diff options
author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-01-01 03:26:26 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-01-01 03:26:26 +0100 |
commit | b17629dbf72d0718e88190d7f0a1d54be044799c (patch) | |
tree | 90e1908b4c7eab87989b17341cdaa8d074e355b2 /drivers/acpi/acpica | |
parent | 74bf8efb5fa6e958d2d7c7917b8bb672085ec0c6 (diff) | |
parent | 59adb3988ebeec012343317ac783d6a7935e0c83 (diff) | |
download | linux-b17629dbf72d0718e88190d7f0a1d54be044799c.tar.gz |
Merge branch 'acpi-debug' into acpica
Diffstat (limited to 'drivers/acpi/acpica')
-rw-r--r-- | drivers/acpi/acpica/acdebug.h | 36 | ||||
-rw-r--r-- | drivers/acpi/acpica/acglobal.h | 5 | ||||
-rw-r--r-- | drivers/acpi/acpica/acmacros.h | 11 | ||||
-rw-r--r-- | drivers/acpi/acpica/dbdisply.c | 12 | ||||
-rw-r--r-- | drivers/acpi/acpica/dbinput.c | 100 | ||||
-rw-r--r-- | drivers/acpi/acpica/dbxface.c | 93 | ||||
-rw-r--r-- | drivers/acpi/acpica/dscontrol.c | 10 | ||||
-rw-r--r-- | drivers/acpi/acpica/dsutils.c | 16 | ||||
-rw-r--r-- | drivers/acpi/acpica/dswexec.c | 16 | ||||
-rw-r--r-- | drivers/acpi/acpica/utmutex.c | 17 |
10 files changed, 121 insertions, 195 deletions
diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h index c928ba494c40..dcaa15d5fe27 100644 --- a/drivers/acpi/acpica/acdebug.h +++ b/drivers/acpi/acpica/acdebug.h @@ -80,9 +80,15 @@ struct acpi_db_execute_walk { /* * dbxface - external debugger interfaces */ -acpi_status -acpi_db_single_step(struct acpi_walk_state *walk_state, - union acpi_parse_object *op, u32 op_type); +ACPI_DBR_DEPENDENT_RETURN_OK(acpi_status + acpi_db_single_step(struct acpi_walk_state + *walk_state, + union acpi_parse_object *op, + u32 op_type)) + ACPI_DBR_DEPENDENT_RETURN_VOID(void + acpi_db_signal_break_point(struct + acpi_walk_state + *walk_state)) /* * dbcmds - debug commands and output routines @@ -182,11 +188,15 @@ void acpi_db_display_method_info(union acpi_parse_object *op); void acpi_db_decode_and_display_object(char *target, char *output_type); -void -acpi_db_display_result_object(union acpi_operand_object *obj_desc, - struct acpi_walk_state *walk_state); +ACPI_DBR_DEPENDENT_RETURN_VOID(void + acpi_db_display_result_object(union + acpi_operand_object + *obj_desc, + struct + acpi_walk_state + *walk_state)) -acpi_status acpi_db_display_all_methods(char *display_count_arg); + acpi_status acpi_db_display_all_methods(char *display_count_arg); void acpi_db_display_arguments(void); @@ -198,9 +208,13 @@ void acpi_db_display_calling_tree(void); void acpi_db_display_object_type(char *object_arg); -void -acpi_db_display_argument_object(union acpi_operand_object *obj_desc, - struct acpi_walk_state *walk_state); +ACPI_DBR_DEPENDENT_RETURN_VOID(void + acpi_db_display_argument_object(union + acpi_operand_object + *obj_desc, + struct + acpi_walk_state + *walk_state)) /* * dbexec - debugger control method execution @@ -257,7 +271,7 @@ acpi_db_command_dispatch(char *input_buffer, void ACPI_SYSTEM_XFACE acpi_db_execute_thread(void *context); -acpi_status acpi_db_user_commands(char prompt, union acpi_parse_object *op); +acpi_status acpi_db_user_commands(void); char *acpi_db_get_next_token(char *string, char **next, acpi_object_type * return_type); diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index faa97604d878..3977134f2619 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -326,7 +326,6 @@ ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list); #ifdef ACPI_DEBUGGER ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE); -ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE); ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID); ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods); @@ -345,7 +344,6 @@ ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]); /* These buffers should all be the same size */ -ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]); ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]); ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]); ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]); @@ -360,9 +358,6 @@ ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc); ACPI_GLOBAL(u32, acpi_gbl_num_nodes); ACPI_GLOBAL(u32, acpi_gbl_num_objects); -ACPI_GLOBAL(acpi_mutex, acpi_gbl_db_command_ready); -ACPI_GLOBAL(acpi_mutex, acpi_gbl_db_command_complete); - #endif /* ACPI_DEBUGGER */ /***************************************************************************** diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h