From: Randolph Chung <randolph@tausq.org>
To: John David Anglin <dave@hiauly1.hia.nrc.ca>
Cc: Carlos O'Donell <carlos@baldric.uwo.ca>,
bdale@gag.com, parisc-linux@parisc-linux.org
Subject: Re: [parisc-linux] ["CSA Test Drive" <TestDrive@compaq.com>] FW: Some issues
Date: Wed, 11 Dec 2002 22:50:59 -0800 [thread overview]
Message-ID: <20021212065059.GQ21187@tausq.org> (raw)
In-Reply-To: <200212112305.gBBN5Bdj021432@hiauly1.hia.nrc.ca>
> The code doesn't seem to trap on a A500 which I believe is a PA8500.
> I think we need to look at bits 0..1 of the coprocessor configuration
> register to determine instruction validity. See table 8-6 on page 8-11.
it does cause a trap actually, we just don't usually print it.
FP assist exception at 0x10433
FP VZOUICxxxxCQCQCQCQCQCRMxxTDVZOUI ->
00000000000000000000000001000000
i'm confused tho because that iaoq doesn't point where i thought it
might point. is this because of delayed exceptions?
(oh, as an aside, looks like there's a small objdump bug :-)
00010428 <ull2dbl>:
10428: 0f d9 12 81 stw r25,-10(sr0,sp)
1042c: 0f da 12 89 stw r26,-c(sr0,sp)
10430: 2f c1 10 16 fldd -10(sr0,sp),fr22
10434: e8 40 d0 00 bve (rp)
10438: 32 c2 aa 04 fcnv Disassembler botch.
(should be fcnv,udw,dbl %fr22,%fr4)
randolph
--
Randolph Chung
Debian GNU/Linux Developer, hppa/ia64 ports
http://www.tausq.org/
next prev parent reply other threads:[~2002-12-12 6:46 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-11 21:13 [parisc-linux] ["CSA Test Drive" <TestDrive@compaq.com>] FW: Some issues Bdale Garbee
2002-12-11 22:03 ` John David Anglin
2002-12-11 22:44 ` Carlos O'Donell
2002-12-11 23:05 ` John David Anglin
2002-12-11 23:17 ` Carlos O'Donell
2002-12-12 6:50 ` Randolph Chung [this message]
2002-12-12 12:15 ` Matthew Wilcox
2003-01-10 7:54 ` [parisc-linux] Re: floating point exception error Randolph Chung
2003-01-10 18:08 ` Jim Hull
2003-01-10 18:35 ` Randolph Chung
2003-01-10 18:48 ` John David Anglin
2003-01-10 22:30 ` Jim Hull
2003-01-11 6:16 ` Randolph Chung
2003-01-11 7:10 ` Grant Grundler
2003-01-11 18:31 ` John David Anglin
2003-01-12 8:37 ` Randolph Chung
2003-01-13 15:58 ` jsoe0708
2003-01-13 16:57 ` Randolph Chung
2003-01-13 17:16 ` jsoe0708
2003-01-13 17:16 ` Randolph Chung
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