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Re: [Qemu-devel] [PATCH 09/10] mipsn32-linux-user: Restrict address spac
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] [PATCH 09/10] mipsn32-linux-user: Restrict address space to 31-bits. |
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Date: |
Tue, 26 Mar 2013 14:08:56 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130311 Thunderbird/17.0.4 |
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~