MdeModulePkg/Core/Pei/Ipf/IpfCpuCore.s

   1 //++
   2 // Copyright (c) 2006, Intel Corporation
   3 // All rights reserved. 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 //    IpfCpuCore.s
  14 //
  15 //  Abstract:
  16 //    IPF Specific assembly routines
  17 //
  18 //--
  19
  20 .file  "IpfCpuCore.s"
  21
  22 #include  "IpfMacro.i"
  23 #include  "Ipf/IpfCpuCore.i"
  24
  25 //---------------------------------------------------------------------------------
  26 //++
  27 // GetHandOffStatus
  28 //
  29 // This routine is called by all processors simultaneously, to get some hand-off
  30 // status that has been captured by IPF dispatcher and recorded in kernel registers.
  31 //
  32 // Arguments :
  33 //
  34 // On Entry :  None.
  35 //
  36 // Return Value: Lid, R20Status.
  37 //
  38 //--
  39 //----------------------------------------------------------------------------------
  40 PROCEDURE_ENTRY (GetHandOffStatus)
  41
  42         NESTED_SETUP (0,2+0,0,0)
  43
  44         mov     r8 = ar.k6              // Health Status (Self test params)
  45         mov     r9 = ar.k4              // LID bits
  46         mov     r10 = ar.k3;;           // SAL_E entry state
  47         mov     r11 = ar.k1             // Return address to PAL
  48
  49         NESTED_RETURN
  50 PROCEDURE_EXIT (GetHandOffStatus)
  51 //----------------------------------------------------------------------------------
  52
  53