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Diffstat (limited to 'drivers/acpi/acpica/psparse.c')
-rw-r--r--drivers/acpi/acpica/psparse.c113
1 files changed, 56 insertions, 57 deletions
diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c
index 86198a9139b5..55a416e56fd8 100644
--- a/drivers/acpi/acpica/psparse.c
+++ b/drivers/acpi/acpica/psparse.c
@@ -1,45 +1,11 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/******************************************************************************
*
* Module Name: psparse - Parser top level AML parse routines
*
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2013, 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.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
- * 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.
- */
+ *****************************************************************************/
/*
* Parse the AML and build an operation tree as most interpreters,
@@ -56,6 +22,7 @@
#include "acdispat.h"
#include "amlcode.h"
#include "acinterp.h"
+#include "acnamesp.h"
#define _COMPONENT ACPI_PARSER
ACPI_MODULE_NAME("psparse")
@@ -105,7 +72,7 @@ u16 acpi_ps_peek_opcode(struct acpi_parse_state * parser_state)
aml = parser_state->aml;
opcode = (u16) ACPI_GET8(aml);
- if (opcode == AML_EXTENDED_OP_PREFIX) {
+ if (opcode == AML_EXTENDED_PREFIX) {
/* Extended opcode, get the second opcode byte */
@@ -130,8 +97,8 @@ u16 acpi_ps_peek_opcode(struct acpi_parse_state * parser_state)
******************************************************************************/
acpi_status
-acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
- union acpi_parse_object * op)
+acpi_ps_complete_this_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op)
{
union acpi_parse_object *prev;
union acpi_parse_object *next;
@@ -147,6 +114,8 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
return_ACPI_STATUS(AE_OK); /* OK for now */
}
+ acpi_ex_stop_trace_opcode(op, walk_state);
+
/* Delete this op and the subtree below it if asked to */
if (((walk_state->parse_flags & ACPI_PARSE_TREE_MASK) !=
@@ -185,7 +154,8 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
* op must be replaced by a placeholder return op
*/
replacement_op =
- acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP);
+ acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP,
+ op->common.aml);
if (!replacement_op) {
status = AE_NO_MEMORY;
}
@@ -207,9 +177,10 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
|| (op->common.parent->common.aml_opcode ==
AML_BANK_FIELD_OP)
|| (op->common.parent->common.aml_opcode ==
- AML_VAR_PACKAGE_OP)) {
+ AML_VARIABLE_PACKAGE_OP)) {
replacement_op =
- acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP);
+ acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP,
+ op->common.aml);
if (!replacement_op) {
status = AE_NO_MEMORY;
}
@@ -221,10 +192,11 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
if ((op->common.aml_opcode == AML_BUFFER_OP)
|| (op->common.aml_opcode == AML_PACKAGE_OP)
|| (op->common.aml_opcode ==
- AML_VAR_PACKAGE_OP)) {
+ AML_VARIABLE_PACKAGE_OP)) {
replacement_op =
acpi_ps_alloc_op(op->common.
- aml_opcode);
+ aml_opcode,
+ op->common.aml);
if (!replacement_op) {
status = AE_NO_MEMORY;
} else {
@@ -240,7 +212,8 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
default:
replacement_op =
- acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP);
+ acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP,
+ op->common.aml);
if (!replacement_op) {
status = AE_NO_MEMORY;
}
@@ -297,7 +270,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
}
}
- cleanup:
+cleanup:
/* Now we can actually delete the subtree rooted at Op */
@@ -410,7 +383,7 @@ acpi_ps_next_parse_state(struct acpi_walk_state *walk_state,
default:
status = callback_status;
- if ((callback_status & AE_CODE_MASK) == AE_CODE_CONTROL) {
+ if (ACPI_CNTL_EXCEPTION(callback_status)) {
status = AE_OK;
}
break;
@@ -447,7 +420,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
walk_state->parser_state.aml_size));
if (!walk_state->parser_state.aml) {
- return_ACPI_STATUS(AE_NULL_OBJECT);
+ return_ACPI_STATUS(AE_BAD_ADDRESS);
}
/* Create and initialize a new thread state */
@@ -506,6 +479,21 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
"Completed one call to walk loop, %s State=%p\n",
acpi_format_exception(status), walk_state));
+ if (walk_state->method_pathname && walk_state->method_is_nested) {
+
+ /* Optional object evaluation log */
+
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_EVALUATION,
+ "%-26s: %*s%s\n",
+ " Exit nested method",
+ (walk_state->
+ method_nesting_depth + 1) * 3,
+ " ",
+ &walk_state->method_pathname[1]));
+
+ ACPI_FREE(walk_state->method_pathname);
+ walk_state->method_is_nested = FALSE;
+ }
if (status == AE_CTRL_TRANSFER) {
/*
* A method call was detected.
@@ -520,8 +508,8 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
}
/*
- * If the transfer to the new method method call worked, a new walk
- * state was created -- get it
+ * If the transfer to the new method method call worked,
+ * a new walk state was created -- get it
*/
walk_state = acpi_ds_get_current_walk_state(thread);
continue;
@@ -531,15 +519,24 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
/* Either the method parse or actual execution failed */
- ACPI_ERROR_METHOD("Method parse/execution failed",
- walk_state->method_node, NULL,
- status);
+ acpi_ex_exit_interpreter();
+ if (status == AE_ABORT_METHOD) {
+ acpi_ns_print_node_pathname(walk_state->
+ method_node,
+ "Aborting method");
+ acpi_os_printf("\n");
+ } else {
+ ACPI_ERROR_METHOD("Aborting method",
+ walk_state->method_node, NULL,
+ status);
+ }
+ acpi_ex_enter_interpreter();
/* Check for possible multi-thread reentrancy problem */
if ((status == AE_ALREADY_EXISTS) &&
- (!(walk_state->method_desc->method.
- info_flags & ACPI_METHOD_SERIALIZED))) {
+ (!(walk_state->method_desc->method.info_flags &
+ ACPI_METHOD_SERIALIZED))) {
/*
* Method is not serialized and tried to create an object
* twice. The probable cause is that the method cannot
@@ -565,7 +562,9 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
* cleanup to do
*/
if (((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
- ACPI_PARSE_EXECUTE) || (ACPI_FAILURE(status))) {
+ ACPI_PARSE_EXECUTE &&
+ !(walk_state->parse_flags & ACPI_PARSE_MODULE_LEVEL)) ||
+ (ACPI_FAILURE(status))) {
acpi_ds_terminate_control_method(walk_state->
method_desc,
walk_state);