patch-2.4.0-test3 linux/drivers/acpi/common/cmglobal.c

• Lines: 442
• Date: Wed Jul 5 11:23:12 2000
• Orig file: v2.4.0-test2/linux/drivers/acpi/common/cmglobal.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test2/linux/drivers/acpi/common/cmglobal.c linux/drivers/acpi/common/cmglobal.c
@@ -0,0 +1,441 @@
+
+/******************************************************************************
+ *
+ * Module Name: cmglobal - Global variables for the ACPI subsystem
+ *
+ *****************************************************************************/
+
+/*
+ *  Copyright (C) 2000 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 "events.h"
+#include "namesp.h"
+#include "interp.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 = ALL_COMPONENTS;
+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;
+
+
+/******************************************************************************
+ *
+ * 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_NUMBER, "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 reserved         */
+	NSP_NORMAL,                 /* 17 reserved         */
+	NSP_NORMAL,                 /* 18 reserved         */
+	NSP_NORMAL,                 /* 19 reserved         */
+	NSP_NORMAL,                 /* 20 reserved         */
+	NSP_NORMAL,                 /* 21 reserved         */
+	NSP_NORMAL,                 /* 22 reserved         */
+	NSP_NORMAL,                 /* 23 reserved         */
+	NSP_NORMAL,                 /* 24 reserved         */
+	NSP_NORMAL,                 /* 25 Def_field        */
+	NSP_NORMAL,                 /* 26 Bank_field       */
+	NSP_NORMAL,                 /* 27 Index_field      */
+	NSP_NORMAL,                 /* 28 Def_field_defn   */
+	NSP_NORMAL,                 /* 29 Bank_field_defn  */
+	NSP_NORMAL,                 /* 30 Index_field_defn */
+	NSP_NORMAL,                 /* 31 If               */
+	NSP_NORMAL,                 /* 32 Else             */
+	NSP_NORMAL,                 /* 33 While            */
+	NSP_NEWSCOPE,               /* 34 Scope            */
+	NSP_LOCAL,                  /* 35 Def_any          */
+	NSP_NORMAL,                 /* 36 Reference        */
+	NSP_NORMAL,                 /* 37 Alias            */
+	NSP_NORMAL,                 /* 38 Notify           */
+	NSP_NORMAL,                 /* 39 Address Handler  */
+	NSP_NORMAL                  /* 40 Invalid          */
+};
+
+
+/******************************************************************************
+ *
+ * Table globals
+ *
+ ******************************************************************************/
+
+
+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",   RSDP_SIG, sizeof (RSDP_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      NULL},
+	/* APIC 1 */ {APIC_SIG, APIC_SIG, sizeof (APIC_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      (void **) &acpi_gbl_APIC},
+	/* DSDT 2 */ {DSDT_SIG, DSDT_SIG, sizeof (DSDT_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      (void **) &acpi_gbl_DSDT},
+	/* FACP 3 */ {FACP_SIG, FACP_SIG, sizeof (FACP_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      (void **) &acpi_gbl_FACP},
+	/* FACS 4 */ {FACS_SIG, FACS_SIG, sizeof (FACS_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      (void **) &acpi_gbl_FACS},
+	/* PSDT 5 */ {PSDT_SIG, PSDT_SIG, sizeof (PSDT_SIG)-1, ACPI_TABLE_MULTIPLE, AE_OK,      NULL},
+	/* RSDT 6 */ {RSDT_SIG, RSDT_SIG, sizeof (RSDT_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      NULL},
+	/* SSDT 7 */ {SSDT_SIG, SSDT_SIG, sizeof (SSDT_SIG)-1, ACPI_TABLE_MULTIPLE, AE_OK,      NULL},
+	/* SBST 8 */ {SBST_SIG, SBST_SIG, sizeof (SBST_SIG)-1, ACPI_TABLE_SINGLE,   AE_OK,      (void **) &acpi_gbl_SBST},
+	/* BOOT 9 */ {BOOT_SIG, BOOT_SIG, sizeof (BOOT_SIG)-1, ACPI_TABLE_SINGLE,   AE_SUPPORT, NULL}
+};
+
+ACPI_INIT_DATA acpi_gbl_acpi_init_data;
+
+
+/*****************************************************************************
+ *
+ * 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
+ *
+ ****************************************************************************/
+
+char *
+acpi_cm_format_exception (
+	ACPI_STATUS             status)
+{
+
+	if (status > ACPI_MAX_STATUS) {
+		return "UNKNOWN_STATUS";
+	}
+
+	return (acpi_gbl_exception_names [status]);
+}
+
+
+/****************************************************************************
+ *
+ * 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 (ACPI_INIT_DATA *init_data)
+{
+	u32                     i;
+
+
+	if (init_data) {
+		MEMCPY (&acpi_gbl_acpi_init_data, init_data, sizeof (ACPI_INIT_DATA));
+	}
+
+	else {
+		MEMSET (&acpi_gbl_acpi_init_data, 0, sizeof (ACPI_INIT_DATA));
+	}
+
+	/* ACPI table structure */
+
+	for (i = 0; i < ACPI_TABLE_MAX; 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_MAX_ADDRESS_SPACE; 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_RSDT                       = NULL;
+	acpi_gbl_FACS                       = NULL;
+	acpi_gbl_FACP                       = NULL;
+	acpi_gbl_APIC                       = NULL;
+	acpi_gbl_DSDT                       = NULL;
+	acpi_gbl_SBST                       = 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_when_to_parse_methods      = METHOD_PARSE_CONFIGURATION;
+	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_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;
+
+	/* Interpreter */
+
+	acpi_gbl_buf_seq                    = 0;
+	acpi_gbl_named_object_err           = FALSE;
+
+	/* Parser */
+
+	acpi_gbl_parsed_namespace_root      = NULL;
+
+	/* 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_name_table.next_table = NULL;
+	acpi_gbl_root_name_table.parent_entry = NULL;
+	acpi_gbl_root_name_table.parent_table = NULL;
+
+	acpi_gbl_root_object                = acpi_gbl_root_name_table.entries;
+
+	acpi_gbl_root_object->name          = ACPI_ROOT_NAME;
+	acpi_gbl_root_object->data_type     = ACPI_DESC_TYPE_NAMED;
+	acpi_gbl_root_object->type          = ACPI_TYPE_ANY;
+	acpi_gbl_root_object->this_index    = 0;
+	acpi_gbl_root_object->child_table   = NULL;
+	acpi_gbl_root_object->object        = NULL;
+
+	/* Memory allocation metrics - compiled out in non-debug mode. */
+
+	INITIALIZE_ALLOCATION_METRICS();
+
+	return;
+}
+
+