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linuxdebug/drivers/acpi/acpica/exdump.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/******************************************************************************
*
* Module Name: exdump - Interpreter debug output routines
*
* Copyright (C) 2000 - 2022, Intel Corp.
*
*****************************************************************************/
#include <acpi/acpi.h>
#include "accommon.h"
#include "acinterp.h"
#include "amlcode.h"
#include "acnamesp.h"
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME("exdump")
/*
* The following routines are used for debug output only
*/
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
/* Local prototypes */
static void acpi_ex_out_string(const char *title, const char *value);
static void acpi_ex_out_pointer(const char *title, const void *value);
static void
acpi_ex_dump_object(union acpi_operand_object *obj_desc,
struct acpi_exdump_info *info);
static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc);
static void
acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
u32 level, u32 index);
/*******************************************************************************
*
* Object Descriptor info tables
*
* Note: The first table entry must be an INIT opcode and must contain
* the table length (number of table entries)
*
******************************************************************************/
static struct acpi_exdump_info acpi_ex_dump_integer[2] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_integer), NULL},
{ACPI_EXD_UINT64, ACPI_EXD_OFFSET(integer.value), "Value"}
};
static struct acpi_exdump_info acpi_ex_dump_string[4] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_string), NULL},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(string.length), "Length"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(string.pointer), "Pointer"},
{ACPI_EXD_STRING, 0, NULL}
};
static struct acpi_exdump_info acpi_ex_dump_buffer[5] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer), NULL},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(buffer.length), "Length"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer.pointer), "Pointer"},
{ACPI_EXD_NODE, ACPI_EXD_OFFSET(buffer.node), "Parent Node"},
{ACPI_EXD_BUFFER, 0, NULL}
};
static struct acpi_exdump_info acpi_ex_dump_package[6] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_package), NULL},
{ACPI_EXD_NODE, ACPI_EXD_OFFSET(package.node), "Parent Node"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(package.flags), "Flags"},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(package.count), "Element Count"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(package.elements), "Element List"},
{ACPI_EXD_PACKAGE, 0, NULL}
};
static struct acpi_exdump_info acpi_ex_dump_device[4] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_device), NULL},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.notify_list[0]),
"System Notify"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.notify_list[1]),
"Device Notify"},
{ACPI_EXD_HDLR_LIST, ACPI_EXD_OFFSET(device.handler), "Handler"}
};
static struct acpi_exdump_info acpi_ex_dump_event[2] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_event), NULL},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.os_semaphore), "OsSemaphore"}
};
static struct acpi_exdump_info acpi_ex_dump_method[9] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.info_flags), "Info Flags"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count),
"Parameter Count"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.sync_level), "Sync Level"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.mutex), "Mutex"},
{ACPI_EXD_UINT16, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.thread_count), "Thread Count"},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(method.aml_length), "Aml Length"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.aml_start), "Aml Start"}
};
static struct acpi_exdump_info acpi_ex_dump_mutex[6] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.original_sync_level),
"Original Sync Level"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"},
{ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth),
"Acquire Depth"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"}
};
static struct acpi_exdump_info acpi_ex_dump_region[8] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region), NULL},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.space_id), "Space Id"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.flags), "Flags"},
{ACPI_EXD_NODE, ACPI_EXD_OFFSET(region.node), "Parent Node"},
{ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(region.address), "Address"},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(region.length), "Length"},
{ACPI_EXD_HDLR_LIST, ACPI_EXD_OFFSET(region.handler), "Handler"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.next), "Next"}
};
static struct acpi_exdump_info acpi_ex_dump_power[6] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_power), NULL},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.system_level),
"System Level"},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.resource_order),
"Resource Order"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.notify_list[0]),
"System Notify"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.notify_list[1]),
