patch-2.4.6 linux/drivers/acpi/utilities/utglobal.c
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- Lines: 484
- Date:
Wed Jun 20 17:47:40 2001
- Orig file:
v2.4.5/linux/drivers/acpi/utilities/utglobal.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.4.5/linux/drivers/acpi/utilities/utglobal.c linux/drivers/acpi/utilities/utglobal.c
@@ -0,0 +1,483 @@
+/******************************************************************************
+ *
+ * Module Name: utglobal - Global variables for the ACPI subsystem
+ * $Revision: 123 $
+ *
+ *****************************************************************************/
+
+/*
+ * 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 ACPI_UTILITIES
+ MODULE_NAME ("utglobal")
+
+
+/******************************************************************************
+ *
+ * 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 = ACPI_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.
+ *
+ * NOTES:
+ * 1) _SB_ is defined to be a device to allow _SB_/_INI to be run
+ * during the initialization sequence.
+ */
+
+PREDEFINED_NAMES acpi_gbl_pre_defined_names[] =
+{ {"_GPE", INTERNAL_TYPE_DEF_ANY},
+ {"_PR_", INTERNAL_TYPE_DEF_ANY},
+ {"_SB_", ACPI_TYPE_DEVICE},
+ {"_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"},
+ {NULL, ACPI_TYPE_ANY} /* Table terminator */
+};
+
+
+/*
+ * 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 Desc */
+ NSP_NEWSCOPE | NSP_LOCAL, /* 25 Resource Field */
+ NSP_NORMAL, /* 26 Def_field_defn */
+ NSP_NORMAL, /* 27 Bank_field_defn */
+ NSP_NORMAL, /* 28 Index_field_defn */
+ NSP_NORMAL, /* 29 If */
+ NSP_NORMAL, /* 30 Else */
+ NSP_NORMAL, /* 31 While */
+ NSP_NEWSCOPE, /* 32 Scope */
+ NSP_LOCAL, /* 33 Def_any */
+ NSP_NORMAL, /* 34 Extra */
+ NSP_NORMAL /* 35 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_ut_valid_object_type
+ *
+ * PARAMETERS: None.
+ *
+ * RETURN: TRUE if valid object type
+ *
+ * DESCRIPTION: Validate an object type
+ *
+ ****************************************************************************/
+
+u8
+acpi_ut_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_ut_format_exception
+ *
+ * PARAMETERS: Status - Acpi status to be formatted
+ *
+ * RETURN: Formatted status string
+ *
+ * DESCRIPTION: Convert an ACPI exception to a string
+ *
+ ****************************************************************************/
+
+NATIVE_CHAR *
+acpi_ut_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_ut_allocate_owner_id
+ *
+ * PARAMETERS: Id_type - Type of ID (method or table)
+ *
+ * DESCRIPTION: Allocate a table or method owner id
+ *
+ ***************************************************************************/
+
+ACPI_OWNER_ID
+acpi_ut_allocate_owner_id (
+ u32 id_type)
+{
+ ACPI_OWNER_ID owner_id = 0xFFFF;
+
+
+ acpi_ut_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_ut_release_mutex (ACPI_MTX_CACHES);
+
+ return (owner_id);
+}
+
+
+/****************************************************************************
+ *
+ * FUNCTION: Acpi_ut_init_globals
+ *
+ * PARAMETERS: none
+ *
+ * DESCRIPTION: Init library globals. All globals that require specific
+ * initialization should be initialized here!
+ *
+ ***************************************************************************/
+
+void
+acpi_ut_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].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
+ 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_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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