Provides auxiliary support routines for the VM. That is, routines\r
that are not particularly related to VM execution of EBC instructions.\r
\r
-Copyright (c) 2006 - 2008, Intel Corporation\r
-All rights reserved. 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
+Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "EbcInt.h"\r
#include "EbcExecute.h"\r
+#include "EbcDebuggerHook.h"\r
\r
//\r
// We'll keep track of all thunks we create in a linked list. Each\r
// image handles, with each having a linked list of thunks allocated\r
// to that image handle.\r
//\r
-typedef struct _EBC_THUNK_LIST {\r
- VOID *ThunkBuffer;\r
- struct _EBC_THUNK_LIST *Next;\r
-} EBC_THUNK_LIST;\r
-\r
-typedef struct _EBC_IMAGE_LIST {\r
- struct _EBC_IMAGE_LIST *Next;\r
- EFI_HANDLE ImageHandle;\r
- EBC_THUNK_LIST *ThunkList;\r
-} EBC_IMAGE_LIST;\r
+typedef struct _EBC_THUNK_LIST EBC_THUNK_LIST;\r
+struct _EBC_THUNK_LIST {\r
+ VOID *ThunkBuffer;\r
+ EBC_THUNK_LIST *Next;\r
+};\r
+\r
+typedef struct _EBC_IMAGE_LIST EBC_IMAGE_LIST;\r
+struct _EBC_IMAGE_LIST {\r
+ EBC_IMAGE_LIST *Next;\r
+ EFI_HANDLE ImageHandle;\r
+ EBC_THUNK_LIST *ThunkList;\r
+};\r
\r
/**\r
This routine is called by the core when an image is being unloaded from\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcUnloadImage (\r
- IN EFI_EBC_PROTOCOL *This,\r
- IN EFI_HANDLE ImageHandle\r
+ IN EFI_EBC_PROTOCOL *This,\r
+ IN EFI_HANDLE ImageHandle\r
);\r
\r
/**\r
@retval EFI_OUT_OF_RESOURCES Memory could not be allocated for the thunk.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcCreateThunk (\r
- IN EFI_EBC_PROTOCOL *This,\r
- IN EFI_HANDLE ImageHandle,\r
- IN VOID *EbcEntryPoint,\r
- OUT VOID **Thunk\r
+ IN EFI_EBC_PROTOCOL *This,\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN VOID *EbcEntryPoint,\r
+ OUT VOID **Thunk\r
);\r
\r
/**\r
@param This A pointer to the EFI_EBC_PROTOCOL instance.\r
@param Version Pointer to where to store the returned version\r
of the interpreter.\r
- \r
+\r
@retval EFI_SUCCESS The function completed successfully.\r
@retval EFI_INVALID_PARAMETER Version pointer is NULL.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcGetVersion (\r
- IN EFI_EBC_PROTOCOL *This,\r
- IN OUT UINT64 *Version\r
+ IN EFI_EBC_PROTOCOL *This,\r
+ IN OUT UINT64 *Version\r
);\r
\r
/**\r
@retval Others Some error occurs when creating periodic event.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
InitializeEbcCallback (\r
@param SystemContext EBC system context.\r
\r
**/\r
-STATIC\r
VOID\r
EFIAPI\r
CommonEbcExceptionHandler (\r
@param Context It should be the address of VM_CONTEXT pointer.\r
\r
**/\r
-STATIC\r
VOID\r
EFIAPI\r
EbcPeriodicNotifyFunction (\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcDebugPeriodic (\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
