Iec 62014-4-2015.Pdf

IEC 6201 4 4 Edition 1 0 201 5 03 INTERNATIONAL STANDARD IP XACT, Standard Structure for Packaging, Integrating, and Reusing IP within Tool Flows IE C 6 2 0 1 4 4 2 0 1 5 0 3 (e n ) IE E E S td 1 6 8[.]

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About t he IEC

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Cont ents

1 Ov erv iew .1

1.1 Sco e 1

1.2 Purpose 2

1.3 Desig en v iron m en t 2

1.4 IP-X A CT En a bled im plem en ta tion s 6

1.5 Con v en t ion s u sed .7

1.6 Use of color in th is st a n da rd 12 1.7 Con ten t s of t h is st a n da rd 12 2 Norm a tiv e refren ces .1

3 Dein ition s, a cron y m s, a n d a bbrevia tion s 1

3.1 Dein it ion s 1

3.2 A cron y m s a n d a bbrevia tion s 21

4 In teropera bi t y u se m odel 23

4.1 Roles a n d resp n sibi t ies .23

4.2 IP-XA CT IP exch a n ge flows 2

5 In terfa ce defin ition description s 2

5.1 Dein ition d escript ion s 2

5.2 Bu s defin itio 2

5.3 A bst ra ct io defin it io 30

5.4 Port s .3

5.5 W ire p rt s .32

5.6 Qu a lifiers 34

5.7 W ire p rt group 36

5.8 W ire p rt m ode con stra in t s 38

5.9 W ire p rt m irrored -m od e con st ra in ts .39

5.10Tra n sa ct ion a l p rt s 41

5.1 Tra n sa ct ion a l p rt group 43

5.12Exten din g bus a n d a bstra ct ion d efin ition s 4

5.1 Clock a n d reset h a n d lin g 4

6 Com pon en t description s 4

6.1 Com pon en t 4

6.2 In terfa ces 52

6.3 In terfa ce in t ercon n ect ion s .52

6.4 Com plex in terfa ce in tercon n ection s 54

6.5 Bus in t erfa ces 56

6.6 Com pon en t ch an n els 6

6.7 Addres spa ces 6

6.8 Mem ory m a ps .81

6.9 Rem a ppin g 9

6.10Registers 10

6.1 Mod els .12

6.12Com pon en t gen era tors .1 1

6.1 Fie sets 1 3

6.14Ch oic s .165

7.2 Desig com pon en t in sta n ces .173

7.3 Design in t ercon n ect ion s 175

7.4 Active, m on it ored , a n d m on it or in t erfa ces 17

7.5 Design a d h oc con n ect ion s 17

7.6 Desig h iera rch ica l con n ect ion s .18

8 A bst ra ctor descript ion s 183

8.7 A bst ra ct or gen era t ors 195

9 Gen era t or ch a in description s 19

9.1 gen era torCh a in .19

9.2 gen era torCh a in Sele tor 2 1

9.3 gen era torCh a in com pon en t sele t or 2 2

9.4 gen era t orCh a in gen era t or 2 3

10 Design con figura tio descript ion s 2 7

10.1Design con figu ra t io 2 7

10.2design Con figu ra t io 2 7

10.3gen era torCh a in Con figu ra tio 2 9

10.4in tercon n ection Con figura t io 21

1 A d dres in g a n d da ta v isibi ty .21

1 1Ca lcula tin g th e bi a ddres of a bi in a m em ory m a p .21

1 2Ca lcula tin g t h e bu s a dd res a t t h e sla v e bu s in terfa ce .214

1 3A d dres m odifica tion s of a n in tercon n ectio 214

1 4A d dres m od ifica tion s of a ch a n n el 21

1 5Add res in g in t h e m a st er .216

1 6Visibi t y of bit s 216

1 7A d dres t ra n sla tion in a bridge 218

An n ex A (in form a tiv e) Biblo ra ph y .219

An n ex B (n orm a t ive) Sem a n t ic con sisten cy ru les 2 1

A n n ex C (n orm a tive) Com m on elem en ts a n d con cepts 2 5

A n n ex D (n orm a tive) Ty pes 2 3

An n ex E (n orm a t iv e) Depen d en cy XPATH 2 7

A n n ex F (in form a t iv e) Ext ern a l bus w ith a n in tern a l/d igit a l in terfa ce .2 1

An n ex G (n orm a tiv e)Tigh t gen era t or in t erfa ce 2 3

An n ex H (in form a tiv e) B d ges a n d ch a n n els 3 1

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IEEE Std 16 5-2 0

te h ic l c mmite 91: Ele tro ics as embly te h olo y, u d r th IEC/IEEE Du l L g

IEEE St d 1685

TM

- 20 9

A MBA is a re ist ere tra emark f ARM Limite

De ig Compier a d V CS are re ist ere t ra emark s of Sy o sy s,Inc

Sy st emC is a re ist ere t ra emark s of Op n Sy st emC Init iat iv e, Inc in t he Unit ed St at es a d ot her c ou t rie

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W 3C is a re ist ere t ra emark f t he W orld W id W eb Co s rt ium

Grateful ac k now led ment is made t o The SPIRIT Con ort ium, Inc , for p rmis ion t o u e t he

folow in sourc e mat erial:

IP-X A CT 1.2 an IP-X ACT 1.5

A bstra t: Conforman e c hec k s for eX ten ible Mark up L n uage (X ML) dat a desig ed to des rib

elect ronic s st ems are formulat ed by this st an ard The met a-dat a forms t hat are st an ardized

in lu e: comp nents, s st ems, bu int erac es an con ect ion , a st rac t ion of those bu es, an

det ais of t he c omp nents inc lu in ad res ma s, register an field desc ript ion , an fie set

desc ription for u e in automat in desig , v erificat ion, doc umentation, an u e flow s for elect ronic

s st ems A set of X ML s hemas of t he form desc rib dby the World W ide W eb Con ortium (W3C

®

)

an a set of semantic c on istenc y rules (SCRs) are inc lu ed A generat or int erac e that is p rta le

acros t ool env ironment s is provided The sp cified combinat ion of met hodology -in e en ent

met a-data an the t ool-in e en ent mec hanism for acc es in t hat data prov ides for p rt abi t y of

desig data, desig met hodologies, an en ironment implementat ion

Keyw ord : a st rac t ion definit ion , ad res sp ce sp cificat ion, bu definition , desig

en ironmen EDA , elec tronic desig aut omation, elec tronic sy stem lev el, ESL, implementat ion

c on t raint s, IP-X ACT, register t ran fer lev el, RTL, SCRs, semant ic con istenc y rules, TGI t ig t

generat or int erac e, t ool an dat a int ero era i t y , u e models, X ML desig met a-dat a, X ML

sc hema

IEEE Introduction

Th e purpose of th is sta n da rd is t o provide th e ele tron ic design a u tom a tio (EDA ), sem icon du ctor,

ele t ron ic design in t ele tua l propert y (P) prov ider, a n d sy st em desig com m u n it ies w ith a w el d efin ed

a n d u n ified spe ifica tio for t h e m et a -da ta t h a t represen ts t h e com pon en t s a n d design s w it h in a n ele t ron ic

sy stem Th e g a l of th is spe ifica tio is to en a ble delv ery of com pa t ible IP description s from m ultiple IP

v en d ors; bett er en a ble im portin g a n d ex ortin g com plex IP bun d les to, from , a n d bet we n EDA tools for

sy stem o ch ip (SoC) desig en v iron m ents (DEs); better ex res con figura ble IP b usin g IP m eta -da ta ; a n d

bett er en a ble prov ision of EDA v en d or-neut ra l IP crea tio a n d con figura tio scripts (ge ne a tors) Th e d a ta

a n d da t a a cc s spe ifica t ion is design ed to coexist a n d en h a n ce t h e h a rd w a re descriptio la n gua ges (HDLs)

presen tly used by d esign ers w hie providin g ca pa bi ties la ckin g in th ose la n gu a ges

Th e S IRIT Con sort ium is a con sort ium of ele tronic sy st em , IP prov ider, sem icon d uct or, a n d EDA

com pa n ies IP-XACT en a bles a prod uct iv it y b ost n design , tra n sf r, v a lida t ion , docum en ta tion ,a n d use of

ele tron ic IP a n d cov ers com pon en ts, d esign s, in t erfa ces, a n d d eta ils t h ereof Th e da ta spe ified b

IP-X A CT is ext en sible in loca t ion s spe ified in th e sch em a

IP-X ACT en a bles th e u se of a un ified structure for th e m et a spe ifica tio of a d esign , com pon en ts,

in terfa ces, d ocum en t a tion , a n d in tercon n ectio of com pon en ts Th is structure ca n be used a s t h e ba sis of

b th m a n ua l a n d a u tom a tic m eth odolo ies IP-XA CT spe ifies th e tigh t gen era t or in t erfa ce (TGI) for a cc s

to th e da t a in a ven dor-in depen den t m a n n er

Th is sta n da rdiza tio proje t provides ele tron ic desig en gin eers w it h a w el d efin ed sta n da rd th a t m eets

th eir requirem en ts in stru ctured d esig a n d va lida tion , a n d en a bles a step fu n ctio in crea se in th eir

produ ctiv ity Th is sta n da rdiza tio proje t w il a lso prov id e th e EDA in du st ry w ith a sta n d a rd to w h ich th ey

ca n a d h ere a n d th a t t h ey ca n su pp rt in order to d elv er th eir olution s in t h is a rea

Th e S IRIT Con sortium h a s prepa red a set of bus a n d a bst ra ction defin ition s for ev era l com m on bu ses It s

ex e ted, o er t im e, th a t th ose sta n da rds groups a n d m a n ufa cturers wh o d efin e buses wi in clu de IP-X A CT

eXten sible Ma rku p La n gua ge (X ML) bus a n d a bstra ct io defin ition s in th eir set of delv era bles U n til th a t

tim e, a n d to cov er exist in g use ul bu ses, a set of bus a n d a bst ra ct io defin it ion s for com m on buses h a s be n

crea t ed

A set of refren ce bus a n d a bstra ction defin ition s a llows m a n y ven dors wh o defin e IP u sin g th ese buses to

ea siy in tercon n ect IP t ogeth er Th e S IRIT Con sort ium p sts th ese for use b its m em bers, with n o

w a rra n t y of suita bi ty , but in t h e h ope th a t t h ese w il be u seu l Th e S IRIT Con sort ium wi , from t im

