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);
}
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);
}
acpi_gbl_db_threads_terminated = TRUE;
}
acpi_status acpi_db_user_commands(void)
{
acpi_status status = AE_OK;
acpi_os_printf("\n");
/* TBD: [Restructure] Need a separate command line buffer for step mode */
while (!acpi_gbl_db_terminate_loop) {
/* Wait the readiness of the command */
status = acpi_os_wait_command_ready();
if (ACPI_FAILURE(status)) {
break;
}
/* Just call to the command line interpreter */
acpi_gbl_method_executing = FALSE;
acpi_gbl_step_to_next_call = FALSE;
(void)acpi_db_command_dispatch(acpi_gbl_db_line_buf, NULL,
NULL);
/* Notify the completion of the command */
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);
}
acpi_status
acpi_db_single_step (
acpi_walk_state *walk_state,
acpi_parse_object *op,
u32 opcode_class)
{
acpi_parse_object *next;
acpi_status status = AE_OK;
u32 original_debug_level;
acpi_parse_object *display_op;
FUNCTION_ENTRY ();
/* Is there a breakpoint set? */
if (walk_state->method_breakpoint) {
/* Check if the breakpoint has been reached or passed */
if (walk_state->method_breakpoint <= op->aml_offset) {
/* Hit the breakpoint, resume single step, reset breakpoint */
acpi_os_printf ("***Break*** at AML offset %X\n", op->aml_offset);
acpi_gbl_cm_single_step = TRUE;
acpi_gbl_step_to_next_call = FALSE;
walk_state->method_breakpoint = 0;
}
}
/*
* Check if this is an opcode that we are interested in --
* namely, opcodes that have arguments
*/
if (op->opcode == AML_INT_NAMEDFIELD_OP) {
return (AE_OK);
}
switch (opcode_class) {
case AML_CLASS_UNKNOWN:
case AML_CLASS_ARGUMENT: /* constants, literals, etc. do nothing */
return (AE_OK);
break;
}
/*
* Under certain debug conditions, display this opcode and its operands
*/
if ((acpi_gbl_db_output_to_file) ||
(acpi_gbl_cm_single_step) ||
(acpi_dbg_level & ACPI_LV_PARSE)) {
if ((acpi_gbl_db_output_to_file) ||
(acpi_dbg_level & ACPI_LV_PARSE)) {
acpi_os_printf ("\n[Aml_debug] Next AML Opcode to execute:\n");
}
/*
* Display this op (and only this op - zero out the NEXT field temporarily,
* and disable parser trace output for the duration of the display because
* we don't want the extraneous debug output)
*/
original_debug_level = acpi_dbg_level;
acpi_dbg_level &= ~(ACPI_LV_PARSE | ACPI_LV_FUNCTIONS);
next = op->next;
op->next = NULL;
display_op = op;
if (op->parent) {
if ((op->parent->opcode == AML_IF_OP) ||
(op->parent->opcode == AML_WHILE_OP)) {
display_op = op->parent;
}
}
/* Now we can display it */
acpi_db_display_op (walk_state, display_op, ACPI_UINT32_MAX);
if ((op->opcode == AML_IF_OP) ||
(op->opcode == AML_WHILE_OP)) {
if (walk_state->control_state->common.value) {
acpi_os_printf ("Predicate was TRUE, executed block\n");
}
else {
acpi_os_printf ("Predicate is FALSE, skipping block\n");
}
}
else if (op->opcode == AML_ELSE_OP) {
/* TBD */
}
/* Restore everything */
op->next = next;
acpi_os_printf ("\n");
acpi_dbg_level = original_debug_level;
}
/* If we are not single stepping, just continue executing the method */
if (!acpi_gbl_cm_single_step) {
return (AE_OK);
}
/*
* If we are executing a step-to-call command,
* Check if this is a method call.
*/
if (acpi_gbl_step_to_next_call) {
if (op->opcode != AML_INT_METHODCALL_OP) {
/* Not a method call, just keep executing */
return (AE_OK);
}
/* Found a method call, stop executing */
acpi_gbl_step_to_next_call = FALSE;
}
/*
* If the next opcode is a method call, we will "step over" it
* by default.
