[B-Free memo x]

۵Υᥫ˥
------------------------------


$Date: 2011/12/27 17:13:36 $
$Revision: 1.1 $

ƣδ


0. Ŭϰ

ܥɥȤϡB-Free 濴ˤǤ ITRON ǲ۵򥵥ݡȤ
Υǥ뤪Ӽ¸ˡˤĤƵҤΤǤ롣

 * ճˤǤβ۵ˤĤƤϵҤƤʤ

ܥɥȤ˵ҤƤϤޤǤƤǤꡢºݤ B-Free 濴
ˤβ۵ΤǤϤʤ

ܥɥȤФոϡΥᥤ륢ɥ쥹äƤۤ

ƣδ GGC00661@niftyserve.or.jp





1. ǥ

B-Free Ǥβ۵ǥ벽Τ : 1 ˼

ֿޡ1 B-Free Ǥβ۵Υǥ

۵ϡ꡼ (Region) Ȥñ̤Ǵ롣
ξδȤΤϡΰΥɥ쥹ʪΥޥå׾
ơɤ߽񤭤εĤɽ permission Ǥ롣

1ĤΥˤ1İʾΥ꡼ӤĤ뤳ȤǤ롣
ȤСBTRON ٥ǤΥ桼ץ(Υ)ϡץ
¹ʬ(ʬ)ƥȡ꡼ɤ߽񤭤뤿Υǡ
ǡ꡼(ºݤˤϡǡ꡼ϡ餯¹
ͤޤäƤѿ꡼ȡ¹ˤΰޤ
Ƥ꡼󤽤ơҡפΤ˻Ȥ꡼3ĤΥ꡼
ʬ)ƥåΰɽå꡼
ʣ Region ȷӤĤƤ롣

ʣΥ꡼ͭΤϡΤ褦롣

1) ꡼󤴤Ȥ permission Ǥ롣ΤȤˤäơƥ
   Ȥϼ¹Ԥɤ߽񤭤Ǥʤʤɤλ꤬Ǥ롣٤ƤҤȤ
   Υ꡼ˤƤޤȡpermission ϺǾܿŪʤΤˤʤä
   ޤ(Ĥޤꡢɤ//¹ԤΤ٤ƤĤ֤ˤʤäƤ
   ޤ)

2) ꡼۶֤Υ֤Ȥˤäơ꡼礭
   򹭤뤳ȤǤ롣Ĺ꡼ˤϥҡסåʤ
   롣

դˡʣ1ĤΥ꡼ͭƤ褤ξ硢ʣΥ
ͭ꡼ϡͭȤʤ(2)

ֿ2ʣζͭ

B-Free OS ǤϡǥեȤǥǡͭ뤳ȤϤʤץ
μ¹ʬˤĤƤϥǥեȤǶͭ롣ϡץμ
ʬξѹʤᡢͭƤ¾Υץ˱ƶ򤪤
ȤʤǤ롣
ץμ¹ʬѹ褦ʾ硢꡼ͭʤ褦
ƥ׵᤹ɬפ롣⤷ͭƤץμ¹ʬ
ѹ褦Ȥ硢ݸȿȤʤץϡλ롣

ʣΥ꡼󤬡۶֤ǽŤʤꤢȤϤǤʤ


2. ꡼

2.1 ꡼

꡼ϡǤǤդΥβ۶֤ΰΰǤ롣

꡼뤿ξˤϡμब롣

1) ꡼Ǵ벾۶ΰ
   ꡼󤬴롢۶֤ϼ3ĤΥѥ᡼ɽ
      ꡼γϲۥɥ쥹
      Ǿ
      祵
      礭Ѥʤ꡼ξˤϡǾ祵
      ƱͤȤʤ롣

2) permission
   ¹Բ/¹Բ
   񤭹߲/񤭹Բ
   ɤ߹߲/ɤ߹Բ

3) ʪΥޥåԥ󥰾
   ꡼ΥڡΤɤ줬ʪȥޥåԥ󥰤Ƥ뤫
   ޥåԥ󥰤Ƥˤʪ(ڡ)ֹ򵭲롣

4) եȥϥɥ
   եȤȯ硢ɤΤ褦˽뤫ꤹ


2.2 ꡼

ϡ꡼Ƥľ뤳ȤϤǤʤ
꡼Ƥѹ硢濴(ITRON)Υƥॳ¹Ԥ
ʤФʤ

濴ˤΤĥ꡼ؿɽ 1 ˼
Ȥ ITRON Ǥϡ۵ˤĤƤƤʤ
Τᡢ꡼ƥࡼ ITRON ǵꤷƤȼ
ॳȤƥƥॳ̾κǽ 'v' Ĥ


ɽ1꡼ؿ

vcre_reg	꡼
vdel_reg	꡼κ
vmap_reg	꡼Υޥå
vunm_reg	꡼Υޥå
vdup_reg	꡼ʣ
vprt_reg	꡼ΥץƥȾ
vshr_reg	֤ǤΥ꡼ζͭ
vput_reg	꡼ؤν񤭹
vget_reg	꡼󤫤ɤ߹
vsts_reg	꡼ξ
vmov_reg	꡼ΰư
vcop_reg	꡼Υԡ
vget_pag	ʪڡμ (allocate) 
vrel_pag	ʪڡֵ (deallocate)


A. ꡼ؿ

vcre_reg --- ꡼

ƤӽФˡ

	ER vcre_reg (start, min, max, perm, handle)


	start
	min
	max
	perm
	handle

֤͡
	ER

ǽ
	˽ä꡼롣



ջࡧ


vdel_reg --- ꡼κ

ƤӽФˡ



֤͡

ǽ



ջࡧ

ƤӽФˡ



֤͡

ǽ



ջࡧ




$Log: region.txt,v $
Revision 1.1  2011/12/27 17:13:36  liu1
Initial Version.

Revision 1.2  1994-09-13 16:41:53  night
$Revision: 1.1 $, $Date: 2011/12/27 17:13:36 $, $Log: region.txt,v $
$Revision$, $Date$, Revision 1.1  2011/12/27 17:13:36  liu1
$Revision$, $Date$, Initial Version.
$Revision$, $Date$, ޥɲ



