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453 lines
13 KiB
453 lines
13 KiB
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 |
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/******************************************************************************* |
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* |
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* Module Name: dbconvert - debugger miscellaneous conversion routines |
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* |
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******************************************************************************/ |
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#include <acpi/acpi.h> |
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#include "accommon.h" |
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#include "acdebug.h" |
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#define _COMPONENT ACPI_CA_DEBUGGER |
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ACPI_MODULE_NAME("dbconvert") |
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#define DB_DEFAULT_PKG_ELEMENTS 33 |
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/******************************************************************************* |
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* |
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* FUNCTION: acpi_db_hex_char_to_value |
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* |
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* PARAMETERS: hex_char - Ascii Hex digit, 0-9|a-f|A-F |
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* return_value - Where the converted value is returned |
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* |
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* RETURN: Status |
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* |
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* DESCRIPTION: Convert a single hex character to a 4-bit number (0-16). |
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* |
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******************************************************************************/ |
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acpi_status acpi_db_hex_char_to_value(int hex_char, u8 *return_value) |
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{ |
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u8 value; |
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/* Digit must be ascii [0-9a-fA-F] */ |
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if (!isxdigit(hex_char)) { |
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return (AE_BAD_HEX_CONSTANT); |
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} |
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if (hex_char <= 0x39) { |
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value = (u8)(hex_char - 0x30); |
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} else { |
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value = (u8)(toupper(hex_char) - 0x37); |
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} |
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*return_value = value; |
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return (AE_OK); |
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} |
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/******************************************************************************* |
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* |
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* FUNCTION: acpi_db_hex_byte_to_binary |
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* |
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* PARAMETERS: hex_byte - Double hex digit (0x00 - 0xFF) in format: |
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* hi_byte then lo_byte. |
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* return_value - Where the converted value is returned |
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* |
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* RETURN: Status |
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* |
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* DESCRIPTION: Convert two hex characters to an 8 bit number (0 - 255). |
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* |
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******************************************************************************/ |
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static acpi_status acpi_db_hex_byte_to_binary(char *hex_byte, u8 *return_value) |
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{ |
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u8 local0; |
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u8 local1; |
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acpi_status status; |
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/* High byte */ |
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status = acpi_db_hex_char_to_value(hex_byte[0], &local0); |
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if (ACPI_FAILURE(status)) { |
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return (status); |
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} |
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/* Low byte */ |
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status = acpi_db_hex_char_to_value(hex_byte[1], &local1); |
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if (ACPI_FAILURE(status)) { |
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return (status); |
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} |
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*return_value = (u8)((local0 << 4) | local1); |
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return (AE_OK); |
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} |
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/******************************************************************************* |
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* |
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* FUNCTION: acpi_db_convert_to_buffer |
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* |
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* PARAMETERS: string - Input string to be converted |
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* object - Where the buffer object is returned |
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* |
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* RETURN: Status |
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* |
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* DESCRIPTION: Convert a string to a buffer object. String is treated a list |
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* of buffer elements, each separated by a space or comma. |
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* |
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******************************************************************************/ |
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static acpi_status |
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acpi_db_convert_to_buffer(char *string, union acpi_object *object) |
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{ |
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u32 i; |
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u32 j; |
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u32 length; |
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u8 *buffer; |
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acpi_status status; |
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/* Skip all preceding white space */ |
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acpi_ut_remove_whitespace(&string); |
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/* Generate the final buffer length */ |
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for (i = 0, length = 0; string[i];) { |
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i += 2; |
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length++; |
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while (string[i] && ((string[i] == ',') || (string[i] == ' '))) { |
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i++; |
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} |
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} |
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buffer = ACPI_ALLOCATE(length); |
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if (!buffer) { |
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return (AE_NO_MEMORY); |
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} |
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/* Convert the command line bytes to the buffer */ |
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for (i = 0, j = 0; string[i];) { |
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status = acpi_db_hex_byte_to_binary(&string[i], &buffer[j]); |
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if (ACPI_FAILURE(status)) { |
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ACPI_FREE(buffer); |
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return (status); |
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} |
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j++; |
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i += 2; |
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while (string[i] && ((string[i] == ',') || (string[i] == ' '))) { |
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i++; |
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} |
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} |
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object->type = ACPI_TYPE_BUFFER; |
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object->buffer.pointer = buffer; |
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object->buffer.length = length; |
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return (AE_OK); |
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} |
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/******************************************************************************* |
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* |
