diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/Makefile | 3 | ||||
| -rw-r--r-- | drivers/acpi/acpica/exdebug.c | 325 | ||||
| -rw-r--r-- | drivers/acpi/acpica/extrace.c | 377 |
3 files changed, 379 insertions, 326 deletions
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index 885936f79542..e75f40164258 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -50,6 +50,7 @@ acpi-y += \ exdump.o \ exfield.o \ exfldio.o \ + exmisc.o \ exmutex.o \ exnames.o \ exoparg1.o \ @@ -57,7 +58,6 @@ acpi-y += \ exoparg3.o \ exoparg6.o \ exprep.o \ - exmisc.o \ exregion.o \ exresnte.o \ exresolv.o \ @@ -66,6 +66,7 @@ acpi-y += \ exstoren.o \ exstorob.o \ exsystem.o \ + extrace.o \ exutils.o acpi-y += \ diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c index 665a4b9556e2..815442bbd051 100644 --- a/drivers/acpi/acpica/exdebug.c +++ b/drivers/acpi/acpica/exdebug.c @@ -43,21 +43,11 @@ #include <acpi/acpi.h> #include "accommon.h" -#include "acnamesp.h" #include "acinterp.h" -#include "acparser.h" #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME("exdebug") -static union acpi_operand_object *acpi_gbl_trace_method_object = NULL; - -/* Local prototypes */ - -#ifdef ACPI_DEBUG_OUTPUT -static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type); -#endif - #ifndef ACPI_NO_ERROR_MESSAGES /******************************************************************************* * @@ -80,7 +70,6 @@ static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type); * enabled if necessary. * ******************************************************************************/ - void acpi_ex_do_debug_object(union acpi_operand_object *source_desc, u32 level, u32 index) @@ -319,317 +308,3 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, return_VOID; } #endif - -/******************************************************************************* - * - * FUNCTION: acpi_ex_interpreter_trace_enabled - * - * PARAMETERS: name - Whether method name should be matched, - * this should be checked before starting - * the tracer - * - * RETURN: TRUE if interpreter trace is enabled. - * - * DESCRIPTION: Check whether interpreter trace is enabled - * - ******************************************************************************/ - -static u8 acpi_ex_interpreter_trace_enabled(char *name) -{ - - /* Check if tracing is enabled */ - - if (!(acpi_gbl_trace_flags & ACPI_TRACE_ENABLED)) { - return (FALSE); - } - - /* - * Check if tracing is filtered: - * - * 1. If the tracer is started, acpi_gbl_trace_method_object should have - * been filled by the trace starter - * 2. If the tracer is not started, acpi_gbl_trace_method_name should be - * matched if it is specified - * 3. If the tracer is oneshot style, acpi_gbl_trace_method_name should - * not be cleared by the trace stopper during the first match - */ - if (acpi_gbl_trace_method_object) { - return (TRUE); - } - if (name && - (acpi_gbl_trace_method_name && - strcmp(acpi_gbl_trace_method_name, name))) { - return (FALSE); - } - if ((acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) && - !acpi_gbl_trace_method_name) { - return (FALSE); - } - - return (TRUE); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_get_trace_event_name - * - * PARAMETERS: type - Trace event type - * - * RETURN: Trace event name. - * - * DESCRIPTION: Used to obtain the full trace event name. - * - ******************************************************************************/ - -#ifdef ACPI_DEBUG_OUTPUT - -static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type) -{ - switch (type) { - case ACPI_TRACE_AML_METHOD: - - return "Method"; - - case ACPI_TRACE_AML_OPCODE: - - return "Opcode"; - - case ACPI_TRACE_AML_REGION: - - return "Region"; - - default: - - return ""; - } -} - -#endif - -/******************************************************************************* - * - * FUNCTION: acpi_ex_trace_point - * - * PARAMETERS: type - Trace event type - * begin - TRUE if before execution - * aml - Executed AML address - * pathname - Object path - * - * RETURN: None - * - * DESCRIPTION: Internal interpreter execution trace. - * - ******************************************************************************/ - -void -acpi_ex_trace_point(acpi_trace_event_type type, - u8 begin, u8 *aml, char *pathname) -{ - - ACPI_FUNCTION_NAME(ex_trace_point); - - if (pathname) { - ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT, - "%s %s [0x%p:%s] execution.