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/****************************************************************************** |
* |
* Module Name: utinit - Common ACPI subsystem initialization |
* |
*****************************************************************************/ |
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/* |
* Copyright (C) 2000 - 2015, 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. |
*/ |
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#include <acpi/acpi.h> |
#include "accommon.h" |
#include "acnamesp.h" |
#include "acevents.h" |
#include "actables.h" |
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#define _COMPONENT ACPI_UTILITIES |
ACPI_MODULE_NAME("utinit") |
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/* Local prototypes */ |
static void acpi_ut_terminate(void); |
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#if (!ACPI_REDUCED_HARDWARE) |
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static void acpi_ut_free_gpe_lists(void); |
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#else |
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#define acpi_ut_free_gpe_lists() |
#endif /* !ACPI_REDUCED_HARDWARE */ |
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#if (!ACPI_REDUCED_HARDWARE) |
/****************************************************************************** |
* |
* FUNCTION: acpi_ut_free_gpe_lists |
* |
* PARAMETERS: none |
* |
* RETURN: none |
* |
* DESCRIPTION: Free global GPE lists |
* |
******************************************************************************/ |
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static void acpi_ut_free_gpe_lists(void) |
{ |
struct acpi_gpe_block_info *gpe_block; |
struct acpi_gpe_block_info *next_gpe_block; |
struct acpi_gpe_xrupt_info *gpe_xrupt_info; |
struct acpi_gpe_xrupt_info *next_gpe_xrupt_info; |
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/* Free global GPE blocks and related info structures */ |
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gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head; |
while (gpe_xrupt_info) { |
gpe_block = gpe_xrupt_info->gpe_block_list_head; |
while (gpe_block) { |
next_gpe_block = gpe_block->next; |
ACPI_FREE(gpe_block->event_info); |
ACPI_FREE(gpe_block->register_info); |
ACPI_FREE(gpe_block); |
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gpe_block = next_gpe_block; |
} |
next_gpe_xrupt_info = gpe_xrupt_info->next; |
ACPI_FREE(gpe_xrupt_info); |
gpe_xrupt_info = next_gpe_xrupt_info; |
} |
} |
#endif /* !ACPI_REDUCED_HARDWARE */ |
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/******************************************************************************* |
* |
* FUNCTION: acpi_ut_init_globals |
* |
* PARAMETERS: None |
* |
* RETURN: Status |
* |
* DESCRIPTION: Initialize ACPICA globals. All globals that require specific |
* initialization should be initialized here. This allows for |
* a warm restart. |
* |
******************************************************************************/ |
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acpi_status acpi_ut_init_globals(void) |
{ |
acpi_status status; |
u32 i; |
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ACPI_FUNCTION_TRACE(ut_init_globals); |
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/* Create all memory caches */ |
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status = acpi_ut_create_caches(); |
if (ACPI_FAILURE(status)) { |
return_ACPI_STATUS(status); |
} |
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/* Address Range lists */ |
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for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) { |
acpi_gbl_address_range_list[i] = NULL; |
} |
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/* Mutex locked flags */ |
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for (i = 0; i < ACPI_NUM_MUTEX; i++) { |
acpi_gbl_mutex_info[i].mutex = NULL; |
acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED; |
acpi_gbl_mutex_info[i].use_count = 0; |
} |
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for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) { |
acpi_gbl_owner_id_mask[i] = 0; |
} |
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/* Last owner_ID is never valid */ |
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acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; |
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/* Event counters */ |
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acpi_method_count = 0; |
acpi_sci_count = 0; |
acpi_gpe_count = 0; |
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for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) { |
acpi_fixed_event_count[i] = 0; |
} |
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#if (!ACPI_REDUCED_HARDWARE) |
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/* GPE/SCI support */ |
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acpi_gbl_all_gpes_initialized = FALSE; |
acpi_gbl_gpe_xrupt_list_head = NULL; |
acpi_gbl_gpe_fadt_blocks[0] = NULL; |
acpi_gbl_gpe_fadt_blocks[1] = NULL; |
acpi_current_gpe_count = 0; |
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acpi_gbl_global_event_handler = NULL; |
acpi_gbl_sci_handler_list = NULL; |
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#endif /* !ACPI_REDUCED_HARDWARE */ |
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/* Global handlers */ |
