MdeModulePkg/EbcDxe: add EBC Debugger

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Pete Batard <pete@akeo.ie>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbDisasm.h

@@ -0,0 +1,42 @@
+/*++
+
+Copyright (c) 2007, 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:
+
+  EdbDisasm.h
+
+Abstract:
+
+
+--*/
+
+#ifndef _EFI_EDB_DISASM_H_
+#define _EFI_EDB_DISASM_H_
+
+#include <Uefi.h>
+
+//
+// Definition for instruction OPCODE, MODIFIER, and OPERAND
+//
+#define GET_OPCODE(Addr)       (UINT8)((*(UINT8 *)(UINTN)(Addr)) & 0x3F)
+#define GET_MODIFIERS(Addr)    (UINT8)((*(UINT8 *)(UINTN)(Addr)) & 0xC0)
+#define GET_OPCODE_BYTE(Addr)  (UINT8)(*(UINT8 *)(UINTN)(Addr))
+#define GET_OPERANDS(Addr)     (UINT8)(*(UINT8 *)(UINTN)((Addr) + 1))
+
+typedef
+UINTN
+(* EDB_DISASM_INSTRUCTION) (
+  IN     EFI_PHYSICAL_ADDRESS      InstructionAddress,
+  IN     EFI_SYSTEM_CONTEXT        SystemContext,
+  OUT    CHAR16                    **DisAsmString
+  );
+
+#endif