EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/PeiServicesTablePointerLibKr1/Ipf/ReadKr1.s

   1 // Copyright (c) 2006, Intel Corporation
   2 // All rights reserved. This program and the accompanying materials
   3 // are licensed and made available under the terms and conditions of the BSD License
   4 // which accompanies this distribution.  The full text of the license may be found at
   5 // http://opensource.org/licenses/bsd-license.php
   6 //
   7 // THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
   8 // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
   9 //
  10 // Module Name:
  11 //
  12 //   ReadKr1.s
  13 //
  14 // Abstract:
  15 //
  16 //   Contains assembly code for read Kr1.
  17 //
  18 //--
  19
  20   .file  "ReadKr1.s"
  21
  22 #include  "IpfMacro.i"
  23
  24 //---------------------------------------------------------------------------------
  25 //++
  26 // AsmReadKr1
  27 //
  28 // This routine is used to get KR1. KR1 is used to store Pei Service Table
  29 // Pointer in archeture.
  30 //
  31 // Arguments :
  32 //
  33 // On Entry :  None.
  34 //
  35 // Return Value: Pei Services Table.
  36 //
  37 //--
  38 //----------------------------------------------------------------------------------
  39 PROCEDURE_ENTRY (AsmReadKr1)
  40
  41         mov             r8 = ar.k1;;  // Pei Services Table Pointer
  42         br.ret.dpnt     b0;;
  43
  44 PROCEDURE_EXIT (AsmReadKr1)