469 lines
12 KiB
C
469 lines
12 KiB
C
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
|
|
/*******************************************************************************
|
|
*
|
|
* Module Name: dbmethod - Debug commands for control methods
|
|
*
|
|
******************************************************************************/
|
|
|
|
#include <acpi/acpi.h>
|
|
#include "accommon.h"
|
|
#include "acdispat.h"
|
|
#include "acnamesp.h"
|
|
#include "acdebug.h"
|
|
#include "acparser.h"
|
|
#include "acpredef.h"
|
|
|
|
#define _COMPONENT ACPI_CA_DEBUGGER
|
|
ACPI_MODULE_NAME("dbmethod")
|
|
|
|
/* Local prototypes */
|
|
static acpi_status
|
|
acpi_db_walk_for_execute(acpi_handle obj_handle,
|
|
u32 nesting_level, void *context, void **return_value);
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_set_method_breakpoint
|
|
*
|
|
* PARAMETERS: location - AML offset of breakpoint
|
|
* walk_state - Current walk info
|
|
* op - Current Op (from parse walk)
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Set a breakpoint in a control method at the specified
|
|
* AML offset
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
acpi_db_set_method_breakpoint(char *location,
|
|
struct acpi_walk_state *walk_state,
|
|
union acpi_parse_object *op)
|
|
{
|
|
u32 address;
|
|
u32 aml_offset;
|
|
|
|
if (!op) {
|
|
acpi_os_printf("There is no method currently executing\n");
|
|
return;
|
|
}
|
|
|
|
/* Get and verify the breakpoint address */
|
|
|
|
address = strtoul(location, NULL, 16);
|
|
aml_offset = (u32)ACPI_PTR_DIFF(op->common.aml,
|
|
walk_state->parser_state.aml_start);
|
|
if (address <= aml_offset) {
|
|
acpi_os_printf("Breakpoint %X is beyond current address %X\n",
|
|
address, aml_offset);
|
|
}
|
|
|
|
/* Save breakpoint in current walk */
|
|
|
|
walk_state->user_breakpoint = address;
|
|
acpi_os_printf("Breakpoint set at AML offset %X\n", address);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_set_method_call_breakpoint
|
|
*
|
|
* PARAMETERS: op - Current Op (from parse walk)
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Set a breakpoint in a control method at the specified
|
|
* AML offset
|
|
*
|
|
******************************************************************************/
|
|
|
|
void acpi_db_set_method_call_breakpoint(union acpi_parse_object *op)
|
|
{
|
|
|
|
if (!op) {
|
|
acpi_os_printf("There is no method currently executing\n");
|
|
return;
|
|
}
|
|
|
|
acpi_gbl_step_to_next_call = TRUE;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_set_method_data
|
|
*
|
|
* PARAMETERS: type_arg - L for local, A for argument
|
|
* index_arg - which one
|
|
* value_arg - Value to set.
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Set a local or argument for the running control method.
|
|
* NOTE: only object supported is Number.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void acpi_db_set_method_data(char *type_arg, char *index_arg, char *value_arg)
|
|
{
|
|
char type;
|
|
u32 index;
|
|
u32 value;
|
|
struct acpi_walk_state *walk_state;
|
|
union acpi_operand_object *obj_desc;
|
|
acpi_status status;
|
|
struct acpi_namespace_node *node;
|
|
|
|
/* Validate type_arg */
|
|
|
|
acpi_ut_strupr(type_arg);
|
|
type = type_arg[0];
|
|
if ((type != 'L') && (type != 'A') && (type != 'N')) {
|
|
acpi_os_printf("Invalid SET operand: %s\n", type_arg);
|
|
return;
|
|
}
|
|
|
|
value = strtoul(value_arg, NULL, 16);
|
|
|
|
if (type == 'N') {
|
|
node = acpi_db_convert_to_node(index_arg);
|
|
if (!node) {
|
|
return;
|
|
}
|
|
|
|
if (node->type != ACPI_TYPE_INTEGER) {
|
|
acpi_os_printf("Can only set Integer nodes\n");
|
|
return;
|
|
}
|
|
obj_desc = node->object;
|
|
obj_desc->integer.value = value;
|
|
return;
|
|
}
|
|
|
|
/* Get the index and value */
|
|
|
|
index = strtoul(index_arg, NULL, 16);
|
|
|
|
walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
|
|
if (!walk_state) {
|
|
acpi_os_printf("There is no method currently executing\n");