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Th ese refren ce bus a n d a bstra ctio defin itio tem plates (w ith com m en ts a n d exa m ples) a re a v a ila ble from

th e publc a rea ofTh e S IRIT Con sortium Web sit e

a

a

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IP- XA CT,

IMPO RTANT NO TICE: This stan ard is not inte nde d to e nsure safe ty , se c urity , he alh, or

e nv ironme ntal prote ction in al c irc umstanc e s Imple me nte rs ofthe stan ard are re sp nsible for

de te rminin a pro riate safe ty , se c urity ,e nv ironme ntal, an he alh prac tic e s or re gulatory re quire me nts

This IE E doc ume nt is made av aila le for use subje c t to imp rtant notic e s an le gal disc laime rs The se

notic e s an disc laime rs a pe ar in al public ations c ontainin this doc ume nt an ma b fou d u de r the

he adin “Imp rtant Notic e ” or “Imp rtant Notice s an Disc laime rs Conc e rnin IEEE Doc ume nts.” The y

c an also b o taine d on re que st from IEEE or v ie we d at htp:/ tan ard ie e e org/IP /disc laimers.html

Th is cla use ex la in s th e sco e a n d purpose of th is sta n da rd ; giv es a n o erv iew of th e ba sic con cepts, m a jor

sem a n t ic com pon en t s, a n d con v en tion s u sed in th is st a n da rd; a n d sum m a riz s its con t en ts

Th is sta n da rd describes a n eX ten sible Ma rkup La n gua ge (X ML) sch em a

1

for m eta -da t a docum en tin g

i ntele tua l pro e ty (P) used in th e dev elo m en t , im plem en ta tion , a n d v erifica tion ofele tron ic sy stem s

a n d a n a pli ca ti on progra mmi ng i nte fa ce (A PI) to provide tool a cc s to th e m eta -da t a Th is sch em a

provides a sta n da rd m eth od t o docu m en t IP th a t is com pa t ible w it h a u tom a ted in t egra tio tech n iqu es.Th e

A PI prov ides a st a n da rd m eth od for ln kin g t ools in t o a sy stem dev elo ment fra m ework, en a bln g a m ore

flexible, o tim iz d dev elo m en t en viron m en t To ls com pla n t w it h th is sta n da rd w il be a ble to in terpret,

con figure, in t egra t e, a n d m a n ipula te IP blocks th a t com ply with t h e IP m et a -da t a descript ion Th e sta n da rd

is ba sed o v ersion 1.4 IP-X A CT of Th e S IRIT Con sort ium Th e st a n da rd is in depen den t of a n y spe ific

desig proc s es It does n ot co er th ose beh a v iora l ch a ra cteristics of th e IP th a t a re n ot relev a n t t o

in tegra tion

1

n form atio o re ren ces can be foun d in Clause

1.2 Purpose

Th is sta n d a rd en a bles t h e crea t ion a n d exch a n ge of IP in a h igh ly a u tom a ted desig en v iron m en t

1.3 Design e v ironme t

Th e IP-XA CT spe ifica t ion is a m ech a n ism to ex res a n d exch a n ge in form a tio a bout desig IP a n d its

required con figura t ion

2

W h ile t h e IP-X ACT descript io form a ts a re th e core of th is st a n da rd, describin g t h e

IP-X A CT spe ifica tion in th e con t ext of its ba sic u se m odel, t h e d esig en v iron m en t (DE), m ore rea dily

d epict s the ext en t a n d lmit a tion s of th e sem a n tic in t en t of th e da t a Th e DE co rdin a tes a set of tools a n d IP,

or ex res ion s of th a t IP (e.g m odels), th rough th e crea tio a n d m a in ten a n ce of m eta -da ta description s of

t h e sy stem o ch ip (SoC) such th a t its sy st em design a n d im plem en ta tio flow s a re e ficien tly en a bled a n d

reuse c n t ric

Th e use of th e IP-X ACT spe ified form a ts a n d in terfa ces a re sh ow n , in bol d, in Figure1 a n d d escribed in

th e folow in g su bcla uses

1.3.1 IP- X A CT d sig e v ironme t

A DE en a bles th e d esigner t o w ork w it h IP-X A CT desig IP th rough a co rd in a ted fron t-en d a n d IP desig

da ta ba se Th ese tools crea te a n d m a n a ge t h e top-ev el m eta -descriptio of sy stem desig a n d m a y prov ide

tw o ba sic ty pes of serv ic s: desi gn ca ptur , wh ich is th e ex res io of desig con figura t io b t h e IP

2

P-XA CT uses th e W orld W ide W eb Con sortium (W 3C

®

) stan dard for th e X ML v erio 1.0 da ta (h ttp://w w w w 3.org/TR/20 0/

REC-xm l-20 010 6) The valid form at of tha t XML da ta is described in a sche ma b usin g t h e Schema Descrip o La n gua ge described

t herein W3C is a registered t radem a rk of the W orld W ide Web Con sortium

ntIP

mem

PPComp et

Definit io s

Bus

Definit io sAbstra t io

provider a n d d esig in t en t b th e IP u ser; a n d desi gn b i l , w h ich is th e crea t io of a desig (or desig

m odel t o t h ose in ten t ion s

A s pa rt of design ca ptu re, a sy stem d esig tool sh a ll reco n iz th e st ruct ure a n d con figura tio o tion s of

im ported IP In th e ca se of structur , th is im ples b th t h e structure of th e desig [e.g h ow spe ific pin -ou ts

refr to ln es in th e h a rdw a re descriptio la n gua ge (HDL) code] a s w el a s t h e stru cture of th e IP pa cka ge

(e.g wh ere d esig description s a n d rela ted gen era tors a re prov ided in th e pa cka ged IP d a ta -structu re) In th e

ca se of co fi gura ti on, th is is th e set of o t ion s for h a n d lin g th e im ported IP (e.g set tin g th e ba se a ddres

a n d ofset, bus w idt h ) th a t m a y be ex res ed a s con figura ble pa ra m et ers in th e IP-X ACT m eta -da ta

A s pa rt of desig bu ild, gen era t ors m a y be prov ided in tern a lly by a sy st em design t ool t o a ch iev e th e

req uired IP in tegra tio or con figura tion , or prov ided extern a lly (e.g by a n IP prov ider) a n d la un ch ed b the

sy stem d esig tool a s a ppropria te

Th e sy stem desi gn to l set d efin es a DE w h ere th e su pp rt for con ceptu a l con text a n d m a n a gem en t of

IP-X A CT m eta -d a ta resides How ever, th e IP-X A CT spe ifica t ion s m a ke n o requirem en ts upo sy stem desig

tool a rch itecture or a tools in t ern a l da ta stru ctures To be con sidered IP-X A CT v 1.5 en a bled, a sy stem

desig t ool sh a ll supp rt th e im port/ex ort of IP ex res ed with v a lid IP-X ACT v 1.5 m eta -da ta for b th

com pon en t IP a n d design s, a n d i n eeds to su pp rt th e tigh t gen era tor in terfa ce (TGI) for in t erfa cin g w ith

ext ern a l gen era tors (to th e DE)

1.3.2 IP- X A CT o je t d s ription

Th e IP-X A CT sch em a is th e core of t h e IP-XA CT spe ifica tion Th ere a re sev en top-ev el sch ema

defin itio s Ea ch sch em a defin itio ca n be used to crea te o je t descript ion s of th e corresp n d in g ty pe

— A b s defi ni ti on descriptio d efin es t h e ty pe a t tributes of a n bu s

— A n a bstra c ti on defi ni ti on descriptio d efin es t h e represen ta t io a ttributes of a bus

— A comp nent descript ion defin es a n IP or in tercon n ect stru ctu re

— A desi gn d escriptio d efin es th e co figura tio of a n d in t ercon n ectio betw een com pon en ts

— A n a bstra ctor d escriptio defin es an a d a ptor betw een in terfa ces of two d iferen t a bstra ct ion s

— A gene a tor cha i n descript io defin es th e groupin g a n d orderin g of gen era t ors

— A desi gn co fi gura ti on d escriptio defin es a ddit ion a l con figu ra tio in form a tion for a gen era tor

ch a in or d esign d escription

1.3.3 Obje t intera tion

An o je t description con ta in s a unique id en tifier in th e h ea der Th e id en tifier in IP-XA CT term s is ca lled a

VLNV a fter th e four elem en ts t h a t defin e its v a lue: v en d or, lbra ry , n a m e, a n d v ersion Se C.6 for fu rth er

deta ils o a V LNV Th is VLNV is used to crea te a ref ren ce from on e descript ion to a n oth er Th e ln ks

betwe n th ese o je t s a re i ustrat ed in Figure2 Th e a rrow s (A Æ B) i ust ra t e a ref ren ce of on e o je t o

a n ot h er e.g ref ren ce of o je t B from o je t A)

1.3.4 IP- X A CT g n rators

Gen era tors a re exe u ta ble o je ts (e.g scripts or bin a ry progra m s) th a t m ay be in tegra t ed w it h in a DE

(refrred to a s i nte nal) or prov ided sepa ra tely a s a n exe uta ble (ref rred to a s ex te na l) Gen era tors m a y be

prov ided a s pa rt of a n IP pa cka ge (e.g for con figura ble IP, such a s a bus-m a trix gen era tor) or a s a w a y of

w ra ppin g p in t tools for in t era ct io w it h a DE (e.g a n ext ern a l design n etlister, extern a l design ch ecker)

A n in tern a l gen era t or m a y perform a w id e v a riet y of ta sks a n d m a y a cc s IP-X A CT com pla n t m eta -da ta b

a n y m eth od a DE supp rts IP-X ACT does n ot describe th ese protocols

A n ex te na l gene a tor (often ref rred to a s a TGI gene a tor) is a n exe u ta ble progra m or script in voked

from w it h in a DE to qu ery or con figu re desig descript ion s a n d th eir rela t ed com pon en t a n d a bstra ctor

descript ion s Ext ern a l gen era tors ca n u se th e TGI to a cc s th eir IP-X A CT m eta -da ta d escription s (a s

curren t ly loa ded in t o th e DE) a n d perform th e va rious o era tion s a ssocia t ed w ith th ose d escription s In

a ddit ion , extern a l gen era tors sh a ll on ly o e a te upo IP-X A CT com pla n t m eta -d a ta th rough th e defin ed

TGI, se 1.3.6

Gen era tors ca n be ref ren ced from a com pon en t , a bstra ctor, or gen era tor ch a in d escript ion Gen era t ors ca n

a lso be grouped a n d ordered in gen era tor ch a in description s a n d th ose ch a in description s con ta in ed in side

oth er ch a in description s Th is sequen cin g of gen era tors is c i ti ca l for prov id in g script -ba sed supp rt for SoC

flow crea tion

1.3.5 IP- X A CT d sig e v ironme t interfa e

Th ere a re t w o o v ious in t erfa ces ex res ed in Figu re1:from th e DE to th e extern a l IP lbra ries a n d from t h e

