patch-2.4.6 linux/drivers/acpi/common/cmglobal.c
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- Lines: 473
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.4.5/linux/drivers/acpi/common/cmglobal.c
- Orig date:
Mon Jan 22 13:23:42 2001
diff -u --recursive --new-file v2.4.5/linux/drivers/acpi/common/cmglobal.c linux/drivers/acpi/common/cmglobal.c
@@ -1,472 +0,0 @@
-/******************************************************************************
- *
- * Module Name: cmglobal - Global variables for the ACPI subsystem
- * $Revision: 116 $
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000, 2001 R. Byron Moore
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#define DEFINE_ACPI_GLOBALS
-
-#include "acpi.h"
-#include "acevents.h"
-#include "acnamesp.h"
-#include "acinterp.h"
-#include "amlcode.h"
-
-
-#define _COMPONENT MISCELLANEOUS
- MODULE_NAME ("cmglobal")
-
-
-/******************************************************************************
- *
- * Static global variable initialization.
- *
- ******************************************************************************/
-
-/*
- * We want the debug switches statically initialized so they
- * are already set when the debugger is entered.
- */
-
-/* Debug switch - level and trace mask */
-
-u32 acpi_dbg_level = NORMAL_DEFAULT;
-
-/* Debug switch - layer (component) mask */
-
-u32 acpi_dbg_layer = COMPONENT_DEFAULT;
-u32 acpi_gbl_nesting_level = 0;
-
-
-/* Debugger globals */
-
-u8 acpi_gbl_db_terminate_threads = FALSE;
-u8 acpi_gbl_method_executing = FALSE;
-
-/* System flags */
-
-u32 acpi_gbl_system_flags = 0;
-u32 acpi_gbl_startup_flags = 0;
-
-/* System starts unitialized! */
-u8 acpi_gbl_shutdown = TRUE;
-
-
-u8 acpi_gbl_decode_to8bit [8] = {1,2,4,8,16,32,64,128};
-
-
-/******************************************************************************
- *
- * Namespace globals
- *
- ******************************************************************************/
-
-
-/*
- * Names built-in to the interpreter
- *
- * Initial values are currently supported only for types String and Number.
- * To avoid type punning, both are specified as strings in this table.
- */
-
-PREDEFINED_NAMES acpi_gbl_pre_defined_names[] =
-{
- {"_GPE", INTERNAL_TYPE_DEF_ANY},
- {"_PR_", INTERNAL_TYPE_DEF_ANY},
- {"_SB_", INTERNAL_TYPE_DEF_ANY},
- {"_SI_", INTERNAL_TYPE_DEF_ANY},
- {"_TZ_", INTERNAL_TYPE_DEF_ANY},
- {"_REV", ACPI_TYPE_INTEGER, "2"},
- {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
- {"_GL_", ACPI_TYPE_MUTEX, "0"},
-
- /* Table terminator */
-
- {NULL, ACPI_TYPE_ANY}
-};
-
-
-/*
- * Properties of the ACPI Object Types, both internal and external.
