mirror of https://github.com/acidanthera/audk.git
78 lines
2.1 KiB
ArmAsm
78 lines
2.1 KiB
ArmAsm
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//++
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// Copyright (c) 2007, 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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// HWAccess.s
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//
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// Abstract:
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//
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// Contains an implementation of Read/Write Kr7 for the Itanium-based architecture.
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//
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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 "HWAccess.s"
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#include "IpfMacro.i"
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//----------------------------------------------------------------------------------
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//++
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//VOID
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//AsmWriteKr7 (
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// UINT64
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// );
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//
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// This routine saves the given input value into the kernel register 7
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//
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// Arguments :
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//
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// On Entry : 64 bit value to be saved.
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//
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// Return Value: None
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//
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//--
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//----------------------------------------------------------------------------------
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PROCEDURE_ENTRY (AsmWriteKr7)
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NESTED_SETUP (1,2,0,0)
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mov ar.k7 = in0;;
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NESTED_RETURN
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PROCEDURE_EXIT (AsmWriteKr7)
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//---------------------------------------------------------------------------------
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//++
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//UINT64
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//AsmReadKr7 (
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// VOID
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// );
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//
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// This routine returns the value of the kernel register 7
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//
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// Arguments :
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//
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// On Entry : None
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//
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// Return Value: 64bit Value of the register.
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//
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//--
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//----------------------------------------------------------------------------------
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PROCEDURE_ENTRY (AsmReadKr7)
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NESTED_SETUP (0,2,0,0)
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mov r8 = ar.k7;;
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NESTED_RETURN
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PROCEDURE_EXIT (AsmReadKr7)
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//----------------------------------------------------------------------------------
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