?ط?

ppbus ?Τ????????򤵤줿?ѥ??????ݡ??ȥ??ǥ??? PC ?ѥ??????ݡ??ȥ??ǥ??Ǥ??? ???äơ????Dz??⤵???뤢???????쥸?????ϡ?PC ?ѥ??????ݡ??Ȥ??Фˤʤ????Τ? Ʊ?????ޥ??ƥ????????????ޤ??? ????¿???? ISA/ECP ?ץ??????ߥ󥰤ˤĤ??Ƥξ????ˤĤ??Ƥϡ? "Extended Capabilities Port Protocol and ISA interface Standard" ?Ȥ??ƻ??Ȥ????? Microsoft ɸ???????ꤷ?Ƥ????????? ???Ҥ????쥸??????ɸ???Υѥ??????ݡ??ȥ쥸?????Ǥ???

?ޥ????ޥ????ϡ??ѥ??????ݡ??ȥ쥸?????θġ???ͭ???ʥӥåȤΤ????? ɸ?? ppbus ???󥯥롼?ɥե????????????????????Ƥ??ޤ???

?ǡ????쥸????

?????ѥ??֥??⡼?ɤޤ??ϥ˥֥??⡼?ɤǤϡ????Υ쥸?????ؤν񤭹??ߤ? ?ѥ??????ݡ??ȤΥǡ??????ؽ??Ϥ????ޤ??? ????¾?Υ⡼?ɤǤϡ??????ʤ??????쥸?????????????ӥå? (PDC) ???????ˤ??äơ? ?ȥ饤???ơ??? (3 ????) ?ˤʤ뤳?Ȥ??Ǥ??ޤ??? ???Υ쥸?????ؤ??ɤ߹??ߤϥǡ??????????ͤ??֤??ޤ???

?ǥХ??????֥쥸????

?????ɼ??????ѥ쥸?????ϥѥ??????ݡ??ȥ??󥿥ե????????????Ϥ?ȿ?Ǥ??ޤ???

????¾??ͽ???Ѥߤǡ??ɹ??߻??η??̤?̤?????Ǥ???

?ǥХ????????쥸????

???Υ쥸??????ľ??Ū?˴??Ĥ??ε?ǽ??ͭ?????Ϥ????????? ???Ĥ??ν??Ͽ????????椷?ޤ???

????

?ޥ????????󥹥ȥ饯?????? ?ϥѥ??????ݡ??ȤΥ??????????ץ????????η????֤??????֥ޥ??????????????? ?ޤ??? C ?θƤӽФ??Ǥ??? ?ѥ??????ݡ??Ȥ? ppbus(4) ?Dz??⤵???Ƥ??????????ǥ??Ȥߤʤ????ʤ????Фʤ??ޤ?????

???Ѳ?ǽ?ʥޥ????????????󥹤ϰʲ??ΤȤ????Ǥ???

#define MS_OP_GET       0	/* get <ptr>, <len>			*/
#define MS_OP_PUT       1	/* put <ptr>, <len>			*/
#define MS_OP_RFETCH	2	/* rfetch <reg>, <mask>, <ptr>		*/
#define MS_OP_RSET	3	/* rset <reg>, <mask>, <mask>		*/
#define MS_OP_RASSERT	4	/* rassert <reg>, <mask>		*/
#define MS_OP_DELAY     5	/* delay <val>				*/
#define MS_OP_SET       6	/* set <val>				*/
#define MS_OP_DBRA      7	/* dbra <offset>			*/
#define MS_OP_BRSET     8	/* brset <mask>, <offset>		*/
#define MS_OP_BRCLEAR   9	/* brclear <mask>, <offset>		*/
#define MS_OP_RET       10	/* ret <retcode>			*/
#define MS_OP_C_CALL	11	/* c_call <function>, <parameter>	*/
#define MS_OP_PTR	12	/* ptr <pointer>			*/
#define MS_OP_ADELAY	13	/* adelay <val>				*/
#define MS_OP_BRSTAT	14	/* brstat <mask>, <mask>, <offset>	*/
#define MS_OP_SUBRET	15	/* subret <code>			*/
#define MS_OP_CALL	16	/* call <microsequence>			*/
#define MS_OP_RASSERT_P	17	/* rassert_p <iter>, <reg>		*/
#define MS_OP_RFETCH_P	18	/* rfetch_p <iter>, <reg>, <mask>	*/
#define MS_OP_TRIG	19	/* trigger <reg>, <len>, <array>	*/

?¹ԥ????ƥ?????

