view src/nucleus/mb_extr.h @ 223:740a8e8fc9d7

startup sync logic rework for the new PWON button boot scheme Previously we added logic to the MMI task to hold off PEI init until R2D is running, and then extended that condition to wait for FCHG init too. However, the dependencies of MMI upon R2D and FCHG don't start until mmiInit(), and that call is driven by Switch_ON() code, hence the wait for R2D and FCHG init can be made in that code path instead of the MMI task. Furthermore, with our new way of signaling PWON button boot to MMI, we need a new wait to ensure that the MMI task is up - previously this assurance was provided by the wait for Kp pointers to be set. Solution: revert our previous PEI init hold-off additions to MMI, add a new flag indicating MMI task init done, and put the combined wait for all needed conditions into our new PWON button boot code in power.c.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 27 Apr 2021 06:24:52 +0000
parents 4e78acac3d88
children
line wrap: on
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/*************************************************************************/
/*                                                                       */
/*               Copyright Mentor Graphics Corporation 2002              */
/*                         All Rights Reserved.                          */
/*                                                                       */
/* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS  */
/* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS   */
/* SUBJECT TO LICENSE TERMS.                                             */
/*                                                                       */
/*************************************************************************/

/*************************************************************************/
/*                                                                       */
/* FILE NAME                                               VERSION       */
/*                                                                       */
/*      mb_extr.h                                      Nucleus PLUS 1.14 */
/*                                                                       */
/* COMPONENT                                                             */
/*                                                                       */
/*      MB - Mailbox Management                                          */
/*                                                                       */
/* DESCRIPTION                                                           */
/*                                                                       */
/*      This file contains function prototypes of all functions          */
/*      accessible to other components.                                  */
/*                                                                       */
/* DATA STRUCTURES                                                       */
/*                                                                       */
/*      None                                                             */
/*                                                                       */
/* FUNCTIONS                                                             */
/*                                                                       */
/*      None                                                             */
/*                                                                       */
/* DEPENDENCIES                                                          */
/*                                                                       */
/*      mb_defs.h                           Mailbox Management constants */
/*                                                                       */
/* HISTORY                                                               */
/*                                                                       */
/*        DATE                    REMARKS                                */
/*                                                                       */
/*      03-01-1993      Created initial version 1.0                      */
/*      04-19-1993      Verified version 1.0                             */
/*      03-01-1994      Moved include files outside of                   */
/*                      the file #ifndef to allow the                    */
/*                      use of actual data structures,                   */
/*                      changed the names of several                     */
/*                      mailboxes services to reflect                    */
/*                      the new file structure,                          */
/*                      modified function interface to                   */
/*                      exactly match the prototype,                     */
/*                      resulting in version 1.1                         */
/*                                                                       */
/*      03-18-1994      Verified version 1.1                             */
/*      04-17-1996      updated to version 1.2                           */
/*      03-24-1998      Released version 1.3                             */
/*      03-26-1999      Released 1.11m (new release                      */
/*                        numbering scheme)                              */
/*      04-17-2002      Released version 1.13m                           */
/*      11-07-2002      Released version 1.14                            */
/*************************************************************************/

#include        "mb_defs.h"                 /* Include MB constants      */


/* Check to see if the file has been included already.  */

#ifndef MB_EXTR
#define MB_EXTR


/*  Initialization functions.  */

VOID            MBI_Initialize(VOID);


/* Core error checking functions.  */

STATUS          MBCE_Create_Mailbox(NU_MAILBOX *mailbox_ptr, CHAR *name, 
                                                OPTION suspend_type);
STATUS          MBCE_Delete_Mailbox(NU_MAILBOX *mailbox_ptr);
STATUS          MBCE_Send_To_Mailbox(NU_MAILBOX *mailbox_ptr, VOID *message, 
                                                        UNSIGNED suspend);
STATUS          MBCE_Receive_From_Mailbox(NU_MAILBOX *mailbox_ptr, 
                                        VOID *message, UNSIGNED suspend);

/* Supplemental error checking functions.  */

STATUS          MBSE_Reset_Mailbox(NU_MAILBOX *mailbox_ptr);
STATUS          MBSE_Broadcast_To_Mailbox(NU_MAILBOX *mailbox_ptr, 
                                        VOID *message, UNSIGNED suspend);

/* Core processing functions.  */

STATUS          MBC_Create_Mailbox(NU_MAILBOX *mailbox_ptr, CHAR *name, 
                                                OPTION suspend_type);
STATUS          MBC_Delete_Mailbox(NU_MAILBOX *mailbox_ptr);
STATUS          MBC_Send_To_Mailbox(NU_MAILBOX *mailbox_ptr, VOID *message, 
                                                        UNSIGNED suspend);
STATUS          MBC_Receive_From_Mailbox(NU_MAILBOX *mailbox_ptr, 
                                        VOID *message, UNSIGNED suspend);

/* Supplemental mailbox functions.  */

STATUS          MBS_Reset_Mailbox(NU_MAILBOX *mailbox_ptr);
STATUS          MBS_Broadcast_To_Mailbox(NU_MAILBOX *mailbox_ptr, 
                                        VOID *message, UNSIGNED suspend);

/* Mailbox fact retrieval functions.  */

UNSIGNED        MBF_Established_Mailboxes(VOID);
STATUS          MBF_Mailbox_Information(NU_MAILBOX *mailbox_ptr, CHAR *name, 
                  OPTION *suspend_type, DATA_ELEMENT *message_present,
                  UNSIGNED *tasks_waiting, NU_TASK **first_task);
UNSIGNED        MBF_Mailbox_Pointers(NU_MAILBOX **pointer_list, 
                                                UNSIGNED maximum_pointers);

#endif