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From: Hollis Blanchard <hollis_blanchard@mentor.com>
To: Alistair Francis <alistair.francis@xilinx.com>, qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, crosthwaitepeter@gmail.com,
	cov@codeaurora.org, lig.fnst@cn.fujitsu.com, pbonzini@redhat.com
Subject: Re: [Qemu-devel] [PATCH v1 2/2] generic-loader: Add a generic loader
Date: Thu, 18 Feb 2016 10:23:12 -0800	[thread overview]
Message-ID: <56C60C10.1070204@mentor.com> (raw)
In-Reply-To: <174e5d40f6c59bf57ea997c0575f21b8b67ce5d6.1455739133.git.alistair.francis@xilinx.com>

On 02/17/2016 01:04 PM, Alistair Francis wrote:
> +static void generic_loader_reset(DeviceState *dev)
> +{
> +    GenericLoaderState *s = GENERIC_LOADER(dev);
> +
> +    if (s->cpu) {
> +        CPUClass *cc = CPU_GET_CLASS(s->cpu);
> +        cpu_reset(s->cpu);
> +        cc->set_pc(s->cpu, s->addr);
> +    }
> +
> +    if (s->data_len) {
> +        dma_memory_write((s->cpu ? s->cpu : first_cpu)->as, s->addr, &s->data,
> +                         s->data_len);
> +    }
> +}

What happens if I accidentally make "data-len" bigger than 
sizeof(s->data)? I think some bounds checking is needed?

Hollis Blanchard
Mentor Graphics Emulation Division

  parent reply	other threads:[~2016-02-18 18:23 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-17 21:04 [Qemu-devel] [PATCH v1 0/2] Add a generic loader Alistair Francis
2016-02-17 21:04 ` [Qemu-devel] [PATCH v1 1/2] qdev-monitor.c: Register reset function if the device has one Alistair Francis
2016-02-18  9:56   ` Markus Armbruster
2016-02-18 18:47     ` Alistair Francis
2016-02-18 21:47     ` Paolo Bonzini
2016-02-18 23:07       ` Peter Crosthwaite
2016-02-19  0:02         ` Alistair Francis
2016-02-19  9:33         ` Paolo Bonzini
2016-02-19 10:55           ` Peter Maydell
2016-02-19 17:17             ` Paolo Bonzini
2016-02-19  9:58       ` Markus Armbruster
2016-02-19 17:15     ` Andreas Färber
2016-02-19 18:53       ` Alistair Francis
2016-02-17 21:04 ` [Qemu-devel] [PATCH v1 2/2] generic-loader: Add a generic loader Alistair Francis
2016-02-17 21:41   ` Eric Blake
2016-02-18  0:03     ` Alistair Francis
2016-02-18  0:11       ` Eric Blake
2016-02-18  0:17         ` Alistair Francis
2016-02-18 18:23   ` Hollis Blanchard [this message]
2016-02-18 18:49     ` Alistair Francis
2016-02-18 18:58       ` Hollis Blanchard
2016-02-18 19:34         ` Alistair Francis
2016-02-18 18:27 ` [Qemu-devel] [PATCH v1 0/2] " Hollis Blanchard
2016-02-18 19:02   ` Alistair Francis
2016-02-18 20:01     ` Peter Maydell

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