?ޥ????????󥹥ȥ饯???????? ?¹ԥ????ƥ????? ?ϰʲ??ΤȤ????Ǥ???

• ?ᥤ???Υޥ????????????󥹤????ޤ??ϥ??֥??????????Ρ??¹Ԥ??뤿???? ???Υޥ????????󥹥ȥ饯?????????ؤ????? ?ץ??????५??????
• ????/???????뤿???μ???ʸ?????ؤ????? ptr ?θ??ߤ???
• ?????? ʬ???쥸???? ?θ??ߤ???

???Υǡ????????ƤǤϤʤ????Ĥ??Υޥ????????󥹥ȥ饯???????ˤ??ä? ?ѹ??????ޤ???

MS_OP_GET ?????? MS_OP_PUT

???????Ѥߤ?ɸ?? IEEE1284-1994 ž???ޤ??ϥץ??????व?줿??ɸ???? ?????ϤΤ????줫???Ԥʤ??????˻??Ѥ??????ޥ????????󥹥ȥ饯???????Ǥ???

MS_OP_RFETCH - ?쥸????????

?ϥѥ??????ݡ??ȥ쥸?????θ??ߤ??ͤ??????Ф????ޥ?????Ŭ?Ѥ??? ???????Хåե?????¸???뤿???˻??Ѥ????ޤ???

?ѥ??᡼??:

1. ?쥸????
2. ʸ???ޥ???
3. ?Хåե??ؤΥݥ?????

?????Ѥߥޥ???: MS_RFETCH(reg,mask,ptr)

MS_OP_RSET - ?쥸????????

?? 2 ?ĤΥޥ?????Ŭ?Ѥ??줿???ġ??Υѥ??????ݡ??ȥ쥸?????δ??Ĥ??? ?ӥåȤ򥢥?????/???ꥢ???뤿???˻??Ѥ????ޤ???

?ѥ??᡼??:

1. ?쥸????
2. ???????Ȥ??????٤??ӥåȤΥޥ???
3. ???ꥢ???????٤??ӥåȤΥޥ???

?????Ѥߥޥ???: MS_RSET(reg,assert,clear)

MS_OP_RASSERT - ?쥸????????????

?ϸġ??Υѥ??????ݡ??ȥ쥸?????????ƤΥӥåȤ򥢥????Ȥ??뤿???˻??Ѥ????ޤ???

?ѥ??᡼??:

1. ?쥸????
2. ???????Ȥ??????٤??Х???

?????Ѥߥޥ???: MS_RASSERT(reg,byte)

MS_OP_DELAY - ?ޥ??????ä??ٱ?

?ϥޥ????????????󥹤μ¹Ԥ??ٱ??Τ????˻??Ѥ????ޤ???

?ѥ??᡼??:

1. ?ޥ???????ñ?̤??ٱ?????

?????Ѥߥޥ???: MS_DELAY(delay)

MS_OP_SET - ????ʬ???쥸??????????

????????ʬ???쥸???????ͤ????ꤹ?뤿???˻??Ѥ??ޤ???

?ѥ??᡼??:

1. ??????

?????Ѥߥޥ???: MS_SET(accum)

MS_OP_DBRA - ʬ???μ¹?

????????ʬ???쥸?????? 1 ???餵?줿???̤??ͤ????Ǥ????????? ʬ?????뤿???˻??Ѥ????ޤ???

?ѥ??᡼??:

1. ???߼¹Ԥ??줿 (????) ?ޥ????????????󥹤??????Υ??ե??åȡ? ???ե??åȤϼ??˼¹Ԥ??????ޥ????????󥹥ȥ饯???????? ?????ǥå??????ɲä????ޤ???