\n", - acpi_ex_get_trace_event_name(type), - begin ? "Begin" : "End", aml, pathname)); - } else { - ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT, - "%s %s [0x%p] execution.\n", - acpi_ex_get_trace_event_name(type), - begin ? "Begin" : "End", aml)); - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_start_trace_method - * - * PARAMETERS: method_node - Node of the method - * obj_desc - The method object - * walk_state - current state, NULL if not yet executing - * a method. - * - * RETURN: None - * - * DESCRIPTION: Start control method execution trace - * - ******************************************************************************/ - -void -acpi_ex_start_trace_method(struct acpi_namespace_node *method_node, - union acpi_operand_object *obj_desc, - struct acpi_walk_state *walk_state) -{ - acpi_status status; - char *pathname = NULL; - u8 enabled = FALSE; - - ACPI_FUNCTION_NAME(ex_start_trace_method); - - if (method_node) { - pathname = acpi_ns_get_normalized_pathname(method_node, TRUE); - } - - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - goto exit; - } - - enabled = acpi_ex_interpreter_trace_enabled(pathname); - if (enabled && !acpi_gbl_trace_method_object) { - acpi_gbl_trace_method_object = obj_desc; - acpi_gbl_original_dbg_level = acpi_dbg_level; - acpi_gbl_original_dbg_layer = acpi_dbg_layer; - acpi_dbg_level = ACPI_TRACE_LEVEL_ALL; - acpi_dbg_layer = ACPI_TRACE_LAYER_ALL; - - if (acpi_gbl_trace_dbg_level) { - acpi_dbg_level = acpi_gbl_trace_dbg_level; - } - if (acpi_gbl_trace_dbg_layer) { - acpi_dbg_layer = acpi_gbl_trace_dbg_layer; - } - } - - (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); - -exit: - if (enabled) { - ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, TRUE, - obj_desc ? obj_desc->method.aml_start : NULL, - pathname); - } - if (pathname) { - ACPI_FREE(pathname); - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_stop_trace_method - * - * PARAMETERS: method_node - Node of the method - * obj_desc - The method object - * walk_state - current state, NULL if not yet executing - * a method. - * - * RETURN: None - * - * DESCRIPTION: Stop control method execution trace - * - ******************************************************************************/ - -void -acpi_ex_stop_trace_method(struct acpi_namespace_node *method_node, - union acpi_operand_object *obj_desc, - struct acpi_walk_state *walk_state) -{ - acpi_status status; - char *pathname = NULL; - u8 enabled; - - ACPI_FUNCTION_NAME(ex_stop_trace_method); - - if (method_node) { - pathname = acpi_ns_get_normalized_pathname(method_node, TRUE); - } - - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - goto exit_path; - } - - enabled = acpi_ex_interpreter_trace_enabled(NULL); - - (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); - - if (enabled) { - ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, FALSE, - obj_desc ? obj_desc->method.aml_start : NULL, - pathname); - } - - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - goto exit_path; - } - - /* Check whether the tracer should be stopped */ - - if (acpi_gbl_trace_method_object == obj_desc) { - - /* Disable further tracing if type is one-shot */ - - if (acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) { - acpi_gbl_trace_method_name = NULL; - } - - acpi_dbg_level = acpi_gbl_original_dbg_level; - acpi_dbg_layer = acpi_gbl_original_dbg_layer; - acpi_gbl_trace_method_object = NULL; - } - - (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); - -exit_path: - if (pathname) { - ACPI_FREE(pathname); - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_start_trace_opcode - * - * PARAMETERS: op - The parser opcode object - * walk_state - current state, NULL if not yet executing - * a method. - * - * RETURN: None - * - * DESCRIPTION: Start opcode execution trace - * - ******************************************************************************/ - -void -acpi_ex_start_trace_opcode(union acpi_parse_object *op, - struct acpi_walk_state *walk_state) -{ - - ACPI_FUNCTION_NAME(ex_start_trace_opcode); - - if (acpi_ex_interpreter_trace_enabled(NULL) && - (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) { - ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, TRUE, - op->common.aml, op->common.aml_op_name); - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_stop_trace_opcode - * - * PARAMETERS: op - The parser opcode object - * walk_state - current state, NULL if not yet executing - * a method. - * - * RETURN: None - * - * DESCRIPTION: Stop opcode execution trace - * - ******************************************************************************/ - -void -acpi_ex_stop_trace_opcode(union acpi_parse_object *op, - struct acpi_walk_state *walk_state) -{ - - ACPI_FUNCTION_NAME(ex_stop_trace_opcode); - - if (acpi_ex_interpreter_trace_enabled(NULL) && - (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) { - ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, FALSE, - op->common.aml, op->common.aml_op_name); - } -} diff --git a/drivers/acpi/acpica/extrace.c b/drivers/acpi/acpica/extrace.c new file mode 100644 index 000000000000..e4a185eece8a --- /dev/null +++ b/drivers/acpi/acpica/extrace.c @@ -0,0 +1,377 @@ +/****************************************************************************** + * + * Module Name: extrace - Support for interpreter execution tracing + * + *****************************************************************************/ + +/* + * 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 "acnamesp.h" +#include "acinterp.h" + +#define _COMPONENT ACPI_EXECUTER +ACPI_MODULE_NAME("extrace") + +static union acpi_operand_object *acpi_gbl_trace_method_object = NULL; + +/* Local prototypes */ + +#ifdef ACPI_DEBUG_OUTPUT +static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type); +#endif + +/******************************************************************************* + * + * FUNCTION: acpi_ex_interpreter_trace_enabled + * + * PARAMETERS: name - Whether method name should be matched, + * this should be checked before starting + * the tracer + * + * RETURN: TRUE if interpreter trace is enabled. + * + * DESCRIPTION: Check whether interpreter trace is enabled + * + ******************************************************************************/ + +static u8 acpi_ex_interpreter_trace_enabled(char *name) +{ + + /* Check if tracing is enabled */ + + if (!(acpi_gbl_trace_flags & ACPI_TRACE_ENABLED)) { + return (FALSE); + } + + /* + * Check if tracing is filtered: + * + * 1. If the tracer is started, acpi_gbl_trace_method_object should have + * been filled by the trace starter + * 2. If the tracer is not started, acpi_gbl_trace_method_name should be + * matched if it is specified + * 3. If the tracer is oneshot style, acpi_gbl_trace_method_name should + * not be cleared by the trace stopper during the first match + */ + if (acpi_gbl_trace_method_object) { + return (TRUE); + } + + if (name && + (acpi_gbl_trace_method_name && + strcmp(acpi_gbl_trace_method_name, name))) { + return (FALSE); + } + + if ((acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) && + !acpi_gbl_trace_method_name) { + return (FALSE); + } + + return (TRUE); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_get_trace_event_name + * + * PARAMETERS: type - Trace event type + * + * RETURN: Trace event name. + * + * DESCRIPTION: Used to obtain the full trace event name. + * + ******************************************************************************/ + +#ifdef ACPI_DEBUG_OUTPUT + +static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type) +{ + + switch (type) { + case ACPI_TRACE_AML_METHOD: + + return "Method"; + + case ACPI_TRACE_AML_OPCODE: + + return "Opcode"; + + case ACPI_TRACE_AML_REGION: + + return "Region"; + + default: + + return ""; + } +} + +#endif + +/******************************************************************************* + * + * FUNCTION: acpi_ex_trace_point + * + * PARAMETERS: type - Trace event type + * begin - TRUE if before execution + * aml - Executed AML address + * pathname - Object path + * + * RETURN: None + * + * DESCRIPTION: Internal interpreter execution trace. + * + ******************************************************************************/ + +void +acpi_ex_trace_point(acpi_trace_event_type type, + u8 begin, u8 *aml, char *pathname) +{ + + ACPI_FUNCTION_NAME(ex_trace_point); + + if (pathname) { + ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT, + "%s %s [0x%p:%s] execution.\n", + acpi_ex_get_trace_event_name(type), + begin ? "Begin" : "End", aml, pathname)); + } else { + ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT, + "%s %s [0x%p] execution.