From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Shannon Zhao <zhaoshenglong@huawei.com>,
Julien Grall <julien.grall@arm.com>,
xen-devel@lists.xen.org
Cc: wei.liu2@citrix.com, sstabellini@kernel.org,
ian.jackson@eu.citrix.com, shannon.zhao@linaro.org,
peter.huangpeng@huawei.com
Subject: Re: [PATCH v2 11/17] libxl/arm: Construct ACPI DSDT table
Date: Tue, 28 Jun 2016 09:41:00 -0400 [thread overview]
Message-ID: <57727E6C.6020600@oracle.com> (raw)
In-Reply-To: <5772599B.4050808@huawei.com>
On 06/28/2016 07:03 AM, Shannon Zhao wrote:
>
> On 2016/6/27 20:05, Boris Ostrovsky wrote:
>>
>> On 06/27/2016 06:29 AM, Julien Grall wrote:
>>> (CC Boris and Doug)
>>>
>>> Hi Shannon,
>>>
>>> On 27/06/16 07:01, Shannon Zhao wrote:
>>>> On 2016/6/24 1:03, Julien Grall wrote:
>>>>> On 23/06/16 04:16, Shannon Zhao wrote:
>>>>>
>>>>> [...]
>>>>>
>>>>>> diff --git a/tools/libxl/Makefile b/tools/libxl/Makefile
>>>>>> index 264b6ef..5347480 100644
>>>>>> --- a/tools/libxl/Makefile
>>>>>> +++ b/tools/libxl/Makefile
>>>>>> @@ -77,7 +77,29 @@ endif
>>>>>>
>>>>>> LIBXL_OBJS-$(CONFIG_X86) += libxl_cpuid.o libxl_x86.o libxl_psr.o
>>>>>> LIBXL_OBJS-$(CONFIG_ARM) += libxl_nocpuid.o libxl_arm.o
>>>>>> libxl_libfdt_compat.o
>>>>>> -LIBXL_OBJS-$(CONFIG_ARM) += libxl_arm_acpi.o
>>>>>> +LIBXL_OBJS-$(CONFIG_ARM) += libxl_arm_acpi.o libxl_dsdt_anycpu_arm.o
>>>>>> +
>>>>>> +vpath iasl $(PATH)
>>>>>> +libxl_mk_dsdt_arm: libxl_mk_dsdt_arm.c
>>>>>> + $(CC) $(CFLAGS) -o $@ libxl_mk_dsdt_arm.c
>>>>>> +
>>>>>> +libxl_dsdt_anycpu_arm.asl: libxl_empty_dsdt_arm.asl libxl_mk_dsdt_arm
>>>>>> + awk 'NR > 1 {print s} {s=$$0}' $< > $@
>>>>>> + ./libxl_mk_dsdt_arm >> $@
>>>>>> +
>>>>>> +libxl_dsdt_anycpu_arm.c: %.c: iasl %.asl
>>>>>> + iasl -vs -p $* -tc $*.asl
>>>>>> + sed -e 's/AmlCode/$*/g' $*.hex >$@
>>>>>> + echo "int $*_len=sizeof($*);" >>$@
>>>>>> + rm -f $*.aml $*.hex
>>>>>> +
>>>>> I don't like the idea to add iasl as a dependency for all ARM
>>>>> platforms.
>>>>> For instance ARMv7 platform will not use ACPI, but we still ask
>>>>> users to
>>>>> install iasl. So I think we should allow the user to opt-in/opt-out for
>>>>> ACPI.
>>>>>
>>>>> Any opinions?
>>>>>
>>>> I agree. But how to exclude for ARMv7. I notice it only has the option
>>>> CONFIG_ARM which doesn't distinguish ARM32 and ARM64.
>>> I am not sure if we plan to introduce Kconfig for tools. If not, you
>>> can add an option to the configure to enable/disable ACPI for guest.
>>>
>>> This would be gated by the presence of "iasl".
>>>
>>> [...]
>>>
>>>>>> diff --git a/tools/libxl/libxl_mk_dsdt_arm.c
>>>>>> b/tools/libxl/libxl_mk_dsdt_arm.c
>>>>>> new file mode 100644
>>>>>> index 0000000..96fadbd
>>>>>> --- /dev/null
>>>>>> +++ b/tools/libxl/libxl_mk_dsdt_arm.c
>>>>> Can we share the code from tools/firmware/acpi/mk_dsdt.c?
>>>>>
>>>> Yeah, we can share push_block(), pop_block() stmt() and indent() but the
>>>> main() function is totally different since there are only the processor
>>>> device objects for ARM DSDT but there are many other things in x86.
>>>>
>>>> I think that since Boris will move the codes under
>>>> tools/firmware/hvmloader/acpi to other place, after that we could see
>>>> how to share codes then.
>>> I would prefer if we discuss about it now in order to avoid code
>>> duplication (I have CCed Boris).
>>>
>>> For instance we can create a new directory under tools for mk_dsdt.c.