DE to th e gen era t ors In th e form er ca se, t h e IP-X A CT spe ifica t ion s a re neu tra l rega rd in g t h e design tool

Abstra torAbstrac tor

Bus

Definit ionBus

Definit ionAbstra tio

Definit ionAbstra t io

Ch in

Fig re 2— IP- XA CT o je t intera tion

in t erfa ces to IP rep sitories Bein g a ble t o rea d a n d w rit e IP w it h IP-XA CT m eta -d a ta is required; h ow ever,

th e frma l i nte a cti on betwe n a n ext ern a l IP rep sitory a n d a DE is n ot spe ified

1.3.6 Tig t ge erator interfa e

Th e ti ght gene a tor i nte fa ce (TGI) is th e m et h od a gen era tor uses to e ficien tly a cc s a design or

com pon en t d escriptio in a DE-n depen den t a n d gen era tor-la n gua ge-n depen d en t m a n n er Th erefore, a

gen era t or ru n n in g o two diferen t DEs produces t h e sa m e results Th e DE a n d t h e gen era tor com m u n ica te

with ea ch ot h er by sen din g m es a ges utilzin g th e Sim ple Obje t A cc s Protocol (SOA P) sta n d a rd v ersio

1.2

3

spe ified in th e Web Serv ic s Descriptio La n gua ge (WSDL) v ersio 1.1

4

SOA P prov ides a sim ple

m ea n s for en din g X ML-form a t m es a ges usin g th e Hy ert ext Tra n sfr Prot ocol (HT P) or oth er tra n sp rt

protocols IP-XA CT supp rts usin g a n HT P protocol or a fie protocol

Th e SOAP m es a ges pa ssed betwe n th e gen era t or a n d th e DE a llow th e gen erat or to get a ll in form a tio

a bou t th e d esign in tercon n ection s (wh ich con ta in com pon en ts a n d a bstra ctors), prov ide set n form a tio for

a n y con figura ble elem en ts in a com pon en t or a bst ra ct or, a n d m a ke sim ple m odifica tion s of th e desig

descript ion For a d dition a l det a ils o th e DE gen erator in v oca t io a n d th e SOA P m es a ges pa ssed bet w een

th e gen era t or a n d th e DE, se A n n exG

1.3.7 De ig intel e tu l pro erty

IP-X A CT is stru ctured a rou n d th e con cept of IP reuse Ele tro i c de si gn i ntelec tua l pro e ty, or IP, is a

term u sed in th e ED com m un ity to refr t o a reusa ble cole tion of desig spe ifica tion s th a t represen t th e

beh a v ior, propert ies, a n d/ or representa tio of th e d esig in v a rious m edia Th e n am e IP is pa rtia lly d eriv ed

from t h e com m on pra ctic ofcon siderin g a cole t io of t h is ty pe to be th e in tele tu a l property of on e pa rty

Both h a rd w a re a n d softwa re cole t ion s a re en com pa ssed b th is t erm

Th ese cole tion s m a y in clu de th e folow in g:

a ) Desig o je t s—Th is ca n include th e folow in g:

1) Tra n sa ction -lev el m odeln g (T M) d escription s: Sy stem C

3) Con figu ra ble HDL descript ion s (e.g bus-fa bric gen era tors)

4) Desig m odels for register tra n sfr level (RTL) a n d tra n sa ction a l sim ula t ion (e.g com pied

core m odels)

5) HDL-spe ified v erifica tio IP (V IP) (e.g ba sic stim ulus gen era t ors a n d ch eckers)

b) IP v iews—Th is is a lst of dif ren t v iew s (lev els of d escript ion a n d/or la n gua ges) to describe th e IP

o je t In IP-X A CT v1.5, th ese v iew s in clud e:

1) Desig view : RT V erilo or V HDL, fla t or h iera rch ica l com pon en ts

2) Sim ula tion v iew : m odel v iew s, t argets, sim ula tio direct iv es, etc

3) Docu m en t a tio view : sta n d a rd, user guid e, etc

IP-XACTXML meta -da ta de sc i pti ons prov id e a sta n da rd iz d w a y of cole t in g m uch of t h e st ruct ura l

in form a tion con t a in ed in th e fie sets IP-XA CT a lso ca n con ta in th e in form a tio t h a t iden t ifies th e

a ppropria te fies in cluded in a cole tio t o be used for diferen t pa rts of t h e desig proc s

Sy stem C is a registered tradem a rks of Open y stem C In itia tiv e, In c in th e U ted ta tes a n d oth er coun tries V erilo is a registered

tradem ark of Cad en ce Desig Sy stems, In c in th e U n ited St ates an d/or oth er jurisdicti n s Th is in form atio is giv en for the

con v en ien ce of user of this stan dard an d d oes n ot con stitute an en d orem en t b th e IE E of th ese products Equiv alen t products m ay

be used if th ey ca n be sh own to lead to th e sam e result s

6

Se F otn ote 5

1.4 IP- X A CT Ena le implement ations

Com ply in g wit h th e ru les outlin ed in th is subcla use a llow s th e provider of tools, IP, or gen era tors to cla ss

th eir produ cts a s IP-XACT Ena bled Con v ersely , a n y v iola tio of t h ese rules rem oves th a t n a m in g righ t

Th is subcla use first n t rod uces t h e set of m et rics for m ea surin g th e v a lid use of t h e spe ifica t ion s It t h en

spe ifies w h en th ose v a lidity ch ecks a re perform ed b th e v a rious cla sses of produ cts a n d prov iders: DEs,

p in t tools, IPs, a n d gen era tors

a ) Pa rse v a lidity

1) Pa rsin g correctn es : Abi t y t o rea d a ll IP-XACT d escription s

2) Pa rsin g com plet en es : Ca n n ot req uire in form a t ion th a t could be ex res ed in a n IP-XA CT

form a t t o be spe ified in a n on -IP-X A CT form a t Proc s in g of a ll in form a tio presen t in a n

IP-X A CT d ocum en t is n ot required

b) Descriptio v a lid ity

1) Sch em a correctn es : IP is described usin g XML fies th a t con form to th e IP-X A CT sch em a

2) U sa ge com plet en es : Exten sion s to th e IP-X ACT sch em a sh a ll on ly be used to ex res

in form a tio th a t ca n n ot ot h erwise be d escribed in IP-XA CT

c) Sem a n tic v a lidity

1) Sem a n tic correct n es : Adh eres t o th e sem a n t ic in terpreta t ion s of IP-X A CT da t a described in

th is sta n dard

2) Sem a n t ic com plet en es : Obey s a ll th e sem a n tic con sisten cy rules (SCRs) described in

A n n exB

Th ese v a lidity rules ca n be com bin ed w it h t h e produ ct cla ss spe ific rules to cov er th e full IP-XA CT en a bled

spa ce Th e folow in g subcla uses d escribe th e rules a prov ider h a s t o ch eck to cla im a prod uct s IP-X A CT

En a bled

A n IP-X ACT En a bled DE or p in t tool m a y rea d description s ba sed o m ult iple v ersion s ofth e IP-X ACT

sch em a If th e DE or p in t tool does provide th is ca pa bi t y , t h e ef ct sh a ll be a s if a ll of th e descript ion s

h a d be n tra n sla ted by th e XSL Tra n sform (XSL ) version 1.0,

7

w h ich is prov ided w ith th e IP-X ACT

relea se to con vert description s from on e v ersio t o t h e n ex In a d dition , a DE or p in t tool m a y preserv e

in form a tion in th e in itia l descript io for use out side of th e sco e of th e IP-X ACT spe ifica t ion

An IP-X ACT En a bled DE:

a ) Sh a ll folow t h e pa rse v a li d ity requ irem en ts sh ow n in 1.4

b) Sh a ll on ly create IP t h a t is IP-XA CT En a bled

c) W h en m od ify in g a n y existin g IP-X A CT description s, sh a ll d o so w ith out losin g a n y preexistin g

in form a tio In particula r, i sh a ll preserv e a n y v en d or exten sio da t a in cluded in th e existin g

IP-XA CT descript ion

d ) Sh a ll supp rt th e IP-X ACT gen erat or in t erfa ces fully for in tera ctio w it h un d erly in g d a taba se

e) Sh a ll be a ble to in v oke a ll IP-XA CT En a bled gen era t ors

1.4.2 Point to ls

A p in t tool is a tool th a t h a s a pa rticula r ra th er th a n a gen era l set of ca pa bi t ies In con tra st to IP-X A CT

En a bled DE (e 1.4.1), a n IP-XA CT En a bled p in t tool:

a ) Sh a ll folow th e pa rse validit y req uirem en ts sh own in 1.4

b) Sh a ll on ly create IP t h a t is IP-X A CT En a bled

c) Wh en m odify in g a n y existin g IP-X A CT description s, sh a ll do so with ou t losin g a n y preexistin g

in form a tion In particu la r, i sh a ll preserv e a n y v en d or exten sion d a ta in cluded in t h e existin

IP-X ACT d escript ion

1.4.3 IPs

A n IP-XA CT En a bled IP:

a ) Sh a ll h a v e a n IP-X A CT descriptio th a t folows t h e descriptio a n d sem a n t ic v a lid ity requ irem en ts

sh ow n in 1.4

b) Sh a ll on ly use IP-X ACT En a bled genera t ors for a n y gen erators a ssocia ted w ith th is IP

X ML description s com pla n t t o IP-X A CT sh a ll prov ide a n a m espa ce refren ce to t h e i de xsd sch ema

fie, n ot to a n y of th e ot h er fies in t h e relea se

1.4.4 Ge erators

A n IP-XA CT En a bled gen era t or:

a ) Sh a ll on ly crea te IP th a t is IP-X A CT En a bled

b) W h en m odify in g a n y exist in g IP-X A CT d escript ion s, sh a ll d o so w it h out losin g a n y preexisting

in form a tion In part icula r, i sh a ll preserv e a n y v en d or exten sio da ta in clu ded in th e exist in g

IP-X ACT d escription

c) Sh a ll be ca lla ble t h ough t h e IP-XA CT TGI ( e An n exG)

d) Sh a ll on ly com m un ica te wit h t h e DE th a t in v oked i th rough th e IP-X A CT TGI ( e A n n exG)

