
         TOPPERS/JSPͥ 桼ޥ˥奢 
                    (NEC V850 ץå)
                Midas Lab : RTE-V850E/MA1-CB

        Release 1.2 бǽ: 15-Nov-2001

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

 Copyright (C) 2000,2001 by Embedded and Real-Time Systems Laboratory
                             Toyohashi Univ. of Technology, JAPAN

 嵭ԤϡFree Software Foundation ˤäƸɽƤ 
 GNU General Public License  Version 2 ˵ҤƤ狼
 ξΤ줫˸¤ꡤܥեȥܥեȥ
 ѤΤޤࡥʲƱˤѡʣѡۡʰʲ
 ѤȸƤ֡ˤ뤳Ȥ̵ǵ롥
 (1) ܥեȥ򥽡ɤηѤˤϡ嵭
     ɽѾ浪Ӳ̵ݾڵ꤬Τޤޤηǥ
     ˴ޤޤƤ뤳ȡ
 (2) ܥեȥѲǽʥХʥꥳɡʥ֥륪
     ȥե饤֥ʤɡˤηѤˤϡ
     ȼɥȡѼԥޥ˥奢ʤɡˤˡ嵭ɽ
     Ѿ浪Ӳ̵ݾڵǺܤ뤳ȡ
 (3) ܥեȥԲǽʥХʥꥳɤηޤϵ
     ߹ѤˤϡΤ줫ξȡ
   (a) ѤȼɥȡѼԥޥ˥奢ʤɡˤˡ嵭
       ɽѾ浪Ӳ̵ݾڵǺܤ뤳ȡ
   (b) Ѥη֤̤ˡˤäơ嵭Ԥ𤹤
       ȡ
 (4) ܥեȥѤˤľŪޤϴŪ뤤ʤ»
     ⡤嵭Ԥդ뤳ȡ

 ܥեȥϡ̵ݾڤ󶡤ƤΤǤ롥嵭Ԥϡ
 ܥեȥ˴ؤơŬѲǽޤơʤݾڤԤ
 ʤޤܥեȥѤˤľŪޤϴŪ
 ʤ»˴ؤƤ⡤Ǥʤ

 @(#) $Id: v850.txt,v 1.7 2001/11/15 14:32:45 takayuki Exp $
------------------------------------------------------------------------


ΥɥȤǤϡTOPPERS/JSP V850ǤˤĤƲ⤹롥

 V850 åȰ¸γ

1.1 åȥƥȳȯĶ

V850Ķμ¹ԴĶȤƤϡΤΤꤷƤ롥

    Midas lab. RTE-V850E/MA1-CB

ޤȯĶȤƼΤΤꤷƤ롥
    Soralis/BSD/Linux(POSIX) ޤ 
        Microsoft Windows(win32) + cygwin 1.1.0
    binutils 2.10 (v850-nec-elf)
    gcc 2.95.2 (v850-nec-elf)

­

TOPPERS/JSP V850γȯ δĶǹԤƤ롥

    Microsoft Windows XP Professional
    Redhat Inc. cygwin 1.3.5
    Vine Linux 2.2
    GNU binutils-2.10 v850-nec-elf
    GNU gcc-2.95.2 v850-nec-elf + newlib 1.8.2

1.2 ݡȤ뵡ǽγ

    vxget_tim
        V850ĶǤvxget_tim򥵥ݡȤ롥
        Ƥϥޥ󥿤֤ΤߤǤ롥

    ¿ų
        V850ĶǤϳߥϥɥ鵯ư¿ųߤĤ롥

    get_ipr [get_ixx]
        V850ĶǤϸ߼¹γͥ٤ʤȤ
        get_ipr򥵥ݡȤ롥

1.3 TOPPERS/JSP V850Ķ»

    chg_ixx
        V850ĶǤϳͥ٤ѹϥݡȳǤ

    ena_int, dis_int
        V850ĶǤϳߵġػߤϥݡȳǤ롥
        loc_cpuunl_cpuƱԤ

    CPU㳰ȳߤƱ
        V850ĶǤdef_excdef_intƱͤνԤ

    ѥ쥸 R2  ߥå쥸Ȥͽ
        ѥ쥸R2ϥץΤ̤Ѥ뤳ȤϤǤʤ
        JSPͥǤϡR2߻åݥ󥿤ȤѤƤ


V850Ķ˰¸ǽ

Ǥϡͥ뤪ӥƥॵӥεǽǡV850Ķ¸ʬ
ĤƲ⤹롥

2.1 ǡ

int  unsigned intΥ32ӥåȤǤ롥

ͥ٤ɽ뷿 IPR ʤ8ӥåǤ롥


ƥ˰¸ǽ

3.1 ޥå

RTE-V850E/MA1-CB
    0x00000000 - 0x0000038f : ٥ơ֥
    0x00000390 -            : ץॳ (ROM)
    0x00800000 -            : ץǡ (SDRAM)
    0x0fffc000 - 0x0fffe7ff : ƥॹå (¢RAM)