"Device Notify"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.handler), "Handler"}
};
static struct acpi_exdump_info acpi_ex_dump_processor[7] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_processor), NULL},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.proc_id), "Processor ID"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.length), "Length"},
{ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(processor.address), "Address"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.notify_list[0]),
"System Notify"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.notify_list[1]),
"Device Notify"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.handler), "Handler"}
};
static struct acpi_exdump_info acpi_ex_dump_thermal[4] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_thermal), NULL},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.notify_list[0]),
"System Notify"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.notify_list[1]),
"Device Notify"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.handler), "Handler"}
};
static struct acpi_exdump_info acpi_ex_dump_buffer_field[3] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer_field), NULL},
{ACPI_EXD_FIELD, 0, NULL},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer_field.buffer_obj),
"Buffer Object"}
};
static struct acpi_exdump_info acpi_ex_dump_region_field[5] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region_field), NULL},
{ACPI_EXD_FIELD, 0, NULL},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(field.access_length), "AccessLength"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.region_obj), "Region Object"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.resource_buffer),
"ResourceBuffer"}
};
static struct acpi_exdump_info acpi_ex_dump_bank_field[5] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
{ACPI_EXD_FIELD, 0, NULL},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(bank_field.value), "Value"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.region_obj),
"Region Object"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.bank_obj), "Bank Object"}
};
static struct acpi_exdump_info acpi_ex_dump_index_field[5] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
{ACPI_EXD_FIELD, 0, NULL},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(index_field.value), "Value"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.index_obj),
"Index Object"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.data_obj), "Data Object"}
};
static struct acpi_exdump_info acpi_ex_dump_reference[9] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_reference), NULL},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.class), "Class"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.target_type), "Target Type"},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(reference.value), "Value"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.object), "Object Desc"},
{ACPI_EXD_NODE, ACPI_EXD_OFFSET(reference.node), "Node"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.where), "Where"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.index_pointer),
"Index Pointer"},
{ACPI_EXD_REFERENCE, 0, NULL}
};
static struct acpi_exdump_info acpi_ex_dump_address_handler[6] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_address_handler),
NULL},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(address_space.space_id), "Space Id"},
{ACPI_EXD_HDLR_LIST, ACPI_EXD_OFFSET(address_space.next), "Next"},
{ACPI_EXD_RGN_LIST, ACPI_EXD_OFFSET(address_space.region_list),
"Region List"},
{ACPI_EXD_NODE, ACPI_EXD_OFFSET(address_space.node), "Node"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.context), "Context"}
};
static struct acpi_exdump_info acpi_ex_dump_notify[7] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_notify), NULL},
{ACPI_EXD_NODE, ACPI_EXD_OFFSET(notify.node), "Node"},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(notify.handler_type), "Handler Type"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.handler), "Handler"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.context), "Context"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.next[0]),
"Next System Notify"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.next[1]), "Next Device Notify"}
};
static struct acpi_exdump_info acpi_ex_dump_extra[6] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_extra), NULL},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(extra.method_REG), "_REG Method"},
{ACPI_EXD_NODE, ACPI_EXD_OFFSET(extra.scope_node), "Scope Node"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(extra.region_context),
"Region Context"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(extra.aml_start), "Aml Start"},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(extra.aml_length), "Aml Length"}
};
static struct acpi_exdump_info acpi_ex_dump_data[3] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_data), NULL},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(data.handler), "Handler"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(data.pointer), "Raw Data"}
};
/* Miscellaneous tables */
static struct acpi_exdump_info acpi_ex_dump_common[5] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_common), NULL},
{ACPI_EXD_TYPE, 0, NULL},
