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![Bob Moore](/assets/img/avatar_default.png)
None of the address spaces that require a communication protocol are supported by the "Test Objects" command. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
1072 lines
28 KiB
C
1072 lines
28 KiB
C
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
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/*******************************************************************************
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*
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* Module Name: dbtest - Various debug-related tests
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*
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******************************************************************************/
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#include <acpi/acpi.h>
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#include "accommon.h"
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#include "acdebug.h"
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#include "acnamesp.h"
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#include "acpredef.h"
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#define _COMPONENT ACPI_CA_DEBUGGER
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ACPI_MODULE_NAME("dbtest")
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/* Local prototypes */
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static void acpi_db_test_all_objects(void);
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static acpi_status
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acpi_db_test_one_object(acpi_handle obj_handle,
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u32 nesting_level, void *context, void **return_value);
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static acpi_status
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acpi_db_test_integer_type(struct acpi_namespace_node *node, u32 bit_length);
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static acpi_status
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acpi_db_test_buffer_type(struct acpi_namespace_node *node, u32 bit_length);
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static acpi_status
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acpi_db_test_string_type(struct acpi_namespace_node *node, u32 byte_length);
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static acpi_status acpi_db_test_package_type(struct acpi_namespace_node *node);
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static acpi_status
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acpi_db_read_from_object(struct acpi_namespace_node *node,
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acpi_object_type expected_type,
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union acpi_object **value);
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static acpi_status
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acpi_db_write_to_object(struct acpi_namespace_node *node,
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union acpi_object *value);
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static void acpi_db_evaluate_all_predefined_names(char *count_arg);
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static acpi_status
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acpi_db_evaluate_one_predefined_name(acpi_handle obj_handle,
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u32 nesting_level,
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void *context, void **return_value);
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/*
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* Test subcommands
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*/
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static struct acpi_db_argument_info acpi_db_test_types[] = {
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{"OBJECTS"},
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{"PREDEFINED"},
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{NULL} /* Must be null terminated */
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};
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#define CMD_TEST_OBJECTS 0
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#define CMD_TEST_PREDEFINED 1
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#define BUFFER_FILL_VALUE 0xFF
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/*
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* Support for the special debugger read/write control methods.
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* These methods are installed into the current namespace and are
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* used to read and write the various namespace objects. The point
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* is to force the AML interpreter do all of the work.
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*/
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#define ACPI_DB_READ_METHOD "\\_T98"
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#define ACPI_DB_WRITE_METHOD "\\_T99"
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static acpi_handle read_handle = NULL;
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static acpi_handle write_handle = NULL;
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/* ASL Definitions of the debugger read/write control methods */
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#if 0
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definition_block("ssdt.aml", "SSDT", 2, "Intel", "DEBUG", 0x00000001)
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{
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method(_T98, 1, not_serialized) { /* Read */
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return (de_ref_of(arg0))
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}
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}
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definition_block("ssdt2.aml", "SSDT", 2, "Intel", "DEBUG", 0x00000001)
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{
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method(_T99, 2, not_serialized) { /* Write */
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store(arg1, arg0)
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}
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}
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#endif
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static unsigned char read_method_code[] = {
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0x53, 0x53, 0x44, 0x54, 0x2E, 0x00, 0x00, 0x00, /* 00000000 "SSDT...." */
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0x02, 0xC9, 0x49, 0x6E, 0x74, 0x65, 0x6C, 0x00, /* 00000008 "..Intel." */
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0x44, 0x45, 0x42, 0x55, 0x47, 0x00, 0x00, 0x00, /* 00000010 "DEBUG..." */
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0x01, 0x00, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* 00000018 "....INTL" */
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0x18, 0x12, 0x13, 0x20, 0x14, 0x09, 0x5F, 0x54, /* 00000020 "... .._T" */
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0x39, 0x38, 0x01, 0xA4, 0x83, 0x68 /* 00000028 "98...h" */
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};
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static unsigned char write_method_code[] = {
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0x53, 0x53, 0x44, 0x54, 0x2E, 0x00, 0x00, 0x00, /* 00000000 "SSDT...." */
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0x02, 0x15, 0x49, 0x6E, 0x74, 0x65, 0x6C, 0x00, /* 00000008 "..Intel." */
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0x44, 0x45, 0x42, 0x55, 0x47, 0x00, 0x00, 0x00, /* 00000010 "DEBUG..." */
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0x01, 0x00, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* 00000018 "....INTL" */
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0x18, 0x12, 0x13, 0x20, 0x14, 0x09, 0x5F, 0x54, /* 00000020 "... .._T" */
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0x39, 0x39, 0x02, 0x70, 0x69, 0x68 /* 00000028 "99.pih" */
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};
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_execute_test
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*
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* PARAMETERS: type_arg - Subcommand
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*
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* RETURN: None
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*
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* DESCRIPTION: Execute various debug tests.
