EdkCompatibilityPkg/Foundation/Include/Ipf/IpfMacro.i

   1 //++
   2 // Copyright (c) 2004, Intel Corporation. All rights reserved.<BR>
   3 // This program and the accompanying materials
   4 // are licensed and made available under the terms and conditions of the BSD License
   5 // which accompanies this distribution.  The full text of the license may be found at
   6 // http://opensource.org/licenses/bsd-license.php
   7 //
   8 // THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
   9 // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  10 //
  11 // Module Name:
  12 //
  13 //  IpfMacro.i
  14 //
  15 // Abstract:
  16 //
  17 //  Contains the macros needed for calling procedures in Itanium-based assembly code.
  18 //
  19 //
  20 // Revision History:
  21 //
  22 //--
  23
  24 #ifndef  _IA64PROC_I
  25 #define  _IA64PROC_I
  26
  27
  28 #define PROCEDURE_ENTRY(name)   .##text;            \
  29                                 .##type name, @function;    \
  30                                 .##proc name;           \
  31 name::
  32
  33 #define PROCEDURE_EXIT(name)    .##endp name
  34
  35 // Note: use of NESTED_SETUP requires number of locals (l) >= 3
  36
  37 #define NESTED_SETUP(i,l,o,r) \
  38          alloc loc1=ar##.##pfs,i,l,o,r ;\
  39          mov loc0=b0
  40
  41 #define NESTED_RETURN \
  42          mov b0=loc0 ;\
  43          mov ar##.##pfs=loc1 ;;\
  44          br##.##ret##.##dpnt  b0;;
  45
  46
  47 #define INTERRUPT_HANDLER_BEGIN(name) \
  48 PROCEDURE_ENTRY(name##HandlerBegin) \
  49 ;; \
  50 PROCEDURE_EXIT(name##HandlerBegin)
  51
  52 #define INTERRUPT_HANDLER_END(name) \
  53 PROCEDURE_ENTRY(name##HandlerEnd) \
  54 ;; \
  55 PROCEDURE_EXIT(name##HandlerEnd)
  56
  57
  58 #define INTERRUPT_HANDLER_BLOCK_BEGIN \
  59 INTERRUPT_HANDLER_BEGIN(First)
  60
  61 #define INTERRUPT_HANDLER_BLOCK_END \
  62 INTERRUPT_HANDLER_END(Last)
  63
  64
  65
  66 #endif  // _IA64PROC_I