{ACPI_EXD_UINT16, ACPI_EXD_OFFSET(common.reference_count),
"Reference Count"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common.flags), "Flags"},
{ACPI_EXD_LIST, ACPI_EXD_OFFSET(common.next_object), "Object List"}
};
static struct acpi_exdump_info acpi_ex_dump_field_common[7] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_field_common), NULL},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.field_flags),
"Field Flags"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.access_byte_width),
"Access Byte Width"},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.bit_length),
"Bit Length"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.start_field_bit_offset),
"Field Bit Offset"},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.base_byte_offset),
"Base Byte Offset"},
{ACPI_EXD_NODE, ACPI_EXD_OFFSET(common_field.node), "Parent Node"}
};
static struct acpi_exdump_info acpi_ex_dump_node[7] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL},
{ACPI_EXD_UINT16, ACPI_EXD_NSOFFSET(flags), "Flags"},
{ACPI_EXD_UINT16, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"},
{ACPI_EXD_LIST, ACPI_EXD_NSOFFSET(object), "Object List"},
{ACPI_EXD_NODE, ACPI_EXD_NSOFFSET(parent), "Parent"},
{ACPI_EXD_NODE, ACPI_EXD_NSOFFSET(child), "Child"},
{ACPI_EXD_NODE, ACPI_EXD_NSOFFSET(peer), "Peer"}
};
/* Dispatch table, indexed by object type */
static struct acpi_exdump_info *acpi_ex_dump_info[] = {
NULL,
acpi_ex_dump_integer,
acpi_ex_dump_string,
acpi_ex_dump_buffer,
acpi_ex_dump_package,
NULL,
acpi_ex_dump_device,
acpi_ex_dump_event,
acpi_ex_dump_method,
acpi_ex_dump_mutex,
acpi_ex_dump_region,
acpi_ex_dump_power,
acpi_ex_dump_processor,
acpi_ex_dump_thermal,
acpi_ex_dump_buffer_field,
NULL,
NULL,
acpi_ex_dump_region_field,
acpi_ex_dump_bank_field,
acpi_ex_dump_index_field,
acpi_ex_dump_reference,
NULL,
NULL,
acpi_ex_dump_notify,
acpi_ex_dump_address_handler,
NULL,
NULL,
NULL,
acpi_ex_dump_extra,
acpi_ex_dump_data
};
/*******************************************************************************
*
* FUNCTION: acpi_ex_dump_object
*
* PARAMETERS: obj_desc - Descriptor to dump
* info - Info table corresponding to this object
* type
*
* RETURN: None
*
* DESCRIPTION: Walk the info table for this object
*
******************************************************************************/
static void
acpi_ex_dump_object(union acpi_operand_object *obj_desc,
struct acpi_exdump_info *info)
{
u8 *target;
const char *name;
u8 count;
union acpi_operand_object *start;
union acpi_operand_object *data = NULL;
union acpi_operand_object *next;
struct acpi_namespace_node *node;
if (!info) {
acpi_os_printf
("ExDumpObject: Display not implemented for object type %s\n",
acpi_ut_get_object_type_name(obj_desc));
return;
}
/* First table entry must contain the table length (# of table entries) */
count = info->offset;
while (count) {
if (!obj_desc) {
return;
}
target = ACPI_ADD_PTR(u8, obj_desc, info->offset);
name = info->name;
switch (info->opcode) {
case ACPI_EXD_INIT:
break;
case ACPI_EXD_TYPE:
acpi_os_printf("%20s : %2.2X [%s]\n", "Type",
obj_desc->common.type,
acpi_ut_get_object_type_name(obj_desc));
break;
case ACPI_EXD_UINT8:
acpi_os_printf("%20s : %2.2X\n", name, *target);
break;
case ACPI_EXD_UINT16:
acpi_os_printf("%20s : %4.4X\n", name,
ACPI_GET16(target));
break;
case ACPI_EXD_UINT32:
acpi_os_printf("%20s : %8.8X\n", name,
ACPI_GET32(target));
break;
case ACPI_EXD_UINT64:
acpi_os_printf("%20s : %8.8X%8.8X\n", "Value",
ACPI_FORMAT_UINT64(ACPI_GET64(target)));
break;
case ACPI_EXD_POINTER:
case ACPI_EXD_ADDRESS:
acpi_ex_out_pointer(name,
*ACPI_CAST_PTR(void *, target));
break;
case ACPI_EXD_STRING:
acpi_ut_print_string(obj_desc->string.pointer,
ACPI_UINT8_MAX);
acpi_os_printf("\n");
break;
case ACPI_EXD_BUFFER:
ACPI_DUMP_BUFFER(obj_desc->buffer.pointer,
obj_desc->buffer.length);
break;
case ACPI_EXD_PACKAGE:
/* Dump the package contents */
acpi_os_printf("\nPackage Contents:\n");
acpi_ex_dump_package_obj(obj_desc, 0, 0);
break;
case ACPI_EXD_FIELD:
acpi_ex_dump_object(obj_desc,
acpi_ex_dump_field_common);
break;
case ACPI_EXD_REFERENCE:
acpi_ex_out_string("Class Name",
acpi_ut_get_reference_name
(obj_desc));
acpi_ex_dump_reference_obj(obj_desc);
break;
case ACPI_EXD_LIST:
start = *ACPI_CAST_PTR(void *, target);
next = start;
acpi_os_printf("%20s : %p ", name, next);
if (next) {
acpi_os_printf("%s (Type %2.2X)",
acpi_ut_get_object_type_name
(next), next->common.type);
while (next->common.next_object) {
if ((next->common.type ==
ACPI_TYPE_LOCAL_DATA) && !data) {
data = next;
}
next = next->common.next_object;
acpi_os_printf("->%p(%s %2.2X)", next,
acpi_ut_get_object_type_name
(next),
next->common.type);
if ((next == start) || (next == data)) {
acpi_os_printf
("\n**** Error: Object list appears to be circular linked");
break;
}
}
} else {
acpi_os_printf("- No attached objects");
}
acpi_os_printf("\n");
break;
case ACPI_EXD_HDLR_LIST:
start = *ACPI_CAST_PTR(void *, target);
next = start;
acpi_os_printf("%20s : %p", name, next);
if (next) {
acpi_os_printf("(%s %2.2X)",
acpi_ut_get_object_type_name
(next),
next->address_space.space_id);
while (next->address_space.next) {
if ((next->common.type ==
ACPI_TYPE_LOCAL_DATA) && !data) {
data = next;
}
next = next->address_space.next;
acpi_os_printf("->%p(%s %2.2X)", next,
acpi_ut_get_object_type_name
(next),
next->address_space.
