text: /******************************************************************************
   *
   * Module Name: utinit - Common ACPI subsystem initialization
   *
   *****************************************************************************/
  
  /*
   * Copyright (C) 2000 - 2004, R. Byron Moore
   * 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.
   */
  
  
  #include <acpi/acpi.h>
  #include <acpi/acnamesp.h>
  #include <acpi/acevents.h>
  
  #define _COMPONENT          ACPI_UTILITIES
  	 ACPI_MODULE_NAME    ("utinit")
  
  
  /*******************************************************************************
   *
   * FUNCTION:    acpi_ut_fadt_register_error
   *
   * PARAMETERS:  *register_name          - Pointer to string identifying register
   *              Value                   - Actual register contents value
   *              acpi_test_spec_section  - TDS section containing assertion
   *              acpi_assertion          - Assertion number being tested
   *
   * RETURN:      AE_BAD_VALUE
   *
   * DESCRIPTION: Display failure message and link failure to TDS assertion
   *
   ******************************************************************************/
  
  static void
  acpi_ut_fadt_register_error (
  	char                            *register_name,
  	u32                             value,
  	acpi_size                       offset)
  {
  
  	ACPI_REPORT_WARNING (
  		("Invalid FADT value %s=%X at offset %X FADT=%p\n",
  		register_name, value, (u32) offset, acpi_gbl_FADT));
  }
  
  
  /******************************************************************************
   *
   * FUNCTION:    acpi_ut_validate_fadt
   *
   * PARAMETERS:  None
   *
   * RETURN:      Status
   *
   * DESCRIPTION: Validate various ACPI registers in the FADT
   *
   ******************************************************************************/
  
  acpi_status
  acpi_ut_validate_fadt (
  	void)
  {
  
  	/*
  	 * Verify Fixed ACPI Description Table fields,
  	 * but don't abort on any problems, just display error
  	 */
  	if (acpi_gbl_FADT->pm1_evt_len < 4) {
  		acpi_ut_fadt_register_error ("PM1_EVT_LEN",
  				  (u32) acpi_gbl_FADT->pm1_evt_len,
  				  ACPI_FADT_OFFSET (pm1_evt_len));
  	}
  
  	if (!acpi_gbl_FADT->pm1_cnt_len) {
  		acpi_ut_fadt_register_error ("PM1_CNT_LEN", 0,
  				  ACPI_FADT_OFFSET (pm1_cnt_len));
  	}
  
  	if (!acpi_gbl_FADT->xpm1a_evt_blk.address) {
  		acpi_ut_fadt_register_error ("X_PM1a_EVT_BLK", 0,
  				  ACPI_FADT_OFFSET (xpm1a_evt_blk.address));
  	}
  
  	if (!acpi_gbl_FADT->xpm1a_cnt_blk.address) {
  		acpi_ut_fadt_register_error ("X_PM1a_CNT_BLK", 0,
  				  ACPI_FADT_OFFSET (xpm1a_cnt_blk.address));
  	}
  
  	if (!acpi_gbl_FADT->xpm_tmr_blk.address) {
  		acpi_ut_fadt_register_error ("X_PM_TMR_BLK", 0,
  				  ACPI_FADT_OFFSET (xpm_tmr_blk.address));
  	}
  
  	if ((acpi_gbl_FADT->xpm2_cnt_blk.address &&
  		!acpi_gbl_FADT->pm2_cnt_len)) {
  		acpi_ut_fadt_register_error ("PM2_CNT_LEN",
  				  (u32) acpi_gbl_FADT->pm2_cnt_len,
  				  ACPI_FADT_OFFSET (pm2_cnt_len));
  	}
  
  	if (acpi_gbl_FADT->pm_tm_len < 4) {
  		acpi_ut_fadt_register_error ("PM_TM_LEN",
  				  (u32) acpi_gbl_FADT->pm_tm_len,
  				  ACPI_FADT_OFFSET (pm_tm_len));
  	}
  
  	/* Length of GPE blocks must be a multiple of 2 */
  
  	if (acpi_gbl_FADT->xgpe0_blk.address &&
  		(acpi_gbl_FADT->gpe0_blk_len & 1)) {
  		acpi_ut_fadt_register_error ("(x)GPE0_BLK_LEN",
  				  (u32) acpi_gbl_FADT->gpe0_blk_len,
  				  ACPI_FADT_OFFSET (gpe0_blk_len));
  	}
  
  	if (acpi_gbl_FADT->xgpe1_blk.address &&
  		(acpi_gbl_FADT->gpe1_blk_len & 1)) {
  		acpi_ut_fadt_register_error ("(x)GPE1_BLK_LEN",
  				  (u32) acpi_gbl_FADT->gpe1_blk_len,
  				  ACPI_FADT_OFFSET (gpe1_blk_len));
  	}
  
  	return (AE_OK);
  }
  
  
  /******************************************************************************
   *
   * FUNCTION:    acpi_ut_terminate
   *
   * PARAMETERS:  none
   *
   * RETURN:      none
   *
   * DESCRIPTION: free global memory
   *
   ******************************************************************************/
  
  void
  acpi_ut_terminate (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;
  
  
  	ACPI_FUNCTION_TRACE ("ut_terminate");
  
  
  	/* Free global tables, etc. */
  
  
  	/* Free global GPE blocks and related info structures */
  
  	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_MEM_FREE (gpe_block->event_info);
  			ACPI_MEM_FREE (gpe_block->register_info);
  			ACPI_MEM_FREE (gpe_block);
  
  			gpe_block = next_gpe_block;
  		}
  		next_gpe_xrupt_info = gpe_xrupt_info->next;
  		ACPI_MEM_FREE (gpe_xrupt_info);
  		gpe_xrupt_info = next_gpe_xrupt_info;
  	}
  
  	return_VOID;
  }
  
  
  /*******************************************************************************
   *
   * FUNCTION:    acpi_ut_subsystem_shutdown
   *
   * PARAMETERS:  none
   *
   * RETURN:      none
   *
   * DESCRIPTION: Shutdown the various subsystems.  Don't delete the mutex
   *              objects here -- because the AML debugger may be still running.
   *
   ******************************************************************************/
  
  void
  acpi_ut_subsystem_shutdown (void)
  {
  
  	ACPI_FUNCTION_TRACE ("ut_subsystem_shutdown");
  
  	/* Just exit if subsystem is already shutdown */
  
  	if (acpi_gbl_shutdown) {
  		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "ACPI Subsystem is already terminated\n"));
  		return_VOID;
  	}
  
  	/* Subsystem appears active, go ahead and shut it down */
  
  	acpi_gbl_shutdown = TRUE;
  	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Shutting down ACPI Subsystem...\n"));
  
  	/* Close the acpi_event Handling */
  
  	acpi_ev_terminate ();
  
  	/* Close the Namespace */
  
  	acpi_ns_terminate ();
  
  	/* Close the globals */
  
  	acpi_ut_terminate ();
  
  	/* Purge the local caches */
  
  	(void) acpi_purge_cached_objects ();
  
  	/* Debug only - display leftover memory allocation, if any */
  
  #ifdef ACPI_DBG_TRACK_ALLOCATIONS
  	acpi_ut_dump_allocations (ACPI_UINT32_MAX, NULL);
  #endif
  
  	return_VOID;
  }
  
  
  