index e85366ceb15a..bad5bca03acc 100644 --- a/drivers/acpi/acpica/acmacros.h +++ b/drivers/acpi/acpica/acmacros.h @@ -401,17 +401,6 @@ #endif /* - * Some code only gets executed when the debugger is built in. - * Note that this is entirely independent of whether the - * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not. - */ -#ifdef ACPI_DEBUGGER -#define ACPI_DEBUGGER_EXEC(a) a -#else -#define ACPI_DEBUGGER_EXEC(a) -#endif - -/* * Macros used for ACPICA utilities only */ diff --git a/drivers/acpi/acpica/dbdisply.c b/drivers/acpi/acpica/dbdisply.c index 672977ec7c7d..c42ce8aa9dfe 100644 --- a/drivers/acpi/acpica/dbdisply.c +++ b/drivers/acpi/acpica/dbdisply.c @@ -679,6 +679,12 @@ acpi_db_display_result_object(union acpi_operand_object *obj_desc, struct acpi_walk_state *walk_state) { +#ifndef ACPI_APPLICATION + if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) { + return; + } +#endif + /* Only display if single stepping */ if (!acpi_gbl_cm_single_step) { @@ -708,6 +714,12 @@ acpi_db_display_argument_object(union acpi_operand_object *obj_desc, struct acpi_walk_state *walk_state) { +#ifndef ACPI_APPLICATION + if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) { + return; + } +#endif + if (!acpi_gbl_cm_single_step) { return; } diff --git a/drivers/acpi/acpica/dbinput.c b/drivers/acpi/acpica/dbinput.c index 0480254437f1..2bf8e6b90d5b 100644 --- a/drivers/acpi/acpica/dbinput.c +++ b/drivers/acpi/acpica/dbinput.c @@ -53,8 +53,6 @@ static u32 acpi_db_get_line(char *input_buffer); static u32 acpi_db_match_command(char *user_command); -static void acpi_db_single_thread(void); - static void acpi_db_display_command_info(char *command, u8 display_all); static void acpi_db_display_help(char *command); @@ -1149,55 +1147,16 @@ acpi_db_command_dispatch(char *input_buffer, void ACPI_SYSTEM_XFACE acpi_db_execute_thread(void *context) { - acpi_status status = AE_OK; - acpi_status Mstatus; - - while (status != AE_CTRL_TERMINATE && !acpi_gbl_db_terminate_loop) { - acpi_gbl_method_executing = FALSE; - acpi_gbl_step_to_next_call = FALSE; - - Mstatus = acpi_os_acquire_mutex(acpi_gbl_db_command_ready, - ACPI_WAIT_FOREVER); - if (ACPI_FAILURE(Mstatus)) { - return; - } - - status = - acpi_db_command_dispatch(acpi_gbl_db_line_buf, NULL, NULL); - acpi_os_release_mutex(acpi_gbl_db_command_complete); - } + (void)acpi_db_user_commands(); acpi_gbl_db_threads_terminated = TRUE; } /******************************************************************************* * - * FUNCTION: acpi_db_single_thread - * - * PARAMETERS: None - * - * RETURN: None - * - * DESCRIPTION: Debugger execute thread. Waits for a command line, then - * simply dispatches it. - * - ******************************************************************************/ - -static void acpi_db_single_thread(void) -{ - - acpi_gbl_method_executing = FALSE; - acpi_gbl_step_to_next_call = FALSE; - - (void)acpi_db_command_dispatch(acpi_gbl_db_line_buf, NULL, NULL); -} - -/******************************************************************************* - * * FUNCTION: acpi_db_user_commands * - * PARAMETERS: prompt - User prompt (depends on mode) - * op - Current executing parse op + * PARAMETERS: None * * RETURN: None * @@ -1206,7 +1165,7 @@ static void acpi_db_single_thread(void) * ******************************************************************************/ -acpi_status acpi_db_user_commands(char prompt, union acpi_parse_object *op) +acpi_status acpi_db_user_commands(void) { acpi_status status = AE_OK; @@ -1216,52 +1175,31 @@ acpi_status acpi_db_user_commands(char prompt, union acpi_parse_object *op) while (!acpi_gbl_db_terminate_loop) { - /* Force output to console until a command is entered */ - - acpi_db_set_output_destination(ACPI_DB_CONSOLE_OUTPUT); - - /* Different prompt if method is executing */ - - if (!acpi_gbl_method_executing) { - acpi_os_printf("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT); - } else { - acpi_os_printf("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT); - } - - /* Get the user input line */ + /* Wait the readiness of the command */ - status = acpi_os_get_line(acpi_gbl_db_line_buf, - ACPI_DB_LINE_BUFFER_SIZE, NULL); + status = acpi_os_wait_command_ready(); if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "While parsing command line")); - return (status); + break; } - /* Check for single or multithreaded debug */ + /* Just call