mips3.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MIPS3 僞乕僎僢僩埶懚晹乯

	   乮Release 1.4.1 懳墳丆嵟廔峏怴: 9-Aug-2004乯

------------------------------------------------------------------------
 TOPPERS/JSP Kernel
     Toyohashi Open Platform for Embedded Real-Time Systems/
     Just Standard Profile Kernel

 Copyright (C) 2000-2004 by Embedded and Real-Time Systems Laboratory
                             Toyohashi Univ. of Technology, JAPAN
 Copyright (C) 2001-2004 by Industrial Technology Institute,
                             Miyagi Prefectural Government, JAPAN

 忋婰挊嶌尃幰偼丆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偐丆埲
 壓偺(1)乣(4)偺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) 杮僜僼僩僂僃傾傪嵞棙梡壜擻側僶僀僫儕僐乕僪乮儕儘働乕僞僽儖僆僽
     僕僃僋僩僼傽僀儖傗儔僀僽儔儕側偳乯偺宍偱棙梡偡傞応崌偵偼丆棙梡
     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) 杮僜僼僩僂僃傾傪嵞棙梡晄壜擻側僶僀僫儕僐乕僪偺宍傑偨偼婡婍偵慻
     傒崬傫偩宍偱棙梡偡傞応崌偵偼丆師偺偄偢傟偐偺忦審傪枮偨偡偙偲丏
   (a) 棙梡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) 棙梡偺宍懺傪丆暿偵掕傔傞曽朄偵傛偭偰丆忋婰挊嶌尃幰偵曬崘偡傞
       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
------------------------------------------------------------------------

侾丏MIPS3 僞乕僎僢僩埶懚晹偺奣梫

1.1 僞乕僎僢僩僔僗僥儉偲奐敪娐嫬

MIPS3僾儘僙僢僒偺僞乕僎僢僩僔僗僥儉偲偟偰偼丄埲壓偺僾儘僙僢僒傪僒億乕僩偟
偰偄傞丅

丒VR5500 (NEC)
丒VR4131 (NEC)

僒億乕僩偟偰偄傞儃乕僪偼丄埲壓偺捠傝偱偁傞丅

丒姅幃夛幮儅僀僟僗丒儔儃惢 RTE-VR5500-CB(64) (CPU:VR5500)
丒嫗搒儅僀僋儘僐儞僺儏乕僞姅幃夛幮惢 KZ-Vr4131PCI-01 (CPU:VR4131)

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

埲壓丄vr5500, vr4131僨傿儗僋僩儕傪彍偄偨mips3僨傿儗僋僩儕偺斖埻傪僾儘僙僢僒
埶懚晹偲屇傃丄vr5500, vr4131僨傿儗僋僩儕偵娭偡傞偙偲傪丄僔僗僥儉埶懚晹偲屇
傇丅
	MIPS3僞乕僎僢僩埶懚晹 = 僾儘僙僢僒埶懚晹 + 僔僗僥儉埶懚晹

1.2 僒億乕僩偡傞婡擻偺奣梫

MIPS3僞乕僎僢僩埶懚偺婡擻偲偟偰丄妱崬傒儅僗僋偺曄峏丒嶲徠(chg_ipm丄get_ipm)
偲丄惈擻昡壙梡僔僗僥儉帪崗嶲徠婡擻(vxget_tim)傪僒億乕僩偟偰偄傞丅妱崬傒偺
嬛巭偲嫋壜(dis_int丄ena_int)偼僒億乕僩偟偰偄側偄丅

1.3 懠偺僞乕僎僢僩傊偺億乕僥傿儞僌

MIPS 僔儕乕僘偼丄MIPS 幮偐傜嫙媼偝傟偰偄傞 CPU 僐傾偱偁傝丄偙偺僐傾傪梡偄偨
條乆側僾儘僙僢僒偑奺儊乕僇乕偐傜弌壸偝傟偰偄傞丅傑偨丄MIPS 偵偼丄柦椷僙僢僩
偺奼挘儗儀儖偵墳偠偰 MIPS I 乣 IV 傑偱偑懚嵼偡傞丅偦偺拞偱丄崱夞偼 MIPS III 
儗儀儖乮埲壓丄MIPS3乯偺柦椷僙僢僩傪梡偄偨幚憰傪峴偭偨丅

偙傟偼崱夞幚憰傪峴偭偨僾儘僙僢僒偵娭偟偰丄VR5500 偼柦椷僙僢僩偲偟偰 MIPS IV 
傑偱懳墳偟偰偄傞偑丄VR4131 偼 MIPS III 傑偱偺懳墳偱偁傞偨傔偱偁傞丅
乮崱夞偺幚憰傪梡偄偰丄懠偺MIPS僾儘僙僢僒傊偺億乕僥傿儞僌傪峴偆偙偲偑壜擻偱
  偁傞丅乯

