/*
 *  TOPPERS/JSP Kernel
 *      Toyohashi Open Platform for Embedded Real-Time Systems/
 *      Just Standard Profile Kernel
 * 
 *  Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
 *                              Toyohashi Univ. of Technology, JAPAN
 * 
 *  忋婰挊嶌尃幰偼丆埲壓偺 (1)乣(4) 偺忦審偐丆Free Software Foundation 
 *  偵傛?zhèn)羵膶鰰\偝傟偰偄傞 GNU General Public License 偺 Version 2 偵婰
 *  弎偝傟偰偄傞忦審傪枮偨偡応崌偵尷傝丆杮僜僼僩僂僃傾乮杮僜僼僩僂僃傾
 *  傪夵曄偟偨傕偺傪娷傓丏埲壓摨偠乯傪巊梡丒暋惢丒夵曄丒嵞攝晍乮埲壓丆
 *  棙梡偲屇傇乯偡傞偙偲傪柍彏偱嫋戻偡傞丏
 *  (1) 杮僜僼僩僂僃傾傪僜乕僗僐乕僪偺宍偱棙梡偡傞応崌偵偼丆忋婰偺挊嶌
 *      尃昞帵丆偙偺棙梡忦審偍傛?zhèn)褖簨L偺?hào)硶蹚貗K掕偑丆偦偺傑傑偺宍偱僜乕
 *      僗僐乕僪拞偵娷傑傟偰偄傞偙偲丏
 *  (2) 杮僜僼僩僂僃傾傪丆儔僀僽儔儕宍幃側(cè)偳丆懠偺僜僼僩僂僃傾奐敪偵巊
 *      梡偱偒傞宍偱嵞攝晍偡傞応崌偵偼丆嵞攝晍偵敽偆僪僉儏儊儞僩乮棙梡
 *      幰儅僯儏傾儖側(cè)偳乯偵丆忋婰偺挊嶌尃昞帵丆偙偺棙梡忦審偍傛?zhèn)褖簨L
 *      偺?hào)硶蹚貗K掕傪宖嵹偡傞偙偲丏
 *  (3) 杮僜僼僩僂僃傾傪丆婡婍偵慻傒崬傓側(cè)偳丆懠偺僜僼僩僂僃傾奐敪偵巊
 *      梡偱偒側(cè)偄宍偱嵞攝晍偡傞応崌偵偼丆師偺偄偢傟偐偺忦審傪枮偨偡偙
 *      偲丏
 *    (a) 嵞攝晍偵敽偆僪僉儏儊儞僩乮棙梡幰儅僯儏傾儖側(cè)偳乯偵丆忋婰偺挊
 *        嶌尃昞帵丆偙偺棙梡忦審偍傛?zhèn)褖簨L偺?hào)硶蹚貗K掕傪宖嵹偡傞偙偲丏
 *    (b) 嵞攝晍偺宍懺傪丆暿偵掕傔傞曽朄偵傛?zhèn)羵膩CTOPPERS僾儘僕僃僋僩偵
 *        曬崘偡傞偙偲丏
 *  (4) 杮僜僼僩僂僃傾偺棙梡偵傛?zhèn)钂紣趽I傑偨偼娫愙揑偵惗偠傞偄偐側(cè)傞懝
 *      奞偐傜傕丆忋婰挊嶌尃幰偍傛?zhèn)裈OPPERS僾儘僕僃僋僩傪柶愑偡傞偙偲丏
 * 
 *  杮僜僼僩僂僃傾偼丆柍曐徹偱採嫙偝傟偰偄傞傕偺偱偁傞丏忋婰挊嶌尃幰偍
 *  傛?zhèn)裈OPPERS僾儘僕僃僋僩偼丆杮僜僼僩僂僃傾偵娭偟偰丆偦偺揔梡壜擻惈傕
 *  娷傔偰丆偄偐側(cè)傞曐徹傕峴傢側(cè)偄丏傑偨丆杮僜僼僩僂僃傾偺棙梡偵傛?zhèn)钂? *  愙揑傑偨偼娫愙揑偵惗偠偨偄偐側(cè)傞懝奞偵娭偟偰傕丆偦偺愑擟傪晧傢側(cè)偄丏
 * 
 */
/*
 * BLACKfin port. By Suikan, 2004
 */

/*
 *	僞僗僋僐儞僥僉僗僩憖嶌儖乕僠儞乮BLACKfin梡乯
 *
 *  偙偺僼傽僀儖傪 cpu_config.h 偲暘棧偟偰偄傞偺偼丆偙偺僼傽僀儖偼 TCB
 *  偑掕媊偝傟偨屻偵撉傓昁梫偑偁傞偺偵懳偟偰丆cpu_config.h 偵偼 TCB 傪
 *  掕媊偡傞慜偵撉傓昁梫偑偁傞掕媊傪娷傫偱偄傞偨傔偱偁傞丏
 */

#ifndef _CPU_CONTEXT_H_
#define _CPU_CONTEXT_H_

#include "task.h"

/*
 *  僞僗僋僐儞僥僉僗僩偺弶婜壔
 *
 *  僞僗僋偑媥巭忬懺偵堏峴偡傞帪乮僞僗僋偺惗惉帪丆僞僗僋偺廔椆帪乯偵屇
 *  偽傟傞丏婎杮揑偵偼丆僞僗僋僐儞僥僉僗僩傪僞僗僋偑婲摦偱偒傞忬懺偵愝
 *  掕偡傞張棟傪丆create_context 偲 activate_context 偱峴偊偽傛?zhèn)D
 */
Inline void
create_context(TCB *tcb)
{
}

/*
 *  僞僗僋偺婲摦弨旛
 *
 *  僞僗僋偑媥巭忬懺偐傜幚峴偱偒傞忬懺偵堏峴偡傞帪偵屇偽傟傞丏
 */
extern void	activate_r(void);

Inline void
activate_context(TCB *tcb)
{
/*	VW	*sp;

	sp = (VW *)((SIZE)(tcb->tinib->stk)); // + tcb->tinib->stksz);	Modified by Chen Yi @srf
	*--sp = (VW)(tcb->tinib->exinf);	// ext_inf傪僾僢僔儏
	*--sp = (VW) ext_tsk;				// ext_tsk()偺傾僪儗僗傪僾僢僔儏
	*--sp = (VW)(tcb->tinib->task);		// 僞僗僋偺傾僪儗僗傪僾僢僔儏
	tcb->tskctxb.sp = sp;
	tcb->tskctxb.pc = activate_r;
*/
}

/*
 *  ext_tsk 偑僗僞僢僋忋偵妋曐偡傞僟儈乕椞堟?zhèn)虄T僀僘
 */
#define	ACTIVATED_STACK_SIZE	(sizeof(VW) * 3)

/*
 *  calltex 偼巊梡偟側(cè)偄
 */
#define OMIT_CALLTEX

#endif /* _CPU_CONTEXT_H_ */