InitEbcVmTestProtocol (\r
- IN EFI_HANDLE *Handle\r
+ IN EFI_HANDLE *IHandle\r
);\r
\r
/**\r
Returns the EFI_UNSUPPORTED Status.\r
- \r
+\r
@return EFI_UNSUPPORTED This function always return EFI_UNSUPPORTED status.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
+EFIAPI\r
EbcVmTestUnsupported (\r
VOID\r
);\r
\r
/**\r
Registers a callback function that the EBC interpreter calls to flush the\r
- processor instruction cache following creation of thunks. \r
+ processor instruction cache following creation of thunks.\r
\r
@param This A pointer to the EFI_EBC_PROTOCOL instance.\r
@param Flush Pointer to a function of type EBC_ICACH_FLUSH.\r
- \r
+\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcRegisterICacheFlush (\r
- IN EFI_EBC_PROTOCOL *This,\r
- IN EBC_ICACHE_FLUSH Flush\r
+ IN EFI_EBC_PROTOCOL *This,\r
+ IN EBC_ICACHE_FLUSH Flush\r
);\r
\r
/**\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcDebugGetMaximumProcessorIndex (\r
- IN EFI_DEBUG_SUPPORT_PROTOCOL *This,\r
- OUT UINTN *MaxProcessorIndex\r
+ IN EFI_DEBUG_SUPPORT_PROTOCOL *This,\r
+ OUT UINTN *MaxProcessorIndex\r
);\r
\r
/**\r
callback function was previously registered.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcDebugRegisterPeriodicCallback (\r
- IN EFI_DEBUG_SUPPORT_PROTOCOL *This,\r
- IN UINTN ProcessorIndex,\r
- IN EFI_PERIODIC_CALLBACK PeriodicCallback\r
+ IN EFI_DEBUG_SUPPORT_PROTOCOL *This,\r
+ IN UINTN ProcessorIndex,\r
+ IN EFI_PERIODIC_CALLBACK PeriodicCallback\r
);\r
\r
/**\r
callback function was previously registered.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcDebugRegisterExceptionCallback (\r
- IN EFI_DEBUG_SUPPORT_PROTOCOL *This,\r
- IN UINTN ProcessorIndex,\r
- IN EFI_EXCEPTION_CALLBACK ExceptionCallback,\r
- IN EFI_EXCEPTION_TYPE ExceptionType\r
+ IN EFI_DEBUG_SUPPORT_PROTOCOL *This,\r
+ IN UINTN ProcessorIndex,\r
+ IN EFI_EXCEPTION_CALLBACK ExceptionCallback,\r
+ IN EFI_EXCEPTION_TYPE ExceptionType\r
);\r
\r
/**\r
@param Start StartSpecifies the physical base of the memory\r
range to be invalidated.\r
@param Length Specifies the minimum number of bytes in the\r
- processor's instruction cache to invalidate. \r
+ processor's instruction cache to invalidate.\r
\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcDebugInvalidateInstructionCache (\r
- IN EFI_DEBUG_SUPPORT_PROTOCOL *This,\r
- IN UINTN ProcessorIndex,\r
- IN VOID *Start,\r
- IN UINT64 Length\r
+ IN EFI_DEBUG_SUPPORT_PROTOCOL *This,\r
+ IN UINTN ProcessorIndex,\r
+ IN VOID *Start,\r
+ IN UINT64 Length\r
);\r
\r
//\r
// also be global since the execution of an EBC image does not provide\r
// a This pointer.\r
//\r
-STATIC EBC_IMAGE_LIST *mEbcImageList = NULL;\r
+EBC_IMAGE_LIST *mEbcImageList = NULL;\r
\r
//\r
// Callback function to flush the icache after thunk creation\r
//\r
