From: Aravindh Puthiyaparambil <aravindh@virtuata.com>
To: Tim Deegan <Tim.Deegan@citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: [PATCH] mem_event: Allow memory access listener to perform single step execution
Date: Fri, 27 May 2011 09:36:32 -0700 [thread overview]
Message-ID: <BANLkTinycxFpscdxS+C57=QhPjbuP184CQ@mail.gmail.com> (raw)
In-Reply-To: <20110527083943.GA31871@whitby.uk.xensource.com>
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Can this be included in xen-4.1-testing.hg too so that it could make the Xen
4.1.1 cut?
Thanks,
Aravindh
On May 27, 2011 1:39 AM, "Tim Deegan" <Tim.Deegan@citrix.com> wrote:
> At 04:39 +0100 on 27 May (1306471145), Aravindh Puthiyaparambil wrote:
>> mem_event: Allow memory access listener to perform single step execution.
>> Add a new memory event that handles single step. This allows the memory
access listener to handle instructions that modify data within the execution
page.
>> This can be enabled in the listener by doing:
>> xc_set_hvm_param(xch, domain_id, HVM_PARAM_MEMORY_EVENT_SINGLE_STEP,
HVMPME_mode_sync)
>>
>> Now the listener can start single stepping by:
>> xc_domain_debug_control(xch, domain_id,
XEN_DOMCTL_DEBUG_OP_SINGLE_STEP_ON, vcpu_id)
>>
>> And stop single stepping by:
>> xc_domain_debug_control(xch, domain_id,
XEN_DOMCTL_DEBUG_OP_SINGLE_STEP_OFF, vcpu_id)
>>
>> Signed-off-by: Aravindh Puthiyaparambil <aravindh@virtuata.com>
>
> Acked-by: Tim Deegan <Tim.Deegan@citrix.com>
>
> --
> Tim Deegan <Tim.Deegan@citrix.com>
> Principal Software Engineer, Xen Platform Team
> Citrix Systems UK Ltd. (Company #02937203, SL9 0BG)
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next prev parent reply other threads:[~2011-05-27 16:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-27 3:39 [PATCH] mem_event: Allow memory access listener to perform single step execution Aravindh Puthiyaparambil
2011-05-27 8:39 ` Tim Deegan
2011-05-27 16:36 ` Aravindh Puthiyaparambil [this message]
2011-05-28 7:53 ` Keir Fraser
2011-05-28 17:48 ` Aravindh Puthiyaparambil
2011-05-28 21:41 ` Keir Fraser
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