?????Ѥߥޥ???: MS_DBRA(offset)

MS_OP_BRSET - ???åȻ???ʬ??

?ϥѥ??????ݡ??Ȥξ??֥쥸?????ΥӥåȤδ??Ĥ??????åȤ????Ƥ????????? ʬ?????뤿???˻??Ѥ????ޤ???

?ѥ??᡼??:

1. ???֥쥸?????Υӥå?
2. ???߼¹Ԥ??줿 (????) ?ޥ????????????󥹤??????Υ??ե??åȡ? ???ե??åȤϼ??˼¹Ԥ??????ޥ????????󥹥ȥ饯???????? ?????ǥå??????ɲä????ޤ???

?????Ѥߥޥ???: MS_BRSET(mask,offset)

MS_OP_BRCLEAR - ???ꥢ????ʬ??

?ϥѥ??????ݡ??Ȥξ??֥쥸?????ΥӥåȤδ??Ĥ??????ꥢ?????Ƥ????????? ʬ?????뤿???˻??Ѥ????ޤ???

?ѥ??᡼??:

1. ???֥쥸?????Υӥå?
2. ???߼¹Ԥ??줿 (????) ?ޥ????????????󥹤??????Υ??ե??åȡ? ???ե??åȤϼ??˼¹Ԥ??????ޥ????????󥹥ȥ饯???????? ?????ǥå??????ɲä????ޤ???

?????Ѥߥޥ???: MS_BRCLEAR(mask,offset)

MS_OP_RET - ????

?ϥޥ????????????󥹤??????뤿???˻??Ѥ????ޤ??? ???δؿ???ɬ?ܤǤ??? ?????ϥޥ????????????󥵤??ޥ????????????󥹤ν??????򸡽Ф???ͣ??????ˡ?Ǥ??? ppb_MS_microseq() ?? (int *) ?ѥ??᡼???ˤ??äƻؤ??????????ˡ? ?꥿???󥳡??ɤ??֤????ޤ???

?ѥ??᡼??:

1. ?????Υ꥿???󥳡???

?????Ѥߥޥ???: MS_RET(code)

MS_OP_C_CALL - C ?ؿ??θƤӽФ?

?ϥޥ????????????󥹤μ¹Ԥ??? C ?ؿ????ƤӽФ??????˻??Ѥ????ޤ??? ?????ϥѥ??????ݡ??Ȥ????ǡ???ʸ?????????Ф?????????ɸ?????????Ϥ??¹? ???????Ȥ???ͭ?Ѥ??⤷???ޤ?????

?ѥ??᡼??:

1. ?ƤӽФ??٤? C ?ؿ?
2. ?ؿ??ƤӽФ??Τ??????Ϥ??????ѥ??᡼??

C ?ؿ??? int(*)(void *p, char *ptr) ???????????뤳?ȤˤʤäƤ??ޤ??? ptr ?ѥ??᡼???ϸ????????????Ƥ????Хåե??????θ??߰??֤Ǥ???

?????Ѥߥޥ???: MS_C_CALL(func,param)

MS_OP_PTR - ?????ݥ??󥿤ν?????

?ϸ????????????Ƥ????Хåե??ؤ??????ݥ??󥿤??????????ޤ??? ???Υݥ??󥿤Ϥ??????? C ?ƤӽФ????Ϥ????ޤ? (?嵭?򻲾Ȥ??Ƥ???????)??

?ѥ??᡼??:

1. xxx_P() ?ޥ????????????󥹤θƤӽФ??ˤ??äƥ????????????뤳?ȤˤʤäƤ??? ?Хåե??ؤΥݥ??󥿡? ???Υݥ??󥿤? xxx_P() ?ƤӽФ??δּ?ưŪ?????䤵???뤳?Ȥ????դ??Ƥ?????????

?????Ѥߥޥ???: MS_PTR(ptr)

MS_OP_ADELAY - ??Ʊ???ٱ??μ¹?

?ϥޥ????????????󥹤μ¹Ԥδ֤? tsleep() ???뤿???˻??Ѥ????ޤ??? ???? tsleep ?? PPBPRI ???٥??Ǽ¹Ԥ????ޤ???

