patch-2.4.22 linux-2.4.22/drivers/acpi/debugger/dbxface.c

• Lines: 322
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.21/drivers/acpi/debugger/dbxface.c
• Orig date: 2001-10-24 14:06:22.000000000 -0700

diff -urN linux-2.4.21/drivers/acpi/debugger/dbxface.c linux-2.4.22/drivers/acpi/debugger/dbxface.c
@@ -1,321 +0,0 @@
-/*******************************************************************************
- *
- * Module Name: dbxface - AML Debugger external interfaces
- *              $Revision: 45 $
- *
- ******************************************************************************/
-
-/*
- *  Copyright (C) 2000, 2001 R. Byron Moore
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-
-#include "acpi.h"
-#include "acparser.h"
-#include "amlcode.h"
-#include "acnamesp.h"
-#include "acparser.h"
-#include "acevents.h"
-#include "acinterp.h"
-#include "acdebug.h"
-
-
-#ifdef ENABLE_DEBUGGER
-
-#define _COMPONENT          ACPI_DEBUGGER
-	 MODULE_NAME         ("dbxface")
-
-
-/*******************************************************************************
- *
- * FUNCTION:    Acpi_db_single_step
- *
- * PARAMETERS:  Walk_state      - Current walk
- *              Op              - Current executing op
- *              Opcode_class    - Class of the current AML Opcode
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Called just before execution of an AML opcode.
- *
- ******************************************************************************/
-
-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);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    Acpi_db_initialize
- *
- * PARAMETERS:  None
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Init and start debugger
- *
- ******************************************************************************/
-
-int
-acpi_db_initialize (void)
-{
-
-
-	/* Init globals */
-
-	acpi_gbl_db_buffer = acpi_os_callocate (ACPI_DEBUG_BUFFER_SIZE);
-
-	/* Initial scope is the root */
-
-	acpi_gbl_db_scope_buf [0] = '\\';
-	acpi_gbl_db_scope_buf [1] = 0;
-
-
-	/*
-	 * If configured for multi-thread support, the debug executor runs in
-	 * a separate thread so that the front end can be in another address
-	 * space, environment, or even another machine.
-	 */
-	if (acpi_gbl_debugger_configuration & DEBUGGER_MULTI_THREADED) {
-		/* These were created with one unit, grab it */
-
-		acpi_ut_acquire_mutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
-		acpi_ut_acquire_mutex (ACPI_MTX_DEBUG_CMD_READY);
-
-		/* Create the debug execution thread to execute commands */
-
-		acpi_os_queue_for_execution (0, acpi_db_execute_thread, NULL);
-	}
-
-	if (!acpi_gbl_db_opt_verbose) {
-		acpi_gbl_db_disasm_indent = " ";
-		acpi_gbl_db_opt_disasm = TRUE;
-		acpi_gbl_db_opt_stats = FALSE;
-	}
-
-	return (0);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    Acpi_db_terminate
- *
- * PARAMETERS:  None
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Stop debugger
- *
- ******************************************************************************/
-
-void
-acpi_db_terminate (void)
-{
-
-	if (acpi_gbl_db_table_ptr) {
-		acpi_os_free (acpi_gbl_db_table_ptr);
-	}
-	if (acpi_gbl_db_buffer) {
-		acpi_os_free (acpi_gbl_db_buffer);
-	}
-}
-
-
-#endif /* ENABLE_DEBUGGER */