m68k.txt

epson usb2.0 控制芯片 S1R72V05 固件程序。

	    亖 TOPPERS/JSP僇乕僱儖 儐乕僓僘儅僯儏傾儖 亖
		    乮M68040 僞乕僎僢僩埶懚晹乯

             乮Release 1.4.1懳墳丆嵟廔峏怴: 6-Oct-2004乯

------------------------------------------------------------------------ 
 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 
 偵傛偭偰岞昞偝傟偰偄傞 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傃壓婰偺柍曐徹婯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
     幰儅僯儏傾儖側偳乯偵丆忋婰偺挊嶌尃昞帵丆偙偺棙梡忦審偍傛傃壓婰
     偺柍曐徹婯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偳丆懠偺僜僼僩僂僃傾奐敪偵巊
     梡偱偒側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偳乯偵丆忋婰偺挊
       嶌尃昞帵丆偙偺棙梡忦審偍傛傃壓婰偺柍曐徹婯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偭偰丆TOPPERS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傝捈愙揑傑偨偼娫愙揑偵惗偠傞偄偐側傞懝
     奞偐傜傕丆忋婰挊嶌尃幰偍傛傃TOPPERS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
 傛傃TOPPERS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
 娷傔偰丆偄偐側傞曐徹傕峴傢側偄丏傑偨丆杮僜僼僩僂僃傾偺棙梡偵傛傝捈
 愙揑傑偨偼娫愙揑偵惗偠偨偄偐側傞懝奞偵娭偟偰傕丆偦偺愑擟傪晧傢側偄丏

 @(#) $Id: m68k.txt,v 1.1 2006/04/14 02:46:18 9564907 Exp $
------------------------------------------------------------------------


侾丏M68040 僞乕僎僢僩埶懚晹偺奣梫

1.1 僞乕僎僢僩僔僗僥儉

M68040僾儘僙僢僒偺僞乕僎僢僩僔僗僥儉偲偟偰偼丆(姅)揹嶻惢偺 DVE-68K/40
CPU儃乕僪乮CPU: MC68LC040乯偺傒傪僒億乕僩偟偰偄傞丏

1.2 奐敪娐嫬偲幚峴娐嫬

奐敪娐嫬偵偼丆GCC側偳偺GNU奐敪娐嫬傪梡偄丆僆僽僕僃僋僩僼傽僀儖僼僅乕儅僢
僩偼ELF傪昗弨偲偡傞丏

幚峴娐嫬偲偟偰丆ROM儌僯僞傪梡偄傞曽朄偲GDB僗僞僽傪梡偄傞曽朄傪僒億乕僩
偟偰偄傞丏GDB僗僞僽傪梡偄傞応崌偵偼丆Makefile拞偱丆DBGENV偵GDB_STUB傪
掕媊偡傞乮僨僼僅儖僩乯丏ROM儌僯僞傪梡偄傞応崌偵偼丆DBGENV傪掕媊偟側偄丏

1.3 僒億乕僩偡傞婡擻偺奣梫

M68040埶懚偺婡擻偲偟偰丆妱崬傒儅僗僋偺曄峏丒嶲徠乮chg_ixx丆get_ixx乯傪
僒億乕僩偟偰偄傞丏傑偨丆DVE-68K/40 CPU儃乕僪埶懚偺婡擻偲偟偰丆惈擻昡壙
梡僔僗僥儉帪崗嶲徠婡擻乮vxget_tim乯傪僒億乕僩偟偰偄傞丏妱崬傒偺嬛巭偲
嫋壜乮dis_int丆ena_int乯偼僒億乕僩偟偰偄側偄丏

1.4 懠偺僞乕僎僢僩傊偺億乕僥傿儞僌

尰僶乕僕儑儞偱偼丆FPU傪帩偨側偄MC68LC040偺傒傪僒億乕僩偟偰偄傞丏FPU傪
梡偄側偄応崌偵偼丆FPU撪憼偺M68040偵傕揔梡壜擻側偼偢偱偁傞丏FPU傪妶梡偟
偨偄応崌偵偼丆僨傿僗僷僢僠儍偱FPU儗僕僗僞傪曐懚乛暅婣偡傞昁梫偑偁傞側
偳丆庒姳偺夵憿偑昁梫偱偁傞丏

