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authorLen Brown <len.brown@intel.com>2009-01-09 00:13:17 -0500
committerLen Brown <len.brown@intel.com>2009-01-09 03:30:47 -0500
commit95b482a8d31116f3f5c2a5089569393234d06385 (patch)
treef32aec8673a285a9d188948be97af3034ee06e93 /drivers/acpi/executer/exnames.c
parent6620e0c49f577454b772fb381543d60ae53eb885 (diff)
downloadlinux-95b482a8d31116f3f5c2a5089569393234d06385.tar.bz2
ACPICA: create acpica/ directory
also, delete sleep/ and delete ACPI_CFLAGS from Makefile Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/executer/exnames.c')
-rw-r--r--drivers/acpi/executer/exnames.c436
1 files changed, 0 insertions, 436 deletions
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c
deleted file mode 100644
index 12d3513531e1..000000000000
--- a/drivers/acpi/executer/exnames.c
+++ /dev/null
@@ -1,436 +0,0 @@
-
-/******************************************************************************
- *
- * Module Name: exnames - interpreter/scanner name load/execute
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, Intel Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- * substantially similar to the "NO WARRANTY" disclaimer below
- * ("Disclaimer") and any redistribution must be conditioned upon
- * including a substantially similar Disclaimer requirement for further
- * binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- * of any contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#include <acpi/acpi.h>
-#include <acpi/accommon.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
-
-#define _COMPONENT ACPI_EXECUTER
-ACPI_MODULE_NAME("exnames")
-
-/* Local prototypes */
-static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs);
-
-static acpi_status
-acpi_ex_name_segment(u8 ** in_aml_address, char *name_string);
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_allocate_name_string
- *
- * PARAMETERS: prefix_count - Count of parent levels. Special cases:
- * (-1)==root, 0==none
- * num_name_segs - count of 4-character name segments
- *
- * RETURN: A pointer to the allocated string segment. This segment must
- * be deleted by the caller.
- *
- * DESCRIPTION: Allocate a buffer for a name string. Ensure allocated name
- * string is long enough, and set up prefix if any.
- *
- ******************************************************************************/
-
-static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
-{
- char *temp_ptr;
- char *name_string;
- u32 size_needed;
-
- ACPI_FUNCTION_TRACE(ex_allocate_name_string);
-
- /*
- * Allow room for all \ and ^ prefixes, all segments and a multi_name_prefix.
- * Also, one byte for the null terminator.
- * This may actually be somewhat longer than needed.
- */
- if (prefix_count == ACPI_UINT32_MAX) {
-
- /* Special case for root */
-
- size_needed = 1 + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1;
- } else {
- size_needed =
- prefix_count + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1;
- }
-
- /*
- * Allocate a buffer for the name.
- * This buffer must be deleted by the caller!
- */
- name_string = ACPI_ALLOCATE(size_needed);
- if (!name_string) {
- ACPI_ERROR((AE_INFO,
- "Could not allocate size %d", size_needed));
- return_PTR(NULL);
- }
-
- temp_ptr = name_string;
-
- /* Set up Root or Parent prefixes if needed */
-
- if (prefix_count == ACPI_UINT32_MAX) {
- *temp_ptr++ = AML_ROOT_PREFIX;
- } else {
- while (prefix_count--) {
- *temp_ptr++ = AML_PARENT_PREFIX;
- }
- }
-
- /* Set up Dual or Multi prefixes if needed */
-
- if (num_name_segs > 2) {
-
- /* Set up multi prefixes */
-
- *temp_ptr++ = AML_MULTI_NAME_PREFIX_OP;
- *temp_ptr++ = (char)num_name_segs;
- } else if (2 == num_name_segs) {
-
- /* Set up dual prefixes */
-
- *temp_ptr++ = AML_DUAL_NAME_PREFIX;
- }
-
- /*
- * Terminate string following prefixes. acpi_ex_name_segment() will
- * append the segment(s)
- */
- *temp_ptr = 0;
-
- return_PTR(name_string);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_name_segment
- *
- * PARAMETERS: in_aml_address - Pointer to the name in the AML code
- * name_string - Where to return the name. The name is appended
- * to any existing string to form a namepath
- *
- * RETURN: Status
- *
- * DESCRIPTION: Extract an ACPI name (4 bytes) from the AML byte stream
- *
- ******************************************************************************/
-
-static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
-{
- char *aml_address = (void *)*in_aml_address;
- acpi_status status = AE_OK;
- u32 index;
- char char_buf[5];
-
- ACPI_FUNCTION_TRACE(ex_name_segment);
-
- /*
- * If first character is a digit, then we know that we aren't looking at a
- * valid name segment
- */
- char_buf[0] = *aml_address;
-
- if ('0' <= char_buf[0] && char_buf[0] <= '9') {
- ACPI_ERROR((AE_INFO, "Invalid leading digit: %c", char_buf[0]));
- return_ACPI_STATUS(AE_CTRL_PENDING);
- }
-
- ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "Bytes from stream:\n"));
-
- for (index = 0; (index < ACPI_NAME_SIZE)
- && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) {
- char_buf[index] = *aml_address++;
- ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index]));
- }
-
- /* Valid name segment */
-
- if (index == 4) {
-
- /* Found 4 valid characters */
-
- char_buf[4] = '\0';
-
- if (name_string) {
- ACPI_STRCAT(name_string, char_buf);
- ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
- "Appended to - %s\n", name_string));
- } else {
- ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
- "No Name string - %s\n", char_buf));
- }
- } else if (index == 0) {
- /*
- * First character was not a valid name character,
- * so we are looking at something other than a name.
