FreeCalypso > hg > freecalypso-sw
view nuc-fw/nucleus/ioi.c @ 89:d01098eccf21
nuc-fw: configuration mechanism hooked into the top level Makefile
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Sun, 25 Aug 2013 19:05:51 +0000 |
parents | 947b1f473960 |
children |
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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 */ /* */ /* ioi.c Nucleus PLUS 1.14 */ /* */ /* COMPONENT */ /* */ /* IO - Input/Output Driver Management */ /* */ /* DESCRIPTION */ /* */ /* This file contains the initialization routine for the I/O Driver */ /* Management component. */ /* */ /* DATA STRUCTURES */ /* */ /* None */ /* */ /* FUNCTIONS */ /* */ /* IOI_Initialize I/O Driver Initialize */ /* */ /* DEPENDENCIES */ /* */ /* io_defs.h I/O Driver component consts */ /* tc_defs.h Thread control constants */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1993 Created initial version 1.0 */ /* 04-19-1993 Verified version 1.0 */ /* 03-01-1994 Updated copyright notice, */ /* changed "void" to VOID, */ /* 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 "io_defs.h" /* I/O driver constants */ #include "io_extr.h" /* I/O driver interfaces */ #include "tc_defs.h" /* Thread control constants */ /* Define external inner-component global data references. */ extern CS_NODE *IOD_Created_Drivers_List; extern UNSIGNED IOD_Total_Drivers; extern TC_PROTECT IOD_List_Protect; /*************************************************************************/ /* */ /* FUNCTION */ /* */ /* IOI_Initialize */ /* */ /* DESCRIPTION */ /* */ /* This function initializes the data structures that control the */ /* operation of the I/O driver component (IO). There are no I/O */ /* drivers 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 */ /* */ /* IOD_Created_Drivers_List List of created I/O drivers */ /* IOD_Total_Drivers Number of created I/O drivers*/ /* IOD_List_Protect Protection for driver list */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1993 Created initial version 1.0 */ /* 04-19-1993 Verified version 1.0 */ /* 03-01-1994 Updated copyright notice, */ /* changed "void" to "VOID", */ /* resulting in version 1.1 */ /* */ /* 03-18-1994 Verified version 1.1 */ /* */ /*************************************************************************/ VOID IOI_Initialize(VOID) { /* Initialize the created I/O driver list to NU_NULL. */ IOD_Created_Drivers_List = NU_NULL; /* Initialize the total number of created I/O drivers to 0. */ IOD_Total_Drivers = 0; /* Initialize the list protection structure. */ IOD_List_Protect.tc_tcb_pointer = NU_NULL; }