patch-2.4.6 linux/drivers/acpi/debugger/dbdisply.c
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- Lines: 781
- Date:
Wed Jun 20 17:47:39 2001
- Orig file:
v2.4.5/linux/drivers/acpi/debugger/dbdisply.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.4.5/linux/drivers/acpi/debugger/dbdisply.c linux/drivers/acpi/debugger/dbdisply.c
@@ -0,0 +1,780 @@
+/*******************************************************************************
+ *
+ * Module Name: dbdisply - debug display commands
+ * $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 "acdispat.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 ("dbdisply")
+
+
+/******************************************************************************
+ *
+ * FUNCTION: Acpi_db_get_pointer
+ *
+ * PARAMETERS: Target - Pointer to string to be converted
+ *
+ * RETURN: Converted pointer
+ *
+ * DESCRIPTION: Convert an ascii pointer value to a real value
+ *
+ *****************************************************************************/
+
+void *
+acpi_db_get_pointer (
+ void *target)
+{
+ void *obj_ptr;
+
+
+#ifdef _IA16
+#include <stdio.h>
+
+ /* Have to handle 16-bit pointers of the form segment:offset */
+
+ if (!sscanf (target, "%p", &obj_ptr)) {
+ acpi_os_printf ("Invalid pointer: %s\n", target);
+ return (NULL);
+ }
+
+#else
+
+ /* Simple flat pointer */
+
+ obj_ptr = (void *) STRTOUL (target, NULL, 16);
+
+#endif
+
+ return (obj_ptr);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: Acpi_db_dump_parser_descriptor
+ *
+ * PARAMETERS: Op - A parser Op descriptor
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Display a formatted parser object
+ *
+ ******************************************************************************/
+
+void
+acpi_db_dump_parser_descriptor (
+ ACPI_PARSE_OBJECT *op)
+{
+ ACPI_OPCODE_INFO *info;
+
+
+ info = acpi_ps_get_opcode_info (op->opcode);
+
+ acpi_os_printf ("Parser Op Descriptor:\n");
+ acpi_os_printf ("%20.20s : %4.4X\n", "Opcode", op->opcode);
+
+ DEBUG_ONLY_MEMBERS (acpi_os_printf ("%20.20s : %s\n", "Opcode Name", info->name));
+
+ acpi_os_printf ("%20.20s : %p\n", "Value/Arg_list", op->value);
+ acpi_os_printf ("%20.20s : %p\n", "Parent", op->parent);
+ acpi_os_printf ("%20.20s : %p\n", "Next_op", op->next);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: Acpi_db_decode_and_display_object
+ *
+ * PARAMETERS: Target - String with object to be displayed. Names
+ * and hex pointers are supported.
+ * Output_type - Byte, Word, Dword, or Qword (B|W|D|Q)
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Display a formatted ACPI object
+ *
+ ******************************************************************************/
+
+void
+acpi_db_decode_and_display_object (
+ NATIVE_CHAR *target,
+ NATIVE_CHAR *output_type)
+{
+ void *obj_ptr;
+ ACPI_NAMESPACE_NODE *node;
+ u32 display = DB_BYTE_DISPLAY;
+ NATIVE_CHAR buffer[80];
+ ACPI_BUFFER ret_buf;
+ ACPI_STATUS status;
+ u32 size;
+
+
+ if (!target) {
+ return;
+ }
+
+ /* Decode the output type */
+
+ if (output_type) {
+ STRUPR (output_type);
+ if (output_type[0] == 'W') {
+ display = DB_WORD_DISPLAY;
+ }
+ else if (output_type[0] == 'D') {
+ display = DB_DWORD_DISPLAY;
