From: Richard Sandiford <rdsandiford@googlemail.com>
To: David Daney <ddaney@caviumnetworks.com>
Cc: linux-mips <linux-mips@linux-mips.org>, GCC <gcc@gcc.gnu.org>,
binutils <binutils@sourceware.org>,
Prasun Kapoor <prasun.kapoor@caviumnetworks.com>
Subject: Re: RFC: A new MIPS64 ABI
Date: Mon, 21 Feb 2011 19:45:00 -0000 [thread overview]
Message-ID: <87hbbxqihm.fsf@firetop.home> (raw)
In-Reply-To: <4D5990A4.2050308__41923.1521235362$1297715435$gmane$org@caviumnetworks.com> (David Daney's message of "Mon, 14 Feb 2011 12:29:24 -0800")
David Daney <ddaney@caviumnetworks.com> writes:
> Background:
>
> Current MIPS 32-bit ABIs (both o32 and n32) are restricted to 2GB of
> user virtual memory space. This is due the way MIPS32 memory space is
> segmented. Only the range from 0..2^31-1 is available. Pointer
> values are always sign extended.
>
> Because there are not already enough MIPS ABIs, I present the ...
>
> Proposal: A new ABI to support 4GB of address space with 32-bit
> pointers.
FWIW, I'd be happy to see this go into GCC.
Richard
next parent reply other threads:[~2011-02-21 19:45 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4D5990A4.2050308__41923.1521235362$1297715435$gmane$org@caviumnetworks.com>
2011-02-21 19:45 ` Richard Sandiford [this message]
2011-05-09 14:27 ` Ralf Baechle
2011-05-09 17:47 ` David Daney
2011-02-14 20:29 David Daney
2011-02-15 0:15 ` Matt Thomas
2011-02-15 1:57 ` Paul Koning
2011-02-15 2:15 ` Joe Buck
2011-02-15 2:16 ` Paul Koning
2011-02-15 2:26 ` David Daney
2011-02-15 2:35 ` Matt Thomas
2011-02-15 2:43 ` David Daney
2011-02-15 17:33 ` Joseph S. Myers
2011-02-15 18:15 ` David Daney
2011-02-15 2:22 ` David Daney
2011-02-15 2:33 ` Matt Thomas
2011-02-15 2:50 ` David Daney
2011-02-15 3:02 ` Matt Thomas
2011-02-15 17:41 ` David Daney
2011-02-15 17:48 ` Paul Koning
2011-02-15 17:56 ` Alexandre Oliva
2011-02-15 18:08 ` David Daney
2011-05-06 8:31 ` Alexandre Oliva
2011-05-06 17:00 ` David Daney
2011-02-18 1:02 ` David Daney
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