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
42