-STATIC EBC_ICACHE_FLUSH mEbcICacheFlush;\r
+EBC_ICACHE_FLUSH mEbcICacheFlush;\r
\r
//\r
// These get set via calls by the debug agent\r
//\r
-STATIC EFI_PERIODIC_CALLBACK mDebugPeriodicCallback = NULL;\r
-STATIC EFI_EXCEPTION_CALLBACK mDebugExceptionCallback[MAX_EBC_EXCEPTION + 1] = {NULL};\r
-STATIC EFI_GUID mEfiEbcVmTestProtocolGuid = EFI_EBC_VM_TEST_PROTOCOL_GUID;\r
+EFI_PERIODIC_CALLBACK mDebugPeriodicCallback = NULL;\r
+EFI_EXCEPTION_CALLBACK mDebugExceptionCallback[MAX_EBC_EXCEPTION + 1] = {NULL};\r
\r
-STATIC VOID* mStackBuffer[MAX_STACK_NUM];\r
-STATIC EFI_HANDLE mStackBufferIndex[MAX_STACK_NUM];\r
-STATIC UINTN mStackNum = 0;\r
+VOID *mStackBuffer[MAX_STACK_NUM];\r
+EFI_HANDLE mStackBufferIndex[MAX_STACK_NUM];\r
+UINTN mStackNum = 0;\r
\r
//\r
// Event for Periodic callback\r
//\r
-STATIC EFI_EVENT mEbcPeriodicEvent;\r
-VM_CONTEXT *mVmPtr = NULL;\r
+EFI_EVENT mEbcPeriodicEvent;\r
+VM_CONTEXT *mVmPtr = NULL;\r
\r
\r
/**\r
InitEbcVmTestProtocol (&ImageHandle);\r
DEBUG_CODE_END ();\r
\r
+ EbcDebuggerHookInit (ImageHandle, EbcDebugProtocol);\r
+\r
return EFI_SUCCESS;\r
\r
ErrorExit:\r
@retval EFI_OUT_OF_RESOURCES Memory could not be allocated for the thunk.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcCreateThunk (\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcDebugGetMaximumProcessorIndex (\r
callback function was previously registered.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcDebugRegisterPeriodicCallback (\r
callback function was previously registered.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcDebugRegisterExceptionCallback (\r
@param Start StartSpecifies the physical base of the memory\r
range to be invalidated.\r
@param Length Specifies the minimum number of bytes in the\r
- processor's instruction cache to invalidate. \r
+ processor's instruction cache to invalidate.\r
\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcDebugInvalidateInstructionCache (\r
The VM interpreter calls this function when an exception is detected.\r
\r
@param ExceptionType Specifies the processor exception detected.\r
- @param ExceptionFlags Specifies the exception context. \r
+ @param ExceptionFlags Specifies the exception context.\r
@param VmPtr Pointer to a VM context for passing info to the\r
EFI debugger.\r
\r
// Save the exception in the context passed in\r
//\r
VmPtr->ExceptionFlags |= ExceptionFlags;\r
- VmPtr->LastException = ExceptionType;\r
+ VmPtr->LastException = (UINTN) ExceptionType;\r
//\r
// If it's a fatal exception, then flag it in the VM context in case an\r
// attached debugger tries to return from it.\r
//\r
- if (ExceptionFlags & EXCEPTION_FLAG_FATAL) {\r
+ if ((ExceptionFlags & EXCEPTION_FLAG_FATAL) != 0) {\r
VmPtr->StopFlags |= STOPFLAG_APP_DONE;\r
}\r
\r
//\r
// Initialize the context structure\r
//\r
