diff src/nucleus/mbi.c @ 0:92470e5d0b9e

src: partial import from FC Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 15 May 2020 01:28:16 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/nucleus/mbi.c	Fri May 15 01:28:16 2020 +0000
@@ -0,0 +1,125 @@
+/*************************************************************************/
+/*                                                                       */
+/*               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       */
+/*                                                                       */
+/*      mbi.c                                          Nucleus PLUS 1.14 */
+/*                                                                       */
+/* COMPONENT                                                             */
+/*                                                                       */
+/*      MB - Mailbox Management                                          */
+/*                                                                       */
+/* DESCRIPTION                                                           */
+/*                                                                       */
+/*      This file contains the initialization routine for the mailbox    */
+/*      management component.                                            */
+/*                                                                       */
+/* DATA STRUCTURES                                                       */
+/*                                                                       */
+/*      None                                                             */
+/*                                                                       */
+/* FUNCTIONS                                                             */
+/*                                                                       */
+/*      MBI_Initialize                      Mailbox Management Initialize*/
+/*                                                                       */
+/* DEPENDENCIES                                                          */
+/*                                                                       */
+/*      mb_defs.h                           Mailbox component constants  */
+/*                                                                       */
+/* HISTORY                                                               */
+/*                                                                       */
+/*        DATE                    REMARKS                                */
+/*                                                                       */
+/*      03-01-1993      Created initial version 1.0                      */
+/*      04-19-1993      Verified version 1.0                             */
+/*      03-01-1994      Update file copyright informaion,                */
+/*                      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                            */
+/*************************************************************************/
+#define         NU_SOURCE_FILE
+
+
+#include        "mb_defs.h"                 /* Mailbox constants         */
+#include        "mb_extr.h"                 /* Mailbox interfaces        */
+
+
+/* Define external inner-component global data references.  */
+
+extern CS_NODE         *MBD_Created_Mailboxes_List;
+extern UNSIGNED         MBD_Total_Mailboxes;
+extern TC_PROTECT       MBD_List_Protect;
+
+
+/*************************************************************************/
+/*                                                                       */
+/* FUNCTION                                                              */
+/*                                                                       */
+/*      MBI_Initialize                                                   */
+/*                                                                       */
+/* DESCRIPTION                                                           */
+/*                                                                       */
+/*      This function initializes the data structures that control the   */
+/*      operation of the Mailbox component (MB).  There are no mailboxes */
+/*      initially.  This routine must be called from Supervisor mode in  */
+/*      Supervisor/User mode switched kernels.                           */
+/*                                                                       */
+/* CALLED BY                                                             */
+/*                                                                       */
+/*      INC_Initialize                      System initialization        */
+/*                                                                       */
+/* CALLS                                                                 */
+/*                                                                       */
+/*      None                                                             */
+/*                                                                       */
+/* INPUTS                                                                */
+/*                                                                       */
+/*      None                                                             */
+/*                                                                       */
+/* OUTPUTS                                                               */
+/*                                                                       */
+/*      MBD_Created_Mailboxes_List          List of created mailboxes    */
+/*      MBD_Total_Mailboxes                 Number of created mailboxes  */
+/*      MBD_List_Protect                    Protection for mailbox list  */
+/*                                                                       */
+/* HISTORY                                                               */
+/*                                                                       */
+/*        DATE                    REMARKS                                */
+/*                                                                       */
+/*      03-01-1993      Created initial version 1.0                      */
+/*      04-19-1993      Verified version 1.0                             */
+/*                                                                       */
+/*************************************************************************/
+VOID  MBI_Initialize(VOID)
+{
+    /* Initialize the created mailbox list to NU_NULL.  */
+    MBD_Created_Mailboxes_List =  NU_NULL;
+
+    /* Initialize the total number of created mailboxes to 0.  */
+    MBD_Total_Mailboxes =  0;
+
+    /* Initialize the list protection structure.  */
+    MBD_List_Protect.tc_tcb_pointer =      NU_NULL;
+}
+
+
+
+
+
+