?ѥ??᡼??:

1. ?ߥ???ñ?̤Ǥ??ٱ?????

?????Ѥߥޥ???: MS_ADELAY(delay)

MS_OP_BRSTAT - ???֤ˤ???ʬ??

?Ͼ??֥쥸?????ξ??֤?ʬ?????뤿???˻??Ѥ????ޤ???

?ѥ??᡼??:

1. ???????Ȥ??줿?ӥåȤΥޥ????? ???֥쥸?????????Υ??????Ȥ??????Ϥ??ΥӥåȤ??ޥ????˥??åȤ????ޤ???
2. ???ꥢ???줿?ӥåȤΥޥ????? ???֥쥸?????????Υ??ꥢ???????Ϥ??ΥӥåȤ??ޥ????˥??åȤ????ޤ???
3. ???߼¹Ԥ??줿 (????) ?ޥ????????????󥹤??????Υ??ե??åȡ? ???ե??åȤϼ??˼¹Ԥ??????ޥ????????󥹥ȥ饯???????? ?????ǥå??????ɲä????ޤ???

?????Ѥߥޥ???: MS_BRSTAT(asserted_bits,clear_bits,offset)

MS_OP_SUBRET - ???֥ޥ????????????󥹤???????

?ϥ??֥ޥ????????????󥹤θƤӽФ????????뤿???˻??Ѥ????ޤ??? ???ι?ư?? RET ?θƤӽФ???????ɬ?ܤǤ??? ???Ĥ??Υޥ????????󥹥ȥ饯?????? (PUT, GET) ?ϥ??֥ޥ????????????󥹤? ?????ǤϸƤӽФ???ǽ?ǤϤʤ????⤷???ޤ?????

?ѥ??᡼???Ϥ????ޤ?????

?????Ѥߥޥ???: MS_SUBRET()

MS_OP_CALL - ???֥ޥ????????????󥹤θƤӽФ?

?ϥ??֥ޥ????????????󥹤??ƤӽФ??????˻??Ѥ????ޤ??? ???֥ޥ????????????󥹤? SUBRET ?θƤӽФ???ȼ?ʤ??ޥ????????????󥹤Ǥ???

?ѥ??᡼??:

1. ?¹Ԥ??????٤????֥ޥ???????????????

?????Ѥߥޥ???: MS_CALL(microseq)

MS_OP_RASSERT_P - ???? PTR ?????쥸?????ؤΥ???????

???????? PTR ?ݥ??󥿤ˤ??äƸ??߻ؤ????Ƥ????ǡ????ǥ쥸?????? ???????Ȥ??뤿???˻??Ѥ????ޤ???

?ѥ??᡼??:

1. ?쥸?????˽????ि???Υǡ?????
2. ?쥸????

?????Ѥߥޥ???: MS_RASSERT_P(iter,reg)

MS_OP_RFETCH_P - ???? PTR ?ؤΥ쥸?????ե??å?

?ϥ쥸?????????ǡ??????ɹ??ि???˻??Ѥ????ޤ??? ?ǡ??????????? PTR ?ݥ??󥿤ˤ??äƸ??߻ؤ????Ƥ????Хåե?????¸?????ޤ???

?ѥ??᡼??:

1. ?쥸?????????ɹ??ि???Υǡ?????
2. ?쥸????
3. ?ɹ??ޤ줿?ǡ?????Ŭ?Ѥ??????ޥ???

?????Ѥߥޥ???: MS_RFETCH_P(iter,reg,mask)

MS_OP_TRIG - ?쥸?????Υȥꥬ

?ϥѥ??????ݡ??Ȥ??ȥꥬ???뤿???˻??Ѥ????ޤ??? ???Υޥ????????󥹥ȥ饯???????ϥѥ??????ݡ??ȤΤȤƤ???ΨŪ???????? ?󶡤??տޤ????Ƥ??ޤ??? ?쥸?????Υȥꥬ?ϥǡ????????ߡ????????????ȡ??ǡ????????ߡ? ???????????? ... ?Ǥ??? ?????ϥݡ??Ȥإޥ??å????????󥹤??????ळ?Ȥ???ǽ?ˤ??ޤ???