*/
if (op->opcode == AML_INT_METHODCALL_OP) {
acpi_gbl_cm_single_step = FALSE; /* No more single step while executing called method */
/* Set the breakpoint on the call, it will stop execution as soon as we return */
/* TBD: [Future] don't kill the user breakpoint! */
walk_state->method_breakpoint = /* Op->Aml_offset + */ 1; /* Must be non-zero! */
}
/* TBD: [Investigate] what are the namespace locking issues here */
/* Acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); */
/* Go into the command loop and await next user command */
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_ut_release_mutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
acpi_ut_acquire_mutex (ACPI_MTX_DEBUG_CMD_READY);
}
else {
/* Single threaded, we must get a command line ourselves */
/* Force output to console until a command is entered */
acpi_db_set_output_destination (DB_CONSOLE_OUTPUT);
/* Different prompt if method is executing */
if (!acpi_gbl_method_executing) {
acpi_os_printf ("%1c ", DB_COMMAND_PROMPT);
}
else {
acpi_os_printf ("%1c ", DB_EXECUTE_PROMPT);
}
/* Get the user input line */
acpi_os_get_line (acpi_gbl_db_line_buf);
}
status = acpi_db_command_dispatch (acpi_gbl_db_line_buf, walk_state, op);
}
/* Acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); */
/* User commands complete, continue execution of the interrupted method */
return (status);
}
static acpi_status
acpi_db_start_command(struct acpi_walk_state *walk_state,
union acpi_parse_object *op)
{
acpi_status status;
/* TBD: [Investigate] are there namespace locking issues here? */
/* acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); */
/* Go into the command loop and await next user command */
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);
/* 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 */
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_db_command_dispatch(acpi_gbl_db_line_buf, walk_state,
op);
}
/* acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); */
return (status);
}
acpi_status
acpi_db_command_dispatch(char *input_buffer,
struct acpi_walk_state * walk_state,
union acpi_parse_object * op)
{
u32 temp;
u32 command_index;
u32 param_count;
char *command_line;
acpi_status status = AE_CTRL_TRUE;
/* If acpi_terminate has been called, terminate this thread */
if (acpi_gbl_db_terminate_loop) {
return (AE_CTRL_TERMINATE);
}
/* Find command and add to the history buffer */
param_count = acpi_db_get_line(input_buffer);
command_index = acpi_db_match_command(acpi_gbl_db_args[0]);
temp = 0;
/*
* We don't want to add the !! command to the history buffer. It
* would cause an infinite loop because it would always be the
* previous command.
*/
if (command_index != CMD_HISTORY_LAST) {
acpi_db_add_to_history(input_buffer);
}
/* Verify that we have the minimum number of params */
if (param_count < acpi_gbl_db_commands[command_index].min_args) {
acpi_os_printf
("%u parameters entered, [%s] requires %u parameters\n",
param_count, acpi_gbl_db_commands[command_index].name,
acpi_gbl_db_commands[command_index].min_args);
acpi_db_display_command_info(acpi_gbl_db_commands
[command_index].name, FALSE);
return (AE_CTRL_TRUE);
}
/* Decode and dispatch the command */
switch (command_index) {
case CMD_NULL:
