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Re: [Qemu-devel] [PATCH v2] bitops.h: Add field32() and field64() functi
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PATCH v2] bitops.h: Add field32() and field64() functions to extract bitfields |
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Date: |
Wed, 27 Jun 2012 14:01:54 +0100 |
On 27 June 2012 12:29, Andreas Färber <address@hidden> wrote:
> Do you have followup patches that make use of this? Might illustrate
> what variables and types are being passed in.
Here's a random snippet from the LPAE patch I'm working on:
uint32_t t0sz = field32(env->cp15.c2_control, 0, 3);
uint32_t t1sz = field32(env->cp15.c2_control, 16, 3);
I expect that in almost all cases the size and length values
will just be constants.
-- PMM