swi_priv.h
来自「澳洲人写的Cortex,包括uC_IP协议栈」· C头文件 代码 · 共 213 行
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<HTML><HEAD><TITLE>/home/asysweb/public_html/cortex/kernel/src/swi_priv.h</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_priv.h * * SYSTEM COMPONENT * * Software Interrupt Management Compenent (SFTI) * * DESCRIPTION * * This file contains private data and constant definitions for * Software Interrupt Management Compenent. * * SCCS HISTORY * * @(#)swi_priv.h 1.9, 12/22/99, 15:49:25 * * AUTHOR * * Vadim N. Azarovsky * * CREATED * * 28-Feb-1998 by Vadim N. Azarovsky * * REVISION HISTORY * * NAME DATE REMARKS * **************************************************************************/</font><b><font color='DarkGreen'>#ifndef</font></b><font color="maroon"> __SWI_PRIV__H</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="__SWI_PRIV__H">__SWI_PRIV__H</a></font><b><font color='DarkGreen'>#ifdef</font></b><font color="maroon"> __cplusplus</font><i>extern</i> <font color="DarkGreen">"C"</font> {<b><font color='DarkGreen'>#endif</font></b><font color="maroon"> <font color="#6920ac">/* __cplusplus */</font></font><b><font color='DarkGreen'>#include</font></b> <a href="swi_defs.h.FIND-INC"><font color="blue">"swi_defs.h"</font></a><b><font color='DarkGreen'>#include</font></b> <a href="tck_priv.h.FIND-INC"><font color="blue">"tck_priv.h"</font></a><font color="#6920ac">/*********************** * PRIVATE CONSTANSTS * ***********************/</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="SFTI_STACK_STAMP">SFTI_STACK_STAMP</a></font> 0x53465453Ul <font color="#6920ac">/* "SFTS" - SFTI stack stamp */</font><font color="#6920ac">/****************** * PRIVATE MACROS * ******************/</font><font color="#6920ac">/* disable specified interrupt sources */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="SFTI_ENABLE">SFTI_ENABLE</a></font>(Mask_a) \ sfti_Environ_g.Enabled |= ((Mask_a) & sfti_Environ_g.Defined)<font color="#6920ac">/* get HISR control block address */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="sfti_HisrCB">sfti_HisrCB</a></font>(_Vector_a) \ &sfti_HISRs_g[_Vector_a]<font color="#6920ac">/* HISR handler */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="sfti_Handler">sfti_Handler</a></font>(_Vector_a) \ sfti_HISRs_g[_Vector_a].Handler<font color="#6920ac">/* HISR context */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="sfti_Context">sfti_Context</a></font>(_Vector_a) \ sfti_HISRs_g[_Vector_a].Context<font color="#6920ac">/* HISR attributs */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="sfti_Attr">sfti_Attr</a></font>(_Vector_a) \ sfti_HISRs_g[_Vector_a].Attr<font color="#6920ac">/* HISR stack address */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="sfti_Stack">sfti_Stack</a></font>(_Vector_a) \ sfti_HISRs_g[_Vector_a].Attr.pStack<font color="#6920ac">/* HISR stack size */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="sfti_StackSize">sfti_StackSize</a></font>(_Vector_a) \ sfti_HISRs_g[_Vector_a].Attr.StackSize<font color="#6920ac">/* HISR flags */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="sfti_Flags">sfti_Flags</a></font>(_Vector_a) \ sfti_HISRs_g[_Vector_a].Flags<font color="#6920ac">/* clear bit of active software interrupt */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="sfti_HisrServed">sfti_HisrServed</a></font>(_Vector_a) \ <a href="hrdi_And.FIND-FUNC">hrdi_And</a>(&sfti_Environ_g.Active,(~(0x1<<(_Vector_a))));<font color="#6920ac">/* is HISR registered for specified interrupt vector */</font><b><font color='DarkGreen'>#define</font></b> <font color="maroon"><a name="sfti_IS_CREATED">sfti_IS_CREATED</a></font>(_Vector_a) \ ((sfti_Environ_g.Defined & <a href="sfti_Mask.FIND-FUNC">sfti_Mask</a>(_Vector_a)) != 0)<font color="#6920ac">/*********************** * PRIVATE DATA TYPES * ***********************/</font><font color="#6920ac">/* * Software Interrupt manager Info block */</font><i><a name="sfti_Environ_t">typedef</a></i> <i>struct</i> { <i>crtx_Int_t</i> Global; <font color="#6920ac">/* global interrupt disasble counter */</font> <i>crtx_Mask_t</i> Defined; <font color="#6920ac">/* mask of registered HISRs */</font> <i>crtx_Mask_t</i> Enabled; <font color="#6920ac">/* mask of enabled HISRs */</font> <i>crtx_Mask_t</i> Pending; <font color="#6920ac">/* mask of pending software interrupts */</font> <i>crtx_Mask_t</i> Active; <font color="#6920ac">/* mask of active HISRs */</font><b><font color='DarkGreen'>#if</font></b><font color="maroon"> SFTI_HISR_TRACKER_ENABLED==1</font> <i>crtx_Int_t</i> SwitchTicks; <font color="#6920ac">/* ticks since last context switch */</font> <i>crtx_Uint32_t</i> SwitchClocks; <font color="#6920ac">/* timer clocks when last context * switch occured */</font><b><font color='DarkGreen'>#endif</font></b><font color="maroon"> <font color="#6920ac">/* SFTI_HISR_TRACKER_ENABLED==1 */</font></font>} <i><font color='DarkBlue'>sfti_Environ_t</font></i>;<font color="#6920ac">/* * Software Interrupt Service Routine Control Block (HISR) */</font><i><a name="sfti_ISRCB_t">typedef</a></i> <i>struct</i> { <i>sfti_Vector_t</i> Vector; <font color="#6920ac">/* interrupt vector */</font> <i>sfti_Handler_t</i> Handler; <font color="#6920ac">/* interrupt handler */</font> <i>sfti_Context_t</i> Context; <font color="#6920ac">/* HISR context */</font> <i>crtx_Int_t</i> Flags; <font color="#6920ac">/* flags */</font> <i>crtx_Void_t</i> *pSP; <font color="#6920ac">/* Stack Pointer (SP) */</font> <i>crtx_Uint32_t</i> *pStackBase; <font color="#6920ac">/* stack base address */</font> <i>crtx_Uint32_t</i> *pStackTop; <font color="#6920ac">/* stack top address */</font> <i>crtx_Void_t</i> *pArg0; <font color="#6920ac">/* HISR argument 0 */</font> <i>crtx_Void_t</i> *pArg1; <font color="#6920ac">/* HISR argument 1 */</font> <i>sfti_Attr_t</i> Attr; <font color="#6920ac">/* attributes */</font><b><font color='DarkGreen'>#if</font></b><font color="maroon"> SFTI_HISR_TRACKER_ENABLED==1</font> <i>tick_Timeout_t</i> Ticks; <font color="#6920ac">/* System ticks consumed by HISR */</font> <i>crtx_Uint32_t</i> Cycles; <font color="#6920ac">/* Timer cycles consumed by HISR */</font> <i>tick_Timeout_t</i> MaxTicks; <font color="#6920ac">/* max system ticks consumed by HISR */</font> <i>crtx_Uint32_t</i> MaxCycles; <font color="#6920ac">/* max timer cycles consumed by HISR */</font> <i>crtx_Uint32_t</i> Switches; <font color="#6920ac">/* number of HISR executions */</font><b><font color='DarkGreen'>#endif</font></b><font color="maroon"> <font color="#6920ac">/* SFTI_HISR_TRACKER_ENABLED==1 */</font></font>} <i><font color='DarkBlue'>sfti_ISRCB_t</font></i>;<font