space_id);
if ((next == start) || (next == data)) {
acpi_os_printf
("\n**** Error: Handler list appears to be circular linked");
break;
}
}
}
acpi_os_printf("\n");
break;
case ACPI_EXD_RGN_LIST:
start = *ACPI_CAST_PTR(void *, target);
next = start;
acpi_os_printf("%20s : %p", name, next);
if (next) {
acpi_os_printf("(%s %2.2X)",
acpi_ut_get_object_type_name
(next), next->common.type);
while (next->region.next) {
if ((next->common.type ==
ACPI_TYPE_LOCAL_DATA) && !data) {
data = next;
}
next = next->region.next;
acpi_os_printf("->%p(%s %2.2X)", next,
acpi_ut_get_object_type_name
(next),
next->common.type);
if ((next == start) || (next == data)) {
acpi_os_printf
("\n**** Error: Region list appears to be circular linked");
break;
}
}
}
acpi_os_printf("\n");
break;
case ACPI_EXD_NODE:
node =
*ACPI_CAST_PTR(struct acpi_namespace_node *,
target);
acpi_os_printf("%20s : %p", name, node);
if (node) {
acpi_os_printf(" [%4.4s]", node->name.ascii);
}
acpi_os_printf("\n");
break;
default:
acpi_os_printf("**** Invalid table opcode [%X] ****\n",
info->opcode);
return;
}
info++;
count--;
}
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_dump_operand
*
* PARAMETERS: *obj_desc - Pointer to entry to be dumped
* depth - Current nesting depth
*
* RETURN: None
*
* DESCRIPTION: Dump an operand object
*
******************************************************************************/
void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
{
u32 length;
u32 index;
ACPI_FUNCTION_NAME(ex_dump_operand);
/* Check if debug output enabled */
if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_EXEC, _COMPONENT)) {
return;
}
if (!obj_desc) {
/* This could be a null element of a package */
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Null Object Descriptor\n"));
return;
}
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p Namespace Node: ",
obj_desc));
ACPI_DUMP_ENTRY(obj_desc, ACPI_LV_EXEC);
return;
}
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"%p is not a node or operand object: [%s]\n",
obj_desc,
acpi_ut_get_descriptor_name(obj_desc)));
ACPI_DUMP_BUFFER(obj_desc, sizeof(union acpi_operand_object));
return;
}
/* obj_desc is a valid object */
if (depth > 0) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%*s[%u] %p Refs=%u ",
depth, " ", depth, obj_desc,
obj_desc->common.reference_count));
} else {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p Refs=%u ",
obj_desc, obj_desc->common.reference_count));
}
/* Decode object type */
switch (obj_desc->common.type) {
case ACPI_TYPE_LOCAL_REFERENCE:
acpi_os_printf("Reference: [%s] ",
acpi_ut_get_reference_name(obj_desc));
switch (obj_desc->reference.class) {
case ACPI_REFCLASS_DEBUG:
acpi_os_printf("\n");
break;
case ACPI_REFCLASS_INDEX:
acpi_os_printf("%p\n", obj_desc->reference.object);
break;
case ACPI_REFCLASS_TABLE:
acpi_os_printf("Table Index %X\n",
obj_desc->reference.value);
break;
case ACPI_REFCLASS_REFOF:
acpi_os_printf("%p [%s]\n", obj_desc->reference.object,
acpi_ut_get_type_name(((union
acpi_operand_object
*)
obj_desc->
reference.
