view src/nucleus/tmi.c @ 205:81f5c4ca1fb3

mmiDialogs.c: make dialog_info() static The function in question was first declared as static, then defined as non-static, which should be considered invalid C. Given that this function is not referenced from any other modules and appears to have been intended as static, make it so.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 06 Apr 2021 01:28:52 +0000
parents 4e78acac3d88
children
line wrap: on
line source

/*************************************************************************/
/*                                                                       */
/*               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       */
/*                                                                       */
/*      tmi.c                                          Nucleus PLUS 1.14 */
/*                                                                       */
/* COMPONENT                                                             */
/*                                                                       */
/*      TM - Timer Management                                            */
/*                                                                       */
/* DESCRIPTION                                                           */
/*                                                                       */
/*      This file contains the initialization routine for the timer      */
/*      management component.                                            */
/*                                                                       */
/* DATA STRUCTURES                                                       */
/*                                                                       */
/*      None                                                             */
/*                                                                       */
/* FUNCTIONS                                                             */
/*                                                                       */
/*      TMI_Initialize                      Timer Management Initialize  */
/*                                                                       */
/* DEPENDENCIES                                                          */
/*                                                                       */
/*      tc_extr.h                           Task function interfaces     */
/*      er_extr.h                           Error handling function      */
/*      tm_defs.h                           Timer component constants    */
/*                                                                       */
/* HISTORY                                                               */
/*                                                                       */
/*         DATE                    REMARKS                               */
/*                                                                       */
/*      03-01-1993      Created initial version 1.0                      */
/*      04-19-1993      Verified version 1.0                             */
/*      08-09-1993      Removed timer task creation,                     */
/*                        cleared the ID of the HISR                     */
/*                        control block, and casted the                  */
/*                        HISR priority, resulting in                    */
/*                        version 1.0a                                   */
/*      08-09-1993      Verified version 1.0a                            */
/*      03-01-1994      Changed names of HISR create                     */
/*                        function, removed reference to                 */
/*                        timer list protect since it                    */
/*                        was deleted, 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        "tc_extr.h"                 /* Task control functions    */
#include        "er_extr.h"                 /* Error handling function   */
#include        "tm_defs.h"                 /* Timer constants           */
#include        "tm_extr.h"                 /* Timer interfaces          */


/* Define external inner-component global data references.  */

extern CS_NODE        *TMD_Created_Timers_List;
extern UNSIGNED        TMD_Total_Timers;
extern TM_TCB         *TMD_Active_Timers_List;
extern INT             TMD_Active_List_Busy;
extern TC_PROTECT      TMD_Created_List_Protect;
extern UNSIGNED        TMD_System_Clock;
extern UNSIGNED        TMD_Timer;
extern INT             TMD_Timer_State;
extern UNSIGNED        TMD_Time_Slice;
extern TC_TCB         *TMD_Time_Slice_Task;
extern INT             TMD_Time_Slice_State;
extern TC_HCB          TMD_HISR;
extern VOID           *TMD_HISR_Stack_Ptr;
extern UNSIGNED        TMD_HISR_Stack_Size;
extern INT             TMD_HISR_Priority;


/* Define inner-component function prototypes.  */

VOID    TMC_Timer_HISR(VOID);