1.5 Conv ent ions use

Th e con v en t ion s u sed th rough out th e docum en t a re in clu ded h ere

IP-XA CT is ca se-sen sitive

1.5.1 V is al c e (meta- sy tax )

Bol d sh ows req uired key w ords a n d / or pe ia l ch a ra cters, e.g ad res S ac For th e in itia l defin

i-t ion a l use (per elem en t ), key word s a re sh own in bol dfac -red t ext, e.g, bi t sInLau ( e a lso: 1.6)

Bold italic s sh ow s grou p n a m es or da t a ty pes, e.g name Group or b ole an For defin ition s of ty pes,

se A n n exD

C u i r sh ow s exa m ples, ext ern a l com m a n d n a m es, directories a n d fies, et c e.g a dd res 0x0

is on D[ 1:0]

1.5.2 Notation l conv ention

Th e key words r q i red, sha ll, sha ll n t, sh uld, sh uldn t, r commended, ma y , a n d o ti ona l in t h is

docu m en t a re to be in terpreted a s described in th e IE F Best Pra ctic s Docum en t 14, R FC-21 9 [B5]

spe ifies th e X ML sch em a la n gua ge used t o defin e th e IP-XA CT X ML sch em a s

Norm a t iv e det ails for com pla n ce t o t h e IP-XA CT st a n d a rd a re con ta in ed in t h e sch em a fies W ith in t h is

docu m en t, pictoria l represen ta tion s of th e in form a tio in th e sch em a fies i llustra te th e structure of th e

sch em a a n d defi ne a ny con stra in ts of th e sta n da rd With t h e exc ptio of sco e a n d v isibi ty is ues, th e

in form a t io in th e figures a n d the sch em a fies is in t en d ed t o be id en tica l W h ere t h e figures a n d sch em a a re

in con flct, t h e X ML sch em a fie sh a ll ta ke prec d en ce

1

1.5.4.1 Eleme ts a d at tribute

Th e element is th e fu n da m en ta l buildin g block on w h ich th is sta n d a rd is ba sed An elem en t m a y be either a

lea felement, w h ich is a con t a in er for in form a tion , or a bra nch element, w h ich m a y con ta in furt h er bra n ch

elem en ts or lea f elem en ts

A lea for bra n ch elem en t m a y a lso con ta in a ttri butes Attributes a re con ta in ers for in form a tio w ith in t h e

con ta in in g elem en t

1.5.4.2 Type

A ty pe is a design a t ion of th e form a t for t h e con ten ts of a n elem en t or a tt ribu te Th ere a re tw o diferen t sty les

of ty pes th a t ca n be defin ed A ty pe m a y be a ssign ed to a lea f elem en t or a n a tt ribu te Th is ty pe is ca lled a

simple Ty pe a n d defin es th e form a t of d a ta th a t m a y be stored in th is con ta in er A t y pe m a y a lso be a ssign ed

to a bra n ch elem en t Th is ty pe is ca lled a c omple xTy pe a n d defin es furt h er elem en t s a n d a ttributes con ta in ed

in th e bra n ch elem en t

1.5.4.3 Groups

A group is a cole tio of elem en ts or a ttribut es, w h ich a llow th e sa m e cole t io of item s to be ref ren ced

con sist en tly in m a n y pla ces Th ere are t w o diferen t ty pes of groups th a t ca n be defin ed A gro p is a

com bin a tio of lea f or bra n ch elem en ts; a n atribute Group, a sim ple lst of a ttribu tes Th e n a m es a ssign ed t o

eith er group h a v e n o represent a tio in th e result in g description

1.5.4.4 Name pa e

Ea ch elem en t, a ttribut e, ty pe, or group h a s a n a m e, wh ich is prec d ed b a n a m espa ce a n d sepa ra ted from

th e n a m e b a colon ( :) For th e exa m ples in 1.5.4.5, x z is used as th e n am espa ce for a ll of t h e item s

X MLS y is a registered t radem a rk of Alt ov a Gm bH Th is in form a tio is giv en for th e con v en ien ce of

user of th is sta n dard an d does n ot con stitute an en dorem en t b t he IE E of th is product.Equiv a len t products m a y be used if t h ey can

be sh ow n to lea d to th e sam e results

w h erea s th e st a n da rd u ses spir it W ith in th e text of t h is sta n da rd , th e n a m espa ce is n ot writ ten w h en

describin g a n item ; i is on ly sh ow n in exa m ples

1.5.4.5 Dia rams

Th e dia gra m s used th rough out th is sta n da rd gra ph ica lly deta il th e orga n iza t io th e elem en ts a n d a t tribu tes

1.5.4.5.1 Eleme ts a d s q e c s

Figure3 sh ow s th e sequen ce-com positor A t t h e le t s a bra n ch elem en t , el ement 1, w it h som e descriptiv e

text below element 1 is con n ected to a sequ en ce-com positor Th e seq uen ce-com positor defin es th e order the

subelem en ts a ppea r in th e bra n ch elem en t su Element 1 sh a ll a ppea r first in side of element 1 Th is is

folowed b su El ement2, su El ement3, su El ement 4, a n d su Element5 be ore closin g el ement 1

a ) su El ement 1 is a m a n d a tory elem en t , as in dica ted b t he sold ln e of t h e con ta in in g b x Th e t y pe

ofth e da t a con ta in ed in th is elem en t is set to strin a n d i h a s a defa u lt v a lu e of i - a t if t h e

ele-m en t is presen t, bu t le t em pty

b) su El ement2 is a n o tion a l elem en t, a s in d ica ted b t h e da sh ed-ln e of t h e con ta in in g b x

c) su El ement3 is a n m a n d a tory elem en t th a t m a y a ppea r m ultiple tim es, in dica ted b t h e d

ouble-sold ln e of th e con ta in in g b x Th e n um ber of tim es th e elem en t m a y a ppea r is in d ica t ed b th e

ra n ge of th e n um bers lst ed below t h e elem en t

d ) su El ement4 is a n o t ion a l elem en t th a t m a y a ppea r m ultiple t im es, a s in d ica t ed by th e

double-da sh ed ln e of th e con t a in in g b x Th e n um ber of tim es th e elem en t m a y a ppea r is in d ica ted b the

ra n ge of th e n um bers lst ed below t h e elem en t

e) su El ement5 is a n m a n da t ory bra n ch elem en t th a t con ta in s furth er elem en ts in side, a s in dica ted b

th e sm a ll plus sig (+) in th e sm a ll b x o th e righ t

Descrip e t ext hre

xyz:s bleme t4

0

f

xyz:s bleme t5

Figure4 sh ow s va ria t ion s of a sequen ce-com positor root 1 is con n ect ed to a n o tion a l sequen

ce-com positor, a s in dica t ed b th e sy m bol bein g d ra w n w ith a d a sh ed ln e el ement 1 m a y a ppea r first n side of

root 1; if i does, i sh a ll be folow ed b element 2 Ea ch subelem en t is con n ect ed to a seq uen ce-com positor

— element 1 m a y con ta in on e or m ore of th e folowin g sequen ces in t h e folow in g ord er: su Element1

a n d su El ement 2 a n d su El ement3 Th e n um ber of tim es t h e sequen ce-com positor m a y a ppea r is

in d ica ted b th e ra n ge of th e n u m bers lst ed below th e sy m bol If t h e ra n ge is grea t er th a n 1, th e

seq uen ce-com positor y m bol is dra w n with double ln es

— element 2 is o t ion a l a n d m a y con t a in on e or m ore of th e folow in g seq uen ces in th e folowin g order:

su El ement 1 a n d su El ement 2 a n d su Element 3 Th e n um ber of tim es th e seq uen ce-com posit or

m a y a ppear is in d ica t ed by th e ra n ge of t h e n um bers lsted below t h e sy m bol If th e ra n ge st a rt s a t 0

a n d th e m a xim um is grea ter th en 1, th e seq uen ce-com positor sy m bol is dra wn w ith double-da sh ed

ln es

1.5.4.5.2 Eleme ts a d c oic s

Figure

5 sh ows th e va ria t ion s of th e ch oic -com positor root is con n ected to a ch oic -com positor Th e

ch oic -com posit or pe ifies th a t on e of t h e elem en t s o t h e righ t side sh a ll be ch osen root m a y con ta in on e

of th e folowin g:el ement 1, el ement2, or el ement3 Ea ch subelem en t is con n ected t o a ch oic -com positor

a ) el ement 1 m a y con ta in on e of th e folow in g: su El ement 1, su El ement 2, or u El ement 3, a s in d

i-ca ted b th e sy m bol bein g dra wn w ith a da sh ed ln e

b) el ement 2 m a y con ta in a n y (0 or m ore) of th e folowin g: su Element 1, su Element 2, or

su El ement 3 in a n y ord er Th e n um ber of tim es th e ch oic -com posit or m a y a ppea r is in dica ted b

xy z:ro t1

xyz:eleme t1

1

f

f

th e ra n ge of t h e n um bers lsted below th e sy m bol If th e ra n ge sta rts a t 0, th e ch oic -com positor is

dra w n w ith da sh ed ln es

c) el ement 3 m a y con ta in on e or m ore of t h e folow in g: su Element 1, su El ement2, or su El ement 3

in a n y order Th e n um ber of t im es th e ch oic -com positor m a y a ppea r is in dica ted by th e ra n ge of th e

n um bers lsted below th e sym bol If th e ra n ge is grea t er th a n 1, th e ch oic -com posit or is dra w n w ith

dou ble ln es

1.5.4.5.3 Eleme ts, atribute , groups, a d atributeGroups

Figure6 sh ow s t h e use of a ttribu tes, grou ps, a n d a tt ribut eGroups el ement 1 con ta in s two a t tributes, sh ow n

in th e t a b sh a ped b x la beled a ttri bute s at t ri bute is o tion a l, a s in dica ted b th e d a sh ed con ta in in g b x

at t ri but e1 a lso h a s a ty pe defin ed of inte ge r a n d a defa ult v a lue of 7 if th e a t tribute is n ot presen t

at tri but e2 is a required a ttribute, a s in dica ted b the sold con ta in in g b x, a n d is of ty pe b ole an w ith n o

defa u lt Th e orderin g in w h ich at trib t e1a n d at tri but e2 a ppea r in side el ement 1 is irrelev a n t

a ) e Group is a n elem en t group in side el ement 1 Th is group con ta in s t h r ee subelem en t s a n d th e group

sy m bol ca n be repla ced by a sold ln e Th e n a m e of t h e group h a s n o represen ta t ion in t h e result in g

ou tpu t d escript ion A n elem en t group ca n be o tion a l, a s in dica t ed b a da sh ed outlin e (n ot sh ow n )

a n d i ca n a lso h a v e a ra n ge, a s in dica ted b n um bers below th e group sy m bol (n ot sh ow n )

b) aGroup is a n atribute Group in side element 2 a n d el ement 3 Th is atribute Group con t ains t w o

a tt ribu tes, att ri but e7 a n d at tr ib t e8 In sid e element 2, th e atribute Group is sh own in its cola psed

form , a s in dica ted b th e sm a ll plus sig (+) in side th e sm a ll b x In side el ement 3 th e atribute