if (op) {
return (AE_OK);
}
break;
case CMD_ALLOCATIONS:
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
acpi_ut_dump_allocations((u32)-1, NULL);
#endif
break;
case CMD_ARGS:
case CMD_ARGUMENTS:
acpi_db_display_arguments();
break;
case CMD_BREAKPOINT:
acpi_db_set_method_breakpoint(acpi_gbl_db_args[1], walk_state,
op);
break;
case CMD_BUSINFO:
acpi_db_get_bus_info();
break;
case CMD_CALL:
acpi_db_set_method_call_breakpoint(op);
status = AE_OK;
break;
case CMD_DEBUG:
acpi_db_execute(acpi_gbl_db_args[1],
&acpi_gbl_db_args[2], &acpi_gbl_db_arg_types[2],
EX_SINGLE_STEP);
break;
case CMD_DISASSEMBLE:
case CMD_DISASM:
(void)acpi_db_disassemble_method(acpi_gbl_db_args[1]);
break;
case CMD_DUMP:
acpi_db_decode_and_display_object(acpi_gbl_db_args[1],
acpi_gbl_db_args[2]);
break;
case CMD_EVALUATE:
case CMD_EXECUTE:
acpi_db_execute(acpi_gbl_db_args[1],
&acpi_gbl_db_args[2], &acpi_gbl_db_arg_types[2],
EX_NO_SINGLE_STEP);
break;
case CMD_FIND:
status = acpi_db_find_name_in_namespace(acpi_gbl_db_args[1]);
break;
case CMD_GO:
acpi_gbl_cm_single_step = FALSE;
return (AE_OK);
case CMD_HANDLERS:
acpi_db_display_handlers();
break;
case CMD_HELP:
case CMD_HELP2:
acpi_db_display_help(acpi_gbl_db_args[1]);
break;
case CMD_HISTORY:
acpi_db_display_history();
break;
case CMD_HISTORY_EXE: /* ! command */
command_line = acpi_db_get_from_history(acpi_gbl_db_args[1]);
if (!command_line) {
return (AE_CTRL_TRUE);
}
status = acpi_db_command_dispatch(command_line, walk_state, op);
return (status);
case CMD_HISTORY_LAST: /* !! command */
command_line = acpi_db_get_from_history(NULL);
if (!command_line) {
return (AE_CTRL_TRUE);
}
status = acpi_db_command_dispatch(command_line, walk_state, op);
return (status);
case CMD_INFORMATION:
acpi_db_display_method_info(op);
break;
case CMD_INTEGRITY:
acpi_db_check_integrity();
break;
case CMD_INTO:
if (op) {
acpi_gbl_cm_single_step = TRUE;
return (AE_OK);
}
break;
case CMD_LEVEL:
if (param_count == 0) {
acpi_os_printf
("Current debug level for file output is: %8.8lX\n",
acpi_gbl_db_debug_level);
acpi_os_printf
("Current debug level for console output is: %8.8lX\n",
acpi_gbl_db_console_debug_level);
} else if (param_count == 2) {
temp = acpi_gbl_db_console_debug_level;
acpi_gbl_db_console_debug_level =
strtoul(acpi_gbl_db_args[1], NULL, 16);
acpi_os_printf
("Debug Level for console output was %8.8lX, now %8.8lX\n",
temp, acpi_gbl_db_console_debug_level);
} else {
temp = acpi_gbl_db_debug_level;
acpi_gbl_db_debug_level =
strtoul(acpi_gbl_db_args[1], NULL, 16);
acpi_os_printf
("Debug Level for file output was %8.8lX, now %8.8lX\n",
temp, acpi_gbl_db_debug_level);
}
break;
case CMD_LIST:
acpi_db_disassemble_aml(acpi_gbl_db_args[1], op);
break;
case CMD_LOCKS:
acpi_db_display_locks();
break;
case CMD_LOCALS:
acpi_db_display_locals();
break;
case CMD_METHODS:
status = acpi_db_display_objects("METHOD", acpi_gbl_db_args[1]);
break;
case CMD_NAMESPACE:
acpi_db_dump_namespace(acpi_gbl_db_args[1],
acpi_gbl_db_args[2]);
break;
case CMD_NOTIFY:
temp = strtoul(acpi_gbl_db_args[2], NULL, 0);
acpi_db_send_notify(acpi_gbl_db_args[1], temp);
break;
case CMD_OBJECTS:
acpi_ut_strupr(acpi_gbl_db_args[1]);
status =
acpi_db_display_objects(acpi_gbl_db_args[1],
acpi_gbl_db_args[2]);
break;