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*
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* Note: Code is prepared for future expansion of the TEST command.
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*
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******************************************************************************/
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void acpi_db_execute_test(char *type_arg)
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{
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u32 temp;
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acpi_ut_strupr(type_arg);
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temp = acpi_db_match_argument(type_arg, acpi_db_test_types);
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if (temp == ACPI_TYPE_NOT_FOUND) {
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acpi_os_printf("Invalid or unsupported argument\n");
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return;
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}
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switch (temp) {
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case CMD_TEST_OBJECTS:
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acpi_db_test_all_objects();
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break;
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case CMD_TEST_PREDEFINED:
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acpi_db_evaluate_all_predefined_names(NULL);
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break;
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default:
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break;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_test_all_objects
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*
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* PARAMETERS: None
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*
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* RETURN: None
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*
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* DESCRIPTION: This test implements the OBJECTS subcommand. It exercises the
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* namespace by reading/writing/comparing all data objects such
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* as integers, strings, buffers, fields, buffer fields, etc.
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*
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******************************************************************************/
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static void acpi_db_test_all_objects(void)
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{
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acpi_status status;
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/* Install the debugger read-object control method if necessary */
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if (!read_handle) {
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status = acpi_install_method(read_method_code);
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if (ACPI_FAILURE(status)) {
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acpi_os_printf
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("%s, Could not install debugger read method\n",
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acpi_format_exception(status));
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return;
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}
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status =
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acpi_get_handle(NULL, ACPI_DB_READ_METHOD, &read_handle);
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if (ACPI_FAILURE(status)) {
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acpi_os_printf
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("Could not obtain handle for debug method %s\n",
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ACPI_DB_READ_METHOD);
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return;
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}
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}
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/* Install the debugger write-object control method if necessary */
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if (!write_handle) {
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status = acpi_install_method(write_method_code);
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if (ACPI_FAILURE(status)) {
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acpi_os_printf
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("%s, Could not install debugger write method\n",
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acpi_format_exception(status));
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return;
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}
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status =
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acpi_get_handle(NULL, ACPI_DB_WRITE_METHOD, &write_handle);
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if (ACPI_FAILURE(status)) {
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acpi_os_printf
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("Could not obtain handle for debug method %s\n",
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ACPI_DB_WRITE_METHOD);
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return;
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}
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}
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/* Walk the entire namespace, testing each supported named data object */
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(void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
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ACPI_UINT32_MAX, acpi_db_test_one_object,
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NULL, NULL, NULL);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_test_one_object
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*
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* PARAMETERS: acpi_walk_callback
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*
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* RETURN: Status
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*
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* DESCRIPTION: Test one namespace object. Supported types are Integer,
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* String, Buffer, buffer_field, and field_unit. All other object
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* types are simply ignored.
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*
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* Note: Support for Packages is not implemented.
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*
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******************************************************************************/
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static acpi_status
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acpi_db_test_one_object(acpi_handle obj_handle,
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u32 nesting_level, void *context, void **return_value)
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{
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struct acpi_namespace_node *node;
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union acpi_operand_object *obj_desc;
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union acpi_operand_object *region_obj;
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acpi_object_type local_type;
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u32 bit_length = 0;
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u32 byte_length = 0;
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acpi_status status = AE_OK;
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node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
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obj_desc = node->object;
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/*
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* For the supported types, get the actual bit length or
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* byte length. Map the type to one of Integer/String/Buffer.