to the command line interpreter */ - if (acpi_gbl_debugger_configuration & DEBUGGER_MULTI_THREADED) { - /* - * Signal the debug thread that we have a command to execute, - * and wait for the command to complete. - */ - acpi_os_release_mutex(acpi_gbl_db_command_ready); - if (ACPI_FAILURE(status)) { - return (status); - } + acpi_gbl_method_executing = FALSE; + acpi_gbl_step_to_next_call = FALSE; - status = - acpi_os_acquire_mutex(acpi_gbl_db_command_complete, - ACPI_WAIT_FOREVER); - if (ACPI_FAILURE(status)) { - return (status); - } - } else { - /* Just call to the command line interpreter */ + (void)acpi_db_command_dispatch(acpi_gbl_db_line_buf, NULL, + NULL); + + /* Notify the completion of the command */ - acpi_db_single_thread(); + status = acpi_os_notify_command_complete(); + if (ACPI_FAILURE(status)) { + break; } } + if (ACPI_FAILURE(status) && status != AE_CTRL_TERMINATE) { + ACPI_EXCEPTION((AE_INFO, status, "While parsing command line")); + } return (status); } diff --git a/drivers/acpi/acpica/dbxface.c b/drivers/acpi/acpica/dbxface.c index 342298a6e10f..d7ff58e8c233 100644 --- a/drivers/acpi/acpica/dbxface.c +++ b/drivers/acpi/acpica/dbxface.c @@ -85,46 +85,21 @@ acpi_db_start_command(struct acpi_walk_state *walk_state, acpi_gbl_method_executing = TRUE; status = AE_CTRL_TRUE; - while (status == AE_CTRL_TRUE) { - if (acpi_gbl_debugger_configuration == DEBUGGER_MULTI_THREADED) { - - /* Handshake with the front-end that gets user command lines */ - - acpi_os_release_mutex(acpi_gbl_db_command_complete); - - status = - acpi_os_acquire_mutex(acpi_gbl_db_command_ready, - ACPI_WAIT_FOREVER); - if (ACPI_FAILURE(status)) { - return (status); - } - } else { - /* Single threaded, we must get a command line ourselves */ - - /* Force output to console until a command is entered */ - acpi_db_set_output_destination(ACPI_DB_CONSOLE_OUTPUT); + while (status == AE_CTRL_TRUE) { - /* Different prompt if method is executing */ + /* Notify the completion of the command */ - if (!acpi_gbl_method_executing) { - acpi_os_printf("%1c ", - ACPI_DEBUGGER_COMMAND_PROMPT); - } else { - acpi_os_printf("%1c ", - ACPI_DEBUGGER_EXECUTE_PROMPT); - } + status = acpi_os_notify_command_complete(); + if (ACPI_FAILURE(status)) { + goto error_exit; + } - /* Get the user input line */ + /* Wait the readiness of the command */ - status = acpi_os_get_line(acpi_gbl_db_line_buf, - ACPI_DB_LINE_BUFFER_SIZE, - NULL); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "While parsing command line")); - return (status); - } + status = acpi_os_wait_command_ready(); + if (ACPI_FAILURE(status)) { + goto error_exit; } status = @@ -134,11 +109,46 @@ acpi_db_start_command(struct acpi_walk_state *walk_state, /* acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); */ +error_exit: + if (ACPI_FAILURE(status) && status != AE_CTRL_TERMINATE) { + ACPI_EXCEPTION((AE_INFO, status, + "While parsing/handling command line")); + } return (status); } /******************************************************************************* * + * FUNCTION: acpi_db_signal_break_point + * + * PARAMETERS: walk_state - Current walk + * + * RETURN: Status + * + * DESCRIPTION: Called for AML_BREAK_POINT_OP + * + ******************************************************************************/ + +void acpi_db_signal_break_point(struct acpi_walk_state *walk_state) +{ + +#ifndef ACPI_APPLICATION + if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) { + return; + } +#endif + + /* + * Set the single-step flag. This will cause the debugger (if present) + * to break to the console within the AML debugger at the start of the + * next AML instruction. + */ + acpi_gbl_cm_single_step = TRUE; + acpi_os_printf("**break** Executed AML BreakPoint opcode\n"); +} + +/******************************************************************************* + * * FUNCTION: acpi_db_single_step * * PARAMETERS: walk_state - Current walk @@ -420,15 +430,7 @@ acpi_status acpi_initialize_debugger(void) /* These were created with one unit, grab it */ - status = acpi_os_acquire_mutex(acpi_gbl_db_command_complete, - ACPI_WAIT_FOREVER); - if (ACPI_FAILURE(status)) { - acpi_os_printf("Could not get debugger mutex\n"); - return_ACPI_STATUS(status); - } - - status = acpi_os_acquire_mutex(acpi_gbl_db_command_ready, - ACPI_WAIT_FOREVER); + status = acpi_os_initialize_command_signals(); if (ACPI_FAILURE(status)) { acpi_os_printf("Could not get debugger