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From: Michael Eager <eager@eagerm.com>
To: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: qemu-devel <qemu-devel@nongnu.org>,
	Fabien Chouteau <chouteau@adacore.com>
Subject: Re: [Qemu-devel] clk_setup decl missing in virtex_init
Date: Mon, 07 Nov 2011 15:25:45 -0800	[thread overview]
Message-ID: <4EB868F9.6050609@eagerm.com> (raw)
In-Reply-To: <20111107230521.GC14307@zapo>

Works for me.

On 11/07/2011 03:05 PM, Edgar E. Iglesias wrote:
> On Mon, Nov 07, 2011 at 02:46:47PM -0800, Michael Eager wrote:
>> The declaration of clk_setup is missing in
>> qemu/hw/virtex_ml507.c:
>>
>> static void virtex_init(ram_addr_t ram_size,
>>                          const char *boot_device,
>>                          const char *kernel_filename,
>>                          const char *kernel_cmdline,
>>                          const char *initrd_filename, const char *cpu_model)
>> {
>> ...
>> <no decl for clk_setup>
>> ...
>>      memset(clk_setup, 0, sizeof(clk_setup));
>>
>> This SEGVs because clk_setup is an inline function defined in ppc.h.
>> (I presume that the linker generates an out-of-line copy.)
>>
>> It isn't clear what the declaration should be.  In ppc405_uc.c, there
>> is a decl:
>>     clk_setup_t clk_setup[PPC405EP_CLK_NB];
>
>
> Hi
>
> the following patch seems to work on my side. Fabien, could
> you please see if this was your intention? It seems to be
> commit ddd1055b07fdfe488a22c2275adaca75f4206d30 that
> introduced the segfault.
>
> Cheers
>
> commit 8e95771e4afb6e91c30a53943118afef4631b919
> Author: Edgar E. Iglesias<edgar.iglesias@gmail.com>
> Date:   Tue Nov 8 00:00:55 2011 +0100
>
>      virtex: Remove memset of clk_setup
>
>      clk_setup is now a function.
>
>      Signed-off-by: Edgar E. Iglesias<edgar.iglesias@gmail.com>
>
> diff --git a/hw/virtex_ml507.c b/hw/virtex_ml507.c
> index d31a204..5ea0e60 100644
> --- a/hw/virtex_ml507.c
> +++ b/hw/virtex_ml507.c
> @@ -202,7 +202,6 @@ static void virtex_init(ram_addr_t ram_size,
>           cpu_model = "440-Xilinx";
>       }
>
> -    memset(clk_setup, 0, sizeof(clk_setup));
>       env = ppc440_init_xilinx(&ram_size, 1, cpu_model, 400000000);
>       qemu_register_reset(main_cpu_reset, env);
>
>


-- 
Michael Eager	 eager@eagercon.com
1960 Park Blvd., Palo Alto, CA 94306  650-325-8077

  reply	other threads:[~2011-11-07 23:25 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-07 22:46 [Qemu-devel] clk_setup decl missing in virtex_init Michael Eager
2011-11-07 23:05 ` Edgar E. Iglesias
2011-11-07 23:25   ` Michael Eager [this message]
2011-11-08 21:01     ` Edgar E. Iglesias
2011-11-14  8:52   ` Fabien Chouteau

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