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*/
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switch (node->type) {
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case ACPI_TYPE_INTEGER:
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/* Integer width is either 32 or 64 */
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local_type = ACPI_TYPE_INTEGER;
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bit_length = acpi_gbl_integer_bit_width;
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break;
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case ACPI_TYPE_STRING:
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local_type = ACPI_TYPE_STRING;
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byte_length = obj_desc->string.length;
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break;
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case ACPI_TYPE_BUFFER:
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local_type = ACPI_TYPE_BUFFER;
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byte_length = obj_desc->buffer.length;
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bit_length = byte_length * 8;
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break;
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case ACPI_TYPE_PACKAGE:
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local_type = ACPI_TYPE_PACKAGE;
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break;
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case ACPI_TYPE_FIELD_UNIT:
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case ACPI_TYPE_BUFFER_FIELD:
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case ACPI_TYPE_LOCAL_REGION_FIELD:
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case ACPI_TYPE_LOCAL_INDEX_FIELD:
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case ACPI_TYPE_LOCAL_BANK_FIELD:
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local_type = ACPI_TYPE_INTEGER;
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if (obj_desc) {
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/*
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* Returned object will be a Buffer if the field length
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* is larger than the size of an Integer (32 or 64 bits
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* depending on the DSDT version).
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*/
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bit_length = obj_desc->common_field.bit_length;
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byte_length = ACPI_ROUND_BITS_UP_TO_BYTES(bit_length);
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if (bit_length > acpi_gbl_integer_bit_width) {
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local_type = ACPI_TYPE_BUFFER;
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}
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}
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break;
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default:
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/* Ignore all other types */
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return (AE_OK);
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}
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/* Emit the common prefix: Type:Name */
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acpi_os_printf("%14s: %4.4s",
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acpi_ut_get_type_name(node->type), node->name.ascii);
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if (!obj_desc) {
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acpi_os_printf(" Ignoring, no attached object\n");
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return (AE_OK);
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}
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/*
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* Check for unsupported region types. Note: acpi_exec simulates
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* access to system_memory, system_IO, PCI_Config, and EC.
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*/
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switch (node->type) {
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case ACPI_TYPE_LOCAL_REGION_FIELD:
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region_obj = obj_desc->field.region_obj;
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switch (region_obj->region.space_id) {
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case ACPI_ADR_SPACE_SYSTEM_MEMORY:
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case ACPI_ADR_SPACE_SYSTEM_IO:
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case ACPI_ADR_SPACE_PCI_CONFIG:
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break;
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default:
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acpi_os_printf
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(" %s space is not supported in this command [%4.4s]\n",
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acpi_ut_get_region_name(region_obj->region.
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space_id),
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region_obj->region.node->name.ascii);
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return (AE_OK);
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}
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break;
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default:
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break;
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}
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/* At this point, we have resolved the object to one of the major types */
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switch (local_type) {
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case ACPI_TYPE_INTEGER:
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status = acpi_db_test_integer_type(node, bit_length);
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break;
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case ACPI_TYPE_STRING:
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status = acpi_db_test_string_type(node, byte_length);
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break;
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case ACPI_TYPE_BUFFER:
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status = acpi_db_test_buffer_type(node, bit_length);
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break;
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case ACPI_TYPE_PACKAGE:
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status = acpi_db_test_package_type(node);
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break;
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default:
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acpi_os_printf(" Ignoring, type not implemented (%2.2X)",
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local_type);
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break;
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}
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/* Exit on error, but don't abort the namespace walk */
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if (ACPI_FAILURE(status)) {
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status = AE_OK;
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goto exit;
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}
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switch (node->type) {
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case ACPI_TYPE_LOCAL_REGION_FIELD:
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region_obj = obj_desc->field.region_obj;
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acpi_os_printf(" (%s)",
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acpi_ut_get_region_name(region_obj->region.
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space_id));
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break;
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default:
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break;
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}
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exit:
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acpi_os_printf("\n");
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return (status);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_db_test_integer_type
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*
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* PARAMETERS: node - Parent NS node for the object
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* bit_length - Actual length of the object. Used for
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* support of arbitrary length field_unit
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* and buffer_field objects.
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*
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* RETURN: Status
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*
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* DESCRIPTION: Test read/write for an Integer-valued object. Performs a
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* write/read/compare of an arbitrary new value, then performs
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* a write/read/compare of the original value.