1.4 GDB 僗僞僽

尰嵼偺 TOPPERS/JSP 僇乕僱儖 MIPS3 斉偼ROM壔傪僒億乕僩偟偰偄傞丅

傑偨丄GDB僗僞僽偲慻傒崌傢偣偰巊梡偡傞偙偲傪峫椂偟偰丄懠婡庬斉偺JSP僇乕僱儖偲
摨條偵丄僜乕僗僐乕僪撪偵GDB_STUB儅僋儘偵傛傞忦審僐儞僷僀儖偺愝掕傪峴偭偰偄傞丅
偙偺儅僋儘偺愝掕偵傛傝丄巊梡偡傞儕儞僇僗僋儕僾僩傪愗傝懼偊傞偙偲偱丄懳墳傪
峴偭偰偄傞丅
(/vrxxxx/makefile.config)

MIPS3梡偺GDB僗僞僽偼丄vr4131尷掕懳墳斉偑丄姰惉偟偰偍傝丄崱屻TOPPERS僾儘僕僃
僋僩儂乕儉儁乕僕丄偍傛傃丄媨忛導嶻嬈媄弍憤崌僙儞僞乕儂乕儉儁乕僕傪捠偠偰
岞奐偡傞梊掕偱偁傞丅

1.5 僔儕傾儖億乕僩

僇乕僱儖偺儘僌弌椡梡偵僔儕傾儖億乕僩傪侾偮巊梡偡傞丅
僔儕傾儖億乕僩偺愝掕偼
  丒8價僢僩
  丒僷儕僥傿側偟
  丒僗僩僢僾價僢僩丗1價僢僩
  丒儃乕儗乕僩丗9600bps
偱偁傞丅
(tl16pir552.c, vr4131_dsiu.c丟siopinib_table攝楍)

側偍丄儃乕儗乕僩偵偮偄偰偼丄DEVIDE_RATIO儅僋儘偵偰掕媊偟偰偄傞偺偱昁梫偵
墳偠偰曄峏偡傞偙偲偑偱偒傞丅
(sys_config.h)

俀丏MIPS3僞乕僎僢僩埶懚晹偺婡擻

偙偺愡偱偼丄僇乕僱儖偍傛傃僔僗僥儉僒乕價僗偺婡擻偺拞偱丄MIPS3僞乕僎僢僩埶
懚偺晹暘偵偮偄偰夝愢偡傞丅

2.1 僨乕僞宆

int宆偍傛傃 unsigned int宆偺僒僀僘偼 32價僢僩偱偁傞丅
尰嵼偼丄MIPS帺懱偼丄64價僢僩傾乕僉僥僋僠儍偱偁傞偨傔丄64價僢僩傊偺懳墳傕
壜擻偱偁傞丅偟偐偟丄尰抜奒偱偺棙梡幚愌側偳偐傜丄崱夞偼32價僢僩偱偺幚憰傪
峴偭偨丅

2.2 妱崬傒娗棟婡擻偲CPU椺奜

MIPS3偱偼丄妱崬傒傕CPU椺奜傕堦弿偵偟丄乽椺奜張棟乿偲偄偆宍偱丄張棟傪峴偭偰
偄傞丅偦偺偨傔丄儊儌儕娗棟丒儕僙僢僩側偳偺堦晹偺抳柦揑側椺奜傪彍偒丄儀僋
僞傾僪儗僗偼嫟捠偲側偭偰偄傞丅

乮側偍丄崱夞偺幚憰偱偼丄ROM壔側偳偺棟桼偵傛傝丄僗僥乕僞僗儗僕僗僞偺BEV價僢
僩偑侾偲偟偰幚憰傪峴偭偰偄傞偺偱丄儀僋僞傾僪儗僗偼0xbfc00300偵側偭偰偄傞丅乯
(sys_config.h ; INIT_SR)

偦偙偱丄儀僋僞傾僪儗僗偵旘傫偩搑拞偐傜丄妱崬傒偲CPU椺奜(妱崬傒埲奜偺乽椺
奜乿傪丄埲壓丄偙偺傛偆偵屇傇偙偲偲偡傞丅)偲偵暘婒偝偣偰張棟傪峴偆昁梫偑
偁傞丅偦偙偱丄尨場儗僕僗僞(Cause;CP0)偺椺奜僐乕僪(ExcCode)傪梡偄偰敾抐傪
峴偭偰暘婒偟偰偄傞丅

