patch-2.4.6 linux/drivers/acpi/debugger/dbutils.c

• Lines: 355
• Date: Wed Jun 20 17:47:39 2001
• Orig file: v2.4.5/linux/drivers/acpi/debugger/dbutils.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.5/linux/drivers/acpi/debugger/dbutils.c linux/drivers/acpi/debugger/dbutils.c
@@ -0,0 +1,354 @@
+/*******************************************************************************
+ *
+ * Module Name: dbutils - AML debugger utilities
+ *              $Revision: 37 $
+ *
+ ******************************************************************************/
+
+/*
+ *  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"
+#include "acdispat.h"
+
+
+#ifdef ENABLE_DEBUGGER
+
+#define _COMPONENT          ACPI_DEBUGGER
+	 MODULE_NAME         ("dbutils")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Acpi_db_set_output_destination
+ *
+ * PARAMETERS:  Output_flags        - Current flags word
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set the current destination for debugger output.  Alos sets
+ *              the debug output level accordingly.
+ *
+ ******************************************************************************/
+
+void
+acpi_db_set_output_destination (
+	u32                     output_flags)
+{
+
+	acpi_gbl_db_output_flags = (u8) output_flags;
+
+	if (output_flags & DB_REDIRECTABLE_OUTPUT) {
+		if (output_to_file) {
+			acpi_dbg_level = acpi_gbl_db_debug_level;
+		}
+	}
+	else {
+		acpi_dbg_level = acpi_gbl_db_console_debug_level;
+	}
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Acpi_db_dump_buffer
+ *
+ * PARAMETERS:  Address             - Pointer to the buffer
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print a portion of a buffer
+ *
+ ******************************************************************************/
+
+void
+acpi_db_dump_buffer (
+	u32                     address)
+{
+
+	acpi_os_printf ("\n_location %X:\n", address);
+
+	acpi_dbg_level |= TRACE_TABLES;
+	acpi_ut_dump_buffer ((u8 *) address, 64, DB_BYTE_DISPLAY, ACPI_UINT32_MAX);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Acpi_db_dump_object
+ *
+ * PARAMETERS:  Obj_desc        - External ACPI object to dump
+ *              Level           - Nesting level.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump the contents of an ACPI external object
+ *
+ ******************************************************************************/
+
+void
+acpi_db_dump_object (
+	ACPI_OBJECT             *obj_desc,
+	u32                     level)
+{
+	u32                     i;
+
+
+	if (!obj_desc) {
+		acpi_os_printf ("[Null Object]\n");
+		return;
+	}
+
+	for (i = 0; i < level; i++) {
+		acpi_os_printf (" ");
+	}
+
+	switch (obj_desc->type) {
+	case ACPI_TYPE_ANY:
+
+		acpi_os_printf ("[Object Reference] Value: %p\n", obj_desc->reference.handle);
+		break;
+
+
+	case ACPI_TYPE_INTEGER:
+		acpi_os_printf ("[Number] Value: %ld (%lX)\n", obj_desc->integer.value, obj_desc->integer.value);
+		break;
+
+
+	case ACPI_TYPE_STRING:
+
+		acpi_os_printf ("[String] Value: ");
+		for (i = 0; i < obj_desc->string.length; i++) {
+			acpi_os_printf ("%c", obj_desc->string.pointer[i]);
+		}
+		acpi_os_printf ("\n");
+		break;
+
+
+	case ACPI_TYPE_BUFFER:
+
+		acpi_os_printf ("[Buffer] Value: ");
+		acpi_ut_dump_buffer ((u8 *) obj_desc->buffer.pointer, obj_desc->buffer.length, DB_DWORD_DISPLAY, _COMPONENT);
+		break;
+
+
+	case ACPI_TYPE_PACKAGE:
+
+		acpi_os_printf ("[Package] Contains %d Elements: \n", obj_desc->package.count);
+
+		for (i = 0; i < obj_desc->package.count; i++) {
+			acpi_db_dump_object (&obj_desc->package.elements[i], level+1);
+		}
+		break;
+
+
+	case INTERNAL_TYPE_REFERENCE:
+		acpi_os_printf ("[Object Reference] Value: %p\n", obj_desc->reference.handle);
+		break;
+
+	case ACPI_TYPE_PROCESSOR:
+		acpi_os_printf ("[Processor]\n");
+		break;
+
+	case ACPI_TYPE_POWER:
+		acpi_os_printf ("[Power Resource]\n");
+		break;
+
+	default:
+
+		acpi_os_printf ("[Unknown Type] %X \n", obj_desc->type);
+		break;
+	}
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Acpi_db_prep_namestring
+ *
+ * PARAMETERS:  Name            - String to prepare
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Translate all forward slashes and dots to backslashes.