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*
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******************************************************************************/
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static acpi_status
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acpi_db_test_integer_type(struct acpi_namespace_node *node, u32 bit_length)
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{
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union acpi_object *temp1 = NULL;
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union acpi_object *temp2 = NULL;
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union acpi_object *temp3 = NULL;
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union acpi_object write_value;
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u64 value_to_write;
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acpi_status status;
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if (bit_length > 64) {
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acpi_os_printf(" Invalid length for an Integer: %u",
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bit_length);
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return (AE_OK);
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}
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|
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/* Read the original value */
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status = acpi_db_read_from_object(node, ACPI_TYPE_INTEGER, &temp1);
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if (ACPI_FAILURE(status)) {
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return (status);
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}
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acpi_os_printf(" (%4.4X/%3.3X) %8.8X%8.8X",
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bit_length, ACPI_ROUND_BITS_UP_TO_BYTES(bit_length),
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ACPI_FORMAT_UINT64(temp1->integer.value));
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value_to_write = ACPI_UINT64_MAX >> (64 - bit_length);
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if (temp1->integer.value == value_to_write) {
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value_to_write = 0;
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}
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/* Write a new value */
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write_value.type = ACPI_TYPE_INTEGER;
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write_value.integer.value = value_to_write;
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status = acpi_db_write_to_object(node, &write_value);
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if (ACPI_FAILURE(status)) {
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goto exit;
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}
|
|
|
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/* Ensure that we can read back the new value */
|
|
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status = acpi_db_read_from_object(node, ACPI_TYPE_INTEGER, &temp2);
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if (ACPI_FAILURE(status)) {
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goto exit;
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}
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if (temp2->integer.value != value_to_write) {
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acpi_os_printf(" MISMATCH 2: %8.8X%8.8X, expecting %8.8X%8.8X",
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ACPI_FORMAT_UINT64(temp2->integer.value),
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ACPI_FORMAT_UINT64(value_to_write));
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}
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|
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/* Write back the original value */
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write_value.integer.value = temp1->integer.value;
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status = acpi_db_write_to_object(node, &write_value);
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if (ACPI_FAILURE(status)) {
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goto exit;
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}
|
|
|
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/* Ensure that we can read back the original value */
|
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status = acpi_db_read_from_object(node, ACPI_TYPE_INTEGER, &temp3);
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if (ACPI_FAILURE(status)) {
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goto exit;
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}
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if (temp3->integer.value != temp1->integer.value) {
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acpi_os_printf(" MISMATCH 3: %8.8X%8.8X, expecting %8.8X%8.8X",
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ACPI_FORMAT_UINT64(temp3->integer.value),
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ACPI_FORMAT_UINT64(temp1->integer.value));
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}
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exit:
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if (temp1) {
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acpi_os_free(temp1);
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}
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if (temp2) {
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acpi_os_free(temp2);
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}
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if (temp3) {
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acpi_os_free(temp3);
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}
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return (AE_OK);
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}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_test_buffer_type
|
|
*
|
|
* PARAMETERS: node - Parent NS node for the object
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* bit_length - Actual length of the object.
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*
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* RETURN: Status
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*
|
|
* DESCRIPTION: Test read/write for an Buffer-valued object. Performs a
|
|
* write/read/compare of an arbitrary new value, then performs
|
|
* a write/read/compare of the original value.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static acpi_status
|
|
acpi_db_test_buffer_type(struct acpi_namespace_node *node, u32 bit_length)
|
|
{
|
|
union acpi_object *temp1 = NULL;
|
|
union acpi_object *temp2 = NULL;
|
|
union acpi_object *temp3 = NULL;
|
|
u8 *buffer;
|
|
union acpi_object write_value;
|
|
acpi_status status;
|
|
u32 byte_length;
|
|
u32 i;
|
|
u8 extra_bits;
|
|
|
|
byte_length = ACPI_ROUND_BITS_UP_TO_BYTES(bit_length);
|
|
if (byte_length == 0) {
|
|
acpi_os_printf(" Ignoring zero length buffer");
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* Allocate a local buffer */
|
|
|
|
buffer = ACPI_ALLOCATE_ZEROED(byte_length);
|
|
if (!buffer) {
|
|
return (AE_NO_MEMORY);
|
|
}
|
|
|
|
/* Read the original value */
|
|
|
|
status = acpi_db_read_from_object(node, ACPI_TYPE_BUFFER, &temp1);
|
|
if (ACPI_FAILURE(status)) {
|
|
goto exit;
|
|
}
|
|
|
|
/* Emit a few bytes of the buffer */
|
|
|
|
acpi_os_printf(" (%4.4X/%3.3X)", bit_length, temp1->buffer.length);
|
|
for (i = 0; ((i < 4) && (i < byte_length)); i++) {
|
|
acpi_os_printf(" %2.2X", temp1->buffer.pointer[i]);
|
|
}
|
|
acpi_os_printf("... ");
|
|
|
|
/*
|
|
* Write a new value.
