disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/acpi/acpica/dbxface.c
..
..
@@ -24,6 +24,13 @@
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 void acpi_db_method_end(struct acpi_walk_state *walk_state);
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 #endif
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+#ifdef ACPI_DISASSEMBLER
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+static union acpi_parse_object *acpi_db_get_display_op(struct acpi_walk_state
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+						       *walk_state,
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+						       union acpi_parse_object
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+						       *op);
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+#endif
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+
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 /*******************************************************************************
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  *
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  * FUNCTION:    acpi_db_start_command
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@@ -113,6 +120,70 @@
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 	acpi_os_printf("**break** Executed AML BreakPoint opcode\n");
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 }
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+#ifdef ACPI_DISASSEMBLER
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+/*******************************************************************************
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+ *
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+ * FUNCTION:    acpi_db_get_display_op
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+ *
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+ * PARAMETERS:  walk_state      - Current walk
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+ *              op              - Current executing op (from aml interpreter)
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+ *
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+ * RETURN:      Opcode to display
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+ *
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+ * DESCRIPTION: Find the opcode to display during single stepping
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+ *
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+ ******************************************************************************/
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+
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+static union acpi_parse_object *acpi_db_get_display_op(struct acpi_walk_state
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+						       *walk_state,
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+						       union acpi_parse_object
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+						       *op)
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+{
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+	union acpi_parse_object *display_op;
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+	union acpi_parse_object *parent_op;
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+
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+	display_op = op;
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+	parent_op = op->common.parent;
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+	if (parent_op) {
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+		if ((walk_state->control_state) &&
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+		    (walk_state->control_state->common.state ==
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+		     ACPI_CONTROL_PREDICATE_EXECUTING)) {
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+			/*
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+			 * We are executing the predicate of an IF or WHILE statement
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+			 * Search upwards for the containing IF or WHILE so that the
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+			 * entire predicate can be displayed.
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+			 */
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+			while (parent_op) {
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+				if ((parent_op->common.aml_opcode == AML_IF_OP)
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+				    || (parent_op->common.aml_opcode ==
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+					AML_WHILE_OP)) {
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+					display_op = parent_op;
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+					break;
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+				}
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+				parent_op = parent_op->common.parent;
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+			}
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+		} else {
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+			while (parent_op) {
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+				if ((parent_op->common.aml_opcode == AML_IF_OP)
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+				    || (parent_op->common.aml_opcode ==
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+					AML_ELSE_OP)
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+				    || (parent_op->common.aml_opcode ==
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+					AML_SCOPE_OP)
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+				    || (parent_op->common.aml_opcode ==
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+					AML_METHOD_OP)
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+				    || (parent_op->common.aml_opcode ==
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+					AML_WHILE_OP)) {
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+					break;
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+				}
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+				display_op = parent_op;
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+				parent_op = parent_op->common.parent;
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+			}
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+		}
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+	}
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+	return display_op;
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+}
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+#endif
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+
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 /*******************************************************************************
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  *
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  * FUNCTION:    acpi_db_single_step
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@@ -134,8 +205,6 @@
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 	union acpi_parse_object *next;
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 	acpi_status status = AE_OK;
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 	u32 original_debug_level;
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-	union acpi_parse_object *display_op;
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-	union acpi_parse_object *parent_op;
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 	u32 aml_offset;
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 	ACPI_FUNCTION_ENTRY();
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@@ -222,51 +291,12 @@
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 		next = op->common.next;
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 		op->common.next = NULL;
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-		display_op = op;
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-		parent_op = op->common.parent;
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-		if (parent_op) {
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-			if ((walk_state->control_state) &&
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-			    (walk_state->control_state->common.state ==
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-			     ACPI_CONTROL_PREDICATE_EXECUTING)) {
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-				/*
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-				 * We are executing the predicate of an IF or WHILE statement
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-				 * Search upwards for the containing IF or WHILE so that the
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-				 * entire predicate can be displayed.
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-				 */
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-				while (parent_op) {
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-					if ((parent_op->common.aml_opcode ==
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-					     AML_IF_OP)
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-					    || (parent_op->common.aml_opcode ==
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-						AML_WHILE_OP)) {
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-						display_op = parent_op;
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-						break;
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-					}
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-					parent_op = parent_op->common.parent;
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-				}
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-			} else {
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-				while (parent_op) {
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-					if ((parent_op->common.aml_opcode ==
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-					     AML_IF_OP)
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-					    || (parent_op->common.aml_opcode ==
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-						AML_ELSE_OP)
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-					    || (parent_op->common.aml_opcode ==
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-						AML_SCOPE_OP)
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-					    || (parent_op->common.aml_opcode ==
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-						AML_METHOD_OP)
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-					    || (parent_op->common.aml_opcode ==
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-						AML_WHILE_OP)) {
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-						break;
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-					}
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-					display_op = parent_op;
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-					parent_op = parent_op->common.parent;
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-				}
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-			}
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-		}
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-
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 		/* Now we can disassemble and display it */
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295
 
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 #ifdef ACPI_DISASSEMBLER
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-		acpi_dm_disassemble(walk_state, display_op, ACPI_UINT32_MAX);
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+		acpi_dm_disassemble(walk_state,
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+				    acpi_db_get_display_op(walk_state, op),
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+				    ACPI_UINT32_MAX);
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 #else
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 		/*
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 		 * The AML Disassembler is not configured - at least we can
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@@ -379,6 +409,7 @@
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 	acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT;
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 	acpi_gbl_db_opt_no_ini_methods = FALSE;
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+	acpi_gbl_db_opt_no_region_support = FALSE;
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 	acpi_gbl_db_buffer = acpi_os_allocate(ACPI_DEBUG_BUFFER_SIZE);
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 	if (!acpi_gbl_db_buffer) {