object)->common.
type));
break;
case ACPI_REFCLASS_NAME:
acpi_ut_repair_name(obj_desc->reference.node->name.
ascii);
acpi_os_printf("- [%4.4s] (Node %p)\n",
obj_desc->reference.node->name.ascii,
obj_desc->reference.node);
break;
case ACPI_REFCLASS_ARG:
case ACPI_REFCLASS_LOCAL:
acpi_os_printf("%X\n", obj_desc->reference.value);
break;
default: /* Unknown reference class */
acpi_os_printf("%2.2X\n", obj_desc->reference.class);
break;
}
break;
case ACPI_TYPE_BUFFER:
acpi_os_printf("Buffer length %.2X @ %p\n",
obj_desc->buffer.length,
obj_desc->buffer.pointer);
/* Debug only -- dump the buffer contents */
if (obj_desc->buffer.pointer) {
length = obj_desc->buffer.length;
if (length > 128) {
length = 128;
}
acpi_os_printf
("Buffer Contents: (displaying length 0x%.2X)\n",
length);
ACPI_DUMP_BUFFER(obj_desc->buffer.pointer, length);
}
break;
case ACPI_TYPE_INTEGER:
acpi_os_printf("Integer %8.8X%8.8X\n",
ACPI_FORMAT_UINT64(obj_desc->integer.value));
break;
case ACPI_TYPE_PACKAGE:
acpi_os_printf("Package [Len %X] ElementArray %p\n",
obj_desc->package.count,
obj_desc->package.elements);
/*
* If elements exist, package element pointer is valid,
* and debug_level exceeds 1, dump package's elements.
*/
if (obj_desc->package.count &&
obj_desc->package.elements && acpi_dbg_level > 1) {
for (index = 0; index < obj_desc->package.count;
index++) {
acpi_ex_dump_operand(obj_desc->package.
elements[index],
depth + 1);
}
}
break;
case ACPI_TYPE_REGION:
acpi_os_printf("Region %s (%X)",
acpi_ut_get_region_name(obj_desc->region.
space_id),
obj_desc->region.space_id);
/*
* If the address and length have not been evaluated,
* don't print them.
*/
if (!(obj_desc->region.flags & AOPOBJ_DATA_VALID)) {
acpi_os_printf("\n");
} else {
acpi_os_printf(" base %8.8X%8.8X Length %X\n",
ACPI_FORMAT_UINT64(obj_desc->region.
address),
obj_desc->region.length);
}
break;
case ACPI_TYPE_STRING:
acpi_os_printf("String length %X @ %p ",
obj_desc->string.length,
obj_desc->string.pointer);
acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
acpi_os_printf("\n");
break;
case ACPI_TYPE_LOCAL_BANK_FIELD:
acpi_os_printf("BankField\n");
break;
case ACPI_TYPE_LOCAL_REGION_FIELD:
acpi_os_printf
("RegionField: Bits=%X AccWidth=%X Lock=%X Update=%X at "
"byte=%X bit=%X of below:\n", obj_desc->field.bit_length,
obj_desc->field.access_byte_width,
obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK,
obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK,
obj_desc->field.base_byte_offset,
obj_desc->field.start_field_bit_offset);
acpi_ex_dump_operand(obj_desc->field.region_obj, depth + 1);
break;
case ACPI_TYPE_LOCAL_INDEX_FIELD:
acpi_os_printf("IndexField\n");
break;
case ACPI_TYPE_BUFFER_FIELD:
acpi_os_printf("BufferField: %X bits at byte %X bit %X of\n",
obj_desc->buffer_field.bit_length,
obj_desc->buffer_field.base_byte_offset,
obj_desc->buffer_field.start_field_bit_offset);
if (!obj_desc->buffer_field.buffer_obj) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "*NULL*\n"));
} else if ((obj_desc->buffer_field.buffer_obj)->common.type !=
ACPI_TYPE_BUFFER) {
acpi_os_printf("*not a Buffer*\n");
} else {
acpi_ex_dump_operand(obj_desc->buffer_field.buffer_obj,
depth + 1);
}
break;
case ACPI_TYPE_EVENT:
acpi_os_printf("Event\n");
break;
case ACPI_TYPE_METHOD:
acpi_os_printf("Method(%X) @ %p:%X\n",
obj_desc->method.param_count,
obj_desc->method.aml_start,
obj_desc->method.aml_length);
break;
case ACPI_TYPE_MUTEX:
acpi_os_printf("Mutex\n");
break;
case ACPI_TYPE_DEVICE:
acpi_os_printf("Device\n");
break;
case ACPI_TYPE_POWER:
acpi_os_printf("Power\n");
break;
case ACPI_TYPE_PROCESSOR:
acpi_os_printf("Processor\n");
break;
case ACPI_TYPE_THERMAL:
acpi_os_printf("Thermal\n");
break;
default:
/* Unknown Type */