\n", + acpi_ex_get_trace_event_name(type), + begin ? "Begin" : "End", aml)); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_start_trace_method + * + * PARAMETERS: method_node - Node of the method + * obj_desc - The method object + * walk_state - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Start control method execution trace + * + ******************************************************************************/ + +void +acpi_ex_start_trace_method(struct acpi_namespace_node *method_node, + union acpi_operand_object *obj_desc, + struct acpi_walk_state *walk_state) +{ + acpi_status status; + char *pathname = NULL; + u8 enabled = FALSE; + + ACPI_FUNCTION_NAME(ex_start_trace_method); + + if (method_node) { + pathname = acpi_ns_get_normalized_pathname(method_node, TRUE); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + goto exit; + } + + enabled = acpi_ex_interpreter_trace_enabled(pathname); + if (enabled && !acpi_gbl_trace_method_object) { + acpi_gbl_trace_method_object = obj_desc; + acpi_gbl_original_dbg_level = acpi_dbg_level; + acpi_gbl_original_dbg_layer = acpi_dbg_layer; + acpi_dbg_level = ACPI_TRACE_LEVEL_ALL; + acpi_dbg_layer = ACPI_TRACE_LAYER_ALL; + + if (acpi_gbl_trace_dbg_level) { + acpi_dbg_level = acpi_gbl_trace_dbg_level; + } + + if (acpi_gbl_trace_dbg_layer) { + acpi_dbg_layer = acpi_gbl_trace_dbg_layer; + } + } + + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + +exit: + if (enabled) { + ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, TRUE, + obj_desc ? obj_desc->method.aml_start : NULL, + pathname); + } + + if (pathname) { + ACPI_FREE(pathname); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_stop_trace_method + * + * PARAMETERS: method_node - Node of the method + * obj_desc - The method object + * walk_state - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Stop control method execution trace + * + ******************************************************************************/ + +void +acpi_ex_stop_trace_method(struct acpi_namespace_node *method_node, + union acpi_operand_object *obj_desc, + struct acpi_walk_state *walk_state) +{ + acpi_status status; + char *pathname = NULL; + u8 enabled; + + ACPI_FUNCTION_NAME(ex_stop_trace_method); + + if (method_node) { + pathname = acpi_ns_get_normalized_pathname(method_node, TRUE); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + goto exit_path; + } + + enabled = acpi_ex_interpreter_trace_enabled(NULL); + + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + + if (enabled) { + ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, FALSE, + obj_desc ? obj_desc->method.aml_start : NULL, + pathname); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + goto exit_path; + } + + /* Check whether the tracer should be stopped */ + + if (acpi_gbl_trace_method_object == obj_desc) { + + /* Disable further tracing if type is one-shot */ + + if (acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) { + acpi_gbl_trace_method_name = NULL; + } + + acpi_dbg_level = acpi_gbl_original_dbg_level; + acpi_dbg_layer = acpi_gbl_original_dbg_layer; + acpi_gbl_trace_method_object = NULL; + } + + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + +exit_path: + if (pathname) { + ACPI_FREE(pathname); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_start_trace_opcode + * + * PARAMETERS: op - The parser opcode object + * walk_state - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Start opcode execution trace + * + ******************************************************************************/ + +void +acpi_ex_start_trace_opcode(union acpi_parse_object *op, + struct acpi_walk_state *walk_state) +{ + + ACPI_FUNCTION_NAME(ex_start_trace_opcode); + + if (acpi_ex_interpreter_trace_enabled(NULL) && + (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) { + ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, TRUE, + op->common.aml, op->common.aml_op_name); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_stop_trace_opcode + * + * PARAMETERS: op - The parser opcode object + * walk_state - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Stop opcode execution trace + * + ******************************************************************************/ + +void +acpi_ex_stop_trace_opcode(union acpi_parse_object *op, + struct acpi_walk_state *walk_state) +{ + + ACPI_FUNCTION_NAME(ex_stop_trace_opcode); + + if (acpi_ex_interpreter_trace_enabled(NULL) && + (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) { + ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, FALSE, + op->common.aml, op->common.aml_op_name); + } +} |