- */
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Leading character is not alpha: %02Xh (not a name)\n",
- char_buf[0]));
- status = AE_CTRL_PENDING;
- } else {
- /*
- * Segment started with one or more valid characters, but fewer than
- * the required 4
- */
- status = AE_AML_BAD_NAME;
- ACPI_ERROR((AE_INFO,
- "Bad character %02x in name, at %p",
- *aml_address, aml_address));
- }
-
- *in_aml_address = ACPI_CAST_PTR(u8, aml_address);
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_get_name_string
- *
- * PARAMETERS: data_type - Object type to be associated with this
- * name
- * in_aml_address - Pointer to the namestring in the AML code
- * out_name_string - Where the namestring is returned
- * out_name_length - Length of the returned string
- *
- * RETURN: Status, namestring and length
- *
- * DESCRIPTION: Extract a full namepath from the AML byte stream,
- * including any prefixes.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_get_name_string(acpi_object_type data_type,
- u8 * in_aml_address,
- char **out_name_string, u32 * out_name_length)
-{
- acpi_status status = AE_OK;
- u8 *aml_address = in_aml_address;
- char *name_string = NULL;
- u32 num_segments;
- u32 prefix_count = 0;
- u8 has_prefix = FALSE;
-
- ACPI_FUNCTION_TRACE_PTR(ex_get_name_string, aml_address);
-
- if (ACPI_TYPE_LOCAL_REGION_FIELD == data_type ||
- ACPI_TYPE_LOCAL_BANK_FIELD == data_type ||
- ACPI_TYPE_LOCAL_INDEX_FIELD == data_type) {
-
- /* Disallow prefixes for types associated with field_unit names */
-
- name_string = acpi_ex_allocate_name_string(0, 1);
- if (!name_string) {
- status = AE_NO_MEMORY;
- } else {
- status =
- acpi_ex_name_segment(&aml_address, name_string);
- }
- } else {
- /*
- * data_type is not a field name.
- * Examine first character of name for root or parent prefix operators
- */
- switch (*aml_address) {
- case AML_ROOT_PREFIX:
-
- ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
- "RootPrefix(\\) at %p\n",
- aml_address));
-
- /*
- * Remember that we have a root_prefix --
- * see comment in acpi_ex_allocate_name_string()
- */
- aml_address++;
- prefix_count = ACPI_UINT32_MAX;
- has_prefix = TRUE;
- break;
-
- case AML_PARENT_PREFIX:
-
- /* Increment past possibly multiple parent prefixes */
-
- do {
- ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
- "ParentPrefix (^) at %p\n",
- aml_address));
-
- aml_address++;
- prefix_count++;
-
- } while (*aml_address == AML_PARENT_PREFIX);
-
- has_prefix = TRUE;
- break;
-
- default:
-
- /* Not a prefix character */
-
- break;
- }
-
- /* Examine first character of name for name segment prefix operator */
-
- switch (*aml_address) {
- case AML_DUAL_NAME_PREFIX:
-
- ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
- "DualNamePrefix at %p\n",
- aml_address));
-
- aml_address++;
- name_string =
- acpi_ex_allocate_name_string(prefix_count, 2);
- if (!name_string) {
- status = AE_NO_MEMORY;
- break;
- }
-
- /* Indicate that we processed a prefix */
-
- has_prefix = TRUE;
-
- status =
- acpi_ex_name_segment(&aml_address, name_string);
- if (ACPI_SUCCESS(status)) {
- status =
- acpi_ex_name_segment(&aml_address,
- name_string);
- }
- break;
-
- case AML_MULTI_NAME_PREFIX_OP:
-
- ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
- "MultiNamePrefix at %p\n",
- aml_address));
-
- /* Fetch count of segments remaining in name path */
-
- aml_address++;
- num_segments = *aml_address;
-
- name_string =
- acpi_ex_allocate_name_string(prefix_count,
- num_segments);
- if (!name_string) {
- status = AE_NO_MEMORY;
- break;
- }
-
- /* Indicate that we processed a prefix */
-
- aml_address++;
- has_prefix = TRUE;
-
- while (num_segments &&
- (status =
- acpi_ex_name_segment(&aml_address,
- name_string)) == AE_OK) {
- num_segments--;
- }
-
- break;
-
- case 0:
-
- /* null_name valid as of 8-12-98 ASL/AML Grammar Update */
-
- if (prefix_count == ACPI_UINT32_MAX) {
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "NameSeg is \"\\\" followed by NULL\n"));
- }
-
- /* Consume the NULL byte */
-
- aml_address++;
- name_string =
- acpi_ex_allocate_name_string(prefix_count, 0);
- if (!name_string) {
- status = AE_NO_MEMORY;
- break;
- }
-
- break;
-
- default:
-
- /* Name segment string */
-
- name_string =
- acpi_ex_allocate_name_string(prefix_count, 1);
- if (!name_string) {
- status = AE_NO_MEMORY;
- break;
- }
-
- status =
- acpi_ex_name_segment(&aml_address, name_string);
- break;
- }
- }
-
- if (AE_CTRL_PENDING == status && has_prefix) {
-
- /* Ran out of segments after processing a prefix */
-
- ACPI_ERROR((AE_INFO, "Malformed Name at %p", name_string));
- status = AE_AML_BAD_NAME;
- }
-
- if (ACPI_FAILURE(status)) {
- if (name_string) {
- ACPI_FREE(name_string);
- }
- return_ACPI_STATUS(status);
- }
-
- *out_name_string = name_string;
- *out_name_length = (u32) (aml_address - in_aml_address);
-
- return_ACPI_STATUS(status);
-}