FreeCalypso > hg > ffs-editor
diff src/nucleus/evi.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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| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/nucleus/evi.c Fri May 15 01:28:16 2020 +0000 @@ -0,0 +1,135 @@ +/*************************************************************************/ +/* */ +/* 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 */ +/* */ +/* evi.c Nucleus PLUS 1.14 */ +/* */ +/* COMPONENT */ +/* */ +/* EV - Event Group Management */ +/* */ +/* DESCRIPTION */ +/* */ +/* This file contains the initialization routine for the Event */ +/* Group Management component. */ +/* */ +/* DATA STRUCTURES */ +/* */ +/* None */ +/* */ +/* FUNCTIONS */ +/* */ +/* EVI_Initialize Event Group Management Init */ +/* */ +/* DEPENDENCIES */ +/* */ +/* ev_defs.h Event Group component const. */ +/* */ +/* HISTORY */ +/* */ +/* DATE REMARKS */ +/* */ +/* 03-01-1993 Created initial version 1.0 */ +/* 04-19-1993 Verified version 1.0 */ +/* 03-01-1994 Modified copyright, 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 "ev_defs.h" /* Event Group constants */ +#include "ev_extr.h" /* Event Group interfaces */ + + +/* Define external inner-component global data references. */ + +extern CS_NODE *EVD_Created_Event_Groups_List; +extern UNSIGNED EVD_Total_Event_Groups; +extern TC_PROTECT EVD_List_Protect; + + +/*************************************************************************/ +/* */ +/* FUNCTION */ +/* */ +/* EVI_Initialize */ +/* */ +/* DESCRIPTION */ +/* */ +/* This function initializes the data structures that control the */ +/* operation of the Event Group component (EV). There are no */ +/* event groups initially. This routine must be called from */ +/* Supervisor mode in Supervisor/User mode switching kernels. */ +/* */ +/* CALLED BY */ +/* */ +/* INC_Initialize System initialization */ +/* */ +/* CALLS */ +/* */ +/* None */ +/* */ +/* INPUTS */ +/* */ +/* None */ +/* */ +/* OUTPUTS */ +/* */ +/* EVD_Created_Event_Groups_List List of created event groups */ +/* EVD_Total_Event_Groups Number of created event */ +/* groups */ +/* EVD_List_Protect Protection for event group */ +/* list */ +/* */ +/* HISTORY */ +/* */ +/* DATE REMARKS */ +/* */ +/* 03-01-1993 Created initial version 1.0 */ +/* 04-19-1993 Verified version 1.0 */ +/* */ +/*************************************************************************/ +VOID EVI_Initialize(VOID) +{ +NU_SUPERV_USER_VARIABLES + + /* Switch to supervisor mode */ + NU_SUPERVISOR_MODE(); + + /* Initialize the created event group list to NU_NULL. */ + EVD_Created_Event_Groups_List = NU_NULL; + + /* Initialize the total number of created event groups to 0. */ + EVD_Total_Event_Groups = 0; + + /* Initialize the list protection structure. */ + EVD_List_Protect.tc_tcb_pointer = NU_NULL; + + /* Return to user mode */ + NU_USER_MODE(); +} + + + + + +