485 lines
14 KiB
C
485 lines
14 KiB
C
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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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/*
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* Copyright (C) 2000 - 2015, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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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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/* 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 an 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, 16, &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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return;
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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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|
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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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|
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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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|
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|
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/* Fourth 32-bit dword */
|
||
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|
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|
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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);
|
||
|
|
|
||
|
|
/* Fifth 32-bit dword */
|
||
|
|
|
||
|
|
if (buffer_desc->buffer.length > 16) {
|
||
|
|
acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_VerticalOffset",
|
||
|
|
pld_info->vertical_offset);
|
||
|
|
acpi_os_printf(ACPI_PLD_OUTPUT, "PLD_HorizontalOffset",
|
||
|
|
pld_info->horizontal_offset);
|
||
|
|
}
|
||
|
|
|
||
|
|
ACPI_FREE(pld_info);
|
||
|
|
ACPI_FREE(new_buffer);
|
||
|
|
}
|