diff options
Diffstat (limited to 'MdeModulePkg/Include/Protocol/EbcVmTest.h')
| -rw-r--r-- | MdeModulePkg/Include/Protocol/EbcVmTest.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Protocol/EbcVmTest.h b/MdeModulePkg/Include/Protocol/EbcVmTest.h new file mode 100644 index 0000000000..b84608357b --- /dev/null +++ b/MdeModulePkg/Include/Protocol/EbcVmTest.h @@ -0,0 +1,142 @@ +/** @file
+ EBC VM Test protocol for test purposes.
+
+Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
+
+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.
+
+**/
+
+#ifndef _EBC_VM_TEST_PROTOCOL_H_
+#define _EBC_VM_TEST_PROTOCOL_H_
+
+//
+// Define a protocol for an EBC VM test interface.
+//
+#define EFI_EBC_VM_TEST_PROTOCOL_GUID \
+ { \
+ 0xAAEACCFD, 0xF27B, 0x4C17, { 0xB6, 0x10, 0x75, 0xCA, 0x1F, 0x2D, 0xFB, 0x52 } \
+ }
+
+//
+// Define for forward reference.
+//
+typedef struct _EFI_EBC_VM_TEST_PROTOCOL EFI_EBC_VM_TEST_PROTOCOL;
+
+///
+/// instruction pointer for the VM
+///
+typedef UINT8 *VMIP;
+
+typedef INT64 VM_REGISTER;
+typedef UINT32 EXCEPTION_FLAGS;
+
+typedef struct {
+ VM_REGISTER Gpr[8]; ///< General purpose registers.
+ ///< Flags register:
+ ///< 0 Set to 1 if the result of the last compare was true
+ ///< 1 Set to 1 if stepping
+ UINT64 Flags; ///< 2..63 Reserved.
+ VMIP Ip; ///< Instruction pointer.
+ UINTN LastException;
+ EXCEPTION_FLAGS ExceptionFlags; ///< to keep track of exceptions
+ UINT32 StopFlags;
+ UINT32 CompilerVersion; ///< via break(6)
+ UINTN HighStackBottom; ///< bottom of the upper stack
+ UINTN LowStackTop; ///< top of the lower stack
+ UINT64 StackRetAddr; ///< location of final return address on stack
+ UINTN *StackMagicPtr; ///< pointer to magic value on stack to detect corruption
+ EFI_HANDLE ImageHandle; ///< for this EBC driver
+ EFI_SYSTEM_TABLE *SystemTable; ///< for debugging only
+ UINTN LastAddrConverted; ///< for debug
+ UINTN LastAddrConvertedValue; ///< for debug
+ VOID *FramePtr;
+ VOID *EntryPoint; ///< entry point of EBC image
+ UINTN ImageBase;
+ VOID *StackPool;
+ VOID *StackTop;
+} VM_CONTEXT;
+
+/**
+ Given a pointer to a new VM context, execute one or more instructions. This
+ function is only used for test purposes.
+
+ @param[in] This A pointer to the EFI_EBC_VM_TEST_PROTOCOL structure.
+ @param[in] VmPtr A pointer to a VM context.
+ @param[in, out] InstructionCount A pointer to a UINTN value holding the number of
+ instructions to execute. If it holds value of 0,
+ then the instruction to be executed is 1.
+
+ @retval EFI_UNSUPPORTED At least one of the opcodes is not supported.
+ @retval EFI_SUCCESS All of the instructions are executed successfully.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EBC_VM_TEST_EXECUTE) (
+ IN EFI_EBC_VM_TEST_PROTOCOL *This,
+ IN VM_CONTEXT *VmPtr,
+ IN OUT UINTN *InstructionCount
+ );
+
+/**
+ Convert AsmText to the instruction. This function is only used for test purposes.
+
+ @param[in] This A pointer to the EFI_EBC_VM_TEST_PROTOCOL structure.
+ @param[in] AsmText A pointer to EBC ASM text code.
+ @param[out] Buffer Buffer to store the instruction.
+ @param[out] BufferLen Size of buffer that is requried to store data.
+
+ @retval EFI_UNSUPPORTED This functionality is unsupported.
+ @retval EFI_SUCCESS Successfully convert AsmText to the instruction.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EBC_VM_TEST_ASM) (
+ IN EFI_EBC_VM_TEST_PROTOCOL *This,
+ IN CHAR16 *AsmText,
+ IN OUT INT8 *Buffer,
+ IN OUT UINTN *BufferLen
+ );
+
+/**
+ Dump the executed instruction. This function is only used for test purposes.
+
+ @param[in] This A pointer to the EFI_EBC_VM_TEST_PROTOCOL structure.
+ @param[out] AsmText Contain the disasm text.
+ @param[out] Buffer Buffer to store the instruction.
+ @param[out] BufferLen Size of buffer that is requried to store data.
+
+ @retval EFI_UNSUPPORTED This functionality is unsupported.
+ @retval EFI_SUCCESS Successfully dump the executed instruction.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EBC_VM_TEST_DASM) (
+ IN EFI_EBC_VM_TEST_PROTOCOL *This,
+ IN OUT CHAR16 *AsmText,
+ IN OUT INT8 *Buffer,
+ IN OUT UINTN *Len
+ );
+
+//
+// Prototype for the actual EBC test protocol interface
+//
+struct _EFI_EBC_VM_TEST_PROTOCOL {
+ EBC_VM_TEST_EXECUTE Execute;
+ EBC_VM_TEST_ASM Assemble;
+ EBC_VM_TEST_DASM Disassemble;
+};
+
+extern EFI_GUID gEfiEbcVmTestProtocolGuid;
+
+#endif
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