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* FUNCTION: acpi_db_convert_to_package |
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* |
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* PARAMETERS: string - Input string to be converted |
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* object - Where the package object is returned |
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* |
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* RETURN: Status |
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* |
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* DESCRIPTION: Convert a string to a package object. Handles nested packages |
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* via recursion with acpi_db_convert_to_object. |
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* |
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******************************************************************************/ |
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acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object) |
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{ |
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char *this; |
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char *next; |
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u32 i; |
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acpi_object_type type; |
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union acpi_object *elements; |
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acpi_status status; |
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elements = |
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ACPI_ALLOCATE_ZEROED(DB_DEFAULT_PKG_ELEMENTS * |
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sizeof(union acpi_object)); |
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this = string; |
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for (i = 0; i < (DB_DEFAULT_PKG_ELEMENTS - 1); i++) { |
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this = acpi_db_get_next_token(this, &next, &type); |
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if (!this) { |
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break; |
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} |
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/* Recursive call to convert each package element */ |
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status = acpi_db_convert_to_object(type, this, &elements[i]); |
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if (ACPI_FAILURE(status)) { |
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acpi_db_delete_objects(i + 1, elements); |
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ACPI_FREE(elements); |
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return (status); |
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} |
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this = next; |
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} |
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object->type = ACPI_TYPE_PACKAGE; |
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object->package.count = i; |
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object->package.elements = elements; |
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return (AE_OK); |
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} |
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/******************************************************************************* |
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* |
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* FUNCTION: acpi_db_convert_to_object |
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* |
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* PARAMETERS: type - Object type as determined by parser |
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* string - Input string to be converted |
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* object - Where the new object is returned |
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* |
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* RETURN: Status |
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* |
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* DESCRIPTION: Convert a typed and tokenized string to a union acpi_object. Typing: |
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* 1) String objects were surrounded by quotes. |
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* 2) Buffer objects were surrounded by parentheses. |
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* 3) Package objects were surrounded by brackets "[]". |
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* 4) All standalone tokens are treated as integers. |
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* |
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******************************************************************************/ |
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acpi_status |
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acpi_db_convert_to_object(acpi_object_type type, |
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char *string, union acpi_object *object) |
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{ |
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acpi_status status = AE_OK; |
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switch (type) { |
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case ACPI_TYPE_STRING: |
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object->type = ACPI_TYPE_STRING; |
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object->string.pointer = string; |
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object->string.length = (u32)strlen(string); |
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break; |
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case ACPI_TYPE_BUFFER: |
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status = acpi_db_convert_to_buffer(string, object); |
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break; |
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case ACPI_TYPE_PACKAGE: |
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status = acpi_db_convert_to_package(string, object); |
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break; |
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default: |
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object->type = ACPI_TYPE_INTEGER; |
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status = acpi_ut_strtoul64(string, &object->integer.value); |
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break; |
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} |
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return (status); |
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} |
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/******************************************************************************* |
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* |
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* FUNCTION: acpi_db_encode_pld_buffer |
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* |
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* PARAMETERS: pld_info - _PLD buffer struct (Using local struct) |
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* |
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* RETURN: Encode _PLD buffer suitable for return value from _PLD |
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* |
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* DESCRIPTION: Bit-packs a _PLD buffer struct. Used to test the _PLD macros |
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* |
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******************************************************************************/ |
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u8 *acpi_db_encode_pld_buffer(struct acpi_pld_info *pld_info) |
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{ |
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u32 *buffer; |
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u32 dword; |
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buffer = ACPI_ALLOCATE_ZEROED(ACPI_PLD_BUFFER_SIZE); |
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if (!buffer) { |
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return (NULL); |
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} |
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/* First 32 bits */ |
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dword = 0; |
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ACPI_PLD_SET_REVISION(&dword, pld_info->revision); |
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ACPI_PLD_SET_IGNORE_COLOR(&dword, pld_info->ignore_color); |
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ACPI_PLD_SET_RED(&dword, pld_info->red); |
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ACPI_PLD_SET_GREEN(&dword, pld_info->green); |
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ACPI_PLD_SET_BLUE(&dword, pld_info->blue); |
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ACPI_MOVE_32_TO_32(&buffer[0], &dword); |
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/* Second 32 bits */ |
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dword = 0; |
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ACPI_PLD_SET_WIDTH(&dword, pld_info->width); |
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ACPI_PLD_SET_HEIGHT(&dword, pld_info->height); |
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ACPI_MOVE_32_TO_32(&buffer[1], &dword); |
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/* Third 32 bits */ |
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dword = 0; |
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ACPI_PLD_SET_USER_VISIBLE(&dword, pld_info->user_visible); |
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ACPI_PLD_SET_DOCK(&dword, pld_info->dock); |
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ACPI_PLD_SET_LID(&dword, pld_info->lid); |
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ACPI_PLD_SET_PANEL(&dword, pld_info->panel); |
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ACPI_PLD_SET_VERTICAL(&dword, pld_info->vertical_position); |