|
|
*
|
|
* Handle possible extra bits at the end of the buffer. Can
|
|
* happen for field_units larger than an integer, but the bit
|
|
* count is not an integral number of bytes. Zero out the
|
|
* unused bits.
|
|
*/
|
|
memset(buffer, BUFFER_FILL_VALUE, byte_length);
|
|
extra_bits = bit_length % 8;
|
|
if (extra_bits) {
|
|
buffer[byte_length - 1] = ACPI_MASK_BITS_ABOVE(extra_bits);
|
|
}
|
|
|
|
write_value.type = ACPI_TYPE_BUFFER;
|
|
write_value.buffer.length = byte_length;
|
|
write_value.buffer.pointer = buffer;
|
|
|
|
status = acpi_db_write_to_object(node, &write_value);
|
|
if (ACPI_FAILURE(status)) {
|
|
goto exit;
|
|
}
|
|
|
|
/* Ensure that we can read back the new value */
|
|
|
|
status = acpi_db_read_from_object(node, ACPI_TYPE_BUFFER, &temp2);
|
|
if (ACPI_FAILURE(status)) {
|
|
goto exit;
|
|
}
|
|
|
|
if (memcmp(temp2->buffer.pointer, buffer, byte_length)) {
|
|
acpi_os_printf(" MISMATCH 2: New buffer value");
|
|
}
|
|
|
|
/* Write back the original value */
|
|
|
|
write_value.buffer.length = byte_length;
|
|
write_value.buffer.pointer = temp1->buffer.pointer;
|
|
|
|
status = acpi_db_write_to_object(node, &write_value);
|
|
if (ACPI_FAILURE(status)) {
|
|
goto exit;
|
|
}
|
|
|
|
/* Ensure that we can read back the original value */
|
|
|
|
status = acpi_db_read_from_object(node, ACPI_TYPE_BUFFER, &temp3);
|
|
if (ACPI_FAILURE(status)) {
|
|
goto exit;
|
|
}
|
|
|
|
if (memcmp(temp1->buffer.pointer, temp3->buffer.pointer, byte_length)) {
|
|
acpi_os_printf(" MISMATCH 3: While restoring original buffer");
|
|
}
|
|
|
|
exit:
|
|
ACPI_FREE(buffer);
|
|
if (temp1) {
|
|
acpi_os_free(temp1);
|
|
}
|
|
if (temp2) {
|
|
acpi_os_free(temp2);
|
|
}
|
|
if (temp3) {
|
|
acpi_os_free(temp3);
|
|
}
|
|
return (status);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_test_string_type
|
|
*
|
|
* PARAMETERS: node - Parent NS node for the object
|
|
* byte_length - Actual length of the object.