- *
- * Elements of Acpi_ns_properties are bit significant
- * and the table is indexed by values of ACPI_OBJECT_TYPE
- */
-
-u8 acpi_gbl_ns_properties[] =
-{
- NSP_NORMAL, /* 00 Any */
- NSP_NORMAL, /* 01 Number */
- NSP_NORMAL, /* 02 String */
- NSP_NORMAL, /* 03 Buffer */
- NSP_LOCAL, /* 04 Package */
- NSP_NORMAL, /* 05 Field_unit */
- NSP_NEWSCOPE | NSP_LOCAL, /* 06 Device */
- NSP_LOCAL, /* 07 Acpi_event */
- NSP_NEWSCOPE | NSP_LOCAL, /* 08 Method */
- NSP_LOCAL, /* 09 Mutex */
- NSP_LOCAL, /* 10 Region */
- NSP_NEWSCOPE | NSP_LOCAL, /* 11 Power */
- NSP_NEWSCOPE | NSP_LOCAL, /* 12 Processor */
- NSP_NEWSCOPE | NSP_LOCAL, /* 13 Thermal */
- NSP_NORMAL, /* 14 Buffer_field */
- NSP_NORMAL, /* 15 Ddb_handle */
- NSP_NORMAL, /* 16 Debug Object */
- NSP_NORMAL, /* 17 Def_field */
- NSP_NORMAL, /* 18 Bank_field */
- NSP_NORMAL, /* 19 Index_field */
- NSP_NORMAL, /* 20 Reference */
- NSP_NORMAL, /* 21 Alias */
- NSP_NORMAL, /* 22 Notify */
- NSP_NORMAL, /* 23 Address Handler */
- NSP_NEWSCOPE | NSP_LOCAL, /* 24 Resource */
- NSP_NORMAL, /* 25 Def_field_defn */
- NSP_NORMAL, /* 26 Bank_field_defn */
- NSP_NORMAL, /* 27 Index_field_defn */
- NSP_NORMAL, /* 28 If */
- NSP_NORMAL, /* 29 Else */
- NSP_NORMAL, /* 30 While */
- NSP_NEWSCOPE, /* 31 Scope */
- NSP_LOCAL, /* 32 Def_any */
- NSP_NORMAL, /* 33 Extra */
- NSP_NORMAL /* 34 Invalid */
-};
-
-
-/* Hex to ASCII conversion table */
-
-NATIVE_CHAR acpi_gbl_hex_to_ascii[] =
- {'0','1','2','3','4','5','6','7',
- '8','9','A','B','C','D','E','F'};
-
-
-/******************************************************************************
- *
- * Table globals
- *
- * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes.
- * it is NOT an exhaustive list of all possible ACPI tables. All ACPI tables
- * that are not used by the subsystem are simply ignored.
- *
- ******************************************************************************/
-
-
-ACPI_TABLE_DESC acpi_gbl_acpi_tables[NUM_ACPI_TABLES];
-
-
-ACPI_TABLE_SUPPORT acpi_gbl_acpi_table_data[NUM_ACPI_TABLES] =
-{
- /*********** Name, Signature, Signature size, How many allowed?, Supported? Global typed pointer */
-
- /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, sizeof (RSDP_SIG)-1, ACPI_TABLE_SINGLE, AE_OK, NULL},
- /* DSDT 1 */ {DSDT_SIG, DSDT_SIG, sizeof (DSDT_SIG)-1, ACPI_TABLE_SINGLE, AE_OK, (void **) &acpi_gbl_DSDT},
- /* FADT 2 */ {FADT_SIG, FADT_SIG, sizeof (FADT_SIG)-1, ACPI_TABLE_SINGLE, AE_OK, (void **) &acpi_gbl_FADT},
- /* FACS 3 */ {FACS_SIG, FACS_SIG, sizeof (FACS_SIG)-1, ACPI_TABLE_SINGLE, AE_OK, (void **) &acpi_gbl_FACS},
- /* PSDT 4 */ {PSDT_SIG, PSDT_SIG, sizeof (PSDT_SIG)-1, ACPI_TABLE_MULTIPLE, AE_OK, NULL},
- /* SSDT 5 */ {SSDT_SIG, SSDT_SIG, sizeof (SSDT_SIG)-1, ACPI_TABLE_MULTIPLE, AE_OK, NULL},
- /* XSDT 6 */ {XSDT_SIG, XSDT_SIG, sizeof (RSDT_SIG)-1, ACPI_TABLE_SINGLE, AE_OK, NULL},
-};
-
-
-/*****************************************************************************
- *
- * FUNCTION: Acpi_cm_valid_object_type
- *
- * PARAMETERS: None.