acpi_os_printf("Unknown Type %X\n", obj_desc->common.type);
break;
}
return;
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_dump_operands
*
* PARAMETERS: operands - A list of Operand objects
* opcode_name - AML opcode name
* num_operands - Operand count for this opcode
*
* DESCRIPTION: Dump the operands associated with the opcode
*
******************************************************************************/
void
acpi_ex_dump_operands(union acpi_operand_object **operands,
const char *opcode_name, u32 num_operands)
{
ACPI_FUNCTION_TRACE(ex_dump_operands);
if (!opcode_name) {
opcode_name = "UNKNOWN";
}
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"**** Start operand dump for opcode [%s], %u operands\n",
opcode_name, num_operands));
if (num_operands == 0) {
num_operands = 1;
}
/* Dump the individual operands */
while (num_operands) {
acpi_ex_dump_operand(*operands, 0);
operands++;
num_operands--;
}
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"**** End operand dump for [%s]\n", opcode_name));
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_out* functions
*
* PARAMETERS: title - Descriptive text
* value - Value to be displayed
*
* DESCRIPTION: Object dump output formatting functions. These functions
* reduce the number of format strings required and keeps them
* all in one place for easy modification.
*
******************************************************************************/
static void acpi_ex_out_string(const char *title, const char *value)
{
acpi_os_printf("%20s : %s\n", title, value);
}
static void acpi_ex_out_pointer(const char *title, const void *value)
{
acpi_os_printf("%20s : %p\n", title, value);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_dump_namespace_node
*
* PARAMETERS: node - Descriptor to dump
* flags - Force display if TRUE
*
* DESCRIPTION: Dumps the members of the given.Node
*
******************************************************************************/
void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags)
{
ACPI_FUNCTION_ENTRY();
if (!flags) {
/* Check if debug output enabled */
if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_OBJECTS, _COMPONENT)) {
return;
}
}
acpi_os_printf("%20s : %4.4s\n", "Name", acpi_ut_get_node_name(node));
acpi_os_printf("%20s : %2.2X [%s]\n", "Type",
node->type, acpi_ut_get_type_name(node->type));
acpi_ex_dump_object(ACPI_CAST_PTR(union acpi_operand_object, node),
acpi_ex_dump_node);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_dump_reference_obj
*
* PARAMETERS: object - Descriptor to dump
*
* DESCRIPTION: Dumps a reference object
*
******************************************************************************/
static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
{
struct acpi_buffer ret_buf;
acpi_status status;
ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;
if (obj_desc->reference.class == ACPI_REFCLASS_NAME) {
acpi_os_printf(" %p ", obj_desc->reference.node);
status = acpi_ns_handle_to_pathname(obj_desc->reference.node,
&ret_buf, TRUE);
if (ACPI_FAILURE(status)) {
acpi_os_printf
(" Could not convert name to pathname: %s\n",
acpi_format_exception(status));
} else {
acpi_os_printf("%s: %s\n",
acpi_ut_get_type_name(obj_desc->
reference.node->
type),
(char *)ret_buf.pointer);
ACPI_FREE(ret_buf.pointer);
}
} else if (obj_desc->reference.object) {
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) ==
ACPI_DESC_TYPE_OPERAND) {
acpi_os_printf("%22s %p", "Target :",
obj_desc->reference.object);
if (obj_desc->reference.class == ACPI_REFCLASS_TABLE) {
acpi_os_printf(" Table Index: %X\n",
obj_desc->reference.value);
} else {
acpi_os_printf(" [%s]\n",
acpi_ut_get_type_name(((union
acpi_operand_object
*)
obj_desc->
reference.
object)->
common.