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Test read/write for an String-valued object. Performs a
|
|
* write/read/compare of an arbitrary new value, then performs
|
|
* a write/read/compare of the original value.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static acpi_status
|
|
acpi_db_test_string_type(struct acpi_namespace_node *node, u32 byte_length)
|
|
{
|
|
union acpi_object *temp1 = NULL;
|
|
union acpi_object *temp2 = NULL;
|
|
union acpi_object *temp3 = NULL;
|
|
char *value_to_write = "Test String from AML Debugger";
|
|
union acpi_object write_value;
|
|
acpi_status status;
|
|
|
|
/* Read the original value */
|
|
|
|
status = acpi_db_read_from_object(node, ACPI_TYPE_STRING, &temp1);
|
|
if (ACPI_FAILURE(status)) {
|
|
return (status);
|
|
}
|
|
|
|
acpi_os_printf(" (%4.4X/%3.3X) \"%s\"", (temp1->string.length * 8),
|
|
temp1->string.length, temp1->string.pointer);
|
|
|
|
/* Write a new value */
|
|
|
|
write_value.type = ACPI_TYPE_STRING;
|
|
write_value.string.length = strlen(value_to_write);
|
|
write_value.string.pointer = value_to_write;
|
|
|
|
status = acpi_db_write_to_object(node, &write_value);
|
|
if (ACPI_FAILURE(status)) {
|
|
goto exit;
|
|
}
|
|
|
|
/* Ensure that we can read back the new value */
|
|
|
|
status = acpi_db_read_from_object(node, ACPI_TYPE_STRING, &temp2);
|
|
if (ACPI_FAILURE(status)) {
|
|
goto exit;
|
|
}
|
|
|
|
if (strcmp(temp2->string.pointer, value_to_write)) {
|
|
acpi_os_printf(" MISMATCH 2: %s, expecting %s",
|
|
temp2->string.pointer, value_to_write);
|
|
}
|
|
|
|
/* Write back the original value */
|
|
|
|
write_value.string.length = strlen(temp1->string.pointer);
|
|
write_value.string.pointer = temp1->string.pointer;
|
|
|
|
status = acpi_db_write_to_object(node, &write_value);
|
|
if (ACPI_FAILURE(status)) {
|
|
goto exit;
|
|
}
|
|
|
|
/* Ensure that we can read back the original value */
|
|
|
|
status = acpi_db_read_from_object(node, ACPI_TYPE_STRING, &temp3);
|
|
if (ACPI_FAILURE(status)) {
|
|
goto exit;
|
|
}
|
|
|
|
if (strcmp(temp1->string.pointer, temp3->string.pointer)) {
|
|
acpi_os_printf(" MISMATCH 3: %s, expecting %s",
|
|
temp3->string.pointer, temp1->string.pointer);
|
|
}
|
|
|
|
exit:
|
|
if (temp1) {
|
|
acpi_os_free(temp1);
|
|
}
|
|
if (temp2) {
|
|
acpi_os_free(temp2);
|
|
}
|
|
if (temp3) {
|
|
acpi_os_free(temp3);
|
|
}
|
|
return (status);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_test_package_type
|
|
*
|
|
* PARAMETERS: node - Parent NS node for the object
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Test read for a Package object.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static acpi_status acpi_db_test_package_type(struct acpi_namespace_node *node)
|
|
{
|
|
union acpi_object *temp1 = NULL;
|
|
acpi_status status;
|
|
|
|
/* Read the original value */
|
|
|
|
status = acpi_db_read_from_object(node, ACPI_TYPE_PACKAGE, &temp1);
|
|
if (ACPI_FAILURE(status)) {
|
|
return (status);
|
|
}
|
|
|
|
acpi_os_printf(" %8.8X Elements", temp1->package.count);
|
|
acpi_os_free(temp1);
|
|
return (status);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_read_from_object
|
|
*
|
|
* PARAMETERS: node - Parent NS node for the object
|
|
* expected_type - Object type expected from the read
|
|
* value - Where the value read is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Performs a read from the specified object by invoking the
|
|
* special debugger control method that reads the object. Thus,
|
|
* the AML interpreter is doing all of the work, increasing the
|
|
* validity of the test.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static acpi_status
|
|
acpi_db_read_from_object(struct acpi_namespace_node *node,
|
|
acpi_object_type expected_type,
|
|
union acpi_object **value)
|
|
{
|
|
union acpi_object *ret_value;
|
|
struct acpi_object_list param_objects;
|
|
union acpi_object params[2];
|
|
struct acpi_buffer return_obj;
|
|
acpi_status status;
|
|
|
|
params[0].type = ACPI_TYPE_LOCAL_REFERENCE;
|
|
params[0].reference.actual_type = node->type;
|
|
params[0].reference.handle = ACPI_CAST_PTR(acpi_handle, node);
|
|
|
|
param_objects.count = 1;
|
|
param_objects.pointer = params;
|
|
|
|
return_obj.length = ACPI_ALLOCATE_BUFFER;
|
|
|
|
acpi_gbl_method_executing = TRUE;
|
|
status = acpi_evaluate_object(read_handle, NULL,
|
|
¶m_objects, &return_obj);
|
|
|
|
acpi_gbl_method_executing = FALSE;
|
|
if (ACPI_FAILURE(status)) {
|
|
acpi_os_printf("Could not read from object, %s",
|
|
acpi_format_exception(status));
|
|
return (status);
|
|
}
|
|
|
|
ret_value = (union acpi_object *)return_obj.pointer;
|
|
|
|
switch (ret_value->type) {
|
|
case ACPI_TYPE_INTEGER:
|
|
case ACPI_TYPE_BUFFER:
|
|
case ACPI_TYPE_STRING:
|
|
case ACPI_TYPE_PACKAGE:
|
|
/*
|
|
* Did we receive the type we wanted? Most important for the
|
|
* Integer/Buffer case (when a field is larger than an Integer,
|
|
* it should return a Buffer).