- EbcContext.R0 = VmPtr->R[0];\r
- EbcContext.R1 = VmPtr->R[1];\r
- EbcContext.R2 = VmPtr->R[2];\r
- EbcContext.R3 = VmPtr->R[3];\r
- EbcContext.R4 = VmPtr->R[4];\r
- EbcContext.R5 = VmPtr->R[5];\r
- EbcContext.R6 = VmPtr->R[6];\r
- EbcContext.R7 = VmPtr->R[7];\r
+ EbcContext.R0 = (UINT64) VmPtr->Gpr[0];\r
+ EbcContext.R1 = (UINT64) VmPtr->Gpr[1];\r
+ EbcContext.R2 = (UINT64) VmPtr->Gpr[2];\r
+ EbcContext.R3 = (UINT64) VmPtr->Gpr[3];\r
+ EbcContext.R4 = (UINT64) VmPtr->Gpr[4];\r
+ EbcContext.R5 = (UINT64) VmPtr->Gpr[5];\r
+ EbcContext.R6 = (UINT64) VmPtr->Gpr[6];\r
+ EbcContext.R7 = (UINT64) VmPtr->Gpr[7];\r
EbcContext.Ip = (UINT64)(UINTN)VmPtr->Ip;\r
EbcContext.Flags = VmPtr->Flags;\r
EbcContext.ControlFlags = 0;\r
//\r
// Restore the context structure and continue to execute\r
//\r
- VmPtr->R[0] = EbcContext.R0;\r
- VmPtr->R[1] = EbcContext.R1;\r
- VmPtr->R[2] = EbcContext.R2;\r
- VmPtr->R[3] = EbcContext.R3;\r
- VmPtr->R[4] = EbcContext.R4;\r
- VmPtr->R[5] = EbcContext.R5;\r
- VmPtr->R[6] = EbcContext.R6;\r
- VmPtr->R[7] = EbcContext.R7;\r
+ VmPtr->Gpr[0] = EbcContext.R0;\r
+ VmPtr->Gpr[1] = EbcContext.R1;\r
+ VmPtr->Gpr[2] = EbcContext.R2;\r
+ VmPtr->Gpr[3] = EbcContext.R3;\r
+ VmPtr->Gpr[4] = EbcContext.R4;\r
+ VmPtr->Gpr[5] = EbcContext.R5;\r
+ VmPtr->Gpr[6] = EbcContext.R6;\r
+ VmPtr->Gpr[7] = EbcContext.R7;\r
VmPtr->Ip = (VMIP)(UINTN)EbcContext.Ip;\r
VmPtr->Flags = EbcContext.Flags;\r
}\r
@retval Others Some error occurs when creating periodic event.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
InitializeEbcCallback (\r
@param SystemContext EBC system context.\r
\r
**/\r
-STATIC\r
VOID\r
EFIAPI\r
CommonEbcExceptionHandler (\r
IN EFI_SYSTEM_CONTEXT SystemContext\r
)\r
{\r
+ //\r
+ // We print debug information to let user know what happen.\r
+ //\r
+ DEBUG ((\r
+ EFI_D_ERROR,\r
+ "EBC Interrupter Version - 0x%016lx\n",\r
+ (UINT64) (((VM_MAJOR_VERSION & 0xFFFF) << 16) | ((VM_MINOR_VERSION & 0xFFFF)))\r
+ ));\r
+ DEBUG ((\r
+ EFI_D_ERROR,\r
+ "Exception Type - 0x%016lx\n",\r
+ (UINT64)(UINTN)InterruptType\r
+ ));\r
+ DEBUG ((\r
+ EFI_D_ERROR,\r
+ " R0 - 0x%016lx, R1 - 0x%016lx\n",\r
+ SystemContext.SystemContextEbc->R0,\r
+ SystemContext.SystemContextEbc->R1\r
+ ));\r
+ DEBUG ((\r
+ EFI_D_ERROR,\r
+ " R2 - 0x%016lx, R3 - 0x%016lx\n",\r
+ SystemContext.SystemContextEbc->R2,\r
+ SystemContext.SystemContextEbc->R3\r
+ ));\r
+ DEBUG ((\r
+ EFI_D_ERROR,\r
+ " R4 - 0x%016lx, R5 - 0x%016lx\n",\r
+ SystemContext.SystemContextEbc->R4,\r
+ SystemContext.SystemContextEbc->R5\r
+ ));\r
+ DEBUG ((\r
+ EFI_D_ERROR,\r
+ " R6 - 0x%016lx, R7 - 0x%016lx\n",\r
+ SystemContext.SystemContextEbc->R6,\r
+ SystemContext.SystemContextEbc->R7\r
+ ));\r
+ DEBUG ((\r
+ EFI_D_ERROR,\r
+ " Flags - 0x%016lx\n",\r
+ SystemContext.SystemContextEbc->Flags\r
+ ));\r
+ DEBUG ((\r
+ EFI_D_ERROR,\r
