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Add ESAL support libraries to MdePkg

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11784 6f19259b-4bc3-4df7-8a09-765794883524
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mdkinney
2011-06-10 18:58:08 +00:00
parent 31222776db
commit 863be5d010
24 changed files with 9871 additions and 2 deletions
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131
MdePkg/Library/DxeRuntimeExtendedSalLib/Ipf/AsmExtendedSalLib.s Normal file
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/// @file
/// Assembly procedures to get and set ESAL entry point.
///
/// Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
/// This program and the accompanying materials
/// are licensed and made available under the terms and conditions of the BSD License
/// which accompanies this distribution. The full text of the license may be found at
/// http://opensource.org/licenses/bsd-license.php.
///
/// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
/// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
///
.auto
.text
#include "IpfMacro.i"
//
// Exports
//
ASM_GLOBAL GetEsalEntryPoint
//-----------------------------------------------------------------------------
//++
// GetEsalEntryPoint
//
// Return Esal global and PSR register.
//
// On Entry :
//
//
// Return Value:
// r8 = EFI_SAL_SUCCESS
// r9 = Physical Plabel
// r10 = Virtual Plabel
// r11 = psr
//
// As per static calling conventions.
//
//--
//---------------------------------------------------------------------------
PROCEDURE_ENTRY (GetEsalEntryPoint)
NESTED_SETUP (0,8,0,0)
EsalCalcStart:
mov r8 = ip;;
add r8 = (EsalEntryPoint - EsalCalcStart), r8;;
mov r9 = r8;;
add r10 = 0x10, r8;;
mov r11 = psr;;
mov r8 = r0;;
NESTED_RETURN
PROCEDURE_EXIT (GetEsalEntryPoint)
//-----------------------------------------------------------------------------
//++
// SetEsalPhysicalEntryPoint
//
// Set the dispatcher entry point
//
// On Entry:
// in0 = Physical address of Esal Dispatcher
// in1 = Physical GP
//
// Return Value:
// r8 = EFI_SAL_SUCCESS
//
// As per static calling conventions.
//
//--
//---------------------------------------------------------------------------
PROCEDURE_ENTRY (SetEsalPhysicalEntryPoint)
NESTED_SETUP (2,8,0,0)
EsalCalcStart1:
mov r8 = ip;;
add r8 = (EsalEntryPoint - EsalCalcStart1), r8;;
st8 [r8] = in0;;
add r8 = 0x08, r8;;
st8 [r8] = in1;;
mov r8 = r0;;
NESTED_RETURN
PROCEDURE_EXIT (SetEsalPhysicalEntryPoint)
//-----------------------------------------------------------------------------
//++
// SetEsalVirtualEntryPoint
//
// Register physical address of Esal globals.
//
// On Entry :
// in0 = Virtual address of Esal Dispatcher
// in1 = Virtual GP
//
// Return Value:
// r8 = EFI_SAL_ERROR
//
// As per static calling conventions.
//
//--
//---------------------------------------------------------------------------
PROCEDURE_ENTRY (SetEsalVirtualEntryPoint)
NESTED_SETUP (2,8,0,0)
EsalCalcStart2:
mov r8 = ip;;
add r8 = (EsalEntryPoint - EsalCalcStart2), r8;;
add r8 = 0x10, r8;;
st8 [r8] = in0;;
add r8 = 0x08, r8;;
st8 [r8] = in1;;
mov r8 = r0;;
NESTED_RETURN
PROCEDURE_EXIT (SetEsalVirtualEntryPoint)
.align 32
EsalEntryPoint:
data8 0 // Physical Entry
data8 0 // GP
data8 0 // Virtual Entry
data8 0 // GP