type));
}
} else {
acpi_os_printf(" Target: %p\n",
obj_desc->reference.object);
}
}
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_dump_package_obj
*
* PARAMETERS: obj_desc - Descriptor to dump
* level - Indentation Level
* index - Package index for this object
*
* DESCRIPTION: Dumps the elements of the package
*
******************************************************************************/
static void
acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
u32 level, u32 index)
{
u32 i;
/* Indentation and index output */
if (level > 0) {
for (i = 0; i < level; i++) {
acpi_os_printf(" ");
}
acpi_os_printf("[%.2d] ", index);
}
acpi_os_printf("%p ", obj_desc);
/* Null package elements are allowed */
if (!obj_desc) {
acpi_os_printf("[Null Object]\n");
return;
}
/* Packages may only contain a few object types */
switch (obj_desc->common.type) {
case ACPI_TYPE_INTEGER:
acpi_os_printf("[Integer] = %8.8X%8.8X\n",
ACPI_FORMAT_UINT64(obj_desc->integer.value));
break;
case ACPI_TYPE_STRING:
acpi_os_printf("[String] Value: ");
acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
acpi_os_printf("\n");
break;
case ACPI_TYPE_BUFFER:
acpi_os_printf("[Buffer] Length %.2X = ",
obj_desc->buffer.length);
if (obj_desc->buffer.length) {
acpi_ut_debug_dump_buffer(ACPI_CAST_PTR
(u8,
obj_desc->buffer.pointer),
obj_desc->buffer.length,
DB_DWORD_DISPLAY, _COMPONENT);
} else {
acpi_os_printf("\n");
}
break;
case ACPI_TYPE_PACKAGE:
acpi_os_printf("[Package] Contains %u Elements:\n",
obj_desc->package.count);
for (i = 0; i < obj_desc->package.count; i++) {
acpi_ex_dump_package_obj(obj_desc->package.elements[i],
level + 1, i);
}
break;
case ACPI_TYPE_LOCAL_REFERENCE:
acpi_os_printf("[Object Reference] Class [%s]",
acpi_ut_get_reference_name(obj_desc));
acpi_ex_dump_reference_obj(obj_desc);
break;
default:
acpi_os_printf("[%s] Type: %2.2X\n",
acpi_ut_get_type_name(obj_desc->common.type),
obj_desc->common.type);
break;
}
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_dump_object_descriptor
*
* PARAMETERS: obj_desc - Descriptor to dump
* flags - Force display if TRUE
*
* DESCRIPTION: Dumps the members of the object descriptor given.
*
******************************************************************************/
void
acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
{
ACPI_FUNCTION_TRACE(ex_dump_object_descriptor);
if (!obj_desc) {
return_VOID;
}
if (!flags) {
/* Check if debug output enabled */
if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_OBJECTS, _COMPONENT)) {
return_VOID;
}
}
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
acpi_ex_dump_namespace_node((struct acpi_namespace_node *)
obj_desc, flags);
obj_desc = ((struct acpi_namespace_node *)obj_desc)->object;
if (!obj_desc) {
return_VOID;
}
acpi_os_printf("\nAttached Object %p", obj_desc);
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
acpi_os_printf(" - Namespace Node");
}
acpi_os_printf(":\n");
goto dump_object;
}
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
acpi_os_printf("%p is not an ACPI operand object: [%s]\n",
obj_desc, acpi_ut_get_descriptor_name(obj_desc));
return_VOID;
}
/* Validate the object type */
if (obj_desc->common.type > ACPI_TYPE_LOCAL_MAX) {
acpi_os_printf("Not a known object type: %2.2X\n",
obj_desc->common.type);
return_VOID;
}
dump_object:
if (!obj_desc) {
return_VOID;
}
/* Common Fields */
acpi_ex_dump_object(obj_desc, acpi_ex_dump_common);
/* Object-specific fields */
acpi_ex_dump_object(obj_desc, acpi_ex_dump_info[obj_desc->common.type]);
if (obj_desc->common.type == ACPI_TYPE_REGION) {
obj_desc = obj_desc->common.next_object;
if (obj_desc->common.type > ACPI_TYPE_LOCAL_MAX) {
acpi_os_printf
("Secondary object is not a known object type: %2.2X\n",
obj_desc->common.type);
return_VOID;
}
acpi_os_printf("\nExtra attached Object (%p):\n", obj_desc);
acpi_ex_dump_object(obj_desc,
acpi_ex_dump_info[obj_desc->common.type]);
}
return_VOID;
}
#endif