|
|
return;
|
|
}
|
|
|
|
/* Create and initialize the new object */
|
|
|
|
obj_desc = acpi_ut_create_integer_object((u64)value);
|
|
if (!obj_desc) {
|
|
acpi_os_printf("Could not create an internal object\n");
|
|
return;
|
|
}
|
|
|
|
/* Store the new object into the target */
|
|
|
|
switch (type) {
|
|
case 'A':
|
|
|
|
/* Set a method argument */
|
|
|
|
if (index > ACPI_METHOD_MAX_ARG) {
|
|
acpi_os_printf("Arg%u - Invalid argument name\n",
|
|
index);
|
|
goto cleanup;
|
|
}
|
|
|
|
status = acpi_ds_store_object_to_local(ACPI_REFCLASS_ARG,
|
|
index, obj_desc,
|
|
walk_state);
|
|
if (ACPI_FAILURE(status)) {
|
|
goto cleanup;
|
|
}
|
|
|
|
obj_desc = walk_state->arguments[index].object;
|
|
|
|
acpi_os_printf("Arg%u: ", index);
|
|
acpi_db_display_internal_object(obj_desc, walk_state);
|
|
break;
|
|
|
|
case 'L':
|
|
|
|
/* Set a method local */
|
|
|
|
if (index > ACPI_METHOD_MAX_LOCAL) {
|
|
acpi_os_printf
|
|
("Local%u - Invalid local variable name\n", index);
|
|
goto cleanup;
|
|
}
|
|
|
|
status = acpi_ds_store_object_to_local(ACPI_REFCLASS_LOCAL,
|
|
index, obj_desc,
|
|
walk_state);
|
|
if (ACPI_FAILURE(status)) {
|
|
goto cleanup;
|
|
}
|
|
|
|
obj_desc = walk_state->local_variables[index].object;
|
|
|
|
acpi_os_printf("Local%u: ", index);
|
|
acpi_db_display_internal_object(obj_desc, walk_state);
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
}
|
|
|
|
cleanup:
|
|
acpi_ut_remove_reference(obj_desc);
|
|
}
|
|
|
|
#ifdef ACPI_DISASSEMBLER
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_disassemble_aml
|
|
*
|
|
* PARAMETERS: statements - Number of statements to disassemble
|
|
* op - Current Op (from parse walk)
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number
|
|
* of statements specified.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void acpi_db_disassemble_aml(char *statements, union acpi_parse_object *op)
|
|
{
|
|
u32 num_statements = 8;
|
|
|
|
if (!op) {
|
|
acpi_os_printf("There is no method currently executing\n");
|
|
return;
|
|
}
|
|
|
|
if (statements) {
|
|
num_statements = strtoul(statements, NULL, 0);
|
|
}
|
|
|
|
acpi_dm_disassemble(NULL, op, num_statements);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_disassemble_method
|
|
*
|
|
* PARAMETERS: name - Name of control method
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number
|
|
* of statements specified.
|
|
*
|
|
******************************************************************************/
|
|
|
|
acpi_status acpi_db_disassemble_method(char *name)
|
|
{
|
|
acpi_status status;
|
|
union acpi_parse_object *op;
|
|
struct acpi_walk_state *walk_state;
|
|
union acpi_operand_object *obj_desc;
|
|
struct acpi_namespace_node *method;
|
|
|
|
method = acpi_db_convert_to_node(name);
|
|
if (!method) {
|
|
return (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
if (method->type != ACPI_TYPE_METHOD) {
|
|
ACPI_ERROR((AE_INFO, "%s (%s): Object must be a control method",
|
|
name, acpi_ut_get_type_name(method->type)));
|
|
return (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
obj_desc = method->object;
|
|
|
|
op = acpi_ps_create_scope_op(obj_desc->method.aml_start);
|
|
if (!op) {
|
|
return (AE_NO_MEMORY);
|
|
}
|
|
|
|
/* Create and initialize a new walk state */
|
|
|
|
walk_state = acpi_ds_create_walk_state(0, op, NULL, NULL);
|
|
if (!walk_state) {
|
|
return (AE_NO_MEMORY);
|
|
}
|
|
|
|
status = acpi_ds_init_aml_walk(walk_state, op, NULL,
|
|
obj_desc->method.aml_start,
|
|
obj_desc->method.aml_length, NULL,
|
|
ACPI_IMODE_LOAD_PASS1);
|
|
if (ACPI_FAILURE(status)) {
|
|
return (status);
|
|
}
|
|
|
|
status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id);
|
|
if (ACPI_FAILURE(status)) {
|
|
return (status);
|
|
}
|
|
|
|
walk_state->owner_id = obj_desc->method.owner_id;
|
|
|
|
/* Push start scope on scope stack and make it current */
|
|
|
|
status = acpi_ds_scope_stack_push(method, method->type, walk_state);
|
|
if (ACPI_FAILURE(status)) {
