diff options
author | Len Brown <len.brown@intel.com> | 2009-01-09 00:13:17 -0500 |
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committer | Len Brown <len.brown@intel.com> | 2009-01-09 03:30:47 -0500 |
commit | 95b482a8d31116f3f5c2a5089569393234d06385 (patch) | |
tree | f32aec8673a285a9d188948be97af3034ee06e93 /drivers/acpi/executer/exoparg6.c | |
parent | 6620e0c49f577454b772fb381543d60ae53eb885 (diff) | |
download | linux-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/exoparg6.c')
-rw-r--r-- | drivers/acpi/executer/exoparg6.c | 341 |
1 files changed, 0 insertions, 341 deletions
diff --git a/drivers/acpi/executer/exoparg6.c b/drivers/acpi/executer/exoparg6.c deleted file mode 100644 index bbbba504979f..000000000000 --- a/drivers/acpi/executer/exoparg6.c +++ /dev/null @@ -1,341 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exoparg6 - AML execution - opcodes with 6 arguments - * - *****************************************************************************/ - -/* - * 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/acparser.h> -#include <acpi/amlcode.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exoparg6") - -/*! - * Naming convention for AML interpreter execution routines. - * - * The routines that begin execution of AML opcodes are named with a common - * convention based upon the number of arguments, the number of target operands, - * and whether or not a value is returned: - * - * AcpiExOpcode_xA_yT_zR - * - * Where: - * - * xA - ARGUMENTS: The number of arguments (input operands) that are - * required for this opcode type (1 through 6 args). - * yT - TARGETS: The number of targets (output operands) that are required - * for this opcode type (0, 1, or 2 targets). - * zR - RETURN VALUE: Indicates whether this opcode type returns a value - * as the function return (0 or 1). - * - * The AcpiExOpcode* functions are called via the Dispatcher component with - * fully resolved operands. -!*/ -/* Local prototypes */ -static u8 -acpi_ex_do_match(u32 match_op, - union acpi_operand_object *package_obj, - union acpi_operand_object *match_obj); - -/******************************************************************************* - * - * FUNCTION: acpi_ex_do_match - * - * PARAMETERS: match_op - The AML match operand - * package_obj - Object from the target package - * match_obj - Object to be matched - * - * RETURN: TRUE if the match is successful, FALSE otherwise - * - * DESCRIPTION: Implements the low-level match for the ASL Match operator. - * Package elements will be implicitly converted to the type of - * the match object (Integer/Buffer/String). - * - ******************************************************************************/ - -static u8 -acpi_ex_do_match(u32 match_op, - union acpi_operand_object *package_obj, - union acpi_operand_object *match_obj) -{ - u8 logical_result = TRUE; - acpi_status status; - - /* - * Note: Since the package_obj/match_obj ordering is opposite to that of - * the standard logical operators, we have to reverse them when we call - * do_logical_op in order to make the implicit conversion rules work - * correctly. However, this means we have to flip the entire equation - * also. A bit ugly perhaps, but overall, better than fussing the - * parameters around at runtime, over and over again. - * - * Below, P[i] refers to the package element, M refers to the Match object. - */ - switch (match_op) { - case MATCH_MTR: - - /* Always true */ - - break; - - case MATCH_MEQ: - - /* - * True if equal: (P[i] == M) - * Change to: (M == P[i]) - */ - status = - acpi_ex_do_logical_op(AML_LEQUAL_OP, match_obj, package_obj, - &logical_result); - if (ACPI_FAILURE(status)) { - return (FALSE); - } - break; - - case MATCH_MLE: - - /* - * True if less than or equal: (P[i] <= M) (P[i] not_greater than M) - * Change to: (M >= P[i]) (M not_less than P[i]) - */ - status = - acpi_ex_do_logical_op(AML_LLESS_OP, match_obj, package_obj, - &logical_result); - if (ACPI_FAILURE(status)) { - return (FALSE); - } - logical_result = (u8) ! logical_result; - break; - - case MATCH_MLT: - - /* - * True if less than: (P[i] < M) - * Change to: (M > P[i]) - */ - status = - acpi_ex_do_logical_op(AML_LGREATER_OP, match_obj, - package_obj, &logical_result); - if (ACPI_FAILURE(status)) { - return (FALSE); - } - break; - - case MATCH_MGE: - - /* - * True if greater than or equal: (P[i] >= M) (P[i] not_less than M) - * Change to: (M <= P[i]) (M not_greater than P[i]) - */ - status = - acpi_ex_do_logical_op(AML_LGREATER_OP, match_obj, - package_obj, &logical_result); - if (ACPI_FAILURE(status)) { - return (FALSE); - } - logical_result = (u8) ! logical_result; - break; - - case MATCH_MGT: - - /* - * True if greater than: (P[i] > M) - * Change to: (M < P[i]) - */ - status = - acpi_ex_do_logical_op(AML_LLESS_OP, match_obj, package_obj, - &logical_result); - if (ACPI_FAILURE(status)) { - return (FALSE); - } - break; - - default: - - /* Undefined */ - - return (FALSE); - } - - return logical_result; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_opcode_6A_0T_1R - * - * PARAMETERS: walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Execute opcode with 6 arguments, no target, and a return value - * - ******************************************************************************/ - -acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state) -{ - union acpi_operand_object **operand = &walk_state->operands[0]; - union acpi_operand_object *return_desc = NULL; - acpi_status status = AE_OK; - acpi_integer index; - union acpi_operand_object *this_element; - - ACPI_FUNCTION_TRACE_STR(ex_opcode_6A_0T_1R, - acpi_ps_get_opcode_name(walk_state->opcode)); - - switch (walk_state->opcode) { - case AML_MATCH_OP: - /* - * Match (search_pkg[0], match_op1[1], match_obj1[2], - * match_op2[3], match_obj2[4], start_index[5]) - */ - - /* Validate both Match Term Operators (MTR, MEQ, etc.) */ - - if ((operand[1]->integer.value > MAX_MATCH_OPERATOR) || - (operand[3]->integer.value > MAX_MATCH_OPERATOR)) { - ACPI_ERROR((AE_INFO, "Match operator out of range")); - status = AE_AML_OPERAND_VALUE; - goto cleanup; - } - - /* Get the package start_index, validate against the package length */ - - index = operand[5]->integer.value; - if (index >= operand[0]->package.count) { - ACPI_ERROR((AE_INFO, - "Index (%X%8.8X) beyond package end (%X)", - ACPI_FORMAT_UINT64(index), - operand[0]->package.count)); - status = AE_AML_PACKAGE_LIMIT; - goto cleanup; - } - - /* Create an integer for the return value */ - - return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - - } - - /* Default return value if no match found */ - - return_desc->integer.value = ACPI_INTEGER_MAX; - - /* - * Examine each element until a match is found. Both match conditions - * must be satisfied for a match to occur. Within the loop, - * "continue" signifies that the current element does not match - * and the next should be examined. - * - * Upon finding a match, the loop will terminate via "break" at - * the bottom. If it terminates "normally", match_value will be - * ACPI_INTEGER_MAX (Ones) (its initial value) indicating that no - * match was found. - */ - for (; index < operand[0]->package.count; index++) { - - /* Get the current package element */ - - this_element = operand[0]->package.elements[index]; - - /* Treat any uninitialized (NULL) elements as non-matching */ - - if (!this_element) { - continue; - } - - /* - * Both match conditions must be satisfied. Execution of a continue - * (proceed to next iteration of enclosing for loop) signifies a - * non-match. - */ - if (!acpi_ex_do_match((u32) operand[1]->integer.value, - this_element, operand[2])) { - continue; - } - - if (!acpi_ex_do_match((u32) operand[3]->integer.value, - this_element, operand[4])) { - continue; - } - - /* Match found: Index is the return value */ - - return_desc->integer.value = index; - break; - } - break; - - case AML_LOAD_TABLE_OP: - - status = acpi_ex_load_table_op(walk_state, &return_desc); - break; - - default: - - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", - walk_state->opcode)); - status = AE_AML_BAD_OPCODE; - goto cleanup; - } - - cleanup: - - /* Delete return object on error */ - - if (ACPI_FAILURE(status)) { - acpi_ut_remove_reference(return_desc); - } - - /* Save return object on success */ - - else { - walk_state->result_obj = return_desc; - } - - return_ACPI_STATUS(status); -} |