+ *
+ ******************************************************************************/
+
+void
+acpi_db_prep_namestring (
+	NATIVE_CHAR             *name)
+{
+
+
+	if (!name) {
+		return;
+	}
+
+	STRUPR (name);
+
+	/* Convert a leading forward slash to a backslash */
+
+	if (*name == '/') {
+		*name = '\\';
+	}
+
+	/* Ignore a leading backslash, this is the root prefix */
+
+	if (*name == '\\') {
+		name++;
+	}
+
+	/* Convert all slash path separators to dots */
+
+	while (*name) {
+		if ((*name == '/') ||
+			(*name == '\\')) {
+			*name = '.';
+		}
+
+		name++;
+	}
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Acpi_db_second_pass_parse
+ *
+ * PARAMETERS:  Root            - Root of the parse tree
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Second pass parse of the ACPI tables.  We need to wait until
+ *              second pass to parse the control methods
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+acpi_db_second_pass_parse (
+	ACPI_PARSE_OBJECT       *root)
+{
+	ACPI_PARSE_OBJECT       *op = root;
+	ACPI_PARSE2_OBJECT      *method;
+	ACPI_PARSE_OBJECT       *search_op;
+	ACPI_PARSE_OBJECT       *start_op;
+	ACPI_STATUS             status = AE_OK;
+	u32                     base_aml_offset;
+
+
+	acpi_os_printf ("Pass two parse ....\n");
+
+	while (op) {
+		if (op->opcode == AML_METHOD_OP) {
+			method = (ACPI_PARSE2_OBJECT *) op;
+			status = acpi_ps_parse_aml (op, method->data, method->length, 0,
+					 NULL, NULL, NULL, acpi_ds_load1_begin_op, acpi_ds_load1_end_op);
+
+
+			base_aml_offset = (method->value.arg)->aml_offset + 1;
+			start_op = (method->value.arg)->next;
+			search_op = start_op;
+
+			while (search_op) {
+				search_op->aml_offset += base_aml_offset;
+				search_op = acpi_ps_get_depth_next (start_op, search_op);
+			}
+
+		}
+
+		if (op->opcode == AML_REGION_OP) {
+			/* TBD: [Investigate] this isn't quite the right thing to do! */
+			/*
+			 *
+			 * Method = (ACPI_DEFERRED_OP *) Op;
+			 * Status = Acpi_ps_parse_aml (Op, Method->Body, Method->Body_length);
+			 */
+		}
+
+		if (ACPI_FAILURE (status)) {
+			return (status);
+		}
+
+		op = acpi_ps_get_depth_next (root, op);
+	}
+
+	return (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Acpi_db_local_ns_lookup
+ *
+ * PARAMETERS:  Name            - Name to lookup
+ *
+ * RETURN:      Pointer to a namespace node
+ *
+ * DESCRIPTION: Lookup a name in the ACPI namespace
+ *
+ ******************************************************************************/
+
+ACPI_NAMESPACE_NODE *
+acpi_db_local_ns_lookup (
+	NATIVE_CHAR             *name)
+{
+	NATIVE_CHAR             *internal_path;
+	ACPI_STATUS             status;
+	ACPI_NAMESPACE_NODE     *node = NULL;
+
+
+	acpi_db_prep_namestring (name);
+
+	/* Build an internal namestring */
+
+	status = acpi_ns_internalize_name (name, &internal_path);
+	if (ACPI_FAILURE (status)) {
+		acpi_os_printf ("Invalid namestring: %s\n", name);
+		return (NULL);
+	}
+
+	/* Lookup the name */
+
+	/* TBD: [Investigate] what scope do we use? */
+	/* Use the root scope for the start of the search */
+
+	status = acpi_ns_lookup (NULL, internal_path, ACPI_TYPE_ANY, IMODE_EXECUTE,
+			   NS_NO_UPSEARCH | NS_DONT_OPEN_SCOPE, NULL, &node);
+
+	if (ACPI_FAILURE (status)) {
+		acpi_os_printf ("Could not locate name: %s %s\n", name, acpi_ut_format_exception (status));
+	}
+
+
+	acpi_ut_free (internal_path);
+
+	return (node);
+}
+
+
+#endif /* ENABLE_DEBUGGER */
+
+