|
|
return (status);
|
|
}
|
|
|
|
/* Parse the entire method AML including deferred operators */
|
|
|
|
walk_state->parse_flags &= ~ACPI_PARSE_DELETE_TREE;
|
|
walk_state->parse_flags |= ACPI_PARSE_DISASSEMBLE;
|
|
|
|
status = acpi_ps_parse_aml(walk_state);
|
|
(void)acpi_dm_parse_deferred_ops(op);
|
|
|
|
/* Now we can disassemble the method */
|
|
|
|
acpi_gbl_dm_opt_verbose = FALSE;
|
|
acpi_dm_disassemble(NULL, op, 0);
|
|
acpi_gbl_dm_opt_verbose = TRUE;
|
|
|
|
acpi_ps_delete_parse_tree(op);
|
|
|
|
/* Method cleanup */
|
|
|
|
acpi_ns_delete_namespace_subtree(method);
|
|
acpi_ns_delete_namespace_by_owner(obj_desc->method.owner_id);
|
|
acpi_ut_release_owner_id(&obj_desc->method.owner_id);
|
|
return (AE_OK);
|
|
}
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_walk_for_execute
|
|
*
|
|
* PARAMETERS: Callback from walk_namespace
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Batch execution module. Currently only executes predefined
|
|
* ACPI names.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static acpi_status
|
|
acpi_db_walk_for_execute(acpi_handle obj_handle,
|
|
u32 nesting_level, void *context, void **return_value)
|
|
{
|
|
struct acpi_namespace_node *node =
|
|
(struct acpi_namespace_node *)obj_handle;
|
|
struct acpi_db_execute_walk *info =
|
|
(struct acpi_db_execute_walk *)context;
|
|
struct acpi_buffer return_obj;
|
|
acpi_status status;
|
|
char *pathname;
|
|
u32 i;
|
|
struct acpi_device_info *obj_info;
|
|
struct acpi_object_list param_objects;
|
|
union acpi_object params[ACPI_METHOD_NUM_ARGS];
|
|
const union acpi_predefined_info *predefined;
|
|
|
|
predefined = acpi_ut_match_predefined_method(node->name.ascii);
|
|
if (!predefined) {
|
|
return (AE_OK);
|
|
}
|
|
|
|
if (node->type == ACPI_TYPE_LOCAL_SCOPE) {
|
|
return (AE_OK);
|
|
}
|
|
|
|
pathname = acpi_ns_get_external_pathname(node);
|
|
if (!pathname) {
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* Get the object info for number of method parameters */
|
|
|
|
status = acpi_get_object_info(obj_handle, &obj_info);
|
|
if (ACPI_FAILURE(status)) {
|
|
ACPI_FREE(pathname);
|
|
return (status);
|
|
}
|
|
|
|
param_objects.pointer = NULL;
|
|
param_objects.count = 0;
|
|
|
|
if (obj_info->type == ACPI_TYPE_METHOD) {
|
|
|
|
/* Setup default parameters */
|
|
|
|
for (i = 0; i < obj_info->param_count; i++) {
|
|
params[i].type = ACPI_TYPE_INTEGER;
|
|
params[i].integer.value = 1;
|
|
}
|
|
|
|
param_objects.pointer = params;
|
|
param_objects.count = obj_info->param_count;
|
|
}
|
|
|
|
ACPI_FREE(obj_info);
|
|
return_obj.pointer = NULL;
|
|
return_obj.length = ACPI_ALLOCATE_BUFFER;
|
|
|
|
/* Do the actual method execution */
|
|
|
|
acpi_gbl_method_executing = TRUE;
|
|
|
|
status = acpi_evaluate_object(node, NULL, ¶m_objects, &return_obj);
|
|
|
|
acpi_os_printf("%-32s returned %s\n", pathname,
|
|
acpi_format_exception(status));
|
|
acpi_gbl_method_executing = FALSE;
|
|
ACPI_FREE(pathname);
|
|
|
|
/* Ignore status from method execution */
|
|
|
|
status = AE_OK;
|
|
|
|
/* Update count, check if we have executed enough methods */
|
|
|
|
info->count++;
|
|
if (info->count >= info->max_count) {
|
|
status = AE_CTRL_TERMINATE;
|
|
}
|
|
|
|
return (status);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_evaluate_predefined_names
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Namespace batch execution. Execute predefined names in the
|
|
* namespace, up to the max count, if specified.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void acpi_db_evaluate_predefined_names(void)
|
|
{
|
|
struct acpi_db_execute_walk info;
|
|
|
|
info.count = 0;
|
|
info.max_count = ACPI_UINT32_MAX;
|
|
|
|
/* Search all nodes in namespace */
|
|
|
|
(void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
|
|
ACPI_UINT32_MAX, acpi_db_walk_for_execute,
|
|
NULL, (void *)&info, NULL);
|
|
|
|
acpi_os_printf("Evaluated %u predefined names in the namespace\n",
|
|
info.count);
|
|
}
|