?ѥ??᡼??:

1. ?쥸?????˽????ޤ????ǡ?????
2. ?쥸????
3. ???????礭??
4. unsigned char ???????? ?ġ??? u_char ???Ȥϥ쥸?????˽??????٤??ǡ????????? ?ޥ???????ñ?̤ǤΥ??????Ȥ????٤??ٱ????֤Ǥ??? ?ٱ????֤ϴ?ñ???????????????礭???ν̾??Τ????? 255 ?ޥ??????äޤǤ? ???¤????Ƥ??ޤ???

?????Ѥߥޥ???: MS_TRIG(reg,len,array)

C ??¤??

union ppb_insarg {
     int     i;
     char    c;
     void    *p;
     int     (* f)(void *, char *);
};

struct ppb_microseq {
     int                opcode;    /* ?ޥ????????󥹥ȥ饯?????? opcode */
     union ppb_insarg   arg[PPB_MS_MAXARGS];    /* ???? */
};

?ޥ????????????󥹤λ???

?ޥ????????????󥹤????β????뤿???ˤϡ?ppb_microseq ??¤?Τ??????? ????????ɬ?פ˱????ƽ??????????????Ǥ??? ?????ѤߤΥޥ????ޤ??? ppb_microseq ???????˽??ä??ȼ??? ?ޥ????????󥹥ȥ饯???????Τ????줫?????ѤǤ??ޤ??? ?㤨?С?

     struct ppb_microseq select_microseq[] = {

	     /* ?ѥ??᡼???ꥹ??
	      */
	     #define SELECT_TARGET    MS_PARAM(0, 1, MS_TYP_INT)
	     #define SELECT_INITIATOR MS_PARAM(3, 1, MS_TYP_INT)

	     /* ???Ϥ??뤿???????򥳥ޥ??ɤ????? */
	     MS_DASS(MS_UNKNOWN),
	     MS_CASS(H_nAUTO | H_nSELIN |  H_INIT | H_STROBE),
	     MS_CASS( H_AUTO | H_nSELIN |  H_INIT | H_STROBE),
	     MS_DASS(MS_UNKNOWN),
	     MS_CASS( H_AUTO | H_nSELIN | H_nINIT | H_STROBE),

	     /* ???Ϥν??????Ǥ????ޤ??Ԥ??ޤ? */
	     MS_SET(VP0_SELTMO),
/* loop: */     MS_BRSET(H_ACK, 2 /* ready */),
	     MS_DBRA(-2 /* loop */),
/* error: */    MS_RET(1),
/* ready: */    MS_RET(0)
     };

?????ǡ????Ĥ??Υѥ??᡼????̤?????ǥޥ????????????󥹤μ¹Ԥ????? ?????????ʤ????Фʤ??ޤ????? ?ġ??Υޥ????????????󥹤??????????뤿???ˡ?ppb_MS_init_msq() ?ؿ??? ?ʲ??Τ褦?˻??Ѥ????٤??Ǥ???

     ppb_MS_init_msq(select_microseq, 2,
		     SELECT_TARGET, 1 << target,
		     SELECT_INITIATOR, 1 << initiator);

???줫???ޥ????????????󥹤??¹Ԥ??ޤ???

?ޥ???????????????

?ޥ????????????󥵤? ppbus ???٥??ޤ??ϥ????ץ????٥? (ppbus ?? ?????ƥ??쥤???ˤĤ??Ƥξ????? ppbus(4) ?򻲾Ȥ??Ƥ???????) ?Τ????줫?Ǽ¹Ԥ????ޤ??? ?ޥ????????????󥵤??ؤ??ɤϡ?ppbus ???饢???ץ??ؤδؿ??ƤӽФ??? ?????Хإåɤ??򤱤뤿???ˡ?ppc ???٥??Ǽ¹Ԥ????ޤ??? ????????????ž???? IEEE1284-1994 ?˹??פ??Ƥ????Τ?ȿ???ơ? ?????Ĥ??η??ޤ꤭?ä??ͤʵ?ǽ?? ppbus ?쥤???Ǽ¹Ԥ????ޤ???