nsdump.c

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/******************************************************************************
 *
 * Module Name: nsdump - table dumping routines for debug
 *              $Revision: 129 $
 *
 *****************************************************************************/

/*
 *  Copyright (C) 2000 - 2002, R. Byron Moore
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


#include "acpi.h"
#include "acinterp.h"
#include "acnamesp.h"
#include "actables.h"
#include "acparser.h"


#define _COMPONENT          ACPI_NAMESPACE
	 ACPI_MODULE_NAME    ("nsdump")

#if defined(ACPI_DEBUG) || defined(ENABLE_DEBUGGER)


/*******************************************************************************
 *
 * FUNCTION:    Acpi_ns_print_pathname
 *
 * PARAMETERS:  Num_segment         - Number of ACPI name segments
 *              Pathname            - The compressed (internal) path
 *
 * DESCRIPTION: Print an object's full namespace pathname
 *
 ******************************************************************************/

void
acpi_ns_print_pathname (
	u32                     num_segments,
	char                    *pathname)
{
	ACPI_FUNCTION_NAME ("Ns_print_pathname");


	if (!(acpi_dbg_level & ACPI_LV_NAMES) || !(acpi_dbg_layer & ACPI_NAMESPACE)) {
		return;
	}

		/* Print the entire name */

	ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "["));

	while (num_segments) {
		acpi_os_printf ("%4.4s", pathname);
		pathname += ACPI_NAME_SIZE;

		num_segments--;
		if (num_segments) {
			acpi_os_printf (".");
		}
	}

	acpi_os_printf ("]\n");
}


/*******************************************************************************
 *
 * FUNCTION:    Acpi_ns_dump_pathname
 *
 * PARAMETERS:  Handle              - Object
 *              Msg                 - Prefix message
 *              Level               - Desired debug level
 *              Component           - Caller's component ID
 *
 * DESCRIPTION: Print an object's full namespace pathname
 *              Manages allocation/freeing of a pathname buffer
 *
 ******************************************************************************/

acpi_status
acpi_ns_dump_pathname (
	acpi_handle             handle,
	NATIVE_CHAR             *msg,
	u32                     level,
	u32                     component)
{
	acpi_buffer             buffer;
	acpi_status             status;


	ACPI_FUNCTION_TRACE ("Ns_dump_pathname");


	/* Do this only if the requested debug level and component are enabled */

	if (!(acpi_dbg_level & level) || !(acpi_dbg_layer & component)) {
		return_ACPI_STATUS (AE_OK);
	}

	/* Convert handle to a full pathname and print it (with supplied message) */

	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;

	status = acpi_ns_handle_to_pathname (handle, &buffer);
	if (ACPI_SUCCESS (status)) {
		acpi_os_printf ("%s %s (Node %p)\n", msg, buffer.pointer, handle);
		ACPI_MEM_FREE (buffer.pointer);
	}

	return_ACPI_STATUS (status);
}


/*******************************************************************************
 *
 * FUNCTION:    Acpi_ns_dump_one_object
 *
 * PARAMETERS:  Handle              - Node to be dumped
 *              Level               - Nesting level of the handle
 *              Context             - Passed into Walk_namespace
 *
 * DESCRIPTION: Dump a single Node
 *              This procedure is a User_function called by Acpi_ns_walk_namespace.
 *
 ******************************************************************************/

acpi_status
acpi_ns_dump_one_object (
	acpi_handle             obj_handle,
	u32                     level,
	void                    *context,
	void                    **return_value)
{
	acpi_walk_info          *info = (acpi_walk_info *) context;
	acpi_namespace_node     *this_node;
	acpi_operand_object     *obj_desc = NULL;
	acpi_object_type        obj_type;
	acpi_object_type        type;
	u32                     bytes_to_dump;
	u32                     downstream_sibling_mask = 0;
	u32                     level_tmp;
	u32                     which_bit;
	u32                     i;
	u32                     dbg_level;


	ACPI_FUNCTION_NAME ("Ns_dump_one_object");


	this_node = acpi_ns_map_handle_to_node (obj_handle);

	level_tmp   = level;
	type        = this_node->type;
	which_bit   = 1;


	if (!(acpi_dbg_level & info->debug_level)) {
		return (AE_OK);
	}

	if (!obj_handle) {
		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Null object handle\n"));
		return (AE_OK);
	}

	/* Check if the owner matches */

	if ((info->owner_id != ACPI_UINT32_MAX) &&
		(info->owner_id != this_node->owner_id)) {
		return (AE_OK);
	}

	/* Indent the object according to the level */

	while (level_tmp--) {
		/* Print appropriate characters to form tree structure */

		if (level_tmp) {
			if (downstream_sibling_mask & which_bit) {
				acpi_os_printf ("|");
			}
			else {
				acpi_os_printf (" ");
			}

			which_bit <<= 1;
		}
		else {
			if (acpi_ns_exist_downstream_sibling (this_node + 1)) {
				downstream_sibling_mask |= (1 << (level - 1));
				acpi_os_printf ("+");
			}
			else {
				downstream_sibling_mask &= ACPI_UINT32_MAX ^ (1 << (level - 1));
				acpi_os_printf ("+");
			}

			if (this_node->child == NULL) {
				acpi_os_printf ("-");
			}
			else if (acpi_ns_exist_downstream_sibling (this_node->child)) {
				acpi_os_printf ("+");
			}
			else {
				acpi_os_printf ("-");
			}
		}
	}

