| 0,0 → 1,100 |
|---|
| /****************************************************************************** |
| * |
| * Module Name: uthex -- Hex/ASCII support functions |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2015, 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/acpi.h> |
| #include "accommon.h" |
| |
| #define _COMPONENT ACPI_COMPILER |
| ACPI_MODULE_NAME("uthex") |
| |
| /* Hex to ASCII conversion table */ |
| static char acpi_gbl_hex_to_ascii[] = { |
| '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', |
| 'E', 'F' |
| }; |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ut_hex_to_ascii_char |
| * |
| * 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 acpi_ut_hex_to_ascii_char(u64 integer, u32 position) |
| { |
| |
| return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]); |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ut_ascii_char_to_hex |
| * |
| * PARAMETERS: hex_char - Hex character in Ascii |
| * |
| * RETURN: The binary value of the ascii/hex character |
| * |
| * DESCRIPTION: Perform ascii-to-hex translation |
| * |
| ******************************************************************************/ |
| |
| u8 acpi_ut_ascii_char_to_hex(int hex_char) |
| { |
| |
| if (hex_char <= 0x39) { |
| return ((u8)(hex_char - 0x30)); |
| } |
| |
| if (hex_char <= 0x46) { |
| return ((u8)(hex_char - 0x37)); |
| } |
| |
| return ((u8)(hex_char - 0x57)); |
| } |