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* DESCRIPTION: Convert a typed and tokenized string to a union acpi_object. Typing:// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0/******************************************************************************* * * Module Name: dbconvert - debugger miscellaneous conversion routines * ******************************************************************************/ACPI_MODULE_NAME("dbconvert")/******************************************************************************* * * FUNCTION: acpi_db_hex_char_to_value * * PARAMETERS: hex_char - Ascii Hex digit, 0-9|a-f|A-F * return_value - Where the converted value is returned * * RETURN: Status * * DESCRIPTION: Convert a single hex character to a 4-bit number (0-16). * ******************************************************************************/acpi_status acpi_db_hex_char_to_value(int hex_char, u8 *return_value){ u8 value; /* Digit must be ascii [0-9a-fA-F] */ if (!isxdigit(hex_char)) { return (AE_BAD_HEX_CONSTANT); } if (hex_char <= 0x39) { value = (u8)(hex_char - 0x30); } else { value = (u8)(toupper(hex_char) - 0x37); } *return_value = value; return (AE_OK);}/******************************************************************************* * * FUNCTION: acpi_db_hex_byte_to_binary * * PARAMETERS: hex_byte - Double hex digit (0x00 - 0xFF) in format: * hi_byte then lo_byte. * return_value - Where the converted value is returned * * RETURN: Status * * DESCRIPTION: Convert two hex characters to an 8 bit number (0 - 255). * ******************************************************************************/static acpi_status acpi_db_hex_byte_to_binary(char *hex_byte, u8 *return_value){ u8 local0; u8 local1; acpi_status status; /* High byte */ status = acpi_db_hex_char_to_value(hex_byte[0], &local0); if (ACPI_FAILURE(status)) { return (status); } /* Low byte */ status = acpi_db_hex_char_to_value(hex_byte[1], &local1); if (ACPI_FAILURE(status)) { return (status); } *return_value = (u8)((local0 << 4) | local1); return (AE_OK);}/******************************************************************************* * * FUNCTION: acpi_db_convert_to_buffer * * PARAMETERS: string - Input string to be converted * object - Where the buffer object is returned *