swi_init.c
来自「澳洲人写的Cortex,包括uC_IP协议栈」· C语言 代码 · 共 118 行
C
118 行
<HTML><HEAD><TITLE>/home/asysweb/public_html/cortex/kernel/src/swi_init.c</TITLE></HEAD><BODY><pre><font color="#6920ac">/*************************************************************************/</font><font color="#6920ac">/* */</font><font color="#6920ac">/* Copyright (c) 1997-1999 Australian Real Time Embedded Systems */</font><font color="#6920ac">/* */</font><font color="#6920ac">/* PROPRIETARY RIGHTS of Australian Real Time Embedded Systems */</font><font color="#6920ac">/* are involved in the subject matter of this material. All reproduction,*/</font><font color="#6920ac">/* manufacturing, use, and sales rights pertaining to this subject matter*/</font><font color="#6920ac">/* are governed by the license agreement. The recipient of this software */</font><font color="#6920ac">/* implicitly accepts the terms of the license. */</font><font color="#6920ac">/* */</font><font color="#6920ac">/*************************************************************************/</font><font color="#6920ac">/************************************************************************* * * FILE NAME * * swi_init.c * * SYSTEM COMPONENT * * Software Interrupt Management Component * * DESCRIPTION * * This file contains initilisation service for for Software * Interrupt Management Component * * SERVICES * * sfti_Init - component initialisation routine * * SCCS HISTORY * * @(#)swi_init.c 1.6, 05/19/99, 11:25:17 * * AUTHOR * * Vadim N. Azarovsky * * CREATED * * 21-Feb-1998 by Vadim N. Azarovsky * * REVISION HISTORY * * NAME DATE REMARKS * **************************************************************************/</font><b><font color='DarkGreen'>#include</font></b> <a href="ass_defs.h.FIND-INC"><font color="blue">"ass_defs.h"</font></a><b><font color='DarkGreen'>#include</font></b> <a href="swi_priv.h.FIND-INC"><font color="blue">"swi_priv.h"</font></a><b><font color='DarkGreen'>#include</font></b> <a href="hwi_priv.h.FIND-INC"><font color="blue">"hwi_priv.h"</font></a><b><font color='DarkGreen'>#include</font></b> <a href="thr_priv.h.FIND-INC"><font color="blue">"thr_priv.h"</font></a><font color="#6920ac">/* SFTI component initialisation routine */</font><font size="+1"><i>crtx_Void_t</i> <b><font color="azure1"><a name="sfti_Init">sfti_Init</a></font></b>( <i>crtx_Void_t</i>){</font><font color="#6920ac">/********************* * LOCAL VARIABLES * *********************/</font> <i>crtx_Int_t</i> i; <i>sfti_ISRCB_t</i> Hisr;<font color="#6920ac">/********************* * PROCEDURE LOGIC * *********************/</font> <b>if</b> (sfti_Initialised_g) <font color="#6920ac">/* already initialised */</font> <b>return</b>; sfti_Initialised_g = <a href="CRTX_TRUE.FIND-DEF">CRTX_TRUE</a>; sfti_Environ_g.Global = 0; <font color="#6920ac">/* enable global interrupts */</font> sfti_Environ_g.Defined = 0; <font color="#6920ac">/* no HISRs defined */</font> sfti_Environ_g.Enabled = 0; <font color="#6920ac">/* disable all HISRs */</font> sfti_Environ_g.Pending = 0; <font color="#6920ac">/* no pending HISRs */</font> sfti_Environ_g.Active = 0; <font color="#6920ac">/* no active HISR */</font><b><font color='DarkGreen'>#if</font></b><font color="maroon"> SFTI_HISR_TRACKER_ENABLED==1</font> sfti_Environ_g.SwitchTicks = 0; sfti_Environ_g.SwitchClocks = 0;<b><font color='DarkGreen'>#endif</font></b><font color="maroon"> <font color="#6920ac">/* SFTI_HISR_TRACKER_ENABLED==1 */</font></font> Hisr.Handler = sfti_UnhandledHISR; <font color="#6920ac">/* handle unregistered interrupts */</font> Hisr.Flags = <a href="SFTI_FLAG_INIT.FIND-DEF">SFTI_FLAG_INIT</a>; <font color="#6920ac">/* init flags */</font> Hisr.Attr.pStack = <a href="CRTX_NULL.FIND-DEF">CRTX_NULL</a>; <font color="#6920ac">/* no personal stack */</font> Hisr.pSP = <a href="CRTX_NULL.FIND-DEF">CRTX_NULL</a>; Hisr.pArg0 = Hisr.pArg1 = <a href="CRTX_NULL.FIND-DEF">CRTX_NULL</a>;<font color="#6920ac">/* HISR arguments */</font> <b>for</b> (i=0; i<<a href="SFTI_INTR_VECTORS.FIND-DEF">SFTI_INTR_VECTORS</a>; i++) { <font color="#6920ac">/* HISR vector number */</font> Hisr.Vector = i; <font color="#6920ac">/* HISR vector context */</font> Hisr.Context = (<i>sfti_Context_t</i>)i; <font color="#6920ac">/* structure copy */</font> sfti_HISRs_g[i] = Hisr; } <b>return</b>;<font color="#6920ac">/************************ * EXCEPTION HANDLING * ************************/</font> <font color="#6920ac">/* None */</font>}</pre></BODY></HTML>⌨️ 快捷键说明
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