>>> The main could be different, although it might be possible to gate ARM
>>> options, and the rest of the code would be shared.
>>
>> So I think we decided earlier to keep ARM and x86 ACPI builders
>> separate, at least for now.
> I think so as well.
>
>> However, looking at the Makefile and mk_dsdt
>> I wonder whether it would make sense to put the builders in the same
>> directory (I am currently using tools/libacpi) so that those two files
>> can be kept common as much as possible, with the sources being
>> different. E.g. something like
>>
>> tools/libacpi:
>> Makefile
>> mk_dsdt.c
>> acpi_x86.[ch]
>> acpi_arm.[ch]
>> *asl
>> etc.
>>
>> The objects will be built in tools/libxl (there will be no libacpi.so)
>> but the infrastructure and sources will live together.
> I'm fine with this. But I think the patch moving the codes into
> tools/libacpi should be posted firstly, since this series depend on it.
> Boris, could you please send that patch? Then I can add the
> corresponding ARM patch on top of that.
I thought I had it almost ready yesterday but I encountered a problem
that I need to resolve before I post it. If I don't get it fixed in the
next couple of days I will send you a link to my repository so that you
can see what I have.
-boris
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next prev parent reply other threads:[~2016-06-28 13:41 UTC|newest]
Thread overview: 130+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-23 3:16 [PATCH v2 00/17] Xen ARM DomU ACPI support Shannon Zhao
2016-06-23 3:16 ` [PATCH v2 01/17] libxl/arm: Factor out codes for generating DTB Shannon Zhao
2016-06-23 3:16 ` [PATCH v2 02/17] libxc: Add placeholders for ACPI tables blob and size Shannon Zhao
2016-06-23 3:16 ` [PATCH v2 03/17] libxl/arm: Add a configuration option for ARM DomU ACPI Shannon Zhao
2016-06-23 13:39 ` Stefano Stabellini
2016-06-23 14:34 ` Shannon Zhao
2016-06-27 10:40 ` Julien Grall
2016-07-07 15:30 ` Wei Liu
2016-07-12 3:40 ` Shannon Zhao
2016-07-12 9:22 ` Julien Grall
2016-07-12 11:33 ` Wei Liu
2016-07-12 14:17 ` Shannon Zhao
2016-07-12 14:33 ` Wei Liu
2016-07-12 14:45 ` Shannon Zhao
2016-07-13 7:54 ` Shannon Zhao
2016-07-13 9:20 ` Julien Grall
2016-07-13 9:48 ` Shannon Zhao
2016-07-13 10:03 ` Julien Grall
2016-07-15 8:00 ` Shannon Zhao
2016-07-15 8:07 ` Shannon Zhao
2016-07-18 19:40 ` Stefano Stabellini
2016-07-19 10:40 ` Wei Liu
2016-07-19 10:44 ` Ian Jackson
2016-06-23 15:53 ` Julien Grall
2016-06-23 3:16 ` [PATCH v2 04/17] libxl/arm: prepare for constructing ACPI tables Shannon Zhao
2016-06-23 13:37 ` Stefano Stabellini
2016-06-23 14:23 ` Shannon Zhao
2016-06-23 14:27 ` Stefano Stabellini
2016-06-23 16:18 ` Julien Grall
2016-06-23 3:16 ` [PATCH v2 05/17] libxl/arm: Construct ACPI RSDP table Shannon Zhao
2016-06-23 3:16 ` [PATCH v2 06/17] libxl/arm: Construct ACPI XSDT table Shannon Zhao
2016-06-23 3:16 ` [PATCH v2 07/17] libxl/arm: Construct ACPI GTDT table Shannon Zhao
2016-06-23 15:00 ` Stefano Stabellini
2016-06-23 16:19 ` Julien Grall
2016-06-23 16:26 ` Julien Grall
2016-06-23 16:58 ` Julien Grall
2016-06-27 1:44 ` Shannon Zhao
2016-06-27 10:17 ` Julien Grall
2016-06-29 9:29 ` Shannon Zhao
2016-06-29 9:42 ` Julien Grall
2016-06-29 13:41 ` Shannon Zhao
2016-07-05 16:42 ` Stefano Stabellini
2016-07-06 9:50 ` Julien Grall
2016-07-06 10:16 ` Stefano Stabellini
2016-06-23 3:16 ` [PATCH v2 08/17] libxl/arm: Factor MPIDR computing codes out as a helper Shannon Zhao
