diff options
Diffstat (limited to 'EdkModulePkg/Library/EdkDxeRuntimeSalLib/Ipf/EsalServiceLib.c')
| -rw-r--r-- | EdkModulePkg/Library/EdkDxeRuntimeSalLib/Ipf/EsalServiceLib.c | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/EdkModulePkg/Library/EdkDxeRuntimeSalLib/Ipf/EsalServiceLib.c b/EdkModulePkg/Library/EdkDxeRuntimeSalLib/Ipf/EsalServiceLib.c deleted file mode 100644 index 471525a9fc..0000000000 --- a/EdkModulePkg/Library/EdkDxeRuntimeSalLib/Ipf/EsalServiceLib.c +++ /dev/null @@ -1,280 +0,0 @@ -/*++
-
-Copyright (c) 2006, Intel Corporation
-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.
-
-Module Name:
-
- EsalServiceLib.c
-
-Abstract:
-
---*/
-
-#include <Ipf/IpfDefines.h>
-
-EXTENDED_SAL_BOOT_SERVICE_PROTOCOL *mEsalBootService = NULL;
-EFI_PLABEL mPlabel;
-
-STATIC
-EFI_STATUS
-EFIAPI
-DxeSalLibInitialize (
- VOID
- )
-{
- EFI_PLABEL *Plabel;
- EFI_STATUS Status;
-
- if (mEsalBootService != NULL) {
- return EFI_SUCCESS;
- }
-
- //
- // The protocol contains a function pointer, which is an indirect procedure call.
- // An indirect procedure call goes through a plabel, and pointer to a function is
- // a pointer to a plabel. To implement indirect procedure calls that can work in
- // both physical and virtual mode, two plabels are required (one physical and one
- // virtual). So lets grap the physical PLABEL for the EsalEntryPoint and store it
- // away. We cache it in a module global, so we can register the vitrual version.
- //
- Status = gBS->LocateProtocol (&gEfiExtendedSalBootServiceProtocolGuid, NULL, (VOID **) &mEsalBootService);
- if (EFI_ERROR (Status)) {
- mEsalBootService = NULL;
- return EFI_SUCCESS;
- }
-
- Plabel = (EFI_PLABEL *) (UINTN) mEsalBootService->ExtendedSalProc;
-
- mPlabel.EntryPoint = Plabel->EntryPoint;
- mPlabel.GP = Plabel->GP;
- SetEsalPhysicalEntryPoint (mPlabel.EntryPoint, mPlabel.GP);
-
- return EFI_SUCCESS;
-}
-
-VOID
-EFIAPI
-DxeSalVirtualNotifyEvent (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-/*++
-
-Routine Description:
-
- Fixup virtual address pointer of label.
-
-Arguments:
-
- Event - The Event that is being processed
-
- Context - Event Context
-
-Returns:
-
- None
-
---*/
-{
- UINT64 PhysicalEntryPoint;
-
- PhysicalEntryPoint = mPlabel.EntryPoint;
-
- EfiConvertPointer (0x0, (VOID **) &mPlabel.EntryPoint);
- mPlabel.GP += mPlabel.EntryPoint - PhysicalEntryPoint;
-
- SetEsalVirtualEntryPoint (mPlabel.EntryPoint, mPlabel.GP);
-}
-
-EFI_STATUS
-EFIAPI
-RegisterEsalFunction (
- IN UINT64 FunctionId,
- IN EFI_GUID *ClassGuid,
- IN SAL_INTERNAL_EXTENDED_SAL_PROC Function,
- IN VOID *ModuleGlobal
- )
-/*++
-
-Routine Description:
-
- Register ESAL Class Function and it's asociated global.
- This function is boot service only!
-
-Arguments:
- FunctionId - ID of function to register
- ClassGuid - GUID of function class
- Function - Function to register under ClassGuid/FunctionId pair
- ModuleGlobal - Module global for Function.
-
-Returns:
- EFI_SUCCESS - If ClassGuid/FunctionId Function was registered.
-
---*/
-{
- DxeSalLibInitialize ();
- return mEsalBootService->AddExtendedSalProc (
- mEsalBootService,
- ClassGuid,
- FunctionId,
- Function,
- ModuleGlobal
- );
-}
-
-EFI_STATUS
-EFIAPI
-RegisterEsalClass (
- IN EFI_GUID *ClassGuid,
- IN VOID *ModuleGlobal,
- ...
- )
-/*++
-
-Routine Description:
-
- Register ESAL Class and it's asociated global.