-Group is sh ow n in i ex a n d ed form , a s in d ica ted by th e sm a ll m in us sig (-) in side th e sm a ll b x

el ement 2 con ta in s fou r a ttributes: att rib t e3, at t ri but e4, at tri but e7, a n d at t rib te8 element 3

a lso con t a in s fou r a tt ribu tes: att rib t e5, at t ri but e6, at t ri but e7, a n d att ri but e8 Th e n a m e of th e

atribute Group h a s n o represen ta tio in th e resu ltin g description

xy z:at ib te

xy z:at ib te

Figure 6— A ttribute , groups, a d atributeGroups

1.5.4.5.4 W ild ard

Figure7 sh ows t h e use of wid ca rds A w i ldca rd is depicted by th e roun d ed b x w it h t h e any # any tex

W ildca rds in d ica t e t h a t a n y w el form ed a t tribut e or elem en t m a y be in serted in to th e con t a in in g elem en t

1.6 Use of color in this sta dard

Th is sta n da rd u ses a m in im a l a m oun t of color to en h a n ce rea d a bi ty Th e colorin g is n ot es en tia l a n d does

n ot a ff ct th e a ccu ra cy of th is stan d a rd w h en v iew ed in pure bla ck a n d w h ite Th e pla ces w h ere color is used

a re th e folow in g:

— Cros refren ces th a t a re h y perlin ked t o other p rtion s of this sta n da rd a re sh ow n in u n derlin ed -blue

text (h y perlin kin g w orks w h en th is st a n da rd is view ed in tera ctively a s a PDF fie)

— Sy n ta ct ic key words a n d t oken s in th e form a l la n gua ge defin ition s a re sh ow n in boldfac -r ed t ext

1.7 Conte ts of this sta dard

Th e orga n iza tio of th e rem a in d er of th is sta n da rd is a s folow s:

— Cla use2 provides ref ren ces to oth er a pplca ble st a n da rds th a t a re a ssum ed or required for th is

sta n da rd

— Cla use3 d efin es term s, a cron y m s, a n d a bbrev ia t ion s used th rough out th e d iferen t spe ifica tion s

con t a in ed in th is sta n da rd

— Cla use4 defin es t h e in t eropera bi ty use m odel

— Cla use5 defin es th e bus a n d a bstra ction defin it ion s

— Cla use6 defin es th e com pon en t a n d in t ercon n ect m odels

— Cla use7 defin es t h e design s a n d th eir con n ect ion s

— Cla use8 defin es th e a bstra ctor m odel betw een a bstra ctio d efin ition s

— Cla use9 defin es t h e gen era tor ch a in

— Cla use10 defin es th e desig a n d gen era tor ch a in con figura tion

— Cla use1 d efin es a ddres in g a n d da ta v isibi ty

— A n n exes Folow in Cla use1 a re a series of a n n exes

2 Normativ e references

Th e folow in g refren ced docum en ts a re in d ispen sa ble for th e a pplca t io of th is docum en t (i.e th ey m ust

be un derst ood a n d used, so ea ch ref ren ced docu m en t is cited in text a n d its rela tion sh ip to th is docum en t is

ex la in ed) For d a ted ref ren ces, on ly t h e editio cited a pples For un da ted ref ren ces, th e la test edit io of

th e refren ced d ocum en t (in clu din g a n y a m en d m en t s or corrigen d a ) a pples

Sim ple Obje t A cc s Protocol (SOAP) v ersion 1.2 spe ifica tion , a v a ila ble from th e W 3C Web sit e a t

h ttp:/ /w w w.w3.org/ TR/20 7/REC-soa p12-pa rt 1-2 0 0 2 /

W eb Serv ic s Descript io La n gua ge (W SDL) v ersio 1.1 spe ifica tion , a v a ila ble from th e W3C Web site a t

h ttp://w w w.w3.org/TR/ w sd l

X ML sch em a spe ifica tion , a v a ila ble from th e W3C Web site a t h tt p:/ /w w w w 3.org/TR/20 4/ RE

-xm lsch em a -0-2 0 10 8; h ttp:/ /w w w.w3.org/TR/20 4/RE -xm lsch em a -1-2 0 10 8; h ttp:/ /w ww w 3.org/

3 Definitions, acronyms, and abbreviations

For th e purposes of t h is d ocum en t, th e folowin g term s a n d defin it ion s a pply The IE E Sta nda rds

Di cti ona ry : Glos a ry o Te ms & Defi ni ti ons sh ould be ref ren ced for t erm s n ot defin ed in t h is cla use

1

3.1 Definit ions

abst ract i on de i ni t ion: A n o je t th a t describes a represen t a tion of b s i nte fac , in clud in g d eta ils of th e

port s th is type of b s int erac m a y h a v e a n d th e const rai nt s th a t a pply to th ese port s

a bst ract or: A t op lev el IP-XACT elem en t used to con vert betw een two b s int er fac s h a v in g diferen t

abstra ction ty pes a n d sh a rin g th e sa m e bus ty pe

a ct i v e i nt er ac : A n i nt erac th a t pa rticipa tes in th e t ra n sa ction s

a d hoc con e ti on: Direct ly con n ects two port s with out th e u se of b s inte fac s or i nt ercon e t i ons

W ire a d h oc con n ection s h a v e a w ire protocol a n d tra n sa ct ion a l con n ection s h a v e a tra n sa ction a l con n ect ion

a ppli cati on programme s i nt erac (A PI): A m eth od for a cc s in g desig a n d met a-dat a in a proc dura l

w a y

a rchi t ectural rul es: Gen eric rules t h a t defin e h ow su sy stems rela te to pl at forms th a t relat e t o

component of sy st em design

bri dge: A m ech a n ism t o m odel t h e in tern a l rela t ion sh ip betw een mast er i nt er ac s a n d slav e i nt erac s

in sid e a componen B dges ex lcitly d escribe th e in tern a l p in t-t o-p in t co n ection s betw een th e

com pon en t in terfa ces A bridge ca n h av e m ultiple a ddres spa ces, su pp rts m em ory m a ppin g a n d

rem a ppin g, a n d ca n on ly h a ve d irect n terfa ces Sy n: b s bri dge

b s: A cole tio of port s used to con n ect blocks con n ected to i in v olv in g b th h a rdw a re a n d softwa re

protocols W it h in IP-X A CT, buses a re component s

b s de ini t ion: An obje t th a t describes t h e t y pe properties for a b s, su ch a s t h e m a xim u m m a st ers

allow ed or if on e bus ex a n ds u po th e defin itio of a n oth er

b s i nt er ac : Th e i nt er ac of a n IP t o a b s Component s a re con n ected togeth er b ln kin g t h e bus

in t erfa ces t ogeth er Th ere a re t h ree d i ff ren t cla sses of bu s in t erfaces: m a ster, sla v e, a n d sy stem with t w o

flav ors:d irect a n d m irrored

chan el : A spe ia l obje t th a t ca n be used to describe m ulti-p in t con n ection s bet w een regula r com pon en t s,

w h ich m a y requ ire som e in terfa ce a da pta t ion A ch a n n el con n ects component mast er, sl ave, an d sy st em

i nt er ac s o th e sa m e b s A ch a n n el ca n a lso represen t a sim ple wirin g in tercon n ectio or a m ore

com plex stru cture, such a s a bus A ch a n n el ca n on ly h a v e on e a dd res spa ce Ch a n n el in terfa ces a re a lw a y s

mirrored in t erfa ces A ch a n n el supp rt s m em ory m a ppin g a n d rem a ppin g

componen Th e c n t ra l pla ce h older for o je t met a-dat a an d its bu s a n d gen era tor i nt er ac s

Com pon en ts a re used to describe cores, periph era ls, a n d buses Com pon en ts m a y refren ce design s t o crea t e

h iera rch y Sy n: component desc i pt ion

confi gurabl e el ement: A n elem en t in a n IP-X A CT description th a t ca n be set t o a n ew v a lu e b a user,

gen era t or, or depen d en cy equa t ion Th is in clud es a ll elem en ts w ith a resol v e a ttribut e

1

The E E Sta nda rds D ti ona ry : Glosa ry o Te rms & De fi ni ti ons is a v aila ble a t h ttp://sh op.iee.org/

confi gurabl e IP: IP t h a t con ta in s confi gurable element s a n d a n IP-spe ific gen era tor ca pa ble of crea tin g

n ew com pon en ts from t h e con figured com pon ent a n d upda tin g th e desig w ith th e n ew v ersio of t h e

componen Sy n: confi gurabl e componen

configurat i on mana e : A n o je t th a t crea tes a n d m a n a ges top-ev el m eta -descript ion of sy stem on chip

(SoC) design It ca n a n n ot a te SoC sch em a with deta ils of a spe ific SoC d esign in clu din : IP v ersion s, IP

v iews, IP con figura tion , IP con n ectivity , a n d IP con stra in ts It m a n a ges th e la un ch in g of IP gene ators a n d

t ool pl ug-i ns, a n d a n y m et a -d a ta upd a tes oc u rrin g a s a con sequ en ce of a la un ch It a lso h a n d les th e

upda t in g a n d retriev a l of relev a n t IP met a-dat a from th e IP rep sitory

con e t i on: Gen era lly describes a com m un ica t io m ech a n ism bet w een on e or m ore com pon en ts

cons rai nt : De in es a lm ita tion o a pa rt of th e sy stem th a t n eed s to be sa tisfied for th e sy st em t o be correct

