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/******************************************************************************* |
* |
* Module Name: dbmethod - Debug commands for control methods |
* |
******************************************************************************/ |
|
/* |
* Copyright (C) 2000 - 2015, Intel Corp. |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* 1. Redistributions of source code must retain the above copyright |
* notice, this list of conditions, and the following disclaimer, |
* without modification. |
* 2. Redistributions in binary form must reproduce at minimum a disclaimer |
* substantially similar to the "NO WARRANTY" disclaimer below |
* ("Disclaimer") and any redistribution must be conditioned upon |
* including a substantially similar Disclaimer requirement for further |
* binary redistribution. |
* 3. Neither the names of the above-listed copyright holders nor the names |
* of any contributors may be used to endorse or promote products derived |
* from this software without specific prior written permission. |
* |
* Alternatively, this software may be distributed under the terms of the |
* GNU General Public License ("GPL") version 2 as published by the Free |
* Software Foundation. |
* |
* NO WARRANTY |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
* POSSIBILITY OF SUCH DAMAGES. |
*/ |
|
#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") |
|
/******************************************************************************* |
* |
* 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); |
} |
|
/******************************************************************************* |
* |
* 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); |
} |
#ifdef ACPI_DISASSEMBLER |
acpi_dm_disassemble(NULL, op, num_statements); |
#endif |
} |
|
/******************************************************************************* |
* |
* 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); |
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); |
|
#ifdef ACPI_DISASSEMBLER |
(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; |
#endif |
|
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); |
} |