- This function is boot service only!
-
-Arguments:
- ClassGuid - GUID of function class
- ModuleGlobal - Module global for Function.
- ... - SAL_INTERNAL_EXTENDED_SAL_PROC and FunctionId pairs. NULL
- indicates the end of the list.
-
-Returns:
- EFI_SUCCESS - All members of ClassGuid registered
-
---*/
-{
- VA_LIST Args;
- EFI_STATUS Status;
- SAL_INTERNAL_EXTENDED_SAL_PROC Function;
- UINT64 FunctionId;
- EFI_HANDLE NewHandle;
-
- VA_START (Args, ModuleGlobal);
-
- Status = EFI_SUCCESS;
- while (!EFI_ERROR (Status)) {
- Function = (SAL_INTERNAL_EXTENDED_SAL_PROC) VA_ARG (Args, SAL_INTERNAL_EXTENDED_SAL_PROC);
- if (Function == NULL) {
- break;
- }
-
- FunctionId = VA_ARG (Args, UINT64);
-
- Status = RegisterEsalFunction (FunctionId, ClassGuid, Function, ModuleGlobal);
- }
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- NewHandle = NULL;
- return gBS->InstallProtocolInterface (
- &NewHandle,
- ClassGuid,
- EFI_NATIVE_INTERFACE,
- NULL
- );
-}
-
-SAL_RETURN_REGS
-EFIAPI
-EfiCallEsalService (
- IN EFI_GUID *ClassGuid,
- IN UINT64 FunctionId,
- IN UINT64 Arg2,
- IN UINT64 Arg3,
- IN UINT64 Arg4,
- IN UINT64 Arg5,
- IN UINT64 Arg6,
- IN UINT64 Arg7,
- IN UINT64 Arg8
- )
-/*++
-
-Routine Description:
-
- Call module that is not linked direclty to this module. This code is IP
- relative and hides the binding issues of virtual or physical calling. The
- function that gets dispatched has extra arguments that include the registered
- module global and a boolean flag to indicate if the system is in virutal mode.
-
-Arguments:
- ClassGuid - GUID of function
- FunctionId - Function in ClassGuid to call
- Arg2 - Argument 2 ClassGuid/FunctionId defined
- Arg3 - Argument 3 ClassGuid/FunctionId defined
- Arg4 - Argument 4 ClassGuid/FunctionId defined
- Arg5 - Argument 5 ClassGuid/FunctionId defined
- Arg6 - Argument 6 ClassGuid/FunctionId defined
- Arg7 - Argument 7 ClassGuid/FunctionId defined
- Arg8 - Argument 8 ClassGuid/FunctionId defined
-
-Returns:
- Status of ClassGuid/FuncitonId
-
---*/
-{
- SAL_RETURN_REGS ReturnReg;
- SAL_EXTENDED_SAL_PROC EsalProc;
-
- ReturnReg = GetEsalEntryPoint ();
- if (ReturnReg.Status != EFI_SAL_SUCCESS) {
- return ReturnReg;
- }
-
- //
- // Look at the physical mode ESAL entry point to determine of the ESAL entry point has been initialized
- //
- if (*(UINT64 *)ReturnReg.r9 == 0 && *(UINT64 *)(ReturnReg.r9 + 8) == 0) {
- //
- // Both the function ponter and the GP value are zero, so attempt to initialize the ESAL Entry Point
- //
- DxeSalLibInitialize ();
- ReturnReg = GetEsalEntryPoint ();
- if (ReturnReg.Status != EFI_SAL_SUCCESS) {
- return ReturnReg;
- }
- if (*(UINT64 *)ReturnReg.r9 == 0 && *(UINT64 *)(ReturnReg.r9 + 8) == 0) {
- //
- // The ESAL Entry Point could not be initialized
- //
- ReturnReg.Status = EFI_SAL_ERROR;
- return ReturnReg;
- }
- }
-
- if (ReturnReg.r11 & PSR_IT_MASK) {
- //
- // Virtual mode plabel to entry point
- //
- EsalProc = (SAL_EXTENDED_SAL_PROC) ReturnReg.r10;
- } else {
- //
- // Physical mode plabel to entry point
- //
- EsalProc = (SAL_EXTENDED_SAL_PROC) ReturnReg.r9;
- }
-
- return EsalProc (
- ClassGuid,
- FunctionId,
- Arg2,
- Arg3,
- Arg4,
- Arg5,
- Arg6,
- Arg7,
- Arg8
- );
-}
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