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Diffstat (limited to 'usr/src/common/acpica/utilities/uthex.c')
-rw-r--r-- | usr/src/common/acpica/utilities/uthex.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/usr/src/common/acpica/utilities/uthex.c b/usr/src/common/acpica/utilities/uthex.c new file mode 100644 index 0000000000..b93013b200 --- /dev/null +++ b/usr/src/common/acpica/utilities/uthex.c @@ -0,0 +1,111 @@ +/****************************************************************************** + * + * Module Name: uthex -- Hex/ASCII support functions + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2016, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include "acpi.h" +#include "accommon.h" + +#define _COMPONENT ACPI_COMPILER + ACPI_MODULE_NAME ("uthex") + + +/* Hex to ASCII conversion table */ + +static const char AcpiGbl_HexToAscii[] = +{ + '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F' +}; + + +/******************************************************************************* + * + * FUNCTION: AcpiUtHexToAsciiChar + * + * PARAMETERS: Integer - Contains the hex digit + * Position - bit position of the digit within the + * integer (multiple of 4) + * + * RETURN: The converted Ascii character + * + * DESCRIPTION: Convert a hex digit to an Ascii character + * + ******************************************************************************/ + +char +AcpiUtHexToAsciiChar ( + UINT64 Integer, + UINT32 Position) +{ + + return (AcpiGbl_HexToAscii[(Integer >> Position) & 0xF]); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtAsciiCharToHex + * + * PARAMETERS: HexChar - Hex character in Ascii + * + * RETURN: The binary value of the ascii/hex character + * + * DESCRIPTION: Perform ascii-to-hex translation + * + ******************************************************************************/ + +UINT8 +AcpiUtAsciiCharToHex ( + int HexChar) +{ + + if (HexChar <= 0x39) + { + return ((UINT8) (HexChar - 0x30)); + } + + if (HexChar <= 0x46) + { + return ((UINT8) (HexChar - 0x37)); + } + + return ((UINT8) (HexChar - 0x57)); +} |