mirror of https://github.com/acidanthera/audk.git
150 lines
3.5 KiB
ArmAsm
150 lines
3.5 KiB
ArmAsm
|
//++
|
||
|
|
// Copyright (c) 2006, Intel Corporation
|
||
|
|
// All rights reserved. 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.
|
||
|
|
//
|
||
|
|
// Module Name:
|
||
|
|
//
|
||
|
|
// EsalLib.s
|
||
|
|
//
|
||
|
|
// Abstract:
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Revision History:
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
|
||
|
|
.file "EsalLib.s"
|
||
|
|
|
||
|
|
#include "IpfMacro.i"
|
||
|
|
|
||
|
|
//
|
||
|
|
// Exports
|
||
|
|
//
|
||
|
|
.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
|
||
|
|
|
||
|
|
|