+ " ControlFlags - 0x%016lx\n",\r
+ SystemContext.SystemContextEbc->ControlFlags\r
+ ));\r
+ DEBUG ((\r
+ EFI_D_ERROR,\r
+ " Ip - 0x%016lx\n\n",\r
+ SystemContext.SystemContextEbc->Ip\r
+ ));\r
+\r
//\r
// We deadloop here to make it easy to debug this issue.\r
//\r
- ASSERT (FALSE);\r
+ CpuDeadLoop ();\r
\r
return ;\r
}\r
@param Context It should be the address of VM_CONTEXT pointer.\r
\r
**/\r
-STATIC\r
VOID\r
EFIAPI\r
EbcPeriodicNotifyFunction (\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcDebugPeriodic (\r
//\r
// Initialize the context structure\r
//\r
- EbcContext.R0 = VmPtr->R[0];\r
- EbcContext.R1 = VmPtr->R[1];\r
- EbcContext.R2 = VmPtr->R[2];\r
- EbcContext.R3 = VmPtr->R[3];\r
- EbcContext.R4 = VmPtr->R[4];\r
- EbcContext.R5 = VmPtr->R[5];\r
- EbcContext.R6 = VmPtr->R[6];\r
- EbcContext.R7 = VmPtr->R[7];\r
+ EbcContext.R0 = (UINT64) VmPtr->Gpr[0];\r
+ EbcContext.R1 = (UINT64) VmPtr->Gpr[1];\r
+ EbcContext.R2 = (UINT64) VmPtr->Gpr[2];\r
+ EbcContext.R3 = (UINT64) VmPtr->Gpr[3];\r
+ EbcContext.R4 = (UINT64) VmPtr->Gpr[4];\r
+ EbcContext.R5 = (UINT64) VmPtr->Gpr[5];\r
+ EbcContext.R6 = (UINT64) VmPtr->Gpr[6];\r
+ EbcContext.R7 = (UINT64) VmPtr->Gpr[7];\r
EbcContext.Ip = (UINT64)(UINTN)VmPtr->Ip;\r
EbcContext.Flags = VmPtr->Flags;\r
EbcContext.ControlFlags = 0;\r
//\r
// Restore the context structure and continue to execute\r
//\r
- VmPtr->R[0] = EbcContext.R0;\r
- VmPtr->R[1] = EbcContext.R1;\r
- VmPtr->R[2] = EbcContext.R2;\r
- VmPtr->R[3] = EbcContext.R3;\r
- VmPtr->R[4] = EbcContext.R4;\r
- VmPtr->R[5] = EbcContext.R5;\r
- VmPtr->R[6] = EbcContext.R6;\r
- VmPtr->R[7] = EbcContext.R7;\r
+ VmPtr->Gpr[0] = EbcContext.R0;\r
+ VmPtr->Gpr[1] = EbcContext.R1;\r
+ VmPtr->Gpr[2] = EbcContext.R2;\r
+ VmPtr->Gpr[3] = EbcContext.R3;\r
+ VmPtr->Gpr[4] = EbcContext.R4;\r
+ VmPtr->Gpr[5] = EbcContext.R5;\r
+ VmPtr->Gpr[6] = EbcContext.R6;\r
+ VmPtr->Gpr[7] = EbcContext.R7;\r
VmPtr->Ip = (VMIP)(UINTN)EbcContext.Ip;\r
VmPtr->Flags = EbcContext.Flags;\r
}\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcUnloadImage (\r
// Now free up the image list element\r
//\r
FreePool (ImageList);\r
+\r
+ EbcDebuggerHookEbcUnloadImage (ImageHandle);\r
+\r
return EFI_SUCCESS;\r
}\r
\r
\r
/**\r
Registers a callback function that the EBC interpreter calls to flush the\r
- processor instruction cache following creation of thunks. \r
+ processor instruction cache following creation of thunks.\r
\r
@param This A pointer to the EFI_EBC_PROTOCOL instance.\r
@param Flush Pointer to a function of type EBC_ICACH_FLUSH.\r
- \r
+\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcRegisterICacheFlush (\r
@param This A pointer to the EFI_EBC_PROTOCOL instance.\r
@param Version Pointer to where to store the returned version\r
of the interpreter.\r
- \r
+\r