case CMD_OSI:
acpi_db_display_interfaces(acpi_gbl_db_args[1],
acpi_gbl_db_args[2]);
break;
case CMD_OWNER:
acpi_db_dump_namespace_by_owner(acpi_gbl_db_args[1],
acpi_gbl_db_args[2]);
break;
case CMD_PATHS:
acpi_db_dump_namespace_paths();
break;
case CMD_PREFIX:
acpi_db_set_scope(acpi_gbl_db_args[1]);
break;
case CMD_REFERENCES:
acpi_db_find_references(acpi_gbl_db_args[1]);
break;
case CMD_RESOURCES:
acpi_db_display_resources(acpi_gbl_db_args[1]);
break;
case CMD_RESULTS:
acpi_db_display_results();
break;
case CMD_SET:
acpi_db_set_method_data(acpi_gbl_db_args[1],
acpi_gbl_db_args[2],
acpi_gbl_db_args[3]);
break;
case CMD_STATS:
status = acpi_db_display_statistics(acpi_gbl_db_args[1]);
break;
case CMD_STOP:
return (AE_NOT_IMPLEMENTED);
case CMD_TABLES:
acpi_db_display_table_info(acpi_gbl_db_args[1]);
break;
case CMD_TEMPLATE:
acpi_db_display_template(acpi_gbl_db_args[1]);
break;
case CMD_TRACE:
acpi_db_trace(acpi_gbl_db_args[1], acpi_gbl_db_args[2],
acpi_gbl_db_args[3]);
break;
case CMD_TREE:
acpi_db_display_calling_tree();
break;
case CMD_TYPE:
acpi_db_display_object_type(acpi_gbl_db_args[1]);
break;
#ifdef ACPI_APPLICATION
/* Hardware simulation commands. */
case CMD_ENABLEACPI:
#if (!ACPI_REDUCED_HARDWARE)
status = acpi_enable();
if (ACPI_FAILURE(status)) {
acpi_os_printf("AcpiEnable failed (Status=%X)\n",
status);
return (status);
}
#endif /* !ACPI_REDUCED_HARDWARE */
break;
case CMD_EVENT:
acpi_os_printf("Event command not implemented\n");
break;
case CMD_GPE:
acpi_db_generate_gpe(acpi_gbl_db_args[1], acpi_gbl_db_args[2]);
break;
case CMD_GPES:
acpi_db_display_gpes();
break;
case CMD_SCI:
acpi_db_generate_sci();
break;
case CMD_SLEEP:
status = acpi_db_sleep(acpi_gbl_db_args[1]);
break;
/* File I/O commands. */
case CMD_CLOSE:
acpi_db_close_debug_file();
break;
case CMD_LOAD:{
struct acpi_new_table_desc *list_head = NULL;
status =
ac_get_all_tables_from_file(acpi_gbl_db_args[1],
ACPI_GET_ALL_TABLES,
&list_head);
if (ACPI_SUCCESS(status)) {
acpi_db_load_tables(list_head);
}
}
break;
case CMD_OPEN:
acpi_db_open_debug_file(acpi_gbl_db_args[1]);
break;
/* User space commands. */
case CMD_TERMINATE:
acpi_db_set_output_destination(ACPI_DB_REDIRECTABLE_OUTPUT);
acpi_ut_subsystem_shutdown();
/*
* TBD: [Restructure] Need some way to re-initialize without
* re-creating the semaphores!
*/
acpi_gbl_db_terminate_loop = TRUE;
/* acpi_initialize (NULL); */
break;
case CMD_THREADS:
acpi_db_create_execution_threads(acpi_gbl_db_args[1],
acpi_gbl_db_args[2],
acpi_gbl_db_args[3]);
break;
/* Debug test commands. */
case CMD_PREDEFINED:
acpi_db_check_predefined_names();
break;
case CMD_TEST:
acpi_db_execute_test(acpi_gbl_db_args[1]);
break;
case CMD_UNLOAD:
acpi_db_unload_acpi_table(acpi_gbl_db_args[1]);
break;
#endif
case CMD_EXIT:
case CMD_QUIT:
if (op) {
acpi_os_printf("Method execution terminated\n");
return (AE_CTRL_TERMINATE);
}
if (!acpi_gbl_db_output_to_file) {
acpi_dbg_level = ACPI_DEBUG_DEFAULT;
}
#ifdef ACPI_APPLICATION
acpi_db_close_debug_file();
#endif
acpi_gbl_db_terminate_loop = TRUE;
return (AE_CTRL_TERMINATE);
case CMD_NOT_FOUND:
default:
acpi_os_printf("%s: unknown command\n", acpi_gbl_db_args[0]);
return (AE_CTRL_TRUE);
}
if (ACPI_SUCCESS(status)) {
status = AE_CTRL_TRUE;
}
return (status);
}