- *
- * RETURN: TRUE if valid object type
- *
- * DESCRIPTION: Validate an object type
- *
- ****************************************************************************/
-
-u8
-acpi_cm_valid_object_type (
- u32 type)
-{
-
- if (type > ACPI_TYPE_MAX) {
- if ((type < INTERNAL_TYPE_BEGIN) ||
- (type > INTERNAL_TYPE_MAX))
- {
- return (FALSE);
- }
- }
-
- return (TRUE);
-}
-
-
-/*****************************************************************************
- *
- * FUNCTION: Acpi_cm_format_exception
- *
- * PARAMETERS: Status - Acpi status to be formatted
- *
- * RETURN: Formatted status string
- *
- * DESCRIPTION: Convert an ACPI exception to a string
- *
- ****************************************************************************/
-
-NATIVE_CHAR *
-acpi_cm_format_exception (
- ACPI_STATUS status)
-{
- NATIVE_CHAR *exception = "UNKNOWN_STATUS";
- ACPI_STATUS sub_status;
-
-
- sub_status = (status & ~AE_CODE_MASK);
-
-
- switch (status & AE_CODE_MASK)
- {
- case AE_CODE_ENVIRONMENTAL:
-
- if (sub_status <= AE_CODE_ENV_MAX) {
- exception = acpi_gbl_exception_names_env [sub_status];
- }
- break;
-
- case AE_CODE_PROGRAMMER:
-
- if (sub_status <= AE_CODE_PGM_MAX) {
- exception = acpi_gbl_exception_names_pgm [sub_status -1];
- }
- break;
-
- case AE_CODE_ACPI_TABLES:
-
- if (sub_status <= AE_CODE_TBL_MAX) {
- exception = acpi_gbl_exception_names_tbl [sub_status -1];
- }
- break;
-
- case AE_CODE_AML:
-
- if (sub_status <= AE_CODE_AML_MAX) {
- exception = acpi_gbl_exception_names_aml [sub_status -1];
- }
- break;
-
- case AE_CODE_CONTROL:
-
- if (sub_status <= AE_CODE_CTRL_MAX) {
- exception = acpi_gbl_exception_names_ctrl [sub_status -1];
- }
- break;
-
- default:
- break;
- }
-
-
- return (exception);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION: Acpi_cm_allocate_owner_id
- *
- * PARAMETERS: Id_type - Type of ID (method or table)
- *
- * DESCRIPTION: Allocate a table or method owner id
- *
- ***************************************************************************/
-
-ACPI_OWNER_ID
-acpi_cm_allocate_owner_id (
- u32 id_type)
-{
- ACPI_OWNER_ID owner_id = 0xFFFF;
-
-
- acpi_cm_acquire_mutex (ACPI_MTX_CACHES);
-
- switch (id_type)
- {
- case OWNER_TYPE_TABLE:
-
- owner_id = acpi_gbl_next_table_owner_id;
- acpi_gbl_next_table_owner_id++;
-
- if (acpi_gbl_next_table_owner_id == FIRST_METHOD_ID) {
- acpi_gbl_next_table_owner_id = FIRST_TABLE_ID;
- }
- break;
-
-
- case OWNER_TYPE_METHOD:
-
- owner_id = acpi_gbl_next_method_owner_id;
- acpi_gbl_next_method_owner_id++;
-
- if (acpi_gbl_next_method_owner_id == FIRST_TABLE_ID) {
- acpi_gbl_next_method_owner_id = FIRST_METHOD_ID;
- }
- break;
- }
-
-
- acpi_cm_release_mutex (ACPI_MTX_CACHES);
-
- return (owner_id);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION: Acpi_cm_init_globals
- *
- * PARAMETERS: none
- *
- * DESCRIPTION: Init library globals. All globals that require specific
- * initialization should be initialized here!