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ACPI_PLD_SET_HORIZONTAL(&dword, pld_info->horizontal_position); |
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ACPI_PLD_SET_SHAPE(&dword, pld_info->shape); |
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ACPI_PLD_SET_ORIENTATION(&dword, pld_info->group_orientation); |
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ACPI_PLD_SET_TOKEN(&dword, pld_info->group_token); |
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ACPI_PLD_SET_POSITION(&dword, pld_info->group_position); |
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ACPI_PLD_SET_BAY(&dword, pld_info->bay); |
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ACPI_MOVE_32_TO_32(&buffer[2], &dword); |
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/* Fourth 32 bits */ |
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dword = 0; |
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ACPI_PLD_SET_EJECTABLE(&dword, pld_info->ejectable); |
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ACPI_PLD_SET_OSPM_EJECT(&dword, pld_info->ospm_eject_required); |
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ACPI_PLD_SET_CABINET(&dword, pld_info->cabinet_number); |
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ACPI_PLD_SET_CARD_CAGE(&dword, pld_info->card_cage_number); |
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ACPI_PLD_SET_REFERENCE(&dword, pld_info->reference); |
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ACPI_PLD_SET_ROTATION(&dword, pld_info->rotation); |
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ACPI_PLD_SET_ORDER(&dword, pld_info->order); |
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ACPI_MOVE_32_TO_32(&buffer[3], &dword); |
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if (pld_info->revision >= 2) { |
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/* Fifth 32 bits */ |
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dword = 0; |
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ACPI_PLD_SET_VERT_OFFSET(&dword, pld_info->vertical_offset); |
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ACPI_PLD_SET_HORIZ_OFFSET(&dword, pld_info->horizontal_offset); |
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ACPI_MOVE_32_TO_32(&buffer[4], &dword); |
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} |
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return (ACPI_CAST_PTR(u8, buffer)); |
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} |
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/******************************************************************************* |
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* |
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* FUNCTION: acpi_db_dump_pld_buffer |
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* |
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* PARAMETERS: obj_desc - Object returned from _PLD method |
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* |
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* RETURN: None. |
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* |
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* DESCRIPTION: Dumps formatted contents of a _PLD return buffer. |
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* |
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******************************************************************************/ |
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#define ACPI_PLD_OUTPUT "%20s : %-6X\n" |
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void acpi_db_dump_pld_buffer(union acpi_object *obj_desc) |
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{ |
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union acpi_object *buffer_desc; |
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struct acpi_pld_info *pld_info; |
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u8 *new_buffer; |
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acpi_status status; |
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/* Object must be of type Package with at least one Buffer element */ |
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if (obj_desc->type != ACPI_TYPE_PACKAGE) { |
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return; |
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} |
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buffer_desc = &obj_desc->package.elements[0]; |
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if (buffer_desc->type != ACPI_TYPE_BUFFER) { |
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return; |
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} |
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/* Convert _PLD buffer to local _PLD struct */ |
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status = acpi_decode_pld_buffer(buffer_desc->buffer.pointer, |
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buffer_desc->buffer.length, &pld_info); |
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if (ACPI_FAILURE(status)) { |
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return; |
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} |
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/* Encode local _PLD struct back to a _PLD buffer */ |
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new_buffer = acpi_db_encode_pld_buffer(pld_info); |
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if (!new_buffer) { |
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goto exit; |
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} |
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/* The two bit-packed buffers should match */ |
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if (memcmp(new_buffer, buffer_desc->buffer.pointer, |
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buffer_desc->buffer.length)) { |
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acpi_os_printf |
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("Converted _PLD buffer does not compare. New:\n"); |
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acpi_ut_dump_buffer(new_buffer, |
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buffer_desc->buffer.length, DB_BYTE_DISPLAY, |
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0); |
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} |
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/* First 32-bit dword */ |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Revision", pld_info->revision); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_IgnoreColor", |
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pld_info->ignore_color); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Red", pld_info->red); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Green", pld_info->green); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Blue", pld_info->blue); |
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/* Second 32-bit dword */ |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Width", pld_info->width); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Height", pld_info->height); |
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/* Third 32-bit dword */ |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_UserVisible", |
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pld_info->user_visible); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Dock", pld_info->dock); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Lid", pld_info->lid); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Panel", pld_info->panel); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_VerticalPosition", |
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pld_info->vertical_position); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_HorizontalPosition", |
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pld_info->horizontal_position); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Shape", pld_info->shape); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_GroupOrientation", |
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pld_info->group_orientation); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_GroupToken", |
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pld_info->group_token); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_GroupPosition", |
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pld_info->group_position); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Bay", pld_info->bay); |
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/* Fourth 32-bit dword */ |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Ejectable", pld_info->ejectable); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_EjectRequired", |
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pld_info->ospm_eject_required); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_CabinetNumber", |
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pld_info->cabinet_number); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_CardCageNumber", |
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pld_info->card_cage_number); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Reference", pld_info->reference); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Rotation", pld_info->rotation); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_Order", pld_info->order); |
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/* Fifth 32-bit dword */ |
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if (buffer_desc->buffer.length > 16) { |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_VerticalOffset", |
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pld_info->vertical_offset); |
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acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_HorizontalOffset", |
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pld_info->horizontal_offset); |
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} |
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ACPI_FREE(new_buffer); |
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exit: |
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ACPI_FREE(pld_info); |
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}
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