EdkModulePkg/Universal/Ebc/Dxe/Ipf/EbcSupport.h

   1 /*++
   2
   3 Copyright (c) 2006, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   EbcSupport.h
  15
  16 Abstract:
  17
  18   Definition of EBC Support function
  19
  20 Revision History
  21
  22 --*/
  23
  24 #ifndef _IPF_EBC_SUPPORT_H_
  25 #define _IPF_EBC_SUPPORT_H_
  26
  27 #define VM_STACK_SIZE   (1024 * 32)
  28
  29 #define EBC_THUNK_SIZE  128
  30
  31 //
  32 // For code execution, thunks must be aligned on 16-byte boundary
  33 //
  34 #define EBC_THUNK_ALIGNMENT 16
  35
  36 //
  37 // Opcodes for IPF instructions. We'll need to hand-create thunk code (stuffing
  38 // bits) to insert a jump to the interpreter.
  39 //
  40 #define OPCODE_NOP              (UINT64) 0x00008000000
  41 #define OPCODE_BR_COND_SPTK_FEW (UINT64) 0x00100000000
  42 #define OPCODE_MOV_BX_RX        (UINT64) 0x00E00100000
  43
  44 //
  45 // Opcode for MOVL instruction
  46 //
  47 #define MOVL_OPCODE 0x06
  48
  49 VOID
  50 EbcAsmLLCALLEX (
  51   IN UINTN    CallAddr,
  52   IN UINTN    EbcSp
  53   );
  54
  55 #endif