color="#6920ac">/***************** * PRIVATE DATA * *****************/</font><font color="#6920ac">/* HRDI component initialisation flag */</font><i>extern</i> <i>crtx_Boolean_t</i> sfti_Initialised_g; <font color="#6920ac">/* table of registered HISRs */</font><i>extern</i> <i>sfti_ISRCB_t</i> sfti_HISRs_g[<a href="SFTI_INTR_VECTORS.FIND-DEF">SFTI_INTR_VECTORS</a>];<font color="#6920ac">/* Software Interrupt component information block */</font><i>extern</i> <i>sfti_Environ_t</i> sfti_Environ_g;<font color="#6920ac">/********************************* * LOCAL PROCEDURES PROTOTYPES * *********************************/</font><font color="#6920ac">/* SFTI component initialisation routine */</font><font size="+1"><i>crtx_Void_t</i> <a href="sfti_Init.FIND-FUNC">sfti_Init</a>(<i>crtx_Void_t</i>);</font><font color="#6920ac">/* Initialise HISR stack frame. CPU specific implementation */</font><font size="+1"><i>crtx_Void_t</i> <a href="sfti_MakeHisrStackFrame.FIND-FUNC">sfti_MakeHisrStackFrame</a>(<i>sfti_ISRCB_t</i> *pHisr_a);</font><font color="#6920ac">/* prepare HISR-stack immediately before switching to HISR */</font><font size="+1"><i>crtx_Void_t</i> <a href="sfti_PrepareStack.FIND-FUNC">sfti_PrepareStack</a>(<i>sfti_ISRCB_t</i> *pHisr_a);</font><font color="#6920ac">/* Check HISR stack frame. CPU specific */</font><font size="+1"><i>crtx_Bool_t</i> <a href="sfti_CheckStack.FIND-FUNC">sfti_CheckStack</a>(<i>sfti_ISRCB_t</i> *pHisr_a);</font><font color="#6920ac">/* Switch to HISR stack and execute HISR handler */</font><font size="+1"><i>crtx_Void_t</i> <a href="sfti_SwitchStack.FIND-FUNC">sfti_SwitchStack</a>(<i>crtx_Void_t</i> *pNewSP);</font><font color="#6920ac">/* Recover HISR stack. Only called from stack frame */</font><font size="+1"><i>crtx_Void_t</i> <a href="sfti_RestoreStack.FIND-FUNC">sfti_RestoreStack</a>(<i>crtx_Void_t</i>);</font><font color="#6920ac">/* check for pending software interrupts */</font><font size="+1"><i>crtx_Boolean_t</i> <a href="sfti_CheckPending.FIND-FUNC">sfti_CheckPending</a>(<i>crtx_Void_t</i>);</font><font color="#6920ac">/* get number of pending software interrupt of highest priority */</font><font size="+1"><i>sfti_Vector_t</i> <a href="sfti_GetPending.FIND-FUNC">sfti_GetPending</a>(<i>crtx_Void_t</i>);</font><font color="#6920ac">/* serve all pending software interrupts */</font><font size="+1"><i>crtx_Void_t</i> <a href="sfti_ServicePending.FIND-FUNC">sfti_ServicePending</a>(<i>crtx_Void_t</i>);</font><font color="#6920ac">/* HISR to handle all unregistered interrupts */</font><font size="+1"><i>crtx_Void_t</i> <a href="sfti_UnhandledHISR.FIND-FUNC">sfti_UnhandledHISR</a>(<i>crtx_Void_t</i> *pArg0_a, <i>crtx_Void_t</i> *pArg1_a);</font><font color="#6920ac">/* HISR tracker */</font><font size="+1"><i>crtx_Void_t</i> <a href="sfti_Tracker.FIND-FUNC">sfti_Tracker</a>(<i>sfti_ISRCB_t</i> *pHisr_a);</font><font color="#6920ac">/* ===== END OF THE DEFINITION FILE ===== */</font><b><font color='DarkGreen'>#ifdef</font></b><font color="maroon"> __cplusplus</font>}<b><font color='DarkGreen'>#endif</font></b><font color="maroon"> <font color="#6920ac">/* __cplusplus */</font></font><b><font color='DarkGreen'>#endif</font></b><font color="maroon"> <font color="#6920ac">/* __SWI_PRIV__H */</font></font></pre></BODY></HTML>⌨️ 快捷键说明
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