mirror of https://github.com/acidanthera/audk.git
93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
/** @file
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Internal Function and Macro defintions for IFR Expression evaluation used in Ifr Parsing. This header file should only
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be included by UefiIfrParserExpression.c and UefiIfrParser.c
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Copyright (c) 2008 - 2010, 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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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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#ifndef _HII_THUNK_UEFI_IFR_PARSER_EXPRESSION_
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#define _HII_THUNK_UEFI_IFR_PARSER_EXPRESSION_
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/**
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Reset stack pointer to begin of the stack.
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**/
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VOID
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ResetScopeStack (
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VOID
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);
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/**
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Push an Operand onto the Stack
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@param Operand Operand to push.
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@retval EFI_SUCCESS The value was pushed onto the stack.
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@retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the
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stack.
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**/
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EFI_STATUS
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PushScope (
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IN UINT8 Operand
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);
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/**
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Pop an Operand from the Stack
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@param Operand Operand to pop.
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@retval EFI_SUCCESS The value was pushed onto the stack.
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@retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the
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stack.
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**/
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EFI_STATUS
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PopScope (
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OUT UINT8 *Operand
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);
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/**
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Zero extend integer/boolean/date/time to UINT64 for comparing.
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@param Value HII Value to be converted.
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@return None.
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**/
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VOID
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ExtendValueToU64 (
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IN EFI_HII_VALUE *Value
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);
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/**
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Compare two Hii value.
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@param Value1 Expression value to compare on left-hand
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@param Value2 Expression value to compare on right-hand
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@param HiiHandle Only required for string compare
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@retval EFI_INVALID_PARAMETER Could not perform comparation on two values
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@retval 0 Two operators equeal
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@retval 0 Value1 is greater than Value2
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@retval 0 Value1 is less than Value2
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**/
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INTN
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CompareHiiValue (
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IN EFI_HII_VALUE *Value1,
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IN EFI_HII_VALUE *Value2,
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IN EFI_HII_HANDLE HiiHandle OPTIONAL
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);
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#endif
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