/*************************************************************************/
/*                                                                       */
/* FUNCTION                                                              */
/*                                                                       */
/*      TMI_Initialize                                                   */
/*                                                                       */
/* DESCRIPTION                                                           */
/*                                                                       */
/*      This function initializes the data structures that control the   */
/*      operation of the timer component (TM).  There are no application */
/*      timers created initially.  This routine must be called from      */
/*      Supervisor mode in Supervisor/User mode switching kernels.       */
/*                                                                       */
/* CALLED BY                                                             */
/*                                                                       */
/*      INC_Initialize                      System initialization        */
/*                                                                       */
/* CALLS                                                                 */
/*                                                                       */
/*      ERC_System_Error                    System error handing function*/
/*      TCC_Create_HISR                     Create timer HISR            */
/*      TCCE_Create_HISR                    Create timer HISR (error chk)*/
/*                                                                       */
/* INPUTS                                                                */
/*                                                                       */
/*      (Indirect)                                                       */
/*      TMD_HISR_Stack_Ptr                  Pointer to HISR stack area   */
/*      TMD_HISR_Stack_Size                 Size of HISR stack           */
/*      TMD_HISR_Priority                   Priority of timer HISR       */
/*                                                                       */
/* OUTPUTS                                                               */
/*                                                                       */
/*      TMD_Created_Timers_List             Pointer to the linked-list   */
/*                                            of created application     */
/*                                            timers                     */
/*      TMD_Total_Timers                    Total number of created      */
/*                                            application timers         */
/*      TMD_Active_Timers_List              Pointer to the linked-list   */
/*                                            of active timers.          */
/*      TMD_Active_List_Busy                Flag indicating that the     */
/*                                            active timer list is in use*/
/*      TMD_Created_List_Protect            Created timer list protect   */
/*                                            structure                  */
/*      TMD_System_Clock                    System clock                 */
/*      TMD_Timer                           Timer count-down value       */
/*      TMD_Timer_State                     State of timer               */
/*      TMD_Time_Slice                      Time slice count-down value  */
/*      TMD_Time_Slice_Task                 Pointer to task to time-slice*/
/*      TMD_Time_Slice_State                State of time slice          */
/*      TMD_HISR                            Timer HISR control block     */
/*                                                                       */
/* HISTORY                                                               */
/*                                                                       */
/*         DATE                    REMARKS                               */
/*                                                                       */
/*      03-01-1993      Created initial version 1.0                      */
/*      04-19-1993      Verified version 1.0                             */
/*      08-09-1993      Removed timer task creation,                     */
/*                        cleared the ID of the HISR                     */
/*                        control block, and casted the                  */
/*                        HISR priority, resulting in                    */
/*                        version 1.0a                                   */
/*      08-09-1993      Verified version 1.0a                            */
/*      03-01-1994      Modified HISR create function                    */
/*                        interface, removed reference                   */
/*                        to timer list protect since it                 */
/*                        was deleted, resulting in                      */
/*                        version 1.1                                    */
/*                                                                       */
/*      03-18-1994      Verified version 1.1                             */
/*                                                                       */
/*************************************************************************/
VOID  TMI_Initialize(VOID)
{

STATUS          status;                     /* Return status of creates */


    /* Initialize the created application timer's list to NU_NULL.  */
    TMD_Created_Timers_List =  NU_NULL;

    /* Initialize the total number of created application timers to 0.  */
    TMD_Total_Timers =  0;

    /* Initialize the active timer's list to NU_NULL.  */
    TMD_Active_Timers_List =  NU_NULL;

    /* Clear the active timer list busy flag.  */
    TMD_Active_List_Busy =  NU_FALSE;

    /* Initialize the system clock to 0.  */
    TMD_System_Clock =  0;

    /* Initialize the timer to 0 and the timer state to "not active."  */
    TMD_Timer =        0;
    TMD_Timer_State =  TM_NOT_ACTIVE;

    /* Initialize the time-slice timer, task pointer, and the associated
       state variable.  */
    TMD_Time_Slice =        0;
    TMD_Time_Slice_Task =   NU_NULL;
    TMD_Time_Slice_State =  TM_NOT_ACTIVE;

    /* Initialize the list protection structures.  */
    TMD_Created_List_Protect.tc_tcb_pointer =      NU_NULL;

    /* Clear out the timer HISR control block.  */
    TMD_HISR.tc_id =  0;

    /* Create the timer HISR.  The timer HISR is responsible for performing
       the time slice function and activating the timer task if necessary.  */
#ifdef  NU_NO_ERROR_CHECKING

    status =  TCC_Create_HISR((NU_HISR *) &TMD_HISR, "SYSTEM H",
                    TMC_Timer_HISR, (OPTION) TMD_HISR_Priority,
                    TMD_HISR_Stack_Ptr, TMD_HISR_Stack_Size);
#else

    status =  TCCE_Create_HISR((NU_HISR *) &TMD_HISR, "SYSTEM H",
                    TMC_Timer_HISR, (OPTION) TMD_HISR_Priority,
                    TMD_HISR_Stack_Ptr, TMD_HISR_Stack_Size);

#endif

    /* Check for a system error creating the timer HISR.  */
    if (status != NU_SUCCESS)

        /* Call the system error handler.  */
        ERC_System_Error(NU_ERROR_CREATING_TIMER_HISR);
}