mirror of https://github.com/acidanthera/audk.git
150 lines
3.5 KiB
ArmAsm
150 lines
3.5 KiB
ArmAsm
//++
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// Copyright (c) 2006, Intel Corporation
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// All rights reserved. This program and the accompanying materials
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// are licensed and made available under the terms and conditions of the BSD License
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// which accompanies this distribution. The full text of the license may be found at
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// http://opensource.org/licenses/bsd-license.php
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//
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// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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//
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// Module Name:
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//
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// EsalLib.s
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//
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// Abstract:
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//
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//
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// Revision History:
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//
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//--
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.file "EsalLib.s"
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#include "IpfMacro.i"
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//
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// Exports
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//
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.globl GetEsalEntryPoint
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//-----------------------------------------------------------------------------
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//++
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// GetEsalEntryPoint
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//
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// Return Esal global and PSR register.
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//
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// On Entry :
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//
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//
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// Return Value:
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// r8 = EFI_SAL_SUCCESS
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// r9 = Physical Plabel
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// r10 = Virtual Plabel
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// r11 = psr
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//
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// As per static calling conventions.
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//
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//--
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//---------------------------------------------------------------------------
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PROCEDURE_ENTRY (GetEsalEntryPoint)
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NESTED_SETUP (0,8,0,0)
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EsalCalcStart:
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mov r8 = ip;;
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add r8 = (EsalEntryPoint - EsalCalcStart), r8;;
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mov r9 = r8;;
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add r10 = 0x10, r8;;
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mov r11 = psr;;
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mov r8 = r0;;
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NESTED_RETURN
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PROCEDURE_EXIT (GetEsalEntryPoint)
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//-----------------------------------------------------------------------------
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//++
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// SetEsalPhysicalEntryPoint
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//
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// Set the dispatcher entry point
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//
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// On Entry:
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// in0 = Physical address of Esal Dispatcher
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// in1 = Physical GP
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//
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// Return Value:
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// r8 = EFI_SAL_SUCCESS
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//
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// As per static calling conventions.
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//
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//--
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//---------------------------------------------------------------------------
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PROCEDURE_ENTRY (SetEsalPhysicalEntryPoint)
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NESTED_SETUP (2,8,0,0)
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EsalCalcStart1:
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mov r8 = ip;;
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add r8 = (EsalEntryPoint - EsalCalcStart1), r8;;
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st8 [r8] = in0;;
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add r8 = 0x08, r8;;
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st8 [r8] = in1;;
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mov r8 = r0;;
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NESTED_RETURN
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PROCEDURE_EXIT (SetEsalPhysicalEntryPoint)
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//-----------------------------------------------------------------------------
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//++
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// SetEsalVirtualEntryPoint
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//
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// Register physical address of Esal globals.
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//
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// On Entry :
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// in0 = Virtual address of Esal Dispatcher
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// in1 = Virtual GP
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//
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// Return Value:
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// r8 = EFI_SAL_ERROR
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//
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// As per static calling conventions.
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//
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//--
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//---------------------------------------------------------------------------
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PROCEDURE_ENTRY (SetEsalVirtualEntryPoint)
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NESTED_SETUP (2,8,0,0)
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EsalCalcStart2:
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mov r8 = ip;;
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add r8 = (EsalEntryPoint - EsalCalcStart2), r8;;
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add r8 = 0x10, r8;;
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st8 [r8] = in0;;
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add r8 = 0x08, r8;;
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st8 [r8] = in1;;
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mov r8 = r0;;
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NESTED_RETURN
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PROCEDURE_EXIT (SetEsalVirtualEntryPoint)
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.align 32
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EsalEntryPoint:
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data8 0 // Physical Entry
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data8 0 // GP
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data8 0 // Virtual Entry
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data8 0 // GP
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