	/* Check the integrity of our data */

	if (type > INTERNAL_TYPE_MAX) {
		type = INTERNAL_TYPE_DEF_ANY;  /* prints as *ERROR* */
	}

	if (!acpi_ut_valid_acpi_name (this_node->name.integer)) {
		ACPI_REPORT_WARNING (("Invalid ACPI Name %08X\n", this_node->name));
	}

	/*
	 * Now we can print out the pertinent information
	 */
	acpi_os_printf (" %4.4s %-12s %p",
			(char *) &this_node->name, acpi_ut_get_type_name (type), this_node);

	dbg_level = acpi_dbg_level;
	acpi_dbg_level = 0;
	obj_desc = acpi_ns_get_attached_object (this_node);
	acpi_dbg_level = dbg_level;

	switch (info->display_type) {
	case ACPI_DISPLAY_SUMMARY:

		if (!obj_desc) {
			/* No attached object, we are done */

			acpi_os_printf ("\n");
			return (AE_OK);
		}

		switch (type) {
		case ACPI_TYPE_PROCESSOR:

			acpi_os_printf (" ID %d Addr %.4X Len %.4X\n",
					 obj_desc->processor.proc_id,
					 obj_desc->processor.address,
					 obj_desc->processor.length);
			break;


		case ACPI_TYPE_DEVICE:

			acpi_os_printf (" Notification object: %p", obj_desc);
			break;


		case ACPI_TYPE_METHOD:

			acpi_os_printf (" Args %d Len %.4X Aml %p \n",
					 obj_desc->method.param_count,
					 obj_desc->method.aml_length,
					 obj_desc->method.aml_start);
			break;


		case ACPI_TYPE_INTEGER:

			acpi_os_printf (" = %8.8X%8.8X\n",
					 ACPI_HIDWORD (obj_desc->integer.value),
					 ACPI_LODWORD (obj_desc->integer.value));
			break;


		case ACPI_TYPE_PACKAGE:

			if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
				acpi_os_printf (" Elements %.2X\n",
						 obj_desc->package.count);
			}
			else {
				acpi_os_printf (" [Length not yet evaluated]\n");
			}
			break;


		case ACPI_TYPE_BUFFER:

			if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
				acpi_os_printf (" Len %.2X",
						 obj_desc->buffer.length);

				/* Dump some of the buffer */

				if (obj_desc->buffer.length > 0) {
					acpi_os_printf (" =");
					for (i = 0; (i < obj_desc->buffer.length && i < 12); i++) {
						acpi_os_printf (" %.2X", obj_desc->buffer.pointer[i]);
					}
				}
				acpi_os_printf ("\n");
			}
			else {
				acpi_os_printf (" [Length not yet evaluated]\n");
			}
			break;


		case ACPI_TYPE_STRING:

			acpi_os_printf (" Len %.2X", obj_desc->string.length);

			if (obj_desc->string.length > 0) {
				acpi_os_printf (" = \"%.32s\"", obj_desc->string.pointer);
				if (obj_desc->string.length > 32) {
					acpi_os_printf ("...");
				}
			}
			acpi_os_printf ("\n");
			break;


		case ACPI_TYPE_REGION:

			acpi_os_printf (" [%s]", acpi_ut_get_region_name (obj_desc->region.space_id));
			if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
				acpi_os_printf (" Addr %8.8X%8.8X Len %.4X\n",
						 ACPI_HIDWORD (obj_desc->region.address),
						 ACPI_LODWORD (obj_desc->region.address),
						 obj_desc->region.length);
			}
			else {
				acpi_os_printf (" [Address/Length not yet evaluated]\n");
			}
			break;


		case INTERNAL_TYPE_REFERENCE:

			acpi_os_printf (" [%s]\n",
					acpi_ps_get_opcode_name (obj_desc->reference.opcode));
			break;


		case ACPI_TYPE_BUFFER_FIELD:

			if (obj_desc->buffer_field.buffer_obj &&
				obj_desc->buffer_field.buffer_obj->buffer.node) {
				acpi_os_printf (" Buf [%4.4s]",
						(char *) &obj_desc->buffer_field.buffer_obj->buffer.node->name);
			}
			break;


		case INTERNAL_TYPE_REGION_FIELD:

			acpi_os_printf (" Rgn [%4.4s]",
					(char *) &obj_desc->common_field.region_obj->region.node->name);
			break;


		case INTERNAL_TYPE_BANK_FIELD:

			acpi_os_printf (" Rgn [%4.4s] Bnk [%4.4s]",
					(char *) &obj_desc->common_field.region_obj->region.node->name,
					(char *) &obj_desc->bank_field.bank_obj->common_field.node->name);
			break;


		case INTERNAL_TYPE_INDEX_FIELD:

			acpi_os_printf (" Idx [%4.4s] Dat [%4.4s]",
					(char *) &obj_desc->index_field.index_obj->common_field.node->name,
					(char *) &obj_desc->index_field.data_obj->common_field.node->name);
			break;