Quelle  exdump.c

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/******************************************************************************
 *
 * Module Name: exdump - Interpreter debug output routines
 *
 * Copyright (C) 2000 - 2025, 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