+ }
+ else if (output_type[0] == 'Q') {
+ display = DB_QWORD_DISPLAY;
+ }
+ }
+
+
+ ret_buf.length = sizeof (buffer);
+ ret_buf.pointer = buffer;
+
+ /* Differentiate between a number and a name */
+
+ if ((target[0] >= 0x30) && (target[0] <= 0x39)) {
+ obj_ptr = acpi_db_get_pointer (target);
+ if (!acpi_os_readable (obj_ptr, 16)) {
+ acpi_os_printf ("Address %p is invalid in this address space\n", obj_ptr);
+ return;
+ }
+
+ /* Decode the object type */
+
+ if (VALID_DESCRIPTOR_TYPE ((obj_ptr), ACPI_DESC_TYPE_NAMED)) {
+ /* This is a Node */
+
+ if (!acpi_os_readable (obj_ptr, sizeof (ACPI_NAMESPACE_NODE))) {
+ acpi_os_printf ("Cannot read entire Named object at address %p\n", obj_ptr);
+ return;
+ }
+
+ node = obj_ptr;
+ goto dump_nte;
+ }
+
+ else if (VALID_DESCRIPTOR_TYPE ((obj_ptr), ACPI_DESC_TYPE_INTERNAL)) {
+ /* This is an ACPI OBJECT */
+
+ if (!acpi_os_readable (obj_ptr, sizeof (ACPI_OPERAND_OBJECT))) {
+ acpi_os_printf ("Cannot read entire ACPI object at address %p\n", obj_ptr);
+ return;
+ }
+
+ acpi_ut_dump_buffer (obj_ptr, sizeof (ACPI_OPERAND_OBJECT), display, ACPI_UINT32_MAX);
+ acpi_ex_dump_object_descriptor (obj_ptr, 1);
+ }
+
+ else if (VALID_DESCRIPTOR_TYPE ((obj_ptr), ACPI_DESC_TYPE_PARSER)) {
+ /* This is an Parser Op object */
+
+ if (!acpi_os_readable (obj_ptr, sizeof (ACPI_PARSE_OBJECT))) {
+ acpi_os_printf ("Cannot read entire Parser object at address %p\n", obj_ptr);
+ return;
+ }
+
+
+ acpi_ut_dump_buffer (obj_ptr, sizeof (ACPI_PARSE_OBJECT), display, ACPI_UINT32_MAX);
+ acpi_db_dump_parser_descriptor ((ACPI_PARSE_OBJECT *) obj_ptr);
+ }
+
+ else {
+ size = 16;
+ if (acpi_os_readable (obj_ptr, 64)) {
+ size = 64;
+ }
+
+ /* Just dump some memory */
+
+ acpi_ut_dump_buffer (obj_ptr, size, display, ACPI_UINT32_MAX);
+ }
+
+ return;
+ }
+
+
+ /* The parameter is a name string that must be resolved to a Named obj */
+
+ node = acpi_db_local_ns_lookup (target);
+ if (!node) {
+ return;
+ }
+
+
+dump_nte:
+ /* Now dump the Named obj */
+
+ status = acpi_get_name (node, ACPI_FULL_PATHNAME, &ret_buf);
+ if (ACPI_FAILURE (status)) {
+ acpi_os_printf ("Could not convert name to pathname\n");
+ }
+
+ else {
+ acpi_os_printf ("Object Pathname: %s\n", ret_buf.pointer);
+ }
+
+ if (!acpi_os_readable (node, sizeof (ACPI_NAMESPACE_NODE))) {
+ acpi_os_printf ("Invalid Named object at address %p\n", node);
+ return;
+ }
+
+ acpi_ut_dump_buffer ((void *) node, sizeof (ACPI_NAMESPACE_NODE), display, ACPI_UINT32_MAX);
+ acpi_ex_dump_node (node, 1);
+
+ if (node->object) {
+ acpi_os_printf ("\n_attached Object (%p):\n", node->object);
+ if (!acpi_os_readable (node->object, sizeof (ACPI_OPERAND_OBJECT))) {
+ acpi_os_printf ("Invalid internal ACPI Object at address %p\n", node->object);
+ return;
+ }
+
+ acpi_ut_dump_buffer (node->object, sizeof (ACPI_OPERAND_OBJECT), display, ACPI_UINT32_MAX);
+ acpi_ex_dump_object_descriptor (node->object, 1);
+ }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: Acpi_db_decode_internal_object
+ *
+ * PARAMETERS: Obj_desc - Object to be displayed
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Short display of an internal object. Numbers and Strings.