mutex\n"); return_ACPI_STATUS(status); @@ -473,13 +475,14 @@ void acpi_terminate_debugger(void) acpi_gbl_db_terminate_loop = TRUE; if (acpi_gbl_debugger_configuration & DEBUGGER_MULTI_THREADED) { - acpi_os_release_mutex(acpi_gbl_db_command_ready); /* Wait the AML Debugger threads */ while (!acpi_gbl_db_threads_terminated) { acpi_os_sleep(100); } + + acpi_os_terminate_command_signals(); } if (acpi_gbl_db_buffer) { diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c index 435fc16e2f83..06a6f7f3af52 100644 --- a/drivers/acpi/acpica/dscontrol.c +++ b/drivers/acpi/acpica/dscontrol.c @@ -47,6 +47,7 @@ #include "amlcode.h" #include "acdispat.h" #include "acinterp.h" +#include "acdebug.h" #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME("dscontrol") @@ -348,14 +349,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state, case AML_BREAK_POINT_OP: - /* - * Set the single-step flag. This will cause the debugger (if present) - * to break to the console within the AML debugger at the start of the - * next AML instruction. - */ - ACPI_DEBUGGER_EXEC(acpi_gbl_cm_single_step = TRUE); - ACPI_DEBUGGER_EXEC(acpi_os_printf - ("**break** Executed AML BreakPoint opcode\n")); + acpi_db_signal_break_point(walk_state); /* Call to the OSL in case OS wants a piece of the action */ diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c index ebc577baeaf9..e4293a8794ea 100644 --- a/drivers/acpi/acpica/dsutils.c +++ b/drivers/acpi/acpica/dsutils.c @@ -605,8 +605,8 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } - ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object - (obj_desc, walk_state)); + + acpi_db_display_argument_object(obj_desc, walk_state); } else { /* Check for null name case */ @@ -638,10 +638,11 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Argument previously created, already stacked\n")); - ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object - (walk_state-> - operands[walk_state->num_operands - - 1], walk_state)); + acpi_db_display_argument_object(walk_state-> + operands[walk_state-> + num_operands - + 1], + walk_state); /* * Use value that was already previously returned @@ -685,8 +686,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, return_ACPI_STATUS(status); } - ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object - (obj_desc, walk_state)); + acpi_db_display_argument_object(obj_desc, walk_state); } return_ACPI_STATUS(AE_OK); diff --git a/drivers/acpi/acpica/dswexec.c b/drivers/acpi/acpica/dswexec.c index df54d46225cd..9cc5761ef483 100644 --- a/drivers/acpi/acpica/dswexec.c +++ b/drivers/acpi/acpica/dswexec.c @@ -178,8 +178,7 @@ cleanup: /* Break to debugger to display result */ - ACPI_DEBUGGER_EXEC(acpi_db_display_result_object - (local_obj_desc, walk_state)); + acpi_db_display_result_object(local_obj_desc, walk_state); /* * Delete the predicate result object (we know that @@ -386,11 +385,10 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) /* Call debugger for single step support (DEBUG build only) */ - ACPI_DEBUGGER_EXEC(status = - acpi_db_single_step(walk_state, op, op_class)); - ACPI_DEBUGGER_EXEC(if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status);} - ) ; + status = acpi_db_single_step(walk_state, op, op_class); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } /* Decode the Opcode Class */ @@ -728,8 +726,8 @@ cleanup: /* Break to debugger to display result */ - ACPI_DEBUGGER_EXEC(acpi_db_display_result_object - (walk_state->result_obj, walk_state)); + acpi_db_display_result_object(walk_state->result_obj, + walk_state); /* * Delete the result op if and only if: diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c index ce406e39b669..ea0c207ff572 100644 --- a/drivers/acpi/acpica/utmutex.c +++ b/drivers/acpi/acpica/utmutex.c @@ -111,17 +111,6 @@ acpi_status acpi_ut_mutex_initialize(void) if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } -#ifdef ACPI_DEBUGGER - - /* Debugger Support */ - - status = acpi_os_create_mutex(&acpi_gbl_db_command_ready); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - status = acpi_os_create_mutex(&acpi_gbl_db_command_complete); -#endif return_ACPI_STATUS(status); } @@ -162,12 +151,6 @@ void acpi_ut_mutex_terminate(void) /* Delete the reader/writer lock */ acpi_ut_delete_rw_lock(&acpi_gbl_namespace_rw_lock); - -#ifdef ACPI_DEBUGGER - acpi_os_delete_mutex(acpi_gbl_db_command_ready); - acpi_os_delete_mutex(acpi_gbl_db_command_complete); -#endif - return_VOID; } |