敾抐屻偺丄奺梫場偵懳墳偡傞僴儞僪儔傪屇傃弌偡偨傔偵丄媅帡儀僋僞僥乕僽儖傪
愝偗偰偄傞丅
      丒妱崬傒		INT_TABLE int_table[ TMAX_ALL_INTNO ]
			ICU_IPM icu_intmask_table[ TMAX_ALL_INTNO ]
      丒CPU椺奜		EXCVE exc_table[ TMAX_CORE_EXCNO ]
偙偙偱丄妱崬傒僴儞僪儔媅帡儀僋僞僥乕僽儖偵偮偄偰偼丄MIPS3僐傾偼丄妱崬傒偺
桪愭搙惂屼傪峴傢側偄偨傔偵丄妱崬傒僴儞僪儔屇傃弌偟帪偺MIPS3僐傾偵娭偡傞妱
崬傒儅僗僋偲傪傑偲傔偨INT_TABLE宆傪掕媊偟丄攝楍偺宆偲偟偨丅傑偨丄妱崬傒
僐儞僩儘乕儔偵偮偄偰偼丄條乆側妱崬傒僐儞僩儘乕儔偑懚嵼偡傞偙偲傪峫椂偟偰丄
堏怉惈偺娤揰偐傜僾儘僙僢僒埶懚晹偐傜暘棧偝偣偰丄僔僗僥儉埶懚晹偵偍偄偰妱
崬傒僐儞僩儘乕儔娭楢偺幚憰傪峴偆昁梫偑偁傞偨傔丄暿偵icu_intmask_table攝
楍傪掕媊偡傞偙偲偱懳墳偡傞偙偲偲偟偨丅
乮cpu_config.h, cpu_config.c, pic_icu.h, vr4131_icu.h乯

側偍丄偙偙偱丄
	TMAX_ALL_INTNO : MIPS3僐傾偲妱崬傒僐儞僩儘乕儔偲傪娷傔偨丄妱崬傒
			 偺憤杮悢
		乮MIPS3僐傾 偺憤杮悢 TMAX_CORE_INTNO (8杮屌掕)偲丄妱崬傒
		  僐儞僩儘乕儔娗棟壓偺憤杮悢 TMAX_ICU_INTNO 偲偺崌寁丅)
	TMAX_CORE_EXCNO : MIPS3僐傾娗棟壓偺丄CPU椺奜偺憤杮悢乮32杮屌掕乯
偱偁傞丅
(mips3.h, cpu_config.h, pic_icu.h, vr4131_icu.h)

僴儞僪儔媅帡儀僋僞僥乕僽儖偵偼丄弶婜抣偲偟偰丄僨僶僢僋梡偵cpu_experr娭悢
偑搊榐偝傟偰偄傞丅偙傟偼丄堷悢偲偟偰丄妱崬傒丒CPU椺奜丒TLB, XTLB晄堦抳敪
惗帪偺僗僞僢僋億僀儞僞偺抣丄僗僥乕僞僗儗僕僗僞偺抣丄尨場儗僕僗僞偺抣傪帩
偮娭悢偱偁傝丄偦傟傜偺抣傪儘僌弌椡梡偺億乕僩偵彂偒弌偡娭悢偱偁傞丅
(cpu_config.c)

埲壓偱偼丄2.3乣2.4偱偼妱崬傒偵偮偄偰愢柧偟丄2.5偱偼CPU椺奜偵偮偄偰愢柧傪
偡傞丅

乮MIPS3僐傾偼丄妱崬傒僐儞僩儘乕儔傪撪憼偟偰偄側偄偨傔丄奺僞乕僎僢僩偵傛偭
偰妱崬傒張棟偑堎側傞丅偦偙偱丄崱夞棙梡偟偨僞乕僎僢僩埲奜偵堏怉偡傞偨傔偺
妱崬傒張棟偵娭偡傞僀儞僞僼僃乕僗忣曬偼丄偙偺暥彂偺嵟屻偵傑偲傔偰婰嵹偟偰
偄傞偺偱丄嶲徠偺偙偲丅乯

2.3 妱崬傒娗棟婡擻

2.3.1 妱崬傒僐儞僩儘乕儔ICU偲CPU偲偺愙懕

MIPS3僐傾偼丄妱崬傒僐儞僩儘乕儔傪撪憼偟偰偄側偄偨傔丄暿偵愝偗傞昁梫偑偁傞丅
偦偺妱崬傒僐儞僩儘乕儔偲偺愙懕忬嫷偲傪掕媊偡傞偨傔偵丄INIT_CORE_IPM 傪掕
媊偡傞丅偙偺抣偼丄mips3.h偱掕媊偟偰偄傞Cause_Int(0:4)儅僋儘傪棙梡偟偰掕媊
偡傞丅
(側偍丄偙偺儅僋儘偼丄嵟廔揑偵偼CP0偺尨場儗僕僗僞偺價僢僩傪捈愙掕媊偟偰偄傞丅)
(sys_config.h)