+ *
+ ******************************************************************************/
+
+void
+acpi_db_decode_internal_object (
+ ACPI_OPERAND_OBJECT *obj_desc)
+{
+ u32 i;
+
+
+ if (!obj_desc) {
+ return;
+ }
+
+ acpi_os_printf (" %s", acpi_ut_get_type_name (obj_desc->common.type));
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_INTEGER:
+ acpi_os_printf (" %.8X", obj_desc->integer.value);
+ break;
+
+ case ACPI_TYPE_STRING:
+ acpi_os_printf ("(%d) \"%.16s\"...",
+ obj_desc->string.length, obj_desc->string.pointer);
+ break;
+
+ case ACPI_TYPE_BUFFER:
+ acpi_os_printf ("(%d)", obj_desc->buffer.length);
+ for (i = 0; (i < 8) && (i < obj_desc->buffer.length); i++) {
+ acpi_os_printf (" %2.2X", obj_desc->buffer.pointer[i]);
+ }
+ break;
+ }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: Acpi_db_display_internal_object
+ *
+ * PARAMETERS: Obj_desc - Object to be displayed
+ * Walk_state - Current walk state
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Short display of an internal object
+ *
+ ******************************************************************************/
+
+void
+acpi_db_display_internal_object (
+ ACPI_OPERAND_OBJECT *obj_desc,
+ ACPI_WALK_STATE *walk_state)
+{
+ u8 type;
+
+
+ acpi_os_printf ("%p ", obj_desc);
+
+ if (!obj_desc) {
+ acpi_os_printf ("<Null_obj>\n");
+ return;
+ }
+
+
+ /* Decode the object type */
+
+ else if (VALID_DESCRIPTOR_TYPE (obj_desc, ACPI_DESC_TYPE_PARSER)) {
+ acpi_os_printf ("<Parser> ");
+ }
+
+ else if (VALID_DESCRIPTOR_TYPE (obj_desc, ACPI_DESC_TYPE_NAMED)) {
+ acpi_os_printf ("<Node> Name %4.4s Type-%s",
+ &((ACPI_NAMESPACE_NODE *)obj_desc)->name,
+ acpi_ut_get_type_name (((ACPI_NAMESPACE_NODE *) obj_desc)->type));
+ if (((ACPI_NAMESPACE_NODE *) obj_desc)->flags & ANOBJ_METHOD_ARG) {
+ acpi_os_printf (" [Method Arg]");
+ }
+ if (((ACPI_NAMESPACE_NODE *) obj_desc)->flags & ANOBJ_METHOD_LOCAL) {
+ acpi_os_printf (" [Method Local]");
+ }
+ }
+
+ else if (VALID_DESCRIPTOR_TYPE (obj_desc, ACPI_DESC_TYPE_INTERNAL)) {
+ acpi_os_printf ("<Obj> ");
+ type = obj_desc->common.type;
+ if (type > INTERNAL_TYPE_MAX) {
+ acpi_os_printf (" Type %x [Invalid Type]", type);
+ return;
+ }
+
+ /* Decode the ACPI object type */
+
+ switch (obj_desc->common.type) {
+ case INTERNAL_TYPE_REFERENCE:
+ switch (obj_desc->reference.opcode) {
+ case AML_ZERO_OP:
+ acpi_os_printf ("[Const] Number %.8X", 0);
+ break;
+
+ case AML_ONES_OP:
+ acpi_os_printf ("[Const] Number %.8X", ACPI_UINT32_MAX);
+ break;
+
+ case AML_ONE_OP:
+ acpi_os_printf ("[Const] Number %.8X", 1);
+ break;
+
+ case AML_LOCAL_OP:
+ acpi_os_printf ("[Local%d] ", obj_desc->reference.offset);
+ if (walk_state) {
+ obj_desc = walk_state->local_variables[obj_desc->reference.offset].object;
+ acpi_db_decode_internal_object (obj_desc);
+ }
+ break;
+
+ case AML_ARG_OP:
+ acpi_os_printf ("[Arg%d] ", obj_desc->reference.offset);
+ if (walk_state) {
+ obj_desc = walk_state->arguments[obj_desc->reference.offset].object;
+ acpi_db_decode_internal_object (obj_desc);
+ }
+ break;
+
+ case AML_DEBUG_OP:
+ acpi_os_printf ("[Debug] ");
+ break;
+
+ case AML_INDEX_OP:
+ acpi_os_printf ("[Index] ");
+ acpi_db_decode_internal_object (obj_desc->reference.object);
+ break;
+
+ default:
+ break;
+
+ }
+ break;
+
+ default:
+ acpi_os_printf (" ");
+ acpi_db_decode_internal_object (obj_desc);
+ break;
+ }
+ }
+
+ else {
+ acpi_os_printf ("<Not a valid ACPI Object Descriptor> ");
+ }
+
+ acpi_os_printf ("\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: Acpi_db_display_method_info
+ *
+ * PARAMETERS: Start_op - Root of the control method parse tree
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Display information about the current method
+ *
+ ******************************************************************************/
+
+void
+acpi_db_display_method_info (
