Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
diff --git a/drivers/acpi/executer/exoparg6.c b/drivers/acpi/executer/exoparg6.c
new file mode 100644
index 0000000..d326243
--- /dev/null
+++ b/drivers/acpi/executer/exoparg6.c
@@ -0,0 +1,336 @@
+
+/******************************************************************************
+ *
+ * Module Name: exoparg6 - AML execution - opcodes with 6 arguments
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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/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.
+!*/
+
+
+/*******************************************************************************
+ *
+ * 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).
+ *
+ ******************************************************************************/
+
+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;
+ u32 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_DEBUG_PRINT ((ACPI_DB_ERROR, "Match operator out of range\n"));
+ status = AE_AML_OPERAND_VALUE;
+ goto cleanup;
+ }
+
+ /* Get the package start_index, validate against the package length */
+
+ index = (u32) operand[5]->integer.value;
+ if (index >= (u32) operand[0]->package.count) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Index beyond package end\n"));
+ 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_REPORT_ERROR (("acpi_ex_opcode_3A_0T_0R: Unknown opcode %X\n",
+ walk_state->opcode));
+ status = AE_AML_BAD_OPCODE;
+ goto cleanup;
+ }
+
+
+ walk_state->result_obj = return_desc;
+
+
+cleanup:
+
+ /* Delete return object on error */
+
+ if (ACPI_FAILURE (status)) {
+ acpi_ut_remove_reference (return_desc);
+ }
+
+ return_ACPI_STATUS (status);
+}