Tim in g con stra in ts a re often spe ified on p rts, requ irin g t h a t d urin g a given clock cy cle th e va lue ofth e

p rt be om es st a ble in a c rta in tim e period a n d rem a in s sta ble for a c rt a in t im e period rela t iv e t o a

pa rticula r clock ed ge

const raint et: Const rai nt s d efin ed in groups to a ssocia te diferen t con stra in ts w ith diferen t v iew s of th e

com pon en t

design: A n IP-XA CT d escription of a sy st em or su sy st em lst in g it s component s, t h e con e ti ons

betwe n th ese com pon en t s, a n d th e i nte fac s ex orted by th e sy stem or ubsy stem

design configurat i on: Th is d escriptio con t a in s n on -es en tia l a n ci a ry in form a tio for gen era tors, th e

a ctive or curren t view sele ted for in sta n ces in t h e design , a n d con figu ra ble in form a tio defin ed in v en d or

exten sion s It ref ren ces a desig descript ion a n d ca n spe ify a vi ew for th e component in st a n ces a n d

abst ract ors for ea ch i nt ercon e t i on, a n d con figure gen era tor chai ns Sy n: confi gurat i on

desi gn dat abase: W orkin g stora ge for b th met a-dat a a n d component in form a tio th a t h elps crea te a n d

v erify syst ems a n d su sy st ems

desi gn env ironment (DE): Th e co rdin a tion of a set of tools a n d IP, or ex res ion s of th a t IP (e.g m od els)

so t h e sy stem -design a n d im plem en t a tio flow s of a SoC reuse-c n t ric d ev elo m en t flow is e ficien t ly

en a bled Th is is m a n a ged b crea tin g a n d m a in ta in in g a m eta -da ta d escription of th e SoC

en ian es : bi g en i an is th e m ost sign ifica n t by t e a t the lowest m em ory a d dres a n d li t t l e en i an is th e

lea st sign ifica n t by t e a t the low est m em ory a dd res

el ect roni c desi gn i ntel le tual prope t y ( P): U sed in t h e ele tron ic desig com m u n ity to ref r t o a reusa ble

cole tio of d esig spe ifica tion s th a t represen t th e beh a v ior, propert ies, a n d/or represen ta tio of th e desig

in va riou s m ed ia Th e n a m e IP is pa rt ia lly d eriv ed from th e com m on pra ctic of con sid erin g a cole tion of

th is ty pe t o be th e in tele tu a l property of on e pa rty Both h a rdwa re a n d softwa re cole tion s a re

en com pa ssed b th is t erm IP ut ilz d in t h e con t ext of a SoC desig or d esig flow m a y in clude

spe ifica tion s; desig m odels; design im plem en t a tion description s; v erifica tio co rd in a tors, stim ulus

gen era t ors, ch eckers a n d a ssertion /con stra in t d escript ion s; soft d esig o je ts ( u ch a s em bed ded soft wa re

a n d rea l-t im e o era tin g sy st em s); desig a n d verifica tio flow in form a tion a n d scripts IP-X ACT

distin guish es betw een fixed IP a n d con figu ra ble IP

el ect ronic sy st em lev el (ESL): A h ig lev el of d esig m odeln g ty pica lly don e with , bu t n ot lm it ed to,

Sy st em C or Sy stem Verilo desig la n gua ges

eX t ensi bl e Mark p Langua e (X ML):A sim ple, v ery flexible text form a t d erived from SGML.

1

exte nal component s: Component s th a t do n ot en d up o th e SoC, but a re n eeded for tota l sy st em

v erifica tion

fi xed IP:IP th a t h a s n o elem en ts tha t a re con figured b t h e DE or et b in dustry de fa cto tools

gene ator: Com bin es component met a-dat a with archi te t ural rules t o provid e a con sist en t sy st em

descriptio th a t uses a spe ified t i ght gene at or i nte fac (TG I) t o gen era te spe ific desig views or

confi gur at i ons for t h e purposes of supp rtin g a n um ber of desig st y les Th e gen era tor m a y a dd/ rem ov e/

repla ce com pon en ts, a dd /rem ov e/repla ce in t ercon n ect ion s, a dd/ rem ov e/repla ce proje t settin gs, a n d a d d/

rem ov e/ repla ce persisten t da ta

gene at or API: Th is API provides a com m on in terfa ce for a lg rit h m ic cod e in a gene ator or t ool plug-i n

to t h e SOAP in t erfa ce of th e TG I

gene at or chai n: A h iera rch ica l lst of gen era t ors used t o d efin e th e order for exe utin g gene at ors A

desig flow ca n be represen ted b a gen era tor ch a in

gene at or grou : A sy m bolc n a m e a ssign ed t o a gene at or to en a ble gen era t or ele tion

gene at or inv ocat ion:A m eth od of run n in g a n a pplca tio a t a d efin ed ph a se in t h e gene at or grou w ith a

giv en n u m ber of el ement s

gene ator TGI: Th is SOA P m es a gin g in t erfa ce con n ects th e gene at ors a n d to l pl ug-i ns t o th e desi gn

env i ronment (DE), a llow in g t h e exe utio of th ese script s a n d cod e-elem en ts a ga in st th e SoC m et a

-description Th e DE en a bles th e registra tio of n ew gen era tors or plug-n s, ex ort in g SoC met a-dat a a n d

upda tin g th a t da t a folowin g gen era tor or plu g-n exe ution , a n d h a n d lin g gen era tor or plug-n error

con d ition s th a t rela te to th e m eta -d a ta description

hi erarchical ch d b s int er ac : A bu s in t erfa ce IC of com pon en t C is a h iera rch ica l ch ild of bus

in t erfa ce IP of com pon en t C if a n d on ly if C con ta in s a h iera rch ica l view , th e desig descriptio of w h ich

con t a in s a h iera rch ica l con n ection w ith in terfa ce n a m e IP, com pon en t ref C , a n d in terfa ce ref IC A

h iera rch ica l ch ild bu s in t erfa ce m ay be a h iera rch ica l bu s in t erfa ce itself

hi erarchical chi l d componen A h iera rch ica l ch ild of a com pon en t C is a n y com pon en t refren ced in a

desig of C

hi erar chi cal component: A component th a t h a s on e or m ore v iews t h a t ref ren ce IP-XA CT d esig

description s

hi erarchi cal desc n ant b s int erac : A bus in terfa ce D is a h iera rch ica l d esc n d a n t of bus in terfa ce AC

if a n d on ly if D is a h iera rch ica l ch ild of AC or a h iera rch ica l ch ild of a h iera rch ica l desc n da n t of AC

hi erarchical desc n ent component: A h iera rch ica l desc n d en t of a com pon en t is a n y h iera rch ica l ch ild of

th a t com pon en t or a n y h iera rch ica l ch ild of a n y h iera rch ica l desc n d en t of th e com pon en t

hi erarchi cal famil y of b s int er ac s: A h iera rch ica l fa m ily of bu s in terfa ces is a set ofbus in terfa ces

com posed of a h iera rch ica l bus in terfa ce a n d a ll its h iera rch ica l d esc n da n ts

1

Notes in tex tables, an d figures are giv en for in form atio on ly an d do n ot con tain requirem en ts n eeded to im plem en t th e stan dar d

hi erarchi cal famil y of component s: A h iera rch ica l fa m ily of com pon en t s is a com pon en t a n d a ll its

h iera rch ica l desc n d en ts

i ni t iat i v e: A n a bstra ct d escriptio of p rt m odes: requires, provides, b t h , or ph a n tom Used for

tra n sa ct ion a l level m od eln g (T M)

i nt ercon e t i on: De in es t h e p in t-to-p in t con e t i on betwe n t w o b s i nt er ac s

i nt er ac con e t i on: Bu s in terfa ces wit h b s de i nit i ons a n d abs ract i on dei ni ti ons ca n be lsted in th e

desig a s con n ected to a n oth er com pa t ible in t erfa ce o a n oth er com pon en t Th e lstin g of t h e

i ntercon e t ion crea t es a con e t ion to th a t i nt erac

IP gene at ors: To ls th a t crea te spe ific IP ba sed upo SoC met a-dat a d eta ils en t ered in to th e

confi gurat i on mana e IP gen era tors serv e a s int erac s to IP rep sitory for pla cin g a n d retrieva l of IP

a n d ca n a n n ota t e com pletio deta ils (e.g gen era t ed IP or fa ilure of gen era tio of IP) ba ck in to th e

con figu ra t io m a n a ger

IP i nt egrat or:A pa rt y in th e d esign proc s wh o rec iv es con figu red IP a n d subsy st em s a n d com bin es th em

in t o a la rger y stem

IP pl at form archi t ect :Crea tor of pla tform -ba sed a rch itectures

IP prov i der : Crea tor a n d su ppler of IP

IP reposi tory : Da ta ba se of IP

l eaf component: Component s th a t do n ot con ta in oth er P-XA CT d escription s

l eg cy IP: IP th a t h a s n o spe ific IP-X ACT met a-dat a vi ew

mast er i nte fac :Th e b s inte fac th a t in it ia tes a t ra n sa ctio (lke a rea d or w rite) on a b s

memory map: A block of m em ory in a component (w h ich m a y be a cc s ible th rough a sl av e in terfa ce)

meta-dat a : A tool n terpreta ble w a y of d escribin g th e desig h istory , loca lity , o je t a ssocia t ion ,

con figura tio o tion s, con stra in ts a ga in st , a n d in tegra tio requ irem en ts of a n obje t

met a IP:Met a-dat a d escription of a n obje t

mi rror int er ac : Ha s th e sa m e (or im ila r) port s t o its rela ted direct b s i nte fac , but th e p rt d irect ion s

a re reversed So, a p rt th a t is a n in put o a d irect bus in t erfa ce w ou ld be a n output in th e m a t ch in g m irror

in terfa ce

monit or i nt er fac : A n int er ac used in v eri ficat ion th a t is n eith er a mast er, sl av e, n or y stem i nt er ac

mult i -l ay er b ses: Buses th a t h a v e to be m odeled a s component bri dges w it h d irect in t erfa ces or a s a

h iera rch ica l com pon en t

obje t s: X ML description s of the folow in g ty pes: component , desi gns, b sDe i ni t ions,

abs racti onDe i ni t ions, abs ract ors, desi gnConfi gurat ions, a n d gene at orChai ns To be a ble to be

un iquely refren ced , ea ch o je t h a s a n un iqu e iden tifier ca lled its Ven or Library Name Ve sion

