FreeCalypso > hg > ffs-editor
diff src/nucleus/ioi.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/ioi.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 */ +/* */ +/* 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; +} + + + + + +