@retval EFI_SUCCESS The function completed successfully.\r
@retval EFI_INVALID_PARAMETER Version pointer is NULL.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
EFIAPI\r
EbcGetVersion (\r
/**\r
Returns the stack index and buffer assosicated with the Handle parameter.\r
\r
- @param Handle The EFI handle as the index to the EBC stack. \r
+ @param Handle The EFI handle as the index to the EBC stack.\r
@param StackBuffer A pointer to hold the returned stack buffer.\r
@param BufferIndex A pointer to hold the returned stack index.\r
- \r
+\r
@retval EFI_OUT_OF_RESOURCES The Handle parameter does not correspond to any\r
existing EBC stack.\r
@retval EFI_SUCCESS The stack index and buffer were found and\r
}\r
\r
/**\r
- Returns from the EBC stack by stack Index. \r
- \r
+ Returns from the EBC stack by stack Index.\r
+\r
@param Index Specifies which EBC stack to return from.\r
- \r
+\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
}\r
\r
/**\r
- Returns from the EBC stack associated with the Handle parameter. \r
- \r
+ Returns from the EBC stack associated with the Handle parameter.\r
+\r
@param Handle Specifies the EFI handle to find the EBC stack with.\r
- \r
+\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
/**\r
Allocates memory to hold all the EBC stacks.\r
\r
- @retval EFI_SUCCESS The EBC stacks were allocated successfully. \r
+ @retval EFI_SUCCESS The EBC stacks were allocated successfully.\r
@retval EFI_OUT_OF_RESOURCES Not enough memory available for EBC stacks.\r
\r
**/\r
@retval EFI_SUCCESS The function completed successfully.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
InitEbcVmTestProtocol (\r
IN EFI_HANDLE *IHandle\r
// Publish the protocol\r
//\r
Handle = NULL;\r
- Status = gBS->InstallProtocolInterface (&Handle, &mEfiEbcVmTestProtocolGuid, EFI_NATIVE_INTERFACE, EbcVmTestProtocol);\r
+ Status = gBS->InstallProtocolInterface (&Handle, &gEfiEbcVmTestProtocolGuid, EFI_NATIVE_INTERFACE, EbcVmTestProtocol);\r
if (EFI_ERROR (Status)) {\r
FreePool (EbcVmTestProtocol);\r
}\r
\r
/**\r
Returns the EFI_UNSUPPORTED Status.\r
- \r
+\r
@return EFI_UNSUPPORTED This function always return EFI_UNSUPPORTED status.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
+EFIAPI\r
EbcVmTestUnsupported (\r
VOID\r
)\r
return EFI_UNSUPPORTED;\r
}\r
\r
+/**\r
+ Allocates a buffer of type EfiBootServicesCode.\r
+\r
+ @param AllocationSize The number of bytes to allocate.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
+\r
+**/\r
+VOID *\r
+EFIAPI\r
+EbcAllocatePoolForThunk (\r
+ IN UINTN AllocationSize\r
+ )\r
+{\r
+ VOID *Buffer;\r
+ EFI_STATUS Status;\r
+\r
+ Status = gBS->AllocatePool (EfiBootServicesCode, AllocationSize, &Buffer);\r
+ if (EFI_ERROR (Status)) {\r
+ return NULL;\r
+ }\r
+ return Buffer;\r
+}\r
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