(VLNV )

opaq e bridge: A bus in tercon n ect com pon en t th a t m a y m odify th e a d dres spa ce of a m a ster bus in terfa ce

of on e bus ty pe to t h e m em ory m a p ofa sla ve bus in t erfa ce of a n oth er bus ty pe a n d does n ot a llow d irect

a cc s t o a n y com pon en ts resid in g o t h a t a d dres spa ce A n o a que brid ge h a s th e opaq e a ttribute eq ua l

to tr ue

Open Sy st emC Ini t iat i v e (OSCI): A n in d epen den t n on -profi orga n iza tio com posed of a broa d ra n ge of

com pa n ies, un iversit ies a n d in divid ua ls dedica ted to supp rtin g a n d a dv a n cin g Sy stem C a s a n o en sou rc

sta n d a rd for y stem -lev el design

NOT —Se Tra n sa ction -Lev el Model of Sy stem C [B1 ]

p a nt om por t: An in it ia tiv e of a p rt th a t in d ica tes th is p rt d oes n ot h a v e a tru e con n ection to th e

im plem en ta t ion , e.g th e p rt does n ot a ppea r on th e VHDL en tity

p ase n mbe : De in es t h e seq uen ce in wh ich gene at ors sh ould be fired

pl atform: A rch itect ura l ( ub)sy stem fra m ew ork

plat form consume : U ser/grou p th a t bu ild s a SoC ba sed o a pa rticula r platform

pl at form prov ide : User/grou p th a t develo s a n d delvers pl at forms t o plat form consume s

plat form rul es: Rules th a t defin e h ow component in terfa ce to a spe ific pl at form

port : Spe ifies in t erfa ce it em s of a com pon en t Th ese in t erfa ce it em s a llow dy n a m ic exch a n ge of

in form a tion Con n ect ion s betw een p rt s m a y be spe ified b usin g ad hoc con e ti ons or b in cludin g

th em in b s i nte fac s con n ected togeth er b i nt ercon e t i ons

schema : A m ea n s for d efin in g t h e structu re, con ten t, a n d sem a n tics of eX tensibl e Mark p Langua ge

(X ML) docum en t s

segment:A p rt io ofa n ad res S ac , defin ed w ith a n a ddres ofset a n d ra n ge

semant i c consist ency rul es ( SCRs): Add ition a l rules a ppled to a n X ML descript ion th a t ca n n ot be

ex res ed in t h e schema Ty pica lly , th ese a re rules betw een elemen t s in m u lt iple X ML d escript ion s

sl ave i nt erac : Th e b s i nt erac th a t t erm in a tes or con sum es a tra n sa ctio in it ia ted by a mast er

i nte fac Sla v e in terfa ces oft en con ta in in form a tio a bou t th e registers a cc s ible t h rough th e slav e

in t erfa ce

SoC pl at form: Th e top n etlist con ta in in g a ll th e in sta n ces a n d con e ti ons of t h e design

st yl e she t s: How d ocum en ts a re presen ted o screen s a n d in prin t

su sy stem: A set of con n ect ed component s th a t h a v e depen den cies o oth er P

sy st em:A con figured set of con n ected component

sy st em i nt er ac : An int erac th a t is n eith er a mast er n or l av e i nte fac , a n d a llow s spe ia liz d (or n on

-st a n da rd) con n ect ion s t o a bu s (e.g clock)

sy stem on chi p (SoC): A lso refrs t o a gen era l sy stem t h a t m a y n ot be im plem en ted on a ch ip, such a s a

t ransact i on-lev el model i g (TLM) design

t i ght gene at or i nte fac (TGI): U sed t o m a n ipula te va lues of elem en ts a n d a tt ribu tes for IP-X A CT

com pla n t X ML

t ool pl ug-i ns: To ls th a t in tegra te IP, ba sed upo SoC met a-dat a deta ils, a n d prep IP for a n im a tion (e.g

sim ula tio or em u la t ion ), o tim iza tion (e.g sy n th esis), a n d ve i f ati on (e.g regres ion -suite gen era tion )

Th ey ca n a lso a n n ota t e com pletio deta ils (e.g in tegra t ed SoC IP or fa ilure of in tegra tion ) ba ck in to th e

confi gurat i on mana e

t ransact ional port : A port t h a t h a s a serv ic n a m e (w h ich ca n spe ify th e da ta t y pe of th e p rt) a n d a p rt

in it ia tiv e Used for h igh -lev el m od eln g

t ransact i on-l ev el model i ng (TLM): An abst ract i on l ev el h igh er th a n register tra n sf r lev el (RT ), used

for pe ify in g, sim ula tin g, v erifyin g, im plem en tin g, a n d ev a lu a tin g SoC designs

t ransparent bri dge: A bus in t ercon n ect com pon en t t h a t m od ifies th e a dd res spa ce of a m a ster bu s

in terfa ce of on e bu s t y pe to th e m em ory m a p of a sla v e bus in t erfa ce of a n oth er bus ty pe w ith directly

a ddres a ble a cc s to a n y com pon en ts resid in g o t h a t a ddres spa ce A t ra n spa ren t brid ge h a s th e opaq e

at tribute eq ua l to false

use model: A proc s m eth od of w orkin g w ith a tool

use i nte fac : Meth od s of in t era ctin g bet w een a tool a n d its user

v al i dat i on: Prov in g th e correctn es of con struct io of a set of component s

Ven or Library Name Ve si on (VLNV ): Ea ch IP-X ACT obje t is a ssign ed a un iq ue iden t ifier th a t is

de in ed in t h e h ea d er of ea ch X ML fie

v eri f at ion: Provin g th e beh a vior of a set of con n ected component s

v eri ficat ion IP (VIP):Component s in clud ed in a desi gn for v eri f at i on purposes

v iew: A n im plem en ta tio of a com pon en t A component m a y h a ve m ultiple v iew s, ea ch w it h its ow n

fu n ctio in th e desig flow

w hi t e bo int er ac (WBI): In tern a l p in ts in th e IP to be probed or driven by verifica tio tools a n d/or test

ben ch es

w i re con e ti ons: Con e t i ons t h a t con n ect w ire port

w ire port: A port th a t describes bin a ry v a lues or a n a rra y of bin a ry v a lues Wire p rts ca n h a v e a direction :

in , ou t, or in out

XPATH: A n ex res io la n gua ge used b X SL to a cc s or refr to pa rts of a n X ML docu m en t

XSL : X SL Tra n sform is a pa rt icula r progra m w rit ten in th e X SL la n gua ge for perform in g a t ra n sform a tio

(from on e v ersio to th e n ext)

3.2 A cronyms a d a brev iations

®

h igh -spe d bus

14

A PI a pplca t io progra m m ers in terfa ce

A X I Adv a n ced eX t en sible In terfa ce

EDA ele t ron ic d esign a u tom a tio

ESL ele tron ic sy st em lev el

HDL h a rdw a re descriptio la n gua ge

IP ele tron ic desig in tele tua l propert y

LA U lea st a ddres a ble u n it (of m em ory )

OSCI Open Sy stem C In itia tiv e

PV T progra m m er’s v iew w it h tim in g

RA M ra n dom a cc s m em ory

ROM rea d on ly m em ory

RT regist er t ra n sfr level (design )

SCR sem a n tic con sisten cy rule

X ML eX t en sible Ma rkup La n gua ge

3MD th ree lev els of m eta -da ta

1

AMBA is a n o en speificatio on -ch ip ba ckbon e for in tercon n ectin g i nt el l ect ual pro e t y (P) blocks A MBA is a registered

tradem ark of ARM Lim ite Th is in form a tio is giv en for th e con v en ien ce of users of th is st an d ard an d does n ot con stitute a n

endorsem en t b th e IE E of th is product.Equiv alen t products m ay be used if th ey ca n be sh own to lead to th e sam e results

4 Interoperabi it y use model

To in trodu ce t h e use m odel for th e IP-XA CT spe ifica tion s, i is first n ec s a ry to id en t ify spe ific roles a n d

resp n sibi t ies w it h in th e m odel, a n d t h en rela t e t h ese to h ow the IP-XA CT spe ifica tion s im pa ct th eir

in tera ction s Al or om e oft h e roles ca n be m ixed w ith in a sin gle orga n iza tion ,e.g som e ele tron ic d esig

a utom a tio (EDA ) pro iders a re a lso prov id in g IP, a com pon en t IP prov ider ca n a lso be a pla tform provider,

a n d a n IP sy stem desig provid er m a y a lso be a con sum er

4.1 R oles a d responsibi ties

For t h is sta n d a rd, t h e roles a n d resp n sibi ties a re restricted t o th e sco e of IP-XA CT v 1.5 HDL a n d T M

sy stem design

4.1.1 Comp n nt IP prov id r

Th is is a person , group, or com pa n y crea tin g IP comp n en ts or u bsy stem s for in tegra tion in t o a SoC design

Th ese IPs ca n be h a rdw a re com pon en ts (proc s ors, m em ories, buses, etc.), v erifica tio com pon en ts, a n d/or

h a rd w a re-d epen den t softw a re elem en ts Th ey m a y be prov ided a s source fies or in a com pied form (i.e

sim ula tio m odel An IP is u sua lly prov id ed with a fun ction a l description , a tim in g descript ion , som e

im plem en ta t io or v erifica tio con stra in t s, a n d som e para m eters t o ch a ra cteriz (or con figure) th e IP Al

th ese ty pes of ch a ra cteriza tio da ta m a y be d escribed a s m eta -da ta com pla n t w ith t h e IP-X A CT sch em a

Th ose elem en ts n ot a lrea d y provided in th e ba se sch em a ca n be prov ided usin g n a m espa ce exten sibi ty

m ech a n ism s of th e spe ifica tion

Th e IP prov ider ca n use on e or m ore EDA tools to crea te/refin e/ debug IP Du rin g th is proc s , t h e IP

prov id er m a y ex ort a n d re-m port h is desig from on e en v iron m en t to a n oth er Th e IP-X A CT IP

descript ion s n eed to en a ble th is exch a n ge for com pon en t IP

A t som e p in t, t h is IP ca n be t ra n sf rred to cu stom ers, pa rt n ers, a n d extern a l EDA tool supplers b usin g

IP-XA CT com pla n t XML IP ca n be ch a ra cteriz d in to th e folow in g diferen t t y pes

— Fi x edIP is IP t h a t is stra igh t forwa rd to d escribe a nd exch a n ge a s t h ere a re n o con figura ble pa ra m

e-ters No gen era tors n eed t o be prov ided

— Pa ra mete i zedIP a re th ose IP blocks th a t do n ot ne d IP spe ific gen era tors, but h a ve sta n da rd

custom iza t ion s (w h ere sta nda rdis defin ed a s in dust ry d e fa ct o tool supp rt), i.e n o gen era tors n eed

be prov ided for SoC d esign tools th a t su pp rt th ese pa ra m eteriza tion s A n exa m ple of a

pa ra m et eriz d IP is a n A HB/A PB bridge w ith con figura ble bu s wid th s, d on e wit h VHDL gen erics or

