OldMdePkg/Library/PeiServicesTablePointerLibKr1/Ipf/ReadKr1.s

   1 //++
   2 //
   3 // Copyright (c) 2006 Intel Corporation. All rights reserved
   4 // This software and associated documentation (if any) is furnished
   5 // under a license and may only be used or copied in accordance
   6 // with the terms of the license. Except as permitted by such
   7 // license, no part of this software or documentation may be
   8 // reproduced, stored in a retrieval system, or transmitted in any
   9 // form or by any means without the express written consent of
  10 // Intel Corporation.
  11 //
  12 //
  13 // Module Name:
  14 //
  15 //   ReadKr1.s
  16 //
  17 // Abstract:
  18 //
  19 //   Contains assembly code for read Kr1.
  20 //
  21 //--
  22
  23   .file  "ReadKr1.s"
  24
  25 #include  "IpfMacro.i"
  26
  27 //---------------------------------------------------------------------------------
  28 //++
  29 // AsmReadKr1
  30 //
  31 // This routine is used to get KR1. KR1 is used to store Pei Service Table
  32 // Pointer in archeture.
  33 //
  34 // Arguments :
  35 //
  36 // On Entry :  None.
  37 //
  38 // Return Value: Pei Services Table.
  39 //
  40 //--
  41 //----------------------------------------------------------------------------------
  42 PROCEDURE_ENTRY (AsmReadKr1)
  43
  44         mov             r8 = ar.k1;;  // Pei Services Table Pointer
  45         br.ret.dpnt     b0;;
  46
  47 PROCEDURE_EXIT (AsmReadKr1)