懠偺M68K宯楍偺僾儘僙僢僒傊偺億乕僥傿儞僌偵偮偄偰偼丆儅僗僞僗僞僢僋偲暿
偵妱崬傒僗僞僢僋傪帩偮M68020埲崀偺僾儘僙僢僒傊偼斾妑揑梕堈偵億乕僥傿儞
僌壜擻偲巚傢傟傞偑丆偦傟傛傝慜偺僾儘僙僢僒傊偺億乕僥傿儞僌偼傗傗柺搢偱
偁傠偆丏


俀丏M68040僾儘僙僢僒埶懚晹偺婡擻

偙偺愡偱偼丆僇乕僱儖偍傛傃僔僗僥儉僒乕價僗偺婡擻偺拞偱丆M68040埶懚偺晹
暘偵偮偄偰夝愢偡傞丏

2.1 僨乕僞宆

signed int宆丆unsigned int宆丆size_t宆偺僒僀僘偼丆偄偢傟傕32價僢僩偱偁
傞丏

2.2 妱崬傒娗棟婡擻偲妱崬傒僴儞僪儔

僇乕僱儖娗棟奜偺妱崬傒偼NMI偺傒偱偁傞丏傛偭偰丆CPU儘僢僋忬懺傗弶婜壔儖乕
僠儞撪偱偼丆NMI埲奜偺妱崬傒偼偡傋偰嬛巭偝傟偰偄傞丏嬶懱揑偵偼丆IPM
乮Interrupt Priority Mask乯偑7偵愝掕偝傟傞丏

DEF_INH偱巜掕偡傞妱崬傒僴儞僪儔斣崋乮inhno乯偼丆M68040偱偺椺奜儀僋僞斣
崋傪昞偟丆偦偺僨乕僞宆乮INHNO乯偼unsigned int宆偵掕媊偝傟偰偄傞丏
DEF_INH偱丆椺奜儀僋僞斣崋偲偟偰桳岠偱側偄抣傗丆奜晹妱崬傒偵懳墳偟側偄
斣崋傪巜掕偟偨応崌偺摦嶌偼曐徹偝傟側偄丏

M68040埶懚偺婡擻偲偟偰丆SR乮Status Register乯拞偺IPM乮Interrupt
Priority Mask乯偺抣傪曄峏偡傞偨傔偺僒乕價僗僐乕儖chg_ipm偲丆嶲徠偡傞偨
傔偺僒乕價僗僐乕儖get_ipm傪僒億乕僩偟偰偄傞丏側偍丆IPM偺抣傪昞偡僨乕僞
宆IPM偼丆unsigned int宆偵掕媊偝傟偰偄傞丏

偙傟傜偺僒乕價僗僐乕儖偼丆僞僗僋僐儞僥僉僗僩偱CPU儘僢僋夝彍忬懺偺応崌
偵偺傒屇傃弌偡偙偲偑偱偒傞丏chg_ipm偵傛傝IPM傪0埲奜乮偡側傢偪丆壗傜偐
偺妱崬傒偑嬛巭偝傟偰偄傞忬懺乯偵偟偨応崌偱傕丆僨傿僗僷僢僠偼嬛巭偝傟偢丆
chg_ipm偵傛傝曄峏偟偨IPM偺抣偼丆僨傿僗僷僢僠屻偺僞僗僋偵堷偒宲偑傟傞丏
椺偊偽丆偁傞僞僗僋偱IPM傪1偵曄峏偟偨屻丆壗傜偐偺妱崬傒偵傛傝暿偺僞僗僋
偵愗傝懼傢傞偲丆愗傝懼傢偭偨屻偺僞僗僋偱傕IPM偼1偵側傞丏偨偩偟丆IPM傪0 
埲奜偵愝掕偟偰偄偰傕丆幚峴偱偒傞僞僗僋偑側偔側偭偨応崌偵偼IPM偼堦帪揑
偵0偵側傞丏偙傟偼丆M68040偺柦椷僙僢僩偐傜偔傞惂尷帠崁偱偁傞乮夝寛庤抜
偑側偄傢偗偱偼側偄乯丏