+ ACPI_PARSE_OBJECT *start_op)
+{
+ ACPI_WALK_STATE *walk_state;
+ ACPI_OPERAND_OBJECT *obj_desc;
+ ACPI_NAMESPACE_NODE *node;
+ ACPI_PARSE_OBJECT *root_op;
+ ACPI_PARSE_OBJECT *op;
+ ACPI_OPCODE_INFO *op_info;
+ u32 num_ops = 0;
+ u32 num_operands = 0;
+ u32 num_operators = 0;
+ u32 num_remaining_ops = 0;
+ u32 num_remaining_operands = 0;
+ u32 num_remaining_operators = 0;
+ u32 num_args;
+ u32 concurrency;
+ u8 count_remaining = FALSE;
+
+
+ walk_state = acpi_ds_get_current_walk_state (acpi_gbl_current_walk_list);
+ if (!walk_state) {
+ acpi_os_printf ("There is no method currently executing\n");
+ return;
+ }
+
+ obj_desc = walk_state->method_desc;
+ node = walk_state->method_node;
+
+ num_args = obj_desc->method.param_count;
+ concurrency = obj_desc->method.concurrency;
+
+ acpi_os_printf ("Currently executing control method is [%4.4s]\n", &node->name);
+ acpi_os_printf ("%X arguments, max concurrency = %X\n", num_args, concurrency);
+
+
+ root_op = start_op;
+ while (root_op->parent) {
+ root_op = root_op->parent;
+ }
+
+ op = root_op;
+
+ while (op) {
+ if (op == start_op) {
+ count_remaining = TRUE;
+ }
+
+ num_ops++;
+ if (count_remaining) {
+ num_remaining_ops++;
+ }
+
+ op_info = acpi_ps_get_opcode_info (op->opcode);
+ if (ACPI_GET_OP_TYPE (op_info) != ACPI_OP_TYPE_OPCODE) {
+ /* Bad opcode or ASCII character */
+
+ continue;
+ }
+
+
+ /* Decode the opcode */
+
+ switch (ACPI_GET_OP_CLASS (op_info)) {
+ case OPTYPE_CONSTANT: /* argument type only */
+ case OPTYPE_LITERAL: /* argument type only */
+ case OPTYPE_DATA_TERM: /* argument type only */
+ case OPTYPE_LOCAL_VARIABLE: /* argument type only */
+ case OPTYPE_METHOD_ARGUMENT: /* argument type only */
+ if (count_remaining) {
+ num_remaining_operands++;
+ }
+
+ num_operands++;
+ break;
+
+ default:
+ if (count_remaining) {
+ num_remaining_operators++;
+ }
+
+ num_operators++;
+ break;
+ }
+
+
+ op = acpi_ps_get_depth_next (start_op, op);
+ }
+
+ acpi_os_printf ("Method contains: %X AML Opcodes - %X Operators, %X Operands\n",
+ num_ops, num_operators, num_operands);
+
+ acpi_os_printf ("Remaining to execute: %X AML Opcodes - %X Operators, %X Operands\n",
+ num_remaining_ops, num_remaining_operators, num_remaining_operands);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: Acpi_db_display_locals
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Display all locals for the currently running control method
+ *
+ ******************************************************************************/
+
+void
+acpi_db_display_locals (void)
+{
+ u32 i;
+ ACPI_WALK_STATE *walk_state;
+ ACPI_OPERAND_OBJECT *obj_desc;
+ ACPI_NAMESPACE_NODE *node;
+
+
+ walk_state = acpi_ds_get_current_walk_state (acpi_gbl_current_walk_list);
+ if (!walk_state) {
+ acpi_os_printf ("There is no method currently executing\n");
+ return;
+ }
+
+ obj_desc = walk_state->method_desc;
+ node = walk_state->method_node;
+
+
+ acpi_os_printf ("Local Variables for method [%4.4s]:\n", &node->name);
+
+ for (i = 0; i < MTH_NUM_LOCALS; i++) {
+ obj_desc = walk_state->local_variables[i].object;
+ acpi_os_printf ("Local%d: ", i);
+ acpi_db_display_internal_object (obj_desc, walk_state);
+ }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: Acpi_db_display_arguments
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Display all arguments for the currently running control method
+ *
+ ******************************************************************************/
+
+void
+acpi_db_display_arguments (void)
+{
+ u32 i;
+ ACPI_WALK_STATE *walk_state;
+ ACPI_OPERAND_OBJECT *obj_desc;
+ u32 num_args;
+ u32 concurrency;
+ ACPI_NAMESPACE_NODE *node;
+
+
+ walk_state = acpi_ds_get_current_walk_state (acpi_gbl_current_walk_list);
+ if (!walk_state) {
+ acpi_os_printf ("There is no method currently executing\n");
+ return;
+ }
+
+ obj_desc = walk_state->method_desc;
