MdeModulePkg/Universal/EbcDxe/Ipf/EbcSupport.h

   1 /** @file
   2   Definition of EBC Support function.
   3
   4 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
   5 This program and the accompanying materials
   6 are licensed and made available under the terms and conditions of the BSD License
   7 which accompanies this distribution.  The full text of the license may be found at
   8 http://opensource.org/licenses/bsd-license.php
   9
  10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #ifndef _IPF_EBC_SUPPORT_H_
  16 #define _IPF_EBC_SUPPORT_H_
  17
  18 #define VM_STACK_SIZE   (1024 * 32)
  19
  20 #define EBC_THUNK_SIZE  128
  21 #define STACK_REMAIN_SIZE (1024 * 4)
  22
  23 //
  24 // For code execution, thunks must be aligned on 16-byte boundary
  25 //
  26 #define EBC_THUNK_ALIGNMENT 16
  27
  28 //
  29 // Opcodes for IPF instructions. We'll need to hand-create thunk code (stuffing
  30 // bits) to insert a jump to the interpreter.
  31 //
  32 #define OPCODE_NOP              (UINT64) 0x00008000000
  33 #define OPCODE_BR_COND_SPTK_FEW (UINT64) 0x00100000000
  34 #define OPCODE_MOV_BX_RX        (UINT64) 0x00E00100000
  35
  36 //
  37 // Opcode for MOVL instruction
  38 //
  39 #define MOVL_OPCODE 0x06
  40
  41 #endif