chg_ipm傪僒億乕僩偡傞偨傔偵丆妱崬傒僴儞僪儔偺弌擖岥張棟側偳偵僆乕僶僿僢
僪傪惗偠偰偄傞丏偦偙偱丆SUPPORT_CHG_IPM偲偄偆儅僋儘偵傛傝丆偙傟傜偺僒乕
價僗僐乕儖傪僒億乕僩偡傞偐偳偆偐傪愗傝懼偊傜傟傞傛偆偵偟偰偄傞丏
SUPPORT_CHG_IPM偼丆cpu_config.h偺拞偱儅僋儘掕媊偝傟偰偄傞丏

M68040埶懚偺妱崬傒儅僗僋偺曄峏丒嶲徠偺偨傔偺僒乕價僗僐乕儖偺巇條偼師偺
捠傝丏

(1) chg_ipm			妱崬傒儅僗僋偺曄峏

亂C尵岅API亃
	ER ercd = chg_ipm(IPM ipm);

亂僷儔儊乕僞亃
	IPM	ipm		愝掕偡傋偒 IPM 偺抣

亂儕僞乕儞僷儔儊乕僞亃
	ER	ercd		僄儔乕僐乕僪

亂僄儔乕僐乕僪亃
	E_CTX		僐儞僥僉僗僩僄儔乕
	E_PAR		僷儔儊乕僞僄儔乕乮ipm 偑晄惓乯

亂婡擻亃

IPM乮Interrupt Priority Mask乯傪 ipm 偱巜掕偝傟偨抣偵愝掕偡傞丏巜掕偟
偨抣偑 0乣6 埲奜偺応崌丆E_PAR僄儔乕偲側傞丏IPM 傪 1乣6 偵愝掕偟偨応崌
偱傕丆僨傿僗僷僢僠偼嬛巭偝傟側偄丏傑偨丆愝掕偟偨 IPM 偺抣偼丆僨傿僗僷僢
僠屻傕堷偒宲偑傟傞丏僨傿僗僷僢僠傪嬛巭偟偨偄応崌偵偼丆dis_dsp 偲暪梡偡
傟偽傛偄丏

側偍丆偙偺僒乕價僗僐乕儖傪梡偄偰丆IPM 傪 7 乮偡傋偰偺妱崬傒傪嬛巭乯偵
愝掕偡傞偙偲偼偱偒側偄丏IPM 傪 7 偵偟偨偄応崌偵偼丆loc_cpu 傪巊偆傋偒
偱偁傞丏

偙偺僒乕價僗僐乕儖偼丆僞僗僋僐儞僥僉僗僩偱 CPU儘僢僋夝彍忬懺偺帪偺傒屇
傃弌偡偙偲偑偱偒傞丏旕僞僗僋僐儞僥僉僗僩傗 CPU儘僢僋忬懺偱屇傃弌偟偨応
崌偵偼丆E_CTX僄儔乕偲側傞丏

(2) get_ipm			妱崬傒儅僗僋偺嶲徠

亂C尵岅API亃
	ER ercd = get_ipm(IPM *p_ipm);

亂僷儔儊乕僞亃
	側偟

亂儕僞乕儞僷儔儊乕僞亃
	ER	ercd		僄儔乕僐乕僪
	IPM	ipm		尰嵼偺 IPM 偺抣

亂僄儔乕僐乕僪亃
	E_CTX		僐儞僥僉僗僩僄儔乕

亂婡擻亃

尰嵼偺 IPM乮Interrupt Priority Mask乯偺抣傪撉傒弌偟丆ipm 偵曉偡丏

偙偺僒乕價僗僐乕儖偼丆僞僗僋僐儞僥僉僗僩偱 CPU儘僢僋夝彍忬懺偺帪偺傒屇
傃弌偡偙偲偑偱偒傞丏旕僞僗僋僐儞僥僉僗僩傗 CPU儘僢僋忬懺偱屇傃弌偟偨応
崌偵偼丆E_CTX僄儔乕偲側傞丏