summaryrefslogtreecommitdiffstats
path: root/MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbDisasm.h
blob: 43fa5f4b8b239360021ea1fb1d661ee416b9739d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
/** @file

Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent


**/

#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