|
|
*/
|
|
if (ret_value->type != expected_type) {
|
|
acpi_os_printf
|
|
(" Type mismatch: Expected %s, Received %s",
|
|
acpi_ut_get_type_name(expected_type),
|
|
acpi_ut_get_type_name(ret_value->type));
|
|
|
|
acpi_os_free(return_obj.pointer);
|
|
return (AE_TYPE);
|
|
}
|
|
|
|
*value = ret_value;
|
|
break;
|
|
|
|
default:
|
|
|
|
acpi_os_printf(" Unsupported return object type, %s",
|
|
acpi_ut_get_type_name(ret_value->type));
|
|
|
|
acpi_os_free(return_obj.pointer);
|
|
return (AE_TYPE);
|
|
}
|
|
|
|
return (status);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_write_to_object
|
|
*
|
|
* PARAMETERS: node - Parent NS node for the object
|
|
* value - Value to be written
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Performs a write to the specified object by invoking the
|
|
* special debugger control method that writes the object. Thus,
|
|
* the AML interpreter is doing all of the work, increasing the
|
|
* validity of the test.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static acpi_status
|
|
acpi_db_write_to_object(struct acpi_namespace_node *node,
|
|
union acpi_object *value)
|
|
{
|
|
struct acpi_object_list param_objects;
|
|
union acpi_object params[2];
|
|
acpi_status status;
|
|
|
|
params[0].type = ACPI_TYPE_LOCAL_REFERENCE;
|
|
params[0].reference.actual_type = node->type;
|
|
params[0].reference.handle = ACPI_CAST_PTR(acpi_handle, node);
|
|
|
|
/* Copy the incoming user parameter */
|
|
|
|
memcpy(¶ms[1], value, sizeof(union acpi_object));
|
|
|
|
param_objects.count = 2;
|
|
param_objects.pointer = params;
|
|
|
|
acpi_gbl_method_executing = TRUE;
|
|
status = acpi_evaluate_object(write_handle, NULL, ¶m_objects, NULL);
|
|
acpi_gbl_method_executing = FALSE;
|
|
|
|
if (ACPI_FAILURE(status)) {
|
|
acpi_os_printf("Could not write to object, %s",
|
|
acpi_format_exception(status));
|
|
}
|
|
|
|
return (status);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_evaluate_all_predefined_names
|
|
*
|
|
* PARAMETERS: count_arg - Max number of methods to execute
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Namespace batch execution. Execute predefined names in the
|
|
* namespace, up to the max count, if specified.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void acpi_db_evaluate_all_predefined_names(char *count_arg)
|
|
{
|
|
struct acpi_db_execute_walk info;
|
|
|
|
info.count = 0;
|
|
info.max_count = ACPI_UINT32_MAX;
|
|
|
|
if (count_arg) {
|
|
info.max_count = strtoul(count_arg, NULL, 0);
|
|
}
|
|
|
|
/* Search all nodes in namespace */
|
|
|
|
(void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
|
|
ACPI_UINT32_MAX,
|
|
acpi_db_evaluate_one_predefined_name, NULL,
|
|
(void *)&info, NULL);
|
|
|
|
acpi_os_printf("Evaluated %u predefined names in the namespace\n",
|
|
info.count);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_db_evaluate_one_predefined_name
|
|
*
|
|
* PARAMETERS: Callback from walk_namespace
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Batch execution module. Currently only executes predefined
|
|
* ACPI names.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static acpi_status
|
|
acpi_db_evaluate_one_predefined_name(acpi_handle obj_handle,
|
|
u32 nesting_level,
|
|
void *context, void **return_value)
|
|
{
|
|
