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Diffstat (limited to 'drivers/acpi/parser/psutils.c')
| -rw-r--r-- | drivers/acpi/parser/psutils.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c deleted file mode 100644 index 7cf1f65cd5bb..000000000000 --- a/drivers/acpi/parser/psutils.c +++ /dev/null @@ -1,243 +0,0 @@ -/****************************************************************************** - * - * Module Name: psutils - Parser miscellaneous utilities (Parser only) - * - *****************************************************************************/ - -/* - * 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/acparser.h> -#include <acpi/amlcode.h> - -#define _COMPONENT ACPI_PARSER -ACPI_MODULE_NAME("psutils") - -/******************************************************************************* - * - * FUNCTION: acpi_ps_create_scope_op - * - * PARAMETERS: None - * - * RETURN: A new Scope object, null on failure - * - * DESCRIPTION: Create a Scope and associated namepath op with the root name - * - ******************************************************************************/ -union acpi_parse_object *acpi_ps_create_scope_op(void) -{ - union acpi_parse_object *scope_op; - - scope_op = acpi_ps_alloc_op(AML_SCOPE_OP); - if (!scope_op) { - return (NULL); - } - - scope_op->named.name = ACPI_ROOT_NAME; - return (scope_op); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ps_init_op - * - * PARAMETERS: Op - A newly allocated Op object - * Opcode - Opcode to store in the Op - * - * RETURN: None - * - * DESCRIPTION: Initialize a parse (Op) object - * - ******************************************************************************/ - -void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode) -{ - ACPI_FUNCTION_ENTRY(); - - op->common.descriptor_type = ACPI_DESC_TYPE_PARSER; - op->common.aml_opcode = opcode; - - ACPI_DISASM_ONLY_MEMBERS(ACPI_STRNCPY(op->common.aml_op_name, - (acpi_ps_get_opcode_info - (opcode))->name, - sizeof(op->common.aml_op_name))); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ps_alloc_op - * - * PARAMETERS: Opcode - Opcode that will be stored in the new Op - * - * RETURN: Pointer to the new Op, null on failure - * - * DESCRIPTION: Allocate an acpi_op, choose op type (and thus size) based on - * opcode. A cache of opcodes is available for the pure - * GENERIC_OP, since this is by far the most commonly used. - * - ******************************************************************************/ - -union acpi_parse_object *acpi_ps_alloc_op(u16 opcode) -{ - union acpi_parse_object *op; - const struct acpi_opcode_info *op_info; - u8 flags = ACPI_PARSEOP_GENERIC; - - ACPI_FUNCTION_ENTRY(); - - op_info = acpi_ps_get_opcode_info(opcode); - - /* Determine type of parse_op required */ - - if (op_info->flags & AML_DEFER) { - flags = ACPI_PARSEOP_DEFERRED; - } else if (op_info->flags & AML_NAMED) { - flags = ACPI_PARSEOP_NAMED; - } else if (opcode == AML_INT_BYTELIST_OP) { - flags = ACPI_PARSEOP_BYTELIST; - } - - /* Allocate the minimum required size object */ - - if (flags == ACPI_PARSEOP_GENERIC) { - - /* The generic op (default) is by far the most common (16 to 1) */ - - op = acpi_os_acquire_object(acpi_gbl_ps_node_cache); - } else { - /* Extended parseop */ - - op = acpi_os_acquire_object(acpi_gbl_ps_node_ext_cache); - } - - /* Initialize the Op */ - - if (op) { - acpi_ps_init_op(op, opcode); - op->common.flags = flags; - } - - return (op); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ps_free_op - * - * PARAMETERS: Op - Op to be freed - * - * RETURN: None. - * - * DESCRIPTION: Free an Op object. Either put it on the GENERIC_OP cache list - * or actually free it. - * - ******************************************************************************/ - -void acpi_ps_free_op(union acpi_parse_object *op) -{ - ACPI_FUNCTION_NAME(ps_free_op); - - if (op->common.aml_opcode == AML_INT_RETURN_VALUE_OP) { - ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Free retval op: %p\n", - op)); - } - - if (op->common.flags & ACPI_PARSEOP_GENERIC) { - (void)acpi_os_release_object(acpi_gbl_ps_node_cache, op); - } else { - (void)acpi_os_release_object(acpi_gbl_ps_node_ext_cache, op); - } -} - -/******************************************************************************* - * - * FUNCTION: Utility functions - * - * DESCRIPTION: Low level character and object functions - * - ******************************************************************************/ - -/* - * Is "c" a namestring lead character? - */ -u8 acpi_ps_is_leading_char(u32 c) -{ - return ((u8) (c == '_' || (c >= 'A' && c <= 'Z'))); -} - -/* - * Is "c" a namestring prefix character? - */ -u8 acpi_ps_is_prefix_char(u32 c) -{ - return ((u8) (c == '\\' || c == '^')); -} - -/* - * Get op's name (4-byte name segment) or 0 if unnamed - */ -#ifdef ACPI_FUTURE_USAGE -u32 acpi_ps_get_name(union acpi_parse_object * op) -{ - - /* The "generic" object has no name associated with it */ - - if (op->common.flags & ACPI_PARSEOP_GENERIC) { - return (0); - } - - /* Only the "Extended" parse objects have a name */ - - return (op->named.name); -} -#endif /* ACPI_FUTURE_USAGE */ - -/* - * Set op's name - */ -void acpi_ps_set_name(union acpi_parse_object *op, u32 name) -{ - - /* The "generic" object has no name associated with it */ - - if (op->common.flags & ACPI_PARSEOP_GENERIC) { - return; - } - - op->named.name = name; -} |