Verilo pa ra m eters

— Co fi gura ble IP is IP crea ted or m odified a s a d irect result of run n in g a n IP-spe ific gen era tor to

build th e IP to t h e user’s spe ified con figura t ion Th is IP usua lly req uires gen era tors to be prov ided

with it A n exa m ple of a con figura ble IP is a n A HB bus fa bric com pon en t th a t h a s a sele t a ble

n um ber of m a sters a n d sla v es, a n d a utom a tic gen era t io of decode fun ct ion a lity

4.1.2 S C d sig IP provid r

Th is is a person , grou p, or com pa n y th a t in t egra tes a n d v a lida tes IP prov ided b on e or m ore IP prov id ers t o

build sy stem pla tform s, w h ich a re com plete a n d va lid a ted sy stem s or subsy stem s Like t h e IP prov ider, t h e

pla tform provider ca n u se EDA tools to crea t e/refin e/debug it s pla tform , but a t som e p in t th e IP n eeds to be

exch a n ged with oth ers (custom ers, pa rtn ers, oth er EDA tools, etc.) To do so, th e pla t form IP h a s t o be

ex res ed in t h e IP-X A CT spe ified form a t a s a h iera rch ica l com pon en t

4.1.3 S C d sig IP con umer

Th is is a person , group, or com pa n y tha t con figures a n d gen era tes sy stem a pplca tion s ba sed o pla tform s

suppled b SoC d esig IP providers Th ese pla tform s a re com plete sy stem design s or u bsy stem s Like th e

pla t form prov ider, t h e pla t form con su m er ca n u se EDA tools to crea te/refin e/ debug its sy stem a pplca t io

an d/or con figure th e desig a rch itectu re To do so, the EDA tool n eeds to su pp rt a n y pla tform IP ex res ed

in th e IP-X A CT spe ified form a t

4.1.4 De ig to l s p ler

Th is is a grou p or com pa n y th a t provides tools to v erify a n d/or im plem en t a n IP or pla tform IP Th ere a re

th ree m a jor tools (wh ich could be com bin ed) prov ided in a sy st em flow :

— Pla t form build er or y stem desi gn env i ro ment tools: th ese h elp to a ssem ble a pla tform w it h som e

a utom a tion (e.g a utom a tic gen era tio of in tercon n ect)

— V erifica tion p in t tools: th ese h a n dle fu n ction a l a n d tim in g sim u la tion , v erifica tion , a n a lysis,

d ebu ggin g, co-sim ula t ion , co-v erifica tion ,a n d a cc lera tion

— Im plem en t a tio p in t t ools: th ese h a n d le sy n th esizin g, flo r-pla n in g, pla ce, a n d rou tin g, etc

Th e EDA prov id er n eeds t o be a ble to im port IP-XACT com pon en t or sy st em IP lbra ries from m ult iple

sources a n d ex ort th em in t h e sa m e form a t

Furt h er, IP-X A CT EDA t ools ne d to reco n iz , a ssocia te, a n d laun ch gen era t ors th a t m a y be prov ided b a

Gen era tor or IP provider in supp rt of con figura ble IP bun dles Th e im ported IP m igh t n eed to be crea t ed

a n d/or m od ified b th e tool a n d t h en ex ort ed ba ck (e.g to be exch a n ged w ith ot h er EDA v en dor tools) t o

sa tisfy th e custom er d esig flow

To furth er supp rt a n y gen era tors suppled w ith IP bun dles, t h e IP-X ACT DE tools n eed to be a ble t o

reco n iz a n d in t erfa ce w it h gen era tor-w ra pped p in t tools Th ese m a y be prov ided b a n oth er EDA

provider or b th e IP d esign er/ con sum er a s pa rt of a com pa n y ’s in tern a l d esig a n d v erifica tio flow In

gen era l, th ese supp rt spe ia liz d design -a ut om a t ion f a tures, such a s a rch itectura l-ru le ch eckin g

4.2 IP- X A CT IP ex cha ge flows

Th is subcla use describes a t y pica l IP exch a n ge flow th a t th e IP-X A CT spe ifica tion s t ech n ica lly supp rt

betwe n th e roles defin ed in 4.1 By wa y of exa m ple, the folowin g spe ific exch a n ge flow ca n ben efi from

use of th e IP-X A CT spe ifica tion :

Th e Com pon en t IP prov id er gen era t es a n IP-X A CT X ML pa cka ge a n d sen d s i to a SoC design tool

(EDA tool suppler) or directl t o a Pla t form (i.e SoC desig IP) prov ider Th e EDA tool suppler

im ports IP-XA CT XML IP a n d gen era t es pla tform IP a n d/ or upda tes (con figures) th e IP

com pon en ts Th e Pla tform prov ider gen era tes a con figura ble pla tform IP a n d ex ort s i in IP-X ACT

X ML form a t, w h ich th e en d user im ports to build sy stem a pplca tion s Th e pla t form prov ider ca n

a lso gen era te its own pla t form IP in to IP-X ACT form a t a n d sen d i to th e EDA prov id er

A lt h ough m a n y diferen t p s ible IP exch a n ge flow s exist, from th e user’s v iew poin t , th ere a re t h ree m ain

use m odels, a s folow s:

— IP (com pon en t or SoC design ) prov ider use m odel

— Gen era t or IP prov ider a n d desig tool prov id er) use m odel

— SoC d esig tool prov ider use m odel

4.2.1 Comp n nt or SoC d sig IP prov id r u e mod l

Th e IP prov ider a h a rdw a re com pon en t IP design er or pla tform IP a rch itect ) can use IP-XA CT t o pa ckage

IP in a sta n da rd a n d reusa ble form a t Th e first step con sists in crea t in g a n IP-X A CT XML pa cka ge (X ML

plu s a n y IP v iew s) to ex ort th e IP da ta ba se in a v a lid form a t To ex res t h is IP a s a n IP-X A CT IP, th e IP

prov id er n eeds to pa rse th e en tire d esig descriptio tree (w h ich is com posed of fies of diferen t ty pes: HDL

source fies, da t a sh eets, in terfa ces, pa ra m eters, etc.) an d pa cka ge i in t o a n IP-X A CT X ML form a t.Th is ca n

be a m a n ua l step (b d irectl ed itin g IP-X A CT com pla n t X ML) or a n a utom a t ed on e (u sin g scripts to

gen era te sch em a -com pla n t IP-X A CT XML)

On ce th e IP h a s be n pa cka ged in a n IP-X A CT form a t , th e IP prov ider ca n use a SoC design tool to w rit e/

debu g/sim ula t e/im plem en t th e IP

4.2.2 Ge erator prov id r u e mod l

Th e a ut h or of a gen era t or ex e t s to in tera ct w it h th e SoC d esig tool th rough a fixed in terfa ce d urin g w el

defin ed tim es in th e d esig lf cy cle: w h en com pon en ts a re in st a n t ia ted or m od ified or wh en a gen era tor

ch a in is st a rt ed

Gen era tors a re used with in t h e SoC d esign t ool to exten d its ca pa bi ties: w ra ppin g a p in t tool, e.g a

sim ula tor; wirin g up IP w ith in th e design ; or ch eckin g t h e desig is correct or m a y be m odify in g th e design

Ma n y of th ese f a tures m a y be su ppled b th e IP a u th or a n d h a n dled by gen era tors em bedd ed in th e IP

itself

Con sequen tly , th ere a re a t lea st t wo groups of gen era tor prov id ers: t h e IP v en d or w h o su pples gen era t ors

th a t a re writ ten spe ifica lly to supp rt t h eir IP, a n d gen eric gen era tor a u th ors wh o wish to exten d th e

f a t ures a v a ila ble with in t h e SoC d esign tool Th is la tt er group w il be m a in ly SoC d esig t ool v en d ors a t

first, but w il a lso com e to in clude th ird-pa rty gen era t or v en d ors

4.2.3 Sy tem d sig to l prov id r us mod l

Th e sy stem d esign tool ta kes IP-XACT com pon en ts a n d d esign s a s in put, con figu res th em , a n d loa ds t h em

in to it s own d a ta ba se form a t Th en i ca n a u tom a t e som e ta sks, such a s crea tin g th e pla tform , gen era tin g th e

com pon en t in t ercon n ect a n d bu s fa bric, a n d gen era tin g or upd a tin g t h e IP-X A CT IP a s a n outpu t (b

prov idin g n ew or upda ted X ML w it h t h e a t ta ch ed in form a t ion : n ew sou rce fies, pa ra m eters, docum en t a tion ,

etc.)

Custom er d esig flow s a re usu a lly com posed of a ch a in of diferen t tools from th e sa m e or diferen t EDA

v en dors (e.g w h en a n EDA prov ider is n ot prov idin g th e en tire tool ch a in t o cov er a ll th e user flow or th e

custom er is sele tin g th e best-in -cla ss p in t tools) To a ddres th is requirem en t, t h e EDA v en d or prov id in g

a n IP-XA CT en a bled tool n eeds t o rea d a n d produce t h e IP-X A CT spe ified form a t, a n d utilz an d

im plem en t t h e in terfa ces defin ed by IP-X A CT docum en t s In t h is u se m odel, ea ch SoC desig tool u ses it s

ow n gen era tors (p s ibly u tilzin g th e IP-X ACT TGI) to bu ild a n d upd a te its in tern a l m eta -da ta sta te an d

ex ort to a n IP-X ACT form a t.Th en th e IP-X A CT descriptio ca n be im ported b a n ot h er P-XA CT en a bled

EDA tool

5 Inter ace definit ion descript ions

5.1 Definition descriptions

In IP-XA CT, a group of p rts t h a t togeth er perform a fun ctio a re described b a set of elem en ts a n d

a ttributes spl a cros two description s, a bu s defin itio a n d a n a bstra ctio defin ition Th ese tw o description s

a re refren ced by com pon en t s or a bst ract ors in t h eir bus or a bstra ctor in t erfa ces

Th e b s defi ni ti on descriptio con ta in s th e h igh -level a t tributes of th e in terfa ce, in cludin g it em s such a s th e

con n ect io m eth od a n d in dica tion of a dd res in g

Th e a bstra cti on defi ni ti on con ta in s th e low-evel a tt ributes of the in terfa ce, in clu din g item s such a s th e

n a m e, direction , a n d w id th of th e p rt s Th is is a lst of lo ica l p rts th a t m a y a ppea r o a bus in terfa ce for

th a t bu s t y pe Se 6.5

5.2 Bus definit ion

Th e folow in g sch em a deta ils t h e in form a t ion con ta in ed in t h e b sDe i ni t ion elem en t, w h ich is on e of t h e

sev en t op-evel elem en t s in th e IP-X A CT spe ifica tio used to describe t h e h igh -lev el a spe ts of a bus