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![Lv Zheng](/assets/img/avatar_default.png)
It is reported by kernel build test systems that all ACPICA source files in the kernel tree have incorrect label indentation. This patch changes default indent option used in the release process to fix this bug. Lv Zheng. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
202 lines
6.5 KiB
C
202 lines
6.5 KiB
C
/******************************************************************************
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*
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* Module Name: nsparse - namespace interface to AML parser
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2013, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include <acpi/acpi.h>
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#include "accommon.h"
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#include "acnamesp.h"
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#include "acparser.h"
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#include "acdispat.h"
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#include "actables.h"
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#define _COMPONENT ACPI_NAMESPACE
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ACPI_MODULE_NAME("nsparse")
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/*******************************************************************************
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*
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* FUNCTION: ns_one_complete_parse
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*
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* PARAMETERS: pass_number - 1 or 2
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* table_desc - The table to be parsed.
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*
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* RETURN: Status
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*
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* DESCRIPTION: Perform one complete parse of an ACPI/AML table.
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*
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******************************************************************************/
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acpi_status
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acpi_ns_one_complete_parse(u32 pass_number,
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u32 table_index,
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struct acpi_namespace_node *start_node)
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{
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union acpi_parse_object *parse_root;
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acpi_status status;
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u32 aml_length;
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u8 *aml_start;
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struct acpi_walk_state *walk_state;
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struct acpi_table_header *table;
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acpi_owner_id owner_id;
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ACPI_FUNCTION_TRACE(ns_one_complete_parse);
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status = acpi_tb_get_owner_id(table_index, &owner_id);
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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/* Create and init a Root Node */
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parse_root = acpi_ps_create_scope_op();
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if (!parse_root) {
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return_ACPI_STATUS(AE_NO_MEMORY);
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}
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/* Create and initialize a new walk state */
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walk_state = acpi_ds_create_walk_state(owner_id, NULL, NULL, NULL);
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if (!walk_state) {
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acpi_ps_free_op(parse_root);
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return_ACPI_STATUS(AE_NO_MEMORY);
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}
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status = acpi_get_table_by_index(table_index, &table);
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if (ACPI_FAILURE(status)) {
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acpi_ds_delete_walk_state(walk_state);
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acpi_ps_free_op(parse_root);
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return_ACPI_STATUS(status);
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}
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/* Table must consist of at least a complete header */
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if (table->length < sizeof(struct acpi_table_header)) {
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status = AE_BAD_HEADER;
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} else {
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aml_start = (u8 *) table + sizeof(struct acpi_table_header);
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aml_length = table->length - sizeof(struct acpi_table_header);
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status = acpi_ds_init_aml_walk(walk_state, parse_root, NULL,
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aml_start, aml_length, NULL,
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(u8) pass_number);
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}
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if (ACPI_FAILURE(status)) {
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acpi_ds_delete_walk_state(walk_state);
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goto cleanup;
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}
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/* start_node is the default location to load the table */
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if (start_node && start_node != acpi_gbl_root_node) {
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status =
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acpi_ds_scope_stack_push(start_node, ACPI_TYPE_METHOD,
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walk_state);
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if (ACPI_FAILURE(status)) {
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acpi_ds_delete_walk_state(walk_state);
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goto cleanup;
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}
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}
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/* Parse the AML */
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ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "*PARSE* pass %u parse\n",
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pass_number));
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status = acpi_ps_parse_aml(walk_state);
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cleanup:
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acpi_ps_delete_parse_tree(parse_root);
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return_ACPI_STATUS(status);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_ns_parse_table
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*
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* PARAMETERS: table_desc - An ACPI table descriptor for table to parse
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* start_node - Where to enter the table into the namespace
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*
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* RETURN: Status
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*
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* DESCRIPTION: Parse AML within an ACPI table and return a tree of ops
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*
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******************************************************************************/
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acpi_status
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acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node)
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{
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acpi_status status;
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ACPI_FUNCTION_TRACE(ns_parse_table);
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/*
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* AML Parse, pass 1
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*
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* In this pass, we load most of the namespace. Control methods
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* are not parsed until later. A parse tree is not created. Instead,
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* each Parser Op subtree is deleted when it is finished. This saves
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* a great deal of memory, and allows a small cache of parse objects
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* to service the entire parse. The second pass of the parse then
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* performs another complete parse of the AML.
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*/
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ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 1\n"));
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status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS1,
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table_index, start_node);
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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/*
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* AML Parse, pass 2
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*
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* In this pass, we resolve forward references and other things
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* that could not be completed during the first pass.
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* Another complete parse of the AML is performed, but the
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* overhead of this is compensated for by the fact that the
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* parse objects are all cached.
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*/
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ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 2\n"));
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status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS2,
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table_index, start_node);
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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return_ACPI_STATUS(status);
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}
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