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Commit fb30b298 authored by Bob Moore's avatar Bob Moore Committed by Rafael J. Wysocki
Browse files

ACPICA: AML Parser: Add debug option to dump parse trees 



Debug level 0x00800000 will dump the current parse tree
just before it is deleted.

Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarErik Schmauss <erik.schmauss@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 1387cdd8

drivers/acpi/acpica/pswalk.c

+31 −3
Original line number Diff line number Diff line
@@ -25,21 +25,47 @@ ACPI_MODULE_NAME("pswalk") 
 * DESCRIPTION: Delete a portion of or an entire parse tree.

 *

 ******************************************************************************/

#include "amlcode.h"

void acpi_ps_delete_parse_tree(union acpi_parse_object *subtree_root)

{

	union acpi_parse_object *op = subtree_root;

	union acpi_parse_object *next = NULL;

	union acpi_parse_object *parent = NULL;

	u32 level = 0;



	ACPI_FUNCTION_TRACE_PTR(ps_delete_parse_tree, subtree_root);



	ACPI_DEBUG_PRINT((ACPI_DB_PARSE_TREES, " root %p\n", subtree_root));



	/* Visit all nodes in the subtree */



	while (op) {

		if (op != parent) {



		/* Check if we are not ascending */

			/* This is the descending case */



		if (op != parent) {

			if (ACPI_IS_DEBUG_ENABLED

			    (ACPI_LV_PARSE_TREES, _COMPONENT)) {



				/* This debug option will print the entire parse tree */



				acpi_os_printf("      %*.s%s %p", (level * 4),

					       " ",

					       acpi_ps_get_opcode_name(op->

								       common.

								       aml_opcode),

					       op);



				if (op->named.aml_opcode == AML_INT_NAMEPATH_OP) {

					acpi_os_printf("  %4.4s",

						       op->common.value.string);

				}

				if (op->named.aml_opcode == AML_STRING_OP) {

					acpi_os_printf("  %s",

						       op->common.value.string);

				}

				acpi_os_printf("\n");

			}



			/* Look for an argument or child of the current op */
@@ -49,6 +75,7 @@ void acpi_ps_delete_parse_tree(union acpi_parse_object *subtree_root) 
				/* Still going downward in tree (Op is not completed yet) */



				op = next;

				level++;

				continue;

			}

		}
@@ -69,6 +96,7 @@ void acpi_ps_delete_parse_tree(union acpi_parse_object *subtree_root) 
		if (next) {

			op = next;

		} else {

			level--;

			op = parent;

		}

	}

include/acpi/acoutput.h

+3 −1
Original line number Diff line number Diff line
@@ -80,7 +80,8 @@ 
#define ACPI_LV_ALLOCATIONS         0x00100000

#define ACPI_LV_FUNCTIONS           0x00200000

#define ACPI_LV_OPTIMIZATIONS       0x00400000

#define ACPI_LV_VERBOSITY2          0x00700000 | ACPI_LV_VERBOSITY1

#define ACPI_LV_PARSE_TREES         0x00800000

#define ACPI_LV_VERBOSITY2          0x00F00000 | ACPI_LV_VERBOSITY1

#define ACPI_LV_ALL                 ACPI_LV_VERBOSITY2



/* Trace verbosity level 3 [Threading, I/O, and Interrupts] */
@@ -131,6 +132,7 @@ 
#define ACPI_DB_TABLES              ACPI_DEBUG_LEVEL (ACPI_LV_TABLES)

#define ACPI_DB_FUNCTIONS           ACPI_DEBUG_LEVEL (ACPI_LV_FUNCTIONS)

#define ACPI_DB_OPTIMIZATIONS       ACPI_DEBUG_LEVEL (ACPI_LV_OPTIMIZATIONS)

#define ACPI_DB_PARSE_TREES         ACPI_DEBUG_LEVEL (ACPI_LV_PARSE_TREES)

#define ACPI_DB_VALUES              ACPI_DEBUG_LEVEL (ACPI_LV_VALUES)

#define ACPI_DB_OBJECTS             ACPI_DEBUG_LEVEL (ACPI_LV_OBJECTS)

#define ACPI_DB_ALLOCATIONS         ACPI_DEBUG_LEVEL (ACPI_LV_ALLOCATIONS)