åΰ¢RAMΰ饢ɥ쥹ͤؿʤࡥ
ǡΰϽΰ褫饢ɥ쥹ͤäسݤ롥
 #ΤˤϾ8ӥåȤ϶֤ȤƤΰ̣ʤʤᡤ
 #¼16kBۤɳݤƤ롥

3.2 ¾Υƥ/åפؤΥݡƥ

ݡƥ󥰺ȤϼΥƥåפʤ롥
    ޥåץɥ쥸Υɥ쥹
    ޡͤ
    RAMϤ
    ˥륹åݥ󥿤

3.2.1 ޥåץɥ쥸Υɥ쥹

TOPPERS/JSP V850ĶǤϤĤ쥸򻲾ȤƤ롥
ƥƥ¸ѥǥ쥯ȥsys_defs.hƤ롥
ѼԤɬפ˱Ƥͤ뤳ȡ

3.2.2 ޡͤ

TOPPERS/JSP V850ĶǤɸ1msȤ˳ߤȯƤ롥

ߤȯޤǤλ֤ϥޥڥ쥸ͤޥ˥奢
äĴ뤳Ȥǵ뤳ȤǤ롥

config/v850/rtev850ema1cb/sys_defs.h:52

	/* RTE-V850E/MA1-CB 50MHz  1msec */
#define TIMER_PORT            0
#define TIMER_INT_PRIORITY    0
#define TIMER_PRESCALER       2      /* clk = f/16 */
#define TIMER_COMPAREVALUE    3125

ޤƥåΤsys_defs.h:138,139TIC_NUME
TIC_DENO롥줾ϼ˽

ƥå(ms) = TIC_NUME(ms) / TIC_DENO(ms)

3.2.3 RAMϤ

config/v850/rtev850ema1cb/v850elf.ldMEMORYƤ뤳Ȥǡ
ΥӰ֤Ѥ뤳ȤǤ롣ޤƥˤ 
"> SDRAM" ޤ "> EXTROM"Ѥ뤳Ȥǡ֤֤Ѥ뤳ȤǽǤ롣

3.2.4 ˥륹åݥ󥿤

ưꤵåݥ󥿤Ϥconfig/v850/rtev850ema1cb/sys_
config.h:66STACKTOP˵ҤƤ롥STACKTOPˤ4Хȥ饤
줿ͤǼ롥

config/v850/(sys)/sys_config.h:66
	#define	STACKTOP 0x0fffe800	/* 󥿥ƥѤΥåν */

åϥץǥȥåǤ뤿ᡤSTACKTOPǼ줿ɥ쥹
ˤϲǼʤȤդ줿

3.2.5 ¾

    ޳ߤֹ
        config/v850/(sys)/hw_timer.h:52 INHNO_TIMER
            ޤȯߤֹ


ȯĶι

ȯĶιˡˤĤƤϡGNUȯĶۥޥ˥奢򻲾Ȥ뤳ȡ


¾

5.1 ǥ쥯ȥꡦե빽

1.4 TOPPERS/JSP Windows-HAL ե

[jsp]
  +- [doc]
  |   +- v850.txt  : Υե
  +- [config]
      +- [v850]
          +- cpu_config.h    : ץå¸⥸塼
          +- cpu_config.c    : ץå¸⥸塼
          +- cpu_context.h   : ƥ롼
          +- cpu_defs.h      : CPU¸ե
          +- cpu_support.S   : CPU¸֥饳ǥ
          +- Makefile.config : CPU¸Makefile
          +- makeoffset.c    : ¤ΥեåȰּ
          +- start.S         : ȥå / ߥϥɥ
          +- v850asm.inc     : ֥ѥ󥯥롼ɥե
          +- [rtev850ema1cb]
              +- Makefile.config : ƥ¸Makefile
              +- hw_timer.h      :    (V850E¢D)
              +- hw_serial.h     : ꥢ (V850E¢ƱSIO)
              +- sys_config.h    : ƥ¸⥸塼
              +- sys_config.c    : ƥ¸⥸塼
              +- sys_defs.h      : ƥ¸ե
              +- sys_support.S   : ƥ¸֥
              +- v850elf.ld      : 󥫥ץ


С
	2001ǯ1115  Release 1.2
		RTE-V850E/MA1-CBΥݡ

	2001ǯ 223  Release 1.1
		TOPPERS/JSP release 1.1 ˹碌Ƥ
		gcc -ffix-REG¸ߤΤꡢʸϤMakefile

    2000ǯ1127  Release 1.0
        ɥȴ
        롼 쥸2ʬ
        ǥѥå㤬ʤֻΥå
            ѤƤޤХ

    2000ǯ1119  Release 0.9
        ǽΥ꡼
