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Re: [Qemu-devel] About TCG_AREG0
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] About TCG_AREG0 |
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Date: |
Thu, 25 Aug 2016 10:17:49 -0400 |
On 25 August 2016 at 09:53, Ren Kimura <address@hidden> wrote:
> Hi.
> I have a question about TCG_AREG0 register.
>
> TCG_AREG0 register is used to point CPUArchState *env. Is is correct?
Yes.
> When host architecture is x64, all memory operations to 0x**(r14) that
> actually qemu execute equivalent to access to env->register?
Yes, since r14 (in this case) is a pointer to env then loads
and stores to r14+constant are accesses to env struct fields.
thanks
-- PMM