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acpi_gbl_global_notify[0].handler = NULL; |
acpi_gbl_global_notify[1].handler = NULL; |
acpi_gbl_exception_handler = NULL; |
acpi_gbl_init_handler = NULL; |
acpi_gbl_table_handler = NULL; |
acpi_gbl_interface_handler = NULL; |
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/* Global Lock support */ |
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acpi_gbl_global_lock_semaphore = NULL; |
acpi_gbl_global_lock_mutex = NULL; |
acpi_gbl_global_lock_acquired = FALSE; |
acpi_gbl_global_lock_handle = 0; |
acpi_gbl_global_lock_present = FALSE; |
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/* Miscellaneous variables */ |
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acpi_gbl_DSDT = NULL; |
acpi_gbl_cm_single_step = FALSE; |
acpi_gbl_shutdown = FALSE; |
acpi_gbl_ns_lookup_count = 0; |
acpi_gbl_ps_find_count = 0; |
acpi_gbl_acpi_hardware_present = TRUE; |
acpi_gbl_last_owner_id_index = 0; |
acpi_gbl_next_owner_id_offset = 0; |
acpi_gbl_debugger_configuration = DEBUGGER_THREADING; |
acpi_gbl_osi_mutex = NULL; |
acpi_gbl_reg_methods_executed = FALSE; |
acpi_gbl_max_loop_iterations = 0xFFFF; |
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/* Hardware oriented */ |
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acpi_gbl_events_initialized = FALSE; |
acpi_gbl_system_awake_and_running = TRUE; |
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/* Namespace */ |
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acpi_gbl_module_code_list = NULL; |
acpi_gbl_root_node = NULL; |
acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME; |
acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED; |
acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE; |
acpi_gbl_root_node_struct.parent = NULL; |
acpi_gbl_root_node_struct.child = NULL; |
acpi_gbl_root_node_struct.peer = NULL; |
acpi_gbl_root_node_struct.object = NULL; |
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#ifdef ACPI_DISASSEMBLER |
acpi_gbl_external_list = NULL; |
acpi_gbl_num_external_methods = 0; |
acpi_gbl_resolved_external_methods = 0; |
#endif |
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#ifdef ACPI_DEBUG_OUTPUT |
acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX); |
#endif |
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#ifdef ACPI_DBG_TRACK_ALLOCATIONS |
acpi_gbl_display_final_mem_stats = FALSE; |
acpi_gbl_disable_mem_tracking = FALSE; |
#endif |
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return_ACPI_STATUS(AE_OK); |
} |
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/****************************************************************************** |
* |
* FUNCTION: acpi_ut_terminate |
* |
* PARAMETERS: none |
* |
* RETURN: none |
* |
* DESCRIPTION: Free global memory |
* |
******************************************************************************/ |
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static void acpi_ut_terminate(void) |
{ |
ACPI_FUNCTION_TRACE(ut_terminate); |
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acpi_ut_free_gpe_lists(); |
acpi_ut_delete_address_lists(); |
return_VOID; |
} |
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/******************************************************************************* |
* |
* FUNCTION: acpi_ut_subsystem_shutdown |
* |
* PARAMETERS: None |
* |
* RETURN: None |
* |
* DESCRIPTION: Shutdown the various components. Do not delete the mutex |
* objects here, because the AML debugger may be still running. |
* |
******************************************************************************/ |
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void acpi_ut_subsystem_shutdown(void) |
{ |
ACPI_FUNCTION_TRACE(ut_subsystem_shutdown); |
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/* Just exit if subsystem is already shutdown */ |
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if (acpi_gbl_shutdown) { |
ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated")); |
return_VOID; |
} |
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/* Subsystem appears active, go ahead and shut it down */ |
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acpi_gbl_shutdown = TRUE; |
acpi_gbl_startup_flags = 0; |
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n")); |
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#ifndef ACPI_ASL_COMPILER |
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/* Close the acpi_event Handling */ |
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acpi_ev_terminate(); |
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/* Delete any dynamic _OSI interfaces */ |
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acpi_ut_interface_terminate(); |
#endif |
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/* Close the Namespace */ |
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acpi_ns_terminate(); |
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/* Delete the ACPI tables */ |
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acpi_tb_terminate(); |
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/* Close the globals */ |
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acpi_ut_terminate(); |
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/* Purge the local caches */ |
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(void)acpi_ut_delete_caches(); |
return_VOID; |
} |