Feb 1, 2002 - ABSTRACT. Data processing apparatus comprising: a processor core hav ing means for executing successive pr
USO0RE43248E
(19) United States (12) Reissued Patent
(10) Patent Number: US RE43,248 E (45) Date of Reissued Patent: Mar. 13, 2012
Nevill (54)
INTEROPERABILITY WITH MULTIPLE
4,398,243 A
8/1983 Holberger et al.
INSTRUCTION SETS
4,434,459 A 4,434,461 A 4,459,657 A
2/1984 Holland et a1. 2/1984 Puhl 7/1984 Murao
(75) Inventor:
Edward Colles Nevill, Huntingdon (GB)
(73) Assignee: ARM Limited, Cambridge (GB)
4,511,966 A
4/1985
Hamada ...................... .. 364/200
4,514,803 A
4/1985
Agnew et a1. ............... .. 364/200
4,554,627 A
11/1985 Holland et a1.
(Continued)
(21) Appl. No.: 10/066,475
FOREIGN PATENT DOCUMENTS
(22)
Filed:
Feb. 1, 2002
109567
EP
Reissue of:
(64)
10/1983
(Continued)
Related US. Patent Documents
OTHER PUBLICATIONS
Patent No.:
6,021,265
Issued:
Feb. 1, 2000
Order Construing Disputed Claims and Terms, ARM Limited v.
Appl. No.:
08/840,557 Apr. 14, 1997
picoTurbo, Inc, Case No. C-00-00957 (N.D. Calif, Jun. 15,
U.S. Applications: (62) Division ofapplicationNo. 08/477,781, ?led on Jun. 7,
(Continued)
Filed:
2001)(Wilken, 1.).
1995, noW Pat. No. 5,758,115.
(30)
Primary Examiner * Kenneth R Coulter
(74) Attorney, Agent, or Firm * White & Case LLP
Foreign Application Priority Data
(57) Jun. 10, 1994
(GB) .................................... .. 9411670
(51)
Int. Cl. G06F 9/30
(52)
US. Cl. ...................................... .. 712/209; 712/210
(58)
Field of Classi?cation Search ................ .. 712/209,
(2006.01)
executed; a program counter register for indicating the address of a next program instruction Word in the data memory; means for modifying the contents of the program counter register in response to a current program instruction Word; and control means, responsive to one or more prede
712/210
See application ?le for complete search history. (56)
References Cited
termined indicator bits of the program counter register, for controlling the processor core to execute program instruction Words of a current instruction set selected from the predeter
U.S. PATENT DOCUMENTS 4,217,638 A 4,236,204 A 4,274,138 A
8/1980 Namimoto et al. 11/1980 Groves 6/1981 Shimokawa
4,338,663 A
7/1982
4,346,437 A
8/1982 Blahut et a1.
mined plurality of instruction sets and speci?ed by the state of the one or more indicator bits of the program counter register.
Strecker et a1. ............. .. 712/228
10
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ABSTRACT
Data processing apparatus comprising: a processor core hav ing means for executing successive program instruction Words of a predetermined plurality of instruction sets; a data memory for storing program instruction Words to be
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US RE43,248 E Page 2 US. PATENT DOCUMENTS
8887 888,888,888.
5;
533333;;
3433;
9/1987 Keeley et a1. ............... .. 364/200 .
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eta
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Defendant picoTurbo’s Civil L.R. 16-9(b)(1)-(4) Response Chart Concerning US. Patent No. 6,021,265, ARM Llmlted v.plc0Turb0, -
.
.
.
Inc, Case N0. C-00-00957 (N.D. Calif, Dec. 22, 2000). Initial Disclosure by Defendant picoTurbo, Inc. of Prior Art Under
2/1995 Fitch ........................... .. 711/202
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’
’
"m
’
’
’
ay
1
'
_
_
Second Supplement to Defendant picoTurbo’s Civil L.R. 16-9(b)(1) Response Charts, Jun~ 6,2001, picoTurbo’s Third Supplemental Response Charts, Aug. 31, 2001.
5,542,059 A
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5’598’546 A
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5,600,845 A
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5 606 714 A
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Gilson
...... ..
Plaintiff ARM’s Reply Brief on Claim Construction, Mar. 22, 2001. . 395/800
.
5,630,083 A
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536303153 A
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tories to ARM, Limited, Aug. 14, 2000 (Interrogatories 1 and2 only). Defendant picoTurbo, Inc.’s Response to Plaintiff ARM’s Second
5,664,147 A 5,666,355 A
9/1997 May?eld ..................... .. 711/137 9/1997 Huah et al. .................. .. 370/311
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5,689,672 A
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Memorandum of Points and Authorities in Support of Plaintiff
5’692’l52 A
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5,701,493 A
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Jaggar
4/1998
5/1998 Nevin 7/1998 Blomgren et a1‘ “““““ “ 712009
Jaggar
ARM’s Opposition and Cross Motion for Summary Judgment that the Patents-in-Suit are not Invalid, Nov. 2, 2001. . . , . . . . . Plaintiff ARM s Reply in Support of its Opposition and Cross Motion for Summary Judgment that the Patents-in-Suit are not Invalid.
5,740,461
A
5 758 l 15 A 5,781,750 A 88
537843585 A
7/1998 Denman
picoTurbo’s Reply in Support of Motion for Summary Judgment on
5,784,636 A
7/199g Rupp ,,,,,,,,,,,,,,,,,,,,, ,, 395/g0037
Invalidity and Opposition to ARM’s Cross-Motion, Nov. 9, 2001.
5,796,973 A
8/1998 Witt et a1,
Declaration of Professor Alan Jay Smith, Oct. 17, 2001.
5,968,161 A
10/1999 Southgate ..................... .. 712/37
Supplemental Declaration ofProfessorAlan Jay Smith,Nov. 8, 2001.
5,970,254 A
10/1999 C001_