+ node = walk_state->method_node;
+
+ num_args = obj_desc->method.param_count;
+ concurrency = obj_desc->method.concurrency;
+
+ acpi_os_printf ("Method [%4.4s] has %X arguments, max concurrency = %X\n", &node->name, num_args, concurrency);
+
+ for (i = 0; i < num_args; i++) {
+ obj_desc = walk_state->arguments[i].object;
+ acpi_os_printf ("Arg%d: ", i);
+ acpi_db_display_internal_object (obj_desc, walk_state);
+ }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: Acpi_db_display_results
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Display current contents of a method result stack
+ *
+ ******************************************************************************/
+
+void
+acpi_db_display_results (void)
+{
+ u32 i;
+ ACPI_WALK_STATE *walk_state;
+ ACPI_OPERAND_OBJECT *obj_desc;
+ u32 num_results = 0;
+ ACPI_NAMESPACE_NODE *node;
+
+
+ walk_state = acpi_ds_get_current_walk_state (acpi_gbl_current_walk_list);
+ if (!walk_state) {
+ acpi_os_printf ("There is no method currently executing\n");
+ return;
+ }
+
+ obj_desc = walk_state->method_desc;
+ node = walk_state->method_node;
+
+ if (walk_state->results) {
+ num_results = walk_state->results->results.num_results;
+ }
+
+ acpi_os_printf ("Method [%4.4s] has %X stacked result objects\n", &node->name, num_results);
+
+ for (i = 0; i < num_results; i++) {
+ obj_desc = walk_state->results->results.obj_desc[i];
+ acpi_os_printf ("Result%d: ", i);
+ acpi_db_display_internal_object (obj_desc, walk_state);
+ }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: Acpi_db_display_calling_tree
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Display current calling tree of nested control methods
+ *
+ ******************************************************************************/
+
+void
+acpi_db_display_calling_tree (void)
+{
+ u32 i;
+ ACPI_WALK_STATE *walk_state;
+ ACPI_NAMESPACE_NODE *node;
+
+
+ walk_state = acpi_ds_get_current_walk_state (acpi_gbl_current_walk_list);
+ if (!walk_state) {
+ acpi_os_printf ("There is no method currently executing\n");
+ return;
+ }
+
+ node = walk_state->method_node;
+
+ acpi_os_printf ("Current Control Method Call Tree\n");
+
+ for (i = 0; walk_state; i++) {
+ node = walk_state->method_node;
+
+ acpi_os_printf (" [%4.4s]\n", &node->name);
+
+ walk_state = walk_state->next;
+ }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: Acpi_db_display_result_object
+ *
+ * PARAMETERS: Obj_desc - Object to be displayed
+ * Walk_state - Current walk state
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Display the result of an AML opcode
+ *
+ ******************************************************************************/
+
+void
+acpi_db_display_result_object (
+ ACPI_OPERAND_OBJECT *obj_desc,
+ ACPI_WALK_STATE *walk_state)
+{
+
+ /* TBD: [Future] We don't always want to display the result.
+ * For now, only display if single stepping
+ * however, this output is very useful in other contexts also
+ */
+
+ if (!acpi_gbl_cm_single_step) {
+ return;
+ }
+
+ acpi_os_printf ("Result_obj: ");
+ acpi_db_display_internal_object (obj_desc, walk_state);
+ acpi_os_printf ("\n");
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: Acpi_db_display_argument_object
+ *
+ * PARAMETERS: Obj_desc - Object to be displayed
+ * Walk_state - Current walk state
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Display the result of an AML opcode
+ *
+ ******************************************************************************/
+
+void
+acpi_db_display_argument_object (
+ ACPI_OPERAND_OBJECT *obj_desc,
+ ACPI_WALK_STATE *walk_state)
+{
+
+
+ if (!acpi_gbl_cm_single_step) {
+ return;
+ }
+
+ acpi_os_printf ("Arg_obj: ");
+ acpi_db_display_internal_object (obj_desc, walk_state);
+}
+
+#endif /* ENABLE_DEBUGGER */
+
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