- *
- ***************************************************************************/
-
-void
-acpi_cm_init_globals (
- void)
-{
- u32 i;
-
-
- /* ACPI table structure */
-
- for (i = 0; i < NUM_ACPI_TABLES; i++) {
- acpi_gbl_acpi_tables[i].prev = &acpi_gbl_acpi_tables[i];
- acpi_gbl_acpi_tables[i].next = &acpi_gbl_acpi_tables[i];
- acpi_gbl_acpi_tables[i].pointer = NULL;
- acpi_gbl_acpi_tables[i].length = 0;
- acpi_gbl_acpi_tables[i].allocation = ACPI_MEM_NOT_ALLOCATED;
- acpi_gbl_acpi_tables[i].count = 0;
- }
-
-
- /* Address Space handler array */
-
- for (i = 0; i < ACPI_NUM_ADDRESS_SPACES; i++) {
- acpi_gbl_address_spaces[i].handler = NULL;
- acpi_gbl_address_spaces[i].context = NULL;
- }
-
- /* Mutex locked flags */
-
- for (i = 0; i < NUM_MTX; i++) {
- acpi_gbl_acpi_mutex_info[i].mutex = NULL;
- acpi_gbl_acpi_mutex_info[i].locked = FALSE;
- acpi_gbl_acpi_mutex_info[i].use_count = 0;
- }
-
- /* Global notify handlers */
-
- acpi_gbl_sys_notify.handler = NULL;
- acpi_gbl_drv_notify.handler = NULL;
-
- /* Global "typed" ACPI table pointers */
-
- acpi_gbl_RSDP = NULL;
- acpi_gbl_XSDT = NULL;
- acpi_gbl_FACS = NULL;
- acpi_gbl_FADT = NULL;
- acpi_gbl_DSDT = NULL;
-
-
- /* Global Lock support */
-
- acpi_gbl_global_lock_acquired = FALSE;
- acpi_gbl_global_lock_thread_count = 0;
-
- /* Miscellaneous variables */
-
- acpi_gbl_system_flags = 0;
- acpi_gbl_startup_flags = 0;
- acpi_gbl_global_lock_set = FALSE;
- acpi_gbl_rsdp_original_location = 0;
- acpi_gbl_cm_single_step = FALSE;
- acpi_gbl_db_terminate_threads = 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_next_table_owner_id = FIRST_TABLE_ID;
- acpi_gbl_next_method_owner_id = FIRST_METHOD_ID;
- acpi_gbl_debugger_configuration = DEBUGGER_THREADING;
-
- /* Cache of small "state" objects */
-
- acpi_gbl_generic_state_cache = NULL;
- acpi_gbl_generic_state_cache_depth = 0;
- acpi_gbl_state_cache_requests = 0;
- acpi_gbl_state_cache_hits = 0;
-
- acpi_gbl_parse_cache = NULL;
- acpi_gbl_parse_cache_depth = 0;
- acpi_gbl_parse_cache_requests = 0;
- acpi_gbl_parse_cache_hits = 0;
-
- acpi_gbl_ext_parse_cache = NULL;
- acpi_gbl_ext_parse_cache_depth = 0;
- acpi_gbl_ext_parse_cache_requests = 0;
- acpi_gbl_ext_parse_cache_hits = 0;
-
- acpi_gbl_object_cache = NULL;
- acpi_gbl_object_cache_depth = 0;
- acpi_gbl_object_cache_requests = 0;
- acpi_gbl_object_cache_hits = 0;
-
- acpi_gbl_walk_state_cache = NULL;
- acpi_gbl_walk_state_cache_depth = 0;
- acpi_gbl_walk_state_cache_requests = 0;
- acpi_gbl_walk_state_cache_hits = 0;
-
- /* Hardware oriented */
-
- acpi_gbl_gpe0enable_register_save = NULL;
- acpi_gbl_gpe1_enable_register_save = NULL;
- acpi_gbl_original_mode = SYS_MODE_UNKNOWN; /* original ACPI/legacy mode */
- acpi_gbl_gpe_registers = NULL;
- acpi_gbl_gpe_info = NULL;
-
- /* Namespace */
-
- acpi_gbl_root_node = NULL;
-
- acpi_gbl_root_node_struct.name = ACPI_ROOT_NAME;
- acpi_gbl_root_node_struct.data_type = ACPI_DESC_TYPE_NAMED;
- acpi_gbl_root_node_struct.type = ACPI_TYPE_ANY;
- acpi_gbl_root_node_struct.child = NULL;
- acpi_gbl_root_node_struct.peer = NULL;
- acpi_gbl_root_node_struct.object = NULL;
- acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST;
-
- /* Memory allocation metrics - compiled out in non-debug mode. */
-
- INITIALIZE_ALLOCATION_METRICS();
-
- return;
-}
-
-
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