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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: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore 2018-06-01 12:06:41 -07:00 committed by Rafael J. Wysocki
parent 1387cdd8cd
commit fb30b2981d
2 changed files with 34 additions and 4 deletions
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34
drivers/acpi/acpica/pswalk.c
View File

@ -25,22 +25,48 @@ 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) {
/* Check if we are not ascending */
if (op != parent) {
/* This is the descending case */
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 */
next = acpi_ps_get_arg(op, 0);
@ -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;
}
}

4
include/acpi/acoutput.h
View File

@ -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)