From: DJBARROW@de.ibm.com
To: Andrew Cagney <ac131313@cygnus.com>
Cc: gdb-patches@sourceware.cygnus.com
Subject: Re: New gdb 31 & 64 bit patches for S/390
Date: Mon, 18 Jun 2001 03:32:00 -0000 [thread overview]
Message-ID: <C1256A6F.0039DE0C.00@d12mta09.de.ibm.com> (raw)
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Hi Andrew,
It is a 31 bit architecture owing to an addressing mode limitation ( it
never was known as a 32 bit arch though all the registers are 32 bit ).
The 370 was 24 bit & a beautiful design decision was made to signify a 31
bit address to use the hi bit of a 32 bit address.
After recognising their mistake the zSeries is 64 bit clean.
D.J. Barrow Gnu/Linux for S/390 kernel developer
eMail: djbarrow@de.ibm.com,barrow_dj@yahoo.com
Phone: +49-(0)7031-16-2583
IBM Germany Lab, Schönaicherstr. 220, 71032 Böblingen
Andrew Cagney <ac131313@cygnus.com> on 15.06.2001 18:52:52
Please respond to Andrew Cagney <ac131313@cygnus.com>
To: Denis Joseph Barrow/Germany/Contr/IBM@IBMDE
cc: gdb-patches@sourceware.cygnus.com, s390-patches@gnu.org, Martin
Schwidefsky/Germany/IBM@IBMDE, Christoph Arenz/Germany/IBM@IBMDE
Subject: Re: New gdb 31 & 64 bit patches for S/390
next reply other threads:[~2001-06-18 3:32 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-18 3:32 DJBARROW [this message]
[not found] <OFEFF0AD94.761C34C1-ONC1256AB6.005503EE@de.ibm.com>
2001-08-28 16:33 ` Daniel Jacobowitz
2001-09-05 21:45 ` Andrew Cagney
-- strict thread matches above, loose matches on Subject: below --
2001-08-15 2:22 Denis Joseph Barrow
2001-08-15 9:03 ` Andrew Cagney
2001-08-15 9:54 ` Andrew Cagney
2001-08-13 9:47 Denis Joseph Barrow
2001-08-13 3:06 Denis Joseph Barrow
2001-08-13 9:31 ` Andrew Cagney
2001-07-06 2:31 Denis Joseph Barrow
2001-07-05 10:24 Denis Joseph Barrow
2001-07-05 12:46 ` Andrew Cagney
2001-07-08 0:53 ` Eli Zaretskii
2001-07-08 19:23 ` Andrew Cagney
2001-07-05 9:19 Denis Joseph Barrow
2001-07-05 12:36 ` Andrew Cagney
2001-07-05 9:15 Denis Joseph Barrow
2001-07-05 5:04 Denis Joseph Barrow
2001-07-05 3:57 Denis Joseph Barrow
2001-07-05 10:11 ` Andrew Cagney
2001-07-05 10:11 ` Andrew Cagney
2001-07-05 3:12 Denis Joseph Barrow
[not found] <C1256A02.00573066.00@d12mta09.de.ibm.com>
2001-03-01 10:39 ` Nick Clifton
2001-03-01 2:50 DJBARROW
2001-03-01 10:37 ` Nick Clifton
2001-02-27 12:39 DJBARROW
2001-02-28 16:13 ` Nick Clifton
2001-06-15 9:53 ` Andrew Cagney
2001-06-15 11:46 ` Andreas Jaeger
2001-06-15 12:22 ` Andrew Cagney
2001-07-04 11:25 ` Andrew Cagney
2001-07-04 21:02 ` Andrew Cagney
2001-07-04 21:02 ` Andrew Cagney
2001-07-04 21:02 ` Andrew Cagney
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