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/******************************************************************************
*
* Module Name: exdebug - Support for stores to the AML Debug Object
*
*****************************************************************************/
/*
* 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"
#include "acinterp.h"
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME("exdebug")
#ifndef ACPI_NO_ERROR_MESSAGES
/*******************************************************************************
*
* FUNCTION: acpi_ex_do_debug_object
*
* PARAMETERS: source_desc - Object to be output to "Debug Object"
* level - Indentation level (used for packages)
* index - Current package element, zero if not pkg
*
* RETURN: None
*
* DESCRIPTION: Handles stores to the AML Debug Object. For example:
* Store(INT1, Debug)
*
* This function is not compiled if ACPI_NO_ERROR_MESSAGES is set.
*
* This function is only enabled if acpi_gbl_enable_aml_debug_object is set, or
* if ACPI_LV_DEBUG_OBJECT is set in the acpi_dbg_level. Thus, in the normal
* operational case, stores to the debug object are ignored but can be easily
* enabled if necessary.
*
******************************************************************************/
void
acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
u32 level, u32 index)
{
u32 i;
u32 timer;
ACPI_FUNCTION_TRACE_PTR(ex_do_debug_object, source_desc);
/* Output must be enabled via the debug_object global or the dbg_level */
if (!acpi_gbl_enable_aml_debug_object &&
!(acpi_dbg_level & ACPI_LV_DEBUG_OBJECT)) {
return_VOID;
}
/*
* We will emit the current timer value (in microseconds) with each
* debug output. Only need the lower 26 bits. This allows for 67
* million microseconds or 67 seconds before rollover.
*/
timer = ((u32)acpi_os_get_timer() / 10); /* (100 nanoseconds to microseconds) */
timer &= 0x03FFFFFF;
/*
* Print line header as long as we are not in the middle of an
* object display
*/
if (!((level > 0) && index == 0)) {
acpi_os_printf("[ACPI Debug %.8u] %*s", timer, level, " ");
}
/* Display the index for package output only */
if (index > 0) {
acpi_os_printf("(%.2u) ", index - 1);
}
if (!source_desc) {
acpi_os_printf("[Null Object]\n");
return_VOID;
}
if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) {
acpi_os_printf("%s ",
acpi_ut_get_object_type_name(source_desc));
if (!acpi_ut_valid_internal_object(source_desc)) {
acpi_os_printf("%p, Invalid Internal Object!\n",
source_desc);
return_VOID;
}
} else if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) ==
ACPI_DESC_TYPE_NAMED) {
acpi_os_printf("%s: %p\n",
acpi_ut_get_type_name(((struct
acpi_namespace_node *)
source_desc)->type),
source_desc);
return_VOID;
} else {
return_VOID;
}
/* source_desc is of type ACPI_DESC_TYPE_OPERAND */
switch (source_desc->common.type) {
case ACPI_TYPE_INTEGER:
/* Output correct integer width */
if (acpi_gbl_integer_byte_width == 4) {
acpi_os_printf("0x%8.8X\n",
(u32)source_desc->integer.value);
} else {
acpi_os_printf("0x%8.8X%8.8X\n",
ACPI_FORMAT_UINT64(source_desc->integer.
value));
}
break;
case ACPI_TYPE_BUFFER:
acpi_os_printf("[0x%.2X]\n", (u32)source_desc->buffer.length);
acpi_ut_dump_buffer(source_desc->buffer.pointer,
(source_desc->buffer.length < 256) ?
source_desc->buffer.length : 256,
DB_BYTE_DISPLAY, 0);
break;
case ACPI_TYPE_STRING:
acpi_os_printf("[0x%.2X] \"%s\"\n",
source_desc->string.length,
source_desc->string.pointer);
break;
case ACPI_TYPE_PACKAGE:
acpi_os_printf("[Contains 0x%.2X Elements]\n",
source_desc->package.count);
/* Output the entire contents of the package */
for (i = 0; i < source_desc->package.count; i++) {
acpi_ex_do_debug_object(source_desc->package.
elements[i], level + 4, i + 1);
}
break;
case ACPI_TYPE_LOCAL_REFERENCE:
acpi_os_printf("[%s] ",
acpi_ut_get_reference_name(source_desc));
/* Decode the reference */
switch (source_desc->reference.class) {
case ACPI_REFCLASS_INDEX:
acpi_os_printf("0x%X\n", source_desc->reference.value);
break;
case ACPI_REFCLASS_TABLE:
/* Case for ddb_handle */
acpi_os_printf("Table Index 0x%X\n",
source_desc->reference.value);
return_VOID;
default:
break;
}
acpi_os_printf(" ");
/* Check for valid node first, then valid object */
if (source_desc->reference.node) {
if (ACPI_GET_DESCRIPTOR_TYPE
(source_desc->reference.node) !=
ACPI_DESC_TYPE_NAMED) {
acpi_os_printf
(" %p - Not a valid namespace node\n",
source_desc->reference.node);
} else {
acpi_os_printf("Node %p [%4.4s] ",
source_desc->reference.node,
(source_desc->reference.node)->
name.ascii);
switch ((source_desc->reference.node)->type) {
/* These types have no attached object */
case ACPI_TYPE_DEVICE:
acpi_os_printf("Device\n");
break;
case ACPI_TYPE_THERMAL:
acpi_os_printf("Thermal Zone\n");
break;
default:
acpi_ex_do_debug_object((source_desc->
reference.
node)->object,
level + 4, 0);
break;
}
}
} else if (source_desc->reference.object) {
if (ACPI_GET_DESCRIPTOR_TYPE
(source_desc->reference.object) ==
ACPI_DESC_TYPE_NAMED) {
acpi_ex_do_debug_object(((struct
acpi_namespace_node *)
source_desc->reference.
object)->object,
level + 4, 0);
} else {
acpi_ex_do_debug_object(source_desc->reference.
object, level + 4, 0);
}
}
break;
default:
acpi_os_printf("%p\n", source_desc);
break;
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "\n"));
return_VOID;
}
#endif
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