From: Richard Henderson <rth@twiddle.net>
To: Aurelien Jarno <aurelien@aurel32.net>
Cc: peter.maydell@linaro.org, riku.voipio@iki.fi, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 09/10] mipsn32-linux-user: Restrict address space to 31-bits.
Date: Tue, 26 Mar 2013 14:08:56 -0700 [thread overview]
Message-ID: <51520E68.3050304@twiddle.net> (raw)
In-Reply-To: <20130326195028.GD22106@hall.aurel32.net>
On 03/26/2013 12:50 PM, Aurelien Jarno wrote:
>>> > > -# ifdef TARGET_MIPS
>>> > > +# if HOST_LONG_BITS == 64 \
>>> > > + && (defined(TARGET_ABI_MIPSO32) || defined(TARGET_ABI_MIPSN32))
>>> > > /* MIPS only supports 31 bits of virtual address space for user space */
>>> > > -unsigned long reserved_va = 0x77000000;
>>> > > -# else
>>> > > +unsigned long reserved_va = 0x7f000000;
>> >
>> > Is it really wanted to change 0x77 into 0x7f? If yes, I think the
>> > commit log should explain why.
>> >
> Ping?
As far as I could remember, that 0x77 was totally arbitrary too,
and so I thought I'd "fix" it. I don't recall more, sorry.
r~
next prev parent reply other threads:[~2013-03-26 21:09 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1360521050-29680-1-git-send-email-rth@twiddle.net>
[not found] ` <1360521050-29680-8-git-send-email-rth@twiddle.net>
2013-03-05 11:18 ` [Qemu-devel] [PATCH 07/10] mips64-linux-user: Use MIPS64R2-generic as default cpu Aurelien Jarno
[not found] ` <1360521050-29680-9-git-send-email-rth@twiddle.net>
2013-03-05 13:38 ` [Qemu-devel] [PATCH 08/10] target-mips: Fix check_cp1_64bitmode Aurelien Jarno
[not found] ` <1360521050-29680-10-git-send-email-rth@twiddle.net>
2013-03-05 14:03 ` [Qemu-devel] [PATCH 09/10] mipsn32-linux-user: Restrict address space to 31-bits Aurelien Jarno
2013-03-26 19:50 ` Aurelien Jarno
2013-03-26 21:08 ` Richard Henderson [this message]
2013-03-05 14:10 ` [Qemu-devel] [PATCH 00/10] Support mips64/mipsn32-linux-user Aurelien Jarno
[not found] ` <1360521050-29680-7-git-send-email-rth@twiddle.net>
2013-06-09 17:46 ` [Qemu-devel] [PATCH] target-mips: 64-bit FPU for user-mode emulation Thomas Schwinge
2013-06-10 14:21 ` Maciej W. Rozycki
[not found] <BA5E4206D1AE49DC9AB5F41EFE90E70F@domain.local>
2013-07-28 2:39 ` Petar Jovanovic
2013-08-05 14:15 ` Thomas Schwinge
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