\r
- VariableClassAddressChangeEvent,\r
- NULL,\r
- &gEfiEventVirtualAddressChangeGuid,\r
- &mEfiVirtualNotifyEvent\r
- );\r
-\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- Status = VariableCommonInitialize (ImageHandle, SystemTable);\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- //\r
- // Authenticated variable initialize\r
- //\r
- Status = AutenticatedVariableServiceInitialize ();\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- FlushHob2Nv ();\r
-\r
- //\r
- // Register All the Functions with Extended SAL Variable Services Class\r
- //\r
- RegisterEsalClass (\r
- EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID_LO,\r
- EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID_HI,\r
- mVariableModuleGlobal,\r
- EsalVariableCommonEntry,\r
- EsalGetVariableFunctionId,\r
- EsalVariableCommonEntry,\r
- EsalGetNextVariableNameFunctionId,\r
- EsalVariableCommonEntry,\r
- EsalSetVariableFunctionId,\r
- EsalVariableCommonEntry,\r
- EsalQueryVariableInfoFunctionId,\r
- NULL\r
- );\r
-\r
- return EFI_SUCCESS;\r
-}\r
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