Patent
1997-08-21
1999-03-30
Ramirez, Ellis B.
G06F 1700
Patent
active
058900101
ABSTRACT:
A data processing apparatus wherein, upon occurrence of an exception in a coprocessor, appropriate and flexible exception processing can be performed and the regularity of operation of the coprocessor can be verified. The data processing apparatus includes a command execution control section provided in a CPU for receiving a command to access a coprocessor command storage section of the coprocessor and executing the command to access the coprocessor command storage section. A group of commands is adopted for executing such access so that the CPU can execute access to the coprocessor command storage section. The data processing apparatus can be applied to a data processing apparatus having a coprocessor such as a floating-point calculation apparatus.
REFERENCES:
patent: 4803481 (1989-02-01), Mueller et al.
patent: 4860191 (1989-08-01), Nomura et al.
patent: 4901232 (1990-02-01), Harrington et al.
patent: 4926318 (1990-05-01), Nakayama
patent: 5093908 (1992-03-01), Beacom et al.
patent: 5133057 (1992-07-01), Ishii et al.
patent: 5197138 (1993-03-01), Hobbs et al.
patent: 5218711 (1993-06-01), Yoshida
patent: 5293586 (1994-03-01), Yamazaki et al.
patent: 5567900 (1996-10-01), Higashi
Fujitsu Limited
Ramirez Ellis B.
LandOfFree
Data processing apparatus with a coprocessor which asynchronousl does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Data processing apparatus with a coprocessor which asynchronousl, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Data processing apparatus with a coprocessor which asynchronousl will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1224016