(a) VR5500
VR5500偼丄妱崬傒僐儞僩儘乕儔傪撪憼偟偰偄側偄偨傔偵丄僞乕僎僢僩儃乕僪忋偵
妱崬傒僐儞僩儘乕儔傪愝偗偰偄傞丅偙偺妱崬傒僐儞僩儘乕儔偲偼丄奜晹妱崬傒
Int(0:1)偺俀杮偱愙懕偝傟偰偄傞丅
      INIT_CORE_IPM = ( Cause_Int0 | Cause_Int0 )

(b) VR4131
VR4131偼丄妱崬傒僐儞僩儘乕儔傪撪憼偟偰偄傞丅偙偺妱崬傒僐儞僩儘乕儔偲偼丄
奜晹妱崬傒Int(0:2)偺俁杮偱愙懕偝傟偰偄傞丅
乮僴乕僪僂僃傾曇p196嶲徠乯
      INIT_CORE_IPM = ( Cause_Int0 | Cause_Int1 | Cause_Int2 )

2.3.2 妱崬傒僴儞僪儔

妱崬傒僴儞僪儔偼丄忋婰偺媅帡儀僋僞僥乕僽儖偵搊榐傪偟偰棙梡偡傞偙偲偵側傞丅
偙偺偲偒偺丄僥乕僽儖傪堷偔偨傔偺堷悢偱偁傞斣崋傪乽妱崬傒梫場斣崋乿偲屇傇丅

0 乣 7偼丄MIPS3僐傾偺奺妱崬傒梫場偵懳墳偟偰偍傝丄嫟捠晹偵偍偄偰 INTNO_IP0
 乣 INTNO_IP7 偲偟偰掕媊偟偰偄傞丅
(mips3.h)

傑偨丄8斣埲崀傪丄僔僗僥儉埶懚晹偱埲壓偺傛偆偵掕媊偟偰偄傞丅

(a) VR5500
          妱崬傒梫場    乥  妱崬傒梫場斣崋  乥    儅僋儘柤
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
          僞僀儅侽      乥        俉        乥  INTNO_TIMER0
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
          僔儕傾儖侽    乥        俋        乥  INTNO_SERIAL0
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
          GBUS-INT0-    乥      侾侽        乥  INTNO_GBUS
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
          BUS ERROR     乥      侾侾        乥  INTNO_BUS_ERR
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
          僞僀儅侾      乥      侾俀        乥  INTNO_TIMER1
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
          僔儕傾儖侾    乥      侾俁        乥  INTNO_SERIAL1
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
          僷儔儗儖      乥      侾係        乥  INTNO_PARALEL
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
          DMAC INTREQ-  乥      侾俆        乥  INTNO_DMAC

(pic_icu.h)

(b) VR4131
          妱崬傒梫場        乥  妱崬傒梫場斣崋  乥    儅僋儘柤
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        僶僢僥儕            乥        俉        乥  INTNO_BAT
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        僷儚乕僗僀僢僠      乥        俋        乥  INTNO_POWER
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        俼俿俠俴倧値倗侾    乥      侾侽        乥  INTNO_RTCL1
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        ElipsedTime 僞僀儅  乥      侾侾        乥  INTNO_ETIME
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        俧俬倀              乥      侾俀        乥  INTNO_GIU
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        俽俬倀              乥      侾俁        乥  INTNO_SIU
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        僜僼僩僂僃傾        乥      侾係        乥  INTNO_SOFTINT
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        俠俴俲俼倀俶        乥      侾俆        乥  INTNO_CLKRUN
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        俼俿俠俴倧値倗俀    乥      侾俇        乥  INTNO_RTCL2
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        俴俤俢              乥      侾俈        乥  INTNO_LED
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        TClock僇僂儞僞      乥      侾俉        乥  INTNO_TCLK
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        俥俬俼              乥      侾俋        乥  INTNO_FIR
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        俢俽俬倀            乥      俀侽        乥  INTNO_DSIU
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        俹俠俬              乥      俀侾        乥  INTNO_PCI
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        俽俠倀              乥      俀俀        乥  INTNO_SCU
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        俠俽俬              乥      俀俁        乥  INTNO_CSI
      亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅亅
        俛俠倀              乥      俀係        乥  INTNO_BCU

(vr4131_icu.h)

崱夞偺僞乕僎僢僩偵偍偄偰偼丄僇乕僱儖偱偼丄埲忋偺妱崬傒梫場偺拞偐傜壓婰傪
棙梡偟偰偄傞丅

(a) VR5500
  僞僀儅侽丄僔儕傾儖侽乮丄僔儕傾儖侾乯

(b) VR4131
  TClock僇僂儞僞丄俢俽俬倀

2.3.3 妱崬傒儅僗僋乛妱崬傒桪愭搙惂屼