struct acpi_namespace_node *node =
|
|
(struct acpi_namespace_node *)obj_handle;
|
|
struct acpi_db_execute_walk *info =
|
|
(struct acpi_db_execute_walk *)context;
|
|
char *pathname;
|
|
const union acpi_predefined_info *predefined;
|
|
struct acpi_device_info *obj_info;
|
|
struct acpi_object_list param_objects;
|
|
union acpi_object params[ACPI_METHOD_NUM_ARGS];
|
|
union acpi_object *this_param;
|
|
struct acpi_buffer return_obj;
|
|
acpi_status status;
|
|
u16 arg_type_list;
|
|
u8 arg_count;
|
|
u8 arg_type;
|
|
u32 i;
|
|
|
|
/* The name must be a predefined ACPI name */
|
|
|
|
predefined = acpi_ut_match_predefined_method(node->name.ascii);
|
|
if (!predefined) {
|
|
return (AE_OK);
|
|
}
|
|
|
|
if (node->type == ACPI_TYPE_LOCAL_SCOPE) {
|
|
return (AE_OK);
|
|
}
|
|
|
|
pathname = acpi_ns_get_normalized_pathname(node, TRUE);
|
|
if (!pathname) {
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* Get the object info for number of method parameters */
|
|
|
|
status = acpi_get_object_info(obj_handle, &obj_info);
|
|
if (ACPI_FAILURE(status)) {
|
|
ACPI_FREE(pathname);
|
|
return (status);
|
|
}
|
|
|
|
param_objects.count = 0;
|
|
param_objects.pointer = NULL;
|
|
|
|
if (obj_info->type == ACPI_TYPE_METHOD) {
|
|
|
|
/* Setup default parameters (with proper types) */
|
|
|
|
arg_type_list = predefined->info.argument_list;
|
|
arg_count = METHOD_GET_ARG_COUNT(arg_type_list);
|
|
|
|
/*
|
|
* Setup the ACPI-required number of arguments, regardless of what
|
|
* the actual method defines. If there is a difference, then the
|
|
* method is wrong and a warning will be issued during execution.
|
|
*/
|
|
this_param = params;
|
|
for (i = 0; i < arg_count; i++) {
|
|
arg_type = METHOD_GET_NEXT_TYPE(arg_type_list);
|
|
this_param->type = arg_type;
|
|
|
|
switch (arg_type) {
|
|
case ACPI_TYPE_INTEGER:
|
|
|
|
this_param->integer.value = 1;
|
|
break;
|
|
|
|
case ACPI_TYPE_STRING:
|
|
|
|
this_param->string.pointer =
|
|
"This is the default argument string";
|
|
this_param->string.length =
|
|
strlen(this_param->string.pointer);
|
|
break;
|
|
|
|
case ACPI_TYPE_BUFFER:
|
|
|
|
this_param->buffer.pointer = (u8 *)params; /* just a garbage buffer */
|
|
this_param->buffer.length = 48;
|
|
break;
|
|
|
|
case ACPI_TYPE_PACKAGE:
|
|
|
|
this_param->package.elements = NULL;
|
|
this_param->package.count = 0;
|
|
break;
|
|
|
|
default:
|
|
|
|
acpi_os_printf
|
|
("%s: Unsupported argument type: %u\n",
|
|
pathname, arg_type);
|
|
break;
|
|
}
|
|
|
|
this_param++;
|
|
}
|
|
|
|
param_objects.count = arg_count;
|
|
param_objects.pointer = params;
|
|
}
|
|
|
|
ACPI_FREE(obj_info);
|
|
return_obj.pointer = NULL;
|
|
return_obj.length = ACPI_ALLOCATE_BUFFER;
|
|
|
|
/* Do the actual method execution */
|
|
|
|
acpi_gbl_method_executing = TRUE;
|
|
|
|
status = acpi_evaluate_object(node, NULL, ¶m_objects, &return_obj);
|
|
|
|
acpi_os_printf("%-32s returned %s\n",
|
|
pathname, acpi_format_exception(status));
|
|
acpi_gbl_method_executing = FALSE;
|
|
ACPI_FREE(pathname);
|
|
|
|
/* Ignore status from method execution */
|
|
|
|
status = AE_OK;
|
|
|
|
/* Update count, check if we have executed enough methods */
|
|
|
|
info->count++;
|
|
if (info->count >= info->max_count) {
|
|
status = AE_CTRL_TERMINATE;
|
|
}
|
|
|
|
return (status);
|
|
}
|