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From: Richard Henderson <rth@twiddle.net>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 1/7] Export the unassigned_mem read/write functions.
Date: Sun, 24 Jul 2011 09:42:03 -0700	[thread overview]
Message-ID: <4E2C4B5B.9030402@twiddle.net> (raw)
In-Reply-To: <4E2C1E0D.4050100@codemonkey.ws>

On 07/24/2011 06:28 AM, Anthony Liguori wrote:
> On 07/23/2011 02:17 PM, Richard Henderson wrote:
>> Signed-off-by: Richard Henderson<rth@twiddle.net>
> 
> Why?

So that I can write i/o functions like this:

  switch (addr) {
  case 0: ...
  case 64: ...
  case 128: ...
  ...
  default:
    unassigned_mem_readl(...)
  }

Perhaps Avi's rewrite makes this unnecessary; I browsed through
his patch set but didn't immediately see if there's a way for
the i/o function to return "failure".

What I certainly don't want to do is write this with 100 tiny
functions registering 8 bytes each, registered some tiny 
distance away from each other.


r~

  reply	other threads:[~2011-07-24 16:42 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-23 19:17 [Qemu-devel] [PULL 0/7] Alpha system emulation, v7 Richard Henderson
2011-07-23 19:17 ` [Qemu-devel] [PATCH 1/7] Export the unassigned_mem read/write functions Richard Henderson
2011-07-24 13:28   ` Anthony Liguori
2011-07-24 16:42     ` Richard Henderson [this message]
2011-07-24 18:56       ` Anthony Liguori
2011-07-24 19:00         ` Richard Henderson
2011-07-25  1:47           ` Anthony Liguori
2011-07-25  2:14             ` Richard Henderson
2011-08-04 23:58         ` Edgar E. Iglesias
2011-08-05 15:39           ` Richard Henderson
2011-07-23 19:17 ` [Qemu-devel] [PATCH 2/7] pci: Export pci_to_cpu_addr Richard Henderson
2011-07-23 19:17 ` [Qemu-devel] [PATCH 3/7] target-alpha: Add custom PALcode image for CLIPPER emulation Richard Henderson
2011-07-23 19:17 ` [Qemu-devel] [PATCH 4/7] target-alpha: Add " Richard Henderson
2011-07-23 19:17 ` [Qemu-devel] [PATCH 5/7] target-alpha: Implement WAIT IPR Richard Henderson
2011-07-30 11:07   ` Blue Swirl
2011-07-23 19:17 ` [Qemu-devel] [PATCH 6/7] target-alpha: Implement HALT IPR Richard Henderson
2011-07-23 19:17 ` [Qemu-devel] [PATCH 7/7] target-alpha: Add high-resolution access to wall clock and an alarm Richard Henderson

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