2016-06-23 16:29 ` Julien Grall
2016-06-23 3:16 ` [PATCH v2 09/17] libxl/arm: Construct ACPI MADT table Shannon Zhao
2016-06-23 16:36 ` Julien Grall
2016-06-23 3:16 ` [PATCH v2 10/17] libxl/arm: Construct ACPI FADT table Shannon Zhao
2016-06-23 3:16 ` [PATCH v2 11/17] libxl/arm: Construct ACPI DSDT table Shannon Zhao
2016-06-23 14:50 ` Stefano Stabellini
2016-06-23 16:42 ` Julien Grall
2016-06-27 1:50 ` Shannon Zhao
2016-06-23 17:03 ` Julien Grall
2016-06-27 6:01 ` Shannon Zhao
2016-06-27 10:29 ` Julien Grall
2016-06-27 12:05 ` Boris Ostrovsky
2016-06-28 11:03 ` Shannon Zhao
2016-06-28 13:41 ` Boris Ostrovsky [this message]
2016-06-29 18:58 ` Boris Ostrovsky
2016-07-01 7:58 ` Shannon Zhao
2016-07-01 10:18 ` Julien Grall
2016-07-01 14:42 ` Boris Ostrovsky
2016-07-01 15:14 ` Julien Grall
2016-06-23 3:16 ` [PATCH v2 12/17] libxl/arm: Add a helper to calculate the ACPI table checksum Shannon Zhao
2016-06-23 17:05 ` Julien Grall
2016-06-23 3:17 ` [PATCH v2 13/17] libxl/arm: Link all ACPI tables into one buffer Shannon Zhao
2016-06-23 17:10 ` Julien Grall
2016-06-23 3:17 ` [PATCH v2 14/17] libxl/arm: Factor finalise_one_memory_node as a gerneric function Shannon Zhao
2016-06-23 3:17 ` [PATCH v2 15/17] libxl/arm: Add ACPI module Shannon Zhao
2016-06-23 18:35 ` Julien Grall
2016-06-25 3:22 ` Shannon Zhao
2016-06-27 9:48 ` Julien Grall
2016-06-23 3:17 ` [PATCH v2 16/17] libxc/xc_dom_arm: Copy ACPI tables to guest space Shannon Zhao
2016-06-23 18:46 ` Julien Grall
2016-06-27 6:25 ` Shannon Zhao
2016-06-27 10:49 ` Julien Grall
2016-06-27 12:11 ` Boris Ostrovsky
2016-07-05 17:13 ` Stefano Stabellini
2016-07-06 9:46 ` Julien Grall
2016-07-06 10:12 ` Stefano Stabellini
2016-07-12 3:47 ` Shannon Zhao
2016-07-12 9:25 ` Julien Grall
2016-07-12 11:35 ` Wei Liu
2016-07-12 14:42 ` Shannon Zhao
2016-07-12 14:50 ` Wei Liu
2016-07-12 14:57 ` Shannon Zhao
2016-07-12 15:08 ` Boris Ostrovsky
2016-07-12 15:13 ` Wei Liu
2016-07-12 15:21 ` Boris Ostrovsky
2016-07-12 16:05 ` Wei Liu
2016-07-12 16:10 ` Julien Grall
2016-07-12 16:58 ` Boris Ostrovsky
2016-07-13 15:22 ` Julien Grall
2016-07-13 17:08 ` Boris Ostrovsky
2016-07-14 11:15 ` Wei Liu
2016-07-15 9:39 ` Shannon Zhao
2016-07-19 10:38 ` Wei Liu
2016-07-20 6:52 ` Shannon Zhao
2016-07-20 9:32 ` Wei Liu
2016-07-25 7:56 ` Shannon Zhao
2016-07-28 11:10 ` Julien Grall
2016-07-14 11:29 ` Julien Grall
2016-07-14 13:37 ` Stefano Stabellini
2016-07-20 12:33 ` Julien Grall
2016-07-20 13:33 ` Boris Ostrovsky
2016-07-20 13:41 ` Julien Grall
2016-07-20 14:09 ` Boris Ostrovsky
2016-07-20 17:28 ` Stefano Stabellini
2016-07-20 19:51 ` Boris Ostrovsky
2016-07-21 17:53 ` Stefano Stabellini
2016-07-21 18:23 ` Julien Grall
2016-07-21 18:54 ` Stefano Stabellini
2016-07-21 19:14 ` Julien Grall
2016-07-21 21:15 ` Stefano Stabellini
2016-07-25 8:38 ` George Dunlap
2016-07-25 9:46 ` Julien Grall
2016-07-25 22:06 ` Stefano Stabellini
2016-07-25 22:46 ` Boris Ostrovsky
2016-07-25 23:40 ` Stefano Stabellini
2016-07-26 1:17 ` Boris Ostrovsky
2016-07-28 11:06 ` Julien Grall
2016-07-28 12:42 ` Shannon Zhao
2016-08-02 11:01 ` Wei Liu
2016-08-03 19:20 ` Julien Grall
2016-08-04 10:17 ` Wei Liu
2016-08-02 11:01 ` Wei Liu
2016-07-07 15:35 ` Wei Liu
2016-06-23 3:17 ` [PATCH v2 17/17] libxl/arm: Initialize domain param HVM_PARAM_CALLBACK_IRQ Shannon Zhao
2016-06-23 18:48 ` Julien Grall
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